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1,200
mweagle/Sparta
aws/step/step.go
WithRetriers
func (ps *ParallelState) WithRetriers(retries ...*TaskRetry) *ParallelState { if ps.Retriers == nil { ps.Retriers = make([]*TaskRetry, 0) } ps.Retriers = append(ps.Retriers, retries...) return ps }
go
func (ps *ParallelState) WithRetriers(retries ...*TaskRetry) *ParallelState { if ps.Retriers == nil { ps.Retriers = make([]*TaskRetry, 0) } ps.Retriers = append(ps.Retriers, retries...) return ps }
[ "func", "(", "ps", "*", "ParallelState", ")", "WithRetriers", "(", "retries", "...", "*", "TaskRetry", ")", "*", "ParallelState", "{", "if", "ps", ".", "Retriers", "==", "nil", "{", "ps", ".", "Retriers", "=", "make", "(", "[", "]", "*", "TaskRetry", ",", "0", ")", "\n", "}", "\n", "ps", ".", "Retriers", "=", "append", "(", "ps", ".", "Retriers", ",", "retries", "...", ")", "\n", "return", "ps", "\n", "}" ]
// WithRetriers is the fluent builder for TaskState
[ "WithRetriers", "is", "the", "fluent", "builder", "for", "TaskState" ]
a646ce10a6728e988448dc3f6f79cd3322854c61
https://github.com/mweagle/Sparta/blob/a646ce10a6728e988448dc3f6f79cd3322854c61/aws/step/step.go#L1360-L1366
1,201
mweagle/Sparta
aws/step/step.go
WithCatchers
func (ps *ParallelState) WithCatchers(catch ...*TaskCatch) *ParallelState { if ps.Catchers == nil { ps.Catchers = make([]*TaskCatch, 0) } ps.Catchers = append(ps.Catchers, catch...) return ps }
go
func (ps *ParallelState) WithCatchers(catch ...*TaskCatch) *ParallelState { if ps.Catchers == nil { ps.Catchers = make([]*TaskCatch, 0) } ps.Catchers = append(ps.Catchers, catch...) return ps }
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// WithCatchers is the fluent builder for TaskState
[ "WithCatchers", "is", "the", "fluent", "builder", "for", "TaskState" ]
a646ce10a6728e988448dc3f6f79cd3322854c61
https://github.com/mweagle/Sparta/blob/a646ce10a6728e988448dc3f6f79cd3322854c61/aws/step/step.go#L1369-L1375
1,202
mweagle/Sparta
aws/step/step.go
NewParallelState
func NewParallelState(parallelStateName string, states StateMachine) *ParallelState { return &ParallelState{ baseInnerState: baseInnerState{ name: parallelStateName, id: rand.Int63(), }, States: states, } }
go
func NewParallelState(parallelStateName string, states StateMachine) *ParallelState { return &ParallelState{ baseInnerState: baseInnerState{ name: parallelStateName, id: rand.Int63(), }, States: states, } }
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// NewParallelState returns a "ParallelState" with the supplied // information
[ "NewParallelState", "returns", "a", "ParallelState", "with", "the", "supplied", "information" ]
a646ce10a6728e988448dc3f6f79cd3322854c61
https://github.com/mweagle/Sparta/blob/a646ce10a6728e988448dc3f6f79cd3322854c61/aws/step/step.go#L1436-L1444
1,203
mweagle/Sparta
aws/step/step.go
Comment
func (sm *StateMachine) Comment(comment string) *StateMachine { sm.comment = comment return sm }
go
func (sm *StateMachine) Comment(comment string) *StateMachine { sm.comment = comment return sm }
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//Comment sets the StateMachine comment
[ "Comment", "sets", "the", "StateMachine", "comment" ]
a646ce10a6728e988448dc3f6f79cd3322854c61
https://github.com/mweagle/Sparta/blob/a646ce10a6728e988448dc3f6f79cd3322854c61/aws/step/step.go#L1461-L1464
1,204
mweagle/Sparta
aws/step/step.go
WithRoleArn
func (sm *StateMachine) WithRoleArn(roleArn gocf.Stringable) *StateMachine { sm.roleArn = roleArn return sm }
go
func (sm *StateMachine) WithRoleArn(roleArn gocf.Stringable) *StateMachine { sm.roleArn = roleArn return sm }
[ "func", "(", "sm", "*", "StateMachine", ")", "WithRoleArn", "(", "roleArn", "gocf", ".", "Stringable", ")", "*", "StateMachine", "{", "sm", ".", "roleArn", "=", "roleArn", "\n", "return", "sm", "\n", "}" ]
//WithRoleArn sets the state machine roleArn
[ "WithRoleArn", "sets", "the", "state", "machine", "roleArn" ]
a646ce10a6728e988448dc3f6f79cd3322854c61
https://github.com/mweagle/Sparta/blob/a646ce10a6728e988448dc3f6f79cd3322854c61/aws/step/step.go#L1467-L1470
1,205
mweagle/Sparta
aws/step/step.go
validate
func (sm *StateMachine) validate() []error { validationErrors := make([]error, 0) if sm.stateDefinitionError != nil { validationErrors = append(validationErrors, sm.stateDefinitionError) } // TODO - add Catcher validator /* Each Catcher MUST contain a field named “ErrorEquals”, specified exactly as with the Retrier “ErrorEquals” field, and a field named “Next” whose value MUST be a string exactly matching a State Name. When a state reports an error and either there is no Retry field, or retries have failed to resolve the error, the interpreter scans through the Catchers in array order, and when the Error Name appears in the value of a Catcher’s “ErrorEquals” field, transitions the machine to the state named in the value of the “Next” field. The reserved name “States.ALL” appearing in a Retrier’s “ErrorEquals” field is a wild-card and matches any Error Name. Such a value MUST appear alone in the “ErrorEquals” array and MUST appear in the last Catcher in the “Catch” array. */ return validationErrors }
go
func (sm *StateMachine) validate() []error { validationErrors := make([]error, 0) if sm.stateDefinitionError != nil { validationErrors = append(validationErrors, sm.stateDefinitionError) } // TODO - add Catcher validator /* Each Catcher MUST contain a field named “ErrorEquals”, specified exactly as with the Retrier “ErrorEquals” field, and a field named “Next” whose value MUST be a string exactly matching a State Name. When a state reports an error and either there is no Retry field, or retries have failed to resolve the error, the interpreter scans through the Catchers in array order, and when the Error Name appears in the value of a Catcher’s “ErrorEquals” field, transitions the machine to the state named in the value of the “Next” field. The reserved name “States.ALL” appearing in a Retrier’s “ErrorEquals” field is a wild-card and matches any Error Name. Such a value MUST appear alone in the “ErrorEquals” array and MUST appear in the last Catcher in the “Catch” array. */ return validationErrors }
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// validate performs any validation against the state machine // prior to marshaling
[ "validate", "performs", "any", "validation", "against", "the", "state", "machine", "prior", "to", "marshaling" ]
a646ce10a6728e988448dc3f6f79cd3322854c61
https://github.com/mweagle/Sparta/blob/a646ce10a6728e988448dc3f6f79cd3322854c61/aws/step/step.go#L1474-L1489
1,206
mweagle/Sparta
aws/step/step.go
StateMachineDecorator
func (sm *StateMachine) StateMachineDecorator() sparta.ServiceDecoratorHookFunc { cfName := sparta.CloudFormationResourceName("StateMachine", "StateMachine") return sm.StateMachineNamedDecorator(cfName) }
go
func (sm *StateMachine) StateMachineDecorator() sparta.ServiceDecoratorHookFunc { cfName := sparta.CloudFormationResourceName("StateMachine", "StateMachine") return sm.StateMachineNamedDecorator(cfName) }
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// StateMachineDecorator is a decorator that returns a default // CloudFormationResource named decorator
[ "StateMachineDecorator", "is", "a", "decorator", "that", "returns", "a", "default", "CloudFormationResource", "named", "decorator" ]
a646ce10a6728e988448dc3f6f79cd3322854c61
https://github.com/mweagle/Sparta/blob/a646ce10a6728e988448dc3f6f79cd3322854c61/aws/step/step.go#L1493-L1496
1,207
mweagle/Sparta
aws/step/step.go
NewStateMachine
func NewStateMachine(stateMachineName string, startState TransitionState) *StateMachine { uniqueStates := make(map[string]MachineState) pendingStates := []MachineState{startState} duplicateStateNames := make(map[string]bool) nodeVisited := func(node MachineState) bool { if node == nil { return true } _, visited := uniqueStates[node.Name()] return visited } for len(pendingStates) != 0 { headState, tailStates := pendingStates[0], pendingStates[1:] uniqueStates[headState.Name()] = headState switch stateNode := headState.(type) { case *ChoiceState: for _, eachChoice := range stateNode.Choices { if !nodeVisited(eachChoice.nextState()) { tailStates = append(tailStates, eachChoice.nextState()) } } if !nodeVisited(stateNode.Default) { tailStates = append(tailStates, stateNode.Default) } case TransitionState: for _, eachAdjacentState := range stateNode.AdjacentStates() { if !nodeVisited(eachAdjacentState) { tailStates = append(tailStates, eachAdjacentState) } } // Are there any Catchers in here? } pendingStates = tailStates } // Walk all the states and assemble them into the states slice sm := &StateMachine{ name: stateMachineName, startAt: startState, uniqueStates: uniqueStates, } // Store duplicate state names if len(duplicateStateNames) != 0 { sm.stateDefinitionError = fmt.Errorf("duplicate state names: %#v", duplicateStateNames) } return sm }
go
func NewStateMachine(stateMachineName string, startState TransitionState) *StateMachine { uniqueStates := make(map[string]MachineState) pendingStates := []MachineState{startState} duplicateStateNames := make(map[string]bool) nodeVisited := func(node MachineState) bool { if node == nil { return true } _, visited := uniqueStates[node.Name()] return visited } for len(pendingStates) != 0 { headState, tailStates := pendingStates[0], pendingStates[1:] uniqueStates[headState.Name()] = headState switch stateNode := headState.(type) { case *ChoiceState: for _, eachChoice := range stateNode.Choices { if !nodeVisited(eachChoice.nextState()) { tailStates = append(tailStates, eachChoice.nextState()) } } if !nodeVisited(stateNode.Default) { tailStates = append(tailStates, stateNode.Default) } case TransitionState: for _, eachAdjacentState := range stateNode.AdjacentStates() { if !nodeVisited(eachAdjacentState) { tailStates = append(tailStates, eachAdjacentState) } } // Are there any Catchers in here? } pendingStates = tailStates } // Walk all the states and assemble them into the states slice sm := &StateMachine{ name: stateMachineName, startAt: startState, uniqueStates: uniqueStates, } // Store duplicate state names if len(duplicateStateNames) != 0 { sm.stateDefinitionError = fmt.Errorf("duplicate state names: %#v", duplicateStateNames) } return sm }
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// NewStateMachine returns a new StateMachine instance
[ "NewStateMachine", "returns", "a", "new", "StateMachine", "instance" ]
a646ce10a6728e988448dc3f6f79cd3322854c61
https://github.com/mweagle/Sparta/blob/a646ce10a6728e988448dc3f6f79cd3322854c61/aws/step/step.go#L1629-L1680
1,208
mweagle/Sparta
magefile/actions.go
Log
func Log(formatSpecifier string, args ...interface{}) { if mg.Verbose() { if len(args) != 0 { log.Printf(formatSpecifier, args...) } else { log.Print(formatSpecifier) } } }
go
func Log(formatSpecifier string, args ...interface{}) { if mg.Verbose() { if len(args) != 0 { log.Printf(formatSpecifier, args...) } else { log.Print(formatSpecifier) } } }
[ "func", "Log", "(", "formatSpecifier", "string", ",", "args", "...", "interface", "{", "}", ")", "{", "if", "mg", ".", "Verbose", "(", ")", "{", "if", "len", "(", "args", ")", "!=", "0", "{", "log", ".", "Printf", "(", "formatSpecifier", ",", "args", "...", ")", "\n", "}", "else", "{", "log", ".", "Print", "(", "formatSpecifier", ")", "\n", "}", "\n", "}", "\n", "}" ]
// Log is a mage verbose aware log function
[ "Log", "is", "a", "mage", "verbose", "aware", "log", "function" ]
a646ce10a6728e988448dc3f6f79cd3322854c61
https://github.com/mweagle/Sparta/blob/a646ce10a6728e988448dc3f6f79cd3322854c61/magefile/actions.go#L14-L22
1,209
mweagle/Sparta
magefile/actions.go
Script
func Script(commands [][]string) error { for _, eachCommand := range commands { var commandErr error if len(eachCommand) <= 1 { commandErr = sh.Run(eachCommand[0]) } else { commandErr = sh.Run(eachCommand[0], eachCommand[1:]...) } if commandErr != nil { return commandErr } } return nil }
go
func Script(commands [][]string) error { for _, eachCommand := range commands { var commandErr error if len(eachCommand) <= 1 { commandErr = sh.Run(eachCommand[0]) } else { commandErr = sh.Run(eachCommand[0], eachCommand[1:]...) } if commandErr != nil { return commandErr } } return nil }
[ "func", "Script", "(", "commands", "[", "]", "[", "]", "string", ")", "error", "{", "for", "_", ",", "eachCommand", ":=", "range", "commands", "{", "var", "commandErr", "error", "\n", "if", "len", "(", "eachCommand", ")", "<=", "1", "{", "commandErr", "=", "sh", ".", "Run", "(", "eachCommand", "[", "0", "]", ")", "\n", "}", "else", "{", "commandErr", "=", "sh", ".", "Run", "(", "eachCommand", "[", "0", "]", ",", "eachCommand", "[", "1", ":", "]", "...", ")", "\n", "}", "\n", "if", "commandErr", "!=", "nil", "{", "return", "commandErr", "\n", "}", "\n", "}", "\n", "return", "nil", "\n", "}" ]
// Script is a 2d array of commands to run as a script
[ "Script", "is", "a", "2d", "array", "of", "commands", "to", "run", "as", "a", "script" ]
a646ce10a6728e988448dc3f6f79cd3322854c61
https://github.com/mweagle/Sparta/blob/a646ce10a6728e988448dc3f6f79cd3322854c61/magefile/actions.go#L25-L38
1,210
mweagle/Sparta
magefile/actions.go
ApplyToSource
func ApplyToSource(fileExtension string, ignoredSubdirectories []string, commandParts ...string) error { if len(commandParts) <= 0 { return errors.New("applyToSource requires a command to apply to source files") } eligibleSourceFiles, eligibleSourceFilesErr := sourceFilesOfType(fileExtension, ignoredSubdirectories) if eligibleSourceFilesErr != nil { return eligibleSourceFilesErr } Log(header) Log("Applying `%s` to %d `*.%s` source files", commandParts[0], len(eligibleSourceFiles), fileExtension) Log(header) commandArgs := []string{} if len(commandParts) > 1 { commandArgs = append(commandArgs, commandParts[1:]...) } for _, eachFile := range eligibleSourceFiles { applyArgs := append(commandArgs, eachFile) applyErr := sh.Run(commandParts[0], applyArgs...) if applyErr != nil { return applyErr } } return nil }
go
func ApplyToSource(fileExtension string, ignoredSubdirectories []string, commandParts ...string) error { if len(commandParts) <= 0 { return errors.New("applyToSource requires a command to apply to source files") } eligibleSourceFiles, eligibleSourceFilesErr := sourceFilesOfType(fileExtension, ignoredSubdirectories) if eligibleSourceFilesErr != nil { return eligibleSourceFilesErr } Log(header) Log("Applying `%s` to %d `*.%s` source files", commandParts[0], len(eligibleSourceFiles), fileExtension) Log(header) commandArgs := []string{} if len(commandParts) > 1 { commandArgs = append(commandArgs, commandParts[1:]...) } for _, eachFile := range eligibleSourceFiles { applyArgs := append(commandArgs, eachFile) applyErr := sh.Run(commandParts[0], applyArgs...) if applyErr != nil { return applyErr } } return nil }
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// ApplyToSource is a mage compatible function that applies a // command to your source tree
[ "ApplyToSource", "is", "a", "mage", "compatible", "function", "that", "applies", "a", "command", "to", "your", "source", "tree" ]
a646ce10a6728e988448dc3f6f79cd3322854c61
https://github.com/mweagle/Sparta/blob/a646ce10a6728e988448dc3f6f79cd3322854c61/magefile/actions.go#L42-L69
1,211
mweagle/Sparta
magefile/actions.go
SpartaCommand
func SpartaCommand(commandParts ...string) error { noopValue := "" parsedBool, parsedBoolErr := strconv.ParseBool(os.Getenv("NOOP")) if parsedBoolErr == nil && parsedBool { noopValue = "--noop" } curDir, curDirErr := os.Getwd() if curDirErr != nil { return errors.New("Failed to get current directory. Error: " + curDirErr.Error()) } setenvErr := os.Setenv(mg.VerboseEnv, "1") if setenvErr != nil { return setenvErr } commandArgs := []string{ "run", curDir, } commandArgs = append(commandArgs, commandParts...) if noopValue != "" { commandArgs = append(commandArgs, "--noop") } return sh.Run("go", commandArgs...) }
go
func SpartaCommand(commandParts ...string) error { noopValue := "" parsedBool, parsedBoolErr := strconv.ParseBool(os.Getenv("NOOP")) if parsedBoolErr == nil && parsedBool { noopValue = "--noop" } curDir, curDirErr := os.Getwd() if curDirErr != nil { return errors.New("Failed to get current directory. Error: " + curDirErr.Error()) } setenvErr := os.Setenv(mg.VerboseEnv, "1") if setenvErr != nil { return setenvErr } commandArgs := []string{ "run", curDir, } commandArgs = append(commandArgs, commandParts...) if noopValue != "" { commandArgs = append(commandArgs, "--noop") } return sh.Run("go", commandArgs...) }
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// SpartaCommand issues a go run command that encapsulates resolving // global env vars that can be translated into Sparta command line options
[ "SpartaCommand", "issues", "a", "go", "run", "command", "that", "encapsulates", "resolving", "global", "env", "vars", "that", "can", "be", "translated", "into", "Sparta", "command", "line", "options" ]
a646ce10a6728e988448dc3f6f79cd3322854c61
https://github.com/mweagle/Sparta/blob/a646ce10a6728e988448dc3f6f79cd3322854c61/magefile/actions.go#L73-L97
1,212
mweagle/Sparta
magefile/actions.go
Provision
func Provision() error { // Get the bucketName bucketName := os.Getenv("S3_BUCKET") if bucketName == "" { return errors.New("Provision requires env.S3_BUCKET to be defined") } return SpartaCommand("provision", "--s3Bucket", bucketName) }
go
func Provision() error { // Get the bucketName bucketName := os.Getenv("S3_BUCKET") if bucketName == "" { return errors.New("Provision requires env.S3_BUCKET to be defined") } return SpartaCommand("provision", "--s3Bucket", bucketName) }
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// Provision deploys the given service
[ "Provision", "deploys", "the", "given", "service" ]
a646ce10a6728e988448dc3f6f79cd3322854c61
https://github.com/mweagle/Sparta/blob/a646ce10a6728e988448dc3f6f79cd3322854c61/magefile/actions.go#L100-L107
1,213
mweagle/Sparta
magefile/actions.go
Describe
func Describe() error { // Get the bucketName bucketName := os.Getenv("S3_BUCKET") if bucketName == "" { return errors.New("Describe requires env.S3_BUCKET to be defined") } return SpartaCommand("describe", "--s3Bucket", bucketName, "--out", "graph.html") }
go
func Describe() error { // Get the bucketName bucketName := os.Getenv("S3_BUCKET") if bucketName == "" { return errors.New("Describe requires env.S3_BUCKET to be defined") } return SpartaCommand("describe", "--s3Bucket", bucketName, "--out", "graph.html") }
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// Describe deploys the given service
[ "Describe", "deploys", "the", "given", "service" ]
a646ce10a6728e988448dc3f6f79cd3322854c61
https://github.com/mweagle/Sparta/blob/a646ce10a6728e988448dc3f6f79cd3322854c61/magefile/actions.go#L110-L117
1,214
mweagle/Sparta
util.go
describeInfoValue
func describeInfoValue(dynamicValue interface{}) string { switch typedArn := dynamicValue.(type) { case string: return typedArn case gocf.Stringable: data, dataErr := json.Marshal(typedArn) if dataErr != nil { data = []byte(fmt.Sprintf("%v", typedArn)) } return string(data) default: panic(fmt.Sprintf("Unsupported dynamic value type for `describe`: %+v", typedArn)) } }
go
func describeInfoValue(dynamicValue interface{}) string { switch typedArn := dynamicValue.(type) { case string: return typedArn case gocf.Stringable: data, dataErr := json.Marshal(typedArn) if dataErr != nil { data = []byte(fmt.Sprintf("%v", typedArn)) } return string(data) default: panic(fmt.Sprintf("Unsupported dynamic value type for `describe`: %+v", typedArn)) } }
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// describeInfoValue is a utility function that accepts // some type of dynamic gocf value and transforms it into // something that is `describe` output compatible
[ "describeInfoValue", "is", "a", "utility", "function", "that", "accepts", "some", "type", "of", "dynamic", "gocf", "value", "and", "transforms", "it", "into", "something", "that", "is", "describe", "output", "compatible" ]
a646ce10a6728e988448dc3f6f79cd3322854c61
https://github.com/mweagle/Sparta/blob/a646ce10a6728e988448dc3f6f79cd3322854c61/util.go#L38-L51
1,215
mweagle/Sparta
util.go
relativePath
func relativePath(logPath string) string { cwd, cwdErr := os.Getwd() if cwdErr == nil { relPath := strings.TrimPrefix(logPath, cwd) if relPath != logPath { logPath = fmt.Sprintf(".%s", relPath) } } return logPath }
go
func relativePath(logPath string) string { cwd, cwdErr := os.Getwd() if cwdErr == nil { relPath := strings.TrimPrefix(logPath, cwd) if relPath != logPath { logPath = fmt.Sprintf(".%s", relPath) } } return logPath }
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// relativePath returns the relative path of logPath if it's relative to the current // workint directory
[ "relativePath", "returns", "the", "relative", "path", "of", "logPath", "if", "it", "s", "relative", "to", "the", "current", "workint", "directory" ]
a646ce10a6728e988448dc3f6f79cd3322854c61
https://github.com/mweagle/Sparta/blob/a646ce10a6728e988448dc3f6f79cd3322854c61/util.go#L55-L64
1,216
mweagle/Sparta
util.go
Run
func (t *workTask) Run(wg *sync.WaitGroup) { t.Result = t.task() wg.Done() }
go
func (t *workTask) Run(wg *sync.WaitGroup) { t.Result = t.task() wg.Done() }
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// Run runs a Task and does appropriate accounting via a given sync.WorkGroup.
[ "Run", "runs", "a", "Task", "and", "does", "appropriate", "accounting", "via", "a", "given", "sync", ".", "WorkGroup", "." ]
a646ce10a6728e988448dc3f6f79cd3322854c61
https://github.com/mweagle/Sparta/blob/a646ce10a6728e988448dc3f6f79cd3322854c61/util.go#L144-L147
1,217
mweagle/Sparta
util.go
newWorkerPool
func newWorkerPool(tasks []*workTask, concurrency int) *workerPool { return &workerPool{ Tasks: tasks, concurrency: concurrency, tasksChan: make(chan *workTask), } }
go
func newWorkerPool(tasks []*workTask, concurrency int) *workerPool { return &workerPool{ Tasks: tasks, concurrency: concurrency, tasksChan: make(chan *workTask), } }
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// newWorkerPool initializes a new pool with the given tasks and at the given // concurrency.
[ "newWorkerPool", "initializes", "a", "new", "pool", "with", "the", "given", "tasks", "and", "at", "the", "given", "concurrency", "." ]
a646ce10a6728e988448dc3f6f79cd3322854c61
https://github.com/mweagle/Sparta/blob/a646ce10a6728e988448dc3f6f79cd3322854c61/util.go#L166-L172
1,218
mweagle/Sparta
util.go
workResults
func (p *workerPool) workResults() ([]interface{}, []error) { result := []interface{}{} errors := []error{} for _, eachResult := range p.Tasks { if eachResult.Result.Error() != nil { errors = append(errors, eachResult.Result.Error()) } else { result = append(result, eachResult.Result.Result()) } } return result, errors }
go
func (p *workerPool) workResults() ([]interface{}, []error) { result := []interface{}{} errors := []error{} for _, eachResult := range p.Tasks { if eachResult.Result.Error() != nil { errors = append(errors, eachResult.Result.Error()) } else { result = append(result, eachResult.Result.Result()) } } return result, errors }
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// HasErrors indicates whether there were any errors from tasks run. Its result // is only meaningful after Run has been called.
[ "HasErrors", "indicates", "whether", "there", "were", "any", "errors", "from", "tasks", "run", ".", "Its", "result", "is", "only", "meaningful", "after", "Run", "has", "been", "called", "." ]
a646ce10a6728e988448dc3f6f79cd3322854c61
https://github.com/mweagle/Sparta/blob/a646ce10a6728e988448dc3f6f79cd3322854c61/util.go#L176-L188
1,219
mweagle/Sparta
util.go
Run
func (p *workerPool) Run() ([]interface{}, []error) { for i := 0; i < p.concurrency; i++ { go p.work() } p.wg.Add(len(p.Tasks)) for _, task := range p.Tasks { p.tasksChan <- task } // all workers return close(p.tasksChan) p.wg.Wait() return p.workResults() }
go
func (p *workerPool) Run() ([]interface{}, []error) { for i := 0; i < p.concurrency; i++ { go p.work() } p.wg.Add(len(p.Tasks)) for _, task := range p.Tasks { p.tasksChan <- task } // all workers return close(p.tasksChan) p.wg.Wait() return p.workResults() }
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// Run runs all work within the pool and blocks until it's finished.
[ "Run", "runs", "all", "work", "within", "the", "pool", "and", "blocks", "until", "it", "s", "finished", "." ]
a646ce10a6728e988448dc3f6f79cd3322854c61
https://github.com/mweagle/Sparta/blob/a646ce10a6728e988448dc3f6f79cd3322854c61/util.go#L191-L206
1,220
mweagle/Sparta
util.go
work
func (p *workerPool) work() { for task := range p.tasksChan { task.Run(&p.wg) } }
go
func (p *workerPool) work() { for task := range p.tasksChan { task.Run(&p.wg) } }
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// The work loop for any single goroutine.
[ "The", "work", "loop", "for", "any", "single", "goroutine", "." ]
a646ce10a6728e988448dc3f6f79cd3322854c61
https://github.com/mweagle/Sparta/blob/a646ce10a6728e988448dc3f6f79cd3322854c61/util.go#L209-L213
1,221
mweagle/Sparta
archetype/cloudwatch.go
OnCloudWatchMessage
func (reactorFunc CloudWatchReactorFunc) OnCloudWatchMessage(ctx context.Context, cwLogs awsLambdaEvents.CloudwatchLogsEvent) (interface{}, error) { return reactorFunc(ctx, cwLogs) }
go
func (reactorFunc CloudWatchReactorFunc) OnCloudWatchMessage(ctx context.Context, cwLogs awsLambdaEvents.CloudwatchLogsEvent) (interface{}, error) { return reactorFunc(ctx, cwLogs) }
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// OnCloudWatchMessage satisfies the CloudWatchReactor interface
[ "OnCloudWatchMessage", "satisfies", "the", "CloudWatchReactor", "interface" ]
a646ce10a6728e988448dc3f6f79cd3322854c61
https://github.com/mweagle/Sparta/blob/a646ce10a6728e988448dc3f6f79cd3322854c61/archetype/cloudwatch.go#L28-L31
1,222
mweagle/Sparta
archetype/cloudwatch.go
NewCloudWatchReactor
func NewCloudWatchReactor(reactor CloudWatchReactor, subscriptions map[string]sparta.CloudWatchEventsRule, additionalLambdaPermissions []sparta.IAMRolePrivilege) (*sparta.LambdaAWSInfo, error) { if len(subscriptions) <= 0 { return nil, errors.Errorf("CloudWatchLogs subscription map must not be empty") } reactorLambda := func(ctx context.Context, cwLogs awsLambdaEvents.CloudwatchLogsEvent) (interface{}, error) { return reactor.OnCloudWatchMessage(ctx, cwLogs) } lambdaFn, lambdaFnErr := sparta.NewAWSLambda(reactorName(reactor), reactorLambda, sparta.IAMRoleDefinition{}) if lambdaFnErr != nil { return nil, errors.Wrapf(lambdaFnErr, "attempting to create reactor") } cloudWatchEventsPermission := sparta.CloudWatchEventsPermission{} cloudWatchEventsPermission.Rules = make(map[string]sparta.CloudWatchEventsRule) for eachRuleName, eachRule := range subscriptions { cloudWatchEventsPermission.Rules[eachRuleName] = eachRule } lambdaFn.Permissions = append(lambdaFn.Permissions, cloudWatchEventsPermission) if len(additionalLambdaPermissions) != 0 { lambdaFn.RoleDefinition.Privileges = additionalLambdaPermissions } return lambdaFn, nil }
go
func NewCloudWatchReactor(reactor CloudWatchReactor, subscriptions map[string]sparta.CloudWatchEventsRule, additionalLambdaPermissions []sparta.IAMRolePrivilege) (*sparta.LambdaAWSInfo, error) { if len(subscriptions) <= 0 { return nil, errors.Errorf("CloudWatchLogs subscription map must not be empty") } reactorLambda := func(ctx context.Context, cwLogs awsLambdaEvents.CloudwatchLogsEvent) (interface{}, error) { return reactor.OnCloudWatchMessage(ctx, cwLogs) } lambdaFn, lambdaFnErr := sparta.NewAWSLambda(reactorName(reactor), reactorLambda, sparta.IAMRoleDefinition{}) if lambdaFnErr != nil { return nil, errors.Wrapf(lambdaFnErr, "attempting to create reactor") } cloudWatchEventsPermission := sparta.CloudWatchEventsPermission{} cloudWatchEventsPermission.Rules = make(map[string]sparta.CloudWatchEventsRule) for eachRuleName, eachRule := range subscriptions { cloudWatchEventsPermission.Rules[eachRuleName] = eachRule } lambdaFn.Permissions = append(lambdaFn.Permissions, cloudWatchEventsPermission) if len(additionalLambdaPermissions) != 0 { lambdaFn.RoleDefinition.Privileges = additionalLambdaPermissions } return lambdaFn, nil }
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// NewCloudWatchReactor returns a CloudWatch logs reactor lambda function
[ "NewCloudWatchReactor", "returns", "a", "CloudWatch", "logs", "reactor", "lambda", "function" ]
a646ce10a6728e988448dc3f6f79cd3322854c61
https://github.com/mweagle/Sparta/blob/a646ce10a6728e988448dc3f6f79cd3322854c61/archetype/cloudwatch.go#L81-L108
1,223
mweagle/Sparta
sparta.go
Register
func (lei *LambdaEventInterceptors) Register(provider LambdaInterceptorProvider) *LambdaEventInterceptors { namedInterceptor := func(interceptor Interceptor) *NamedInterceptor { return &NamedInterceptor{ Name: fmt.Sprintf("%T", provider), Interceptor: interceptor, } } if lei.Begin == nil { lei.Begin = make(InterceptorList, 0) } lei.Begin = append(lei.Begin, namedInterceptor(provider.Begin)) if lei.BeforeSetup == nil { lei.BeforeSetup = make(InterceptorList, 0) } lei.BeforeSetup = append(lei.BeforeSetup, namedInterceptor(provider.BeforeSetup)) if lei.AfterSetup == nil { lei.AfterSetup = make(InterceptorList, 0) } lei.AfterSetup = append(lei.AfterSetup, namedInterceptor(provider.AfterSetup)) if lei.BeforeDispatch == nil { lei.BeforeDispatch = make(InterceptorList, 0) } lei.BeforeDispatch = append(lei.BeforeDispatch, namedInterceptor(provider.BeforeDispatch)) if lei.AfterDispatch == nil { lei.AfterDispatch = make(InterceptorList, 0) } lei.AfterDispatch = append(lei.AfterDispatch, namedInterceptor(provider.AfterDispatch)) if lei.Complete == nil { lei.Complete = make(InterceptorList, 0) } lei.Complete = append(lei.Complete, namedInterceptor(provider.Complete)) return lei }
go
func (lei *LambdaEventInterceptors) Register(provider LambdaInterceptorProvider) *LambdaEventInterceptors { namedInterceptor := func(interceptor Interceptor) *NamedInterceptor { return &NamedInterceptor{ Name: fmt.Sprintf("%T", provider), Interceptor: interceptor, } } if lei.Begin == nil { lei.Begin = make(InterceptorList, 0) } lei.Begin = append(lei.Begin, namedInterceptor(provider.Begin)) if lei.BeforeSetup == nil { lei.BeforeSetup = make(InterceptorList, 0) } lei.BeforeSetup = append(lei.BeforeSetup, namedInterceptor(provider.BeforeSetup)) if lei.AfterSetup == nil { lei.AfterSetup = make(InterceptorList, 0) } lei.AfterSetup = append(lei.AfterSetup, namedInterceptor(provider.AfterSetup)) if lei.BeforeDispatch == nil { lei.BeforeDispatch = make(InterceptorList, 0) } lei.BeforeDispatch = append(lei.BeforeDispatch, namedInterceptor(provider.BeforeDispatch)) if lei.AfterDispatch == nil { lei.AfterDispatch = make(InterceptorList, 0) } lei.AfterDispatch = append(lei.AfterDispatch, namedInterceptor(provider.AfterDispatch)) if lei.Complete == nil { lei.Complete = make(InterceptorList, 0) } lei.Complete = append(lei.Complete, namedInterceptor(provider.Complete)) return lei }
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// Register is a convenience function to register a struct that // implements the LambdaInterceptorProvider interface
[ "Register", "is", "a", "convenience", "function", "to", "register", "a", "struct", "that", "implements", "the", "LambdaInterceptorProvider", "interface" ]
a646ce10a6728e988448dc3f6f79cd3322854c61
https://github.com/mweagle/Sparta/blob/a646ce10a6728e988448dc3f6f79cd3322854c61/sparta.go#L621-L658
1,224
mweagle/Sparta
sparta.go
lambdaFunctionName
func (info *LambdaAWSInfo) lambdaFunctionName() string { if info.cachedLambdaFunctionName != "" { return info.cachedLambdaFunctionName } var lambdaFuncName string if info.Options != nil && info.Options.SpartaOptions != nil && info.Options.SpartaOptions.Name != "" { lambdaFuncName = info.Options.SpartaOptions.Name } else if info.userSuppliedFunctionName != "" { lambdaFuncName = info.userSuppliedFunctionName } else { // Using the default name, let's at least remove the // first prefix, since that's the SCM provider and // doesn't provide a lot of value... if info.handlerSymbol != nil { lambdaPtr := runtime.FuncForPC(reflect.ValueOf(info.handlerSymbol).Pointer()) lambdaFuncName = lambdaPtr.Name() } // Split // cwd: /Users/mweagle/Documents/gopath/src/github.com/mweagle/SpartaHelloWorld // anonymous: github.com/mweagle/Sparta.(*StructHandler1).(github.com/mweagle/Sparta.handler)-fm // RE==> var reSplit = regexp.MustCompile("[\\(\\)\\.\\*]+") // RESULT ==> Hello,[github com/mweagle/Sparta StructHandler1 github com/mweagle/Sparta handler -fm] // Same package: main.helloWorld // Other package, free function: github.com/mweagle/SpartaPython.HelloWorld // Grab the name of the function... structDefined := strings.Contains(lambdaFuncName, "(") || strings.Contains(lambdaFuncName, ")") otherPackage := strings.Contains(lambdaFuncName, "/") canonicalName := lambdaFuncName if structDefined { var reSplit = regexp.MustCompile(`[*\(\)\[\]]+`) // Function name: // github.com/mweagle/Sparta.(*StructHandler1).handler-fm parts := reSplit.Split(lambdaFuncName, -1) lastPart := parts[len(parts)-1] penultimatePart := lastPart if len(parts) > 1 { penultimatePart = parts[len(parts)-2] } intermediateName := fmt.Sprintf("%s-%s", penultimatePart, lastPart) reClean := regexp.MustCompile(`[\*\(\)]+`) canonicalName = reClean.ReplaceAllString(intermediateName, "") } else if otherPackage { parts := strings.Split(lambdaFuncName, "/") canonicalName = parts[len(parts)-1] } // Final sanitization // Issue: https://github.com/mweagle/Sparta/issues/63 lambdaFuncName = sanitizedName(canonicalName) } // Cache it so we only do this once info.cachedLambdaFunctionName = lambdaFuncName return info.cachedLambdaFunctionName }
go
func (info *LambdaAWSInfo) lambdaFunctionName() string { if info.cachedLambdaFunctionName != "" { return info.cachedLambdaFunctionName } var lambdaFuncName string if info.Options != nil && info.Options.SpartaOptions != nil && info.Options.SpartaOptions.Name != "" { lambdaFuncName = info.Options.SpartaOptions.Name } else if info.userSuppliedFunctionName != "" { lambdaFuncName = info.userSuppliedFunctionName } else { // Using the default name, let's at least remove the // first prefix, since that's the SCM provider and // doesn't provide a lot of value... if info.handlerSymbol != nil { lambdaPtr := runtime.FuncForPC(reflect.ValueOf(info.handlerSymbol).Pointer()) lambdaFuncName = lambdaPtr.Name() } // Split // cwd: /Users/mweagle/Documents/gopath/src/github.com/mweagle/SpartaHelloWorld // anonymous: github.com/mweagle/Sparta.(*StructHandler1).(github.com/mweagle/Sparta.handler)-fm // RE==> var reSplit = regexp.MustCompile("[\\(\\)\\.\\*]+") // RESULT ==> Hello,[github com/mweagle/Sparta StructHandler1 github com/mweagle/Sparta handler -fm] // Same package: main.helloWorld // Other package, free function: github.com/mweagle/SpartaPython.HelloWorld // Grab the name of the function... structDefined := strings.Contains(lambdaFuncName, "(") || strings.Contains(lambdaFuncName, ")") otherPackage := strings.Contains(lambdaFuncName, "/") canonicalName := lambdaFuncName if structDefined { var reSplit = regexp.MustCompile(`[*\(\)\[\]]+`) // Function name: // github.com/mweagle/Sparta.(*StructHandler1).handler-fm parts := reSplit.Split(lambdaFuncName, -1) lastPart := parts[len(parts)-1] penultimatePart := lastPart if len(parts) > 1 { penultimatePart = parts[len(parts)-2] } intermediateName := fmt.Sprintf("%s-%s", penultimatePart, lastPart) reClean := regexp.MustCompile(`[\*\(\)]+`) canonicalName = reClean.ReplaceAllString(intermediateName, "") } else if otherPackage { parts := strings.Split(lambdaFuncName, "/") canonicalName = parts[len(parts)-1] } // Final sanitization // Issue: https://github.com/mweagle/Sparta/issues/63 lambdaFuncName = sanitizedName(canonicalName) } // Cache it so we only do this once info.cachedLambdaFunctionName = lambdaFuncName return info.cachedLambdaFunctionName }
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// lambdaFunctionName returns the internal // function name for lambda export binding
[ "lambdaFunctionName", "returns", "the", "internal", "function", "name", "for", "lambda", "export", "binding" ]
a646ce10a6728e988448dc3f6f79cd3322854c61
https://github.com/mweagle/Sparta/blob/a646ce10a6728e988448dc3f6f79cd3322854c61/sparta.go#L729-L787
1,225
mweagle/Sparta
sparta.go
LogicalResourceName
func (info *LambdaAWSInfo) LogicalResourceName() string { // Per http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/resources-section-structure.html, // we can only use alphanumeric, so we'll take the sanitized name and // remove all underscores // Prefer the user-supplied stable name to the internal one. baseName := info.lambdaFunctionName() resourceName := strings.Replace(sanitizedName(baseName), "_", "", -1) prefix := fmt.Sprintf("%sLambda", resourceName) return CloudFormationResourceName(prefix, info.lambdaFunctionName()) }
go
func (info *LambdaAWSInfo) LogicalResourceName() string { // Per http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/resources-section-structure.html, // we can only use alphanumeric, so we'll take the sanitized name and // remove all underscores // Prefer the user-supplied stable name to the internal one. baseName := info.lambdaFunctionName() resourceName := strings.Replace(sanitizedName(baseName), "_", "", -1) prefix := fmt.Sprintf("%sLambda", resourceName) return CloudFormationResourceName(prefix, info.lambdaFunctionName()) }
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// LogicalResourceName returns the stable, content-addressable logical // name for this LambdaAWSInfo value. This is the CloudFormation // resource name
[ "LogicalResourceName", "returns", "the", "stable", "content", "-", "addressable", "logical", "name", "for", "this", "LambdaAWSInfo", "value", ".", "This", "is", "the", "CloudFormation", "resource", "name" ]
a646ce10a6728e988448dc3f6f79cd3322854c61
https://github.com/mweagle/Sparta/blob/a646ce10a6728e988448dc3f6f79cd3322854c61/sparta.go#L837-L846
1,226
mweagle/Sparta
sparta.go
LambdaName
func LambdaName(handlerSymbol interface{}) string { funcPtr := runtime.FuncForPC(reflect.ValueOf(handlerSymbol).Pointer()) return funcPtr.Name() }
go
func LambdaName(handlerSymbol interface{}) string { funcPtr := runtime.FuncForPC(reflect.ValueOf(handlerSymbol).Pointer()) return funcPtr.Name() }
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// LambdaName returns the Go-reflection discovered name for a given // function
[ "LambdaName", "returns", "the", "Go", "-", "reflection", "discovered", "name", "for", "a", "given", "function" ]
a646ce10a6728e988448dc3f6f79cd3322854c61
https://github.com/mweagle/Sparta/blob/a646ce10a6728e988448dc3f6f79cd3322854c61/sparta.go#L1193-L1196
1,227
mweagle/Sparta
lambda_permissions.go
BucketArn
func (storage *MessageBodyStorage) BucketArn() *gocf.StringExpr { return gocf.Join("", gocf.String("arn:aws:s3:::"), storage.bucketNameExpr) }
go
func (storage *MessageBodyStorage) BucketArn() *gocf.StringExpr { return gocf.Join("", gocf.String("arn:aws:s3:::"), storage.bucketNameExpr) }
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// BucketArn returns an Arn value that can be used as an // lambdaFn.RoleDefinition.Privileges `Resource` value.
[ "BucketArn", "returns", "an", "Arn", "value", "that", "can", "be", "used", "as", "an", "lambdaFn", ".", "RoleDefinition", ".", "Privileges", "Resource", "value", "." ]
a646ce10a6728e988448dc3f6f79cd3322854c61
https://github.com/mweagle/Sparta/blob/a646ce10a6728e988448dc3f6f79cd3322854c61/lambda_permissions.go#L385-L389
1,228
mweagle/Sparta
lambda_permissions.go
NewMessageBodyStorageResource
func (perm *SESPermission) NewMessageBodyStorageResource(bucketLogicalName string) (*MessageBodyStorage, error) { if len(bucketLogicalName) <= 0 { return nil, errors.New("NewMessageBodyStorageResource requires a unique, non-empty `bucketLogicalName` parameter ") } store := &MessageBodyStorage{ logicalBucketName: bucketLogicalName, } store.cloudFormationS3BucketResourceName = CloudFormationResourceName("SESMessageStoreBucket", bucketLogicalName) store.bucketNameExpr = gocf.Ref(store.cloudFormationS3BucketResourceName).String() return store, nil }
go
func (perm *SESPermission) NewMessageBodyStorageResource(bucketLogicalName string) (*MessageBodyStorage, error) { if len(bucketLogicalName) <= 0 { return nil, errors.New("NewMessageBodyStorageResource requires a unique, non-empty `bucketLogicalName` parameter ") } store := &MessageBodyStorage{ logicalBucketName: bucketLogicalName, } store.cloudFormationS3BucketResourceName = CloudFormationResourceName("SESMessageStoreBucket", bucketLogicalName) store.bucketNameExpr = gocf.Ref(store.cloudFormationS3BucketResourceName).String() return store, nil }
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// NewMessageBodyStorageResource provisions a new S3 bucket to store message body // content.
[ "NewMessageBodyStorageResource", "provisions", "a", "new", "S3", "bucket", "to", "store", "message", "body", "content", "." ]
a646ce10a6728e988448dc3f6f79cd3322854c61
https://github.com/mweagle/Sparta/blob/a646ce10a6728e988448dc3f6f79cd3322854c61/lambda_permissions.go#L578-L588
1,229
mweagle/Sparta
lambda_permissions.go
MarshalJSON
func (rule CloudWatchEventsRule) MarshalJSON() ([]byte, error) { ruleJSON := map[string]interface{}{} if rule.Description != "" { ruleJSON["Description"] = rule.Description } if nil != rule.EventPattern { eventPatternString, err := json.Marshal(rule.EventPattern) if nil != err { return nil, err } ruleJSON["EventPattern"] = string(eventPatternString) } if rule.ScheduleExpression != "" { ruleJSON["ScheduleExpression"] = rule.ScheduleExpression } if nil != rule.RuleTarget { ruleJSON["RuleTarget"] = rule.RuleTarget } return json.Marshal(ruleJSON) }
go
func (rule CloudWatchEventsRule) MarshalJSON() ([]byte, error) { ruleJSON := map[string]interface{}{} if rule.Description != "" { ruleJSON["Description"] = rule.Description } if nil != rule.EventPattern { eventPatternString, err := json.Marshal(rule.EventPattern) if nil != err { return nil, err } ruleJSON["EventPattern"] = string(eventPatternString) } if rule.ScheduleExpression != "" { ruleJSON["ScheduleExpression"] = rule.ScheduleExpression } if nil != rule.RuleTarget { ruleJSON["RuleTarget"] = rule.RuleTarget } return json.Marshal(ruleJSON) }
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// MarshalJSON customizes the JSON representation used when serializing to the // CloudFormation template representation.
[ "MarshalJSON", "customizes", "the", "JSON", "representation", "used", "when", "serializing", "to", "the", "CloudFormation", "template", "representation", "." ]
a646ce10a6728e988448dc3f6f79cd3322854c61
https://github.com/mweagle/Sparta/blob/a646ce10a6728e988448dc3f6f79cd3322854c61/lambda_permissions.go#L757-L777
1,230
mweagle/Sparta
aws/apigateway/response.go
Error
func (apigError *Error) Error() string { bytes, bytesErr := json.Marshal(apigError) if bytesErr != nil { bytes = []byte(http.StatusText(http.StatusInternalServerError)) } return string(bytes) }
go
func (apigError *Error) Error() string { bytes, bytesErr := json.Marshal(apigError) if bytesErr != nil { bytes = []byte(http.StatusText(http.StatusInternalServerError)) } return string(bytes) }
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// Error returns the JSONified version of this error which will // trigger the appropriate integration mapping.
[ "Error", "returns", "the", "JSONified", "version", "of", "this", "error", "which", "will", "trigger", "the", "appropriate", "integration", "mapping", "." ]
a646ce10a6728e988448dc3f6f79cd3322854c61
https://github.com/mweagle/Sparta/blob/a646ce10a6728e988448dc3f6f79cd3322854c61/aws/apigateway/response.go#L21-L27
1,231
mweagle/Sparta
aws/apigateway/response.go
NewErrorResponse
func NewErrorResponse(statusCode int, messages ...interface{}) *Error { additionalMessages := make([]string, len(messages)) for eachIndex, eachMessage := range messages { switch typedValue := eachMessage.(type) { case error: additionalMessages[eachIndex] = typedValue.Error() default: additionalMessages[eachIndex] = fmt.Sprintf("%v", typedValue) } } err := &Error{ Code: statusCode, Err: http.StatusText(statusCode), Message: strings.Join(additionalMessages, " "), Context: make(map[string]interface{}), } if len(err.Err) <= 0 { err.Code = http.StatusInternalServerError err.Err = http.StatusText(http.StatusInternalServerError) } return err }
go
func NewErrorResponse(statusCode int, messages ...interface{}) *Error { additionalMessages := make([]string, len(messages)) for eachIndex, eachMessage := range messages { switch typedValue := eachMessage.(type) { case error: additionalMessages[eachIndex] = typedValue.Error() default: additionalMessages[eachIndex] = fmt.Sprintf("%v", typedValue) } } err := &Error{ Code: statusCode, Err: http.StatusText(statusCode), Message: strings.Join(additionalMessages, " "), Context: make(map[string]interface{}), } if len(err.Err) <= 0 { err.Code = http.StatusInternalServerError err.Err = http.StatusText(http.StatusInternalServerError) } return err }
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// NewErrorResponse returns a response that satisfies // the regular expression used to determine integration mappings // via the API Gateway. messages is a stringable type. Error interface // instances will be properly typecast.
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a646ce10a6728e988448dc3f6f79cd3322854c61
https://github.com/mweagle/Sparta/blob/a646ce10a6728e988448dc3f6f79cd3322854c61/aws/apigateway/response.go#L33-L56
1,232
mweagle/Sparta
aws/apigateway/response.go
MarshalJSON
func (resp *Response) MarshalJSON() ([]byte, error) { canonicalResponse := canonicalResponse{ Code: resp.Code, Body: resp.Body, } if len(resp.Headers) != 0 { canonicalResponse.Headers = make(map[string]string) for eachKey, eachValue := range resp.Headers { canonicalResponse.Headers[strings.ToLower(eachKey)] = eachValue } } return json.Marshal(&canonicalResponse) }
go
func (resp *Response) MarshalJSON() ([]byte, error) { canonicalResponse := canonicalResponse{ Code: resp.Code, Body: resp.Body, } if len(resp.Headers) != 0 { canonicalResponse.Headers = make(map[string]string) for eachKey, eachValue := range resp.Headers { canonicalResponse.Headers[strings.ToLower(eachKey)] = eachValue } } return json.Marshal(&canonicalResponse) }
[ "func", "(", "resp", "*", "Response", ")", "MarshalJSON", "(", ")", "(", "[", "]", "byte", ",", "error", ")", "{", "canonicalResponse", ":=", "canonicalResponse", "{", "Code", ":", "resp", ".", "Code", ",", "Body", ":", "resp", ".", "Body", ",", "}", "\n", "if", "len", "(", "resp", ".", "Headers", ")", "!=", "0", "{", "canonicalResponse", ".", "Headers", "=", "make", "(", "map", "[", "string", "]", "string", ")", "\n", "for", "eachKey", ",", "eachValue", ":=", "range", "resp", ".", "Headers", "{", "canonicalResponse", ".", "Headers", "[", "strings", ".", "ToLower", "(", "eachKey", ")", "]", "=", "eachValue", "\n", "}", "\n", "}", "\n", "return", "json", ".", "Marshal", "(", "&", "canonicalResponse", ")", "\n", "}" ]
// MarshalJSON is a custom marshaller to ensure that the marshalled // headers are always lowercase
[ "MarshalJSON", "is", "a", "custom", "marshaller", "to", "ensure", "that", "the", "marshalled", "headers", "are", "always", "lowercase" ]
a646ce10a6728e988448dc3f6f79cd3322854c61
https://github.com/mweagle/Sparta/blob/a646ce10a6728e988448dc3f6f79cd3322854c61/aws/apigateway/response.go#L79-L91
1,233
mweagle/Sparta
aws/apigateway/response.go
NewResponse
func NewResponse(code int, body interface{}, headers ...map[string]string) *Response { response := &Response{ Code: code, Body: body, } if len(headers) != 0 { response.Headers = make(map[string]string) for _, eachHeaderMap := range headers { for eachKey, eachValue := range eachHeaderMap { response.Headers[eachKey] = eachValue } } } return response }
go
func NewResponse(code int, body interface{}, headers ...map[string]string) *Response { response := &Response{ Code: code, Body: body, } if len(headers) != 0 { response.Headers = make(map[string]string) for _, eachHeaderMap := range headers { for eachKey, eachValue := range eachHeaderMap { response.Headers[eachKey] = eachValue } } } return response }
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// NewResponse returns an API Gateway response object
[ "NewResponse", "returns", "an", "API", "Gateway", "response", "object" ]
a646ce10a6728e988448dc3f6f79cd3322854c61
https://github.com/mweagle/Sparta/blob/a646ce10a6728e988448dc3f6f79cd3322854c61/aws/apigateway/response.go#L94-L108
1,234
mweagle/Sparta
aws/step/dynamodb.go
NewDynamoDBGetItemState
func NewDynamoDBGetItemState(stateName string, parameters DynamoDBGetItemParameters) *DynamoDBGetItemState { dgis := &DynamoDBGetItemState{ BaseTask: BaseTask{ baseInnerState: baseInnerState{ name: stateName, id: rand.Int63(), }, }, parameters: parameters, } return dgis }
go
func NewDynamoDBGetItemState(stateName string, parameters DynamoDBGetItemParameters) *DynamoDBGetItemState { dgis := &DynamoDBGetItemState{ BaseTask: BaseTask{ baseInnerState: baseInnerState{ name: stateName, id: rand.Int63(), }, }, parameters: parameters, } return dgis }
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// NewDynamoDBGetItemState returns an initialized DynamoDB GetItem state
[ "NewDynamoDBGetItemState", "returns", "an", "initialized", "DynamoDB", "GetItem", "state" ]
a646ce10a6728e988448dc3f6f79cd3322854c61
https://github.com/mweagle/Sparta/blob/a646ce10a6728e988448dc3f6f79cd3322854c61/aws/step/dynamodb.go#L47-L60
1,235
mweagle/Sparta
aws/step/dynamodb.go
NewDynamoDBPutItemState
func NewDynamoDBPutItemState(stateName string, parameters DynamoDBPutItemParameters) *DynamoDBPutItemState { dpis := &DynamoDBPutItemState{ BaseTask: BaseTask{ baseInnerState: baseInnerState{ name: stateName, id: rand.Int63(), }, }, parameters: parameters, } return dpis }
go
func NewDynamoDBPutItemState(stateName string, parameters DynamoDBPutItemParameters) *DynamoDBPutItemState { dpis := &DynamoDBPutItemState{ BaseTask: BaseTask{ baseInnerState: baseInnerState{ name: stateName, id: rand.Int63(), }, }, parameters: parameters, } return dpis }
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// NewDynamoDBPutItemState returns an initialized DynamoDB PutItem state
[ "NewDynamoDBPutItemState", "returns", "an", "initialized", "DynamoDB", "PutItem", "state" ]
a646ce10a6728e988448dc3f6f79cd3322854c61
https://github.com/mweagle/Sparta/blob/a646ce10a6728e988448dc3f6f79cd3322854c61/aws/step/dynamodb.go#L102-L115
1,236
mweagle/Sparta
aws/accessor/interface.go
xrayInit
func xrayInit(awsClient *client.Client) { if os.Getenv("AWS_XRAY_DAEMON_ADDRESS") != "" && os.Getenv("AWS_EXECUTION_ENV") != "" { xray.AWS(awsClient) } }
go
func xrayInit(awsClient *client.Client) { if os.Getenv("AWS_XRAY_DAEMON_ADDRESS") != "" && os.Getenv("AWS_EXECUTION_ENV") != "" { xray.AWS(awsClient) } }
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// Conditionally attach XRay if it seems like the right thing to do
[ "Conditionally", "attach", "XRay", "if", "it", "seems", "like", "the", "right", "thing", "to", "do" ]
a646ce10a6728e988448dc3f6f79cd3322854c61
https://github.com/mweagle/Sparta/blob/a646ce10a6728e988448dc3f6f79cd3322854c61/aws/accessor/interface.go#L12-L17
1,237
mweagle/Sparta
archetype/codecommit.go
OnCodeCommitEvent
func (reactorFunc CodeCommitReactorFunc) OnCodeCommitEvent(ctx context.Context, codeCommitEvent awsLambdaEvents.CodeCommitEvent) (interface{}, error) { return reactorFunc(ctx, codeCommitEvent) }
go
func (reactorFunc CodeCommitReactorFunc) OnCodeCommitEvent(ctx context.Context, codeCommitEvent awsLambdaEvents.CodeCommitEvent) (interface{}, error) { return reactorFunc(ctx, codeCommitEvent) }
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// OnCodeCommitEvent satisfies the CodeCommitReactor interface
[ "OnCodeCommitEvent", "satisfies", "the", "CodeCommitReactor", "interface" ]
a646ce10a6728e988448dc3f6f79cd3322854c61
https://github.com/mweagle/Sparta/blob/a646ce10a6728e988448dc3f6f79cd3322854c61/archetype/codecommit.go#L28-L31
1,238
mweagle/Sparta
archetype/codecommit.go
NewCodeCommitReactor
func NewCodeCommitReactor(reactor CodeCommitReactor, repositoryName gocf.Stringable, branches []string, events []string, additionalLambdaPermissions []sparta.IAMRolePrivilege) (*sparta.LambdaAWSInfo, error) { reactorLambda := func(ctx context.Context, codeCommitEvent awsLambdaEvents.CodeCommitEvent) (interface{}, error) { return reactor.OnCodeCommitEvent(ctx, codeCommitEvent) } lambdaFn, lambdaFnErr := sparta.NewAWSLambda(reactorName(reactor), reactorLambda, sparta.IAMRoleDefinition{}) if lambdaFnErr != nil { return nil, errors.Wrapf(lambdaFnErr, "attempting to create reactor") } lambdaFn.Permissions = append(lambdaFn.Permissions, sparta.CodeCommitPermission{ BasePermission: sparta.BasePermission{ SourceArn: repositoryName, }, RepositoryName: repositoryName.String(), Branches: branches, Events: events, }) if len(additionalLambdaPermissions) != 0 { lambdaFn.RoleDefinition.Privileges = additionalLambdaPermissions } return lambdaFn, nil }
go
func NewCodeCommitReactor(reactor CodeCommitReactor, repositoryName gocf.Stringable, branches []string, events []string, additionalLambdaPermissions []sparta.IAMRolePrivilege) (*sparta.LambdaAWSInfo, error) { reactorLambda := func(ctx context.Context, codeCommitEvent awsLambdaEvents.CodeCommitEvent) (interface{}, error) { return reactor.OnCodeCommitEvent(ctx, codeCommitEvent) } lambdaFn, lambdaFnErr := sparta.NewAWSLambda(reactorName(reactor), reactorLambda, sparta.IAMRoleDefinition{}) if lambdaFnErr != nil { return nil, errors.Wrapf(lambdaFnErr, "attempting to create reactor") } lambdaFn.Permissions = append(lambdaFn.Permissions, sparta.CodeCommitPermission{ BasePermission: sparta.BasePermission{ SourceArn: repositoryName, }, RepositoryName: repositoryName.String(), Branches: branches, Events: events, }) if len(additionalLambdaPermissions) != 0 { lambdaFn.RoleDefinition.Privileges = additionalLambdaPermissions } return lambdaFn, nil }
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// NewCodeCommitReactor returns an SNS reactor lambda function
[ "NewCodeCommitReactor", "returns", "an", "SNS", "reactor", "lambda", "function" ]
a646ce10a6728e988448dc3f6f79cd3322854c61
https://github.com/mweagle/Sparta/blob/a646ce10a6728e988448dc3f6f79cd3322854c61/archetype/codecommit.go#L39-L68
1,239
mweagle/Sparta
aws/accessor/s3.go
BucketPrivilege
func (svc *S3Accessor) BucketPrivilege(bucketPrivs ...string) sparta.IAMRolePrivilege { return sparta.IAMRolePrivilege{ Actions: bucketPrivs, Resource: spartaCF.S3ArnForBucket(gocf.Ref(svc.S3BucketResourceName)), } }
go
func (svc *S3Accessor) BucketPrivilege(bucketPrivs ...string) sparta.IAMRolePrivilege { return sparta.IAMRolePrivilege{ Actions: bucketPrivs, Resource: spartaCF.S3ArnForBucket(gocf.Ref(svc.S3BucketResourceName)), } }
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// BucketPrivilege returns a privilege that targets the Bucket
[ "BucketPrivilege", "returns", "a", "privilege", "that", "targets", "the", "Bucket" ]
a646ce10a6728e988448dc3f6f79cd3322854c61
https://github.com/mweagle/Sparta/blob/a646ce10a6728e988448dc3f6f79cd3322854c61/aws/accessor/s3.go#L26-L31
1,240
mweagle/Sparta
aws/accessor/s3.go
KeysPrivilege
func (svc *S3Accessor) KeysPrivilege(keyPrivileges ...string) sparta.IAMRolePrivilege { return sparta.IAMRolePrivilege{ Actions: keyPrivileges, Resource: spartaCF.S3AllKeysArnForBucket(gocf.Ref(svc.S3BucketResourceName)), } }
go
func (svc *S3Accessor) KeysPrivilege(keyPrivileges ...string) sparta.IAMRolePrivilege { return sparta.IAMRolePrivilege{ Actions: keyPrivileges, Resource: spartaCF.S3AllKeysArnForBucket(gocf.Ref(svc.S3BucketResourceName)), } }
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// KeysPrivilege returns a privilege that targets the Bucket objects
[ "KeysPrivilege", "returns", "a", "privilege", "that", "targets", "the", "Bucket", "objects" ]
a646ce10a6728e988448dc3f6f79cd3322854c61
https://github.com/mweagle/Sparta/blob/a646ce10a6728e988448dc3f6f79cd3322854c61/aws/accessor/s3.go#L34-L39
1,241
mweagle/Sparta
execute_build.go
awsLambdaFunctionName
func awsLambdaFunctionName(internalFunctionName string) gocf.Stringable { sanitizedName := awsLambdaInternalName(internalFunctionName) // When we build, we return a gocf.Join that // will use the stack name and the internal name. When we run, we're going // to use the name discovered from the environment. return gocf.Join("", gocf.Ref("AWS::StackName"), gocf.String(functionNameDelimiter), gocf.String(sanitizedName)) }
go
func awsLambdaFunctionName(internalFunctionName string) gocf.Stringable { sanitizedName := awsLambdaInternalName(internalFunctionName) // When we build, we return a gocf.Join that // will use the stack name and the internal name. When we run, we're going // to use the name discovered from the environment. return gocf.Join("", gocf.Ref("AWS::StackName"), gocf.String(functionNameDelimiter), gocf.String(sanitizedName)) }
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// awsLambdaFunctionName returns the name of the function, which // is set in the CloudFormation template that is published // into the container as `AWS_LAMBDA_FUNCTION_NAME`. The function name // is dependent on the CloudFormation stack name so that // CodePipeline based builds can properly create unique FunctionNAmes // within an account
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a646ce10a6728e988448dc3f6f79cd3322854c61
https://github.com/mweagle/Sparta/blob/a646ce10a6728e988448dc3f6f79cd3322854c61/execute_build.go#L31-L40
1,242
mweagle/Sparta
archetype/dynamodb.go
OnDynamoEvent
func (reactorFunc DynamoDBReactorFunc) OnDynamoEvent(ctx context.Context, dynamoEvent awsLambdaEvents.DynamoDBEvent) (interface{}, error) { return reactorFunc(ctx, dynamoEvent) }
go
func (reactorFunc DynamoDBReactorFunc) OnDynamoEvent(ctx context.Context, dynamoEvent awsLambdaEvents.DynamoDBEvent) (interface{}, error) { return reactorFunc(ctx, dynamoEvent) }
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// OnDynamoEvent satisfies the DynamoDBReactor interface
[ "OnDynamoEvent", "satisfies", "the", "DynamoDBReactor", "interface" ]
a646ce10a6728e988448dc3f6f79cd3322854c61
https://github.com/mweagle/Sparta/blob/a646ce10a6728e988448dc3f6f79cd3322854c61/archetype/dynamodb.go#L29-L32
1,243
mweagle/Sparta
archetype/dynamodb.go
ReactorName
func (reactorFunc DynamoDBReactorFunc) ReactorName() string { return runtime.FuncForPC(reflect.ValueOf(reactorFunc).Pointer()).Name() }
go
func (reactorFunc DynamoDBReactorFunc) ReactorName() string { return runtime.FuncForPC(reflect.ValueOf(reactorFunc).Pointer()).Name() }
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// ReactorName provides the name of the reactor func
[ "ReactorName", "provides", "the", "name", "of", "the", "reactor", "func" ]
a646ce10a6728e988448dc3f6f79cd3322854c61
https://github.com/mweagle/Sparta/blob/a646ce10a6728e988448dc3f6f79cd3322854c61/archetype/dynamodb.go#L35-L37
1,244
mweagle/Sparta
archetype/dynamodb.go
NewDynamoDBReactor
func NewDynamoDBReactor(reactor DynamoDBReactor, dynamoDBARN gocf.Stringable, startingPosition string, batchSize int64, additionalLambdaPermissions []sparta.IAMRolePrivilege) (*sparta.LambdaAWSInfo, error) { reactorLambda := func(ctx context.Context, dynamoEvent awsLambdaEvents.DynamoDBEvent) (interface{}, error) { return reactor.OnDynamoEvent(ctx, dynamoEvent) } lambdaFn, lambdaFnErr := sparta.NewAWSLambda(reactorName(reactor), reactorLambda, sparta.IAMRoleDefinition{}) if lambdaFnErr != nil { return nil, errors.Wrapf(lambdaFnErr, "attempting to create reactor") } lambdaFn.EventSourceMappings = append(lambdaFn.EventSourceMappings, &sparta.EventSourceMapping{ EventSourceArn: dynamoDBARN, StartingPosition: startingPosition, BatchSize: batchSize, }) if len(additionalLambdaPermissions) != 0 { lambdaFn.RoleDefinition.Privileges = additionalLambdaPermissions } return lambdaFn, nil }
go
func NewDynamoDBReactor(reactor DynamoDBReactor, dynamoDBARN gocf.Stringable, startingPosition string, batchSize int64, additionalLambdaPermissions []sparta.IAMRolePrivilege) (*sparta.LambdaAWSInfo, error) { reactorLambda := func(ctx context.Context, dynamoEvent awsLambdaEvents.DynamoDBEvent) (interface{}, error) { return reactor.OnDynamoEvent(ctx, dynamoEvent) } lambdaFn, lambdaFnErr := sparta.NewAWSLambda(reactorName(reactor), reactorLambda, sparta.IAMRoleDefinition{}) if lambdaFnErr != nil { return nil, errors.Wrapf(lambdaFnErr, "attempting to create reactor") } lambdaFn.EventSourceMappings = append(lambdaFn.EventSourceMappings, &sparta.EventSourceMapping{ EventSourceArn: dynamoDBARN, StartingPosition: startingPosition, BatchSize: batchSize, }) if len(additionalLambdaPermissions) != 0 { lambdaFn.RoleDefinition.Privileges = additionalLambdaPermissions } return lambdaFn, nil }
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// NewDynamoDBReactor returns an Kinesis reactor lambda function
[ "NewDynamoDBReactor", "returns", "an", "Kinesis", "reactor", "lambda", "function" ]
a646ce10a6728e988448dc3f6f79cd3322854c61
https://github.com/mweagle/Sparta/blob/a646ce10a6728e988448dc3f6f79cd3322854c61/archetype/dynamodb.go#L40-L67
1,245
mweagle/Sparta
aws/step/batch.go
NewBatchTaskState
func NewBatchTaskState(stateName string, parameters BatchTaskParameters) *BatchTaskState { sns := &BatchTaskState{ BaseTask: BaseTask{ baseInnerState: baseInnerState{ name: stateName, id: rand.Int63(), }, }, parameters: parameters, } return sns }
go
func NewBatchTaskState(stateName string, parameters BatchTaskParameters) *BatchTaskState { sns := &BatchTaskState{ BaseTask: BaseTask{ baseInnerState: baseInnerState{ name: stateName, id: rand.Int63(), }, }, parameters: parameters, } return sns }
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// NewBatchTaskState returns an initialized BatchTaskState
[ "NewBatchTaskState", "returns", "an", "initialized", "BatchTaskState" ]
a646ce10a6728e988448dc3f6f79cd3322854c61
https://github.com/mweagle/Sparta/blob/a646ce10a6728e988448dc3f6f79cd3322854c61/aws/step/batch.go#L39-L52
1,246
mweagle/Sparta
resource_references.go
resolveResourceRef
func resolveResourceRef(expr interface{}) (*resourceRef, error) { // Is there any chance it's just a string? typedString, typedStringOk := expr.(string) if typedStringOk { return &resourceRef{ RefType: resourceLiteral, ResourceName: typedString, }, nil } // Some type of intrinsic function? marshalled, marshalledErr := json.Marshal(expr) if marshalledErr != nil { return nil, errors.Errorf("Failed to unmarshal dynamic resource ref %v", expr) } var refFunc gocf.RefFunc if json.Unmarshal(marshalled, &refFunc) == nil && len(refFunc.Name) != 0 { return &resourceRef{ RefType: resourceRefFunc, ResourceName: refFunc.Name, }, nil } var getAttFunc gocf.GetAttFunc if json.Unmarshal(marshalled, &getAttFunc) == nil && len(getAttFunc.Resource) != 0 { return &resourceRef{ RefType: resourceGetAttrFunc, ResourceName: getAttFunc.Resource, }, nil } // Any chance it's a string? var stringExprFunc gocf.StringExpr if json.Unmarshal(marshalled, &stringExprFunc) == nil && len(stringExprFunc.Literal) != 0 { return &resourceRef{ RefType: resourceStringFunc, ResourceName: stringExprFunc.Literal, }, nil } // Nope return nil, nil }
go
func resolveResourceRef(expr interface{}) (*resourceRef, error) { // Is there any chance it's just a string? typedString, typedStringOk := expr.(string) if typedStringOk { return &resourceRef{ RefType: resourceLiteral, ResourceName: typedString, }, nil } // Some type of intrinsic function? marshalled, marshalledErr := json.Marshal(expr) if marshalledErr != nil { return nil, errors.Errorf("Failed to unmarshal dynamic resource ref %v", expr) } var refFunc gocf.RefFunc if json.Unmarshal(marshalled, &refFunc) == nil && len(refFunc.Name) != 0 { return &resourceRef{ RefType: resourceRefFunc, ResourceName: refFunc.Name, }, nil } var getAttFunc gocf.GetAttFunc if json.Unmarshal(marshalled, &getAttFunc) == nil && len(getAttFunc.Resource) != 0 { return &resourceRef{ RefType: resourceGetAttrFunc, ResourceName: getAttFunc.Resource, }, nil } // Any chance it's a string? var stringExprFunc gocf.StringExpr if json.Unmarshal(marshalled, &stringExprFunc) == nil && len(stringExprFunc.Literal) != 0 { return &resourceRef{ RefType: resourceStringFunc, ResourceName: stringExprFunc.Literal, }, nil } // Nope return nil, nil }
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// resolveResourceRef takes an interface representing a dynamic ARN // and tries to determine the CloudFormation resource name it resolves to
[ "resolveResourceRef", "takes", "an", "interface", "representing", "a", "dynamic", "ARN", "and", "tries", "to", "determine", "the", "CloudFormation", "resource", "name", "it", "resolves", "to" ]
a646ce10a6728e988448dc3f6f79cd3322854c61
https://github.com/mweagle/Sparta/blob/a646ce10a6728e988448dc3f6f79cd3322854c61/resource_references.go#L38-L80
1,247
mweagle/Sparta
resource_references.go
visitResolvedEventSourceMapping
func visitResolvedEventSourceMapping(visitor resolvedResourceVisitor, lambdaAWSInfos []*LambdaAWSInfo, template *gocf.Template, logger *logrus.Logger) error { // // BEGIN // Inline closure to wrap the visitor function so that we can provide // specific error messages visitEventSourceMappingRef := func(lambdaAWSInfo *LambdaAWSInfo, eventSourceMapping *EventSourceMapping, mappingIndex int, resource *resourceRef) error { annotateStatementsErr := visitor(lambdaAWSInfo, eventSourceMapping, mappingIndex, resource) // Early exit? if annotateStatementsErr != nil { return errors.Wrapf(annotateStatementsErr, "Visiting event source mapping: %#v", eventSourceMapping) } return nil } // // END // Iterate through every lambda function. If there is an EventSourceMapping // that points to a piece of infastructure provisioned by this stack, // find the referred resource and supply it to the visitor for _, eachLambda := range lambdaAWSInfos { for eachIndex, eachEventSource := range eachLambda.EventSourceMappings { resourceRef, resourceRefErr := resolveResourceRef(eachEventSource.EventSourceArn) if resourceRefErr != nil { return errors.Wrapf(resourceRefErr, "Failed to resolve EventSourceArn: %#v", eachEventSource) } // At this point everything is a string, so we need to unmarshall // and see if the Arn is supplied by either a Ref or a GetAttr // function. In those cases, we need to look around in the template // to go from: EventMapping -> Type -> Lambda -> LambdaIAMRole // so that we can add the permissions if resourceRef != nil { annotationErr := visitEventSourceMappingRef(eachLambda, eachEventSource, eachIndex, resourceRef) // Anything go wrong? if annotationErr != nil { return errors.Wrapf(annotationErr, "Failed to annotate template for EventSourceMapping: %#v", eachEventSource) } } } } return nil }
go
func visitResolvedEventSourceMapping(visitor resolvedResourceVisitor, lambdaAWSInfos []*LambdaAWSInfo, template *gocf.Template, logger *logrus.Logger) error { // // BEGIN // Inline closure to wrap the visitor function so that we can provide // specific error messages visitEventSourceMappingRef := func(lambdaAWSInfo *LambdaAWSInfo, eventSourceMapping *EventSourceMapping, mappingIndex int, resource *resourceRef) error { annotateStatementsErr := visitor(lambdaAWSInfo, eventSourceMapping, mappingIndex, resource) // Early exit? if annotateStatementsErr != nil { return errors.Wrapf(annotateStatementsErr, "Visiting event source mapping: %#v", eventSourceMapping) } return nil } // // END // Iterate through every lambda function. If there is an EventSourceMapping // that points to a piece of infastructure provisioned by this stack, // find the referred resource and supply it to the visitor for _, eachLambda := range lambdaAWSInfos { for eachIndex, eachEventSource := range eachLambda.EventSourceMappings { resourceRef, resourceRefErr := resolveResourceRef(eachEventSource.EventSourceArn) if resourceRefErr != nil { return errors.Wrapf(resourceRefErr, "Failed to resolve EventSourceArn: %#v", eachEventSource) } // At this point everything is a string, so we need to unmarshall // and see if the Arn is supplied by either a Ref or a GetAttr // function. In those cases, we need to look around in the template // to go from: EventMapping -> Type -> Lambda -> LambdaIAMRole // so that we can add the permissions if resourceRef != nil { annotationErr := visitEventSourceMappingRef(eachLambda, eachEventSource, eachIndex, resourceRef) // Anything go wrong? if annotationErr != nil { return errors.Wrapf(annotationErr, "Failed to annotate template for EventSourceMapping: %#v", eachEventSource) } } } } return nil }
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// visitResolvedEventSourceMapping is a utility function that visits all the EventSourceMapping // entries for the given lambdaAWSInfo struct
[ "visitResolvedEventSourceMapping", "is", "a", "utility", "function", "that", "visits", "all", "the", "EventSourceMapping", "entries", "for", "the", "given", "lambdaAWSInfo", "struct" ]
a646ce10a6728e988448dc3f6f79cd3322854c61
https://github.com/mweagle/Sparta/blob/a646ce10a6728e988448dc3f6f79cd3322854c61/resource_references.go#L110-L171
1,248
mweagle/Sparta
provision_annotations.go
eventSourceMappingPoliciesForResource
func eventSourceMappingPoliciesForResource(resource *resourceRef, template *gocf.Template, logger *logrus.Logger) ([]spartaIAM.PolicyStatement, error) { policyStatements := []spartaIAM.PolicyStatement{} if isResolvedResourceType(resource, template, ":dynamodb:", &gocf.DynamoDBTable{}) { policyStatements = append(policyStatements, CommonIAMStatements.DynamoDB...) } else if isResolvedResourceType(resource, template, ":kinesis:", &gocf.KinesisStream{}) { policyStatements = append(policyStatements, CommonIAMStatements.Kinesis...) } else if isResolvedResourceType(resource, template, ":sqs:", &gocf.SQSQueue{}) { policyStatements = append(policyStatements, CommonIAMStatements.SQS...) } else { logger.WithFields(logrus.Fields{ "Resource": resource, }).Debug("No additional EventSource IAM permissions found for event type") } return policyStatements, nil }
go
func eventSourceMappingPoliciesForResource(resource *resourceRef, template *gocf.Template, logger *logrus.Logger) ([]spartaIAM.PolicyStatement, error) { policyStatements := []spartaIAM.PolicyStatement{} if isResolvedResourceType(resource, template, ":dynamodb:", &gocf.DynamoDBTable{}) { policyStatements = append(policyStatements, CommonIAMStatements.DynamoDB...) } else if isResolvedResourceType(resource, template, ":kinesis:", &gocf.KinesisStream{}) { policyStatements = append(policyStatements, CommonIAMStatements.Kinesis...) } else if isResolvedResourceType(resource, template, ":sqs:", &gocf.SQSQueue{}) { policyStatements = append(policyStatements, CommonIAMStatements.SQS...) } else { logger.WithFields(logrus.Fields{ "Resource": resource, }).Debug("No additional EventSource IAM permissions found for event type") } return policyStatements, nil }
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// eventSourceMappingPoliciesForResource returns the IAM specific privileges for each // type of supported AWS Lambda EventSourceMapping
[ "eventSourceMappingPoliciesForResource", "returns", "the", "IAM", "specific", "privileges", "for", "each", "type", "of", "supported", "AWS", "Lambda", "EventSourceMapping" ]
a646ce10a6728e988448dc3f6f79cd3322854c61
https://github.com/mweagle/Sparta/blob/a646ce10a6728e988448dc3f6f79cd3322854c61/provision_annotations.go#L18-L36
1,249
mweagle/Sparta
aws/step/sns.go
NewSNSTaskState
func NewSNSTaskState(stateName string, parameters SNSTaskParameters) *SNSTaskState { sns := &SNSTaskState{ BaseTask: BaseTask{ baseInnerState: baseInnerState{ name: stateName, id: rand.Int63(), }, }, parameters: parameters, } return sns }
go
func NewSNSTaskState(stateName string, parameters SNSTaskParameters) *SNSTaskState { sns := &SNSTaskState{ BaseTask: BaseTask{ baseInnerState: baseInnerState{ name: stateName, id: rand.Int63(), }, }, parameters: parameters, } return sns }
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// NewSNSTaskState returns an initialized SNSTaskState
[ "NewSNSTaskState", "returns", "an", "initialized", "SNSTaskState" ]
a646ce10a6728e988448dc3f6f79cd3322854c61
https://github.com/mweagle/Sparta/blob/a646ce10a6728e988448dc3f6f79cd3322854c61/aws/step/sns.go#L37-L50
1,250
mweagle/Sparta
decorator/outputs.go
PublishRefOutputDecorator
func PublishRefOutputDecorator(keyName string, description string) sparta.TemplateDecoratorHookFunc { attrDecorator := func(serviceName string, lambdaResourceName string, lambdaResource gocf.LambdaFunction, resourceMetadata map[string]interface{}, S3Bucket string, S3Key string, buildID string, template *gocf.Template, context map[string]interface{}, logger *logrus.Logger) error { // Add the function ARN as a stack output template.Outputs[sanitizedKeyName(keyName)] = &gocf.Output{ Description: description, Value: gocf.Ref(lambdaResourceName), } return nil } return sparta.TemplateDecoratorHookFunc(attrDecorator) }
go
func PublishRefOutputDecorator(keyName string, description string) sparta.TemplateDecoratorHookFunc { attrDecorator := func(serviceName string, lambdaResourceName string, lambdaResource gocf.LambdaFunction, resourceMetadata map[string]interface{}, S3Bucket string, S3Key string, buildID string, template *gocf.Template, context map[string]interface{}, logger *logrus.Logger) error { // Add the function ARN as a stack output template.Outputs[sanitizedKeyName(keyName)] = &gocf.Output{ Description: description, Value: gocf.Ref(lambdaResourceName), } return nil } return sparta.TemplateDecoratorHookFunc(attrDecorator) }
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// PublishRefOutputDecorator returns an TemplateDecoratorHookFunc // that publishes the Ref value for a given lambda
[ "PublishRefOutputDecorator", "returns", "an", "TemplateDecoratorHookFunc", "that", "publishes", "the", "Ref", "value", "for", "a", "given", "lambda" ]
a646ce10a6728e988448dc3f6f79cd3322854c61
https://github.com/mweagle/Sparta/blob/a646ce10a6728e988448dc3f6f79cd3322854c61/decorator/outputs.go#L81-L102
1,251
mweagle/Sparta
aws/session.go
NewSessionWithConfig
func NewSessionWithConfig(awsConfig *aws.Config, logger *logrus.Logger) *session.Session { return NewSessionWithConfigLevel(awsConfig, aws.LogDebugWithRequestErrors, logger) }
go
func NewSessionWithConfig(awsConfig *aws.Config, logger *logrus.Logger) *session.Session { return NewSessionWithConfigLevel(awsConfig, aws.LogDebugWithRequestErrors, logger) }
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// NewSessionWithConfig returns an awsSession that includes the user supplied // configuration information
[ "NewSessionWithConfig", "returns", "an", "awsSession", "that", "includes", "the", "user", "supplied", "configuration", "information" ]
a646ce10a6728e988448dc3f6f79cd3322854c61
https://github.com/mweagle/Sparta/blob/a646ce10a6728e988448dc3f6f79cd3322854c61/aws/session.go#L21-L23
1,252
mweagle/Sparta
aws/session.go
NewSession
func NewSession(logger *logrus.Logger) *session.Session { return NewSessionWithLevel(aws.LogDebugWithRequestErrors, logger) }
go
func NewSession(logger *logrus.Logger) *session.Session { return NewSessionWithLevel(aws.LogDebugWithRequestErrors, logger) }
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// NewSession that attaches a debug level handler to all AWS requests from services // sharing the session value.
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a646ce10a6728e988448dc3f6f79cd3322854c61
https://github.com/mweagle/Sparta/blob/a646ce10a6728e988448dc3f6f79cd3322854c61/aws/session.go#L27-L29
1,253
mweagle/Sparta
decorator/s3_artifact_publisher.go
S3ArtifactPublisherDecorator
func S3ArtifactPublisherDecorator(bucket gocf.Stringable, key gocf.Stringable, data map[string]interface{}) sparta.ServiceDecoratorHookHandler { // Setup the CF distro artifactDecorator := func(context map[string]interface{}, serviceName string, template *gocf.Template, S3Bucket string, S3Key string, buildID string, awsSession *session.Session, noop bool, logger *logrus.Logger) error { // Ensure the custom action handler... sourceArnExpr := gocf.Join("", gocf.String("arn:aws:s3:::"), bucket.String(), gocf.String("/*")) configuratorResName, err := sparta.EnsureCustomResourceHandler(serviceName, cfCustomResources.S3ArtifactPublisher, sourceArnExpr, []string{}, template, S3Bucket, S3Key, logger) if err != nil { return err } // Create the invocation of the custom action... s3PublishResource := &cfCustomResources.S3ArtifactPublisherResource{} s3PublishResource.ServiceToken = gocf.GetAtt(configuratorResName, "Arn") s3PublishResource.Bucket = bucket.String() s3PublishResource.Key = key.String() s3PublishResource.Body = data // Name? resourceInvokerName := sparta.CloudFormationResourceName("ArtifactS3", fmt.Sprintf("%v", bucket.String()), fmt.Sprintf("%v", key.String())) // Add it template.AddResource(resourceInvokerName, s3PublishResource) return nil } return sparta.ServiceDecoratorHookFunc(artifactDecorator) }
go
func S3ArtifactPublisherDecorator(bucket gocf.Stringable, key gocf.Stringable, data map[string]interface{}) sparta.ServiceDecoratorHookHandler { // Setup the CF distro artifactDecorator := func(context map[string]interface{}, serviceName string, template *gocf.Template, S3Bucket string, S3Key string, buildID string, awsSession *session.Session, noop bool, logger *logrus.Logger) error { // Ensure the custom action handler... sourceArnExpr := gocf.Join("", gocf.String("arn:aws:s3:::"), bucket.String(), gocf.String("/*")) configuratorResName, err := sparta.EnsureCustomResourceHandler(serviceName, cfCustomResources.S3ArtifactPublisher, sourceArnExpr, []string{}, template, S3Bucket, S3Key, logger) if err != nil { return err } // Create the invocation of the custom action... s3PublishResource := &cfCustomResources.S3ArtifactPublisherResource{} s3PublishResource.ServiceToken = gocf.GetAtt(configuratorResName, "Arn") s3PublishResource.Bucket = bucket.String() s3PublishResource.Key = key.String() s3PublishResource.Body = data // Name? resourceInvokerName := sparta.CloudFormationResourceName("ArtifactS3", fmt.Sprintf("%v", bucket.String()), fmt.Sprintf("%v", key.String())) // Add it template.AddResource(resourceInvokerName, s3PublishResource) return nil } return sparta.ServiceDecoratorHookFunc(artifactDecorator) }
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// S3ArtifactPublisherDecorator returns a ServiceDecoratorHookHandler // function that publishes the given data to an S3 Bucket // using the given bucket and key.
[ "S3ArtifactPublisherDecorator", "returns", "a", "ServiceDecoratorHookHandler", "function", "that", "publishes", "the", "given", "data", "to", "an", "S3", "Bucket", "using", "the", "given", "bucket", "and", "key", "." ]
a646ce10a6728e988448dc3f6f79cd3322854c61
https://github.com/mweagle/Sparta/blob/a646ce10a6728e988448dc3f6f79cd3322854c61/decorator/s3_artifact_publisher.go#L16-L67
1,254
mweagle/Sparta
sparta_main_build.go
NewLoggerWithFormatter
func NewLoggerWithFormatter(level string, formatter logrus.Formatter) (*logrus.Logger, error) { logger := logrus.New() // If there is an environment override, use that envLogLevel := os.Getenv(envVarLogLevel) if envLogLevel != "" { level = envLogLevel } logLevel, err := logrus.ParseLevel(level) if err != nil { return nil, err } logger.Level = logLevel if nil != formatter { logger.Formatter = formatter } logger.Out = os.Stdout return logger, nil }
go
func NewLoggerWithFormatter(level string, formatter logrus.Formatter) (*logrus.Logger, error) { logger := logrus.New() // If there is an environment override, use that envLogLevel := os.Getenv(envVarLogLevel) if envLogLevel != "" { level = envLogLevel } logLevel, err := logrus.ParseLevel(level) if err != nil { return nil, err } logger.Level = logLevel if nil != formatter { logger.Formatter = formatter } logger.Out = os.Stdout return logger, nil }
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// NewLoggerWithFormatter returns a logger with the given formatter. If formatter // is nil, a TTY-aware formatter is used
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a646ce10a6728e988448dc3f6f79cd3322854c61
https://github.com/mweagle/Sparta/blob/a646ce10a6728e988448dc3f6f79cd3322854c61/sparta_main_build.go#L40-L59
1,255
mweagle/Sparta
delete.go
Delete
func Delete(serviceName string, logger *logrus.Logger) error { session := spartaAWS.NewSession(logger) awsCloudFormation := cloudformation.New(session) exists, err := spartaCF.StackExists(serviceName, session, logger) if nil != err { return err } logger.WithFields(logrus.Fields{ "Exists": exists, "Name": serviceName, }).Info("Stack existence check") if exists { params := &cloudformation.DeleteStackInput{ StackName: aws.String(serviceName), } resp, err := awsCloudFormation.DeleteStack(params) if nil != resp { logger.WithFields(logrus.Fields{ "Response": resp, }).Info("Delete request submitted") } return err } logger.Info("Stack does not exist") return nil }
go
func Delete(serviceName string, logger *logrus.Logger) error { session := spartaAWS.NewSession(logger) awsCloudFormation := cloudformation.New(session) exists, err := spartaCF.StackExists(serviceName, session, logger) if nil != err { return err } logger.WithFields(logrus.Fields{ "Exists": exists, "Name": serviceName, }).Info("Stack existence check") if exists { params := &cloudformation.DeleteStackInput{ StackName: aws.String(serviceName), } resp, err := awsCloudFormation.DeleteStack(params) if nil != resp { logger.WithFields(logrus.Fields{ "Response": resp, }).Info("Delete request submitted") } return err } logger.Info("Stack does not exist") return nil }
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// Delete ensures that the provided serviceName is deleted. // Failing to delete a non-existent service is considered a success.
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a646ce10a6728e988448dc3f6f79cd3322854c61
https://github.com/mweagle/Sparta/blob/a646ce10a6728e988448dc3f6f79cd3322854c61/delete.go#L15-L43
1,256
mweagle/Sparta
archetype/kinesis.go
OnKinesisMessage
func (reactorFunc KinesisReactorFunc) OnKinesisMessage(ctx context.Context, kinesisEvent awsLambdaEvents.KinesisEvent) (interface{}, error) { return reactorFunc(ctx, kinesisEvent) }
go
func (reactorFunc KinesisReactorFunc) OnKinesisMessage(ctx context.Context, kinesisEvent awsLambdaEvents.KinesisEvent) (interface{}, error) { return reactorFunc(ctx, kinesisEvent) }
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// OnKinesisMessage satisfies the KinesisReactor interface
[ "OnKinesisMessage", "satisfies", "the", "KinesisReactor", "interface" ]
a646ce10a6728e988448dc3f6f79cd3322854c61
https://github.com/mweagle/Sparta/blob/a646ce10a6728e988448dc3f6f79cd3322854c61/archetype/kinesis.go#L29-L32
1,257
mweagle/Sparta
archetype/kinesis.go
NewKinesisReactor
func NewKinesisReactor(reactor KinesisReactor, kinesisStream gocf.Stringable, startingPosition string, batchSize int64, additionalLambdaPermissions []sparta.IAMRolePrivilege) (*sparta.LambdaAWSInfo, error) { reactorLambda := func(ctx context.Context, kinesisEvent awsLambdaEvents.KinesisEvent) (interface{}, error) { return reactor.OnKinesisMessage(ctx, kinesisEvent) } lambdaFn, lambdaFnErr := sparta.NewAWSLambda(reactorName(reactor), reactorLambda, sparta.IAMRoleDefinition{}) if lambdaFnErr != nil { return nil, errors.Wrapf(lambdaFnErr, "attempting to create reactor") } lambdaFn.EventSourceMappings = append(lambdaFn.EventSourceMappings, &sparta.EventSourceMapping{ EventSourceArn: kinesisStream, StartingPosition: startingPosition, BatchSize: batchSize, }) if len(additionalLambdaPermissions) != 0 { lambdaFn.RoleDefinition.Privileges = additionalLambdaPermissions } return lambdaFn, nil }
go
func NewKinesisReactor(reactor KinesisReactor, kinesisStream gocf.Stringable, startingPosition string, batchSize int64, additionalLambdaPermissions []sparta.IAMRolePrivilege) (*sparta.LambdaAWSInfo, error) { reactorLambda := func(ctx context.Context, kinesisEvent awsLambdaEvents.KinesisEvent) (interface{}, error) { return reactor.OnKinesisMessage(ctx, kinesisEvent) } lambdaFn, lambdaFnErr := sparta.NewAWSLambda(reactorName(reactor), reactorLambda, sparta.IAMRoleDefinition{}) if lambdaFnErr != nil { return nil, errors.Wrapf(lambdaFnErr, "attempting to create reactor") } lambdaFn.EventSourceMappings = append(lambdaFn.EventSourceMappings, &sparta.EventSourceMapping{ EventSourceArn: kinesisStream, StartingPosition: startingPosition, BatchSize: batchSize, }) if len(additionalLambdaPermissions) != 0 { lambdaFn.RoleDefinition.Privileges = additionalLambdaPermissions } return lambdaFn, nil }
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// NewKinesisReactor returns an Kinesis reactor lambda function
[ "NewKinesisReactor", "returns", "an", "Kinesis", "reactor", "lambda", "function" ]
a646ce10a6728e988448dc3f6f79cd3322854c61
https://github.com/mweagle/Sparta/blob/a646ce10a6728e988448dc3f6f79cd3322854c61/archetype/kinesis.go#L40-L67
1,258
mweagle/Sparta
archetype/s3.go
OnS3Event
func (reactorFunc S3ReactorFunc) OnS3Event(ctx context.Context, event awsLambdaEvents.S3Event) (interface{}, error) { return reactorFunc(ctx, event) }
go
func (reactorFunc S3ReactorFunc) OnS3Event(ctx context.Context, event awsLambdaEvents.S3Event) (interface{}, error) { return reactorFunc(ctx, event) }
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// OnS3Event satisfies the S3Reactor interface
[ "OnS3Event", "satisfies", "the", "S3Reactor", "interface" ]
a646ce10a6728e988448dc3f6f79cd3322854c61
https://github.com/mweagle/Sparta/blob/a646ce10a6728e988448dc3f6f79cd3322854c61/archetype/s3.go#L36-L38
1,259
mweagle/Sparta
archetype/s3.go
s3NotificationPrefixBasedPermission
func s3NotificationPrefixBasedPermission(bucketName gocf.Stringable, keyPathPrefix string) sparta.S3Permission { permission := sparta.S3Permission{ BasePermission: sparta.BasePermission{ SourceArn: bucketName.String(), }, Events: []string{"s3:ObjectCreated:*", "s3:ObjectRemoved:*"}, } if keyPathPrefix != "" { permission.Filter = s3.NotificationConfigurationFilter{ Key: &s3.KeyFilter{ FilterRules: []*s3.FilterRule{{ Name: aws.String("prefix"), Value: aws.String(keyPathPrefix), }}, }, } } return permission }
go
func s3NotificationPrefixBasedPermission(bucketName gocf.Stringable, keyPathPrefix string) sparta.S3Permission { permission := sparta.S3Permission{ BasePermission: sparta.BasePermission{ SourceArn: bucketName.String(), }, Events: []string{"s3:ObjectCreated:*", "s3:ObjectRemoved:*"}, } if keyPathPrefix != "" { permission.Filter = s3.NotificationConfigurationFilter{ Key: &s3.KeyFilter{ FilterRules: []*s3.FilterRule{{ Name: aws.String("prefix"), Value: aws.String(keyPathPrefix), }}, }, } } return permission }
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// s3NotificationPrefixFilter is a DRY spec for setting up a notification configuration // filter
[ "s3NotificationPrefixFilter", "is", "a", "DRY", "spec", "for", "setting", "up", "a", "notification", "configuration", "filter" ]
a646ce10a6728e988448dc3f6f79cd3322854c61
https://github.com/mweagle/Sparta/blob/a646ce10a6728e988448dc3f6f79cd3322854c61/archetype/s3.go#L47-L68
1,260
mweagle/Sparta
archetype/s3.go
NewS3Reactor
func NewS3Reactor(reactor S3Reactor, s3Bucket gocf.Stringable, additionalLambdaPermissions []sparta.IAMRolePrivilege) (*sparta.LambdaAWSInfo, error) { return NewS3ScopedReactor(reactor, s3Bucket, "", additionalLambdaPermissions) }
go
func NewS3Reactor(reactor S3Reactor, s3Bucket gocf.Stringable, additionalLambdaPermissions []sparta.IAMRolePrivilege) (*sparta.LambdaAWSInfo, error) { return NewS3ScopedReactor(reactor, s3Bucket, "", additionalLambdaPermissions) }
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// NewS3Reactor returns an S3 reactor lambda function
[ "NewS3Reactor", "returns", "an", "S3", "reactor", "lambda", "function" ]
a646ce10a6728e988448dc3f6f79cd3322854c61
https://github.com/mweagle/Sparta/blob/a646ce10a6728e988448dc3f6f79cd3322854c61/archetype/s3.go#L71-L73
1,261
mweagle/Sparta
archetype/s3.go
NewS3ScopedReactor
func NewS3ScopedReactor(reactor S3Reactor, s3Bucket gocf.Stringable, keyPathPrefix string, additionalLambdaPermissions []sparta.IAMRolePrivilege) (*sparta.LambdaAWSInfo, error) { reactorLambda := func(ctx context.Context, event awsLambdaEvents.S3Event) (interface{}, error) { return reactor.OnS3Event(ctx, event) } // Privilege must include access to the S3 bucket for GetObjectRequest lambdaFn, lambdaFnErr := sparta.NewAWSLambda(reactorName(reactor), reactorLambda, sparta.IAMRoleDefinition{}) if lambdaFnErr != nil { return nil, errors.Wrapf(lambdaFnErr, "attempting to create reactor") } privileges := []sparta.IAMRolePrivilege{{ Actions: []string{"s3:GetObject"}, Resource: spartaCF.S3AllKeysArnForBucket(s3Bucket), }} if len(additionalLambdaPermissions) != 0 { privileges = append(privileges, additionalLambdaPermissions...) } // IAM Role privileges lambdaFn.RoleDefinition.Privileges = privileges // Event Triggers lambdaFn.Permissions = append(lambdaFn.Permissions, s3NotificationPrefixBasedPermission(s3Bucket, keyPathPrefix)) return lambdaFn, nil }
go
func NewS3ScopedReactor(reactor S3Reactor, s3Bucket gocf.Stringable, keyPathPrefix string, additionalLambdaPermissions []sparta.IAMRolePrivilege) (*sparta.LambdaAWSInfo, error) { reactorLambda := func(ctx context.Context, event awsLambdaEvents.S3Event) (interface{}, error) { return reactor.OnS3Event(ctx, event) } // Privilege must include access to the S3 bucket for GetObjectRequest lambdaFn, lambdaFnErr := sparta.NewAWSLambda(reactorName(reactor), reactorLambda, sparta.IAMRoleDefinition{}) if lambdaFnErr != nil { return nil, errors.Wrapf(lambdaFnErr, "attempting to create reactor") } privileges := []sparta.IAMRolePrivilege{{ Actions: []string{"s3:GetObject"}, Resource: spartaCF.S3AllKeysArnForBucket(s3Bucket), }} if len(additionalLambdaPermissions) != 0 { privileges = append(privileges, additionalLambdaPermissions...) } // IAM Role privileges lambdaFn.RoleDefinition.Privileges = privileges // Event Triggers lambdaFn.Permissions = append(lambdaFn.Permissions, s3NotificationPrefixBasedPermission(s3Bucket, keyPathPrefix)) return lambdaFn, nil }
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// NewS3ScopedReactor returns an S3 reactor lambda function scoped to the given S3 key prefix
[ "NewS3ScopedReactor", "returns", "an", "S3", "reactor", "lambda", "function", "scoped", "to", "the", "given", "S3", "key", "prefix" ]
a646ce10a6728e988448dc3f6f79cd3322854c61
https://github.com/mweagle/Sparta/blob/a646ce10a6728e988448dc3f6f79cd3322854c61/archetype/s3.go#L76-L109
1,262
mweagle/Sparta
aws/cloudformation/util.go
init
func init() { cloudFormationStackTemplateMap = make(map[string]*gocf.Template) rand.Seed(time.Now().Unix()) }
go
func init() { cloudFormationStackTemplateMap = make(map[string]*gocf.Template) rand.Seed(time.Now().Unix()) }
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//var cacheLock sync.Mutex
[ "var", "cacheLock", "sync", ".", "Mutex" ]
a646ce10a6728e988448dc3f6f79cd3322854c61
https://github.com/mweagle/Sparta/blob/a646ce10a6728e988448dc3f6f79cd3322854c61/aws/cloudformation/util.go#L35-L38
1,263
mweagle/Sparta
aws/cloudformation/util.go
StackEvents
func StackEvents(stackID string, eventFilterLowerBoundInclusive time.Time, awsSession *session.Session) ([]*cloudformation.StackEvent, error) { cfService := cloudformation.New(awsSession) var events []*cloudformation.StackEvent nextToken := "" for { params := &cloudformation.DescribeStackEventsInput{ StackName: aws.String(stackID), } if len(nextToken) > 0 { params.NextToken = aws.String(nextToken) } resp, err := cfService.DescribeStackEvents(params) if nil != err { return nil, err } for _, eachEvent := range resp.StackEvents { if eachEvent.Timestamp.Equal(eventFilterLowerBoundInclusive) || eachEvent.Timestamp.After(eventFilterLowerBoundInclusive) { events = append(events, eachEvent) } } if nil == resp.NextToken { break } else { nextToken = *resp.NextToken } } return events, nil }
go
func StackEvents(stackID string, eventFilterLowerBoundInclusive time.Time, awsSession *session.Session) ([]*cloudformation.StackEvent, error) { cfService := cloudformation.New(awsSession) var events []*cloudformation.StackEvent nextToken := "" for { params := &cloudformation.DescribeStackEventsInput{ StackName: aws.String(stackID), } if len(nextToken) > 0 { params.NextToken = aws.String(nextToken) } resp, err := cfService.DescribeStackEvents(params) if nil != err { return nil, err } for _, eachEvent := range resp.StackEvents { if eachEvent.Timestamp.Equal(eventFilterLowerBoundInclusive) || eachEvent.Timestamp.After(eventFilterLowerBoundInclusive) { events = append(events, eachEvent) } } if nil == resp.NextToken { break } else { nextToken = *resp.NextToken } } return events, nil }
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// StackEvents returns the slice of cloudformation.StackEvents for the given stackID or stackName
[ "StackEvents", "returns", "the", "slice", "of", "cloudformation", ".", "StackEvents", "for", "the", "given", "stackID", "or", "stackName" ]
a646ce10a6728e988448dc3f6f79cd3322854c61
https://github.com/mweagle/Sparta/blob/a646ce10a6728e988448dc3f6f79cd3322854c61/aws/cloudformation/util.go#L484-L517
1,264
mweagle/Sparta
aws/cloudformation/util.go
WaitForStackOperationComplete
func WaitForStackOperationComplete(stackID string, pollingMessage string, awsCloudFormation *cloudformation.CloudFormation, logger *logrus.Logger) (*WaitForStackOperationCompleteResult, error) { result := &WaitForStackOperationCompleteResult{} startTime := time.Now() // Startup a spinner... charSetIndex := 7 cliSpinner := spinner.New(spinner.CharSets[charSetIndex], 333*time.Millisecond) cliSpinnerStarted := false // Poll for the current stackID state, and describeStacksInput := &cloudformation.DescribeStacksInput{ StackName: aws.String(stackID), } for waitComplete := false; !waitComplete; { // Startup the spinner if needed... switch logger.Formatter.(type) { case *logrus.JSONFormatter: { logger.Info(pollingMessage) } default: if !cliSpinnerStarted { cliSpinner.Start() defer cliSpinner.Stop() cliSpinnerStarted = true } spinnerText := fmt.Sprintf(" %s (requested: %s)", pollingMessage, humanize.Time(startTime)) cliSpinner.Suffix = spinnerText } // Then sleep and figure out if things are done... sleepDuration := time.Duration(11+rand.Int31n(13)) * time.Second time.Sleep(sleepDuration) describeStacksOutput, err := awsCloudFormation.DescribeStacks(describeStacksInput) if nil != err { // TODO - add retry iff we're RateExceeded due to collective access return nil, err } if len(describeStacksOutput.Stacks) <= 0 { return nil, fmt.Errorf("failed to enumerate stack info: %v", *describeStacksInput.StackName) } result.stackInfo = describeStacksOutput.Stacks[0] switch *(result.stackInfo).StackStatus { case cloudformation.StackStatusCreateComplete, cloudformation.StackStatusUpdateComplete: result.operationSuccessful = true waitComplete = true case // Include DeleteComplete as new provisions will automatically rollback cloudformation.StackStatusDeleteComplete, cloudformation.StackStatusCreateFailed, cloudformation.StackStatusDeleteFailed, cloudformation.StackStatusRollbackFailed, cloudformation.StackStatusRollbackComplete, cloudformation.StackStatusUpdateRollbackComplete: result.operationSuccessful = false waitComplete = true default: // If this is JSON output, just do the normal thing // NOP } } return result, nil }
go
func WaitForStackOperationComplete(stackID string, pollingMessage string, awsCloudFormation *cloudformation.CloudFormation, logger *logrus.Logger) (*WaitForStackOperationCompleteResult, error) { result := &WaitForStackOperationCompleteResult{} startTime := time.Now() // Startup a spinner... charSetIndex := 7 cliSpinner := spinner.New(spinner.CharSets[charSetIndex], 333*time.Millisecond) cliSpinnerStarted := false // Poll for the current stackID state, and describeStacksInput := &cloudformation.DescribeStacksInput{ StackName: aws.String(stackID), } for waitComplete := false; !waitComplete; { // Startup the spinner if needed... switch logger.Formatter.(type) { case *logrus.JSONFormatter: { logger.Info(pollingMessage) } default: if !cliSpinnerStarted { cliSpinner.Start() defer cliSpinner.Stop() cliSpinnerStarted = true } spinnerText := fmt.Sprintf(" %s (requested: %s)", pollingMessage, humanize.Time(startTime)) cliSpinner.Suffix = spinnerText } // Then sleep and figure out if things are done... sleepDuration := time.Duration(11+rand.Int31n(13)) * time.Second time.Sleep(sleepDuration) describeStacksOutput, err := awsCloudFormation.DescribeStacks(describeStacksInput) if nil != err { // TODO - add retry iff we're RateExceeded due to collective access return nil, err } if len(describeStacksOutput.Stacks) <= 0 { return nil, fmt.Errorf("failed to enumerate stack info: %v", *describeStacksInput.StackName) } result.stackInfo = describeStacksOutput.Stacks[0] switch *(result.stackInfo).StackStatus { case cloudformation.StackStatusCreateComplete, cloudformation.StackStatusUpdateComplete: result.operationSuccessful = true waitComplete = true case // Include DeleteComplete as new provisions will automatically rollback cloudformation.StackStatusDeleteComplete, cloudformation.StackStatusCreateFailed, cloudformation.StackStatusDeleteFailed, cloudformation.StackStatusRollbackFailed, cloudformation.StackStatusRollbackComplete, cloudformation.StackStatusUpdateRollbackComplete: result.operationSuccessful = false waitComplete = true default: // If this is JSON output, just do the normal thing // NOP } } return result, nil }
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// WaitForStackOperationComplete is a blocking, polling based call that // periodically fetches the stackID set of events and uses the state value // to determine if an operation is complete
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a646ce10a6728e988448dc3f6f79cd3322854c61
https://github.com/mweagle/Sparta/blob/a646ce10a6728e988448dc3f6f79cd3322854c61/aws/cloudformation/util.go#L529-L601
1,265
mweagle/Sparta
aws/cloudformation/util.go
UploadTemplate
func UploadTemplate(serviceName string, cfTemplate *gocf.Template, s3Bucket string, s3KeyName string, awsSession *session.Session, logger *logrus.Logger) (string, error) { logger.WithFields(logrus.Fields{ "Key": s3KeyName, "Bucket": s3Bucket, }).Info("Uploading CloudFormation template") s3Uploader := s3manager.NewUploader(awsSession) // Serialize the template and upload it cfTemplateJSON, err := json.Marshal(cfTemplate) if err != nil { return "", errors.Wrap(err, "Failed to Marshal CloudFormation template") } // Upload the actual CloudFormation template to S3 to maximize the template // size limit // Ref: http://docs.aws.amazon.com/AWSCloudFormation/latest/APIReference/API_CreateStack.html contentBody := string(cfTemplateJSON) uploadInput := &s3manager.UploadInput{ Bucket: &s3Bucket, Key: &s3KeyName, ContentType: aws.String("application/json"), Body: strings.NewReader(contentBody), } templateUploadResult, templateUploadResultErr := s3Uploader.Upload(uploadInput) if nil != templateUploadResultErr { return "", templateUploadResultErr } // Be transparent logger.WithFields(logrus.Fields{ "URL": templateUploadResult.Location, }).Info("Template uploaded") return templateUploadResult.Location, nil }
go
func UploadTemplate(serviceName string, cfTemplate *gocf.Template, s3Bucket string, s3KeyName string, awsSession *session.Session, logger *logrus.Logger) (string, error) { logger.WithFields(logrus.Fields{ "Key": s3KeyName, "Bucket": s3Bucket, }).Info("Uploading CloudFormation template") s3Uploader := s3manager.NewUploader(awsSession) // Serialize the template and upload it cfTemplateJSON, err := json.Marshal(cfTemplate) if err != nil { return "", errors.Wrap(err, "Failed to Marshal CloudFormation template") } // Upload the actual CloudFormation template to S3 to maximize the template // size limit // Ref: http://docs.aws.amazon.com/AWSCloudFormation/latest/APIReference/API_CreateStack.html contentBody := string(cfTemplateJSON) uploadInput := &s3manager.UploadInput{ Bucket: &s3Bucket, Key: &s3KeyName, ContentType: aws.String("application/json"), Body: strings.NewReader(contentBody), } templateUploadResult, templateUploadResultErr := s3Uploader.Upload(uploadInput) if nil != templateUploadResultErr { return "", templateUploadResultErr } // Be transparent logger.WithFields(logrus.Fields{ "URL": templateUploadResult.Location, }).Info("Template uploaded") return templateUploadResult.Location, nil }
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// UploadTemplate marshals the given cfTemplate and uploads it to the // supplied bucket using the given KeyName
[ "UploadTemplate", "marshals", "the", "given", "cfTemplate", "and", "uploads", "it", "to", "the", "supplied", "bucket", "using", "the", "given", "KeyName" ]
a646ce10a6728e988448dc3f6f79cd3322854c61
https://github.com/mweagle/Sparta/blob/a646ce10a6728e988448dc3f6f79cd3322854c61/aws/cloudformation/util.go#L636-L676
1,266
mweagle/Sparta
aws/cloudformation/util.go
StackExists
func StackExists(stackNameOrID string, awsSession *session.Session, logger *logrus.Logger) (bool, error) { cf := cloudformation.New(awsSession) describeStacksInput := &cloudformation.DescribeStacksInput{ StackName: aws.String(stackNameOrID), } describeStacksOutput, err := cf.DescribeStacks(describeStacksInput) logger.WithFields(logrus.Fields{ "DescribeStackOutput": describeStacksOutput, }).Debug("DescribeStackOutput results") exists := false if err != nil { logger.WithFields(logrus.Fields{ "DescribeStackOutputError": err, }).Debug("DescribeStackOutput") // If the stack doesn't exist, then no worries if strings.Contains(err.Error(), "does not exist") { exists = false } else { return false, err } } else { exists = true } return exists, nil }
go
func StackExists(stackNameOrID string, awsSession *session.Session, logger *logrus.Logger) (bool, error) { cf := cloudformation.New(awsSession) describeStacksInput := &cloudformation.DescribeStacksInput{ StackName: aws.String(stackNameOrID), } describeStacksOutput, err := cf.DescribeStacks(describeStacksInput) logger.WithFields(logrus.Fields{ "DescribeStackOutput": describeStacksOutput, }).Debug("DescribeStackOutput results") exists := false if err != nil { logger.WithFields(logrus.Fields{ "DescribeStackOutputError": err, }).Debug("DescribeStackOutput") // If the stack doesn't exist, then no worries if strings.Contains(err.Error(), "does not exist") { exists = false } else { return false, err } } else { exists = true } return exists, nil }
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// StackExists returns whether the given stackName or stackID currently exists
[ "StackExists", "returns", "whether", "the", "given", "stackName", "or", "stackID", "currently", "exists" ]
a646ce10a6728e988448dc3f6f79cd3322854c61
https://github.com/mweagle/Sparta/blob/a646ce10a6728e988448dc3f6f79cd3322854c61/aws/cloudformation/util.go#L679-L706
1,267
mweagle/Sparta
aws/cloudformation/util.go
CreateStackChangeSet
func CreateStackChangeSet(changeSetRequestName string, serviceName string, cfTemplate *gocf.Template, templateURL string, awsTags []*cloudformation.Tag, awsCloudFormation *cloudformation.CloudFormation, logger *logrus.Logger) (*cloudformation.DescribeChangeSetOutput, error) { capabilities := stackCapabilities(cfTemplate) changeSetInput := &cloudformation.CreateChangeSetInput{ Capabilities: capabilities, ChangeSetName: aws.String(changeSetRequestName), ClientToken: aws.String(changeSetRequestName), Description: aws.String(fmt.Sprintf("Change set for service: %s", serviceName)), StackName: aws.String(serviceName), TemplateURL: aws.String(templateURL), } if len(awsTags) != 0 { changeSetInput.Tags = awsTags } _, changeSetError := awsCloudFormation.CreateChangeSet(changeSetInput) if nil != changeSetError { return nil, changeSetError } logger.WithFields(logrus.Fields{ "StackName": serviceName, }).Info("Issued CreateChangeSet request") describeChangeSetInput := cloudformation.DescribeChangeSetInput{ ChangeSetName: aws.String(changeSetRequestName), StackName: aws.String(serviceName), } var describeChangeSetOutput *cloudformation.DescribeChangeSetOutput // Loop, with a total timeout of 3 minutes startTime := time.Now() changeSetStabilized := false for !changeSetStabilized { sleepDuration := cloudformationPollingDelay() time.Sleep(sleepDuration) changeSetOutput, describeChangeSetError := awsCloudFormation.DescribeChangeSet(&describeChangeSetInput) if nil != describeChangeSetError { return nil, describeChangeSetError } describeChangeSetOutput = changeSetOutput // The current status of the change set, such as CREATE_IN_PROGRESS, CREATE_COMPLETE, // or FAILED. if nil != describeChangeSetOutput { switch *describeChangeSetOutput.Status { case "CREATE_IN_PROGRESS": // If this has taken more than 3 minutes, then that's an error elapsedTime := time.Since(startTime) if elapsedTime > cloudformationPollingTimeout { return nil, fmt.Errorf("failed to finalize ChangeSet within window: %s", elapsedTime.String()) } case "CREATE_COMPLETE": changeSetStabilized = true case "FAILED": return nil, fmt.Errorf("failed to create ChangeSet: %#v", *describeChangeSetOutput) } } } logger.WithFields(logrus.Fields{ "DescribeChangeSetOutput": describeChangeSetOutput, }).Debug("DescribeChangeSet result") ////////////////////////////////////////////////////////////////////////////// // If there aren't any changes, then skip it... if len(describeChangeSetOutput.Changes) <= 0 { logger.WithFields(logrus.Fields{ "StackName": serviceName, }).Info("No changes detected for service") // Delete it... _, deleteChangeSetResultErr := DeleteChangeSet(serviceName, changeSetRequestName, awsCloudFormation) return nil, deleteChangeSetResultErr } return describeChangeSetOutput, nil }
go
func CreateStackChangeSet(changeSetRequestName string, serviceName string, cfTemplate *gocf.Template, templateURL string, awsTags []*cloudformation.Tag, awsCloudFormation *cloudformation.CloudFormation, logger *logrus.Logger) (*cloudformation.DescribeChangeSetOutput, error) { capabilities := stackCapabilities(cfTemplate) changeSetInput := &cloudformation.CreateChangeSetInput{ Capabilities: capabilities, ChangeSetName: aws.String(changeSetRequestName), ClientToken: aws.String(changeSetRequestName), Description: aws.String(fmt.Sprintf("Change set for service: %s", serviceName)), StackName: aws.String(serviceName), TemplateURL: aws.String(templateURL), } if len(awsTags) != 0 { changeSetInput.Tags = awsTags } _, changeSetError := awsCloudFormation.CreateChangeSet(changeSetInput) if nil != changeSetError { return nil, changeSetError } logger.WithFields(logrus.Fields{ "StackName": serviceName, }).Info("Issued CreateChangeSet request") describeChangeSetInput := cloudformation.DescribeChangeSetInput{ ChangeSetName: aws.String(changeSetRequestName), StackName: aws.String(serviceName), } var describeChangeSetOutput *cloudformation.DescribeChangeSetOutput // Loop, with a total timeout of 3 minutes startTime := time.Now() changeSetStabilized := false for !changeSetStabilized { sleepDuration := cloudformationPollingDelay() time.Sleep(sleepDuration) changeSetOutput, describeChangeSetError := awsCloudFormation.DescribeChangeSet(&describeChangeSetInput) if nil != describeChangeSetError { return nil, describeChangeSetError } describeChangeSetOutput = changeSetOutput // The current status of the change set, such as CREATE_IN_PROGRESS, CREATE_COMPLETE, // or FAILED. if nil != describeChangeSetOutput { switch *describeChangeSetOutput.Status { case "CREATE_IN_PROGRESS": // If this has taken more than 3 minutes, then that's an error elapsedTime := time.Since(startTime) if elapsedTime > cloudformationPollingTimeout { return nil, fmt.Errorf("failed to finalize ChangeSet within window: %s", elapsedTime.String()) } case "CREATE_COMPLETE": changeSetStabilized = true case "FAILED": return nil, fmt.Errorf("failed to create ChangeSet: %#v", *describeChangeSetOutput) } } } logger.WithFields(logrus.Fields{ "DescribeChangeSetOutput": describeChangeSetOutput, }).Debug("DescribeChangeSet result") ////////////////////////////////////////////////////////////////////////////// // If there aren't any changes, then skip it... if len(describeChangeSetOutput.Changes) <= 0 { logger.WithFields(logrus.Fields{ "StackName": serviceName, }).Info("No changes detected for service") // Delete it... _, deleteChangeSetResultErr := DeleteChangeSet(serviceName, changeSetRequestName, awsCloudFormation) return nil, deleteChangeSetResultErr } return describeChangeSetOutput, nil }
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// CreateStackChangeSet returns the DescribeChangeSetOutput // for a given stack transformation
[ "CreateStackChangeSet", "returns", "the", "DescribeChangeSetOutput", "for", "a", "given", "stack", "transformation" ]
a646ce10a6728e988448dc3f6f79cd3322854c61
https://github.com/mweagle/Sparta/blob/a646ce10a6728e988448dc3f6f79cd3322854c61/aws/cloudformation/util.go#L710-L795
1,268
mweagle/Sparta
aws/cloudformation/util.go
DeleteChangeSet
func DeleteChangeSet(stackName string, changeSetRequestName string, awsCloudFormation *cloudformation.CloudFormation) (*cloudformation.DeleteChangeSetOutput, error) { // Delete request... deleteChangeSetInput := cloudformation.DeleteChangeSetInput{ ChangeSetName: aws.String(changeSetRequestName), StackName: aws.String(stackName), } startTime := time.Now() for { elapsedTime := time.Since(startTime) deleteChangeSetResults, deleteChangeSetResultErr := awsCloudFormation.DeleteChangeSet(&deleteChangeSetInput) if nil == deleteChangeSetResultErr { return deleteChangeSetResults, nil } else if strings.Contains(deleteChangeSetResultErr.Error(), "CREATE_IN_PROGRESS") { if elapsedTime > cloudformationPollingTimeout { return nil, fmt.Errorf("failed to delete ChangeSet within timeout window: %s", elapsedTime.String()) } sleepDuration := cloudformationPollingDelay() time.Sleep(sleepDuration) } else { return nil, deleteChangeSetResultErr } } }
go
func DeleteChangeSet(stackName string, changeSetRequestName string, awsCloudFormation *cloudformation.CloudFormation) (*cloudformation.DeleteChangeSetOutput, error) { // Delete request... deleteChangeSetInput := cloudformation.DeleteChangeSetInput{ ChangeSetName: aws.String(changeSetRequestName), StackName: aws.String(stackName), } startTime := time.Now() for { elapsedTime := time.Since(startTime) deleteChangeSetResults, deleteChangeSetResultErr := awsCloudFormation.DeleteChangeSet(&deleteChangeSetInput) if nil == deleteChangeSetResultErr { return deleteChangeSetResults, nil } else if strings.Contains(deleteChangeSetResultErr.Error(), "CREATE_IN_PROGRESS") { if elapsedTime > cloudformationPollingTimeout { return nil, fmt.Errorf("failed to delete ChangeSet within timeout window: %s", elapsedTime.String()) } sleepDuration := cloudformationPollingDelay() time.Sleep(sleepDuration) } else { return nil, deleteChangeSetResultErr } } }
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// DeleteChangeSet is a utility function that attempts to delete // an existing CloudFormation change set, with a bit of retry // logic in case of EC
[ "DeleteChangeSet", "is", "a", "utility", "function", "that", "attempts", "to", "delete", "an", "existing", "CloudFormation", "change", "set", "with", "a", "bit", "of", "retry", "logic", "in", "case", "of", "EC" ]
a646ce10a6728e988448dc3f6f79cd3322854c61
https://github.com/mweagle/Sparta/blob/a646ce10a6728e988448dc3f6f79cd3322854c61/aws/cloudformation/util.go#L800-L827
1,269
mweagle/Sparta
aws/cloudformation/util.go
ListStacks
func ListStacks(session *session.Session, maxReturned int, stackFilters ...string) ([]*cloudformation.StackSummary, error) { listStackInput := &cloudformation.ListStacksInput{ StackStatusFilter: []*string{}, } for _, eachFilter := range stackFilters { listStackInput.StackStatusFilter = append(listStackInput.StackStatusFilter, aws.String(eachFilter)) } cloudformationSvc := cloudformation.New(session) accumulator := []*cloudformation.StackSummary{} for { listResult, listResultErr := cloudformationSvc.ListStacks(listStackInput) if listResultErr != nil { return nil, listResultErr } accumulator = append(accumulator, listResult.StackSummaries...) if len(accumulator) >= maxReturned || listResult.NextToken == nil { return accumulator, nil } listStackInput.NextToken = listResult.NextToken } }
go
func ListStacks(session *session.Session, maxReturned int, stackFilters ...string) ([]*cloudformation.StackSummary, error) { listStackInput := &cloudformation.ListStacksInput{ StackStatusFilter: []*string{}, } for _, eachFilter := range stackFilters { listStackInput.StackStatusFilter = append(listStackInput.StackStatusFilter, aws.String(eachFilter)) } cloudformationSvc := cloudformation.New(session) accumulator := []*cloudformation.StackSummary{} for { listResult, listResultErr := cloudformationSvc.ListStacks(listStackInput) if listResultErr != nil { return nil, listResultErr } accumulator = append(accumulator, listResult.StackSummaries...) if len(accumulator) >= maxReturned || listResult.NextToken == nil { return accumulator, nil } listStackInput.NextToken = listResult.NextToken } }
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// ListStacks returns a slice of stacks that meet the given filter.
[ "ListStacks", "returns", "a", "slice", "of", "stacks", "that", "meet", "the", "given", "filter", "." ]
a646ce10a6728e988448dc3f6f79cd3322854c61
https://github.com/mweagle/Sparta/blob/a646ce10a6728e988448dc3f6f79cd3322854c61/aws/cloudformation/util.go#L830-L853
1,270
mweagle/Sparta
provision.go
EnsureCustomResourceHandler
func EnsureCustomResourceHandler(serviceName string, customResourceCloudFormationTypeName string, sourceArn *gocf.StringExpr, dependsOn []string, template *gocf.Template, S3Bucket string, S3Key string, logger *logrus.Logger) (string, error) { // Ok, we need a way to round trip this type as the AWS lambda function name. // The problem with this is that the full CustomResource::Type value isn't an // AWS Lambda friendly name. We want to do this so that in the AWS lambda handler // we can attempt to instantiate a new CustomAction resource, typecast it to a // CustomResourceCommand type and then apply the workflow. Doing this means // we can decouple the lookup logic for custom resource... resource := gocf.NewResourceByType(customResourceCloudFormationTypeName) if resource == nil { return "", errors.Errorf("Unable to create custom resource handler of type: %v", customResourceCloudFormationTypeName) } command, commandOk := resource.(cfCustomResources.CustomResourceCommand) if !commandOk { return "", errors.Errorf("Cannot type assert resource type %s to CustomResourceCommand", customResourceCloudFormationTypeName) } // Prefix commandType := reflect.TypeOf(command) customResourceTypeName := fmt.Sprintf("%T", command) prefixName := fmt.Sprintf("%s-CFRes", serviceName) subscriberHandlerName := CloudFormationResourceName(prefixName, customResourceTypeName) ////////////////////////////////////////////////////////////////////////////// // IAM Role definition iamResourceName, err := ensureIAMRoleForCustomResource(command, sourceArn, template, logger) if nil != err { return "", errors.Wrapf(err, "Failed to ensure IAM Role for custom resource: %T", command) } iamRoleRef := gocf.GetAtt(iamResourceName, "Arn") _, exists := template.Resources[subscriberHandlerName] if exists { return subscriberHandlerName, nil } // Encode the resourceType... configuratorDescription := customResourceDescription(serviceName, customResourceTypeName) ////////////////////////////////////////////////////////////////////////////// // Custom Resource Lambda Handler // Insert it into the template resources... logger.WithFields(logrus.Fields{ "CloudFormationResourceType": customResourceCloudFormationTypeName, "Resource": customResourceTypeName, "TypeOf": commandType.String(), }).Info("Including Lambda CustomResource") // Don't forget the discovery info... userDispatchMap := map[string]*gocf.StringExpr{ EnvVarCustomResourceTypeName: gocf.String(customResourceCloudFormationTypeName), } lambdaEnv, lambdaEnvErr := lambdaFunctionEnvironment(userDispatchMap, customResourceTypeName, nil, logger) if lambdaEnvErr != nil { return "", errors.Wrapf(lambdaEnvErr, "Failed to create environment for required custom resource") } // Add the special key that's the custom resource type name customResourceHandlerDef := gocf.LambdaFunction{ Code: &gocf.LambdaFunctionCode{ S3Bucket: gocf.String(S3Bucket), S3Key: gocf.String(S3Key), }, Runtime: gocf.String(GoLambdaVersion), Description: gocf.String(configuratorDescription), Handler: gocf.String(SpartaBinaryName), Role: iamRoleRef, Timeout: gocf.Integer(30), // Let AWS assign a name here... // FunctionName: lambdaFunctionName.String(), // DISPATCH INFORMATION Environment: lambdaEnv, } cfResource := template.AddResource(subscriberHandlerName, customResourceHandlerDef) if nil != dependsOn && (len(dependsOn) > 0) { cfResource.DependsOn = append(cfResource.DependsOn, dependsOn...) } return subscriberHandlerName, nil }
go
func EnsureCustomResourceHandler(serviceName string, customResourceCloudFormationTypeName string, sourceArn *gocf.StringExpr, dependsOn []string, template *gocf.Template, S3Bucket string, S3Key string, logger *logrus.Logger) (string, error) { // Ok, we need a way to round trip this type as the AWS lambda function name. // The problem with this is that the full CustomResource::Type value isn't an // AWS Lambda friendly name. We want to do this so that in the AWS lambda handler // we can attempt to instantiate a new CustomAction resource, typecast it to a // CustomResourceCommand type and then apply the workflow. Doing this means // we can decouple the lookup logic for custom resource... resource := gocf.NewResourceByType(customResourceCloudFormationTypeName) if resource == nil { return "", errors.Errorf("Unable to create custom resource handler of type: %v", customResourceCloudFormationTypeName) } command, commandOk := resource.(cfCustomResources.CustomResourceCommand) if !commandOk { return "", errors.Errorf("Cannot type assert resource type %s to CustomResourceCommand", customResourceCloudFormationTypeName) } // Prefix commandType := reflect.TypeOf(command) customResourceTypeName := fmt.Sprintf("%T", command) prefixName := fmt.Sprintf("%s-CFRes", serviceName) subscriberHandlerName := CloudFormationResourceName(prefixName, customResourceTypeName) ////////////////////////////////////////////////////////////////////////////// // IAM Role definition iamResourceName, err := ensureIAMRoleForCustomResource(command, sourceArn, template, logger) if nil != err { return "", errors.Wrapf(err, "Failed to ensure IAM Role for custom resource: %T", command) } iamRoleRef := gocf.GetAtt(iamResourceName, "Arn") _, exists := template.Resources[subscriberHandlerName] if exists { return subscriberHandlerName, nil } // Encode the resourceType... configuratorDescription := customResourceDescription(serviceName, customResourceTypeName) ////////////////////////////////////////////////////////////////////////////// // Custom Resource Lambda Handler // Insert it into the template resources... logger.WithFields(logrus.Fields{ "CloudFormationResourceType": customResourceCloudFormationTypeName, "Resource": customResourceTypeName, "TypeOf": commandType.String(), }).Info("Including Lambda CustomResource") // Don't forget the discovery info... userDispatchMap := map[string]*gocf.StringExpr{ EnvVarCustomResourceTypeName: gocf.String(customResourceCloudFormationTypeName), } lambdaEnv, lambdaEnvErr := lambdaFunctionEnvironment(userDispatchMap, customResourceTypeName, nil, logger) if lambdaEnvErr != nil { return "", errors.Wrapf(lambdaEnvErr, "Failed to create environment for required custom resource") } // Add the special key that's the custom resource type name customResourceHandlerDef := gocf.LambdaFunction{ Code: &gocf.LambdaFunctionCode{ S3Bucket: gocf.String(S3Bucket), S3Key: gocf.String(S3Key), }, Runtime: gocf.String(GoLambdaVersion), Description: gocf.String(configuratorDescription), Handler: gocf.String(SpartaBinaryName), Role: iamRoleRef, Timeout: gocf.Integer(30), // Let AWS assign a name here... // FunctionName: lambdaFunctionName.String(), // DISPATCH INFORMATION Environment: lambdaEnv, } cfResource := template.AddResource(subscriberHandlerName, customResourceHandlerDef) if nil != dependsOn && (len(dependsOn) > 0) { cfResource.DependsOn = append(cfResource.DependsOn, dependsOn...) } return subscriberHandlerName, nil }
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// EnsureCustomResourceHandler handles ensuring that the custom resource responsible // for supporting the operation is actually part of this stack. The returned // string value is the CloudFormation resource name that implements this // resource. The customResourceCloudFormationTypeName must have already // been registered with gocf and implement the resources.CustomResourceCommand // interface
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a646ce10a6728e988448dc3f6f79cd3322854c61
https://github.com/mweagle/Sparta/blob/a646ce10a6728e988448dc3f6f79cd3322854c61/provision.go#L109-L202
1,271
mweagle/Sparta
system/exec.go
RunOSCommand
func RunOSCommand(cmd *exec.Cmd, logger *logrus.Logger) error { logger.WithFields(logrus.Fields{ "Arguments": cmd.Args, "Dir": cmd.Dir, "Path": cmd.Path, "Env": cmd.Env, }).Debug("Running Command") outputWriter := logger.Writer() cmdErr := RunAndCaptureOSCommand(cmd, outputWriter, outputWriter, logger) closeErr := outputWriter.Close() if closeErr != nil { logger.WithField("closeError", closeErr).Warn("Failed to close OS command writer") } return cmdErr }
go
func RunOSCommand(cmd *exec.Cmd, logger *logrus.Logger) error { logger.WithFields(logrus.Fields{ "Arguments": cmd.Args, "Dir": cmd.Dir, "Path": cmd.Path, "Env": cmd.Env, }).Debug("Running Command") outputWriter := logger.Writer() cmdErr := RunAndCaptureOSCommand(cmd, outputWriter, outputWriter, logger) closeErr := outputWriter.Close() if closeErr != nil { logger.WithField("closeError", closeErr).Warn("Failed to close OS command writer") } return cmdErr }
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// RunOSCommand properly executes a system command // and writes the output to the provided logger
[ "RunOSCommand", "properly", "executes", "a", "system", "command", "and", "writes", "the", "output", "to", "the", "provided", "logger" ]
a646ce10a6728e988448dc3f6f79cd3322854c61
https://github.com/mweagle/Sparta/blob/a646ce10a6728e988448dc3f6f79cd3322854c61/system/exec.go#L12-L29
1,272
mweagle/Sparta
system/exec.go
RunAndCaptureOSCommand
func RunAndCaptureOSCommand(cmd *exec.Cmd, stdoutWriter io.Writer, stderrWriter io.Writer, logger *logrus.Logger) error { logger.WithFields(logrus.Fields{ "Arguments": cmd.Args, "Dir": cmd.Dir, "Path": cmd.Path, "Env": cmd.Env, }).Debug("Running Command") cmd.Stdout = stdoutWriter cmd.Stderr = stderrWriter return cmd.Run() }
go
func RunAndCaptureOSCommand(cmd *exec.Cmd, stdoutWriter io.Writer, stderrWriter io.Writer, logger *logrus.Logger) error { logger.WithFields(logrus.Fields{ "Arguments": cmd.Args, "Dir": cmd.Dir, "Path": cmd.Path, "Env": cmd.Env, }).Debug("Running Command") cmd.Stdout = stdoutWriter cmd.Stderr = stderrWriter return cmd.Run() }
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// RunAndCaptureOSCommand runs the given command and // captures the stdout and stderr
[ "RunAndCaptureOSCommand", "runs", "the", "given", "command", "and", "captures", "the", "stdout", "and", "stderr" ]
a646ce10a6728e988448dc3f6f79cd3322854c61
https://github.com/mweagle/Sparta/blob/a646ce10a6728e988448dc3f6f79cd3322854c61/system/exec.go#L33-L47
1,273
mweagle/Sparta
decorator/dashboard.go
DashboardDecorator
func DashboardDecorator(lambdaAWSInfo []*sparta.LambdaAWSInfo, timeSeriesPeriod int) sparta.ServiceDecoratorHookFunc { return func(context map[string]interface{}, serviceName string, cfTemplate *gocf.Template, S3Bucket string, S3Key string, buildID string, awsSession *session.Session, noop bool, logger *logrus.Logger) error { lambdaFunctions := make([]*LambdaTemplateData, len(lambdaAWSInfo)) for index, eachLambda := range lambdaAWSInfo { lambdaFunctions[index] = &LambdaTemplateData{ LambdaAWSInfo: eachLambda, ResourceName: eachLambda.LogicalResourceName(), } } dashboardTemplateData := &DashboardTemplateData{ SpartaVersion: sparta.SpartaVersion, SpartaGitHash: sparta.SpartaGitHash, LambdaFunctions: lambdaFunctions, TimeSeriesPeriod: timeSeriesPeriod, Extents: widgetExtents{ HeaderWidthUnits: headerWidthUnits, HeaderHeightUnits: headerHeightUnits, MetricWidthUnits: metricWidthUnits, MetricHeightUnits: metricHeightUnits, MetricsPerRow: metricsPerRow, }, } dashboardTmpl, dashboardTmplErr := template.New("dashboard"). Delims("<<", ">>"). Funcs(templateFuncMap). Parse(dashboardTemplate) if nil != dashboardTmplErr { return dashboardTmplErr } var templateResults bytes.Buffer evalResultErr := dashboardTmpl.Execute(&templateResults, dashboardTemplateData) if nil != evalResultErr { return evalResultErr } // Raw template output logger.WithFields(logrus.Fields{ "Dashboard": templateResults.String(), }).Debug("CloudWatch Dashboard template result") // Replace any multiline backtick newlines with nothing, since otherwise // the Fn::Joined JSON will be malformed reReplace, reReplaceErr := regexp.Compile("\n") if nil != reReplaceErr { return reReplaceErr } escapedBytes := reReplace.ReplaceAll(templateResults.Bytes(), []byte("")) logger.WithFields(logrus.Fields{ "Dashboard": string(escapedBytes), }).Debug("CloudWatch Dashboard post cleanup") // Super, now parse this into an Fn::Join representation // so that we can get inline expansion of the AWS pseudo params templateReader := bytes.NewReader(escapedBytes) templateExpr, templateExprErr := spartaCF.ConvertToTemplateExpression(templateReader, nil) if nil != templateExprErr { return templateExprErr } dashboardResource := gocf.CloudWatchDashboard{} dashboardResource.DashboardBody = templateExpr dashboardResource.DashboardName = gocf.String(serviceName) dashboardName := sparta.CloudFormationResourceName("Dashboard", "Dashboard") cfTemplate.AddResource(dashboardName, &dashboardResource) // Add the output cfTemplate.Outputs[OutputDashboardURL] = &gocf.Output{ Description: "CloudWatch Dashboard URL", Value: gocf.Join("", gocf.String("https://"), gocf.Ref("AWS::Region"), gocf.String(".console.aws.amazon.com/cloudwatch/home?region="), gocf.Ref("AWS::Region"), gocf.String("#dashboards:name="), gocf.Ref(dashboardName)), } return nil } }
go
func DashboardDecorator(lambdaAWSInfo []*sparta.LambdaAWSInfo, timeSeriesPeriod int) sparta.ServiceDecoratorHookFunc { return func(context map[string]interface{}, serviceName string, cfTemplate *gocf.Template, S3Bucket string, S3Key string, buildID string, awsSession *session.Session, noop bool, logger *logrus.Logger) error { lambdaFunctions := make([]*LambdaTemplateData, len(lambdaAWSInfo)) for index, eachLambda := range lambdaAWSInfo { lambdaFunctions[index] = &LambdaTemplateData{ LambdaAWSInfo: eachLambda, ResourceName: eachLambda.LogicalResourceName(), } } dashboardTemplateData := &DashboardTemplateData{ SpartaVersion: sparta.SpartaVersion, SpartaGitHash: sparta.SpartaGitHash, LambdaFunctions: lambdaFunctions, TimeSeriesPeriod: timeSeriesPeriod, Extents: widgetExtents{ HeaderWidthUnits: headerWidthUnits, HeaderHeightUnits: headerHeightUnits, MetricWidthUnits: metricWidthUnits, MetricHeightUnits: metricHeightUnits, MetricsPerRow: metricsPerRow, }, } dashboardTmpl, dashboardTmplErr := template.New("dashboard"). Delims("<<", ">>"). Funcs(templateFuncMap). Parse(dashboardTemplate) if nil != dashboardTmplErr { return dashboardTmplErr } var templateResults bytes.Buffer evalResultErr := dashboardTmpl.Execute(&templateResults, dashboardTemplateData) if nil != evalResultErr { return evalResultErr } // Raw template output logger.WithFields(logrus.Fields{ "Dashboard": templateResults.String(), }).Debug("CloudWatch Dashboard template result") // Replace any multiline backtick newlines with nothing, since otherwise // the Fn::Joined JSON will be malformed reReplace, reReplaceErr := regexp.Compile("\n") if nil != reReplaceErr { return reReplaceErr } escapedBytes := reReplace.ReplaceAll(templateResults.Bytes(), []byte("")) logger.WithFields(logrus.Fields{ "Dashboard": string(escapedBytes), }).Debug("CloudWatch Dashboard post cleanup") // Super, now parse this into an Fn::Join representation // so that we can get inline expansion of the AWS pseudo params templateReader := bytes.NewReader(escapedBytes) templateExpr, templateExprErr := spartaCF.ConvertToTemplateExpression(templateReader, nil) if nil != templateExprErr { return templateExprErr } dashboardResource := gocf.CloudWatchDashboard{} dashboardResource.DashboardBody = templateExpr dashboardResource.DashboardName = gocf.String(serviceName) dashboardName := sparta.CloudFormationResourceName("Dashboard", "Dashboard") cfTemplate.AddResource(dashboardName, &dashboardResource) // Add the output cfTemplate.Outputs[OutputDashboardURL] = &gocf.Output{ Description: "CloudWatch Dashboard URL", Value: gocf.Join("", gocf.String("https://"), gocf.Ref("AWS::Region"), gocf.String(".console.aws.amazon.com/cloudwatch/home?region="), gocf.Ref("AWS::Region"), gocf.String("#dashboards:name="), gocf.Ref(dashboardName)), } return nil } }
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// DashboardDecorator returns a ServiceDecoratorHook function that // can be attached the workflow to create a dashboard
[ "DashboardDecorator", "returns", "a", "ServiceDecoratorHook", "function", "that", "can", "be", "attached", "the", "workflow", "to", "create", "a", "dashboard" ]
a646ce10a6728e988448dc3f6f79cd3322854c61
https://github.com/mweagle/Sparta/blob/a646ce10a6728e988448dc3f6f79cd3322854c61/decorator/dashboard.go#L130-L219
1,274
mweagle/Sparta
aws/cloudformation/resources/s3ArtifactPublisherResource.go
Create
func (command S3ArtifactPublisherResource) Create(awsSession *session.Session, event *CloudFormationLambdaEvent, logger *logrus.Logger) (map[string]interface{}, error) { unmarshalErr := json.Unmarshal(event.ResourceProperties, &command) if unmarshalErr != nil { return nil, unmarshalErr } mapData, mapDataErr := json.Marshal(command.Body) if mapDataErr != nil { return nil, mapDataErr } itemInput := bytes.NewReader(mapData) s3PutObjectParams := &s3.PutObjectInput{ Body: itemInput, Bucket: aws.String(command.Bucket.Literal), Key: aws.String(command.Key.Literal), } s3Svc := s3.New(awsSession) s3Response, s3ResponseErr := s3Svc.PutObject(s3PutObjectParams) if s3ResponseErr != nil { return nil, s3ResponseErr } return map[string]interface{}{ "ObjectVersion": s3Response.VersionId, }, nil }
go
func (command S3ArtifactPublisherResource) Create(awsSession *session.Session, event *CloudFormationLambdaEvent, logger *logrus.Logger) (map[string]interface{}, error) { unmarshalErr := json.Unmarshal(event.ResourceProperties, &command) if unmarshalErr != nil { return nil, unmarshalErr } mapData, mapDataErr := json.Marshal(command.Body) if mapDataErr != nil { return nil, mapDataErr } itemInput := bytes.NewReader(mapData) s3PutObjectParams := &s3.PutObjectInput{ Body: itemInput, Bucket: aws.String(command.Bucket.Literal), Key: aws.String(command.Key.Literal), } s3Svc := s3.New(awsSession) s3Response, s3ResponseErr := s3Svc.PutObject(s3PutObjectParams) if s3ResponseErr != nil { return nil, s3ResponseErr } return map[string]interface{}{ "ObjectVersion": s3Response.VersionId, }, nil }
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// Create implements the S3 create operation
[ "Create", "implements", "the", "S3", "create", "operation" ]
a646ce10a6728e988448dc3f6f79cd3322854c61
https://github.com/mweagle/Sparta/blob/a646ce10a6728e988448dc3f6f79cd3322854c61/aws/cloudformation/resources/s3ArtifactPublisherResource.go#L35-L61
1,275
mweagle/Sparta
aws/cloudformation/resources/s3ArtifactPublisherResource.go
Update
func (command S3ArtifactPublisherResource) Update(awsSession *session.Session, event *CloudFormationLambdaEvent, logger *logrus.Logger) (map[string]interface{}, error) { return command.Create(awsSession, event, logger) }
go
func (command S3ArtifactPublisherResource) Update(awsSession *session.Session, event *CloudFormationLambdaEvent, logger *logrus.Logger) (map[string]interface{}, error) { return command.Create(awsSession, event, logger) }
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// Update implements the S3 update operation
[ "Update", "implements", "the", "S3", "update", "operation" ]
a646ce10a6728e988448dc3f6f79cd3322854c61
https://github.com/mweagle/Sparta/blob/a646ce10a6728e988448dc3f6f79cd3322854c61/aws/cloudformation/resources/s3ArtifactPublisherResource.go#L64-L68
1,276
mweagle/Sparta
aws/cloudformation/resources/s3ArtifactPublisherResource.go
Delete
func (command S3ArtifactPublisherResource) Delete(awsSession *session.Session, event *CloudFormationLambdaEvent, logger *logrus.Logger) (map[string]interface{}, error) { unmarshalErr := json.Unmarshal(event.ResourceProperties, &command) if unmarshalErr != nil { return nil, unmarshalErr } s3DeleteObjectParams := &s3.DeleteObjectInput{ Bucket: aws.String(command.Bucket.Literal), Key: aws.String(command.Key.Literal), } s3Svc := s3.New(awsSession) _, s3ResponseErr := s3Svc.DeleteObject(s3DeleteObjectParams) if s3ResponseErr != nil { return nil, s3ResponseErr } logger.WithFields(logrus.Fields{ "Bucket": command.Bucket.Literal, "Key": command.Key.Literal, }).Info("Object deleted") return nil, nil }
go
func (command S3ArtifactPublisherResource) Delete(awsSession *session.Session, event *CloudFormationLambdaEvent, logger *logrus.Logger) (map[string]interface{}, error) { unmarshalErr := json.Unmarshal(event.ResourceProperties, &command) if unmarshalErr != nil { return nil, unmarshalErr } s3DeleteObjectParams := &s3.DeleteObjectInput{ Bucket: aws.String(command.Bucket.Literal), Key: aws.String(command.Key.Literal), } s3Svc := s3.New(awsSession) _, s3ResponseErr := s3Svc.DeleteObject(s3DeleteObjectParams) if s3ResponseErr != nil { return nil, s3ResponseErr } logger.WithFields(logrus.Fields{ "Bucket": command.Bucket.Literal, "Key": command.Key.Literal, }).Info("Object deleted") return nil, nil }
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// Delete implements the S3 delete operation
[ "Delete", "implements", "the", "S3", "delete", "operation" ]
a646ce10a6728e988448dc3f6f79cd3322854c61
https://github.com/mweagle/Sparta/blob/a646ce10a6728e988448dc3f6f79cd3322854c61/aws/cloudformation/resources/s3ArtifactPublisherResource.go#L71-L93
1,277
mweagle/Sparta
aws/s3/util.go
CreateS3RollbackFunc
func CreateS3RollbackFunc(awsSession *session.Session, s3ArtifactURL string) RollbackFunction { return func(logger *logrus.Logger) error { logger.WithFields(logrus.Fields{ "URL": s3ArtifactURL, }).Info("Deleting S3 object") artifactURLParts, artifactURLPartsErr := url.Parse(s3ArtifactURL) if nil != artifactURLPartsErr { return artifactURLPartsErr } // Bucket is the first component s3Bucket := strings.Split(artifactURLParts.Host, ".")[0] s3Client := s3.New(awsSession) params := &s3.DeleteObjectInput{ Bucket: aws.String(s3Bucket), Key: aws.String(artifactURLParts.Path), } versionID := artifactURLParts.Query().Get("versionId") if versionID != "" { params.VersionId = aws.String(versionID) } _, err := s3Client.DeleteObject(params) if err != nil { logger.WithFields(logrus.Fields{ "Error": err, }).Warn("Failed to delete S3 item during rollback cleanup") } return err } }
go
func CreateS3RollbackFunc(awsSession *session.Session, s3ArtifactURL string) RollbackFunction { return func(logger *logrus.Logger) error { logger.WithFields(logrus.Fields{ "URL": s3ArtifactURL, }).Info("Deleting S3 object") artifactURLParts, artifactURLPartsErr := url.Parse(s3ArtifactURL) if nil != artifactURLPartsErr { return artifactURLPartsErr } // Bucket is the first component s3Bucket := strings.Split(artifactURLParts.Host, ".")[0] s3Client := s3.New(awsSession) params := &s3.DeleteObjectInput{ Bucket: aws.String(s3Bucket), Key: aws.String(artifactURLParts.Path), } versionID := artifactURLParts.Query().Get("versionId") if versionID != "" { params.VersionId = aws.String(versionID) } _, err := s3Client.DeleteObject(params) if err != nil { logger.WithFields(logrus.Fields{ "Error": err, }).Warn("Failed to delete S3 item during rollback cleanup") } return err } }
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// CreateS3RollbackFunc creates an S3 rollback function that attempts to delete a previously // uploaded item. Note that s3ArtifactURL may include a `versionId` query arg // to denote the specific version to delete.
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a646ce10a6728e988448dc3f6f79cd3322854c61
https://github.com/mweagle/Sparta/blob/a646ce10a6728e988448dc3f6f79cd3322854c61/aws/s3/util.go#L26-L54
1,278
mweagle/Sparta
aws/s3/util.go
UploadLocalFileToS3
func UploadLocalFileToS3(localPath string, awsSession *session.Session, S3Bucket string, S3KeyName string, logger *logrus.Logger) (string, error) { // Then do the actual work /* #nosec */ reader, err := os.Open(localPath) if nil != err { return "", fmt.Errorf("failed to open local archive for S3 upload: %s", err.Error()) } uploadInput := &s3manager.UploadInput{ Bucket: &S3Bucket, Key: &S3KeyName, ContentType: aws.String(mime.TypeByExtension(path.Ext(localPath))), Body: reader, } // If we can get the current working directory, let's try and strip // it from the path just to keep the log statement a bit shorter logPath := localPath cwd, cwdErr := os.Getwd() if cwdErr == nil { logPath = strings.TrimPrefix(logPath, cwd) if logPath != localPath { logPath = fmt.Sprintf(".%s", logPath) } } // Binary size stat, err := os.Stat(localPath) if err != nil { return "", fmt.Errorf("failed to calculate upload size for file: %s", localPath) } logger.WithFields(logrus.Fields{ "Path": logPath, "Bucket": S3Bucket, "Key": S3KeyName, "Size": humanize.Bytes(uint64(stat.Size())), }).Info("Uploading local file to S3") uploader := s3manager.NewUploader(awsSession) result, err := uploader.Upload(uploadInput) if nil != err { return "", errors.Wrapf(err, "Failed to upload object to S3") } if result.VersionID != nil { logger.WithFields(logrus.Fields{ "URL": result.Location, "VersionID": string(*result.VersionID), }).Debug("S3 upload complete") } else { logger.WithFields(logrus.Fields{ "URL": result.Location, }).Debug("S3 upload complete") } locationURL := result.Location if nil != result.VersionID { // http://docs.aws.amazon.com/AmazonS3/latest/dev/RetrievingObjectVersions.html locationURL = fmt.Sprintf("%s?versionId=%s", locationURL, string(*result.VersionID)) } return locationURL, nil }
go
func UploadLocalFileToS3(localPath string, awsSession *session.Session, S3Bucket string, S3KeyName string, logger *logrus.Logger) (string, error) { // Then do the actual work /* #nosec */ reader, err := os.Open(localPath) if nil != err { return "", fmt.Errorf("failed to open local archive for S3 upload: %s", err.Error()) } uploadInput := &s3manager.UploadInput{ Bucket: &S3Bucket, Key: &S3KeyName, ContentType: aws.String(mime.TypeByExtension(path.Ext(localPath))), Body: reader, } // If we can get the current working directory, let's try and strip // it from the path just to keep the log statement a bit shorter logPath := localPath cwd, cwdErr := os.Getwd() if cwdErr == nil { logPath = strings.TrimPrefix(logPath, cwd) if logPath != localPath { logPath = fmt.Sprintf(".%s", logPath) } } // Binary size stat, err := os.Stat(localPath) if err != nil { return "", fmt.Errorf("failed to calculate upload size for file: %s", localPath) } logger.WithFields(logrus.Fields{ "Path": logPath, "Bucket": S3Bucket, "Key": S3KeyName, "Size": humanize.Bytes(uint64(stat.Size())), }).Info("Uploading local file to S3") uploader := s3manager.NewUploader(awsSession) result, err := uploader.Upload(uploadInput) if nil != err { return "", errors.Wrapf(err, "Failed to upload object to S3") } if result.VersionID != nil { logger.WithFields(logrus.Fields{ "URL": result.Location, "VersionID": string(*result.VersionID), }).Debug("S3 upload complete") } else { logger.WithFields(logrus.Fields{ "URL": result.Location, }).Debug("S3 upload complete") } locationURL := result.Location if nil != result.VersionID { // http://docs.aws.amazon.com/AmazonS3/latest/dev/RetrievingObjectVersions.html locationURL = fmt.Sprintf("%s?versionId=%s", locationURL, string(*result.VersionID)) } return locationURL, nil }
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// UploadLocalFileToS3 takes a local path and uploads the content at localPath // to the given S3Bucket and KeyPrefix. The final S3 keyname is the S3KeyPrefix+ // the basename of the localPath.
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a646ce10a6728e988448dc3f6f79cd3322854c61
https://github.com/mweagle/Sparta/blob/a646ce10a6728e988448dc3f6f79cd3322854c61/aws/s3/util.go#L59-L120
1,279
mweagle/Sparta
aws/s3/util.go
BucketVersioningEnabled
func BucketVersioningEnabled(awsSession *session.Session, S3Bucket string, logger *logrus.Logger) (bool, error) { s3Svc := s3.New(awsSession) params := &s3.GetBucketVersioningInput{ Bucket: aws.String(S3Bucket), // Required } versioningEnabled := false resp, err := s3Svc.GetBucketVersioning(params) if err == nil && resp != nil && resp.Status != nil { // What's the versioning policy? logger.WithFields(logrus.Fields{ "VersionPolicy": *resp, "BucketName": S3Bucket, }).Debug("Bucket version policy") versioningEnabled = (strings.ToLower(*resp.Status) == "enabled") } return versioningEnabled, err }
go
func BucketVersioningEnabled(awsSession *session.Session, S3Bucket string, logger *logrus.Logger) (bool, error) { s3Svc := s3.New(awsSession) params := &s3.GetBucketVersioningInput{ Bucket: aws.String(S3Bucket), // Required } versioningEnabled := false resp, err := s3Svc.GetBucketVersioning(params) if err == nil && resp != nil && resp.Status != nil { // What's the versioning policy? logger.WithFields(logrus.Fields{ "VersionPolicy": *resp, "BucketName": S3Bucket, }).Debug("Bucket version policy") versioningEnabled = (strings.ToLower(*resp.Status) == "enabled") } return versioningEnabled, err }
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// BucketVersioningEnabled determines if a given S3 bucket has object // versioning enabled.
[ "BucketVersioningEnabled", "determines", "if", "a", "given", "S3", "bucket", "has", "object", "versioning", "enabled", "." ]
a646ce10a6728e988448dc3f6f79cd3322854c61
https://github.com/mweagle/Sparta/blob/a646ce10a6728e988448dc3f6f79cd3322854c61/aws/s3/util.go#L124-L143
1,280
mweagle/Sparta
aws/s3/util.go
BucketRegion
func BucketRegion(awsSession *session.Session, S3Bucket string, logger *logrus.Logger) (string, error) { regionHint := "" if awsSession.Config.Region != nil { regionHint = *awsSession.Config.Region } awsContext := aws.BackgroundContext() return s3manager.GetBucketRegion(awsContext, awsSession, S3Bucket, regionHint) }
go
func BucketRegion(awsSession *session.Session, S3Bucket string, logger *logrus.Logger) (string, error) { regionHint := "" if awsSession.Config.Region != nil { regionHint = *awsSession.Config.Region } awsContext := aws.BackgroundContext() return s3manager.GetBucketRegion(awsContext, awsSession, S3Bucket, regionHint) }
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// BucketRegion returns the AWS region that hosts the bucket
[ "BucketRegion", "returns", "the", "AWS", "region", "that", "hosts", "the", "bucket" ]
a646ce10a6728e988448dc3f6f79cd3322854c61
https://github.com/mweagle/Sparta/blob/a646ce10a6728e988448dc3f6f79cd3322854c61/aws/s3/util.go#L146-L158
1,281
mweagle/Sparta
aws/step/sagemaker.go
NewSageMakerTrainingJob
func NewSageMakerTrainingJob(stateName string, parameters SageMakerTrainingJobParameters) *SageMakerTrainingJob { smtj := &SageMakerTrainingJob{ BaseTask: BaseTask{ baseInnerState: baseInnerState{ name: stateName, id: rand.Int63(), }, }, parameters: parameters, } return smtj }
go
func NewSageMakerTrainingJob(stateName string, parameters SageMakerTrainingJobParameters) *SageMakerTrainingJob { smtj := &SageMakerTrainingJob{ BaseTask: BaseTask{ baseInnerState: baseInnerState{ name: stateName, id: rand.Int63(), }, }, parameters: parameters, } return smtj }
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// NewSageMakerTrainingJob returns an initialized SQSTaskState
[ "NewSageMakerTrainingJob", "returns", "an", "initialized", "SQSTaskState" ]
a646ce10a6728e988448dc3f6f79cd3322854c61
https://github.com/mweagle/Sparta/blob/a646ce10a6728e988448dc3f6f79cd3322854c61/aws/step/sagemaker.go#L56-L68
1,282
mweagle/Sparta
aws/step/sagemaker.go
NewSageMakerTransformJob
func NewSageMakerTransformJob(stateName string, parameters SageMakerTransformJobParameters) *SageMakerTransformJob { sns := &SageMakerTransformJob{ BaseTask: BaseTask{ baseInnerState: baseInnerState{ name: stateName, id: rand.Int63(), }, }, parameters: parameters, } return sns }
go
func NewSageMakerTransformJob(stateName string, parameters SageMakerTransformJobParameters) *SageMakerTransformJob { sns := &SageMakerTransformJob{ BaseTask: BaseTask{ baseInnerState: baseInnerState{ name: stateName, id: rand.Int63(), }, }, parameters: parameters, } return sns }
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// NewSageMakerTransformJob returns an initialized SQSTaskState
[ "NewSageMakerTransformJob", "returns", "an", "initialized", "SQSTaskState" ]
a646ce10a6728e988448dc3f6f79cd3322854c61
https://github.com/mweagle/Sparta/blob/a646ce10a6728e988448dc3f6f79cd3322854c61/aws/step/sagemaker.go#L110-L122
1,283
mweagle/Sparta
decorator/safe_deploy.go
codeDeployLambdaUpdateDecorator
func codeDeployLambdaUpdateDecorator(updateType string, codeDeployApplicationName string, codeDeployRoleName string) sparta.TemplateDecorator { return func(serviceName string, lambdaResourceName string, lambdaResource gocf.LambdaFunction, resourceMetadata map[string]interface{}, S3Bucket string, S3Key string, buildID string, template *gocf.Template, context map[string]interface{}, logger *logrus.Logger) error { safeDeployResourceName := func(resType string) string { return sparta.CloudFormationResourceName(serviceName, lambdaResourceName, resType) } // Create the AWS::Lambda::Version, with DeletionPolicy=Retain versionResourceName := safeDeployResourceName("version" + buildID) versionResource := &gocf.LambdaVersion{ FunctionName: gocf.Ref(lambdaResourceName).String(), } entry := template.AddResource(versionResourceName, versionResource) entry.DeletionPolicy = "Retain" // Create the AWS::CodeDeploy::DeploymentGroup entry that includes a reference // to the IAM role codeDeploymentGroupResourceName := safeDeployResourceName("deploymentGroup") codeDeploymentGroup := &gocf.CodeDeployDeploymentGroup{ ApplicationName: gocf.Ref(codeDeployApplicationName).String(), AutoRollbackConfiguration: &gocf.CodeDeployDeploymentGroupAutoRollbackConfiguration{ Enabled: gocf.Bool(true), Events: gocf.StringList(gocf.String("DEPLOYMENT_FAILURE"), gocf.String("DEPLOYMENT_STOP_ON_ALARM"), gocf.String("DEPLOYMENT_STOP_ON_REQUEST")), }, ServiceRoleArn: gocf.GetAtt(codeDeployRoleName, "Arn"), DeploymentConfigName: gocf.String(fmt.Sprintf("CodeDeployDefault.Lambda%s", updateType)), DeploymentStyle: &gocf.CodeDeployDeploymentGroupDeploymentStyle{ DeploymentType: gocf.String("BLUE_GREEN"), DeploymentOption: gocf.String("WITH_TRAFFIC_CONTROL"), }, } template.AddResource(codeDeploymentGroupResourceName, codeDeploymentGroup) // Create the Alias entry... aliasResourceName := safeDeployResourceName("alias") aliasResource := &gocf.LambdaAlias{ FunctionVersion: gocf.GetAtt(versionResourceName, "Version").String(), FunctionName: gocf.Ref(lambdaResourceName).String(), Name: gocf.String("live"), } aliasEntry := template.AddResource(aliasResourceName, aliasResource) aliasEntry.UpdatePolicy = &gocf.UpdatePolicy{ CodeDeployLambdaAliasUpdate: &gocf.UpdatePolicyCodeDeployLambdaAliasUpdate{ ApplicationName: gocf.Ref(codeDeployApplicationName).String(), DeploymentGroupName: gocf.Ref(codeDeploymentGroupResourceName).String(), }, } return nil } }
go
func codeDeployLambdaUpdateDecorator(updateType string, codeDeployApplicationName string, codeDeployRoleName string) sparta.TemplateDecorator { return func(serviceName string, lambdaResourceName string, lambdaResource gocf.LambdaFunction, resourceMetadata map[string]interface{}, S3Bucket string, S3Key string, buildID string, template *gocf.Template, context map[string]interface{}, logger *logrus.Logger) error { safeDeployResourceName := func(resType string) string { return sparta.CloudFormationResourceName(serviceName, lambdaResourceName, resType) } // Create the AWS::Lambda::Version, with DeletionPolicy=Retain versionResourceName := safeDeployResourceName("version" + buildID) versionResource := &gocf.LambdaVersion{ FunctionName: gocf.Ref(lambdaResourceName).String(), } entry := template.AddResource(versionResourceName, versionResource) entry.DeletionPolicy = "Retain" // Create the AWS::CodeDeploy::DeploymentGroup entry that includes a reference // to the IAM role codeDeploymentGroupResourceName := safeDeployResourceName("deploymentGroup") codeDeploymentGroup := &gocf.CodeDeployDeploymentGroup{ ApplicationName: gocf.Ref(codeDeployApplicationName).String(), AutoRollbackConfiguration: &gocf.CodeDeployDeploymentGroupAutoRollbackConfiguration{ Enabled: gocf.Bool(true), Events: gocf.StringList(gocf.String("DEPLOYMENT_FAILURE"), gocf.String("DEPLOYMENT_STOP_ON_ALARM"), gocf.String("DEPLOYMENT_STOP_ON_REQUEST")), }, ServiceRoleArn: gocf.GetAtt(codeDeployRoleName, "Arn"), DeploymentConfigName: gocf.String(fmt.Sprintf("CodeDeployDefault.Lambda%s", updateType)), DeploymentStyle: &gocf.CodeDeployDeploymentGroupDeploymentStyle{ DeploymentType: gocf.String("BLUE_GREEN"), DeploymentOption: gocf.String("WITH_TRAFFIC_CONTROL"), }, } template.AddResource(codeDeploymentGroupResourceName, codeDeploymentGroup) // Create the Alias entry... aliasResourceName := safeDeployResourceName("alias") aliasResource := &gocf.LambdaAlias{ FunctionVersion: gocf.GetAtt(versionResourceName, "Version").String(), FunctionName: gocf.Ref(lambdaResourceName).String(), Name: gocf.String("live"), } aliasEntry := template.AddResource(aliasResourceName, aliasResource) aliasEntry.UpdatePolicy = &gocf.UpdatePolicy{ CodeDeployLambdaAliasUpdate: &gocf.UpdatePolicyCodeDeployLambdaAliasUpdate{ ApplicationName: gocf.Ref(codeDeployApplicationName).String(), DeploymentGroupName: gocf.Ref(codeDeploymentGroupResourceName).String(), }, } return nil } }
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// codeDeployLambdaUpdateDecorator is the per-function decorator // that adds the necessary information for CodeDeploy
[ "codeDeployLambdaUpdateDecorator", "is", "the", "per", "-", "function", "decorator", "that", "adds", "the", "necessary", "information", "for", "CodeDeploy" ]
a646ce10a6728e988448dc3f6f79cd3322854c61
https://github.com/mweagle/Sparta/blob/a646ce10a6728e988448dc3f6f79cd3322854c61/decorator/safe_deploy.go#L14-L76
1,284
mweagle/Sparta
aws/step/glue.go
NewGlueState
func NewGlueState(stateName string, parameters GlueParameters) *GlueState { sns := &GlueState{ BaseTask: BaseTask{ baseInnerState: baseInnerState{ name: stateName, id: rand.Int63(), }, }, parameters: parameters, } return sns }
go
func NewGlueState(stateName string, parameters GlueParameters) *GlueState { sns := &GlueState{ BaseTask: BaseTask{ baseInnerState: baseInnerState{ name: stateName, id: rand.Int63(), }, }, parameters: parameters, } return sns }
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// NewGlueState returns an initialized GlueState
[ "NewGlueState", "returns", "an", "initialized", "GlueState" ]
a646ce10a6728e988448dc3f6f79cd3322854c61
https://github.com/mweagle/Sparta/blob/a646ce10a6728e988448dc3f6f79cd3322854c61/aws/step/glue.go#L37-L50
1,285
mwitkow/go-conntrack
listener_wrapper.go
TrackWithTcpKeepAlive
func TrackWithTcpKeepAlive(keepalive time.Duration) listenerOpt { return func(opts *listenerOpts) { opts.tcpKeepAlive = keepalive } }
go
func TrackWithTcpKeepAlive(keepalive time.Duration) listenerOpt { return func(opts *listenerOpts) { opts.tcpKeepAlive = keepalive } }
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// TrackWithTcpKeepAlive makes sure that any `net.TCPConn` that get accepted have a keep-alive. // This is useful for HTTP servers in order for, for example laptops, to not use up resources on the // server while they don't utilise their connection. // A value of 0 disables it.
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cc309e4a22231782e8893f3c35ced0967807a33e
https://github.com/mwitkow/go-conntrack/blob/cc309e4a22231782e8893f3c35ced0967807a33e/listener_wrapper.go#L54-L58
1,286
mwitkow/go-conntrack
listener_wrapper.go
NewListener
func NewListener(inner net.Listener, optFuncs ...listenerOpt) net.Listener { opts := &listenerOpts{ name: defaultName, monitoring: true, tracing: false, } for _, f := range optFuncs { f(opts) } if opts.monitoring { preRegisterListenerMetrics(opts.name) } return &connTrackListener{ Listener: inner, opts: opts, } }
go
func NewListener(inner net.Listener, optFuncs ...listenerOpt) net.Listener { opts := &listenerOpts{ name: defaultName, monitoring: true, tracing: false, } for _, f := range optFuncs { f(opts) } if opts.monitoring { preRegisterListenerMetrics(opts.name) } return &connTrackListener{ Listener: inner, opts: opts, } }
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// NewListener returns the given listener wrapped in connection tracking listener.
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cc309e4a22231782e8893f3c35ced0967807a33e
https://github.com/mwitkow/go-conntrack/blob/cc309e4a22231782e8893f3c35ced0967807a33e/listener_wrapper.go#L66-L82
1,287
mwitkow/go-conntrack
connhelpers/tls.go
TlsConfigWithHttp2Enabled
func TlsConfigWithHttp2Enabled(config *tls.Config) (*tls.Config, error) { // mostly based on http2 code in the standards library. if config.CipherSuites != nil { // If they already provided a CipherSuite list, return // an error if it has a bad order or is missing // ECDHE_RSA_WITH_AES_128_GCM_SHA256. const requiredCipher = tls.TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 haveRequired := false for _, cs := range config.CipherSuites { if cs == requiredCipher { haveRequired = true } } if !haveRequired { return nil, fmt.Errorf("http2: TLSConfig.CipherSuites is missing HTTP/2-required TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256") } } config.PreferServerCipherSuites = true haveNPN := false for _, p := range config.NextProtos { if p == "h2" { haveNPN = true break } } if !haveNPN { config.NextProtos = append(config.NextProtos, "h2") } config.NextProtos = append(config.NextProtos, "h2-14") // make sure http 1.1 is *after* all of the other ones. config.NextProtos = append(config.NextProtos, "http/1.1") return config, nil }
go
func TlsConfigWithHttp2Enabled(config *tls.Config) (*tls.Config, error) { // mostly based on http2 code in the standards library. if config.CipherSuites != nil { // If they already provided a CipherSuite list, return // an error if it has a bad order or is missing // ECDHE_RSA_WITH_AES_128_GCM_SHA256. const requiredCipher = tls.TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 haveRequired := false for _, cs := range config.CipherSuites { if cs == requiredCipher { haveRequired = true } } if !haveRequired { return nil, fmt.Errorf("http2: TLSConfig.CipherSuites is missing HTTP/2-required TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256") } } config.PreferServerCipherSuites = true haveNPN := false for _, p := range config.NextProtos { if p == "h2" { haveNPN = true break } } if !haveNPN { config.NextProtos = append(config.NextProtos, "h2") } config.NextProtos = append(config.NextProtos, "h2-14") // make sure http 1.1 is *after* all of the other ones. config.NextProtos = append(config.NextProtos, "http/1.1") return config, nil }
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// TlsConfigWithHttp2Enabled makes it easy to configure the given `tls.Config` to prefer H2 connections. // This is useful if you can't use `http.ListenAndServerTLS` when using a custom `net.Listener`.
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cc309e4a22231782e8893f3c35ced0967807a33e
https://github.com/mwitkow/go-conntrack/blob/cc309e4a22231782e8893f3c35ced0967807a33e/connhelpers/tls.go#L26-L60
1,288
mwitkow/go-conntrack
dialer_reporter.go
PreRegisterDialerMetrics
func PreRegisterDialerMetrics(dialerName string) { dialerAttemptedTotal.WithLabelValues(dialerName) dialerConnEstablishedTotal.WithLabelValues(dialerName) for _, reason := range []failureReason{failedTimeout, failedResolution, failedConnRefused, failedUnknown} { dialerConnFailedTotal.WithLabelValues(dialerName, string(reason)) } dialerConnClosedTotal.WithLabelValues(dialerName) }
go
func PreRegisterDialerMetrics(dialerName string) { dialerAttemptedTotal.WithLabelValues(dialerName) dialerConnEstablishedTotal.WithLabelValues(dialerName) for _, reason := range []failureReason{failedTimeout, failedResolution, failedConnRefused, failedUnknown} { dialerConnFailedTotal.WithLabelValues(dialerName, string(reason)) } dialerConnClosedTotal.WithLabelValues(dialerName) }
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// preRegisterDialerMetrics pre-populates Prometheus labels for the given dialer name, to avoid Prometheus missing labels issue.
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cc309e4a22231782e8893f3c35ced0967807a33e
https://github.com/mwitkow/go-conntrack/blob/cc309e4a22231782e8893f3c35ced0967807a33e/dialer_reporter.go#L66-L73
1,289
mwitkow/go-conntrack
dialer_wrapper.go
DialNameFromContext
func DialNameFromContext(ctx context.Context) string { val, ok := ctx.Value(dialerNameKey).(string) if !ok { return "" } return val }
go
func DialNameFromContext(ctx context.Context) string { val, ok := ctx.Value(dialerNameKey).(string) if !ok { return "" } return val }
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// DialNameFromContext returns the name of the dialer from the context of the DialContext func, if any.
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cc309e4a22231782e8893f3c35ced0967807a33e
https://github.com/mwitkow/go-conntrack/blob/cc309e4a22231782e8893f3c35ced0967807a33e/dialer_wrapper.go#L66-L72
1,290
mwitkow/go-conntrack
dialer_wrapper.go
DialNameToContext
func DialNameToContext(ctx context.Context, dialerName string) context.Context { return context.WithValue(ctx, dialerNameKey, dialerName) }
go
func DialNameToContext(ctx context.Context, dialerName string) context.Context { return context.WithValue(ctx, dialerNameKey, dialerName) }
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// DialNameToContext returns a context that will contain a dialer name override.
[ "DialNameToContext", "returns", "a", "context", "that", "will", "contain", "a", "dialer", "name", "override", "." ]
cc309e4a22231782e8893f3c35ced0967807a33e
https://github.com/mwitkow/go-conntrack/blob/cc309e4a22231782e8893f3c35ced0967807a33e/dialer_wrapper.go#L75-L77
1,291
mwitkow/go-conntrack
dialer_wrapper.go
NewDialContextFunc
func NewDialContextFunc(optFuncs ...dialerOpt) func(context.Context, string, string) (net.Conn, error) { opts := &dialerOpts{name: defaultName, monitoring: true, parentDialContextFunc: (&net.Dialer{}).DialContext} for _, f := range optFuncs { f(opts) } if opts.monitoring { PreRegisterDialerMetrics(opts.name) } return func(ctx context.Context, network string, addr string) (net.Conn, error) { name := opts.name if ctxName := DialNameFromContext(ctx); ctxName != "" { name = ctxName } return dialClientConnTracker(ctx, network, addr, name, opts) } }
go
func NewDialContextFunc(optFuncs ...dialerOpt) func(context.Context, string, string) (net.Conn, error) { opts := &dialerOpts{name: defaultName, monitoring: true, parentDialContextFunc: (&net.Dialer{}).DialContext} for _, f := range optFuncs { f(opts) } if opts.monitoring { PreRegisterDialerMetrics(opts.name) } return func(ctx context.Context, network string, addr string) (net.Conn, error) { name := opts.name if ctxName := DialNameFromContext(ctx); ctxName != "" { name = ctxName } return dialClientConnTracker(ctx, network, addr, name, opts) } }
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// NewDialContextFunc returns a `DialContext` function that tracks outbound connections. // The signature is compatible with `http.Tranport.DialContext` and is meant to be used there.
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cc309e4a22231782e8893f3c35ced0967807a33e
https://github.com/mwitkow/go-conntrack/blob/cc309e4a22231782e8893f3c35ced0967807a33e/dialer_wrapper.go#L81-L96
1,292
mwitkow/go-conntrack
dialer_wrapper.go
NewDialFunc
func NewDialFunc(optFuncs ...dialerOpt) func(string, string) (net.Conn, error) { dialContextFunc := NewDialContextFunc(optFuncs...) return func(network string, addr string) (net.Conn, error) { return dialContextFunc(context.TODO(), network, addr) } }
go
func NewDialFunc(optFuncs ...dialerOpt) func(string, string) (net.Conn, error) { dialContextFunc := NewDialContextFunc(optFuncs...) return func(network string, addr string) (net.Conn, error) { return dialContextFunc(context.TODO(), network, addr) } }
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// NewDialFunc returns a `Dial` function that tracks outbound connections. // The signature is compatible with `http.Tranport.Dial` and is meant to be used there for Go < 1.7.
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cc309e4a22231782e8893f3c35ced0967807a33e
https://github.com/mwitkow/go-conntrack/blob/cc309e4a22231782e8893f3c35ced0967807a33e/dialer_wrapper.go#L100-L105
1,293
lox/httpcache
cache.go
NewVFSCache
func NewVFSCache(fs vfs.VFS) Cache { return &cache{fs: fs, stale: map[string]time.Time{}} }
go
func NewVFSCache(fs vfs.VFS) Cache { return &cache{fs: fs, stale: map[string]time.Time{}} }
[ "func", "NewVFSCache", "(", "fs", "vfs", ".", "VFS", ")", "Cache", "{", "return", "&", "cache", "{", "fs", ":", "fs", ",", "stale", ":", "map", "[", "string", "]", "time", ".", "Time", "{", "}", "}", "\n", "}" ]
// NewCache returns a cache backend off the provided VFS
[ "NewCache", "returns", "a", "cache", "backend", "off", "the", "provided", "VFS" ]
2de7d84cb2513697e071961c5a5a81060c4382b5
https://github.com/lox/httpcache/blob/2de7d84cb2513697e071961c5a5a81060c4382b5/cache.go#L53-L55
1,294
lox/httpcache
cache.go
NewDiskCache
func NewDiskCache(dir string) (Cache, error) { if err := os.MkdirAll(dir, 0777); err != nil { return nil, err } fs, err := vfs.FS(dir) if err != nil { return nil, err } chfs, err := vfs.Chroot("/", fs) if err != nil { return nil, err } return NewVFSCache(chfs), nil }
go
func NewDiskCache(dir string) (Cache, error) { if err := os.MkdirAll(dir, 0777); err != nil { return nil, err } fs, err := vfs.FS(dir) if err != nil { return nil, err } chfs, err := vfs.Chroot("/", fs) if err != nil { return nil, err } return NewVFSCache(chfs), nil }
[ "func", "NewDiskCache", "(", "dir", "string", ")", "(", "Cache", ",", "error", ")", "{", "if", "err", ":=", "os", ".", "MkdirAll", "(", "dir", ",", "0777", ")", ";", "err", "!=", "nil", "{", "return", "nil", ",", "err", "\n", "}", "\n", "fs", ",", "err", ":=", "vfs", ".", "FS", "(", "dir", ")", "\n", "if", "err", "!=", "nil", "{", "return", "nil", ",", "err", "\n", "}", "\n", "chfs", ",", "err", ":=", "vfs", ".", "Chroot", "(", "\"", "\"", ",", "fs", ")", "\n", "if", "err", "!=", "nil", "{", "return", "nil", ",", "err", "\n", "}", "\n", "return", "NewVFSCache", "(", "chfs", ")", ",", "nil", "\n", "}" ]
// NewDiskCache returns a disk-backed cache
[ "NewDiskCache", "returns", "a", "disk", "-", "backed", "cache" ]
2de7d84cb2513697e071961c5a5a81060c4382b5
https://github.com/lox/httpcache/blob/2de7d84cb2513697e071961c5a5a81060c4382b5/cache.go#L63-L76
1,295
lox/httpcache
cache.go
Header
func (c *cache) Header(key string) (Header, error) { path := headerPrefix + formatPrefix + hashKey(key) f, err := c.fs.Open(path) if err != nil { if vfs.IsNotExist(err) { return Header{}, ErrNotFoundInCache } return Header{}, err } return readHeaders(bufio.NewReader(f)) }
go
func (c *cache) Header(key string) (Header, error) { path := headerPrefix + formatPrefix + hashKey(key) f, err := c.fs.Open(path) if err != nil { if vfs.IsNotExist(err) { return Header{}, ErrNotFoundInCache } return Header{}, err } return readHeaders(bufio.NewReader(f)) }
[ "func", "(", "c", "*", "cache", ")", "Header", "(", "key", "string", ")", "(", "Header", ",", "error", ")", "{", "path", ":=", "headerPrefix", "+", "formatPrefix", "+", "hashKey", "(", "key", ")", "\n", "f", ",", "err", ":=", "c", ".", "fs", ".", "Open", "(", "path", ")", "\n", "if", "err", "!=", "nil", "{", "if", "vfs", ".", "IsNotExist", "(", "err", ")", "{", "return", "Header", "{", "}", ",", "ErrNotFoundInCache", "\n", "}", "\n", "return", "Header", "{", "}", ",", "err", "\n", "}", "\n\n", "return", "readHeaders", "(", "bufio", ".", "NewReader", "(", "f", ")", ")", "\n", "}" ]
// Retrieve the Status and Headers for a given key path
[ "Retrieve", "the", "Status", "and", "Headers", "for", "a", "given", "key", "path" ]
2de7d84cb2513697e071961c5a5a81060c4382b5
https://github.com/lox/httpcache/blob/2de7d84cb2513697e071961c5a5a81060c4382b5/cache.go#L94-L105
1,296
lox/httpcache
cache.go
Store
func (c *cache) Store(res *Resource, keys ...string) error { var buf = &bytes.Buffer{} if length, err := strconv.ParseInt(res.Header().Get("Content-Length"), 10, 64); err == nil { if _, err = io.CopyN(buf, res, length); err != nil { return err } } else if _, err = io.Copy(buf, res); err != nil { return err } for _, key := range keys { delete(c.stale, key) if err := c.storeBody(buf, key); err != nil { return err } if err := c.storeHeader(res.Status(), res.Header(), key); err != nil { return err } } return nil }
go
func (c *cache) Store(res *Resource, keys ...string) error { var buf = &bytes.Buffer{} if length, err := strconv.ParseInt(res.Header().Get("Content-Length"), 10, 64); err == nil { if _, err = io.CopyN(buf, res, length); err != nil { return err } } else if _, err = io.Copy(buf, res); err != nil { return err } for _, key := range keys { delete(c.stale, key) if err := c.storeBody(buf, key); err != nil { return err } if err := c.storeHeader(res.Status(), res.Header(), key); err != nil { return err } } return nil }
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// Store a resource against a number of keys
[ "Store", "a", "resource", "against", "a", "number", "of", "keys" ]
2de7d84cb2513697e071961c5a5a81060c4382b5
https://github.com/lox/httpcache/blob/2de7d84cb2513697e071961c5a5a81060c4382b5/cache.go#L108-L132
1,297
lox/httpcache
cache.go
Retrieve
func (c *cache) Retrieve(key string) (*Resource, error) { f, err := c.fs.Open(bodyPrefix + formatPrefix + hashKey(key)) if err != nil { if vfs.IsNotExist(err) { return nil, ErrNotFoundInCache } return nil, err } h, err := c.Header(key) if err != nil { if vfs.IsNotExist(err) { return nil, ErrNotFoundInCache } return nil, err } res := NewResource(h.StatusCode, f, h.Header) if staleTime, exists := c.stale[key]; exists { if !res.DateAfter(staleTime) { log.Printf("stale marker of %s found", staleTime) res.MarkStale() } } return res, nil }
go
func (c *cache) Retrieve(key string) (*Resource, error) { f, err := c.fs.Open(bodyPrefix + formatPrefix + hashKey(key)) if err != nil { if vfs.IsNotExist(err) { return nil, ErrNotFoundInCache } return nil, err } h, err := c.Header(key) if err != nil { if vfs.IsNotExist(err) { return nil, ErrNotFoundInCache } return nil, err } res := NewResource(h.StatusCode, f, h.Header) if staleTime, exists := c.stale[key]; exists { if !res.DateAfter(staleTime) { log.Printf("stale marker of %s found", staleTime) res.MarkStale() } } return res, nil }
[ "func", "(", "c", "*", "cache", ")", "Retrieve", "(", "key", "string", ")", "(", "*", "Resource", ",", "error", ")", "{", "f", ",", "err", ":=", "c", ".", "fs", ".", "Open", "(", "bodyPrefix", "+", "formatPrefix", "+", "hashKey", "(", "key", ")", ")", "\n", "if", "err", "!=", "nil", "{", "if", "vfs", ".", "IsNotExist", "(", "err", ")", "{", "return", "nil", ",", "ErrNotFoundInCache", "\n", "}", "\n", "return", "nil", ",", "err", "\n", "}", "\n", "h", ",", "err", ":=", "c", ".", "Header", "(", "key", ")", "\n", "if", "err", "!=", "nil", "{", "if", "vfs", ".", "IsNotExist", "(", "err", ")", "{", "return", "nil", ",", "ErrNotFoundInCache", "\n", "}", "\n", "return", "nil", ",", "err", "\n", "}", "\n", "res", ":=", "NewResource", "(", "h", ".", "StatusCode", ",", "f", ",", "h", ".", "Header", ")", "\n", "if", "staleTime", ",", "exists", ":=", "c", ".", "stale", "[", "key", "]", ";", "exists", "{", "if", "!", "res", ".", "DateAfter", "(", "staleTime", ")", "{", "log", ".", "Printf", "(", "\"", "\"", ",", "staleTime", ")", "\n", "res", ".", "MarkStale", "(", ")", "\n", "}", "\n", "}", "\n", "return", "res", ",", "nil", "\n", "}" ]
// Retrieve returns a cached Resource for the given key
[ "Retrieve", "returns", "a", "cached", "Resource", "for", "the", "given", "key" ]
2de7d84cb2513697e071961c5a5a81060c4382b5
https://github.com/lox/httpcache/blob/2de7d84cb2513697e071961c5a5a81060c4382b5/cache.go#L153-L176
1,298
lox/httpcache
handler.go
freshness
func (h *Handler) freshness(res *Resource, r *cacheRequest) (time.Duration, error) { maxAge, err := res.MaxAge(h.Shared) if err != nil { return time.Duration(0), err } if r.CacheControl.Has("max-age") { reqMaxAge, err := r.CacheControl.Duration("max-age") if err != nil { return time.Duration(0), err } if reqMaxAge < maxAge { debugf("using request max-age of %s", reqMaxAge.String()) maxAge = reqMaxAge } } age, err := res.Age() if err != nil { return time.Duration(0), err } if res.IsStale() { return time.Duration(0), nil } if hFresh := res.HeuristicFreshness(); hFresh > maxAge { debugf("using heuristic freshness of %q", hFresh) maxAge = hFresh } return maxAge - age, nil }
go
func (h *Handler) freshness(res *Resource, r *cacheRequest) (time.Duration, error) { maxAge, err := res.MaxAge(h.Shared) if err != nil { return time.Duration(0), err } if r.CacheControl.Has("max-age") { reqMaxAge, err := r.CacheControl.Duration("max-age") if err != nil { return time.Duration(0), err } if reqMaxAge < maxAge { debugf("using request max-age of %s", reqMaxAge.String()) maxAge = reqMaxAge } } age, err := res.Age() if err != nil { return time.Duration(0), err } if res.IsStale() { return time.Duration(0), nil } if hFresh := res.HeuristicFreshness(); hFresh > maxAge { debugf("using heuristic freshness of %q", hFresh) maxAge = hFresh } return maxAge - age, nil }
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// freshness returns the duration that a requested resource will be fresh for
[ "freshness", "returns", "the", "duration", "that", "a", "requested", "resource", "will", "be", "fresh", "for" ]
2de7d84cb2513697e071961c5a5a81060c4382b5
https://github.com/lox/httpcache/blob/2de7d84cb2513697e071961c5a5a81060c4382b5/handler.go#L131-L164
1,299
lox/httpcache
handler.go
pipeUpstream
func (h *Handler) pipeUpstream(w http.ResponseWriter, r *cacheRequest) { rw := newResponseStreamer(w) rdr, err := rw.Stream.NextReader() if err != nil { debugf("error creating next stream reader: %v", err) w.Header().Set(CacheHeader, "SKIP") h.upstream.ServeHTTP(w, r.Request) return } defer rdr.Close() debugf("piping request upstream") go func() { h.upstream.ServeHTTP(rw, r.Request) rw.Stream.Close() }() rw.WaitHeaders() if r.Method != "HEAD" && !r.isStateChanging() { return } res := rw.Resource() defer res.Close() if r.Method == "HEAD" { h.cache.Freshen(res, r.Key.ForMethod("GET").String()) } else if res.IsNonErrorStatus() { h.invalidateResource(res, r) } }
go
func (h *Handler) pipeUpstream(w http.ResponseWriter, r *cacheRequest) { rw := newResponseStreamer(w) rdr, err := rw.Stream.NextReader() if err != nil { debugf("error creating next stream reader: %v", err) w.Header().Set(CacheHeader, "SKIP") h.upstream.ServeHTTP(w, r.Request) return } defer rdr.Close() debugf("piping request upstream") go func() { h.upstream.ServeHTTP(rw, r.Request) rw.Stream.Close() }() rw.WaitHeaders() if r.Method != "HEAD" && !r.isStateChanging() { return } res := rw.Resource() defer res.Close() if r.Method == "HEAD" { h.cache.Freshen(res, r.Key.ForMethod("GET").String()) } else if res.IsNonErrorStatus() { h.invalidateResource(res, r) } }
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// pipeUpstream makes the request via the upstream handler, the response is not stored or modified
[ "pipeUpstream", "makes", "the", "request", "via", "the", "upstream", "handler", "the", "response", "is", "not", "stored", "or", "modified" ]
2de7d84cb2513697e071961c5a5a81060c4382b5
https://github.com/lox/httpcache/blob/2de7d84cb2513697e071961c5a5a81060c4382b5/handler.go#L206-L236