Repository: go-kratos/kratos
Pull request #2244 (2022-07-29 04:06:03)

feat(log): add tencent cls
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#### Description (what this PR does / why we need it):
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this pr is a new feature.Add tencent cls log server.


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Germiniku: Now i fix these problems.

Patch:
diff --git a/contrib/log/tencent/go.mod b/contrib/log/tencent/go.mod
new file mode 100644
index 00000000..feb39f17
--- /dev/null
+++ b/contrib/log/tencent/go.mod
@@ -0,0 +1,9 @@
+module github.com/go-kratos/kratos/contrib/log/tencent/v2
+
+go 1.16
+
+require (
+	github.com/go-kratos/kratos/v2 v2.4.1
+	github.com/tencentcloud/tencentcloud-cls-sdk-go v1.0.2
+	google.golang.org/protobuf v1.28.0
+)
diff --git a/contrib/log/tencent/go.sum b/contrib/log/tencent/go.sum
new file mode 100644
index 00000000..b4b87442
--- /dev/null
+++ b/contrib/log/tencent/go.sum
@@ -0,0 +1,189 @@
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diff --git a/contrib/log/tencent/tencent.go b/contrib/log/tencent/tencent.go
new file mode 100644
index 00000000..5d7267f2
--- /dev/null
+++ b/contrib/log/tencent/tencent.go
@@ -0,0 +1,155 @@
+package tencent
+
+import (
+	"encoding/json"
+	"fmt"
+	"strconv"
+	"time"
+
+	log "github.com/go-kratos/kratos/v2/log"
+	cls "github.com/tencentcloud/tencentcloud-cls-sdk-go"
+	"google.golang.org/protobuf/proto"
+)
+
+type Logger interface {
+	log.Logger
+	GetProducer() *cls.AsyncProducerClient
+
+	Close() error
+}
+
+type tencentLog struct {
+	producer *cls.AsyncProducerClient
+	opts     *options
+}
+
+func (log *tencentLog) GetProducer() *cls.AsyncProducerClient {
+	return log.producer
+}
+
+type options struct {
+	topicID      string
+	accessKey    string
+	accessSecret string
+	endpoint     string
+}
+
+func defaultOptions() *options {
+	return &options{}
+}
+
+func WithEndpoint(endpoint string) Option {
+	return func(cls *options) {
+		cls.endpoint = endpoint
+	}
+}
+
+func WithTopicID(topicID string) Option {
+	return func(cls *options) {
+		cls.topicID = topicID
+	}
+}
+
+func WithAccessKey(ak string) Option {
+	return func(cls *options) {
+		cls.accessKey = ak
+	}
+}
+
+func WithAccessSecret(as string) Option {
+	return func(cls *options) {
+		cls.accessSecret = as
+	}
+}
+
+type Option func(cls *options)
+
+func (log *tencentLog) Close() error {
+	err := log.producer.Close(5000)
+	return err
+}
+
+func (log *tencentLog) Log(level log.Level, keyvals ...interface{}) error {
+	buf := level.String()
+	levelTitle := "level"
+	contents := make([]*cls.Log_Content, 0)
+
+	contents = append(contents, &cls.Log_Content{
+		Key:   &levelTitle,
+		Value: &buf,
+	})
+	for i := 0; i < len(keyvals); i += 2 {
+		key := toString(keyvals[i])
+		value := toString(keyvals[i+1])
+		contents = append(contents, &cls.Log_Content{
+			Key:   &key,
+			Value: &value,
+		})
+	}
+
+	logInst := &cls.Log{
+		Time:     proto.Int64(time.Now().Unix()),
+		Contents: contents,
+	}
+	err := log.producer.SendLog(log.opts.topicID, logInst, nil)
+	return err
+}
+
+func NewLogger(options ...Option) (Logger, error) {
+	opts := defaultOptions()
+	for _, o := range options {
+		o(opts)
+	}
+	producerConfig := cls.GetDefaultAsyncProducerClientConfig()
+	producerConfig.AccessKeyID = opts.accessKey
+	producerConfig.AccessKeySecret = opts.accessSecret
+	producerConfig.Endpoint = opts.endpoint
+	producerInst, err := cls.NewAsyncProducerClient(producerConfig)
+	if err != nil {
+		return nil, err
+	}
+	return &tencentLog{
+		producer: producerInst,
+		opts:     opts,
+	}, nil
+}
+
+// toString any type to string
+func toString(v interface{}) string {
+	var key string
+	if v == nil {
+		return key
+	}
+	switch v := v.(type) {
+	case float64:
+		key = strconv.FormatFloat(v, 'f', -1, 64)
+	case float32:
+		key = strconv.FormatFloat(float64(v), 'f', -1, 64)
+	case int:
+		key = strconv.Itoa(v)
+	case uint:
+		key = strconv.Itoa(int(v))
+	case int8:
+		key = strconv.Itoa(int(v))
+	case uint8:
+		key = strconv.Itoa(int(v))
+	case int16:
+		key = strconv.Itoa(int(v))
+	case uint16:
+		key = strconv.Itoa(int(v))
+	case int32:
+		key = strconv.Itoa(int(v))
+	case uint32:
+		key = strconv.Itoa(int(v))
+	case int64:
+		key = strconv.FormatInt(v, 10)
+	case uint64:
+		key = strconv.FormatUint(v, 10)
+	case fmt.Stringer:
+		key = v.String()
+	default:
+		newValue, _ := json.Marshal(v)
+		key = string(newValue)
+	}
+	return key
+}
diff --git a/contrib/registry/zookeeper/register.go b/contrib/registry/zookeeper/register.go
index a9de43c8..771a5bbc 100644
--- a/contrib/registry/zookeeper/register.go
+++ b/contrib/registry/zookeeper/register.go
@@ -135,12 +135,20 @@ func (r *Registry) Watch(ctx context.Context, serviceName string) (registry.Watc
 
 // ensureName ensure node exists, if not exist, create and set data
 func (r *Registry) ensureName(path string, data []byte, flags int32) error {
-	exists, _, err := r.conn.Exists(path)
+	exists, stat, err := r.conn.Exists(path)
 	if err != nil {
 		return err
 	}
+	// ephemeral nodes handling after restart
+	// fixes a race condition if the server crashes without using CreateProtectedEphemeralSequential()
+	if flags&zk.FlagEphemeral == zk.FlagEphemeral {
+		err = r.conn.Delete(path, stat.Version)
+		if err != nil && err != zk.ErrNoNode {
+			return err
+		}
+		exists = false
+	}
 	if !exists {
-		var err error
 		if len(r.opts.user) > 0 && len(r.opts.password) > 0 {
 			_, err = r.conn.Create(path, data, flags, zk.DigestACL(zk.PermAll, r.opts.user, r.opts.password))
 		} else {


Test patch:
diff --git a/contrib/log/tencent/tencent_test.go b/contrib/log/tencent/tencent_test.go
new file mode 100644
index 00000000..b37c1b22
--- /dev/null
+++ b/contrib/log/tencent/tencent_test.go
@@ -0,0 +1,103 @@
+package tencent
+
+import (
+	"testing"
+
+	"github.com/go-kratos/kratos/v2/log"
+)
+
+func TestWithEndpoint(t *testing.T) {
+	opts := new(options)
+	endpoint := "eee"
+	funcEndpoint := WithEndpoint(endpoint)
+	funcEndpoint(opts)
+	if opts.endpoint != "eee" {
+		t.Errorf("WithEndpoint() = %s, want %s", opts.endpoint, endpoint)
+	}
+}
+
+func TestWithTopicId(t *testing.T) {
+	opts := new(options)
+	topicID := "ee"
+	funcTopicID := WithTopicID(topicID)
+	funcTopicID(opts)
+	if opts.topicID != "ee" {
+		t.Errorf("WithTopicId() = %s, want %s", opts.endpoint, topicID)
+	}
+}
+
+func TestWithAccessKey(t *testing.T) {
+	opts := new(options)
+	accessKey := "ee"
+	funcAccessKey := WithAccessKey(accessKey)
+	funcAccessKey(opts)
+	if opts.accessKey != "ee" {
+		t.Errorf("WithAccessKey() = %s, want %s", opts.endpoint, accessKey)
+	}
+}
+
+func TestWithAccessSecret(t *testing.T) {
+	opts := new(options)
+	accessSecret := "ee"
+	funcAccessSecret := WithAccessSecret(accessSecret)
+	funcAccessSecret(opts)
+	if opts.accessSecret != "ee" {
+		t.Errorf("WithAccessSecret() = %s, want %s", opts.accessSecret, accessSecret)
+	}
+}
+
+func TestTestLogger(t *testing.T) {
+	topicID := "aa"
+	logger, err := NewLogger(
+		WithTopicID(topicID),
+		WithEndpoint("ap-shanghai.cls.tencentcs.com"),
+		WithAccessKey("a"),
+		WithAccessSecret("b"),
+	)
+	if err != nil {
+		t.Error(err)
+		return
+	}
+	defer logger.Close()
+	logger.GetProducer()
+	flog := log.NewHelper(logger)
+	flog.Debug("log", "test")
+	flog.Info("log", "test")
+	flog.Warn("log", "test")
+	flog.Error("log", "test")
+}
+
+func TestLog(t *testing.T) {
+	topicID := "foo"
+	logger, err := NewLogger(
+		WithTopicID(topicID),
+		WithEndpoint("ap-shanghai.cls.tencentcs.com"),
+		WithAccessKey("a"),
+		WithAccessSecret("b"),
+	)
+	if err != nil {
+		t.Error(err)
+		return
+	}
+	defer logger.Close()
+	err = logger.Log(log.LevelDebug, 0, int8(1), int16(2), int32(3))
+	if err != nil {
+		t.Errorf("Log() returns error:%v", err)
+	}
+	err = logger.Log(log.LevelDebug, uint(0), uint8(1), uint16(2), uint32(3))
+	if err != nil {
+		t.Errorf("Log() returns error:%v", err)
+	}
+	err = logger.Log(log.LevelDebug, uint(0), uint8(1), uint16(2), uint32(3))
+	if err != nil {
+		t.Errorf("Log() returns error:%v", err)
+	}
+	err = logger.Log(log.LevelDebug, int64(0), uint64(1), float32(2), float64(3))
+	if err != nil {
+		t.Errorf("Log() returns error:%v", err)
+	}
+	err = logger.Log(log.LevelDebug, []byte{0, 1, 2, 3}, "foo")
+	if err != nil {
+		t.Errorf("Log() returns error:%v", err)
+	}
+}