Chapter 7. Probe [monitoring.coreos.com/v1] Description Probe defines monitoring for a set of static targets or ingresses. Type object Required spec 7.1. Specification Property Type Description apiVersion string APIVersion defines the versioned schema of this representation of an object. Servers should convert recognized schemas to the latest internal value, and may reject unrecognized values. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#resources kind string Kind is a string value representing the REST resource this object represents. Servers may infer this from the endpoint the client submits requests to. Cannot be updated. In CamelCase. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#types-kinds metadata ObjectMeta Standard object's metadata. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#metadata spec object Specification of desired Ingress selection for target discovery by Prometheus. 7.1.1. .spec Description Specification of desired Ingress selection for target discovery by Prometheus. Type object Property Type Description authorization object Authorization section for this endpoint basicAuth object BasicAuth allow an endpoint to authenticate over basic authentication. More info: https://prometheus.io/docs/operating/configuration/#endpoint bearerTokenSecret object Secret to mount to read bearer token for scraping targets. The secret needs to be in the same namespace as the probe and accessible by the Prometheus Operator. interval string Interval at which targets are probed using the configured prober. If not specified Prometheus' global scrape interval is used. jobName string The job name assigned to scraped metrics by default. keepDroppedTargets integer Per-scrape limit on the number of targets dropped by relabeling that will be kept in memory. 0 means no limit. It requires Prometheus >= v2.47.0. labelLimit integer Per-scrape limit on number of labels that will be accepted for a sample. Only valid in Prometheus versions 2.27.0 and newer. labelNameLengthLimit integer Per-scrape limit on length of labels name that will be accepted for a sample. Only valid in Prometheus versions 2.27.0 and newer. labelValueLengthLimit integer Per-scrape limit on length of labels value that will be accepted for a sample. Only valid in Prometheus versions 2.27.0 and newer. metricRelabelings array MetricRelabelConfigs to apply to samples before ingestion. metricRelabelings[] object RelabelConfig allows dynamic rewriting of the label set for targets, alerts, scraped samples and remote write samples. More info: https://prometheus.io/docs/prometheus/latest/configuration/configuration/#relabel_config module string The module to use for probing specifying how to probe the target. Example module configuring in the blackbox exporter: https://github.com/prometheus/blackbox_exporter/blob/master/example.yml oauth2 object OAuth2 for the URL. Only valid in Prometheus versions 2.27.0 and newer. prober object Specification for the prober to use for probing targets. The prober.URL parameter is required. Targets cannot be probed if left empty. sampleLimit integer SampleLimit defines per-scrape limit on number of scraped samples that will be accepted. scrapeClass string The scrape class to apply. scrapeProtocols array (string) scrapeProtocols defines the protocols to negotiate during a scrape. It tells clients the protocols supported by Prometheus in order of preference (from most to least preferred). If unset, Prometheus uses its default value. It requires Prometheus >= v2.49.0. scrapeTimeout string Timeout for scraping metrics from the Prometheus exporter. If not specified, the Prometheus global scrape timeout is used. targetLimit integer TargetLimit defines a limit on the number of scraped targets that will be accepted. targets object Targets defines a set of static or dynamically discovered targets to probe. tlsConfig object TLS configuration to use when scraping the endpoint. 7.1.2. .spec.authorization Description Authorization section for this endpoint Type object Property Type Description credentials object Selects a key of a Secret in the namespace that contains the credentials for authentication. type string Defines the authentication type. The value is case-insensitive. "Basic" is not a supported value. Default: "Bearer" 7.1.3. .spec.authorization.credentials Description Selects a key of a Secret in the namespace that contains the credentials for authentication. Type object Required key Property Type Description key string The key of the secret to select from. Must be a valid secret key. name string Name of the referent. More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/names/#names TODO: Add other useful fields. apiVersion, kind, uid? optional boolean Specify whether the Secret or its key must be defined 7.1.4. .spec.basicAuth Description BasicAuth allow an endpoint to authenticate over basic authentication. More info: https://prometheus.io/docs/operating/configuration/#endpoint Type object Property Type Description password object password specifies a key of a Secret containing the password for authentication. username object username specifies a key of a Secret containing the username for authentication. 7.1.5. .spec.basicAuth.password Description password specifies a key of a Secret containing the password for authentication. Type object Required key Property Type Description key string The key of the secret to select from. Must be a valid secret key. name string Name of the referent. More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/names/#names TODO: Add other useful fields. apiVersion, kind, uid? optional boolean Specify whether the Secret or its key must be defined 7.1.6. .spec.basicAuth.username Description username specifies a key of a Secret containing the username for authentication. Type object Required key Property Type Description key string The key of the secret to select from. Must be a valid secret key. name string Name of the referent. More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/names/#names TODO: Add other useful fields. apiVersion, kind, uid? optional boolean Specify whether the Secret or its key must be defined 7.1.7. .spec.bearerTokenSecret Description Secret to mount to read bearer token for scraping targets. The secret needs to be in the same namespace as the probe and accessible by the Prometheus Operator. Type object Required key Property Type Description key string The key of the secret to select from. Must be a valid secret key. name string Name of the referent. More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/names/#names TODO: Add other useful fields. apiVersion, kind, uid? optional boolean Specify whether the Secret or its key must be defined 7.1.8. .spec.metricRelabelings Description MetricRelabelConfigs to apply to samples before ingestion. Type array 7.1.9. .spec.metricRelabelings[] Description RelabelConfig allows dynamic rewriting of the label set for targets, alerts, scraped samples and remote write samples. More info: https://prometheus.io/docs/prometheus/latest/configuration/configuration/#relabel_config Type object Property Type Description action string Action to perform based on the regex matching. Uppercase and Lowercase actions require Prometheus >= v2.36.0. DropEqual and KeepEqual actions require Prometheus >= v2.41.0. Default: "Replace" modulus integer Modulus to take of the hash of the source label values. Only applicable when the action is HashMod . regex string Regular expression against which the extracted value is matched. replacement string Replacement value against which a Replace action is performed if the regular expression matches. Regex capture groups are available. separator string Separator is the string between concatenated SourceLabels. sourceLabels array (string) The source labels select values from existing labels. Their content is concatenated using the configured Separator and matched against the configured regular expression. targetLabel string Label to which the resulting string is written in a replacement. It is mandatory for Replace , HashMod , Lowercase , Uppercase , KeepEqual and DropEqual actions. Regex capture groups are available. 7.1.10. .spec.oauth2 Description OAuth2 for the URL. Only valid in Prometheus versions 2.27.0 and newer. Type object Required clientId clientSecret tokenUrl Property Type Description clientId object clientId specifies a key of a Secret or ConfigMap containing the OAuth2 client's ID. clientSecret object clientSecret specifies a key of a Secret containing the OAuth2 client's secret. endpointParams object (string) endpointParams configures the HTTP parameters to append to the token URL. scopes array (string) scopes defines the OAuth2 scopes used for the token request. tokenUrl string tokenURL configures the URL to fetch the token from. 7.1.11. .spec.oauth2.clientId Description clientId specifies a key of a Secret or ConfigMap containing the OAuth2 client's ID. Type object Property Type Description configMap object ConfigMap containing data to use for the targets. secret object Secret containing data to use for the targets. 7.1.12. .spec.oauth2.clientId.configMap Description ConfigMap containing data to use for the targets. Type object Required key Property Type Description key string The key to select. name string Name of the referent. More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/names/#names TODO: Add other useful fields. apiVersion, kind, uid? optional boolean Specify whether the ConfigMap or its key must be defined 7.1.13. .spec.oauth2.clientId.secret Description Secret containing data to use for the targets. Type object Required key Property Type Description key string The key of the secret to select from. Must be a valid secret key. name string Name of the referent. More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/names/#names TODO: Add other useful fields. apiVersion, kind, uid? optional boolean Specify whether the Secret or its key must be defined 7.1.14. .spec.oauth2.clientSecret Description clientSecret specifies a key of a Secret containing the OAuth2 client's secret. Type object Required key Property Type Description key string The key of the secret to select from. Must be a valid secret key. name string Name of the referent. More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/names/#names TODO: Add other useful fields. apiVersion, kind, uid? optional boolean Specify whether the Secret or its key must be defined 7.1.15. .spec.prober Description Specification for the prober to use for probing targets. The prober.URL parameter is required. Targets cannot be probed if left empty. Type object Required url Property Type Description path string Path to collect metrics from. Defaults to /probe . proxyUrl string Optional ProxyURL. scheme string HTTP scheme to use for scraping. http and https are the expected values unless you rewrite the scheme label via relabeling. If empty, Prometheus uses the default value http . url string Mandatory URL of the prober. 7.1.16. .spec.targets Description Targets defines a set of static or dynamically discovered targets to probe. Type object Property Type Description ingress object ingress defines the Ingress objects to probe and the relabeling configuration. If staticConfig is also defined, staticConfig takes precedence. staticConfig object staticConfig defines the static list of targets to probe and the relabeling configuration. If ingress is also defined, staticConfig takes precedence. More info: https://prometheus.io/docs/prometheus/latest/configuration/configuration/#static_config . 7.1.17. .spec.targets.ingress Description ingress defines the Ingress objects to probe and the relabeling configuration. If staticConfig is also defined, staticConfig takes precedence. Type object Property Type Description namespaceSelector object From which namespaces to select Ingress objects. relabelingConfigs array RelabelConfigs to apply to the label set of the target before it gets scraped. The original ingress address is available via the __tmp_prometheus_ingress_address label. It can be used to customize the probed URL. The original scrape job's name is available via the \__tmp_prometheus_job_name label. More info: https://prometheus.io/docs/prometheus/latest/configuration/configuration/#relabel_config relabelingConfigs[] object RelabelConfig allows dynamic rewriting of the label set for targets, alerts, scraped samples and remote write samples. More info: https://prometheus.io/docs/prometheus/latest/configuration/configuration/#relabel_config selector object Selector to select the Ingress objects. 7.1.18. .spec.targets.ingress.namespaceSelector Description From which namespaces to select Ingress objects. Type object Property Type Description any boolean Boolean describing whether all namespaces are selected in contrast to a list restricting them. matchNames array (string) List of namespace names to select from. 7.1.19. .spec.targets.ingress.relabelingConfigs Description RelabelConfigs to apply to the label set of the target before it gets scraped. The original ingress address is available via the __tmp_prometheus_ingress_address label. It can be used to customize the probed URL. The original scrape job's name is available via the \__tmp_prometheus_job_name label. More info: https://prometheus.io/docs/prometheus/latest/configuration/configuration/#relabel_config Type array 7.1.20. .spec.targets.ingress.relabelingConfigs[] Description RelabelConfig allows dynamic rewriting of the label set for targets, alerts, scraped samples and remote write samples. More info: https://prometheus.io/docs/prometheus/latest/configuration/configuration/#relabel_config Type object Property Type Description action string Action to perform based on the regex matching. Uppercase and Lowercase actions require Prometheus >= v2.36.0. DropEqual and KeepEqual actions require Prometheus >= v2.41.0. Default: "Replace" modulus integer Modulus to take of the hash of the source label values. Only applicable when the action is HashMod . regex string Regular expression against which the extracted value is matched. replacement string Replacement value against which a Replace action is performed if the regular expression matches. Regex capture groups are available. separator string Separator is the string between concatenated SourceLabels. sourceLabels array (string) The source labels select values from existing labels. Their content is concatenated using the configured Separator and matched against the configured regular expression. targetLabel string Label to which the resulting string is written in a replacement. It is mandatory for Replace , HashMod , Lowercase , Uppercase , KeepEqual and DropEqual actions. Regex capture groups are available. 7.1.21. .spec.targets.ingress.selector Description Selector to select the Ingress objects. Type object Property Type Description matchExpressions array matchExpressions is a list of label selector requirements. The requirements are ANDed. matchExpressions[] object A label selector requirement is a selector that contains values, a key, and an operator that relates the key and values. matchLabels object (string) matchLabels is a map of {key,value} pairs. A single {key,value} in the matchLabels map is equivalent to an element of matchExpressions, whose key field is "key", the operator is "In", and the values array contains only "value". The requirements are ANDed. 7.1.22. .spec.targets.ingress.selector.matchExpressions Description matchExpressions is a list of label selector requirements. The requirements are ANDed. Type array 7.1.23. .spec.targets.ingress.selector.matchExpressions[] Description A label selector requirement is a selector that contains values, a key, and an operator that relates the key and values. Type object Required key operator Property Type Description key string key is the label key that the selector applies to. operator string operator represents a key's relationship to a set of values. Valid operators are In, NotIn, Exists and DoesNotExist. values array (string) values is an array of string values. If the operator is In or NotIn, the values array must be non-empty. If the operator is Exists or DoesNotExist, the values array must be empty. This array is replaced during a strategic merge patch. 7.1.24. .spec.targets.staticConfig Description staticConfig defines the static list of targets to probe and the relabeling configuration. If ingress is also defined, staticConfig takes precedence. More info: https://prometheus.io/docs/prometheus/latest/configuration/configuration/#static_config . Type object Property Type Description labels object (string) Labels assigned to all metrics scraped from the targets. relabelingConfigs array RelabelConfigs to apply to the label set of the targets before it gets scraped. More info: https://prometheus.io/docs/prometheus/latest/configuration/configuration/#relabel_config relabelingConfigs[] object RelabelConfig allows dynamic rewriting of the label set for targets, alerts, scraped samples and remote write samples. More info: https://prometheus.io/docs/prometheus/latest/configuration/configuration/#relabel_config static array (string) The list of hosts to probe. 7.1.25. .spec.targets.staticConfig.relabelingConfigs Description RelabelConfigs to apply to the label set of the targets before it gets scraped. More info: https://prometheus.io/docs/prometheus/latest/configuration/configuration/#relabel_config Type array 7.1.26. .spec.targets.staticConfig.relabelingConfigs[] Description RelabelConfig allows dynamic rewriting of the label set for targets, alerts, scraped samples and remote write samples. More info: https://prometheus.io/docs/prometheus/latest/configuration/configuration/#relabel_config Type object Property Type Description action string Action to perform based on the regex matching. Uppercase and Lowercase actions require Prometheus >= v2.36.0. DropEqual and KeepEqual actions require Prometheus >= v2.41.0. Default: "Replace" modulus integer Modulus to take of the hash of the source label values. Only applicable when the action is HashMod . regex string Regular expression against which the extracted value is matched. replacement string Replacement value against which a Replace action is performed if the regular expression matches. Regex capture groups are available. separator string Separator is the string between concatenated SourceLabels. sourceLabels array (string) The source labels select values from existing labels. Their content is concatenated using the configured Separator and matched against the configured regular expression. targetLabel string Label to which the resulting string is written in a replacement. It is mandatory for Replace , HashMod , Lowercase , Uppercase , KeepEqual and DropEqual actions. Regex capture groups are available. 7.1.27. .spec.tlsConfig Description TLS configuration to use when scraping the endpoint. Type object Property Type Description ca object Certificate authority used when verifying server certificates. cert object Client certificate to present when doing client-authentication. insecureSkipVerify boolean Disable target certificate validation. keySecret object Secret containing the client key file for the targets. serverName string Used to verify the hostname for the targets. 7.1.28. .spec.tlsConfig.ca Description Certificate authority used when verifying server certificates. Type object Property Type Description configMap object ConfigMap containing data to use for the targets. secret object Secret containing data to use for the targets. 7.1.29. .spec.tlsConfig.ca.configMap Description ConfigMap containing data to use for the targets. Type object Required key Property Type Description key string The key to select. name string Name of the referent. More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/names/#names TODO: Add other useful fields. apiVersion, kind, uid? optional boolean Specify whether the ConfigMap or its key must be defined 7.1.30. .spec.tlsConfig.ca.secret Description Secret containing data to use for the targets. Type object Required key Property Type Description key string The key of the secret to select from. Must be a valid secret key. name string Name of the referent. More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/names/#names TODO: Add other useful fields. apiVersion, kind, uid? optional boolean Specify whether the Secret or its key must be defined 7.1.31. .spec.tlsConfig.cert Description Client certificate to present when doing client-authentication. Type object Property Type Description configMap object ConfigMap containing data to use for the targets. secret object Secret containing data to use for the targets. 7.1.32. .spec.tlsConfig.cert.configMap Description ConfigMap containing data to use for the targets. Type object Required key Property Type Description key string The key to select. name string Name of the referent. More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/names/#names TODO: Add other useful fields. apiVersion, kind, uid? optional boolean Specify whether the ConfigMap or its key must be defined 7.1.33. .spec.tlsConfig.cert.secret Description Secret containing data to use for the targets. Type object Required key Property Type Description key string The key of the secret to select from. Must be a valid secret key. name string Name of the referent. More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/names/#names TODO: Add other useful fields. apiVersion, kind, uid? optional boolean Specify whether the Secret or its key must be defined 7.1.34. .spec.tlsConfig.keySecret Description Secret containing the client key file for the targets. Type object Required key Property Type Description key string The key of the secret to select from. Must be a valid secret key. name string Name of the referent. More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/names/#names TODO: Add other useful fields. apiVersion, kind, uid? optional boolean Specify whether the Secret or its key must be defined 7.2. API endpoints The following API endpoints are available: /apis/monitoring.coreos.com/v1/probes GET : list objects of kind Probe /apis/monitoring.coreos.com/v1/namespaces/{namespace}/probes DELETE : delete collection of Probe GET : list objects of kind Probe POST : create a Probe /apis/monitoring.coreos.com/v1/namespaces/{namespace}/probes/{name} DELETE : delete a Probe GET : read the specified Probe PATCH : partially update the specified Probe PUT : replace the specified Probe 7.2.1. /apis/monitoring.coreos.com/v1/probes HTTP method GET Description list objects of kind Probe Table 7.1. HTTP responses HTTP code Reponse body 200 - OK ProbeList schema 401 - Unauthorized Empty 7.2.2. /apis/monitoring.coreos.com/v1/namespaces/{namespace}/probes HTTP method DELETE Description delete collection of Probe Table 7.2. HTTP responses HTTP code Reponse body 200 - OK Status schema 401 - Unauthorized Empty HTTP method GET Description list objects of kind Probe Table 7.3. HTTP responses HTTP code Reponse body 200 - OK ProbeList schema 401 - Unauthorized Empty HTTP method POST Description create a Probe Table 7.4. Query parameters Parameter Type Description dryRun string When present, indicates that modifications should not be persisted. An invalid or unrecognized dryRun directive will result in an error response and no further processing of the request. Valid values are: - All: all dry run stages will be processed fieldValidation string fieldValidation instructs the server on how to handle objects in the request (POST/PUT/PATCH) containing unknown or duplicate fields. Valid values are: - Ignore: This will ignore any unknown fields that are silently dropped from the object, and will ignore all but the last duplicate field that the decoder encounters. This is the default behavior prior to v1.23. - Warn: This will send a warning via the standard warning response header for each unknown field that is dropped from the object, and for each duplicate field that is encountered. The request will still succeed if there are no other errors, and will only persist the last of any duplicate fields. This is the default in v1.23+ - Strict: This will fail the request with a BadRequest error if any unknown fields would be dropped from the object, or if any duplicate fields are present. The error returned from the server will contain all unknown and duplicate fields encountered. Table 7.5. Body parameters Parameter Type Description body Probe schema Table 7.6. HTTP responses HTTP code Reponse body 200 - OK Probe schema 201 - Created Probe schema 202 - Accepted Probe schema 401 - Unauthorized Empty 7.2.3. /apis/monitoring.coreos.com/v1/namespaces/{namespace}/probes/{name} Table 7.7. Global path parameters Parameter Type Description name string name of the Probe HTTP method DELETE Description delete a Probe Table 7.8. Query parameters Parameter Type Description dryRun string When present, indicates that modifications should not be persisted. An invalid or unrecognized dryRun directive will result in an error response and no further processing of the request. Valid values are: - All: all dry run stages will be processed Table 7.9. HTTP responses HTTP code Reponse body 200 - OK Status schema 202 - Accepted Status schema 401 - Unauthorized Empty HTTP method GET Description read the specified Probe Table 7.10. HTTP responses HTTP code Reponse body 200 - OK Probe schema 401 - Unauthorized Empty HTTP method PATCH Description partially update the specified Probe Table 7.11. Query parameters Parameter Type Description dryRun string When present, indicates that modifications should not be persisted. An invalid or unrecognized dryRun directive will result in an error response and no further processing of the request. Valid values are: - All: all dry run stages will be processed fieldValidation string fieldValidation instructs the server on how to handle objects in the request (POST/PUT/PATCH) containing unknown or duplicate fields. Valid values are: - Ignore: This will ignore any unknown fields that are silently dropped from the object, and will ignore all but the last duplicate field that the decoder encounters. This is the default behavior prior to v1.23. - Warn: This will send a warning via the standard warning response header for each unknown field that is dropped from the object, and for each duplicate field that is encountered. The request will still succeed if there are no other errors, and will only persist the last of any duplicate fields. This is the default in v1.23+ - Strict: This will fail the request with a BadRequest error if any unknown fields would be dropped from the object, or if any duplicate fields are present. The error returned from the server will contain all unknown and duplicate fields encountered. Table 7.12. HTTP responses HTTP code Reponse body 200 - OK Probe schema 401 - Unauthorized Empty HTTP method PUT Description replace the specified Probe Table 7.13. Query parameters Parameter Type Description dryRun string When present, indicates that modifications should not be persisted. An invalid or unrecognized dryRun directive will result in an error response and no further processing of the request. Valid values are: - All: all dry run stages will be processed fieldValidation string fieldValidation instructs the server on how to handle objects in the request (POST/PUT/PATCH) containing unknown or duplicate fields. Valid values are: - Ignore: This will ignore any unknown fields that are silently dropped from the object, and will ignore all but the last duplicate field that the decoder encounters. This is the default behavior prior to v1.23. - Warn: This will send a warning via the standard warning response header for each unknown field that is dropped from the object, and for each duplicate field that is encountered. The request will still succeed if there are no other errors, and will only persist the last of any duplicate fields. This is the default in v1.23+ - Strict: This will fail the request with a BadRequest error if any unknown fields would be dropped from the object, or if any duplicate fields are present. The error returned from the server will contain all unknown and duplicate fields encountered. Table 7.14. Body parameters Parameter Type Description body Probe schema Table 7.15. HTTP responses HTTP code Reponse body 200 - OK Probe schema 201 - Created Probe schema 401 - Unauthorized Empty

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