metrics

package
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Published: Nov 15, 2023 License: Apache-2.0 Imports: 3 Imported by: 1

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Index

Constants

View Source
const (

	// JobSyncActionReconciling when the Job's pod creation/deletion expectations
	// are unsatisfied and the controller is waiting for issued Pod
	// creation/deletions to complete.
	JobSyncActionReconciling = "reconciling"
	// JobSyncActionTracking when the Job's pod creation/deletion expectations
	// are satisfied and the number of active Pods matches expectations (i.e. no
	// pod creation/deletions issued in this sync). This is expected to be the
	// action in most of the syncs.
	JobSyncActionTracking = "tracking"
	// JobSyncActionPodsCreated when the controller creates Pods. This can happen
	// when the number of active Pods is less than the wanted Job parallelism.
	JobSyncActionPodsCreated = "pods_created"
	// JobSyncActionPodsDeleted when the controller deletes Pods. This can happen
	// if a Job is suspended or if the number of active Pods is more than
	// parallelism.
	JobSyncActionPodsDeleted = "pods_deleted"

	Succeeded = "succeeded"
	Failed    = "failed"

	// Possible values for "event"  label in the terminated_pods_tracking_finalizer
	// metric.
	Add    = "add"
	Delete = "delete"
)
View Source
const JobControllerSubsystem = "job_controller"

JobControllerSubsystem - subsystem name used for this controller.

Variables

View Source
var (
	// JobSyncDurationSeconds tracks the latency of Job syncs. Possible label
	// values:
	//   completion_mode: Indexed, NonIndexed
	//   result:          success, error
	//   action:          reconciling, tracking, pods_created, pods_deleted
	JobSyncDurationSeconds = metrics.NewHistogramVec(
		&metrics.HistogramOpts{
			Subsystem:      JobControllerSubsystem,
			Name:           "job_sync_duration_seconds",
			Help:           "The time it took to sync a job",
			StabilityLevel: metrics.STABLE,
			Buckets:        metrics.ExponentialBuckets(0.004, 2, 15),
		},
		[]string{"completion_mode", "result", "action"},
	)
	// JobSyncNum tracks the number of Job syncs. Possible label values:
	//   completion_mode: Indexed, NonIndexed
	//   result:          success, error
	//   action:          reconciling, tracking, pods_created, pods_deleted
	JobSyncNum = metrics.NewCounterVec(
		&metrics.CounterOpts{
			Subsystem:      JobControllerSubsystem,
			Name:           "job_syncs_total",
			Help:           "The number of job syncs",
			StabilityLevel: metrics.STABLE,
		},
		[]string{"completion_mode", "result", "action"},
	)
	// JobFinishedNum tracks the number of Jobs that finish. Empty reason label
	// is used to count successful jobs.
	// Possible label values:
	//   completion_mode: Indexed, NonIndexed
	//   result:          failed, succeeded
	//   reason:          "BackoffLimitExceeded", "DeadlineExceeded", "PodFailurePolicy", ""
	JobFinishedNum = metrics.NewCounterVec(
		&metrics.CounterOpts{
			Subsystem:      JobControllerSubsystem,
			Name:           "jobs_finished_total",
			Help:           "The number of finished jobs",
			StabilityLevel: metrics.STABLE,
		},
		[]string{"completion_mode", "result", "reason"},
	)

	// JobPodsFinished records the number of finished Pods that the job controller
	// finished tracking.
	// It only applies to Jobs that were created while the feature gate
	// JobTrackingWithFinalizers was enabled.
	// Possible label values:
	//   completion_mode: Indexed, NonIndexed
	//   result:          failed, succeeded
	JobPodsFinished = metrics.NewCounterVec(
		&metrics.CounterOpts{
			Subsystem:      JobControllerSubsystem,
			Name:           "job_pods_finished_total",
			Help:           "The number of finished Pods that are fully tracked",
			StabilityLevel: metrics.STABLE,
		},
		[]string{"completion_mode", "result"})

	// PodFailuresHandledByFailurePolicy records the number of finished Pods
	// handled by pod failure policy.
	// Possible label values:
	//   action: FailJob, Ignore, Count
	PodFailuresHandledByFailurePolicy = metrics.NewCounterVec(
		&metrics.CounterOpts{
			Subsystem: JobControllerSubsystem,
			Name:      "pod_failures_handled_by_failure_policy_total",
			Help: `The number of failed Pods handled by failure policy with
			respect to the failure policy action applied based on the matched
			rule. Possible values of the action label correspond to the
			possible values for the failure policy rule action, which are:
			"FailJob", "Ignore" and "Count".`,
		},
		[]string{"action"})

	// TerminatedPodsTrackingFinalizerTotal records the addition and removal of
	// terminated pods that have the finalizer batch.kubernetes.io/job-tracking,
	// regardless of whether they are owned by a Job.
	TerminatedPodsTrackingFinalizerTotal = metrics.NewCounterVec(
		&metrics.CounterOpts{
			Subsystem: JobControllerSubsystem,
			Name:      "terminated_pods_tracking_finalizer_total",
			Help: `The number of terminated pods (phase=Failed|Succeeded)
that have the finalizer batch.kubernetes.io/job-tracking
The event label can be "add" or "delete".`,
		}, []string{"event"})
)

Functions

func Register

func Register()

Register registers Job controller metrics.

Types

This section is empty.

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