Documentation ¶
Index ¶
- Constants
- Variables
- func Register(containerCache kubecontainer.RuntimeCache, collectors ...prometheus.Collector)
- func SetActiveConfig(source *corev1.NodeConfigSource) error
- func SetAssignedConfig(source *corev1.NodeConfigSource) error
- func SetConfigError(err bool)
- func SetLastKnownGoodConfig(source *corev1.NodeConfigSource) error
- func SetNodeName(name types.NodeName)
- func SinceInMicroseconds(start time.Time) float64
- func SinceInSeconds(start time.Time) float64
Constants ¶
View Source
const ( KubeletSubsystem = "kubelet" NodeNameKey = "node_name" NodeLabelKey = "node" PodWorkerDurationKey = "pod_worker_duration_seconds" PodStartDurationKey = "pod_start_duration_seconds" CgroupManagerOperationsKey = "cgroup_manager_duration_seconds" PodWorkerStartDurationKey = "pod_worker_start_duration_seconds" PLEGRelistDurationKey = "pleg_relist_duration_seconds" PLEGDiscardEventsKey = "pleg_discard_events" PLEGRelistIntervalKey = "pleg_relist_interval_seconds" EvictionStatsAgeKey = "eviction_stats_age_seconds" DeprecatedPodWorkerLatencyKey = "pod_worker_latency_microseconds" DeprecatedPodStartLatencyKey = "pod_start_latency_microseconds" DeprecatedCgroupManagerOperationsKey = "cgroup_manager_latency_microseconds" DeprecatedPodWorkerStartLatencyKey = "pod_worker_start_latency_microseconds" DeprecatedPLEGRelistLatencyKey = "pleg_relist_latency_microseconds" DeprecatedPLEGRelistIntervalKey = "pleg_relist_interval_microseconds" DeprecatedEvictionStatsAgeKey = "eviction_stats_age_microseconds" VolumeStatsCapacityBytesKey = "volume_stats_capacity_bytes" VolumeStatsAvailableBytesKey = "volume_stats_available_bytes" VolumeStatsUsedBytesKey = "volume_stats_used_bytes" VolumeStatsInodesKey = "volume_stats_inodes" VolumeStatsInodesFreeKey = "volume_stats_inodes_free" VolumeStatsInodesUsedKey = "volume_stats_inodes_used" // Metrics keys of remote runtime operations RuntimeOperationsKey = "runtime_operations_total" RuntimeOperationsDurationKey = "runtime_operations_duration_seconds" RuntimeOperationsErrorsKey = "runtime_operations_errors_total" DeprecatedRuntimeOperationsKey = "runtime_operations" DeprecatedRuntimeOperationsLatencyKey = "runtime_operations_latency_microseconds" DeprecatedRuntimeOperationsErrorsKey = "runtime_operations_errors" // Metrics keys of device plugin operations DevicePluginRegistrationCountKey = "device_plugin_registration_total" DevicePluginAllocationDurationKey = "device_plugin_alloc_duration_seconds" DeprecatedDevicePluginRegistrationCountKey = "device_plugin_registration_count" DeprecatedDevicePluginAllocationLatencyKey = "device_plugin_alloc_latency_microseconds" // Metric keys for node config AssignedConfigKey = "node_config_assigned" ActiveConfigKey = "node_config_active" LastKnownGoodConfigKey = "node_config_last_known_good" ConfigErrorKey = "node_config_error" ConfigSourceLabelKey = "node_config_source" ConfigSourceLabelValueLocal = "local" ConfigUIDLabelKey = "node_config_uid" ConfigResourceVersionLabelKey = "node_config_resource_version" KubeletConfigKeyLabelKey = "node_config_kubelet_key" // Metrics keys for RuntimeClass RunPodSandboxLatenciesKey = "run_podsandbox_latencies" RunPodSandboxErrorsKey = "run_podsandbox_errors" )
Variables ¶
View Source
var ( NodeName = prometheus.NewGaugeVec( prometheus.GaugeOpts{ Subsystem: KubeletSubsystem, Name: NodeNameKey, Help: "The node's name. The count is always 1.", }, []string{NodeLabelKey}, ) ContainersPerPodCount = prometheus.NewHistogram( prometheus.HistogramOpts{ Subsystem: KubeletSubsystem, Name: "containers_per_pod_count", Help: "The number of containers per pod.", Buckets: prometheus.DefBuckets, }, ) PodWorkerDuration = prometheus.NewHistogramVec( prometheus.HistogramOpts{ Subsystem: KubeletSubsystem, Name: PodWorkerDurationKey, Help: "Duration in seconds to sync a single pod. Broken down by operation type: create, update, or sync", Buckets: prometheus.DefBuckets, }, []string{"operation_type"}, ) PodStartDuration = prometheus.NewHistogram( prometheus.HistogramOpts{ Subsystem: KubeletSubsystem, Name: PodStartDurationKey, Help: "Duration in seconds for a single pod to go from pending to running.", Buckets: prometheus.DefBuckets, }, ) CgroupManagerDuration = prometheus.NewHistogramVec( prometheus.HistogramOpts{ Subsystem: KubeletSubsystem, Name: CgroupManagerOperationsKey, Help: "Duration in seconds for cgroup manager operations. Broken down by method.", Buckets: prometheus.DefBuckets, }, []string{"operation_type"}, ) PodWorkerStartDuration = prometheus.NewHistogram( prometheus.HistogramOpts{ Subsystem: KubeletSubsystem, Name: PodWorkerStartDurationKey, Help: "Duration in seconds from seeing a pod to starting a worker.", Buckets: prometheus.DefBuckets, }, ) PLEGRelistDuration = prometheus.NewHistogram( prometheus.HistogramOpts{ Subsystem: KubeletSubsystem, Name: PLEGRelistDurationKey, Help: "Duration in seconds for relisting pods in PLEG.", Buckets: prometheus.DefBuckets, }, ) PLEGDiscardEvents = prometheus.NewCounterVec( prometheus.CounterOpts{ Subsystem: KubeletSubsystem, Name: PLEGDiscardEventsKey, Help: "The number of discard events in PLEG.", }, []string{}, ) PLEGRelistInterval = prometheus.NewHistogram( prometheus.HistogramOpts{ Subsystem: KubeletSubsystem, Name: PLEGRelistIntervalKey, Help: "Interval in seconds between relisting in PLEG.", Buckets: prometheus.DefBuckets, }, ) // Metrics of remote runtime operations. RuntimeOperations = prometheus.NewCounterVec( prometheus.CounterOpts{ Subsystem: KubeletSubsystem, Name: RuntimeOperationsKey, Help: "Cumulative number of runtime operations by operation type.", }, []string{"operation_type"}, ) RuntimeOperationsDuration = prometheus.NewHistogramVec( prometheus.HistogramOpts{ Subsystem: KubeletSubsystem, Name: RuntimeOperationsDurationKey, Help: "Duration in seconds of runtime operations. Broken down by operation type.", Buckets: prometheus.DefBuckets, }, []string{"operation_type"}, ) RuntimeOperationsErrors = prometheus.NewCounterVec( prometheus.CounterOpts{ Subsystem: KubeletSubsystem, Name: RuntimeOperationsErrorsKey, Help: "Cumulative number of runtime operation errors by operation type.", }, []string{"operation_type"}, ) EvictionStatsAge = prometheus.NewHistogramVec( prometheus.HistogramOpts{ Subsystem: KubeletSubsystem, Name: EvictionStatsAgeKey, Help: "Time between when stats are collected, and when pod is evicted based on those stats by eviction signal", Buckets: prometheus.DefBuckets, }, []string{"eviction_signal"}, ) DevicePluginRegistrationCount = prometheus.NewCounterVec( prometheus.CounterOpts{ Subsystem: KubeletSubsystem, Name: DevicePluginRegistrationCountKey, Help: "Cumulative number of device plugin registrations. Broken down by resource name.", }, []string{"resource_name"}, ) DevicePluginAllocationDuration = prometheus.NewHistogramVec( prometheus.HistogramOpts{ Subsystem: KubeletSubsystem, Name: DevicePluginAllocationDurationKey, Help: "Duration in seconds to serve a device plugin Allocation request. Broken down by resource name.", Buckets: prometheus.DefBuckets, }, []string{"resource_name"}, ) DeprecatedPodWorkerLatency = prometheus.NewSummaryVec( prometheus.SummaryOpts{ Subsystem: KubeletSubsystem, Name: DeprecatedPodWorkerLatencyKey, Help: "(Deprecated) Latency in microseconds to sync a single pod. Broken down by operation type: create, update, or sync", }, []string{"operation_type"}, ) DeprecatedPodStartLatency = prometheus.NewSummary( prometheus.SummaryOpts{ Subsystem: KubeletSubsystem, Name: DeprecatedPodStartLatencyKey, Help: "(Deprecated) Latency in microseconds for a single pod to go from pending to running.", }, ) DeprecatedCgroupManagerLatency = prometheus.NewSummaryVec( prometheus.SummaryOpts{ Subsystem: KubeletSubsystem, Name: DeprecatedCgroupManagerOperationsKey, Help: "(Deprecated) Latency in microseconds for cgroup manager operations. Broken down by method.", }, []string{"operation_type"}, ) DeprecatedPodWorkerStartLatency = prometheus.NewSummary( prometheus.SummaryOpts{ Subsystem: KubeletSubsystem, Name: DeprecatedPodWorkerStartLatencyKey, Help: "(Deprecated) Latency in microseconds from seeing a pod to starting a worker.", }, ) DeprecatedPLEGRelistLatency = prometheus.NewSummary( prometheus.SummaryOpts{ Subsystem: KubeletSubsystem, Name: DeprecatedPLEGRelistLatencyKey, Help: "(Deprecated) Latency in microseconds for relisting pods in PLEG.", }, ) DeprecatedPLEGRelistInterval = prometheus.NewSummary( prometheus.SummaryOpts{ Subsystem: KubeletSubsystem, Name: DeprecatedPLEGRelistIntervalKey, Help: "(Deprecated) Interval in microseconds between relisting in PLEG.", }, ) DeprecatedRuntimeOperations = prometheus.NewCounterVec( prometheus.CounterOpts{ Subsystem: KubeletSubsystem, Name: DeprecatedRuntimeOperationsKey, Help: "(Deprecated) Cumulative number of runtime operations by operation type.", }, []string{"operation_type"}, ) DeprecatedRuntimeOperationsLatency = prometheus.NewSummaryVec( prometheus.SummaryOpts{ Subsystem: KubeletSubsystem, Name: DeprecatedRuntimeOperationsLatencyKey, Help: "(Deprecated) Latency in microseconds of runtime operations. Broken down by operation type.", }, []string{"operation_type"}, ) DeprecatedRuntimeOperationsErrors = prometheus.NewCounterVec( prometheus.CounterOpts{ Subsystem: KubeletSubsystem, Name: DeprecatedRuntimeOperationsErrorsKey, Help: "(Deprecated) Cumulative number of runtime operation errors by operation type.", }, []string{"operation_type"}, ) DeprecatedEvictionStatsAge = prometheus.NewSummaryVec( prometheus.SummaryOpts{ Subsystem: KubeletSubsystem, Name: DeprecatedEvictionStatsAgeKey, Help: "(Deprecated) Time between when stats are collected, and when pod is evicted based on those stats by eviction signal", }, []string{"eviction_signal"}, ) DeprecatedDevicePluginRegistrationCount = prometheus.NewCounterVec( prometheus.CounterOpts{ Subsystem: KubeletSubsystem, Name: DeprecatedDevicePluginRegistrationCountKey, Help: "(Deprecated) Cumulative number of device plugin registrations. Broken down by resource name.", }, []string{"resource_name"}, ) DeprecatedDevicePluginAllocationLatency = prometheus.NewSummaryVec( prometheus.SummaryOpts{ Subsystem: KubeletSubsystem, Name: DeprecatedDevicePluginAllocationLatencyKey, Help: "(Deprecated) Latency in microseconds to serve a device plugin Allocation request. Broken down by resource name.", }, []string{"resource_name"}, ) AssignedConfig = prometheus.NewGaugeVec( prometheus.GaugeOpts{ Subsystem: KubeletSubsystem, Name: AssignedConfigKey, Help: "The node's understanding of intended config. The count is always 1.", }, []string{ConfigSourceLabelKey, ConfigUIDLabelKey, ConfigResourceVersionLabelKey, KubeletConfigKeyLabelKey}, ) ActiveConfig = prometheus.NewGaugeVec( prometheus.GaugeOpts{ Subsystem: KubeletSubsystem, Name: ActiveConfigKey, Help: "The config source the node is actively using. The count is always 1.", }, []string{ConfigSourceLabelKey, ConfigUIDLabelKey, ConfigResourceVersionLabelKey, KubeletConfigKeyLabelKey}, ) LastKnownGoodConfig = prometheus.NewGaugeVec( prometheus.GaugeOpts{ Subsystem: KubeletSubsystem, Name: LastKnownGoodConfigKey, Help: "The config source the node will fall back to when it encounters certain errors. The count is always 1.", }, []string{ConfigSourceLabelKey, ConfigUIDLabelKey, ConfigResourceVersionLabelKey, KubeletConfigKeyLabelKey}, ) ConfigError = prometheus.NewGauge( prometheus.GaugeOpts{ Subsystem: KubeletSubsystem, Name: ConfigErrorKey, Help: "This metric is true (1) if the node is experiencing a configuration-related error, false (0) otherwise.", }, ) RunPodSandboxLatencies = prometheus.NewSummaryVec( prometheus.SummaryOpts{ Subsystem: KubeletSubsystem, Name: RunPodSandboxLatenciesKey, Help: "Latencies in microseconds of the run_podsandbox operations. Broken down by RuntimeClass.", }, []string{"runtime_handler"}, ) RunPodSandboxErrors = prometheus.NewCounterVec( prometheus.CounterOpts{ Subsystem: KubeletSubsystem, Name: RunPodSandboxErrorsKey, Help: "Cumulative number of the run_podsandbox operation errors by RuntimeClass.", }, []string{"runtime_handler"}, ) )
Functions ¶
func Register ¶
func Register(containerCache kubecontainer.RuntimeCache, collectors ...prometheus.Collector)
Register all metrics.
func SetActiveConfig ¶ added in v1.11.1
func SetActiveConfig(source *corev1.NodeConfigSource) error
func SetAssignedConfig ¶ added in v1.11.1
func SetAssignedConfig(source *corev1.NodeConfigSource) error
func SetConfigError ¶ added in v1.11.1
func SetConfigError(err bool)
func SetLastKnownGoodConfig ¶ added in v1.11.1
func SetLastKnownGoodConfig(source *corev1.NodeConfigSource) error
func SetNodeName ¶ added in v1.14.0
func SinceInMicroseconds ¶
Gets the time since the specified start in microseconds.
func SinceInSeconds ¶ added in v1.14.0
Gets the time since the specified start in seconds.
Types ¶
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