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 SinceInMicroseconds(start time.Time) float64
Constants ¶
View Source
const (
KubeletSubsystem = "kubelet"
PodWorkerLatencyKey = "pod_worker_latency_microseconds"
PodStartLatencyKey = "pod_start_latency_microseconds"
CgroupManagerOperationsKey = "cgroup_manager_latency_microseconds"
PodWorkerStartLatencyKey = "pod_worker_start_latency_microseconds"
PLEGRelistLatencyKey = "pleg_relist_latency_microseconds"
PLEGRelistIntervalKey = "pleg_relist_interval_microseconds"
EvictionStatsAgeKey = "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"
RuntimeOperationsLatencyKey = "runtime_operations_latency_microseconds"
RuntimeOperationsErrorsKey = "runtime_operations_errors"
// Metrics keys of device plugin operations
DevicePluginRegistrationCountKey = "device_plugin_registration_count"
DevicePluginAllocationLatencyKey = "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"
)
Variables ¶
View Source
var (
ContainersPerPodCount = prometheus.NewSummary(
prometheus.SummaryOpts{
Subsystem: KubeletSubsystem,
Name: "containers_per_pod_count",
Help: "The number of containers per pod.",
},
)
PodWorkerLatency = prometheus.NewSummaryVec(
prometheus.SummaryOpts{
Subsystem: KubeletSubsystem,
Name: PodWorkerLatencyKey,
Help: "Latency in microseconds to sync a single pod. Broken down by operation type: create, update, or sync",
},
[]string{"operation_type"},
)
PodStartLatency = prometheus.NewSummary(
prometheus.SummaryOpts{
Subsystem: KubeletSubsystem,
Name: PodStartLatencyKey,
Help: "Latency in microseconds for a single pod to go from pending to running.",
},
)
CgroupManagerLatency = prometheus.NewSummaryVec(
prometheus.SummaryOpts{
Subsystem: KubeletSubsystem,
Name: CgroupManagerOperationsKey,
Help: "Latency in microseconds for cgroup manager operations. Broken down by method.",
},
[]string{"operation_type"},
)
PodWorkerStartLatency = prometheus.NewSummary(
prometheus.SummaryOpts{
Subsystem: KubeletSubsystem,
Name: PodWorkerStartLatencyKey,
Help: "Latency in microseconds from seeing a pod to starting a worker.",
},
)
PLEGRelistLatency = prometheus.NewSummary(
prometheus.SummaryOpts{
Subsystem: KubeletSubsystem,
Name: PLEGRelistLatencyKey,
Help: "Latency in microseconds for relisting pods in PLEG.",
},
)
PLEGRelistInterval = prometheus.NewSummary(
prometheus.SummaryOpts{
Subsystem: KubeletSubsystem,
Name: PLEGRelistIntervalKey,
Help: "Interval in microseconds between relisting in PLEG.",
},
)
// 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"},
)
RuntimeOperationsLatency = prometheus.NewSummaryVec(
prometheus.SummaryOpts{
Subsystem: KubeletSubsystem,
Name: RuntimeOperationsLatencyKey,
Help: "Latency in microseconds of runtime operations. Broken down by operation type.",
},
[]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.NewSummaryVec(
prometheus.SummaryOpts{
Subsystem: KubeletSubsystem,
Name: EvictionStatsAgeKey,
Help: "Time between when stats are collected, and when pod is evicted based on those stats by eviction signal",
},
[]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"},
)
DevicePluginAllocationLatency = prometheus.NewSummaryVec(
prometheus.SummaryOpts{
Subsystem: KubeletSubsystem,
Name: DevicePluginAllocationLatencyKey,
Help: "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.",
},
)
)
Functions ¶
func Register ¶
func Register(containerCache kubecontainer.RuntimeCache, collectors ...prometheus.Collector)
Register all metrics.
func SetActiveConfig ¶ added in v1.11.0
func SetActiveConfig(source *corev1.NodeConfigSource) error
func SetAssignedConfig ¶ added in v1.11.0
func SetAssignedConfig(source *corev1.NodeConfigSource) error
func SetConfigError ¶ added in v1.11.0
func SetConfigError(err bool)
func SetLastKnownGoodConfig ¶ added in v1.11.0
func SetLastKnownGoodConfig(source *corev1.NodeConfigSource) error
func SinceInMicroseconds ¶
func SinceInMicroseconds(start time.Time) float64
Gets the time since the specified start in microseconds.
Types ¶
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