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Remove ManagedPod,ManagedContainer metrics

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This replaces the generic ManagedPod and ManagedContainer kubelet
metrics with a gauge to track only ephemeral container usage.
This commit is contained in:
Lee Verberne
2021-06-15 18:59:27 +02:00
parent 29178fff1c
commit 30d2ad576a
2 changed files with 19 additions and 49 deletions
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28
pkg/kubelet/metrics/metrics.go
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@@ -84,14 +84,15 @@ const (
RunPodSandboxDurationKey = "run_podsandbox_duration_seconds"
RunPodSandboxErrorsKey = "run_podsandbox_errors_total"
// Metrics to keep track of objects under management
ManagedPodsKey = "managed_pods"
ManagedContainersKey = "managed_containers"
// Metrics to keep track of total number of Pods and Containers started
StartedPodsTotalKey = "started_pods_total"
StartedPodsErrorsTotalKey = "started_pods_errors_total"
StartedContainersTotalKey = "started_containers_total"
StartedContainersErrorsTotalKey = "started_containers_errors_total"
// Metrics to track ephemeral container usage by this kubelet
ManagedEphemeralContainersKey = "managed_ephemeral_containers"
// Values used in metric labels
Container = "container"
InitContainer = "init_container"
@@ -483,25 +484,15 @@ var (
},
[]string{"container_type", "code"},
)
// ManagedPods is a gauge that tracks how many pods are managed by this kubelet
ManagedPods = metrics.NewGauge(
// ManagedEphemeralContainers is a gauge that indicates how many ephemeral containers are managed by this kubelet.
ManagedEphemeralContainers = metrics.NewGauge(
&metrics.GaugeOpts{
Subsystem: KubeletSubsystem,
Name: ManagedPodsKey,
Help: "Number of pods managed by this kubelet",
Name: ManagedEphemeralContainersKey,
Help: "Current number of ephemeral containers in pods managed by this kubelet. Ephemeral containers will be ignored if disabled by the EphemeralContainers feature gate, and this number will be 0.",
StabilityLevel: metrics.ALPHA,
},
)
// ManagedContainers is a gauge that tracks how many containers are managed by this kubelet
ManagedContainers = metrics.NewGaugeVec(
&metrics.GaugeOpts{
Subsystem: KubeletSubsystem,
Name: ManagedContainersKey,
Help: "Number of containers managed by this kubelet",
StabilityLevel: metrics.ALPHA,
},
[]string{"container_type"},
)
)
var registerMetrics sync.Once
@@ -530,8 +521,7 @@ func Register(collectors ...metrics.StableCollector) {
legacyregistry.MustRegister(DevicePluginAllocationDuration)
legacyregistry.MustRegister(RunningContainerCount)
legacyregistry.MustRegister(RunningPodCount)
legacyregistry.MustRegister(ManagedPods)
legacyregistry.MustRegister(ManagedContainers)
legacyregistry.MustRegister(ManagedEphemeralContainers)
legacyregistry.MustRegister(StartedPodsTotal)
legacyregistry.MustRegister(StartedPodsErrorsTotal)
legacyregistry.MustRegister(StartedContainersTotal)