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migrate scheduler metrics endpoint to metrics stability framework

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This commit is contained in:
Han Kang
2019-08-22 18:00:06 -07:00
parent f0be447922
commit 8da448dbe3
11 changed files with 187 additions and 144 deletions
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2
pkg/controller/volume/scheduling/BUILD
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@@ -26,6 +26,8 @@ go_library(
"//staging/src/k8s.io/client-go/kubernetes:go_default_library",
"//staging/src/k8s.io/client-go/listers/storage/v1:go_default_library",
"//staging/src/k8s.io/client-go/tools/cache:go_default_library",
"//staging/src/k8s.io/component-base/metrics:go_default_library",
"//staging/src/k8s.io/component-base/metrics/legacyregistry:go_default_library",
"//vendor/github.com/prometheus/client_golang/prometheus:go_default_library",
"//vendor/k8s.io/klog:go_default_library",
],

44
pkg/controller/volume/scheduling/scheduler_bind_cache_metrics.go
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@@ -18,6 +18,9 @@ package scheduling
import (
"github.com/prometheus/client_golang/prometheus"
"k8s.io/component-base/metrics"
"k8s.io/component-base/metrics/legacyregistry"
)
// VolumeSchedulerSubsystem - subsystem name used by scheduler
@@ -25,30 +28,33 @@ const VolumeSchedulerSubsystem = "scheduler_volume"
var (
// VolumeBindingRequestSchedulerBinderCache tracks the number of volume binder cache operations.
VolumeBindingRequestSchedulerBinderCache = prometheus.NewCounterVec(
prometheus.CounterOpts{
Subsystem: VolumeSchedulerSubsystem,
Name: "binder_cache_requests_total",
Help: "Total number for request volume binding cache",
VolumeBindingRequestSchedulerBinderCache = metrics.NewCounterVec(
&metrics.CounterOpts{
Subsystem: VolumeSchedulerSubsystem,
Name: "binder_cache_requests_total",
Help: "Total number for request volume binding cache",
StabilityLevel: metrics.ALPHA,
},
[]string{"operation"},
)
// VolumeSchedulingStageLatency tracks the latency of volume scheduling operations.
VolumeSchedulingStageLatency = prometheus.NewHistogramVec(
prometheus.HistogramOpts{
Subsystem: VolumeSchedulerSubsystem,
Name: "scheduling_duration_seconds",
Help: "Volume scheduling stage latency",
Buckets: prometheus.ExponentialBuckets(1000, 2, 15),
VolumeSchedulingStageLatency = metrics.NewHistogramVec(
&metrics.HistogramOpts{
Subsystem: VolumeSchedulerSubsystem,
Name: "scheduling_duration_seconds",
Help: "Volume scheduling stage latency",
Buckets: prometheus.ExponentialBuckets(1000, 2, 15),
StabilityLevel: metrics.ALPHA,
},
[]string{"operation"},
)
// VolumeSchedulingStageFailed tracks the number of failed volume scheduling operations.
VolumeSchedulingStageFailed = prometheus.NewCounterVec(
prometheus.CounterOpts{
Subsystem: VolumeSchedulerSubsystem,
Name: "scheduling_stage_error_total",
Help: "Volume scheduling stage error count",
VolumeSchedulingStageFailed = metrics.NewCounterVec(
&metrics.CounterOpts{
Subsystem: VolumeSchedulerSubsystem,
Name: "scheduling_stage_error_total",
Help: "Volume scheduling stage error count",
StabilityLevel: metrics.ALPHA,
},
[]string{"operation"},
)
@@ -57,7 +63,7 @@ var (
// RegisterVolumeSchedulingMetrics is used for scheduler, because the volume binding cache is a library
// used by scheduler process.
func RegisterVolumeSchedulingMetrics() {
prometheus.MustRegister(VolumeBindingRequestSchedulerBinderCache)
prometheus.MustRegister(VolumeSchedulingStageLatency)
prometheus.MustRegister(VolumeSchedulingStageFailed)
legacyregistry.MustRegister(VolumeBindingRequestSchedulerBinderCache)
legacyregistry.MustRegister(VolumeSchedulingStageLatency)
legacyregistry.MustRegister(VolumeSchedulingStageFailed)
}