mirror of
https://github.com/ceph/ceph-csi.git
synced 2024-10-21 06:39:53 +00:00
9eaa55506f
This commit updates controller-runtime to v0.9.2 and makes changes in persistentvolume.go to add context to various functions and function calls made here instead of context.TODO(). Signed-off-by: Rakshith R <rar@redhat.com>
86 lines
2.5 KiB
Go
86 lines
2.5 KiB
Go
/*
|
|
Copyright 2018 The Kubernetes Authors.
|
|
|
|
Licensed under the Apache License, Version 2.0 (the "License");
|
|
you may not use this file except in compliance with the License.
|
|
You may obtain a copy of the License at
|
|
|
|
http://www.apache.org/licenses/LICENSE-2.0
|
|
|
|
Unless required by applicable law or agreed to in writing, software
|
|
distributed under the License is distributed on an "AS IS" BASIS,
|
|
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
See the License for the specific language governing permissions and
|
|
limitations under the License.
|
|
*/
|
|
|
|
package metrics
|
|
|
|
import (
|
|
"net/http"
|
|
|
|
"github.com/prometheus/client_golang/prometheus"
|
|
"github.com/prometheus/client_golang/prometheus/promhttp"
|
|
|
|
"sigs.k8s.io/controller-runtime/pkg/metrics"
|
|
)
|
|
|
|
var (
|
|
// RequestLatency is a prometheus metric which is a histogram of the latency
|
|
// of processing admission requests.
|
|
RequestLatency = prometheus.NewHistogramVec(
|
|
prometheus.HistogramOpts{
|
|
Name: "controller_runtime_webhook_latency_seconds",
|
|
Help: "Histogram of the latency of processing admission requests",
|
|
},
|
|
[]string{"webhook"},
|
|
)
|
|
|
|
// RequestTotal is a prometheus metric which is a counter of the total processed admission requests.
|
|
RequestTotal = func() *prometheus.CounterVec {
|
|
return prometheus.NewCounterVec(
|
|
prometheus.CounterOpts{
|
|
Name: "controller_runtime_webhook_requests_total",
|
|
Help: "Total number of admission requests by HTTP status code.",
|
|
},
|
|
[]string{"webhook", "code"},
|
|
)
|
|
}()
|
|
|
|
// RequestInFlight is a prometheus metric which is a gauge of the in-flight admission requests.
|
|
RequestInFlight = func() *prometheus.GaugeVec {
|
|
return prometheus.NewGaugeVec(
|
|
prometheus.GaugeOpts{
|
|
Name: "controller_runtime_webhook_requests_in_flight",
|
|
Help: "Current number of admission requests being served.",
|
|
},
|
|
[]string{"webhook"},
|
|
)
|
|
}()
|
|
)
|
|
|
|
func init() {
|
|
metrics.Registry.MustRegister(RequestLatency, RequestTotal, RequestInFlight)
|
|
}
|
|
|
|
// InstrumentedHook adds some instrumentation on top of the given webhook.
|
|
func InstrumentedHook(path string, hookRaw http.Handler) http.Handler {
|
|
lbl := prometheus.Labels{"webhook": path}
|
|
|
|
lat := RequestLatency.MustCurryWith(lbl)
|
|
cnt := RequestTotal.MustCurryWith(lbl)
|
|
gge := RequestInFlight.With(lbl)
|
|
|
|
// Initialize the most likely HTTP status codes.
|
|
cnt.WithLabelValues("200")
|
|
cnt.WithLabelValues("500")
|
|
|
|
return promhttp.InstrumentHandlerDuration(
|
|
lat,
|
|
promhttp.InstrumentHandlerCounter(
|
|
cnt,
|
|
promhttp.InstrumentHandlerInFlight(gge, hookRaw),
|
|
),
|
|
)
|
|
}
|