Files
external-snapshotter/vendor/k8s.io/component-base/metrics/processstarttime.go
Humble Chirammal b72230379f update kube and vendor dependencies
With kubernetes 1.18 release of client-go, signatures on methods in
generated clientsets, dynamic, metadata, and scale clients have been
modified to accept context.Context as a first argument.
Signatures of Create, Update, and Patch methods have been updated
to accept CreateOptions, UpdateOptions and PatchOptions respectively.
Signatures of Delete and DeleteCollection methods now accept
DeleteOptions by value instead of by reference.
These changes are now accommodated with this PR and client-go
and dependencies are updated to v1.18.0

Signed-off-by: Humble Chirammal <hchiramm@redhat.com>
2020-05-03 21:52:48 +05:30

62 lines
1.6 KiB
Go

/*
Copyright 2019 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 (
"os"
"time"
"github.com/prometheus/procfs"
"k8s.io/klog"
)
var processStartTime = NewGaugeVec(
&GaugeOpts{
Name: "process_start_time_seconds",
Help: "Start time of the process since unix epoch in seconds.",
StabilityLevel: ALPHA,
},
[]string{},
)
// RegisterProcessStartTime registers the process_start_time_seconds to
// a prometheus registry. This metric needs to be included to ensure counter
// data fidelity.
func RegisterProcessStartTime(registrationFunc func(Registerable) error) error {
start, err := getProcessStart()
if err != nil {
klog.Errorf("Could not get process start time, %v", err)
start = float64(time.Now().Unix())
}
processStartTime.WithLabelValues().Set(start)
return registrationFunc(processStartTime)
}
func getProcessStart() (float64, error) {
pid := os.Getpid()
p, err := procfs.NewProc(pid)
if err != nil {
return 0, err
}
if stat, err := p.NewStat(); err == nil {
return stat.StartTime()
}
return 0, err
}