containerd/metrics/cgroups/v2/pids.go
Akihiro Suda 8f870c233f support cgroup2
* only shim v2 runc v2 ("io.containerd.runc.v2") is supported
* only PID metrics is implemented. Others should be implemented in separate PRs.
* lots of code duplication in v1 metrics and v2 metrics. Dedupe should be separate PR.

Signed-off-by: Akihiro Suda <akihiro.suda.cz@hco.ntt.co.jp>
2019-12-12 02:56:51 +09:00

61 lines
1.4 KiB
Go

// +build linux
/*
Copyright The containerd 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 v2
import (
v2 "github.com/containerd/containerd/metrics/types/v2"
metrics "github.com/docker/go-metrics"
"github.com/prometheus/client_golang/prometheus"
)
var pidMetrics = []*metric{
{
name: "pids_v2",
help: "The limit to the number of pids allowed",
unit: metrics.Unit("limit"),
vt: prometheus.GaugeValue,
getValues: func(stats *v2.Metrics) []value {
if stats.Pids == nil {
return nil
}
return []value{
{
v: float64(stats.Pids.Limit),
},
}
},
},
{
name: "pids_v2",
help: "The current number of pids",
unit: metrics.Unit("current"),
vt: prometheus.GaugeValue,
getValues: func(stats *v2.Metrics) []value {
if stats.Pids == nil {
return nil
}
return []value{
{
v: float64(stats.Pids.Current),
},
}
},
},
}