kubernetes log_metrics 源码
kubernetes log_metrics 代码
文件路径：/pkg/kubelet/metrics/collectors/log_metrics.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 collectors
import (
"k8s.io/component-base/metrics"
"k8s.io/klog/v2"
statsapi "k8s.io/kubelet/pkg/apis/stats/v1alpha1"
)
var (
descLogSize = metrics.NewDesc(
"kubelet_container_log_filesystem_used_bytes",
"Bytes used by the container's logs on the filesystem.",
[]string{
"uid",
"namespace",
"pod",
"container",
}, nil,
metrics.ALPHA,
"",
)
)
type logMetricsCollector struct {
metrics.BaseStableCollector
podStats func() ([]statsapi.PodStats, error)
}
// Check if logMetricsCollector implements necessary interface
var _ metrics.StableCollector = &logMetricsCollector{}
// NewLogMetricsCollector implements the metrics.StableCollector interface and
// exposes metrics about container's log volume size.
func NewLogMetricsCollector(podStats func() ([]statsapi.PodStats, error)) metrics.StableCollector {
return &logMetricsCollector{
podStats: podStats,
}
}
// DescribeWithStability implements the metrics.StableCollector interface.
func (c *logMetricsCollector) DescribeWithStability(ch chan<- *metrics.Desc) {
ch <- descLogSize
}
// CollectWithStability implements the metrics.StableCollector interface.
func (c *logMetricsCollector) CollectWithStability(ch chan<- metrics.Metric) {
podStats, err := c.podStats()
if err != nil {
klog.ErrorS(err, "Failed to get pod stats")
return
}
for _, ps := range podStats {
for _, c := range ps.Containers {
if c.Logs != nil && c.Logs.UsedBytes != nil {
ch <- metrics.NewLazyConstMetric(
descLogSize,
metrics.GaugeValue,
float64(*c.Logs.UsedBytes),
ps.PodRef.UID,
ps.PodRef.Namespace,
ps.PodRef.Name,
c.Name,
)
}
}
}
}
相关信息
相关文章
kubernetes log_metrics_test 源码
kubernetes resource_metrics 源码
0
赞
热门推荐
-
2、 - 优质文章
-
3、 gate.io
-
7、 golang
-
9、 openharmony
-
10、 Vue中input框自动聚焦