containerd/pkg/cri/io/metrics.go
Sophie Liu 3e4449862b Add logging volume metrics to Containerd CRI plugin
Signed-off-by: Sophie Liu <sophieliu@google.com>
2022-10-19 10:47:49 -04:00

43 lines
1.5 KiB
Go

/*
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 io
import "github.com/docker/go-metrics"
var (
inputEntries metrics.Counter
outputEntries metrics.Counter
inputBytes metrics.Counter
outputBytes metrics.Counter
splitEntries metrics.Counter
)
func init() {
// These CRI metrics record input and output logging volume.
ns := metrics.NewNamespace("containerd", "cri", nil)
inputEntries = ns.NewCounter("input_entries", "Number of log entries received")
outputEntries = ns.NewCounter("output_entries", "Number of log entries successfully written to disk")
inputBytes = ns.NewCounter("input_bytes", "Size of logs received")
outputBytes = ns.NewCounter("output_bytes", "Size of logs successfully written to disk")
splitEntries = ns.NewCounter("split_entries", "Number of extra log entries created by splitting the "+
"original log entry. This happens when the original log entry exceeds length limit. "+
"This metric does not count the original log entry.")
metrics.Register(ns)
}