mirror of
https://github.com/kubernetes/node-problem-detector.git
synced 2026-03-02 17:50:34 +00:00
47 lines
1.3 KiB
Go
47 lines
1.3 KiB
Go
/*
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Copyright 2019 The Kubernetes Authors All rights reserved.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package makers
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import (
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"io/ioutil"
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"strings"
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"github.com/golang/glog"
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)
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func init() {
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ProblemGenerators["OOMKill"] = makeOOMKill
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}
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const kmsgPath = "/dev/kmsg"
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func makeOOMKill() {
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const oomKillPattern = `Memory cgroup out of memory: Kill process 1012 (heapster) score 1035 or sacrifice child
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Killed process 1012 (heapster) total-vm:327128kB, anon-rss:306328kB, file-rss:11132kB, shmem-rss:12345kB`
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writeKernelMessageOrDie(oomKillPattern)
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}
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func writeKernelMessageOrDie(msg string) {
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for _, line := range strings.Split(msg, "\n") {
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err := ioutil.WriteFile(kmsgPath, []byte(line), 0644)
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if err != nil {
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glog.Fatalf("Failed writting to %q: %v", kmsgPath, err)
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}
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}
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}
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