mirror of
https://github.com/ceph/ceph-csi.git
synced 2024-11-27 08:40:23 +00:00
56 lines
1.8 KiB
Go
56 lines
1.8 KiB
Go
/*
|
|
Copyright 2016 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 kuberuntime
|
|
|
|
import (
|
|
"fmt"
|
|
"path"
|
|
|
|
kubecontainer "k8s.io/kubernetes/pkg/kubelet/container"
|
|
)
|
|
|
|
// This file implements the functions that are needed for backward
|
|
// compatibility. Therefore, it imports various kubernetes packages
|
|
// directly.
|
|
|
|
const (
|
|
// legacyContainerLogsDir is the legacy location of container logs. It is the same with
|
|
// kubelet.containerLogsDir.
|
|
legacyContainerLogsDir = "/var/log/containers"
|
|
// legacyLogSuffix is the legacy log suffix.
|
|
legacyLogSuffix = "log"
|
|
|
|
ext4MaxFileNameLen = 255
|
|
)
|
|
|
|
// legacyLogSymlink composes the legacy container log path. It is only used for legacy cluster
|
|
// logging support.
|
|
func legacyLogSymlink(containerID string, containerName, podName, podNamespace string) string {
|
|
return logSymlink(legacyContainerLogsDir, kubecontainer.BuildPodFullName(podName, podNamespace),
|
|
containerName, containerID)
|
|
}
|
|
|
|
func logSymlink(containerLogsDir, podFullName, containerName, dockerId string) string {
|
|
suffix := fmt.Sprintf(".%s", legacyLogSuffix)
|
|
logPath := fmt.Sprintf("%s_%s-%s", podFullName, containerName, dockerId)
|
|
// Length of a filename cannot exceed 255 characters in ext4 on Linux.
|
|
if len(logPath) > ext4MaxFileNameLen-len(suffix) {
|
|
logPath = logPath[:ext4MaxFileNameLen-len(suffix)]
|
|
}
|
|
return path.Join(containerLogsDir, logPath+suffix)
|
|
}
|