mirror of
https://github.com/ceph/ceph-csi.git
synced 2024-11-26 16:20:28 +00:00
e8784ec094
Some commands were executed in ceph-csi, but users do not know what commands with what options were executed. Hence, it is difficult to debug once the command did not work fine. This patch adds logging what commmand and options are executed.
138 lines
3.3 KiB
Go
138 lines
3.3 KiB
Go
/*
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Copyright 2018 The Kubernetes Authors.
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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 cephfs
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import (
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"bytes"
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"encoding/json"
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"fmt"
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"os/exec"
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"github.com/golang/glog"
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"google.golang.org/grpc/codes"
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"google.golang.org/grpc/status"
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"k8s.io/kubernetes/pkg/util/keymutex"
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"k8s.io/kubernetes/pkg/util/mount"
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)
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func execCommand(command string, args ...string) ([]byte, error) {
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cmd := exec.Command(command, args...)
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return cmd.CombinedOutput()
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}
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func execCommandAndValidate(program string, args ...string) error {
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glog.V(4).Infof("cephfs: executing command: %s with args: %s", program, args)
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out, err := execCommand(program, args...)
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if err != nil {
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return fmt.Errorf("cephfs: %s failed with following error: %s\ncephfs: %s output: %s", program, err, program, out)
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}
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return nil
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}
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func execCommandJson(v interface{}, program string, args ...string) error {
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cmd := exec.Command(program, args...)
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out, err := cmd.CombinedOutput()
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if err != nil {
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return err
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}
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return json.NewDecoder(bytes.NewReader(out)).Decode(v)
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}
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func isMountPoint(p string) (bool, error) {
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notMnt, err := mount.New("").IsLikelyNotMountPoint(p)
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if err != nil {
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return false, status.Error(codes.Internal, err.Error())
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}
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return !notMnt, nil
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}
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func tryLock(id string, mtx keymutex.KeyMutex, name string) error {
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// TODO uncomment this once TryLockKey gets into Kubernetes
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/*
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if !mtx.TryLockKey(id) {
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msg := fmt.Sprintf("%s has a pending operation on %s", name, req.GetVolumeId())
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glog.Infoln(msg)
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return status.Error(codes.Aborted, msg)
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}
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*/
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return nil
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}
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func storeCephUserCredentials(volUuid string, cr *credentials, volOptions *volumeOptions) error {
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keyringData := cephKeyringData{
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UserId: cr.id,
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Key: cr.key,
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RootPath: volOptions.RootPath,
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VolumeUuid: volUuid,
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}
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if volOptions.ProvisionVolume {
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keyringData.Pool = volOptions.Pool
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keyringData.Namespace = getVolumeNamespace(volUuid)
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}
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return storeCephCredentials(volUuid, cr, &keyringData)
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}
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func storeCephAdminCredentials(volUuid string, cr *credentials) error {
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return storeCephCredentials(volUuid, cr, &cephFullCapsKeyringData{UserId: cr.id, Key: cr.key, VolumeUuid: volUuid})
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}
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func storeCephCredentials(volUuid string, cr *credentials, keyringData cephConfigWriter) error {
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if err := keyringData.writeToFile(); err != nil {
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return err
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}
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secret := cephSecretData{
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UserId: cr.id,
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Key: cr.key,
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VolumeUuid: volUuid,
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}
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if err := secret.writeToFile(); err != nil {
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return err
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}
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return nil
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}
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func newMounter(volOptions *volumeOptions) volumeMounter {
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mounter := volOptions.Mounter
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if mounter == "" {
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mounter = DefaultVolumeMounter
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}
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glog.V(4).Infof("cephfs: setting volume mounter to: %s", mounter)
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switch mounter {
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case volumeMounter_fuse:
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return &fuseMounter{}
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case volumeMounter_kernel:
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return &kernelMounter{}
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}
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return nil
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}
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