forked from rook/rook
Sébastien Han
583791c45c
The CSI package needs to load clusterInfo, today this code is in the mon package which makes the call of LoadClusterInfo impossible without having a circular import. Signed-off-by: Sébastien Han <seb@redhat.com>
88 lines
3.1 KiB
Go
88 lines
3.1 KiB
Go
/*
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Copyright 2020 The Rook 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 cleanup
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import (
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"io/ioutil"
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"os"
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"path"
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"path/filepath"
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"github.com/pkg/errors"
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opcontroller "github.com/rook/rook/pkg/operator/ceph/controller"
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)
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// StartHostPathCleanup is the main entrypoint function to clean up dataDirHostPath and monitor store
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func StartHostPathCleanup(namespaceDir, dataDirHostPath, monSecret string) {
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cleanupDirPath := path.Join(dataDirHostPath, namespaceDir)
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if err := os.RemoveAll(cleanupDirPath); err != nil {
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logger.Errorf("failed to clean up %q directory. %v", cleanupDirPath, err)
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} else {
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logger.Infof("successfully cleaned up %q directory", cleanupDirPath)
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}
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cleanMonDirs(dataDirHostPath, monSecret)
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}
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func cleanMonDirs(dataDirHostPath, monSecret string) {
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monDirs, err := filepath.Glob(path.Join(dataDirHostPath, "mon-*"))
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if err != nil {
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logger.Errorf("failed to find the mon directories on the dataDirHostPath %q. %v", dataDirHostPath, err)
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return
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}
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if len(monDirs) == 0 {
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logger.Infof("no mon directories are available for clean up in the dataDirHostPath %q", dataDirHostPath)
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return
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}
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for _, monDir := range monDirs {
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// Clean up mon directory only if mon secret matches with that in the keyring file.
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deleteMonDir, err := secretKeyMatch(monDir, monSecret)
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if err != nil {
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logger.Errorf("failed to clean up the mon directory %q on the dataDirHostPath %q. %v", monDir, dataDirHostPath, err)
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continue
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}
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if deleteMonDir {
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if err := os.RemoveAll(monDir); err != nil {
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logger.Errorf("failed to clean up the mon directory %q on the dataDirHostPath %q. %v", monDir, dataDirHostPath, err)
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} else {
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logger.Infof("successfully cleaned up the mon directory %q on the dataDirHostPath %q", monDir, dataDirHostPath)
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}
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} else {
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logger.Infof("skipped clean up of the mon directory %q as the secret key did not match", monDir)
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}
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}
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}
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func secretKeyMatch(monDir, monSecret string) (bool, error) {
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keyringDirPath := path.Join(monDir, "/data/keyring")
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if _, err := os.Stat(keyringDirPath); os.IsNotExist(err) {
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return false, errors.Wrapf(err, "failed to read keyring %q for the mon directory %q", keyringDirPath, monDir)
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}
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contents, err := ioutil.ReadFile(filepath.Clean(keyringDirPath))
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if err != nil {
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return false, errors.Wrapf(err, "failed to read keyring %q for the mon directory %q", keyringDirPath, monDir)
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}
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extractedKey, err := opcontroller.ExtractKey(string(contents))
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if err != nil {
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return false, errors.Wrapf(err, "failed to extract secret key from the keyring %q for the mon directory %q", keyringDirPath, monDir)
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}
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return monSecret == extractedKey, nil
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}
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