forked from rook/rook
Kristoffer Grönlund
b3ba6b40fd
Similarly to #2675, try to find the rook binary on PATH in case it isn't found in /usr/local/bin/rook. Distributions generally disallow installing files into /usr/local, as it is reserved for non-system installations by the FHS. Signed-off-by: Kristoffer Grönlund <kgronlund@suse.com>
122 lines
3.5 KiB
Go
122 lines
3.5 KiB
Go
/*
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Copyright 2016 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 osd
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import (
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"fmt"
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"io"
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"os"
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"os/exec"
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"path"
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"path/filepath"
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"github.com/rook/rook/pkg/clusterd"
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cephconfig "github.com/rook/rook/pkg/daemon/ceph/config"
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)
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const (
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keyringFileName = "keyring"
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bootstrapOsdKeyring = "bootstrap-osd/ceph.keyring"
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)
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// get the bootstrap OSD root dir
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func getBootstrapOSDDir(configDir string) string {
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return path.Join(configDir, "bootstrap-osd")
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}
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func getOSDRootDir(root string, osdID int) string {
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return filepath.Join(root, fmt.Sprintf("osd%d", osdID))
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}
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// get the full path to the given OSD's config file
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func getOSDConfFilePath(osdDataPath, clusterName string) string {
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return fmt.Sprintf("%s/%s.config", osdDataPath, clusterName)
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}
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// get the full path to the given OSD's keyring
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func getOSDKeyringPath(osdDataPath string) string {
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return filepath.Join(osdDataPath, keyringFileName)
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}
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// get the full path to the given OSD's journal
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func getOSDJournalPath(osdDataPath string) string {
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return filepath.Join(osdDataPath, "journal")
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}
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// get the full path to the given OSD's temporary mon map
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func getOSDTempMonMapPath(osdDataPath string) string {
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return filepath.Join(osdDataPath, "tmp", "activate.monmap")
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}
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// create a keyring for the bootstrap-osd client, it gets a limited set of privileges
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func createOSDBootstrapKeyring(context *clusterd.Context, clusterName, rootDir string) error {
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username := "client.bootstrap-osd"
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keyringPath := path.Join(rootDir, bootstrapOsdKeyring)
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access := []string{"mon", "allow profile bootstrap-osd"}
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keyringEval := func(key string) string {
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return fmt.Sprintf(bootstrapOSDKeyringTemplate, key)
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}
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return cephconfig.CreateKeyring(context, clusterName, username, keyringPath, access, keyringEval)
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}
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// CopyBinariesForDaemon copies the "tini" and "rook" binaries to a shared volume at the target path.
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// This is necessary for the filestore on a device scenario when rook needs to mount a directory
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// in the same container as the ceph process so it can be unmounted upon exit.
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func CopyBinariesForDaemon(target string) error {
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if err := copyBinary("/usr/local/bin", target, "rook"); err != nil {
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return err
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}
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return copyBinary("/", target, "tini")
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}
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func copyBinary(sourceDir, targetDir, filename string) error {
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sourcePath := path.Join(sourceDir, filename)
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targetPath := path.Join(targetDir, filename)
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logger.Infof("copying %s to %s", sourcePath, targetPath)
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// Check if the source path exists, and look in PATH if it doesn't
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if _, err := os.Stat(sourcePath); err != nil {
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if sourcePath, err = exec.LookPath(filename); err != nil {
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return err
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}
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}
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// Check if the target path exists, and skip the copy if it does
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if _, err := os.Stat(targetPath); err == nil {
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return nil
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}
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sourceFile, err := os.Open(sourcePath)
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if err != nil {
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return err
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}
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defer sourceFile.Close()
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destinationFile, err := os.Create(targetPath)
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if err != nil {
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return err
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}
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defer destinationFile.Close()
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if _, err := io.Copy(destinationFile, sourceFile); err != nil {
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return err
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}
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return os.Chmod(targetPath, 0755)
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}
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