88 lines
2.2 KiB
Go
88 lines
2.2 KiB
Go
/*
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© Copyright IBM Corporation 2017
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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 main
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import (
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"log"
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"os"
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"path/filepath"
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"runtime"
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"syscall"
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)
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//const mainDir string := "/mnt/mqm"
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const mqmUID uint32 = 1000
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const mqmGID uint32 = 1000
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func createVolume(path string) error {
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// fi, err := os.Stat(path)
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// if err != nil {
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// if os.IsNotExist(err) {
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// // TODO: Should this be fatal?
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// //log.Warnf("No volume found under %v", path)
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// return nil
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// } else {
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// return err
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// }
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// }
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//log.Printf("%v details: %v", path, fi.Sys())
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dataPath := filepath.Join(path, "data")
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fi, err := os.Stat(dataPath)
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if err != nil {
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if os.IsNotExist(err) {
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err = os.MkdirAll(dataPath, 0755)
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if err != nil {
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return err
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}
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} else {
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return err
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}
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}
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fi, err = os.Stat(dataPath)
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if err != nil {
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return err
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}
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sys := fi.Sys()
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if sys != nil && runtime.GOOS == "linux" {
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// log.Printf("Checking UID/GID for %v", dataPath)
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//log.Debugf("Checking UID/GID for %v", dataPath)
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stat := sys.(*syscall.Stat_t)
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if stat.Uid != mqmUID || stat.Gid != mqmGID {
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err = os.Chown(dataPath, int(mqmUID), int(mqmGID))
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if err != nil {
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log.Printf("Error: Unable to change ownership of %v", dataPath)
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return err
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}
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}
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}
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return nil
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}
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// If /mnt/mqm exists
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// If /mnt/mqm contains a "data" directory AND data is owned by mqm:mqm AND data is writeable by mqm:mqm then
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// Create Symlink from /var/mqm to /mnt/mqm/data
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// Else
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// // Try to sort it out
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// Create directory /mnt/mqm/data
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// If directory not already owned by mqm:mqm
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// chown mqm:mqm
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// if error
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// delete directory again if empty
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// if directory not already 0755
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// chmod 0755
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// if error
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// delete directory again if empty
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