mirror of
https://github.com/offen/docker-volume-backup.git
synced 2024-11-10 00:30:29 +01:00
Frederik Ring
0504a92a1f
* Add option to run pre commands on arbitrary container * Correctly handle quoted args in commands * Provide defaults for test version arg * Allow filtering of target containers * Add documentation on exec commands * Use mysqldump in exec test * Add mysqldump section to recipes * Also run commands test in swarm mode * Use name instead of id * Add syntax highlighting * Add missing license headers
65 lines
1.3 KiB
Go
65 lines
1.3 KiB
Go
// Copyright 2021-2022 - Offen Authors <hioffen@posteo.de>
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// SPDX-License-Identifier: MPL-2.0
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package main
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import (
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"os"
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)
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func main() {
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unlock := lock("/var/lock/dockervolumebackup.lock")
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defer unlock()
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s, err := newScript()
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if err != nil {
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panic(err)
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}
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defer func() {
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if pArg := recover(); pArg != nil {
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if err, ok := pArg.(error); ok {
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if hookErr := s.runHooks(err); hookErr != nil {
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s.logger.Errorf("An error occurred calling the registered hooks: %s", hookErr)
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}
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os.Exit(1)
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}
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panic(pArg)
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}
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if err := s.runHooks(nil); err != nil {
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s.logger.Errorf(
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"Backup procedure ran successfully, but an error ocurred calling the registered hooks: %v",
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err,
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)
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os.Exit(1)
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}
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s.logger.Info("Finished running backup tasks.")
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}()
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s.must(func() error {
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runPostCommands, err := s.runCommands()
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defer func() {
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s.must(runPostCommands())
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}()
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if err != nil {
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return err
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}
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restartContainers, err := s.stopContainers()
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// The mechanism for restarting containers is not using hooks as it
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// should happen as soon as possible (i.e. before uploading backups or
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// similar).
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defer func() {
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s.must(restartContainers())
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}()
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if err != nil {
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return err
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}
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return s.takeBackup()
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}())
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s.must(s.encryptBackup())
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s.must(s.copyBackup())
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s.must(s.pruneBackups())
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}
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