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Bash wrapper script for automated backups with duplicity supporting Amazon's S3 online storage as well as other storage destinations (ftp, rsync, sftp, local storage...).
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jobidon/duplicity-backup
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ABOUT THIS SCRIPT ================= This bash script was designed to automate and simplify the remote backup process of duplicity on Amazon S3 primarily. Other backup destinations are possible (FTP, SFTP, SCP, rsync, file...), i.e. any of duplicity's supported outputs. After your script is configured, you can easily backup, restore, verify and clean (either via cron or manually) your data without having to remember lots of different command options and passphrases. Most importantly, you can easily backup the script and your gpg key in a convenient passphrase-encrypted file. This comes in in handy if/when your machine ever does go belly up. Optionally, you can set up an email address where the log file will be sent, which is useful when the script is used via cron. This version is a rewriting of the code originally written by Damon Timm, including many patches that have been brought to the original scripts by various forks on Github. Latest version of the code available at: http://github.com/zertrin/duplicity-backup Merge requests are welcome :) More information about this script available at: http://zertrin.org/projects/duplicity-backup/ The original version of the code is availabe at: http://github.com/theterran/dt-s3-backup BEFORE YOU START ================ This script requires user configuration. Instructions are in the config file itself and should be self-explanatory. Please DO NOT edit the example config file, but make a copy of it and edit this one. Be sure to replace all the *foobar* values with your real ones. Almost every value needs to be configured in someway. You can use one copy of the script with different settings for different backup scenarios. It is designed to run as a cron job and will log information to a text file (including remote file sizes, if you have s3cmd installed). Be sure to make the script executable (chmod +x) before you hit the gas. REQUIREMENTS ============ * duplicity * gpg * Basic utilities like: which, tee * Amazon S3 (optional) * s3cmd (optional) * mailx (optional) CONFIGURATION ============= The configuration takes place in a separate config file and is documented there. You want to copy duplicity-backup.conf.example to another place that suits your needs (for example /etc/duplicity-backup.conf) The script looks for its configuration by reading the config file specified by the command line option -c or --config (see USAGE) If no config file was given on the command line, the script will try to find the file specified in the CONFIG parameter at the beggining of the script (defaults to "duplicity-backup.conf" in the script's directory). So be sure either: - to specify the configuration file path on the command line [recommended] - or to edit the CONFIG parameter in the script to match the actual location of your config file. [deprecated] NOTE: to ease future updates of the script, you may prefer NOT to edit the script at all and to specify systematically the path to your config file on the command line with the -c or --config option. USAGE ===== duplicity-backup.sh [options] Options: -c, --config CONFIG_FILE specify the config file to use -b, --backup runs an incremental backup -f, --full forces a full backup -v, --verify verifies the backup --restore [PATH] restores the entire backup to [path] --restore-file [FILE_TO_RESTORE] [DESTINATION] restore a specific file -l, --list-current-files lists the files currently backed up in the archive -s, --collection-status show all the backup sets in the archive -t, --time TIME specify the time from which to restore or list files (duplicity time format) --backup-script automatically backup the script and secret key to the current working directory -n, --dry-run perform a trial run with no changes made COMMON USAGE EXAMPLES ===================== * View help: $ duplicity-backup.sh * Run an incremental backup: $ duplicity-backup.sh [-c config_file] --backup * Force a one-off full backup: $ duplicity-backup.sh [-c config_file] --full * Restore your entire backup: $ duplicity-backup.sh [-c config_file] --restore You will be prompted for a restore directory $ duplicity-backup.sh [-c config_file] --restore /home/user/restore-folder You can also provide a restore folder on the command line. * Restore a specific file in the backup: $ duplicity-backup.sh [-c config_file] --restore-file You will be prompted for a file to restore to the current directory $ duplicity-backup.sh [-c config_file] --restore-file img/mom.jpg Restores the file img/mom.jpg to the current directory $ duplicity-backup.sh [-c config_file] --restore-file img/mom.jpg /home/user/i-love-mom.jpg Restores the file img/mom.jpg to /home/user/i-love-mom.jpg * List files in the remote archive $ duplicity-backup.sh [-c config_file] --list-current-files * Verify the backup $ duplicity-backup.sh [-c config_file] --verify * Backup the script and gpg key (for safekeeping) $ duplicity-backup.sh [-c config_file] --backup-script TROUBLESHOOTING =============== This script attempts to simplify the task of running a duplicity command; if you are having any problems with the script the first step is to determine if the script is generating an incorrect command or if duplicity itself is causing your error. To see exactly what is happening when you run duplicity-backup, either pass the option -n or --dry-run on the command line, or head to the bottom of the configuration file and uncomment the `ECHO=$(which echo)` variable. This will stop the script from running and will, instead, output the generated command into your log file. You can then check to see if what is being generated is causing an error or if it is duplicity causing you woe. NEXT VERSION WISH LIST ====================== * --restore-dir option Thanks to Mario Santagiuliana and Razvan for their help.
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Bash wrapper script for automated backups with duplicity supporting Amazon's S3 online storage as well as other storage destinations (ftp, rsync, sftp, local storage...).
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