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Author SHA1 Message Date
d13519229b
Add readme. 2023-06-07 23:05:18 +02:00
dbfa74aa26
Fix docker volume backup. 2023-06-07 23:03:06 +02:00
2 changed files with 24 additions and 0 deletions

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README.md Normal file
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# tarback
Create a tar archive from remote resources.
This is more or less equivalent to `ssh host tar files | xz | split
output-file` and its reverse.
Two plugins are available:
- `ssh` handles all the ssh command and filename escaping necessary
- `docker` instead of backing up a remote volume, back up a docker volume
## usage
`tarback -p ssh,docker -s 'ssh $user@$host' create "$remote_volume_name" "$local_tar_archive"`
Create a split tar archive of the remote volume, with the extensions `part{a-z,a-z}`.
`tarback -p ssh,docker -s 'ssh $user@$host' restore "$local_tar_archive" "$remote_volume_name"`
Restore the backup to the remote docker volume.

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_tarback_plugin_docker_cmd='docker run -i --rm --workdir=/mnt --volume="$1":/mnt/"$1" alpine '
TARBACK_TAR_CREATE_COMMAND="$_tarback_plugin_docker_cmd "'tar c -C "/mnt/$1" .'
TARBACK_TAR_EXTRACT_COMMAND="$_tarback_plugin_docker_cmd "'tar x -C "/mnt/$1"'
# Can set file to same as directory command since a docker volume is always a directory
TARBACK_TAR_CREATE_COMMAND_FILE="$_tarback_plugin_docker_cmd "'tar c -C "/mnt/$1" .'
TARBACK_TAR_EXTRACT_COMMAND_FILE="$_tarback_plugin_docker_cmd "'tar x -C "/mnt/$1"'