kevinveenbirkenbach/docker-volume-backup
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Implemented dynamic storage path identification

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Kevin Veen-Birkenbach 2024-01-06 13:27:17 +01:00
parent 00fd102f81
commit 850fc3bf0c
1 changed files with 4 additions and 1 deletions
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5
backup-docker-to-local.py
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@ -123,6 +123,9 @@ def get_last_backup_dir(volume_name, current_backup_dir):
print(f"No previous backups available for volume: {volume_name}") print(f"No previous backups available for volume: {volume_name}")
return None return None
def getStoragePath(volume_name):
return execute_shell_command(f"docker volume inspect {volume_name} | jq -r '.[0].Mountpoint'")
def backup_volume(volume_name, volume_dir): def backup_volume(volume_name, volume_dir):
"""Backup files of a volume with incremental backups.""" """Backup files of a volume with incremental backups."""
print(f"Starting backup routine for volume: {volume_name}") print(f"Starting backup routine for volume: {volume_name}")
@ -132,7 +135,7 @@ def backup_volume(volume_name, volume_dir):
last_backup_dir = get_last_backup_dir(volume_name, files_rsync_destination_path) last_backup_dir = get_last_backup_dir(volume_name, files_rsync_destination_path)
link_dest_option = f"--link-dest='{last_backup_dir}'" if last_backup_dir else "" link_dest_option = f"--link-dest='{last_backup_dir}'" if last_backup_dir else ""
source_dir = f"/var/lib/docker/volumes/{volume_name}/_data/" source_dir = getStoragePath(volume_name)
rsync_command = f"rsync -abP --delete --delete-excluded {link_dest_option} {source_dir} {files_rsync_destination_path}" rsync_command = f"rsync -abP --delete --delete-excluded {link_dest_option} {source_dir} {files_rsync_destination_path}"
execute_shell_command(rsync_command) execute_shell_command(rsync_command)
print(f"Backup routine for volume: {volume_name} completed.") print(f"Backup routine for volume: {volume_name} completed.")