kevinveenbirkenbach/docker-volume-backup
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Kevin Veen-Birkenbach 2023-12-25 22:19:26 +01:00
parent 79f4cb5e7f
commit b06317ad48
1 changed files with 7 additions and 2 deletions
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9
backup-docker-to-local.py
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@ -37,11 +37,13 @@ def create_backup_directories(base_dir, machine_id, repository_name, backup_time
# Muss modifiziert werden. # Muss modifiziert werden.
def get_database_name(container): def get_database_name(container):
"""Extract the database name from the container name.""" database_name = re.split("(_|-)(database|db)", container)[0]
return re.split("(_|-)(database|db)", container)[0] print(f"Extracted database name: {database_name}")
return database_name
def backup_database(container, databases, version_dir, db_type): def backup_database(container, databases, version_dir, db_type):
"""Backup database (MariaDB or PostgreSQL) if applicable.""" """Backup database (MariaDB or PostgreSQL) if applicable."""
print(f"Starting database backup for {container} using {db_type}...")
database_name = get_database_name(container) database_name = get_database_name(container)
database_entry = databases.loc[databases['database'] == database_name].iloc[0] database_entry = databases.loc[databases['database'] == database_name].iloc[0]
backup_destination_dir = os.path.join(version_dir, "sql") backup_destination_dir = os.path.join(version_dir, "sql")
@ -54,15 +56,18 @@ def backup_database(container, databases, version_dir, db_type):
backup_command = f"PGPASSWORD={database_entry['password']} docker exec -i {container} pg_dump -U {database_entry['username']} -d {database_entry['database']} -h localhost --no-password > {backup_destination_file}" backup_command = f"PGPASSWORD={database_entry['password']} docker exec -i {container} pg_dump -U {database_entry['username']} -d {database_entry['database']} -h localhost --no-password > {backup_destination_file}"
execute_shell_command(backup_command) execute_shell_command(backup_command)
print(f"Database backup for {container} completed.")
# OK # OK
def backup_volume(volume_name, version_dir): def backup_volume(volume_name, version_dir):
"""Backup files of a volume.""" """Backup files of a volume."""
print(f"Starting backup routine for volume: {volume_name}")
files_rsync_destination_path = os.path.join(version_dir, volume_name, "files") files_rsync_destination_path = os.path.join(version_dir, volume_name, "files")
pathlib.Path(files_rsync_destination_path).mkdir(parents=True, exist_ok=True) pathlib.Path(files_rsync_destination_path).mkdir(parents=True, exist_ok=True)
source_dir = f"/var/lib/docker/volumes/{volume_name}/_data/" source_dir = f"/var/lib/docker/volumes/{volume_name}/_data/"
rsync_command = f"rsync -abP --delete --delete-excluded {source_dir} {files_rsync_destination_path}" rsync_command = f"rsync -abP --delete --delete-excluded {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.")
# OK # OK
def has_image(container,image): def has_image(container,image):