kevinveenbirkenbach/docker-volume-backup
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Optimized code for use of link_dest

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Kevin Veen-Birkenbach 2022-03-28 17:46:32 +02:00
parent 163ee6c7ab
commit 152f11267c
1 changed files with 9 additions and 10 deletions
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19
docker-volume-backup.py
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@ -47,22 +47,20 @@ for volume_name in volume_names:
print('skipped due to no running containers using this volume.') print('skipped due to no running containers using this volume.')
else: else:
container = containers[0] container = containers[0]
source_path = "/var/lib/docker/volumes/" + volume_name + "/_data"
versions_dir_path = backup_repository_folder + "versions/" versions_dir_path = backup_repository_folder + "versions/"
destination_path = versions_dir_path + backup_time + "/" + volume_name general_destination_dir = versions_dir_path + backup_time + "/" + volume_name
databases_entries = databases.loc[databases['container'] == container] databases_entries = databases.loc[databases['container'] == container]
if len(databases_entries) == 1: if len(databases_entries) == 1:
print("Backup database...") print("Backup database...")
sql_cp_source_path = destination_path + "/sql" mysqldump_destination_dir = general_destination_dir + "/sql"
sql_cp_destination_path = destination_path + "/sql" mysqldump_destination_file = mysqldump_destination_dir + "/backup.sql"
sql_destination_dir_file_path = sql_cp_destination_path + "/backup.sql" pathlib.Path(mysqldump_destination_dir).mkdir(parents=True, exist_ok=True)
pathlib.Path(sql_cp_destination_path).mkdir(parents=True, exist_ok=True)
database_entry = databases_entries.iloc[0] database_entry = databases_entries.iloc[0]
database_backup_command="docker exec "+ database_entry["container"] + " /usr/bin/mysqldump -u "+ database_entry["username"] + " -p"+ database_entry["password"] + " "+ database_entry["database"] + " > " + sql_destination_dir_file_path database_backup_command = "docker exec " + database_entry["container"] + " /usr/bin/mysqldump -u " + database_entry["username"] + " -p" + database_entry["password"] + " " + database_entry["database"] + " > " + mysqldump_destination_file
print_bash(database_backup_command) print_bash(database_backup_command)
else: else:
print("Backup files...") print("Backup files...")
files_rsync_destination_path = destination_path + "/files" files_rsync_destination_path = general_destination_dir + "/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)
versions = os.listdir(versions_dir_path) versions = os.listdir(versions_dir_path)
versions.sort(reverse=True) versions.sort(reverse=True)
@ -70,14 +68,15 @@ for volume_name in volume_names:
last_version = versions[0] last_version = versions[0]
last_version_dir_path = versions_dir_path + last_version + "/" + volume_name last_version_dir_path = versions_dir_path + last_version + "/" + volume_name
if os.path.isdir(last_version_dir_path): if os.path.isdir(last_version_dir_path):
link_dest_parameter="--link-dest='" + last_version_dir_path + "'" link_dest_parameter="--link-dest='" + last_version_dir_path + "' "
else: else:
print("No previous version exists in path "+ last_version_dir_path + ".") print("No previous version exists in path "+ last_version_dir_path + ".")
link_dest_parameter="" link_dest_parameter=""
else: else:
print("No previous version exists in path "+ last_version_dir_path + ".") print("No previous version exists in path "+ last_version_dir_path + ".")
link_dest_parameter="" link_dest_parameter=""
rsync_command = "rsync -abP --delete --delete-excluded " + link_dest_parameter + "'" + source_path + "/' " + files_rsync_destination_path source_dir = "/var/lib/docker/volumes/" + volume_name + "/_data/"
rsync_command = "rsync -abP --delete --delete-excluded " + link_dest_parameter + source_dir + files_rsync_destination_path
print_bash(rsync_command) print_bash(rsync_command)
print("stop containers...") print("stop containers...")
print("Backup data after container is stopped...") print("Backup data after container is stopped...")