mirror of
https://github.com/kevinveenbirkenbach/docker-volume-backup.git
synced 2024-10-18 10:13:10 +02:00
69 lines
3.2 KiB
Python
69 lines
3.2 KiB
Python
#!/bin/python
|
|
# Backups volumes of running containers
|
|
#
|
|
import subprocess
|
|
import os, sys
|
|
from datetime import datetime
|
|
|
|
def bash(command):
|
|
stdout=subprocess.Popen([command],stdout=subprocess.PIPE, shell=True).stdout.read()
|
|
if isinstance(stdout, list):
|
|
return subprocess.Popen([command],stdout=subprocess.PIPE, shell=True).stdout.read()
|
|
else:
|
|
return subprocess.Popen([command],stdout=subprocess.PIPE, shell=True).stdout.read()
|
|
|
|
def list_to_string(list):
|
|
list_string=""
|
|
for element in list:
|
|
list_string=list_string + " " + (element.decode("utf-8"))
|
|
return list_string;
|
|
|
|
print('start backup routine...')
|
|
print('start volume backups...')
|
|
backup_time=datetime.now().strftime("%Y%m%d%H%M%S")
|
|
backups_folder='/Backups/'
|
|
repository_name=os.path.basename(os.path.dirname(__file__))
|
|
machine_id=bash("sha256sum /etc/machine-id").decode("utf-8")[0:64]
|
|
backup_repository_folder=backups_folder + machine_id + "/" + repository_name + "/"
|
|
volume_names=bash("docker volume ls --format '{{.Name}}'").splitlines()
|
|
for volume_name in volume_names:
|
|
volume_name=volume_name.decode("utf-8")
|
|
print('start backup routine for volume: ' + volume_name);
|
|
containers=bash("docker ps --filter volume=\""+ volume_name +"\" --format '{{.Names}}'").splitlines()
|
|
container=containers[0].decode("utf-8")
|
|
if len(containers) == 0:
|
|
print('skipped due to no running containers using this volume.');
|
|
else:
|
|
print("stop containers:");
|
|
print(bash("docker stop " + list_to_string(containers)))
|
|
# for source_path in $(docker inspect --format "{{ range .Mounts }}{{ if eq .Type \"volume\"}}{{ if eq .Name \"$volume_name\"}}{{ println .Destination }}{{ end }}{{ end }}{{ end }}" "$container");
|
|
# do
|
|
# destination_path="$backup_repository_folder""latest/$volume_name" &&
|
|
# raw_destination_path="$destination_path/raw" &&
|
|
# prepared_destination_path="$destination_path/prepared" &&
|
|
# log_path="$backup_repository_folder""log.txt" &&
|
|
# backup_dir_path="$backup_repository_folder""diffs/$backup_time/$volume_name" &&
|
|
# raw_backup_dir_path="$backup_dir_path/raw" &&
|
|
# prepared_backup_dir_path="$backup_dir_path/prepared" || exit 1
|
|
# if [ -d "$destination_path" ]
|
|
# then
|
|
# print('backup volume: $volume_name');
|
|
# else
|
|
# print('first backup volume: $volume_name');
|
|
# mkdir -vp "$raw_destination_path" &&
|
|
# mkdir -vp "$raw_backup_dir_path" &&
|
|
# mkdir -vp "$prepared_destination_path" &&
|
|
# mkdir -vp "$prepared_backup_dir_path" || exit 1
|
|
# fi
|
|
# docker run --rm --volumes-from "$container" -v "$backups_folder:$backups_folder" "kevinveenbirkenbach/alpine-rsync" sh -c "
|
|
# rsync -abP --delete --delete-excluded --log-file=$log_path --backup-dir=$raw_backup_dir_path '$source_path/' $raw_destination_path" &&
|
|
print(bash("docker start " + list_to_string(containers)))
|
|
# done
|
|
# fi
|
|
# print('end backup routine for volume: $volume_name');
|
|
# done
|
|
print('finished volume backups.')
|
|
print('restart docker service...')
|
|
# systemctl restart docker || exit 1
|
|
print('finished backup routine.')
|