In between commit rewriting in python

README.md

@@ -35,6 +35,9 @@ docker run -it --entrypoint /bin/sh --rm --volumes-from {{container_name}} -v /B
 ## Optimation
 This setup script is not optimized yet for performance. Please optimized this script for performance if you want to use it in a professional environment.
 
+## Stucking rsync
+- https://stackoverflow.com/questions/20773118/rsync-suddenly-hanging-indefinitely-during-transfers
+
 ## More information
 - https://docs.docker.com/storage/volumes/
 - https://blog.ssdnodes.com/blog/docker-backup-volumes/
@@ -42,3 +45,4 @@ This setup script is not optimized yet for performance. Please optimized this sc
 - https://gist.github.com/spalladino/6d981f7b33f6e0afe6bb
 - https://stackoverflow.com/questions/26331651/how-can-i-backup-a-docker-container-with-its-data-volumes
 - https://netfuture.ch/2013/08/simple-versioned-timemachine-like-backup-using-rsync/
+- https://zwischenzugs.com/2016/08/29/bash-to-python-converter/

docker-volume-backup.py

@@ -0,0 +1,68 @@
+#!/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.')