WIP: Script to backup Docker container data

docker/container.backup

@@ -0,0 +1,66 @@
+#!/bin/sh
+
+# Purpose {{{
+## Backup data of a Docker container.
+## To do that, the script will :
+##	Stop the corresponding container (or docker if no related service is found)
+##	Make a archive of the container's data to a backup path
+##	Clean old backup
+##	Restart the container service (or docker.service)
+# }}}
+# How-to use {{{
+## The container and it's data directory should have the same name.
+# }}}
+
+# Vars {{{
+DEBUG=0
+
+# }}}
+
+# Tests {{{
+
+# Expect at least 1 argument and 3 maximum {{{
+case $# in
+	1 )
+		ct_name="${1}"
+		## Absolut path to the container data
+		docker_data_path="/srv/docker"
+		## Absolut path to store the archives.
+		## A sub-directory will be created for the container
+		docker_backup_path="/mnt/backup/docker"
+		;;
+	2 )
+		ct_name="${1}"
+		docker_data_path="${2}"
+		docker_backup_path="/mnt/backup/docker"
+		;;
+	3 )
+		ct_name="${1}"
+		docker_data_path="${2}"
+		docker_backup_path="${3}"
+		;;
+	* )
+		cat << HELP
+
+container.backup  --
+Backup data of a given Docker container.
+
+EXAMPLE :
+    - Backup data of FIRST_DOCK container
+        container.backup FIRST_DOCK
+
+HELP
+
+		exit 1
+		;;
+esac
+
+	[ "${DEBUG}" -eq "0" ] && printf '\e[1;35m%-6s\e[m\n' "DEBUG : Args management  — Container name to backup : ${ct_name} ."
+	[ "${DEBUG}" -eq "0" ] && printf '\e[1;35m%-6s\e[m\n' "DEBUG : Args management  — Path to Docker data : ${docker_data_path} ."
+	[ "${DEBUG}" -eq "0" ] && printf '\e[1;35m%-6s\e[m\n' "DEBUG : Args management  — Path to store the backup : ${docker_backup_path} ."
+
+# }}}
+
+# }}}
+
+exit 0