Allow restic to be run from outside

restic-auto/docker-entrypoint.sh

@@ -30,13 +30,9 @@ if [ -d /crontabs ] ; then
 	for f in /crontabs/* ; do
 		crontab -u $(basename $f) $f
 	done
-else
+elif [[ "$BACKUP_CRONTAB" ]] ; then
 	echo "# This crontab is generated by the entrypoint script, do not edit" > /tmp/crontab
-	if [[ "$BACKUP_CRONTAB" ]] ; then
 	echo -n "$BACKUP_CRONTAB" >> /tmp/crontab
-	else
-		echo -n "0 4 * * *" >> /tmp/crontab
-	fi
 	if [[ "$HC_PING_KEY" ]] ; then
 		echo -n " runitor -slug ${HOSTNAME}-restic-backup --" >> /tmp/crontab
 	fi

restic-auto/restic-auto

@@ -1,6 +1,6 @@
 #!/bin/bash
 
-# Backup one directory
+# Backup one directory (from the mounted filesystem)
 function backup_dir {
 	# Check if the dir to backup is mounted as a subdirectory of /root inside this container
 	if [ "$1" = "" ]; then
@@ -15,6 +15,7 @@ function backup_dir {
 	fi
 }
 
+# Backup one directory (from the local filesystem)
 function backup_local_dir {
 	if [ "$1" = "" ]; then
 		echo "[ERROR] Cannot backup the root directory. Have you correctly configured the volumes to backup for this container ?"
@@ -46,11 +47,12 @@ if [ "$(restic --no-lock list locks -q)" != "" ]; then
 	fi
 fi
 
-count_success=0
-count_failure=0
+if [ "$1" == "" ] || [ "$1" == "backup" ]; then
+	count_success=0
+	count_failure=0
 
-# List all the containers
-for container_id in $(docker ps -aq) ; do
+	# List all the containers
+	for container_id in $(docker ps -aq) ; do
 		container_json=$(docker inspect $container_id)
 		# Get the name and namespace (in case of a container run in a swarm stack)
 		container_name=$(echo $container_json | jq -r '.[].Name' | cut -d'/' -f2)
@@ -137,19 +139,23 @@ for container_id in $(docker ps -aq) ; do
 				docker exec $container_id bash -c "rm /tmp/database_backup.sql.gz"
 			done
 		fi
-done
+	done
 
-# Send a notification to Slack
-if [[ "$SLACK_URL" != "" ]] ; then
+	# Send a notification to Slack
+	if [[ "$SLACK_URL" != "" ]] ; then
 		curl -o /dev/null -s -m 10 --retry 5 -X POST --data-urlencode "payload={\"username\": \"rpi-docker-backup\", \"icon_emoji\": \":dvd:\", \"text\": \"Backup finished on host $HOSTNAME : $count_success succeeded, $count_failure failed\"}" $SLACK_URL
-fi
+	fi
 
-# Send a notification to Gotify
-if [[ "$GOTIFY_URL" != "" ]] ; then
+	# Send a notification to Gotify
+	if [[ "$GOTIFY_URL" != "" ]] ; then
 		curl -o /dev/null -s -m 10 --retry 5 -X POST -H "accept: application/json" -H "Content-Type: application/json" -d "{\"priority\": 5, \"title\": \"Backup finished on host $HOSTNAME\", \"message\": \"Backup finished on host $HOSTNAME : $count_success succeeded, $count_failure failed\"}" $GOTIFY_URL
-fi
+	fi
 
-# Return a non zero exit code if an error happened
-if [ $count_failure -ne 0 ]; then
+	# Return a non zero exit code if an error happened
+	if [ $count_failure -ne 0 ]; then
 		exit -1
+	fi
+elif [ "$1" == "maintenance" ] ; then
+	restic forget -q --keep-daily 7 --keep-weekly 4 --keep-monthly 12 --keep-yearly 2 --prune && restic prune -q
+
 fi