fix(remote-backup.sh): remove backups older 6 months and create a full copy every month.

Author: php-coder

vagrant/provisioning/roles/mystamps-backup/templates/remote-backup.sh

@@ -6,16 +6,20 @@ set -o errexit
 UPLOADS_DST='{{ uploads_target_url }}'
 MYSQL_BACKUPS_DST='{{ mysql_backups_target_url }}'
 PASSPHRASE='{{ gpg_passphrase }}'
-DUPLICITY_CMD='duplicity --no-compression'
+DUPLICITY_CMD='duplicity --no-compression --full-if-older-than 1M'
 
 case "${1:-}" in
 	'uploads')
 		su mystamps 2>&1 \
 			-c "${DUPLICITY_CMD} --name=uploads --no-encryption /data/uploads ${UPLOADS_DST}"
+		su mystamps 2>&1 \
+			-c "duplicity remove-older-than 6M ${UPLOADS_DST}"
 		;;
 	'mysql-backups')
 		PASSPHRASE="$PASSPHRASE" su mystamps 2>&1 \
 			-c "${DUPLICITY_CMD} --name=mysql-backups /data/backups ${MYSQL_BACKUPS_DST}"
+		su mystamps 2>&1 \
+			-c "duplicity remove-older-than 6M ${MYSQL_BACKUPS_DST}"
 		;;
 	*)
 		echo 2>&1 "Usage: $(dirname "$0") (uploads|mysql-backups)"