Add plugins dir to backup snapshot

- add plugins dir to backup by default.
- mend full backup of system dirs in order to include puppet
  and repos as well.

Closes-Bug: #1462439
Change-Id: Id8327a283c26574088db33e89bdaaa6c7a5e2d41

deployment/puppet/docker/templates/dockerctl_config.erb

@@ -127,7 +127,7 @@ for requirement in "${!REQS[@]}"; do
 done
 
 #backup settings
-SYSTEM_DIRS="/etc/fuel /var/lib/fuel /root/.ssh"
+SYSTEM_DIRS="/etc/fuel /var/lib/fuel /root/.ssh /var/www/nailgun/plugins"
 FULL_BACKUP_DIRS="/etc/puppet /var/www/nailgun"
 BACKUP_ROOT="/var/backup/fuel"
 

files/fuel-docker-utils/dockerctl_config

@@ -127,7 +127,7 @@ for requirement in "${!REQS[@]}"; do
 done
 
 #backup settings
-SYSTEM_DIRS="/etc/fuel /var/lib/fuel /root/.ssh"
+SYSTEM_DIRS="/etc/fuel /var/lib/fuel /root/.ssh /var/www/nailgun/plugins"
 FULL_BACKUP_DIRS="/etc/puppet /var/www/nailgun"
 BACKUP_ROOT="/var/backup/fuel"
 

files/fuel-docker-utils/functions.sh

@@ -577,7 +577,7 @@ function backup_system_dirs {
   tar cf $backup_dir/system-dirs.tar -C / $SYSTEM_DIRS
 
   if [[ "$1" == "--full" ]]; then
-    tar rf $backup_Dir/system-dirs.tar -C / $FULL_BACKUP_DIRS
+    tar rf $backup_dir/system-dirs.tar -C / $FULL_BACKUP_DIRS
   fi
 
   echo "Unpausing containers..."