Add ability to run wannabag redis importer worker

This adds the ability to run wallabag async import worker that
interacts with a redis service.

Signed-off-by: Jan Losinski <losinski@wh2.tu-dresden.de>

root/entrypoint.sh

@@ -4,5 +4,10 @@ if [ "$1" = "wallabag" ];then
     ansible-playbook -i /etc/ansible/hosts /etc/ansible/entrypoint.yml -c local
     exec s6-svscan /etc/s6/
 fi
+if [ "$1" = "import" ];then
+    ansible-playbook -i /etc/ansible/hosts /etc/ansible/entrypoint.yml -c local --skip-tags=firstrun
+    cd /var/www/wallabag/
+    exec su -c "bin/console wallabag:import:redis-worker -e=prod $2 -vv" -s /bin/sh nobody
+fi
 
 exec "$@"

root/etc/ansible/entrypoint.yml

@@ -34,6 +34,8 @@
         - /var/www/wallabag/data/assets
         - /var/www/wallabag/data/db
       notify: chown dir
+      tags:
+        - firstrun
 
     - name: write parameters.yml
       template:
@@ -59,6 +61,8 @@
         port="{{ database_port }}"
       when: (database_driver == 'pdo_mysql') or
             (database_driver == 'pdo_pgsql')
+      tags:
+        - firstrun
 
     - name: add mariadb db
       mysql_db:
@@ -71,6 +75,8 @@
       notify: run install
       when: (database_driver == 'pdo_mysql') and
             (populate_database == True)
+      tags:
+        - firstrun
 
     - name: add mariadb user
       mysql_user:
@@ -86,6 +92,8 @@
       when: (database_driver == 'pdo_mysql') and
             (database_user != 'root') and
             (populate_database == True)
+      tags:
+        - firstrun
 
     - name: postgresql db
       postgresql_db:
@@ -98,6 +106,8 @@
       notify: run install
       when: (database_driver == 'pdo_pgsql') and 
             (populate_database == True)
+      tags:
+        - firstrun
 
     - name: add postgresql user
       postgresql_user:
@@ -113,6 +123,8 @@
       when: (database_driver == 'pdo_pgsql') and
             (database_user != 'postgres') and
             (populate_database == True)
+      tags:
+        - firstrun
 
     - name: remove cache
       file: