Store postgres passwords encrypted on server

Seems to be required with postgres 10 now.

Signed-off-by: Florian Pritz <bluewind@xinu.at>

roles/kanboard/tasks/main.yml

@@ -30,7 +30,7 @@
   become_user: kanboard
 
 - name: create kanboard db user
-  postgresql_user: name={{ kanboard_db_user }} password={{ kanboard_db_password }}
+  postgresql_user: name={{ kanboard_db_user }} password={{ kanboard_db_password }} encrypted=true
   become: yes
   become_user: postgres
   become_method: su

roles/matrix/tasks/main.yml

@@ -74,7 +74,7 @@
   become_method: su
 
 - name: add synapse postgres user
-  postgresql_user: db=synapse name=synapse password={{ postgres_users.synapse }}
+  postgresql_user: db=synapse name=synapse password={{ postgres_users.synapse }} encrypted=true
   become: yes
   become_user: postgres
   become_method: su

roles/quassel/tasks/main.yml

@@ -10,7 +10,7 @@
   become_method: su
 
 - name: add quassel postgres user
-  postgresql_user: db=quassel name=quassel password={{ postgres_users.quassel }}
+  postgresql_user: db=quassel name=quassel password={{ postgres_users.quassel }} encrypted=true
   become: yes
   become_user: postgres
   become_method: su

roles/zabbix-server/tasks/main.yml

@@ -19,7 +19,7 @@
   file: path=/var/log/nginx/{{ zabbix_domain }} state=directory owner=root group=root mode=0755
 
 - name: create zabbix db user
-  postgresql_user: name={{ zabbix_db_user }} password={{ zabbix_db_password }}
+  postgresql_user: name={{ zabbix_db_user }} password={{ zabbix_db_password }} encrypted=true
   become: yes
   become_user: postgres
   become_method: su