d4science-ghn-cluster: playbook to configure a postgresql/pgpool cluster in the dev environment.

postgresql/defaults/main.yml

@@ -3,8 +3,10 @@
 pg_use_postgresql_org_repo: True
 
 psql_postgresql_install: True
+psql_pkg_state: installed
 postgresql_enabled: True
 psql_pgpool_install: False
+psql_pgpool_pkg_state: installed
 # 9.3 is the default version for Ubuntu trusty
 # It is highly recommended to use the postgresql.org repositories
 #

postgresql/tasks/packages.yml

@@ -1,12 +1,12 @@
 ---
 - name: install the postgresql packages
-  apt: pkg={{ item }} state=installed
+  apt: pkg={{ item }} state={{ psql_pkg_state }}
   with_items: '{{ postgresql_pkgs }}'
   notify: Restart postgresql
   tags: [ 'postgresql', 'postgres' ]
 
 - name: Install the packages that ansible needs to manage the postgresql users and databases
-  apt: pkg={{ item }} state=installed
+  apt: pkg={{ item }} state={{ psql_pkg_state }}
   with_items:
     - python-psycopg2
   tags: [ 'postgresql', 'postgres' ]

postgresql/tasks/pgpool-ii.yml

@@ -1,6 +1,6 @@
 ---
 - name: Install the pgpool package
-  apt: name={{ item }} state=installed
+  apt: name={{ item }} state={{ psql_pgpool_pkg_state }}
   with_items: '{{ pgpool_pkgs }}'
   tags: [ 'postgresql', 'pgpool' ]