Fixes #9: Make PostgreSQL Python library configurable so Python 3 can work.

README.md

@@ -21,6 +21,10 @@ Available variables are listed below, along with default values (see `defaults/m
 
 (RHEL/CentOS only) You can set a repo to use for the PostgreSQL installation by passing it in here.
 
+    postgresql_python_library: python-psycopg2
+
+Library used by Ansible to communicate with PostgreSQL. If you are using Python 3 (e.g. set via `ansible_python_interpreter`), you should change this to `python3-psycopg2`.
+
     postgresql_user: postgres
     postgresql_group: postgres
 

defaults/main.yml

@@ -2,6 +2,7 @@
 # RHEL/CentOS only. Set a repository to use for PostgreSQL installation.
 postgresql_enablerepo: ""
 
+postgresql_python_library: python-psycopg2
 postgresql_user: postgres
 postgresql_group: postgres
 

tasks/setup-Debian.yml

@@ -1,9 +1,13 @@
 ---
 - name: Ensure PostgreSQL Python libraries are installed.
-  apt: "name=python-psycopg2 state=installed"
+  apt:
+    name: "{{ postgresql_python_library }}"
+    state: installed
 
 - name: Ensure PostgreSQL packages are installed.
-  apt: "name={{ item }} state=installed"
+  apt:
+    name: "{{ item }}"
+    state: installed
   with_items: "{{ postgresql_packages }}"
 
 - name: Ensure all configured locales are present.

tasks/setup-RedHat.yml

@@ -1,7 +1,13 @@
 ---
 - name: Ensure PostgreSQL packages are installed.
-  package: "name={{ item }} state=installed enablerepo={{ postgresql_enablerepo }}"
+  package:
+    name: "{{ item }}"
+    state: installed
+    enablerepo: "{{ postgresql_enablerepo }}"
   with_items: "{{ postgresql_packages }}"
 
 - name: Ensure PostgreSQL Python libraries are installed.
-  package: "name=python-psycopg2 state=installed enablerepo={{ postgresql_enablerepo }}"
+  package:
+    name: "{{ postgresql_python_library }}"
+    state: installed
+    enablerepo: "{{ postgresql_enablerepo }}"