add roles

roles/geerlingguy.postgresql/molecule/default/molecule.yml

@@ -0,0 +1,29 @@
+---
+dependency:
+  name: galaxy
+driver:
+  name: docker
+lint:
+  name: yamllint
+  options:
+    config-file: molecule/default/yaml-lint.yml
+platforms:
+  - name: instance
+    image: "geerlingguy/docker-${MOLECULE_DISTRO:-centos7}-ansible:latest"
+    command: ${MOLECULE_DOCKER_COMMAND:-""}
+    volumes:
+      - /sys/fs/cgroup:/sys/fs/cgroup:ro
+    privileged: true
+    pre_build_image: true
+provisioner:
+  name: ansible
+  lint:
+    name: ansible-lint
+  playbooks:
+    converge: ${MOLECULE_PLAYBOOK:-playbook.yml}
+scenario:
+  name: default
+verifier:
+  name: testinfra
+  lint:
+    name: flake8

roles/geerlingguy.postgresql/molecule/default/playbook.yml

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+---
+- name: Converge
+  hosts: all
+  become: true
+
+  vars:
+    postgresql_databases:
+      - name: example
+    postgresql_users:
+      - name: jdoe
+
+  pre_tasks:
+    - name: Update apt cache.
+      apt: update_cache=true cache_valid_time=600
+      when: ansible_os_family == 'Debian'
+
+    - name: Set custom variables for old CentOS 6 PostgreSQL install.
+      set_fact:
+        postgresql_hba_entries: []
+        postgresql_global_config_options:
+          - option: unix_socket_directory
+            value: '{{ postgresql_unix_socket_directories[0] }}'
+      when:
+        - ansible_os_family == 'RedHat'
+        - ansible_distribution_version.split('.')[0] == '6'
+
+  roles:
+    - role: geerlingguy.postgresql
+
+  post_tasks:
+    - name: Verify postgres is running.
+      command: "{{ postgresql_bin_path }}/pg_ctl -D {{ postgresql_data_dir }} status"
+      changed_when: false
+      become: true
+      become_user: postgres

roles/geerlingguy.postgresql/molecule/default/yaml-lint.yml

@@ -0,0 +1,6 @@
+---
+extends: default
+rules:
+  line-length:
+    max: 120
+    level: warning