Switch tests to use Molecule.

.gitignore

@@ -1,2 +1,3 @@
 *.retry
-tests/test.sh
+*/__pycache__
+*.pyc

.travis.yml

@@ -1,48 +1,32 @@
 ---
+language: python
 services: docker
 
 env:
-  - distro: centos7
-    postgresql_bin_dir: /usr/bin
-    postgresql_data_dir: /var/lib/pgsql/data
-  - distro: centos6
-    postgresql_bin_dir: /usr/bin
-    postgresql_data_dir: /var/lib/pgsql/data
-  - distro: ubuntu1804
-    postgresql_bin_dir: /usr/lib/postgresql/10/bin
-    postgresql_data_dir: /var/lib/postgresql/10/main
-  - distro: ubuntu1604
-    postgresql_bin_dir: /usr/lib/postgresql/9.5/bin
-    postgresql_data_dir: /var/lib/postgresql/9.5/main
-  - distro: ubuntu1404
-    postgresql_bin_dir: /usr/lib/postgresql/9.3/bin
-    postgresql_data_dir: /var/lib/postgresql/9.3/main
-  - distro: debian8
-    postgresql_bin_dir: /usr/lib/postgresql/9.4/bin
-    postgresql_data_dir: /var/lib/postgresql/9.4/main
-  - distro: debian9
-    postgresql_bin_dir: /usr/lib/postgresql/9.6/bin
-    postgresql_data_dir: /var/lib/postgresql/9.6/main
+  global:
+    - ROLE_NAME: postgresql
+  matrix:
+    - MOLECULE_DISTRO: centos7
+      MOLECULE_DOCKER_COMMAND: /usr/lib/systemd/systemd
+    - MOLECULE_DISTRO: ubuntu1804
+    - MOLECULE_DISTRO: ubuntu1604
+    - MOLECULE_DISTRO: ubuntu1404
+    - MOLECULE_DISTRO: debian9
+    - MOLECULE_DISTRO: debian8
+
+install:
+  # Install test dependencies.
+  - pip install molecule docker
+
+before_script:
+  # Use actual Ansible Galaxy role name for the project directory.
+  - cd ../
+  - mv ansible-role-$ROLE_NAME geerlingguy.$ROLE_NAME
+  - cd geerlingguy.$ROLE_NAME
 
 script:
-  # Configure test script so we can run extra tests after playbook is run.
-  - export container_id=$(date +%s)
-  - export cleanup=false
-
-  # Download test shim.
-  - wget -O ${PWD}/tests/test.sh https://gist.githubusercontent.com/geerlingguy/73ef1e5ee45d8694570f334be385e181/raw/
-  - chmod +x ${PWD}/tests/test.sh
-
   # Run tests.
-  - ${PWD}/tests/test.sh
-
-  # Check PostgreSQL status.
-  - 'docker exec -u postgres ${container_id} ${postgresql_bin_dir}/pg_ctl -D ${postgresql_data_dir} status'
-
-after_failure:
-  # Check what happened on systemd systems.
-  - 'docker exec --tty ${container_id} env TERM=xterm systemctl -l status postgresql.service'
-  - 'docker exec --tty ${container_id} env TERM=xterm journalctl -xe --no-pager'
+  - molecule test
 
 notifications:
   webhooks: https://galaxy.ansible.com/api/v1/notifications/

README.md

@@ -39,6 +39,11 @@ The user and group under which PostgreSQL will run.
 
 The directories (usually one, but can be multiple) where PostgreSQL's socket will be created.
 
+    postgresql_service_state: started
+    postgresql_service_enabled: true
+
+Control the state of the postgresql service and whether it should start at boot time.
+
     postgresql_global_config_options:
       - option: unix_socket_directories
         value: '{{ postgresql_unix_socket_directories | join(",") }}'

defaults/main.yml

@@ -13,6 +13,9 @@ postgresql_group: postgres
 postgresql_unix_socket_directories:
   - /var/run/postgresql
 
+postgresql_service_state: started
+postgresql_service_enabled: true
+
 # Global configuration options that will be set in postgresql.conf.
 postgresql_global_config_options:
   - option: unix_socket_directories
@@ -21,10 +24,10 @@ postgresql_global_config_options:
 # Host based authentication (hba) entries to be added to the pg_hba.conf. This
 # variable's defaults reflect the defaults that come with a fresh installation.
 postgresql_hba_entries:
-  - { type: local, database: all, user: postgres, auth_method: peer }
-  - { type: local, database: all, user: all, auth_method: peer }
-  - { type: host, database: all, user: all, address: '127.0.0.1/32', auth_method: md5 }
-  - { type: host, database: all, user: all, address: '::1/128', auth_method: md5 }
+  - {type: local, database: all, user: postgres, auth_method: peer}
+  - {type: local, database: all, user: all, auth_method: peer}
+  - {type: host, database: all, user: all, address: '127.0.0.1/32', auth_method: md5}
+  - {type: host, database: all, user: all, address: '::1/128', auth_method: md5}
 
 # Debian only. Used to generate the locales used by PostgreSQL databases.
 postgresql_locales:
@@ -32,30 +35,30 @@ postgresql_locales:
 
 # Databases to ensure exist.
 postgresql_databases: []
-  # - name: exampledb # required; the rest are optional
-  #   lc_collate: # defaults to 'en_US.UTF-8'
-  #   lc_ctype: # defaults to 'en_US.UTF-8'
-  #   encoding: # defaults to 'UTF-8'
-  #   template: # defaults to 'template0'
-  #   login_host: # defaults to 'localhost'
-  #   login_password: # defaults to not set
-  #   login_user: # defaults to '{{ postgresql_user }}'
-  #   login_unix_socket: # defaults to 1st of postgresql_unix_socket_directories
-  #   port: # defaults to not set
-  #   owner: # defaults to postgresql_user
-  #   state: # defaults to 'present'
+# - name: exampledb # required; the rest are optional
+#   lc_collate: # defaults to 'en_US.UTF-8'
+#   lc_ctype: # defaults to 'en_US.UTF-8'
+#   encoding: # defaults to 'UTF-8'
+#   template: # defaults to 'template0'
+#   login_host: # defaults to 'localhost'
+#   login_password: # defaults to not set
+#   login_user: # defaults to '{{ postgresql_user }}'
+#   login_unix_socket: # defaults to 1st of postgresql_unix_socket_directories
+#   port: # defaults to not set
+#   owner: # defaults to postgresql_user
+#   state: # defaults to 'present'
 
 # Users to ensure exist.
 postgresql_users: []
-  # - name: jdoe #required; the rest are optional
-  #   password: # defaults to not set
-  #   encrypted: # defaults to not set
-  #   priv: # defaults to not set
-  #   role_attr_flags: # defaults to not set
-  #   db: # defaults to not set
-  #   login_host: # defaults to 'localhost'
-  #   login_password: # defaults to not set
-  #   login_user: # defaults to '{{ postgresql_user }}'
-  #   login_unix_socket: # defaults to 1st of postgresql_unix_socket_directories
-  #   port: # defaults to not set
-  #   state: # defaults to 'present'
+# - name: jdoe #required; the rest are optional
+#   password: # defaults to not set
+#   encrypted: # defaults to not set
+#   priv: # defaults to not set
+#   role_attr_flags: # defaults to not set
+#   db: # defaults to not set
+#   login_host: # defaults to 'localhost'
+#   login_password: # defaults to not set
+#   login_user: # defaults to '{{ postgresql_user }}'
+#   login_unix_socket: # defaults to 1st of postgresql_unix_socket_directories
+#   port: # defaults to not set
+#   state: # defaults to 'present'

meta/main.yml

@@ -10,14 +10,14 @@ galaxy_info:
   platforms:
     - name: EL
       versions:
-      - 6
-      - 7
+        - 6
+        - 7
     - name: Ubuntu
       versions:
-      - all
+        - all
     - name: Debian
       versions:
-      - all
+        - all
   galaxy_tags:
     - database
     - postgresql

molecule/default/molecule.yml

@@ -0,0 +1,27 @@
+---
+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
+    command: ${MOLECULE_DOCKER_COMMAND:-"sleep infinity"}
+    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

molecule/default/playbook.yml

@@ -1,5 +1,7 @@
 ---
-- hosts: all
+- name: Converge
+  hosts: all
+  become: true
 
   vars:
     postgresql_databases:
@@ -9,7 +11,7 @@
 
   pre_tasks:
     - name: Update apt cache.
-      apt: update_cache=yes cache_valid_time=600
+      apt: update_cache=true cache_valid_time=600
       when: ansible_os_family == 'Debian'
 
     - name: Set custom variables for old CentOS 6 PostgreSQL install.
@@ -18,7 +20,14 @@
         postgresql_global_config_options:
           - option: unix_socket_directory
             value: '{{ postgresql_unix_socket_directories[0] }}'
-      when: ansible_os_family == 'RedHat' and ansible_distribution_version.split('.')[0] == '6'
+      when:
+        - ansible_os_family == 'RedHat'
+        - ansible_distribution_version.split('.')[0] == '6'
 
   roles:
-    - role_under_test
+    - role: geerlingguy.postgresql
+
+  post_tasks:
+    - name: Verify postgres is running.
+      command: "{{ postgresql_bin_path }}/pg_ctl -D {{ postgresql_data_dir }} status"
+      changed_when: false

molecule/default/tests/test_default.py

@@ -0,0 +1,14 @@
+import os
+
+import testinfra.utils.ansible_runner
+
+testinfra_hosts = testinfra.utils.ansible_runner.AnsibleRunner(
+    os.environ['MOLECULE_INVENTORY_FILE']).get_hosts('all')
+
+
+def test_hosts_file(host):
+    f = host.file('/etc/hosts')
+
+    assert f.exists
+    assert f.user == 'root'
+    assert f.group == 'root'

molecule/default/yaml-lint.yml

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

tasks/databases.yml

@@ -14,7 +14,7 @@
     owner: "{{ item.owner | default(postgresql_user) }}"
     state: "{{ item.state | default('present') }}"
   with_items: "{{ postgresql_databases }}"
-  become: yes
+  become: true
   become_user: "{{ postgresql_user }}"
   # See: https://github.com/ansible/ansible/issues/16048#issuecomment-229012509
   vars:

tasks/initialize.yml

@@ -22,7 +22,7 @@
 - name: Ensure PostgreSQL database is initialized.
   command: "{{ postgresql_bin_path }}/initdb -D {{ postgresql_data_dir }}"
   when: not pgdata_dir_version.stat.exists
-  become: yes
+  become: true
   become_user: "{{ postgresql_user }}"
   # See: https://github.com/ansible/ansible/issues/16048#issuecomment-229012509
   vars:

tasks/main.yml

@@ -15,8 +15,8 @@
 - name: Ensure PostgreSQL is started and enabled on boot.
   service:
     name: "{{ postgresql_daemon }}"
-    state: started
-    enabled: yes
+    state: "{{ postgresql_service_state }}"
+    enabled: "{{ postgresql_service_enabled }}"
 
 # Configure PostgreSQL.
 - import_tasks: databases.yml

tasks/users.yml

@@ -15,7 +15,7 @@
     state: "{{ item.state | default('present') }}"
   with_items: "{{ postgresql_users }}"
   no_log: true
-  become: yes
+  become: true
   become_user: "{{ postgresql_user }}"
   # See: https://github.com/ansible/ansible/issues/16048#issuecomment-229012509
   vars:

tests/README.md

@@ -1,11 +0,0 @@
-# Ansible Role tests
-
-To run the test playbook(s) in this directory:
-
-  1. Install and start Docker.
-  1. Download the test shim (see .travis.yml file for the URL) into `tests/test.sh`:
-    - `wget -O tests/test.sh https://gist.githubusercontent.com/geerlingguy/73ef1e5ee45d8694570f334be385e181/raw/`
-  1. Make the test shim executable: `chmod +x tests/test.sh`.
-  1. Run (from the role root directory) `distro=[distro] playbook=[playbook] ./tests/test.sh`
-
-If you don't want the container to be automatically deleted after the test playbook is run, add the following environment variables: `cleanup=false container_id=$(date +%s)`

vars/Debian-7.yml

@@ -7,4 +7,4 @@ __postgresql_daemon: postgresql
 __postgresql_packages:
   - postgresql
   - postgresql-contrib
-  - libpq-dev
+  - libpq-dev