Add support for state=absent

Author: mhutter

tasks/install.yml

@@ -0,0 +1,30 @@
+---
+- name: Create ENV file for {{ name }}_container.service
+  template:
+    src: env.j2
+    dest: "{{ sysconf_dir }}/{{ name }}"
+    owner: root
+    group: root
+    mode: '0600'
+  when: env is defined
+
+# use `command` instead of `docker_image` so we don't have to install docker-py
+- name: Pull image {{ image }}
+  command: docker pull {{ image }}
+
+# TODO: Add handler to restart service after new image has been pulled
+- name: Create unit {{ name }}_container.service
+  template:
+    src: unit.j2
+    dest: /etc/systemd/system/{{ name }}_container.service
+    owner: root
+    group: root
+    mode: '0644'
+
+- name: Enable and start {{ name }}
+  systemd:
+    name: '{{ name }}_container.service'
+    daemon_reload: true
+    enabled: "{{ enabled }}"
+    masked: "{{ masked }}"
+    state: "{{ state }}"

tasks/main.yml

@@ -3,32 +3,7 @@
   include_vars: "{{ ansible_os_family }}.yml"
   tags: always
 
-- name: create ENV file for {{ name }}_container.service
-  template:
-    src: env.j2
-    dest: "{{ sysconf_dir }}/{{ name }}"
-    owner: root
-    group: root
-    mode: '0600'
-  when: env is defined
-
-# use `command` instead of `docker_image` so we don't have to install docker-py
-- name: pull image {{ image }}
-  command: docker pull {{ image }}
-
-# TODO: Add handler to restart service after new image has been pulled
-- name: create unit {{ name }}_container.service
-  template:
-    src: unit.j2
-    dest: /etc/systemd/system/{{ name }}_container.service
-    owner: root
-    group: root
-    mode: '0644'
-
-- name: enable and start {{ name }}
-  systemd:
-    name: '{{ name }}_container.service'
-    daemon_reload: true
-    enabled: "{{ enabled }}"
-    masked: "{{ masked }}"
-    state: "{{ state }}"
+- include: install.yml
+  when: state != "absent"
+- include: uninstall.yml
+  when: state == "absent"

tasks/uninstall.yml

@@ -0,0 +1,21 @@
+---
+- name: Remove ENV file for {{ name }}_container.service
+  file:
+    path: "{{ sysconf_dir }}/{{ name }}"
+    state: absent
+
+- name: Disable and stop {{ name }}
+  systemd:
+    name: '{{ name }}_container.service'
+    enabled: False
+    state: stopped
+
+- name: Remove unit {{ name }}_container.service
+  file:
+    path: /etc/systemd/system/{{ name }}_container.service
+    state: absent
+
+- name: Reload systemd units
+  command: systemctl daemon-reload
+  changed_when: False
+