add docker-app with completion

defaults/main.yml

@@ -11,10 +11,16 @@ docker_restart_handler_state: restarted
 
 # Docker Compose options.
 docker_install_compose: true
-docker_compose_version: "1.22.0"
+docker_compose_version: "1.23.2"
 docker_compose_path: /usr/local/bin/docker-compose
 docker_compose_completion_path: /etc/bash_completion.d/docker-compose
 
+# Docker App options.
+docker_install_app: true
+docker_app_version: "v0.6.0"
+docker_app_path: /usr/local/bin/docker-app
+docker_app_completion_path: /etc/bash_completion.d/docker-app
+
 # Used only for Debian/Ubuntu. Switch 'stable' to 'edge' if needed.
 docker_apt_release_channel: stable
 docker_apt_arch: amd64

tasks/docker-app.yml

@@ -0,0 +1,42 @@
+---
+- name: Check current docker-app version.
+  command: docker-app --version
+  register: docker_app_current_version
+  changed_when: false
+  failed_when: false
+  check_mode: false
+
+- name: Delete existing docker-app version if it's different.
+  file:
+    path: "{{ docker_app_path }}"
+    state: absent
+  when: >
+    docker_app_current_version.stdout is defined
+    and docker_app_version not in docker_app_current_version.stdout
+
+- name: Download Docker app (if configured).
+  unarchive:
+    src: https://github.com/docker/app/releases/download/{{ docker_app_version }}/docker-app-linux.tar.gz
+    dest: "/tmp"
+    remote_src: yes
+  when: >
+    docker_app_current_version.stdout is defined
+    and docker_app_version not in docker_app_current_version.stdout
+    or not docker_app_current_version.stdout is defined
+
+- name: Install Docker app (if configured).
+  copy:
+    src: /tmp/docker-app-linux
+    dest: "{{ docker_app_path }}"
+    remote_src: yes
+    mode: 0755
+  when: >
+    docker_app_current_version.stdout is defined
+    and docker_app_version not in docker_app_current_version.stdout
+    or not docker_app_current_version.stdout is defined
+
+- name: Install Docker app completion
+  shell: "docker-app completion >> {{ docker_app_completion_path }}"
+  args:
+    creates: "{{ docker_app_completion_path }}"
+

tasks/main.yml

@@ -27,5 +27,8 @@
 - include_tasks: docker-compose.yml
   when: docker_install_compose
 
+- include_tasks: docker-app.yml
+  when: docker_install_app
+
 - include_tasks: docker-users.yml
   when: docker_users