update docker

roles/docker/tasks/main.yml

@@ -1,5 +1,10 @@
 ---
 
+- name: Test if folder exist
+  stat:
+    path: "{{ docker_compose_bin }}"
+  register: docker_compose_bin_exist
+
 - name: Update apt cache
   apt:
     update_cache: yes
@@ -7,6 +12,7 @@
 
 - name: Upgrade all apt packages
   apt: upgrade=dist
+  when: docker_compose_bin_exist.stat.exists == False
 
 - name: Install docker packages
   apt:
@@ -15,21 +21,25 @@
     update_cache: yes
     cache_valid_time: "{{ aptcachetime }}"
   loop: ['apt-transport-https', 'ca-certificates', 'curl', 'gnupg-agent', 'software-properties-common']
+  when: docker_compose_bin_exist.stat.exists == False
 
 - name: Add Docker GPG key
   apt_key:
     url: https://download.docker.com/linux/ubuntu/gpg
     state: present
+  when: docker_compose_bin_exist.stat.exists == False
 
 - name: Verify that we have the key with the fingerprint
   apt_key:
     id: 0EBFCD88
     state: present
+  when: docker_compose_bin_exist.stat.exists == False
 
 - name: Add deb repository
   apt_repository:
     repo: deb [arch=amd64] https://download.docker.com/linux/ubuntu {{ lsb_release }} stable
     state: present
+  when: docker_compose_bin_exist.stat.exists == False
 
 - name: Install docker
   apt:
@@ -38,22 +48,28 @@
     update_cache: yes
     cache_valid_time: "{{ aptcachetime }}"
   loop: ['docker-ce', 'docker-ce-cli', 'containerd.io']
+  when: docker_compose_bin_exist.stat.exists == False
 
 - name: Create Docker group
   group: name=docker state=present
+  when: docker_compose_bin_exist.stat.exists == False
 
 - name: Add current user to Docker group
   user: name="{{ ansible_env.USER }}" groups=docker append=yes
+  when: docker_compose_bin_exist.stat.exists == False
 
 - name: "Ensure Docker is {{ docker.start | ternary('started','stopped') }}"
   service: name=docker state={{ docker.start | ternary('restarted','stopped') }} enabled={{ docker.service_enabled }}
+  when: docker_compose_bin_exist.stat.exists == False
 
 - name: Install docker-compose
   get_url:
-    url: https://github.com/docker/compose/releases/download/1.27.4/docker-compose-Linux-x86_64
+    url: https://github.com/docker/compose/releases/download/{{ docker_compose_version }}/docker-compose-Linux-x86_64
     dest: /usr/local/bin/docker-compose
     force: no
     mode: 0755
+  when: docker_compose_bin_exist.stat.exists == False
 
 - name: Upgrade installed packages
   apt: upgrade=yes
+  when: docker_compose_bin_exist.stat.exists == False

roles/docker/vars/main.yml

@@ -0,0 +1,4 @@
+---
+
+docker_compose_bin: "/usr/local/bin/docker-compose"
+docker_compose_version: "1.27.4"