first version of raspbian docker setup

roles/matrix-base/tasks/server_base/setup_raspbian.yml

@@ -0,0 +1,42 @@
+---
+
+- name: Ensure APT usage dependencies are installed
+  apt:
+    name:
+      - apt-transport-https
+      - ca-certificates
+    state: present
+    update_cache: yes
+
+- name: Ensure Docker's APT key is trusted
+  apt_key:
+    url: https://download.docker.com/linux/raspbian/gpg
+    id: 9DC858229FC7DD38854AE2D88D81803C0EBFCD88
+    state: present
+  register: add_repository_key
+  ignore_errors: true
+  when: matrix_docker_installation_enabled|bool and matrix_docker_package_name == 'docker-ce'
+
+- name: Ensure Docker repository is enabled
+  apt_repository:
+    repo: "deb [arch=armhf] https://download.docker.com/linux/raspbian {{ ansible_distribution_release }} stable"
+    state: present
+    update_cache: yes
+  when: matrix_docker_installation_enabled|bool and matrix_docker_package_name == 'docker-ce'
+
+- name: Ensure APT packages are installed
+  apt:
+    name:
+      - bash-completion
+      - python-docker
+      - ntp
+      - fuse
+    state: latest
+    update_cache: yes
+
+- name: Ensure Docker is installed
+  apt:
+    name:
+      - "{{ matrix_docker_package_name }}"
+    state: latest
+  when: matrix_docker_installation_enabled|bool