Add docker role

roles/docker/README.md

@@ -0,0 +1,18 @@
+# Docker
+
+Install docker from docker.com repository.
+
+## Role Variables
+
+* `docker_become` - Default: true. Enable/disable the Ansible become
+  functionality.
+* `docker_become_user` - Default: root. When using become functionality for
+  privilege escalation, this is the user with desired privileges you become.
+
+## Example Playbook
+
+```yaml
+- hosts: my-server
+  roles:
+    - eriol.kit.docker
+```

roles/docker/defaults/main.yml

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+---
+docker_become: true
+docker_become_user: root

roles/docker/tasks/main.yml

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+---
+- block:
+
+  - name: install docker dependencies
+    apt:
+      name:
+        - apt-transport-https
+        - ca-certificates
+        - curl
+        - gnupg-agent
+        - software-properties-common
+      update_cache: true
+      cache_valid_time: 3600
+
+  - name: add Docker's GPG key
+    apt_key:
+      url: https://download.docker.com/linux/debian/gpg
+
+  - name: add Docker's GPG repository
+    apt_repository:
+      repo: "deb [arch=amd64] https://download.docker.com/linux/debian {{ ansible_distribution_release }} stable"
+      filename: docker
+
+  - name: install docker
+    apt:
+      name:
+        - docker-ce
+        - docker-ce-cli
+        - containerd.io
+      update_cache: true
+      cache_valid_time: 3600
+
+  become: "{{ docker_become }}"
+  become_user: "{{ docker_become_user }}"

tests/test.yml

@@ -40,3 +40,4 @@
     # - {role: ../roles/generate_ca, become: true}
     # - {role: ../roles/generate_certificate, become: true}
     # - {role: ../roles/gitea, become: true}
+    # - ../roles/docker