[26] - First iteration

* Systemd template
* Clone git, build docker, push to registry, pull in remote server and
  deploy systemd service

README.md

@@ -1,3 +1,64 @@
-# deploy-docker
+Deploy docker as a service
+==========================
 
-Build a docker image and push it to a registry.
+Download a git repository which has a Dockerfile, build it locally, push it to a registry and create a systemd service to manage it.
+
+Requirements
+------------
+
+None.
+
+Role Variables
+--------------
+
+* `git_repository`: The repository in which the dockerfile is located.
+* `git_repository_destination`: Local path in which to clone the git repository.
+* `git_repository_tag`: Version to use of the git repository.
+* `service_name`: Name of the systemd service.
+* `docker_registry`: Domain of the registry with write access.
+* `docker_registry_read`: Domain of the registry with read access.
+* `registry_user`: User used to authenticate with the registry.
+* `registry_password`: Password used to authenticate with the registry.
+* `docker_tag`: Docker tag.
+* `docker_command`: Docker command used to launch the container.
+
+Dependencies
+------------
+
+None.
+
+Example Playbook
+----------------
+
+```yaml
+- hosts: servers
+  vars:
+    git_repository: https://git.digitales.cslabrecha.org/La_Brecha_Digital/prosody-docker
+    git_repository_destination: /home/drymer/Proyectos/LaBrechaDigital/prosody-docker
+    git_repository_tag: v0.1.1
+    service_name: prosody
+    docker_registry: r.daemons.it
+    docker_registry_read: registry.daemons.it
+    registry_user: drymer
+    registry_password: whatever
+    docker_tag: "{{ git_repository_tag }}"
+    docker_command: /usr/bin/docker run --rm -i -v /root/docker/prosody/conf:/etc/prosody/ -v /root/docker/prosody/ssl:/etc/prosody/certs/ -v /root/docker/prosody/modules:/usr/lib/prosody/modules/extra:ro -v /root/docker/prosody/logs:/var/log/prosody/ -v /root/docker/prosody/images/:/var/lib/prosody/ -e LOCAL=admin -e DOMAIN=daemons.it -e PASSWORD=qv9NEdTBYxBv78rIfNOBVZIeICuRc -p 5222:5222 -p 5269:5269 -p 5280:5280 -p 5281:5281 --name "{{ service_name }}" "{{ docker_registry_read }}/{{ service_name }}"
+  roles:
+    - { role: deploy-docker}
+```
+
+Compatible
+----------
+
+With:
+  - Debian 9
+
+License
+-------
+
+GPL3
+
+Author Information
+------------------
+
+drymer [ EN ] autistici.org

TODO

@@ -0,0 +1 @@
+Molecule tests

files/systemd-service.template

@@ -0,0 +1,15 @@
+[Unit]
+Description={{ service_name }}
+Requires=docker.service
+Wants=docker.service
+
+[Service]
+TimeoutStartSec=100
+Restart=always
+RestartSec=2s
+
+ExecStop=/usr/bin/docker stop {{ service_name }}
+ExecStart={{ docker_command }}
+
+[Install]
+WantedBy=multi-user.target

meta/main.yml

@@ -0,0 +1,10 @@
+galaxy_info:
+  author: drymer ( drymer [ EN ] autistici.org )
+  description: Deploy docker services.
+  min_ansible_version: 2.3
+  license: GPLv3
+
+  platforms:
+  - name: Debian
+    versions:
+    - stretch

tasks/main.yml

@@ -0,0 +1,37 @@
+---
+- name: Clone git repository
+  local_action:
+    module: git
+    repo: "{{ git_repository }}"
+    dest: "{{ git_repository_destination }}"
+    version: "{{ git_repository_tag }}"
+
+- name: Log locally into private registry
+  local_action:
+    module: docker_login
+    registry: "{{ docker_registry }}"
+    username: "{{ registry_user }}"
+    password: "{{ registry_password }}"
+
+- name: Build docker image locally and push it to a registry
+  local_action:
+    module: docker_image
+    path: "{{ git_repository_destination }}/{{ git_repository_extra_path }}"
+    name: "{{ docker_registry }}/{{ service_name }}"
+    push: yes
+
+- name: Create systemd service
+  become: yes
+  template:
+    src: "{{ role_path }}/files/systemd-service.template"
+    dest: "/etc/systemd/system/{{ service_name }}.service"
+    owner: root
+    group: root
+
+- name: Enable systemd service and start it
+  become: yes
+  systemd:
+    name: "{{ service_name }}"
+    enabled: yes
+    daemon_reload: yes
+    state: started