feat(ghost): add ghost ansible role

roles/ghost/.travis.yml

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+---
+language: python
+python: "2.7"
+
+# Use the new container infrastructure
+sudo: false
+
+# Install ansible
+addons:
+  apt:
+    packages:
+    - python-pip
+
+install:
+  # Install ansible
+  - pip install ansible
+
+  # Check ansible version
+  - ansible --version
+
+  # Create ansible.cfg with correct roles_path
+  - printf '[defaults]\nroles_path=../' >ansible.cfg
+
+script:
+  # Basic role syntax check
+  - ansible-playbook tests/test.yml -i tests/inventory --syntax-check
+
+notifications:
+  webhooks: https://galaxy.ansible.com/api/v1/notifications/

roles/ghost/CODEOWNERS

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+* @Ratzupaltuff

roles/ghost/LICENSE

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+MIT License
+
+Copyright (c) 2020 aboveops.com
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+

roles/ghost/README.md

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+Role Name
+=========
+
+Role installs a [Ghost](https://ghost.org/) blog engine in Docker container
+
+Requirements
+------------
+
+Target host should have Docker container engine running
+
+Role Variables
+--------------
+
+Please check [default variables](./defaults/main.yml).
+
+You can add your email config as follows:
+```
+blog_env_extra: 
+  mail__transport: SMTP
+  mail__from: "'Example Blog' <info@example.com>"
+  mail__options__host: 127.0.0.1
+  mail__options__port: 2525
+blog_container_labels: {}
+```
+
+License
+-------
+
+[MIT](./LICENSE)
+
+Author Information
+------------------
+
+Brought to you by [AboveOps](https://aboveops.com) team

roles/ghost/defaults/main.yml

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+---
+# All variables in this role are prefixed with 'blog_'
+#
+# Default task prefix to display during play
+blog_task_prefix: "=== GHOST BLOG ==="
+
+# Domain settings
+blog_domain_name: "blog.example.com"
+blog_url: "https://{{ blog_domain_name }}"
+
+# Ghost blog local data directory
+blog_path_base: "/opt/ghost"
+blog_path_data: "{{ blog_path_base }}/data"
+blog_path_env: "{{ blog_path_base }}/ghost.env"
+
+# Template
+blog_template_env: "ghost.env.j2"
+
+# Container settings
+ghost_version: "3.25.0"
+blog_container_image: "ghost:{{ ghost_version }}"
+blog_container_name: "ghost-blog"
+blog_container_pull: "no"
+blog_container_recreate: "no"
+blog_container_restart_policy: "always"
+blog_container_state: "started"
+blog_container_labels_complete: "{{ blog_container_labels_base | combine(blog_container_labels) }}"
+blog_container_labels_base:
+  version: "{{ ghost_version }}"
+blog_container_port: '2368'
+blog_container_data: "/var/lib/ghost/content"
+blog_container_ports: 
+  - "{{ blog_bind_addr }}:{{ blog_bind_port }}:{{ blog_container_port }}"
+
+# Environment variables settings
+blog_env_url: "{{ blog_url }}"
+# User defined variable settings:
+blog_env_extra: {}
+
+# Listen settings
+blog_bind_addr: '127.0.0.1'
+blog_bind_port: '2368'

roles/ghost/handlers/main.yml

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+---
+# TODO: nginx handler

roles/ghost/meta/main.yml

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+dependencies: []
+galaxy_info:
+  author: AboveOps
+  role_name: ghost
+  description: Role installs Ghost blog in Docker container
+  company: AboveOps
+  license: MIT
+  min_ansible_version: 2.9
+  platforms:
+    - name: EL
+      versions:
+        - 7
+        - 8
+    - name: Fedora
+      versions:
+        - all
+    - name: Debian
+      versions:
+        - stretch
+        - buster
+    - name: Ubuntu
+      versions:
+        - xenial
+        - bionic
+  galaxy_tags:
+    - ghost
+    - blog
+    - publishing
+    - web
+    - cms
+    - content

roles/ghost/tasks/main.yml

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+---
+- name: "{{ blog_task_prefix }} Create directories"
+  file:
+    path: "{{ item }}"
+    state: directory
+  loop:
+    - "{{ blog_path_base }}"
+    - "{{ blog_path_data }}"
+
+- name: "{{ blog_task_prefix }} Install .env file"
+  template:
+    src: "{{ blog_template_env }}"
+    dest: "{{ blog_path_env }}"
+
+- name: "{{ blog_task_prefix }} Provision container"
+  docker_container:
+    env_file: "{{ blog_path_env }}"
+    image: "{{ blog_container_image }}"
+    name: "{{ blog_container_name }}"
+    ports: "{{ blog_container_ports }}"
+    labels: "{{ blog_container_labels_complete }}"
+    pull: "{{ blog_container_pull }}"
+    recreate: "{{ blog_container_recreate }}"
+    restart_policy: "{{ blog_container_restart_policy }}"
+    state: "{{ blog_container_state }}"
+    volumes:
+      - "{{ blog_path_data }}:{{ blog_container_data }}"

roles/ghost/templates/ghost.env.j2

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+url={{ blog_env_url }}
+{% for key, value in blog_env_extra.items() %}
+{{ key }}={{ value }}
+{% endfor %}

roles/ghost/tests/inventory

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+localhost
+

roles/ghost/tests/test.yml

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+---
+- hosts: localhost
+  remote_user: root
+  roles:
+    - ansible-role-ghost