---
- hosts: bitcoind
  gather_facts: no
  roles:
    - ubuntu-16-04

  vars:
    - x_user: bitcoin
    - x_group: bitcoin
    - x_home: /home/bitcoin
    - x_config_dir: /home/bitcoin/.bitcoin
    - x_download_url: https://bitcoin.org/bin/bitcoin-core-0.17.1/bitcoin-0.17.1-x86_64-linux-gnu.tar.gz
    - x_download_dest: /home/ubuntu/bitcoin.tar.gz
    - x_download_checksum: sha1:546ee35d4089c7ccc040a01cdff3362599b8bc53
    - x_unarchive_dest: /home/bitcoin/app

  tasks:
    - name: Create the bitcoin group
      become: yes
      group:
        name={{ x_group }}
        state=present

    - name: Create the bitcoin user
      become: yes
      user:
        name={{ x_user }}
        group={{ x_group }}
        state=present
        system=yes

    - name: Create the app directory
      become: yes
      file:
        path={{ x_home }}/app
        state=directory
        owner={{ x_user }}
        group={{ x_group }}

    - name: Create the config directory
      become: yes
      file:
        path={{ x_config_dir }}
        state=directory
        owner={{ x_user }}
        group={{ x_group }}

    - name: Download the bitcoind
      get_url:
        url={{ x_download_url }}
        dest={{ x_download_dest }}
        checksum={{ x_download_checksum }}

    - name: Unpack the application
      become: yes
      unarchive:
        remote_src=yes
        src={{ x_download_dest }}
        dest={{ x_unarchive_dest }}
        owner={{ x_user }}
        group={{ x_group }}

    - name: Move the application to the right folder
      become: yes
      command: mv {{ x_unarchive_dest }}/bitcoin-0.17.1/bin/bitcoind {{ x_unarchive_dest }}

    - name: Set the application as executable
      become: yes
      file:
        path: "{{ x_unarchive_dest }}/bitcoind"
        mode: "u=rwx"

    - name: Set the application config
      become: yes
      copy:
        src=config/bitcoin.conf
        dest={{ x_config_dir }}/bitcoin.conf
        owner={{ x_user }}
        group={{ x_group }}

    - name: Set the application files permissions
      become: yes
      file:
        dest={{ x_config_dir }}
        owner={{ x_user }}
        group={{ x_group }}
        recurse=yes

    - name: Set the application files permissions
      become: yes
      file:
        dest={{ x_unarchive_dest }}
        owner={{ x_user }}
        group={{ x_group }}
        recurse=yes

    - name: Add the systemd service
      become: yes
      copy:
        src: systemd-services/bitcoin-rpc.service
        dest: /etc/systemd/system/
        owner: root
        group: root

    - name: Pick up systemd changes
      become: yes
      systemd:
        daemon_reload: yes

    - name: Restart the application
      become: yes
      systemd:
        name: bitcoin-rpc
        state: restarted

    - name: Enable the application to run on system startup
      become: yes
      systemd:
        name: bitcoin-rpc
        enabled: yes