infra: The bitcoin script uses the explorer role

infra/deployment/bitcoin-backend.yml

@@ -3,107 +3,8 @@
   gather_facts: no
   roles:
     - ubuntu-16-04
+    - explorer
 
-  tasks:
-    - name: Install java8
-      become: yes
-      apt:
-        name: default-jre
-        state: latest
-
-    - name: Build the application
-      shell: ./scripts/build-server.sh
-      delegate_to: 127.0.0.1
-
-    - name: Upload the application
-      synchronize:
-        src: app.zip
-        dest: app.zip
-
-    - name: Create the play group
-      become: yes
-      group:
-        name: play
-        state: present
-
-    - name: Create the play user
-      become: yes
-      user:
-        name: play
-        group: play
-        state: present
-        system: yes
-
-    - name: Create the app directory
-      become: yes
-      file:
-        path: /home/play/app
-        state: directory
-        owner: play
-        group: play
-
-    - name: Unpack the application
-      become: yes
-      unarchive:
-        remote_src: yes
-        src: app.zip
-        dest: /home/play/app
-        owner: play
-        group: play
-
-    - name: Set the application config
-      become: yes
-      copy:
-        src: config/bitcoin-backend.env
-        dest: /home/play/app/.env
-        owner: play
-        group: play
-
-    - name: Set the application routes
-      become: yes
-      copy:
-        src: config/ltc-routes
-        dest: /home/play/app/xsn-block-explorer-0.1.0-SNAPSHOT/conf/routes
-        owner: play
-        group: play
-
-    - name: Set the sentry config
-      become: yes
-      copy:
-        src: config/sentry-bitcoin.properties
-        dest: /home/play/app/xsn-block-explorer-0.1.0-SNAPSHOT/conf/sentry.properties
-        owner: play
-        group: play
-
-    - name: Set the application files permissions
-      become: yes
-      file:
-        dest: /home/play/app
-        owner: play
-        group: play
-        recurse: yes
-
-    - name: Add the systemd service
-      become: yes
-      copy:
-        src: systemd-services/bitcoin-backend.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-backend
-        state: restarted
-
-    - name: Enable the application to run on system startup
-      become: yes
-      systemd:
-        name: bitcoin-backend
-        enabled: yes
+  vars:
+    explorer_config_file: 'config/explorer/bitcoin-explorer.env'
+    explorer_service_name: 'bitcoin-backend'