andreychernih/railsbox

---
- set_fact: this_release_ts={{ lookup('pipe', 'date +%Y%m%d%H%M%S') }}
  tags: always

- set_fact: this_release_path={{ releases_path }}/{{ this_release_ts }}

- debug: msg='New release path {{ this_release_path }}'

- name: Create new release dir
  file: path={{ this_release_path }} state=directory

- name: Update code
  git: repo={{ git_url }} dest={{ this_release_path }} version={{ git_version }} accept_hostkey=yes
  register: git

- debug: msg='Updated repo from {{ git.before }} to {{ git.after }}'

- name: Delete log directory
  file: path={{ this_release_path }}/log state=absent

- name: Symlink shared files
  file: src={{ shared_path }}/{{ item }} dest={{ this_release_path }}/{{ item }} state=link force=yes
  with_items:
    - config/database.yml
    - config/secrets.yml
    - config/unicorn.rb
    - log
    - tmp
    - vendor/bundle

- name: Install bundle
  command: 'bundle install --deployment --without="development test"'
  args:
    chdir: '{{ this_release_path }}'

- name: Precompile assets
  command: bundle exec rake assets:precompile chdir={{ this_release_path }}
  environment:
    RAILS_ENV: '{{ rails_env }}'

- set_fact: backup_file_path={{ backups_path }}/{{ this_release_ts }}.sql
  tags: backup

- name: Backup database
  shell: umask 077 && pg_dump -O -x railsbox_{{ rails_env }} > {{ backup_file_path }}
  tags: backup

- name: Archive backup
  shell: gzip {{ backup_file_path }}
  tags: backup

- name: Migrate database
  command: bundle exec rake db:migrate chdir={{ this_release_path }}
  environment:
    RAILS_ENV: '{{ rails_env }}'

- name: Symlink new release
  file: src={{ this_release_path }} dest={{ current_release_path }} state=link force=yes

- name: Restart unicorn
  command: sudo restart {{ app_name }}

- name: Notify Rollbar
  uri:
    url: https://api.rollbar.com/api/1/deploy/
    method: POST
    body: access_token={{ rollbar_access_token }}&environment={{ rails_env }}&revision={{ git.after }}&local_username={{ lookup('pipe', 'whoami') }}

- name: Cleanup
  shell: "ls -1t {{ releases_path }}|tail -n +{{ keep_releases + 1 }}|xargs rm -rf"
  args:
    chdir: '{{ releases_path }}'