totransit.yml

---
- hosts: production
  remote_user: "{{ admin_user }}"

  handlers:
    - name: reload supervisor # without restarting other supervised apps
      shell: "supervisorctl update; supervisorctl reread"
      become: yes

    - name: restart app
      shell: "supervisorctl restart totransit"
      become: yes

  roles:
    - role: chesterbr.nginx
      nginx_sites:
        - server:
            file_name: totransit.chester.me
            root: "{{ totransit_app_dir }}/public"
            server_name: totransit.chester.me
            location1: { name: '~ .*', proxy_pass: 'http://totransit_rails' }
    - role: chesterbr.ruby
      ruby_user: "{{ server_user }}"
      tags: update_app

  tasks:
    - name: Install prereq packages
      apt: name={{ packages }} state=present
      become: yes
      vars:
        packages:
          - git
          - libsqlite3-dev
          - supervisor
          - libyaml-dev # required by ruby psych gem

    - name: Add totransit upstream to server config
      become: yes
      lineinfile: dest=/etc/nginx/sites-enabled/totransit.chester.me insertbefore="BOF" line="upstream totransit_rails { server 127.0.0.1:3001; }"
      notify:
        - reload nginx

    - name: Ensure code repository is at latest version
      git: repo=https://github.com/chesterbr/toronto-transit-time.git
           accept_hostkey=true
           dest={{ totransit_checkout_dir }}
           version=main
      notify: restart app
      become: yes
      become_user: "{{ server_user }}"
      tags:
        - update_app

    - name: Ensure we're always in production rails environment
      lineinfile: dest=~/.profile line="export RAILS_ENV=production" regexp="^export RAILS_ENV"
      become: yes
      become_user: "{{ server_user }}"

    - name: "Install ruby required by the code (e.g.: .ruby_version)"
      shell: bash -lc "cd {{ totransit_app_dir }}; CONFIGURE_OPTS=\"--disable-install-rdoc\" yes \\n | rbenv install --skip-existing"
      register: ruby_install_result
      changed_when: "'Installed' in ruby_install_result.stderr"
      failed_when: ruby_install_result.rc != 0 and not (ruby_install_result.stderr is search('^rbenv.*versions.*already exists$'))
      notify: restart app
      become: yes
      become_user: "{{ server_user }}"
      tags:
        - update_app

    - name: Ensure we have all gem dependencies
      command: bash -lc "cd {{ totransit_app_dir }}; gem install bundler; bundle install --deployment"
      register: bundler
      changed_when: '"Installing" in bundler.stdout'
      become: yes
      become_user: "{{ server_user }}"
      tags:
        - update_app

    - name: Configures totransit back-end to run under supervisor (from source dir)
      template: src=templates/totransit.conf.supervisor.j2 dest=/etc/supervisor/conf.d/totransit.conf
      become: yes
      notify: reload supervisor
      tags:
        - configure_supervisor

    - name: Initialize database
      command: bash -lc "cd {{ totransit_app_dir }}; bundle exec rake db:create"
      become: yes
      become_user: "{{ server_user }}"

    - name: Migrate database
      command: bash -lc "cd {{ totransit_app_dir }}; bundle exec rake db:migrate"
      become: yes
      become_user: "{{ server_user }}"
      tags:
        - update_app

    - name: Add crontab tasks from whenever
      command: bash -lc "cd {{ totransit_app_dir }}; bundle exec whenever -i"
      notify: restart app
      become: yes
      become_user: "{{ server_user }}"
      tags:
        - update_app

    - name: Do a first load of the ttc data
      command: bash -lc "cd {{ totransit_app_dir }}; DISABLE_DATABASE_ENVIRONMENT_CHECK=1 bundle exec rake db:reset ttc:crawl"
      notify: restart app
      become: yes
      become_user: "{{ server_user }}"
      tags:
        - load_ttc_data