uclalib_avalondeploy.yml

---

  # cachemeoutside
  # Simple playbook to deploy avalon rails code for dev/prod environment

- name: uclalib_avalondeploy.yml
  hosts:
    - p-w-avalonweb01.library.ucla.edu
    - d-w-avalonweb01.library.ucla.edu

  vars:
    env: "{{ 'prod' if (inventory_hostname == 'p-w-avalonweb01.library.ucla.edu') else 'dev' }}"
    avalon_user: "avalon"
    avalon_repo: "git@github.com:UCLALibrary/avalon-fork.git"
    avalon_branch: "main"
    avalon_webroot: "/var/www/avalon"
    avalon_source_backups: "/var/www/avalon-source-backups"
    avalon_bundle_dir: "vendor/bundle"

  tasks:
    - name: Get Avalon settings files
      command: "find /etc/ansible/files/avalon/{{ env }} -type f -name '*.yml' -print"
      connection: local
      register: avalon_settings_files

    - name: Ensure backup path exists
      file:
        path: "{{ avalon_source_backups }}"
        owner: "{{ avalon_user }}"
        group: "{{ avalon_user }}"
        mode: "0755"
        state: "directory"

    - name: Backup avalon root
      archive:
        path: "{{ avalon_webroot }}"
        dest: "{{ avalon_source_backups }}/avalon.{{ ansible_date_time.epoch }}.tar.gz"
        format: "gz"
      become: true
      become_user: "{{ avalon_user }}"

    - name: Only keep most recent backup files
      shell: "ls -tp {{ avalon_source_backups }}/avalon.*.tar.gz | grep -v '/$' | tail -n +7 | xargs -r rm"
      become: true
      become_user: "{{ avalon_user }}"

    - name: Keep repo updated with upstream branch
      git:
        repo: "{{ avalon_repo }}"
        dest: "{{ avalon_webroot }}"
        version: "{{ avalon_branch }}"
      become: true
      become_user: "{{ avalon_user }}"
      notify:
        - Restart Apache

    - name: Ensure log directory present
      file:
        path: "{{ avalon_webroot }}/log"
        owner: "{{ avalon_user }}"
        group: "{{ avalon_user }}"
        mode: "0755"
        state: "directory"

    - name: Copy Avalon settings file to destination
      copy:
        src: "{{ item }}"
        dest: "{{ avalon_webroot }}/config/{{ item | basename }}"
      become: true
      become_user: "{{ avalon_user }}"
      loop:
        "{{ avalon_settings_files.stdout_lines }}"
      notify:
        - Restart Apache

    - name: Check if gems are satisfied
      command: "bundle check"
      become: true
      become_user: "{{ avalon_user }}"
      become_flags: "-i"
      args:
        chdir: "{{ avalon_webroot }}"
      register: bundle_check
      changed_when: "bundle_check.rc > 0"

    - name: Install gems via bundle if relative bundle directory does not exist
      command: "bundle install --path vendor/bundle"
      become: true
      become_user: "{{ avalon_user }}"
      become_flags: "-i"
      when: "bundle_check.rc > 0"
      args:
        chdir: "{{ avalon_webroot }}"
      notify:
        - Restart Apache

  handlers:
    - name: Restart Apache
      service:
        name: httpd
        state: restarted
      become: true