deploy.yml

#
# Playbook for deploy simple frontend project
#
# exra-vars:
# project - project name
# tarballs - tarballs count (old releases)

- hosts: all
  user: "{{ project }}"

  vars:
    projectName: "{{ project }}"
    user: "{{ project }}"
    type: "{{ build_type }}"

  tasks:
    - name: Set username
      set_fact:
        remote_user: "{{ user }}"

    - name: Copy SSR build to prod directory
      synchronize:
        src: ./
        dest: /var/www/{{ projectName }}/cs/releases/{{ansible_date_time.date}}-{{ansible_date_time.hour}}{{ansible_date_time.minute}}{{ansible_date_time.second}}
        rsync_opts:
          - "--exclude=node_modules"
          - "--exclude=.git"
          - "--exclude=deploy.yml"
          - "--exclude=.gitlab-ci.yml"
      when: type == 'ssr'

    - name: Copy static build to prod directory
      synchronize:
        src: ./dist/
        dest: /var/www/{{ projectName }}/cs/releases/{{ansible_date_time.date}}-{{ansible_date_time.hour}}{{ansible_date_time.minute}}{{ansible_date_time.second}}
        rsync_opts:
          - "--exclude=node_modules"
          - "--exclude=.git"
          - "--exclude=deploy.yml"
          - "--exclude=.gitlab-ci.yml"
      when: type == 'static'

    - name: Save last deployed release path
      shell: basename $(readlink -f "/var/www/{{ projectName }}/cs/current")
      register: lastReleaseName

    - name: Remove old symlink
      shell: |
        rm -f /var/www/{{ projectName }}/cs/current/.env
        rm -f /var/www/{{ projectName }}/cs/current

    - name: Make symlink for new prod
      shell: |
        mkdir -p /var/www/{{ projectName }}/cs/shared
        ln -s /var/www/{{ projectName }}/cs/releases/{{ansible_date_time.date}}-{{ansible_date_time.hour}}{{ansible_date_time.minute}}{{ansible_date_time.second}} /var/www/{{ projectName }}/cs/current
        ln -s /var/www/{{ projectName }}/cs/shared/.env /var/www/{{ projectName }}/cs/releases/{{ansible_date_time.date}}-{{ansible_date_time.hour}}{{ansible_date_time.minute}}{{ansible_date_time.second}}/.env

    - name: Kill old application
      shell: pm2 delete -s {{ projectName }}
      environment:
        PATH: /home/{{ projectName }}/.nvm/versions/default/bin
      register: command_result
      failed_when: "'ERROR' in command_result.stderr"
      when: type == 'ssr'

    - name: Run new deployed application
      shell: |
        cd /var/www/{{ projectName }}/cs/current
        yarn
        npm rebuild node-sass
        ln -s /var/www/{{ projectName }}/cs/shared/config.json /var/www/{{ projectName }}/cs/current/src/server/config.json
        NODE_PATH=./src NODE_ENV=production APP_ENV=staging PORT=3000 pm2 start ./server-build.js -n {{ projectName }}
      ignore_errors: yes 
      args:
        executable: /bin/bash
      environment:
        PATH: '$PATH:/home/{{ projectName }}/.nvm/versions/default/bin'
      when: type == 'ssr'

      register: run_result

    # Archive old release version and save state    
    - archive:
        path: /var/www/{{ projectName }}/cs/releases/{{ lastReleaseName.stdout }}
        dest: /var/www/{{ projectName }}/cs/releases/{{ lastReleaseName.stdout }}.tar.gz 
      register: tarballCreatingState

    - name: Clean old release path
      file:
        state: absent
        path: "/var/www/{{ projectName }}/cs/releases/{{ lastReleaseName.stdout }}"
      register: deleteResult
      when: tarballCreatingState.failed == false

    - name: Get count of exist backups
      shell: ls /var/www/{{ projectName }}/cs/releases/*.tar.gz | wc -l
      register: existBackupsCount

    - name: Calculate count of backups to delete
      shell: ls -trd -1 /var/www/{{ projectName }}/cs/releases/*.tar.gz | head -{{ backupCountForRemove }} | xargs rm
      vars:
        backupCountForRemove: "{{ existBackupsCount.stdout|int - 3 }}"
      register: backupsForDelete
      when: existBackupsCount.stdout|int > 3