1prep.yml

---
  # Configures the system for deploying My School Day

- name: Ensure backend directory exists
  file: path=/apps/backend state=directory owner=app group=apps mode=0770

- name: Ensure shared directory exists
  file: path=/apps/shared state=directory owner=app group=apps mode=0770

- name: Ensure shared sub directories exist
  file: path=/apps/shared/{{ item }} state=directory owner=app group=apps mode=0770
  with_items:
    - log
    - pids
    - sockets
    - system

- name: Ensure shared sub directories exist for public access
  file: path=/apps/shared/{{ item }} state=directory owner=app group=apps_public mode=0770
  with_items:
    - system

- name: Ensure nginx is in the apps directory
  user: name=nginx groups=apps append=yes

- name: Generate the versioned directory name
  command: date +%Y%m%d_%H%M
  register: versioned_directory_name

- name: Create the directory
  file: path=/apps/backend/{{ versioned_directory_name.stdout }} state=directory owner=app group=apps mode=0770

- name: Copy the backend into the versioned directory
  synchronize: src=files/backend/ dest=/apps/backend/{{ versioned_directory_name.stdout }}/ recursive=yes

- name: Copy the frontend public into the backend public
  copy: src=../../../files/frontend/public/ dest=/apps/backend/{{ versioned_directory_name.stdout }}/public/ owner=app group=apps mode=0770

- name: Ensure log is not present in backend
  file: path=/apps/backend/{{ versioned_directory_name.stdout }}/log state=absent

- name: Ensure log is shared
  file: dest=/apps/backend/{{ versioned_directory_name.stdout }}/log src=/apps/shared/log state=link

- name: Ensure public/system is not present in backend
  file: path=/apps/backend/{{ versioned_directory_name.stdout }}/public/system state=absent

- name: Ensure public/system is shared
  file: dest=/apps/backend/{{ versioned_directory_name.stdout }}/public/system src=/apps/shared/system state=link

- name: Ensure tmp directory on backend exists
  command: mkdir -p /apps/backend/{{ versioned_directory_name.stdout }}/tmp creates=/apps/backend/{{ versioned_directory_name.stdout }}/tmp

- name: Ensure shared directories exist
  file: dest=/apps/backend/{{ versioned_directory_name.stdout }}/tmp/{{ item }} src=/apps/shared/{{ item }} state=link
  with_items:
    - pids
    - sockets

- name: Chown on app
  command: chown -R app /apps/backend /apps/shared

- name: Chgrp on apps
  command: chgrp -R apps /apps/backend /apps/shared

- name: Grant apps_public to nginx
  user: name=nginx append=yes groups=apps_public

- name: Chgrp for public to apps_public
  command: chgrp -R apps /apps/backend/{{ versioned_directory_name.stdout }}/public

- name: Grant access to access the folder
  command: chmod 775 {{ item }}
  with_items:
    - /apps
    - /apps/backend
    - /apps/backend/{{ versioned_directory_name.stdout }}
    - /apps/backend/{{ versioned_directory_name.stdout }}/public
    - /apps/shared
    - /apps/shared/sockets

- name: Load default configuration
  include_vars: ../variables/default_vhost.yml

- name: Deploy Nginx configuration
  template: src=../templates/nginx_vhost.conf dest=/etc/nginx/conf.d/msd.conf

- name: Update Nginx
  service: name=nginx state=reloaded

- name: Deploy the Unicorn script
  copy: src=unicorn dest=/etc/init/unicorn.conf

- service: name=unicorn enabled=yes

- name: Deploy the worker script
  copy: src=worker dest=/etc/init/worker.conf

- service: name=worker enabled=yes

2deploy.yml

---
  # Brings the application up (or restarts as needed etc.)

- name: Stop the workers
  service: name=worker state=stopped

- name: Ensure the vendored gems are installed
  shell: bundle install --binstubs --deployment --without development test test_pr test_prod chdir=/apps/backend/{{ versioned_directory_name.stdout }}
  sudo: yes
  sudo_user: app

- name: Ensure executions on bin stubs
  shell: chmod +x /apps/backend/{{ versioned_directory_name.stdout }}/bin/*

- name: Check DB state
  shell: RAILS_ENV=production ./bin/rake db:migrate:status chdir=/apps/backend/{{ versioned_directory_name.stdout }}
  register: migration_status
  ignore_errors: true
  sudo: yes
  sudo_user: app

- name: Creating application DB
  shell: RAILS_ENV=production ./bin/rake db:create chdir=/apps/backend/{{ versioned_directory_name.stdout }}
  when: migration_status.stdout.find('migrations table does not exist') != -1
  sudo: yes
  sudo_user: app

- name: Perform the migrations
  shell: RAILS_ENV=production ./bin/rake --trace db:migrate chdir=/apps/backend/{{ versioned_directory_name.stdout }}
  sudo: yes
  sudo_user: app

- name: Generate Rails managed binstubs
  shell: yes | ./bin/rake rails:update:bin chdir=/apps/backend/{{ versioned_directory_name.stdout }}
  sudo: yes
  sudo_user: app

- name: Check the system integrity
  shell: RAILS_ENV=production ./bin/rake check:integrity chdir=/apps/backend/{{ versioned_directory_name.stdout }}
  sudo: yes
  sudo_user: app

- name: Remove the current pointer
  file: path=/apps/backend/current state=absent
  ignore_errors: true

- name: Create the current pointer
  file: src=/apps/backend/{{ versioned_directory_name.stdout }} dest=/apps/backend/current state=link

- name: Restart the application
  service: name=unicorn state=restarted

- name: Start the worker
  service: name=worker state=restarted

- name: Grant access to current
  command: chmod 775 /apps/backend/current

- name: Install the cron jobs
  shell: CRON_D_USER=app ./bin/whenever > /etc/cron.d/msd_cron chdir=/apps/backend/{{ versioned_directory_name.stdout }}
  sudo: yes

- name: Copy cleanup script
  copy: src=cleanup_old_releases.rb dest=/tmp/cleanup_old_releases.rb mode=0755

- name: Run cleanup script
  shell: ruby /tmp/cleanup_old_releases.rb /apps/backend chdir=/apps/backend