Nginx example

Nginx example.sls

# /srv/salt/nginx/init.sls
nginx:
  pkgrepo:
    # Set up the package repository with PPA
    - managed
    - ppa: nginx/stable
    # This is telling SaltStack that when running pkg module, this is its dependency
    # This is a reverse way of setting requirements
    - require_in:
      - pkg: nginx

  pkg:
    # Install the package
    - installed

  service:
    - running
    - require:
      - pkg: nginx
    - watch:
      # When something here changes, restart the service
      - pkg: nginx
      - file: /etc/nginx/sites-enabled/
      - file: /etc/nginx/nginx.conf

/etc/nginx/nginx.conf:
  file:
    - managed
    - source: salt://nginx/nginx.conf.jinja
    - user: root
    - group: root
    - mode: 644
    - template: jinja
    - require:
      - pkg: nginx

# /srv/salt/nginx/nginx.conf.jinja
user www-data;
worker_processes {{ pillars['nginx']['num_of_workers_per_cpu'] * grains['num_cpus'] }};
pid /run/nginx.pid;