haproxy.sls

haproxy:
  pkg.installed

/etc/haproxy/haproxy.cfg:
  file.managed:
    - source: salt://proxy/etc/haproxy/haproxy.cfg
    - require:
      - pkg: haproxy

service-haproxy:
  service.running:
    - name: haproxy
    - watch:
      - pkg: haproxy

service-haproxy-reload:
  service.running:
    - name: haproxy
    - reload: True
    - onlyif: haproxy -f /etc/haproxy/haproxy.cfg -c
    - watch:
      - file: /etc/haproxy/haproxy.cfg