Simple salt example. core.sls is in the same directory as top.sls (that's one way to designate a state file). monitoring state ID is defined in a FILE called "init.sls" in the "monitoring" subdirectory.

core.sls

core:
  pkg.installed:
    - pkgs:
      - htop
      - vim-nox
      - git-core
      - zsh
      - tmux
      - git

init.sls

/etc/apt/sources.list.d/newrelic.list:
  file.managed:
    - source: salt://monitoring/newrelic.list
    - user: root
    - group: root
    - mode: 644

newrelic-sysmond:
    pkgrepo.managed:
      - humanname: New Relic
      - name: deb http://apt.newrelic.com/debian/ newrelic non-free
      - file: /etc/apt/sources.list.d/newrelic.list
      - keyid: 548C16BF
      - keyserver: subkeys.pgp.net
      - require_in:
        - pkg: newrelic-sysmond
    pkg:
      - installed
    service:
      - running
      - enable: True
      - require:
        - pkg: newrelic-sysmond
      - watch:
        - file: /etc/newrelic/nrsysmond.cfg

/etc/newrelic/nrsysmond.cfg:
  file.managed:
    - source: salt://monitoring/nrsysmond.cfg
    - user: root
    - group: root
    - mode: 644
    - replace: True
    - template: jinja

top.sls

base:
  '*':
    - core
  '* and not G@roles:vagrant':
    - match: compound
    - monitoring