saltstack meta state and meta pillar

---
# top.sls (same for pillar and state):
  'G@app:appserver':
  - {match: compound}
  - appserver

---
# meta-state state/appserver/init.sls:
include:
  - loggingapp

---
# meta-pillar pillar/appserver/init.sls:
sources:
  - name: "varlog"
    path: "/var/log/syslog*"
  - name: "pginx"
    path: "/var/log/nginx*"
  - name: "app"
    path: "/var/log/app/*"

include:
  - loggingapp

# requisite-state state/loggingapp/init.sls
configuration:
  file.managed:
    - name: /etc/rsyslog.conf
    - source: salt://loggingapp/rsyslog.conf.jinja
    - template: jinja
    - user: root
    - group: root
    - mode: 0640
    - defaults:
      sources: {{ pillar['sources'] }}


# requisite-pillar pillar/loggingapp/init.sls
sources:
  - name: "messages"
    path: "/var/log/messages*"