-etc-salt-master.d-60-reactor.conf

reactor:
  - 'salt/minion/*/start':
    - /srv/reactor/sync_all.sls
    - /srv/reactor/graphite_event.sls

-srv-reactor-graphite_event.sls

graph_evt:
  cmd.graphite.post_event:
    - tgt: 'tags:master'
    - expr_form: grain
    - arg:
      - {{ tag }}
      - {{ data }}

graphite.py

# Interface with a graphite server
# for now just sending events
#
# To use, put the following in your reactor config:
#
# TODO

import json
import httplib

def __virtual__():
    '''
    '''
    return 'graphite'


def post_event(tag, data):
    '''Post an event to the graphite servers rest interface'''
    fun = data.get('fun', 'FUN NOT SET')
    # don't post_event if we're already post_event'ing or uninteresting events2
    if fun in ['graphite.post_event', 'post_event',
               'saltutil.find_job', 'saltutil.running',
               'test.ping']:
        return True

    payload = {
        'what': 'SALT EVENT (R)',
        'tags': '{} {}'.format(fun, tag),
        'data': data,
    }
    headers = {}

    conn = httplib.HTTPConnection(__salt__['mine.get']('roles:mon', 'network.get_hostname', 'grain').keys()[0])
    conn.request('POST', '/events/', json.dumps(payload), headers)

    return True