Current File : //proc/self/root/proc/thread-self/root/lib/python2.7/site-packages/salt/beacons/proxy_example.py
# -*- coding: utf-8 -*-
'''
Example beacon to use with salt-proxy
.. code-block:: yaml
beacons:
proxy_example:
endpoint: beacon
'''
# Import Python libs
from __future__ import absolute_import, unicode_literals
import logging
# Import salt libs
import salt.utils.http
from salt.ext.six.moves import map
# Important: If used with salt-proxy
# this is required for the beacon to load!!!
__proxyenabled__ = ['*']
__virtualname__ = 'proxy_example'
log = logging.getLogger(__name__)
def __virtual__():
'''
Trivially let the beacon load for the test example.
For a production beacon we should probably have some expression here.
'''
return True
def validate(config):
'''
Validate the beacon configuration
'''
if not isinstance(config, list):
return False, ('Configuration for proxy_example beacon must be a list.')
return True, 'Valid beacon configuration'
def beacon(config):
'''
Called several times each second
https://docs.saltstack.com/en/latest/topics/beacons/#the-beacon-function
.. code-block:: yaml
beacons:
proxy_example:
- endpoint: beacon
'''
# Important!!!
# Although this toy example makes an HTTP call
# to get beacon information
# please be advised that doing CPU or IO intensive
# operations in this method will cause the beacon loop
# to block.
_config = {}
list(map(_config.update, config))
beacon_url = '{0}{1}'.format(__opts__['proxy']['url'],
_config['endpoint'])
ret = salt.utils.http.query(beacon_url,
decode_type='json',
decode=True)
return [ret['dict']]
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