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# -*- coding: utf-8 -*-
'''
Chronos
========
Proxy minion for managing a Chronos cluster.
Dependencies
------------
- :mod:`chronos execution module (salt.modules.chronos) <salt.modules.chronos>`
Pillar
------
The chronos proxy configuration requires a 'base_url' property that points to
the chronos endpoint:
.. code-block:: yaml
proxy:
proxytype: chronos
base_url: http://my-chronos-master.mydomain.com:4400
.. versionadded:: 2015.8.2
'''
from __future__ import absolute_import, print_function, unicode_literals
import logging
import salt.utils.http
__proxyenabled__ = ['chronos']
CONFIG = {}
CONFIG_BASE_URL = 'base_url'
log = logging.getLogger(__file__)
def __virtual__():
return True
def init(opts):
'''
Perform any needed setup.
'''
if CONFIG_BASE_URL in opts['proxy']:
CONFIG[CONFIG_BASE_URL] = opts['proxy'][CONFIG_BASE_URL]
else:
log.error('missing proxy property %s', CONFIG_BASE_URL)
log.debug('CONFIG: %s', CONFIG)
def ping():
'''
Is the chronos api responding?
'''
try:
response = salt.utils.http.query(
"{0}/scheduler/jobs".format(CONFIG[CONFIG_BASE_URL]),
decode_type='json',
decode=True,
)
log.debug(
'chronos.info returned successfully: %s',
response,
)
if 'dict' in response:
return True
except Exception as ex:
log.error(
'error pinging chronos with base_url %s: %s',
CONFIG[CONFIG_BASE_URL],
ex,
)
return False
def shutdown(opts):
'''
For this proxy shutdown is a no-op
'''
log.debug('chronos proxy shutdown() called...')
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