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# -*- coding: utf-8 -*-
'''
State to control Apache modjk
'''
# Python Libs
from __future__ import absolute_import, print_function, unicode_literals
import logging
# Import 3rd-party libs
from salt.ext import six
log = logging.getLogger(__name__)
def __virtual__():
'''
Load this state if modjk is loaded
'''
return 'modjk.workers' in __salt__
def _bulk_state(saltfunc, lbn, workers, profile):
'''
Generic function for bulk worker operation
'''
ret = {'name': lbn,
'result': True,
'changes': {},
'comment': ''}
if not isinstance(workers, list):
ret['result'] = False
ret['comment'] = 'workers should be a list not a {0}'.format(
type(workers)
)
return ret
if __opts__['test']:
ret['result'] = None
return ret
log.info('executing %s to modjk workers %s', saltfunc, workers)
try:
cmdret = __salt__[saltfunc](workers, lbn, profile=profile)
except KeyError:
ret['result'] = False
ret['comment'] = 'unsupported function {0}'.format(
saltfunc
)
return ret
errors = []
for worker, ok in six.iteritems(cmdret):
if not ok:
errors.append(worker)
ret['changes'] = {'status': cmdret}
if errors:
ret['result'] = False
ret['comment'] = '{0} failed on some workers'.format(saltfunc)
return ret
def worker_stopped(name, workers=None, profile='default'):
'''
Stop all the workers in the modjk load balancer
Example:
.. code-block:: yaml
loadbalancer:
modjk.worker_stopped:
- workers:
- app1
- app2
'''
if workers is None:
workers = []
return _bulk_state(
'modjk.bulk_stop', name, workers, profile
)
def worker_activated(name, workers=None, profile='default'):
'''
Activate all the workers in the modjk load balancer
Example:
.. code-block:: yaml
loadbalancer:
modjk.worker_activated:
- workers:
- app1
- app2
'''
if workers is None:
workers = []
return _bulk_state(
'modjk.bulk_activate', name, workers, profile
)
def worker_disabled(name, workers=None, profile='default'):
'''
Disable all the workers in the modjk load balancer
Example:
.. code-block:: yaml
loadbalancer:
modjk.worker_disabled:
- workers:
- app1
- app2
'''
if workers is None:
workers = []
return _bulk_state(
'modjk.bulk_disable', name, workers, profile
)
def worker_recover(name, workers=None, profile='default'):
'''
Recover all the workers in the modjk load balancer
Example:
.. code-block:: yaml
loadbalancer:
modjk.worker_recover:
- workers:
- app1
- app2
'''
if workers is None:
workers = []
return _bulk_state(
'modjk.bulk_recover', name, workers, profile
)
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