salt/pillar/nodegroups.py
# -*- coding: utf-8 -*-
'''
Nodegroups Pillar
=================
Introspection: to which nodegroups does my minion belong?
Provides a pillar with the default name of `nodegroups`
which contains a list of nodegroups which match for a given minion.
.. versionadded:: 2016.11.0
Command Line
------------
.. code-block:: bash
salt-call pillar.get nodegroups
local:
- class_infra
- colo_sj
- state_active
- country_US
- type_saltmaster
Configuring Nodegroups Pillar
-----------------------------
.. code-block:: yaml
extension_modules: /srv/salt/ext
ext_pillar:
- nodegroups:
pillar_name: 'nodegroups'
'''
# Import futures
from __future__ import absolute_import, print_function, unicode_literals
# Import Salt libs
from salt.utils.minions import CkMinions
# Import 3rd-party libs
from salt.ext import six
__version__ = '0.0.2'
def ext_pillar(minion_id, pillar, pillar_name=None):
'''
A salt external pillar which provides the list of nodegroups of which the minion is a member.
:param minion_id: used for compound matching nodegroups
:param pillar: provided by salt, but not used by nodegroups ext_pillar
:param pillar_name: optional name to use for the pillar, defaults to 'nodegroups'
:return: a dictionary which is included by the salt master in the pillars returned to the minion
'''
pillar_name = pillar_name or 'nodegroups'
all_nodegroups = __opts__['nodegroups']
nodegroups_minion_is_in = []
ckminions = None
for nodegroup_name in six.iterkeys(all_nodegroups):
ckminions = ckminions or CkMinions(__opts__)
_res = ckminions.check_minions(
all_nodegroups[nodegroup_name],
'compound')
match = _res['minions']
if minion_id in match:
nodegroups_minion_is_in.append(nodegroup_name)
return {pillar_name: nodegroups_minion_is_in}