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# -*- coding: utf-8 -*-
# -------------------------------------------------------------
# Salt — Node execution module
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
# Project: Nasqueron
# Created: 2017-10-21
# Description: Functions related to the nodes pillar entry
# License: BSD-2-Clause
# -------------------------------------------------------------
def _get_all_nodes():
return __pillar__.get('nodes', {})
def get(nodename=None):
'''
A function to get a node pillar configuration.
CLI Example:
salt * node.get
'''
if nodename is None:
nodename = __grains__['id']
all_nodes = _get_all_nodes()
return all_nodes[nodename]
def _explode_key(k): return k.split(':')
def _get_first_key(k): return _explode_key(k)[0]
def _strip_first_key(k): return ':'.join(_explode_key(k)[1:])
def _get_property(key, nodename, default_value, parent=None):
if parent is None:
parent = get(nodename)
if ':' in key:
first_key = _get_first_key(key)
if first_key in parent:
return _get_property(
_strip_first_key(key), nodename,
default_value, parent[first_key]
)
elif key in parent:
return parent[key]
return default_value
def list(key, nodename=None):
'''
A function to get a node pillar configuration.
Returns a list if found, or an empty list if not found.
CLI Example:
salt * node.list network:ipv4_aliases
'''
return _get_property(key, nodename, [])
def has(key, nodename=None):
'''
A function to get a node pillar configuration.
Returns a boolean, False if not found.
CLI Example:
salt * node.has network:ipv6_tunnel
'''
value = _get_property(key, nodename, False)
return bool(value)
def has_role(role, nodename=None):
'''
A function to determine if a node has the specified role.
Returns a boolean, False if not found.
CLI Example:
salt * node.has_role devserver
'''
return role in list('roles', nodename)

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