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ansible/lib/ansible/inventory/host.py

144 lines
3.9 KiB
Python

# (c) 2012-2014, Michael DeHaan <michael.dehaan@gmail.com>
#
# This file is part of Ansible
#
# Ansible is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Ansible is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Ansible. If not, see <http://www.gnu.org/licenses/>.
# Make coding more python3-ish
from __future__ import (absolute_import, division, print_function)
__metaclass__ = type
import uuid
from ansible.inventory.group import Group
from ansible.utils.vars import combine_vars
__all__ = ['Host']
class Host:
''' a single ansible host '''
#__slots__ = [ 'name', 'vars', 'groups' ]
def __getstate__(self):
return self.serialize()
def __setstate__(self, data):
return self.deserialize(data)
def __eq__(self, other):
if not isinstance(other, Host):
return False
return self._uuid == other._uuid
def __ne__(self, other):
return not self.__eq__(other)
def __hash__(self):
return hash(self.name)
def serialize(self):
groups = []
for group in self.groups:
groups.append(group.serialize())
return dict(
name=self.name,
vars=self.vars.copy(),
address=self.address,
uuid=self._uuid,
gathered_facts=self._gathered_facts,
groups=groups,
implicit=self.implicit,
)
def deserialize(self, data):
self.__init__(gen_uuid=False)
self.name = data.get('name')
self.vars = data.get('vars', dict())
self.address = data.get('address', '')
self._uuid = data.get('uuid', None)
self.implicit= data.get('implicit', False)
groups = data.get('groups', [])
for group_data in groups:
g = Group()
g.deserialize(group_data)
self.groups.append(g)
def __init__(self, name=None, port=None, gen_uuid=True):
self.name = name
self.vars = {}
self.groups = []
self.address = name
if port:
self.set_variable('ansible_port', int(port))
self._gathered_facts = False
self._uuid = None
if gen_uuid:
self._uuid = uuid.uuid4()
self.implicit = False
def __repr__(self):
return self.get_name()
def get_name(self):
return self.name
@property
def gathered_facts(self):
return self._gathered_facts
def set_gathered_facts(self, gathered):
self._gathered_facts = gathered
def add_group(self, group):
self.groups.append(group)
def set_variable(self, key, value):
self.vars[key]=value
def get_groups(self):
groups = {}
for g in self.groups:
groups[g.name] = g
ancestors = g.get_ancestors()
for a in ancestors:
groups[a.name] = a
return groups.values()
def get_vars(self):
results = {}
results = combine_vars(results, self.vars)
results['inventory_hostname'] = self.name
results['inventory_hostname_short'] = self.name.split('.')[0]
results['group_names'] = sorted([ g.name for g in self.get_groups() if g.name != 'all'])
return results
def get_group_vars(self):
results = {}
groups = self.get_groups()
for group in sorted(groups, key=lambda g: (g.depth, g.name)):
results = combine_vars(results, group.get_vars())
return results