Source code for ansible.inventory.host

# (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']

[docs]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)
[docs] 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, )
[docs] def deserialize(self, data): self.__init__() self.name = data.get('name') self.vars = data.get('vars', dict()) self.address = data.get('address', '') self._uuid = data.get('uuid', uuid.uuid4()) 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): 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 = uuid.uuid4() self.implicit = False def __repr__(self): return self.get_name()
[docs] def get_name(self): return self.name
@property def gathered_facts(self): return self._gathered_facts
[docs] def set_gathered_facts(self, gathered): self._gathered_facts = gathered
[docs] def add_group(self, group): self.groups.append(group)
[docs] def set_variable(self, key, value): self.vars[key]=value
[docs] 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()
[docs] 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
[docs] def get_group_vars(self): results = {} groups = self.get_groups() for group in sorted(groups, key=lambda g: g.depth): results = combine_vars(results, group.get_vars()) return results