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# (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 from collections.abc import Mapping, MutableMapping from ansible.inventory.group import Group from ansible.parsing.utils.addresses import patterns from ansible.utils.vars import combine_vars, get_unique_id __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 __str__(self): return self.get_name() def __repr__(self): return self.get_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, groups=groups, implicit=self.implicit, ) def deserialize(self, data): self.__init__(gen_uuid=False) # used by __setstate__ to deserialize in place # pylint: disable=unnecessary-dunder-call 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.vars = {} self.groups = [] self._uuid = None self.name = name self.address = name if port: self.set_variable('ansible_port', int(port)) if gen_uuid: self._uuid = get_unique_id() self.implicit = False def get_name(self): return self.name def populate_ancestors(self, additions=None): # populate ancestors if additions is None: for group in self.groups: self.add_group(group) else: for group in additions: if group not in self.groups: self.groups.append(group) def add_group(self, group): added = False # populate ancestors first for oldg in group.get_ancestors(): if oldg not in self.groups: self.groups.append(oldg) # actually add group if group not in self.groups: self.groups.append(group) added = True return added def remove_group(self, group): removed = False if group in self.groups: self.groups.remove(group) removed = True # remove exclusive ancestors, xcept all! for oldg in group.get_ancestors(): if oldg.name != 'all': for childg in self.groups: if oldg in childg.get_ancestors(): break else: self.remove_group(oldg) return removed def set_variable(self, key, value): if key in self.vars and isinstance(self.vars[key], MutableMapping) and isinstance(value, Mapping): self.vars = combine_vars(self.vars, {key: value}) else: self.vars[key] = value def get_groups(self): return self.groups def get_magic_vars(self): results = {} results['inventory_hostname'] = self.name if patterns['ipv4'].match(self.name) or patterns['ipv6'].match(self.name): results['inventory_hostname_short'] = self.name else: 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_vars(self): return combine_vars(self.vars, self.get_magic_vars())