ansible/lib/ansible/playbook/handler.py
Matt Martz 2a469fd959 Consolidate handler tracking (#49338)
* Consolidate handler tracking
  -  Remove unused code. ci_complete
  - unit test fixes. ci_complete
  - Restore previous behavior of matching a single handler
  - when notifying a host for a handler, return True if it was added, False otherwise, to reduce copied logic
  - rename funcitons for clarity. ci_complete
  - Remove handler logic for static includes which was disabled previously
2018-12-11 10:58:19 -05:00

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2 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
from ansible.playbook.attribute import FieldAttribute
from ansible.playbook.task import Task
class Handler(Task):
_listen = FieldAttribute(isa='list', default=list)
def __init__(self, block=None, role=None, task_include=None):
self.notified_hosts = []
self.cached_name = False
super(Handler, self).__init__(block=block, role=role, task_include=task_include)
def __repr__(self):
''' returns a human readable representation of the handler '''
return "HANDLER: %s" % self.get_name()
@staticmethod
def load(data, block=None, role=None, task_include=None, variable_manager=None, loader=None):
t = Handler(block=block, role=role, task_include=task_include)
return t.load_data(data, variable_manager=variable_manager, loader=loader)
def notify_host(self, host):
if not self.is_host_notified(host):
self.notified_hosts.append(host)
return True
return False
def is_host_notified(self, host):
return host in self.notified_hosts
def serialize(self):
result = super(Handler, self).serialize()
result['is_handler'] = True
return result