2014-01-04 19:31:44 +01:00
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# (c) 2012-2014, Michael DeHaan <michael.dehaan@gmail.com>
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2012-05-26 06:37:34 +02:00
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#
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# This file is part of Ansible
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#
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# Ansible is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# Ansible is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with Ansible. If not, see <http://www.gnu.org/licenses/>.
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2015-05-04 04:47:26 +02:00
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# Make coding more python3-ish
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from __future__ import (absolute_import, division, print_function)
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__metaclass__ = type
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2014-12-03 16:27:27 +01:00
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2015-10-16 02:55:23 +02:00
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from ansible.compat.six import string_types
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2015-06-28 07:00:32 +02:00
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2015-11-11 17:09:11 +01:00
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from ansible.errors import AnsibleParserError
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2015-05-04 04:47:26 +02:00
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2015-11-11 17:09:11 +01:00
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from ansible.playbook.attribute import FieldAttribute
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2015-05-04 04:47:26 +02:00
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from ansible.playbook.base import Base
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from ansible.playbook.become import Become
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2015-07-22 17:20:50 +02:00
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from ansible.playbook.block import Block
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2015-05-04 04:47:26 +02:00
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from ansible.playbook.helpers import load_list_of_blocks, load_list_of_roles
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from ansible.playbook.role import Role
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from ansible.playbook.taggable import Taggable
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2015-09-09 23:52:44 +02:00
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from ansible.vars import preprocess_vars
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2012-08-22 04:08:08 +02:00
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2015-09-09 23:52:44 +02:00
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try:
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from __main__ import display
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except ImportError:
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from ansible.utils.display import Display
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display = Display()
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2012-05-26 06:37:34 +02:00
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2015-11-11 17:09:11 +01:00
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__all__ = ['Play']
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2015-05-04 04:47:26 +02:00
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class Play(Base, Taggable, Become):
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2012-05-26 07:20:53 +02:00
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2015-05-04 04:47:26 +02:00
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"""
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A play is a language feature that represents a list of roles and/or
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task/handler blocks to execute on a given set of hosts.
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2012-05-26 06:37:34 +02:00
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2015-05-04 04:47:26 +02:00
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Usage:
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2012-05-26 06:37:34 +02:00
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2015-05-04 04:47:26 +02:00
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Play.load(datastructure) -> Play
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Play.something(...)
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"""
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2012-05-26 06:37:34 +02:00
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2015-05-04 04:47:26 +02:00
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# =================================================================================
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# Connection-Related Attributes
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2012-05-26 06:37:34 +02:00
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2015-05-04 04:47:26 +02:00
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# TODO: generalize connection
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2015-08-28 21:54:20 +02:00
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_accelerate = FieldAttribute(isa='bool', default=False, always_post_validate=True)
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_accelerate_ipv6 = FieldAttribute(isa='bool', default=False, always_post_validate=True)
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_accelerate_port = FieldAttribute(isa='int', default=5099, always_post_validate=True)
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2012-08-07 02:07:02 +02:00
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2015-05-04 04:47:26 +02:00
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# Connection
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2015-08-28 21:54:20 +02:00
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_gather_facts = FieldAttribute(isa='bool', default=None, always_post_validate=True)
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2016-04-23 01:22:43 +02:00
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_gather_subset = FieldAttribute(isa='barelist', default=None, always_post_validate=True)
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2016-07-08 23:46:41 +02:00
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_gather_timeout = FieldAttribute(isa='int', default=None, always_post_validate=True)
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2015-12-09 17:23:45 +01:00
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_hosts = FieldAttribute(isa='list', required=True, listof=string_types, always_post_validate=True)
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2015-08-28 21:54:20 +02:00
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_name = FieldAttribute(isa='string', default='', always_post_validate=True)
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2012-05-26 06:37:34 +02:00
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2015-05-04 04:47:26 +02:00
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# Variable Attributes
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2015-12-09 17:22:58 +01:00
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_vars_files = FieldAttribute(isa='list', default=[], priority=99)
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_vars_prompt = FieldAttribute(isa='list', default=[], always_post_validate=True)
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2015-08-28 21:54:20 +02:00
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_vault_password = FieldAttribute(isa='string', always_post_validate=True)
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2012-08-09 16:56:40 +02:00
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2015-08-05 19:54:00 +02:00
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# Role Attributes
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2015-12-09 17:22:58 +01:00
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_roles = FieldAttribute(isa='list', default=[], priority=90)
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2015-08-05 19:54:00 +02:00
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2015-05-04 04:47:26 +02:00
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# Block (Task) Lists Attributes
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2015-12-09 17:22:58 +01:00
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_handlers = FieldAttribute(isa='list', default=[])
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_pre_tasks = FieldAttribute(isa='list', default=[])
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_post_tasks = FieldAttribute(isa='list', default=[])
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_tasks = FieldAttribute(isa='list', default=[])
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2012-08-09 16:56:40 +02:00
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2015-05-04 04:47:26 +02:00
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# Flag/Setting Attributes
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2015-08-28 21:54:20 +02:00
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_any_errors_fatal = FieldAttribute(isa='bool', default=False, always_post_validate=True)
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_force_handlers = FieldAttribute(isa='bool', always_post_validate=True)
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_max_fail_percentage = FieldAttribute(isa='percent', always_post_validate=True)
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2016-08-04 07:05:30 +02:00
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_serial = FieldAttribute(isa='list', default=[], always_post_validate=True)
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2015-08-28 21:54:20 +02:00
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_strategy = FieldAttribute(isa='string', default='linear', always_post_validate=True)
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2012-08-09 16:56:40 +02:00
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2015-05-04 04:47:26 +02:00
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# =================================================================================
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2012-05-26 06:37:34 +02:00
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2015-05-04 04:47:26 +02:00
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def __init__(self):
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super(Play, self).__init__()
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2014-04-03 02:46:51 +02:00
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2015-09-29 06:25:59 +02:00
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self._included_path = None
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2015-07-10 08:43:53 +02:00
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self.ROLE_CACHE = {}
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2015-05-04 04:47:26 +02:00
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def __repr__(self):
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return self.get_name()
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2012-05-26 06:37:34 +02:00
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2015-05-04 04:47:26 +02:00
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def get_name(self):
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2015-11-11 17:09:11 +01:00
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''' return the name of the Play '''
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return self._attributes.get('name')
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2012-05-26 06:37:34 +02:00
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2015-05-04 04:47:26 +02:00
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@staticmethod
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def load(data, variable_manager=None, loader=None):
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2016-02-25 17:25:17 +01:00
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if ('name' not in data or data['name'] is None) and 'hosts' in data:
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2016-02-25 17:29:44 +01:00
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if isinstance(data['hosts'], list):
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data['name'] = ','.join(data['hosts'])
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else:
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2016-09-17 09:45:29 +02:00
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data['name'] = data['hosts']
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2015-05-04 04:47:26 +02:00
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p = Play()
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return p.load_data(data, variable_manager=variable_manager, loader=loader)
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2012-05-26 06:37:34 +02:00
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2015-05-04 04:47:26 +02:00
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def preprocess_data(self, ds):
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'''
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Adjusts play datastructure to cleanup old/legacy items
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'''
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2014-04-10 19:43:59 +02:00
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2015-05-04 04:47:26 +02:00
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assert isinstance(ds, dict)
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2014-08-15 22:57:02 +02:00
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2015-05-04 04:47:26 +02:00
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# The use of 'user' in the Play datastructure was deprecated to
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# line up with the same change for Tasks, due to the fact that
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# 'user' conflicted with the user module.
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if 'user' in ds:
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# this should never happen, but error out with a helpful message
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# to the user if it does...
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if 'remote_user' in ds:
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2015-11-11 17:09:11 +01:00
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raise AnsibleParserError("both 'user' and 'remote_user' are set for %s."
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" The use of 'user' is deprecated, and should be removed" % self.get_name(), obj=ds)
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2014-08-15 22:57:02 +02:00
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2015-05-04 04:47:26 +02:00
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ds['remote_user'] = ds['user']
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del ds['user']
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return super(Play, self).preprocess_data(ds)
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def _load_tasks(self, attr, ds):
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'''
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Loads a list of blocks from a list which may be mixed tasks/blocks.
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Bare tasks outside of a block are given an implicit block.
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'''
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2015-09-23 14:56:36 +02:00
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try:
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return load_list_of_blocks(ds=ds, play=self, variable_manager=self._variable_manager, loader=self._loader)
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except AssertionError:
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raise AnsibleParserError("A malformed block was encountered.", obj=self._ds)
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2015-05-04 04:47:26 +02:00
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def _load_pre_tasks(self, attr, ds):
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'''
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Loads a list of blocks from a list which may be mixed tasks/blocks.
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Bare tasks outside of a block are given an implicit block.
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'''
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2015-09-23 14:56:36 +02:00
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try:
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return load_list_of_blocks(ds=ds, play=self, variable_manager=self._variable_manager, loader=self._loader)
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except AssertionError:
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raise AnsibleParserError("A malformed block was encountered.", obj=self._ds)
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2015-05-04 04:47:26 +02:00
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def _load_post_tasks(self, attr, ds):
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'''
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Loads a list of blocks from a list which may be mixed tasks/blocks.
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Bare tasks outside of a block are given an implicit block.
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'''
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2015-09-23 14:56:36 +02:00
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try:
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return load_list_of_blocks(ds=ds, play=self, variable_manager=self._variable_manager, loader=self._loader)
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except AssertionError:
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raise AnsibleParserError("A malformed block was encountered.", obj=self._ds)
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2015-05-04 04:47:26 +02:00
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def _load_handlers(self, attr, ds):
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'''
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Loads a list of blocks from a list which may be mixed handlers/blocks.
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Bare handlers outside of a block are given an implicit block.
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'''
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2015-09-23 14:56:36 +02:00
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try:
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return load_list_of_blocks(ds=ds, play=self, use_handlers=True, variable_manager=self._variable_manager, loader=self._loader)
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except AssertionError:
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raise AnsibleParserError("A malformed block was encountered.", obj=self._ds)
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2015-05-04 04:47:26 +02:00
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def _load_roles(self, attr, ds):
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'''
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Loads and returns a list of RoleInclude objects from the datastructure
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list of role definitions and creates the Role from those objects
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'''
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2015-05-05 20:17:04 +02:00
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if ds is None:
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ds = []
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2015-09-23 14:56:36 +02:00
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try:
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role_includes = load_list_of_roles(ds, play=self, variable_manager=self._variable_manager, loader=self._loader)
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except AssertionError:
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raise AnsibleParserError("A malformed role declaration was encountered.", obj=self._ds)
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2015-05-04 04:47:26 +02:00
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roles = []
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for ri in role_includes:
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2015-07-10 07:53:59 +02:00
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roles.append(Role.load(ri, play=self))
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2015-05-04 04:47:26 +02:00
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return roles
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2015-09-09 23:52:44 +02:00
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def _load_vars_prompt(self, attr, ds):
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new_ds = preprocess_vars(ds)
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vars_prompts = []
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for prompt_data in new_ds:
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if 'name' not in prompt_data:
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2015-11-11 17:09:11 +01:00
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display.deprecated("Using the 'short form' for vars_prompt has been deprecated")
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2015-09-09 23:52:44 +02:00
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for vname, prompt in prompt_data.iteritems():
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vars_prompts.append(dict(
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name = vname,
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prompt = prompt,
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default = None,
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private = None,
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confirm = None,
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encrypt = None,
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salt_size = None,
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salt = None,
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))
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else:
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vars_prompts.append(prompt_data)
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return vars_prompts
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2015-05-04 04:47:26 +02:00
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def _compile_roles(self):
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'''
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Handles the role compilation step, returning a flat list of tasks
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with the lowest level dependencies first. For example, if a role R
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has a dependency D1, which also has a dependency D2, the tasks from
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D2 are merged first, followed by D1, and lastly by the tasks from
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the parent role R last. This is done for all roles in the Play.
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'''
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block_list = []
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if len(self.roles) > 0:
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for r in self.roles:
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block_list.extend(r.compile(play=self))
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return block_list
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2015-06-20 10:40:41 +02:00
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def compile_roles_handlers(self):
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'''
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Handles the role handler compilation step, returning a flat list of Handlers
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This is done for all roles in the Play.
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'''
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block_list = []
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if len(self.roles) > 0:
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for r in self.roles:
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2016-07-06 21:40:11 +02:00
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block_list.extend(r.get_handler_blocks(play=self))
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2015-06-20 10:40:41 +02:00
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return block_list
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2015-05-04 04:47:26 +02:00
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def compile(self):
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'''
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Compiles and returns the task list for this play, compiled from the
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roles (which are themselves compiled recursively) and/or the list of
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tasks specified in the play.
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'''
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2015-07-22 17:20:50 +02:00
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# create a block containing a single flush handlers meta
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# task, so we can be sure to run handlers at certain points
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# of the playbook execution
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flush_block = Block.load(
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data={'meta': 'flush_handlers'},
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play=self,
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variable_manager=self._variable_manager,
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loader=self._loader
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)
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2015-05-04 04:47:26 +02:00
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block_list = []
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block_list.extend(self.pre_tasks)
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2015-07-22 17:20:50 +02:00
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block_list.append(flush_block)
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2015-05-04 04:47:26 +02:00
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block_list.extend(self._compile_roles())
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block_list.extend(self.tasks)
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2015-07-22 17:20:50 +02:00
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block_list.append(flush_block)
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2015-05-04 04:47:26 +02:00
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block_list.extend(self.post_tasks)
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2015-07-22 17:20:50 +02:00
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block_list.append(flush_block)
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2015-05-04 04:47:26 +02:00
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return block_list
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def get_vars(self):
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return self.vars.copy()
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def get_vars_files(self):
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return self.vars_files
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def get_handlers(self):
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return self.handlers[:]
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def get_roles(self):
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return self.roles[:]
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def get_tasks(self):
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tasklist = []
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for task in self.pre_tasks + self.tasks + self.post_tasks:
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if isinstance(task, Block):
|
|
|
|
tasklist.append(task.block + task.rescue + task.always)
|
2012-05-26 06:37:34 +02:00
|
|
|
else:
|
2015-05-04 04:47:26 +02:00
|
|
|
tasklist.append(task)
|
|
|
|
return tasklist
|
|
|
|
|
|
|
|
def serialize(self):
|
|
|
|
data = super(Play, self).serialize()
|
|
|
|
|
|
|
|
roles = []
|
|
|
|
for role in self.get_roles():
|
|
|
|
roles.append(role.serialize())
|
|
|
|
data['roles'] = roles
|
2015-09-29 06:25:59 +02:00
|
|
|
data['included_path'] = self._included_path
|
2015-05-04 04:47:26 +02:00
|
|
|
|
|
|
|
return data
|
|
|
|
|
|
|
|
def deserialize(self, data):
|
|
|
|
super(Play, self).deserialize(data)
|
|
|
|
|
2015-09-29 06:25:59 +02:00
|
|
|
self._included_path = data.get('included_path', None)
|
2015-05-04 04:47:26 +02:00
|
|
|
if 'roles' in data:
|
|
|
|
role_data = data.get('roles', [])
|
|
|
|
roles = []
|
|
|
|
for role in role_data:
|
|
|
|
r = Role()
|
|
|
|
r.deserialize(role)
|
|
|
|
roles.append(r)
|
|
|
|
|
|
|
|
setattr(self, 'roles', roles)
|
|
|
|
del data['roles']
|
|
|
|
|
2015-07-10 08:43:53 +02:00
|
|
|
def copy(self):
|
|
|
|
new_me = super(Play, self).copy()
|
|
|
|
new_me.ROLE_CACHE = self.ROLE_CACHE.copy()
|
2015-09-29 06:25:59 +02:00
|
|
|
new_me._included_path = self._included_path
|
2015-07-10 08:43:53 +02:00
|
|
|
return new_me
|