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137 lines
4.9 KiB
Python
137 lines
4.9 KiB
Python
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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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# 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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from os.path import basename
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from ansible.errors import AnsibleParserError
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from ansible.playbook.attribute import FieldAttribute
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from ansible.playbook.task import Task
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from ansible.playbook.role import Role
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from ansible.playbook.role.include import RoleInclude
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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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__all__ = ['IncludeRole']
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class IncludeRole(Task):
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"""
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A Role include is derived from a regular role to handle the special
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circumstances related to the `- include_role: ...`
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"""
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# =================================================================================
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# ATTRIBUTES
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# private as this is a 'module options' vs a task property
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_allow_duplicates = FieldAttribute(isa='bool', default=True, private=True)
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_static = FieldAttribute(isa='bool', default=None, private=True)
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_private = FieldAttribute(isa='bool', default=None, private=True)
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def __init__(self, block=None, role=None, task_include=None):
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super(IncludeRole, self).__init__(block=block, role=role, task_include=task_include)
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self.statically_loaded = False
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self._from_files = {}
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self._parent_role = role
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self._role_name = None
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def get_block_list(self, play=None, variable_manager=None, loader=None):
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# only need play passed in when dynamic
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if play is None:
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myplay = self._parent._play
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else:
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myplay = play
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ri = RoleInclude.load(self._role_name, play=myplay, variable_manager=variable_manager, loader=loader)
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ri.vars.update(self.vars)
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# build role
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actual_role = Role.load(ri, myplay, parent_role=self._parent_role, from_files=self._from_files)
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actual_role._metadata.allow_duplicates = self.allow_duplicates
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# compile role with parent roles as dependencies to ensure they inherit
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# variables
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if not self._parent_role:
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dep_chain = []
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else:
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dep_chain = list(self._parent_role._parents)
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dep_chain.extend(self._parent_role.get_all_dependencies())
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dep_chain.append(self._parent_role)
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blocks = actual_role.compile(play=myplay, dep_chain=dep_chain)
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for b in blocks:
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b._parent = self
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# updated available handlers in play
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myplay.handlers = myplay.handlers + actual_role.get_handler_blocks(play=myplay)
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return blocks
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@staticmethod
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def load(data, block=None, role=None, task_include=None, variable_manager=None, loader=None):
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ir = IncludeRole(block, role, task_include=task_include).load_data(data, variable_manager=variable_manager, loader=loader)
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### Process options
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# name is needed, or use role as alias
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ir._role_name = ir.args.get('name', ir.args.get('role'))
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if ir._role_name is None:
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raise AnsibleParserError("'name' is a required field for include_role.")
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# build options for role includes
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for key in ['tasks', 'vars', 'defaults']:
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from_key ='%s_from' % key
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if ir.args.get(from_key):
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ir._from_files[key] = basename(ir.args.get(from_key))
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#FIXME: find a way to make this list come from object ( attributes does not work as per below)
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# manual list as otherwise the options would set other task parameters we don't want.
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for option in ['static', 'private', 'allow_duplicates']:
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if option in ir.args:
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setattr(ir, option, ir.args.get(option))
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return ir.load_data(data, variable_manager=variable_manager, loader=loader)
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def copy(self, exclude_parent=False, exclude_tasks=False):
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new_me = super(IncludeRole, self).copy(exclude_parent=exclude_parent, exclude_tasks=exclude_tasks)
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new_me.statically_loaded = self.statically_loaded
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new_me._from_files = self._from_files.copy()
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new_me._parent_role = self._parent_role
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new_me._role_name = self._role_name
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return new_me
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def get_include_params(self):
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v = super(IncludeRole, self).get_include_params()
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if self._parent_role:
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v.update(self._parent_role.get_role_params())
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return v
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