82 lines
2.7 KiB
Python
82 lines
2.7 KiB
Python
# (c) 2012-2014, Michael DeHaan <michael.dehaan@gmail.com>
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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 ansible.playbook.attribute import Attribute, FieldAttribute
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from ansible.playbook.base import Base
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from ansible.playbook.helpers import load_list_of_tasks
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class Block(Base):
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_block = FieldAttribute(isa='list')
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_rescue = FieldAttribute(isa='list')
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_always = FieldAttribute(isa='list')
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_tags = FieldAttribute(isa='list', default=[])
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_when = FieldAttribute(isa='list', default=[])
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# for future consideration? this would be functionally
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# similar to the 'else' clause for exceptions
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#_otherwise = FieldAttribute(isa='list')
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def __init__(self, role=None):
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self.role = role
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super(Block, self).__init__()
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def get_variables(self):
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# blocks do not (currently) store any variables directly,
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# so we just return an empty dict here
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return dict()
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@staticmethod
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def load(data, role=None, loader=None):
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b = Block(role=role)
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return b.load_data(data, loader=loader)
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def munge(self, ds):
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'''
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If a simple task is given, an implicit block for that single task
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is created, which goes in the main portion of the block
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'''
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is_block = False
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for attr in ('block', 'rescue', 'always'):
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if attr in ds:
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is_block = True
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break
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if not is_block:
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if isinstance(ds, list):
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return dict(block=ds)
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else:
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return dict(block=[ds])
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return ds
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def _load_block(self, attr, ds):
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return load_list_of_tasks(ds, block=self, loader=self._loader)
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def _load_rescue(self, attr, ds):
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return load_list_of_tasks(ds, block=self, loader=self._loader)
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def _load_always(self, attr, ds):
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return load_list_of_tasks(ds, block=self, loader=self._loader)
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# not currently used
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#def _load_otherwise(self, attr, ds):
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# return self._load_list_of_tasks(ds, block=self, loader=self._loader)
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