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104 lines
3.4 KiB
Python
104 lines
3.4 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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import itertools
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from ansible.errors import AnsibleError
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from ansible.module_utils.six import string_types
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from ansible.playbook.attribute import FieldAttribute
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from ansible.template import Templar
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class Taggable:
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untagged = frozenset(['untagged'])
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_tags = FieldAttribute(isa='list', default=[], listof=(string_types, int))
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def __init__(self):
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super(Taggable, self).__init__()
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def _load_tags(self, attr, ds):
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if isinstance(ds, list):
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return ds
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elif isinstance(ds, string_types):
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value = ds.split(',')
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if isinstance(value, list):
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return [x.strip() for x in value]
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else:
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return [ds]
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else:
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raise AnsibleError('tags must be specified as a list', obj=ds)
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def _get_attr_tags(self):
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'''
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Override for the 'tags' getattr fetcher, used from Base.
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'''
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tags = self._attributes['tags']
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if tags is None:
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tags = []
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if hasattr(self, '_get_parent_attribute'):
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tags = self._get_parent_attribute('tags', extend=True)
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return tags
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def evaluate_tags(self, only_tags, skip_tags, all_vars):
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''' this checks if the current item should be executed depending on tag options '''
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should_run = True
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if self.tags:
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templar = Templar(loader=self._loader, variables=all_vars)
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tags = templar.template(self.tags)
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if not isinstance(tags, list):
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if tags.find(',') != -1:
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tags = set(tags.split(','))
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else:
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tags = set([tags])
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else:
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tags = set([i for i, _ in itertools.groupby(tags)])
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else:
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# this makes isdisjoint work for untagged
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tags = self.untagged
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if only_tags:
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should_run = False
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if 'always' in tags or 'all' in only_tags:
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should_run = True
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elif not tags.isdisjoint(only_tags):
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should_run = True
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elif 'tagged' in only_tags and tags != self.untagged:
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should_run = True
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if should_run and skip_tags:
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# Check for tags that we need to skip
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if 'all' in skip_tags:
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if 'always' not in tags or 'always' in skip_tags:
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should_run = False
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elif not tags.isdisjoint(skip_tags):
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should_run = False
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elif 'tagged' in skip_tags and tags != self.untagged:
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should_run = False
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return should_run
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