openstacksdk/openstack/common/tag.py

133 lines
4.6 KiB
Python

# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
from openstack import exceptions
from openstack import resource
from openstack import utils
class TagMixin:
id: resource.Body
base_path: str
_body: resource._ComponentManager
@classmethod
def _get_session(cls, session):
...
_tag_query_parameters = {
'tags': 'tags',
'any_tags': 'tags-any',
'not_tags': 'not-tags',
'not_any_tags': 'not-tags-any',
}
#: A list of associated tags
#: *Type: list of tag strings*
tags = resource.Body('tags', type=list, default=[])
def fetch_tags(self, session):
"""Lists tags set on the entity.
:param session: The session to use for making this request.
:return: The list with tags attached to the entity
"""
url = utils.urljoin(self.base_path, self.id, 'tags')
session = self._get_session(session)
response = session.get(url)
exceptions.raise_from_response(response)
# NOTE(gtema): since this is a common method
# we can't rely on the resource_key, because tags are returned
# without resource_key. Do parse response here
json = response.json()
if 'tags' in json:
self._body.attributes.update({'tags': json['tags']})
return self
def set_tags(self, session, tags=[]):
"""Sets/Replaces all tags on the resource.
:param session: The session to use for making this request.
:param list tags: List with tags to be set on the resource
"""
url = utils.urljoin(self.base_path, self.id, 'tags')
session = self._get_session(session)
response = session.put(url, json={'tags': tags})
exceptions.raise_from_response(response)
self._body.attributes.update({'tags': tags})
return self
def remove_all_tags(self, session):
"""Removes all tags on the entity.
:param session: The session to use for making this request.
"""
url = utils.urljoin(self.base_path, self.id, 'tags')
session = self._get_session(session)
response = session.delete(url)
exceptions.raise_from_response(response)
self._body.attributes.update({'tags': []})
return self
def check_tag(self, session, tag):
"""Checks if tag exists on the entity.
If the tag does not exist a 404 will be returned
:param session: The session to use for making this request.
:param tag: The tag as a string.
"""
url = utils.urljoin(self.base_path, self.id, 'tags', tag)
session = self._get_session(session)
response = session.get(url)
exceptions.raise_from_response(
response, error_message='Tag does not exist'
)
return self
def add_tag(self, session, tag):
"""Adds a single tag to the resource.
:param session: The session to use for making this request.
:param tag: The tag as a string.
"""
url = utils.urljoin(self.base_path, self.id, 'tags', tag)
session = self._get_session(session)
response = session.put(url)
exceptions.raise_from_response(response)
# we do not want to update tags directly
tags = self.tags
tags.append(tag)
self._body.attributes.update({'tags': tags})
return self
def remove_tag(self, session, tag):
"""Removes a single tag from the specified resource.
:param session: The session to use for making this request.
:param tag: The tag as a string.
"""
url = utils.urljoin(self.base_path, self.id, 'tags', tag)
session = self._get_session(session)
response = session.delete(url)
exceptions.raise_from_response(response)
# we do not want to update tags directly
tags = self.tags
try:
# NOTE(gtema): if tags were not fetched, but request suceeded
# it is ok. Just ensure tag does not exist locally
tags.remove(tag)
except ValueError:
pass # do nothing!
self._body.attributes.update({'tags': tags})
return self