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# Copyright 2014 CERN
#
# 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.
#
"""Identity v3 federation mapping action implementations"""
import json
import six
from openstackclient.common import command
from openstackclient.common import exceptions
from openstackclient.common import utils
class _RulesReader(object):
"""Helper class capable of reading rules from files"""
def _read_rules(self, path):
"""Read and parse rules from path
Expect the file to contain a valid JSON structure.
:param path: path to the file
:return: loaded and valid dictionary with rules
:raises exception.CommandError: In case the file cannot be
accessed or the content is not a valid JSON.
Example of the content of the file:
[
{
"local": [
{
"group": {
"id": "85a868"
}
}
],
"remote": [
{
"type": "orgPersonType",
"any_one_of": [
"Employee"
]
},
{
"type": "sn",
"any_one_of": [
"Young"
]
}
]
}
]
"""
blob = utils.read_blob_file_contents(path)
try:
rules = json.loads(blob)
except ValueError as e:
raise exceptions.CommandError(
'An error occurred when reading '
'rules from file %s: %s' % (path, e))
else:
return rules
class CreateMapping(command.ShowOne, _RulesReader):
"""Create new mapping"""
def get_parser(self, prog_name):
parser = super(CreateMapping, self).get_parser(prog_name)
parser.add_argument(
'mapping',
metavar='<name>',
help='New mapping name (must be unique)',
)
parser.add_argument(
'--rules',
metavar='<filename>', required=True,
help='Filename that contains a set of mapping rules (required)',
)
return parser
def take_action(self, parsed_args):
identity_client = self.app.client_manager.identity
rules = self._read_rules(parsed_args.rules)
mapping = identity_client.federation.mappings.create(
mapping_id=parsed_args.mapping,
rules=rules)
mapping._info.pop('links', None)
return zip(*sorted(six.iteritems(mapping._info)))
class DeleteMapping(command.Command):
"""Delete mapping"""
def get_parser(self, prog_name):
parser = super(DeleteMapping, self).get_parser(prog_name)
parser.add_argument(
'mapping',
metavar='<mapping>',
help='Mapping to delete',
)
return parser
def take_action(self, parsed_args):
identity_client = self.app.client_manager.identity
identity_client.federation.mappings.delete(parsed_args.mapping)
class ListMapping(command.Lister):
"""List mappings"""
def take_action(self, parsed_args):
# NOTE(marek-denis): Since rules can be long and tedious I have decided
# to only list ids of the mappings. If somebody wants to check the
# rules, (s)he should show specific ones.
identity_client = self.app.client_manager.identity
data = identity_client.federation.mappings.list()
columns = ('ID',)
items = [utils.get_item_properties(s, columns) for s in data]
return (columns, items)
class SetMapping(command.Command, _RulesReader):
"""Set mapping properties"""
def get_parser(self, prog_name):
parser = super(SetMapping, self).get_parser(prog_name)
parser.add_argument(
'mapping',
metavar='<name>',
help='Mapping to modify',
)
parser.add_argument(
'--rules',
metavar='<filename>',
help='Filename that contains a new set of mapping rules',
)
return parser
def take_action(self, parsed_args):
identity_client = self.app.client_manager.identity
if not parsed_args.rules:
self.app.log.error("No changes requested")
return
rules = self._read_rules(parsed_args.rules)
mapping = identity_client.federation.mappings.update(
mapping=parsed_args.mapping,
rules=rules)
mapping._info.pop('links', None)
return zip(*sorted(six.iteritems(mapping._info)))
class ShowMapping(command.ShowOne):
"""Display mapping details"""
def get_parser(self, prog_name):
parser = super(ShowMapping, self).get_parser(prog_name)
parser.add_argument(
'mapping',
metavar='<mapping>',
help='Mapping to display',
)
return parser
def take_action(self, parsed_args):
identity_client = self.app.client_manager.identity
mapping = identity_client.federation.mappings.get(parsed_args.mapping)
mapping._info.pop('links', None)
return zip(*sorted(six.iteritems(mapping._info)))
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