157 lines
5.9 KiB
Python
157 lines
5.9 KiB
Python
# flake8: noqa
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# Copyright (c) <2011>, Jonathan LaCour
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are met:
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#
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# * Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# * Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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# * Neither the name of the <organization> nor the
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# names of its contributors may be used to endorse or promote products
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# derived from this software without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
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# DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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# ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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import inspect
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import pecan
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import pecan.rest
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import pecan.routing
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from designate import exceptions
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from designate.central import rpcapi as central_rpcapi
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from designate.pool_manager import rpcapi as pool_mgr_rpcapi
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class RestController(pecan.rest.RestController):
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"""
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Extension for Pecan's RestController to better handle POST/PUT/PATCH
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requests.
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Ideally, we get these additions merged upstream.
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"""
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# default sort_keys. The Controllers can override this.
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SORT_KEYS = ['created_at', 'id']
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@property
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def central_api(self):
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return central_rpcapi.CentralAPI.get_instance()
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@property
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def pool_mgr_api(self):
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return pool_mgr_rpcapi.PoolManagerAPI.get_instance()
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def _apply_filter_params(self, params, accepted_filters, criterion):
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invalid = []
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for k in params:
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if k in accepted_filters:
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criterion[k] = params[k].replace("*", "%")
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else:
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invalid.append(k)
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if invalid:
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raise exceptions.BadRequest(
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'Invalid filters %s' % ', '.join(invalid))
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else:
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return criterion
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def _handle_post(self, method, remainder):
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'''
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Routes ``POST`` actions to the appropriate controller.
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'''
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# route to a post_all or get if no additional parts are available
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if not remainder or remainder == ['']:
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controller = self._find_controller('post_all', 'post')
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if controller:
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return controller, []
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pecan.abort(405)
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controller = getattr(self, remainder[0], None)
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if controller and not inspect.ismethod(controller):
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return pecan.routing.lookup_controller(controller, remainder[1:])
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# finally, check for the regular post_one/post requests
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controller = self._find_controller('post_one', 'post')
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if controller:
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return controller, remainder
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pecan.abort(405)
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def _handle_patch(self, method, remainder):
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'''
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Routes ``PATCH`` actions to the appropriate controller.
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'''
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# route to a patch_all or get if no additional parts are available
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if not remainder or remainder == ['']:
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controller = self._find_controller('patch_all', 'patch')
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if controller:
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return controller, []
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pecan.abort(405)
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controller = getattr(self, remainder[0], None)
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if controller and not inspect.ismethod(controller):
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return pecan.routing.lookup_controller(controller, remainder[1:])
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# finally, check for the regular patch_one/patch requests
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controller = self._find_controller('patch_one', 'patch')
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if controller:
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return controller, remainder
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pecan.abort(405)
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def _handle_put(self, method, remainder):
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'''
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Routes ``PUT`` actions to the appropriate controller.
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'''
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# route to a put_all or get if no additional parts are available
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if not remainder or remainder == ['']:
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controller = self._find_controller('put_all', 'put')
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if controller:
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return controller, []
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pecan.abort(405)
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controller = getattr(self, remainder[0], None)
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if controller and not inspect.ismethod(controller):
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return pecan.routing.lookup_controller(controller, remainder[1:])
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# finally, check for the regular put_one/put requests
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controller = self._find_controller('put_one', 'put')
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if controller:
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return controller, remainder
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pecan.abort(405)
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def _handle_delete(self, method, remainder):
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'''
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Routes ``DELETE`` actions to the appropriate controller.
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'''
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# route to a delete_all or get if no additional parts are available
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if not remainder or remainder == ['']:
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controller = self._find_controller('delete_all', 'delete')
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if controller:
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return controller, []
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pecan.abort(405)
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controller = getattr(self, remainder[0], None)
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if controller and not inspect.ismethod(controller):
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return pecan.routing.lookup_controller(controller, remainder[1:])
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# finally, check for the regular delete_one/delete requests
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controller = self._find_controller('delete_one', 'delete')
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if controller:
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return controller, remainder
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pecan.abort(405)
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