--- /dev/null
+# Copyright 2019 Nokia
+
+# 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.
+
+import logging
+import urllib
+import urlparse
+import routes
+
+from cmframework.server.cmhttperrors import CMHTTPErrors
+from cmframework.apis import cmerror
+from cmframework.server import cmhttprpc
+
+
+class CMWSGIHandler(object):
+ def __init__(self, rest_api_factory):
+ logging.debug('CMWSGIHandler constructor called')
+ self.mapper = routes.Mapper()
+ self.mapper.connect(None, '/cm/apis', action='get_apis')
+ self.mapper.connect(None, '/cm/{api}/properties', action='handle_properties')
+ self.mapper.connect(None, '/cm/{api}/properties/{property}', action='handle_property')
+ self.mapper.connect(None, '/cm/{api}/snapshots', action='handle_snapshots')
+ self.mapper.connect(None, '/cm/{api}/snapshots/{snapshot}', action='handle_snapshot')
+ self.mapper.connect(None, '/cm/{api}/activator/enable', action='handle_activator_enable')
+ self.mapper.connect(None, '/cm/{api}/activator/disable', action='handle_activator_disable')
+ self.mapper.connect(None, '/cm/{api}/activator/agent/{node}',
+ action='handle_agent_activate')
+ self.mapper.connect(None, '/cm/{api}/activator/{node}', action='handle_activate')
+ self.mapper.connect(None, '/cm/{api}/activator', action='handle_activate')
+ self.mapper.connect(None, '/cm/{api}/reboot', action='handle_reboot')
+ self.mapper.connect(None, '/cm/{api}/changes', action='handle_changes')
+ self.rest_api_factory = rest_api_factory
+
+ def __call__(self, environ, start_response):
+ logging.debug('Handling request started, environ=%s', str(environ))
+ # for debug, print environment
+ # pprint.pprint(environ)
+
+ # For request and resonse data
+ rpc = cmhttprpc.HTTPRPC()
+ rpc.rep_status = CMHTTPErrors.get_ok_status()
+
+ # get the interesting fields
+ rpc.req_method = environ['REQUEST_METHOD']
+ path = environ['PATH_INFO']
+ try:
+ rpc.req_filter = urlparse.parse_qs(urllib.unquote(environ['QUERY_STRING']))
+ except KeyError as exp:
+ rpc.req_filter = {}
+ content_type = environ['CONTENT_TYPE']
+ try:
+ content_size = environ['CONTENT_LENGTH']
+ except KeyError:
+ content_size = None
+
+ try:
+ # get the action to be done
+ action = ''
+ actions, _ = self.mapper.routematch(path)
+ if actions and isinstance(actions, dict):
+ action = actions.get('action', '')
+ for key, value in actions.iteritems():
+ if key != 'action':
+ rpc.req_params[key] = value
+ else:
+ rpc.rep_status = CMHTTPErrors.get_resource_not_found_status()
+ raise cmerror.CMError('The requested url is not found')
+
+ # get the body if available
+ if content_size and int(content_size):
+ size = int(content_size)
+ if content_type == 'application/json':
+ totalread = 0
+ while totalread < size:
+ data = environ['wsgi.input'].read()
+ totalread += len(data)
+ rpc.req_body += data
+ else:
+ rpc.rep_status = CMHTTPErrors.get_unsupported_content_type_status()
+ raise cmerror.CMError('Only json content is supported')
+
+ # check the action
+ try:
+ logging.info('Calling %s with rpc=%s', action, str(rpc))
+ actionfunc = getattr(self, action)
+ actionfunc(rpc)
+ except AttributeError as attrerror:
+ rpc.reply_status = CMHTTPErrors.get_resource_not_found_status()
+ raise cmerror.CMError('Action %s not found, error: %s' % (action, str(attrerror)))
+
+ except cmerror.CMError as exp:
+ rpc.rep_status = CMHTTPErrors.get_internal_error_status()
+ rpc.rep_status += ','
+ rpc.rep_status += str(exp)
+ except Exception as exp: # pylint: disable=broad-except
+ rpc.rep_status = CMHTTPErrors.get_internal_error_status()
+ rpc.rep_status += ','
+ rpc.rep_status += str(exp)
+ finally:
+ logging.info('Replying with rpc=%s', str(rpc))
+ response_headers = [('Content-type', 'application/json')]
+ start_response(rpc.rep_status, response_headers)
+ yield rpc.rep_body
+
+ def get_apis(self, rpc):
+ logging.debug('get_apis called')
+ if rpc.req_method != 'GET':
+ rpc.rep_status = CMHTTPErrors.get_request_not_ok_status()
+ rpc.rep_status += ', only GET operation is possible'
+ else:
+ self.rest_api_factory.get_apis(rpc)
+
+ def handle_properties(self, rpc):
+ logging.debug('handle_properties called')
+ api = self._get_api(rpc)
+ if api:
+ api.handle_properties(rpc)
+
+ def handle_property(self, rpc):
+ logging.debug('handle_property called')
+ api = self._get_api(rpc)
+ if api:
+ api.handle_property(rpc)
+
+ def handle_snapshots(self, rpc):
+ logging.debug('handle_snapshots called')
+ api = self._get_api(rpc)
+ if api:
+ api.handle_snapshots(rpc)
+
+ def handle_snapshot(self, rpc):
+ logging.debug('handle_snapshot called')
+ api = self._get_api(rpc)
+ if api:
+ api.handle_snapshot(rpc)
+
+ def handle_agent_activate(self, rpc):
+ logging.debug('handle_agent_activate called')
+ api = self._get_api(rpc)
+ if api:
+ api.handle_agent_activate(rpc)
+
+ def handle_activate(self, rpc):
+ logging.debug('handle_activate called')
+ api = self._get_api(rpc)
+ if api:
+ api.handle_activate(rpc)
+
+ def handle_activator_disable(self, rpc):
+ logging.debug('handle_activator_disable called')
+ api = self._get_api(rpc)
+ if api:
+ api.handle_activator_disable(rpc)
+
+ def handle_activator_enable(self, rpc):
+ logging.debug('handle_activator_enable called')
+ api = self._get_api(rpc)
+ if api:
+ api.handle_activator_enable(rpc)
+
+ def handle_reboot(self, rpc):
+ logging.debug('handle_reboot called')
+ api = self._get_api(rpc)
+ if api:
+ api.handle_reboot(rpc)
+
+ def handle_changes(self, rpc):
+ logging.debug('handle_changes called')
+ api = self._get_api(rpc)
+ if api:
+ api.handle_changes(rpc)
+
+ def _get_api(self, rpc):
+ logging.debug('_get_api called')
+ api = None
+ try:
+ version = rpc.req_params['api']
+ api = self.rest_api_factory.get_api(version)
+ if not api:
+ rpc.rep_status = CMHTTPErrors.get_resource_not_found_status()
+ except KeyError:
+ rpc.rep_status = CMHTTPErrors.get_request_not_ok_status()
+ return api