blob: cc09ebbf2f2f25d7c494c7862a7a8f1ced469a80 [file] [log] [blame]
#!/usr/bin/env python
#
# Copyright 2017 the original author or authors.
#
# 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 lxml import etree
import structlog
from netconf.nc_rpc.rpc import Rpc
import netconf.nc_common.error as ncerror
from twisted.internet.defer import inlineCallbacks, returnValue
log = structlog.get_logger()
class GetSchemas(Rpc):
def __init__(self, request, request_xml, grpc_client, session, capabilities):
super(GetSchemas, self).__init__(request, request_xml, grpc_client, session)
self._validate_parameters()
self.capabilities = capabilities
@inlineCallbacks
def execute(self):
if self.rpc_response.is_error:
returnValue(self.rpc_response)
log.info('get-schemas-request', session=self.session.session_id,
request=self.request)
# Get the schema definitions
schema_defs = self.capabilities.get_yang_schemas_definitions()
log.info('schema-defs', definitions=schema_defs)
# format the schemas in xml
top = etree.Element('yang')
for dict in schema_defs:
schema = etree.SubElement(top, 'schema')
node = etree.SubElement(schema, 'identifier')
node.text = dict['id']
node = etree.SubElement(schema, 'version')
node.text = dict['version']
node = etree.SubElement(schema, 'format')
node.text = dict['format']
node = etree.SubElement(schema, 'namespace')
node.text = dict['namespace']
node = etree.SubElement(schema, 'location')
node.text = dict['location']
# Build the yang response
self.rpc_response.node = yield self.rpc_response.build_xml_response(
self.request, top)
self.rpc_response.is_error = False
returnValue(self.rpc_response)
def _validate_parameters(self):
log.info('validate-parameters', session=self.session.session_id)
# Validate the GET command
if self.request:
try:
if self.request['command'] != 'get-schemas':
self.rpc_response.is_error = True
self.rpc_response.node = ncerror.BadMsg(self.request_xml)
return
if self.request.has_key('filter'):
if not self.request.has_key('class'):
self.rpc_response.is_error = True
self.rpc_response.node = ncerror.BadMsg(self.request_xml)
return
except Exception as e:
self.rpc_response.is_error = True
self.rpc_response.node = ncerror.BadMsg(self.request)
return