def process(self, data):
if not self.been_greeted:
self.logger.info("Client's greeting received")
self.been_greeted = True
return
xml_request_root = remove_namespaces(etree.fromstring(data.encode()))
message_id = xml_request_root.get("message-id")
operation = xml_request_root[0]
self.logger.info("Operation requested %s" % repr(operation.tag))
handled = False
operation_name = normalize_operation_name(operation)
for capability in self.capabilities:
if hasattr(capability, operation_name):
try:
self.reply(message_id,
getattr(capability, operation_name)(operation))
except NetconfError as e:
self.reply(message_id, Response(e.to_etree()))
handled = True
if not handled:
self.reply(
message_id,
Response(OperationNotSupported(operation_name).to_etree()))
def get_config(self, request):
source = first(request.xpath("source"))
content = self.datastore.to_etree(resolve_source_name(source[0].tag))
filtering = first(request.xpath("filter"))
if filtering is not None:
filter_content(content, filtering)
return Response(content)
def get_interface_information(self, request):
if len(request) == 1 and request[0].tag == "terse":
return Response(self.datastore.get_interface_information_terse())
raise NetconfError("syntax error",
err_type="protocol",
tag="operation-failed")
def commit_results_error_to_response(commit_results_error):
return Response(
dict_2_etree({
'commit-results': [
error_to_rpcerror_dict(e)
for e in commit_results_error.netconf_errors
]
}))
def error_to_response(error):
error_specs = {"error-message": error.message}
if error.type: error_specs["error-type"] = error.type
if error.tag: error_specs["error-tag"] = error.tag
if error.severity: error_specs["error-severity"] = error.severity
if error.info: error_specs["error-info"] = error.info
return Response(dict_2_etree({"rpc-error": error_specs}))
def get_configuration(self, request):
if "compare" not in request.attrib:
raise OperationNotSupported("get_configuration without a compare")
running = self.datastore.to_etree(RUNNING)
candidate = self.datastore.to_etree(CANDIDATE)
data = etree.fromstring(textwrap.dedent("""
<configuration-information>
<configuration-output>
{0}</configuration-output>
</configuration-information>
""").format("There were some changes"
if not xml_equals(running, candidate) else ""),
parser=etree.XMLParser(recover=True))
return Response(data)
def get_configuration(self, request):
if "compare" not in request.attrib:
raise OperationNotSupported("get_configuration without a compare")
running = self.datastore.to_etree(RUNNING)
candidate = self.datastore.to_etree(CANDIDATE)
# NOTE(lindycoder): Not actually computing the diff, not needed so far, just show that there's a change
data_string = textwrap.dedent("""
<configuration-information>
<configuration-output>{0}</configuration-output>
</configuration-information>
""").format("There were some changes"
if not xml_equals(running, candidate) else "")
data = etree.fromstring(data_string,
parser=etree.XMLParser(recover=True))
return Response(data)
def commit(self, *args, **kwargs):
self.datastore.commit_candidate()
self.datastore.configurations.get('candidate').commit()
return Response(etree.Element("ok"))
def edit_config(self, request):
target = first(request.xpath("target"))
config = first(request.xpath("config"))
self.datastore.edit(resolve_source_name(target[0].tag), config[0])
return Response(etree.Element("ok"))
def discard_changes(self, _):
self.datastore.reset()
return Response(etree.Element("ok"))
def load_configuration(self, request):
return Response(etree.Element("ok"), require_disconnect=False)
def unlock(self, request):
target = first(request.xpath("target"))
self.datastore.unlock(resolve_source_name(target[0].tag))
return Response(etree.Element("ok"))
def close_session(self, _):
return Response(etree.Element("ok"), require_disconnect=True)
def errors_to_response(errors):
return Response(
[dict_2_etree(error_to_rpcerror_dict(error)) for error in errors])
def error_to_response(error):
return Response(dict_2_etree(error_to_rpcerror_dict(error)))
def commit(self, _):
self.datastore.commit_candidate()
return Response(etree.Element("ok"))