/**
* Copyright 2013, Big Switch Networks, Inc.
*
* 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.
**/
package net.floodlightcontroller.core.web;
import org.restlet.data.Status;
import org.restlet.resource.ServerResource;
import net.floodlightcontroller.core.IFloodlightProviderService;
import net.floodlightcontroller.core.RoleInfo;
import net.floodlightcontroller.core.IFloodlightProviderService.Role;
import net.floodlightcontroller.core.annotations.LogMessageDoc;
import org.restlet.resource.Get;
import org.restlet.resource.Post;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class ControllerRoleResource extends ServerResource {
protected static Logger log = LoggerFactory.getLogger(ControllerRoleResource.class);
@Get("json")
public RoleInfo getRole() {
IFloodlightProviderService floodlightProvider =
(IFloodlightProviderService)getContext().getAttributes().
get(IFloodlightProviderService.class.getCanonicalName());
return floodlightProvider.getRoleInfo();
}
@Post("json")
@LogMessageDoc(level="WARN",
message="Invalid role value specified in REST API to " +
"set controller role",
explanation="An HA role change request was malformed.",
recommendation=LogMessageDoc.CHECK_CONTROLLER)
public void setRole(RoleInfo roleInfo) {
//Role role = Role.lookupRole(roleInfo.getRole());
Role role = null;
try {
role = Role.valueOf(roleInfo.getRole().toUpperCase());
}
catch (IllegalArgumentException e) {
// The role value in the REST call didn't match a valid
// role name, so just leave the role as null and handle
// the error below.
}
if (role == null) {
log.warn ("Invalid role value specified in REST API to " +
"set controller role");
setStatus(Status.CLIENT_ERROR_BAD_REQUEST, "Invalid role value");
return;
}
String roleChangeDescription = roleInfo.getRoleChangeDescription();
if (roleChangeDescription == null)
roleChangeDescription = "<none>";
IFloodlightProviderService floodlightProvider =
(IFloodlightProviderService)getContext().getAttributes().
get(IFloodlightProviderService.class.getCanonicalName());
floodlightProvider.setRole(role, roleChangeDescription);
}
}