/**
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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 org.apache.camel.component.openstack.neutron.producer;
import java.util.List;
import java.util.Map;
import org.apache.camel.Exchange;
import org.apache.camel.Message;
import org.apache.camel.component.openstack.common.AbstractOpenstackProducer;
import org.apache.camel.component.openstack.common.OpenstackConstants;
import org.apache.camel.component.openstack.neutron.NeutronConstants;
import org.apache.camel.component.openstack.neutron.NeutronEndpoint;
import org.apache.camel.util.ObjectHelper;
import org.openstack4j.api.Builders;
import org.openstack4j.api.OSClient;
import org.openstack4j.model.common.ActionResponse;
import org.openstack4j.model.network.IPVersionType;
import org.openstack4j.model.network.Subnet;
import org.openstack4j.model.network.builder.SubnetBuilder;
import org.openstack4j.openstack.networking.domain.NeutronPool;
public class SubnetProducer extends AbstractOpenstackProducer {
public SubnetProducer(NeutronEndpoint endpoint, OSClient client) {
super(endpoint, client);
}
@Override
public void process(Exchange exchange) throws Exception {
final String operation = getOperation(exchange);
switch (operation) {
case OpenstackConstants.CREATE:
doCreate(exchange);
break;
case OpenstackConstants.GET:
doGet(exchange);
break;
case OpenstackConstants.GET_ALL:
doGetAll(exchange);
break;
case OpenstackConstants.DELETE:
doDelete(exchange);
break;
default:
throw new IllegalArgumentException("Unsupported operation " + operation);
}
}
private void doCreate(Exchange exchange) {
final Subnet in = messageToSubnet(exchange.getIn());
final Subnet out = os.networking().subnet().create(in);
exchange.getIn().setBody(out);
}
private void doGet(Exchange exchange) {
final Message msg = exchange.getIn();
final String id = msg.getHeader(OpenstackConstants.ID, msg.getHeader(NeutronConstants.SUBNET_ID, String.class), String.class);
ObjectHelper.notEmpty(id, "Subnet ID");
final Subnet out = os.networking().subnet().get(id);
exchange.getIn().setBody(out);
}
private void doGetAll(Exchange exchange) {
final List<? extends Subnet> out = os.networking().subnet().list();
exchange.getIn().setBody(out);
}
private void doDelete(Exchange exchange) {
final Message msg = exchange.getIn();
final String id = msg.getHeader(OpenstackConstants.ID, msg.getHeader(NeutronConstants.SUBNET_ID, String.class), String.class);
ObjectHelper.notEmpty(id, "Subnet ID");
final ActionResponse response = os.networking().subnet().delete(id);
checkFailure(response, msg, "Delete network " + id);
}
private Subnet messageToSubnet(Message message) {
Subnet subnet = message.getBody(Subnet.class);
if (subnet == null) {
Map headers = message.getHeaders();
SubnetBuilder builder = Builders.subnet();
ObjectHelper.notEmpty(message.getHeader(OpenstackConstants.NAME, String.class), "Name");
builder.name(message.getHeader(OpenstackConstants.NAME, String.class));
ObjectHelper.notEmpty(message.getHeader(NeutronConstants.NETWORK_ID, String.class), "Network ID");
builder.networkId(message.getHeader(NeutronConstants.NETWORK_ID, String.class));
ObjectHelper.notNull(message.getHeader(NeutronConstants.IP_VERSION, IPVersionType.class), "IP version");
builder.ipVersion(message.getHeader(NeutronConstants.IP_VERSION, IPVersionType.class));
if (headers.containsKey(NeutronConstants.CIDR)) {
builder.cidr(message.getHeader(NeutronConstants.CIDR, String.class));
}
if (headers.containsKey(NeutronConstants.SUBNET_POOL)) {
final NeutronPool pool = message.getHeader(NeutronConstants.SUBNET_POOL, NeutronPool.class);
builder.addPool(pool.getStart(), pool.getEnd());
}
if (headers.containsKey(NeutronConstants.NETWORK_ID)) {
builder.networkId(message.getHeader(NeutronConstants.NETWORK_ID, String.class));
}
if (headers.containsKey(NeutronConstants.ENABLE_DHCP)) {
builder.enableDHCP(message.getHeader(NeutronConstants.ENABLE_DHCP, Boolean.class));
}
if (headers.containsKey(NeutronConstants.GATEWAY)) {
builder.gateway(message.getHeader(NeutronConstants.GATEWAY, String.class));
}
subnet = builder.build();
}
return subnet;
}
}