/**
* 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.nova.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.nova.NovaConstants;
import org.apache.camel.component.openstack.nova.NovaEndpoint;
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.compute.Flavor;
import org.openstack4j.model.compute.builder.FlavorBuilder;
public class FlavorsProducer extends AbstractOpenstackProducer {
public FlavorsProducer(NovaEndpoint 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 Flavor in = messageToFlavor(exchange.getIn());
final Flavor out = os.compute().flavors().create(in);
exchange.getIn().setBody(out);
}
private void doGet(Exchange exchange) {
final Message msg = exchange.getIn();
final String flavorId = msg.getHeader(OpenstackConstants.ID, msg.getHeader(NovaConstants.FLAVOR_ID, String.class), String.class);
ObjectHelper.notEmpty(flavorId, "FlavorID");
final Flavor out = os.compute().flavors().get(flavorId);
exchange.getIn().setBody(out);
}
private void doGetAll(Exchange exchange) {
final List<? extends Flavor> out = os.compute().flavors().list();
exchange.getIn().setBody(out);
}
private void doDelete(Exchange exchange) {
final Message msg = exchange.getIn();
final String flavorId = msg.getHeader(OpenstackConstants.ID, msg.getHeader(NovaConstants.FLAVOR_ID, String.class), String.class);
ObjectHelper.notEmpty(flavorId, "FlavorID");
final ActionResponse response = os.compute().flavors().delete(flavorId);
checkFailure(response, msg, "Delete flavor");
}
private org.openstack4j.model.compute.Flavor messageToFlavor(Message message) {
Flavor flavor = message.getBody(Flavor.class);
if (flavor == null) {
Map headers = message.getHeaders();
FlavorBuilder flavorBuilder = Builders.flavor();
ObjectHelper.notEmpty(message.getHeader(OpenstackConstants.NAME, String.class), "Name");
flavorBuilder.name(message.getHeader(OpenstackConstants.NAME, String.class));
if (headers.containsKey(NovaConstants.VCPU)) {
flavorBuilder.vcpus(message.getHeader(NovaConstants.VCPU, Integer.class));
}
if (headers.containsKey(NovaConstants.RAM)) {
flavorBuilder.ram(message.getHeader(NovaConstants.RAM, Integer.class));
}
if (headers.containsKey(NovaConstants.DISK)) {
flavorBuilder.disk(message.getHeader(NovaConstants.DISK, Integer.class));
}
if (headers.containsKey(NovaConstants.SWAP)) {
flavorBuilder.swap(message.getHeader(NovaConstants.SWAP, Integer.class));
}
if (headers.containsKey(NovaConstants.RXTXFACTOR)) {
flavorBuilder.rxtxFactor(message.getHeader(NovaConstants.RXTXFACTOR, Integer.class));
}
flavor = flavorBuilder.build();
}
return flavor;
}
}