/*
* 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.
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package org.jclouds.rackspace.cloudloadbalancers.v1.loadbalancer.strategy;
import static com.google.common.base.Preconditions.checkNotNull;
import javax.annotation.Resource;
import javax.inject.Inject;
import javax.inject.Named;
import javax.inject.Singleton;
import org.jclouds.compute.domain.NodeMetadata;
import org.jclouds.domain.Location;
import org.jclouds.loadbalancer.domain.LoadBalancerMetadata;
import org.jclouds.loadbalancer.reference.LoadBalancerConstants;
import org.jclouds.loadbalancer.strategy.GetLoadBalancerMetadataStrategy;
import org.jclouds.loadbalancer.strategy.LoadBalanceNodesStrategy;
import org.jclouds.logging.Logger;
import org.jclouds.rackspace.cloudloadbalancers.v1.CloudLoadBalancersApi;
import org.jclouds.rackspace.cloudloadbalancers.v1.domain.LoadBalancer;
import org.jclouds.rackspace.cloudloadbalancers.v1.domain.CreateLoadBalancer;
import org.jclouds.rackspace.cloudloadbalancers.v1.domain.AddNode;
import org.jclouds.rackspace.cloudloadbalancers.v1.domain.VirtualIP.Type;
import com.google.common.base.Function;
import com.google.common.collect.Iterables;
@Singleton
public class CloudLoadBalancersLoadBalanceNodesStrategy implements LoadBalanceNodesStrategy {
@Resource
@Named(LoadBalancerConstants.LOADBALANCER_LOGGER)
protected Logger logger = Logger.NULL;
protected final CloudLoadBalancersApi client;
protected final GetLoadBalancerMetadataStrategy getLB;
@Inject
protected CloudLoadBalancersLoadBalanceNodesStrategy(CloudLoadBalancersApi client,
GetLoadBalancerMetadataStrategy getLB) {
this.client = checkNotNull(client, "client");
this.getLB = checkNotNull(getLB, "getLB");
}
@Override
public LoadBalancerMetadata createLoadBalancerInLocation(Location location, String name, String protocol,
int loadBalancerPort, final int instancePort, Iterable<? extends NodeMetadata> nodes) {
String region = checkNotNull(location, "location").getId();
// TODO need to query and update the LB per current design.
LoadBalancer lb = client.getLoadBalancerApiForZone(region).create(
CreateLoadBalancer.builder().name(name).protocol(protocol.toUpperCase()).port(loadBalancerPort)
.virtualIPType(Type.PUBLIC).nodes(
Iterables.transform(nodes, new Function<NodeMetadata, AddNode>() {
@Override
public AddNode apply(NodeMetadata arg0) {
return AddNode.builder().address(
Iterables.get(arg0.getPrivateAddresses(), 0)).port(instancePort)
.build();
}
})).build());
return getLB.getLoadBalancer(region + "/" + lb.getId());
}
}