/*
* 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.jclouds.aws.ec2.compute.strategy;
import static com.google.common.base.Preconditions.checkNotNull;
import static com.google.common.collect.Iterables.getOnlyElement;
import javax.inject.Inject;
import javax.inject.Singleton;
import org.jclouds.aws.ec2.AWSEC2Client;
import org.jclouds.aws.ec2.domain.SpotInstanceRequest;
import org.jclouds.aws.ec2.functions.SpotInstanceRequestToAWSRunningInstance;
import org.jclouds.compute.domain.NodeMetadata;
import org.jclouds.ec2.compute.strategy.EC2GetNodeMetadataStrategy;
import org.jclouds.ec2.domain.RunningInstance;
import com.google.common.base.Function;
/**
*
* @author Adrian Cole
*/
@Singleton
public class AWSEC2GetNodeMetadataStrategy extends EC2GetNodeMetadataStrategy {
private final AWSEC2Client client;
private final SpotInstanceRequestToAWSRunningInstance spotConverter;
@Inject
protected AWSEC2GetNodeMetadataStrategy(AWSEC2Client client,
Function<RunningInstance, NodeMetadata> runningInstanceToNodeMetadata,
SpotInstanceRequestToAWSRunningInstance spotConverter) {
super(client, runningInstanceToNodeMetadata);
this.client = checkNotNull(client, "client");
this.spotConverter = checkNotNull(spotConverter, "spotConverter");
}
@Override
public RunningInstance getRunningInstanceInRegion(String region, String id) {
if (id.indexOf("sir-") != 0)
return super.getRunningInstanceInRegion(region, id);
SpotInstanceRequest spot = getOnlyElement(client.getSpotInstanceServices().describeSpotInstanceRequestsInRegion(
region, id));
if (spot.getState() == SpotInstanceRequest.State.ACTIVE)
return super.getRunningInstanceInRegion(region, spot.getInstanceId());
else
return spotConverter.apply(spot);
}
}