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* 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
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package org.apache.provisionr.amazon.activities;
import com.amazonaws.services.ec2.AmazonEC2;
import com.amazonaws.services.ec2.model.DescribeSpotInstanceRequestsRequest;
import com.amazonaws.services.ec2.model.DescribeSpotInstanceRequestsResult;
import com.amazonaws.services.ec2.model.SpotInstanceRequest;
import java.util.ArrayList;
import java.util.List;
import org.activiti.engine.delegate.DelegateExecution;
import org.apache.provisionr.amazon.ProcessVariables;
import org.apache.provisionr.amazon.core.ProviderClientCache;
import org.apache.provisionr.api.pool.Pool;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class GetInstanceIdsFromSpotRequests extends AmazonActivity {
private static final Logger LOG = LoggerFactory.getLogger(GetInstanceIdsFromSpotRequests.class);
public GetInstanceIdsFromSpotRequests(ProviderClientCache providerClientCache) {
super(providerClientCache);
}
@Override
public void execute(AmazonEC2 client, Pool pool, DelegateExecution execution) throws Exception {
LOG.info(">> retrieving instance Ids from spot request Ids");
@SuppressWarnings("unchecked")
List<String> requestIds =
(List<String>) execution.getVariable(ProcessVariables.SPOT_INSTANCE_REQUEST_IDS);
DescribeSpotInstanceRequestsResult result = client.describeSpotInstanceRequests(
new DescribeSpotInstanceRequestsRequest().withSpotInstanceRequestIds(requestIds));
List<String> instanceIds = new ArrayList<String>();
for (SpotInstanceRequest spotRequest : result.getSpotInstanceRequests()) {
if (spotRequest.getInstanceId() != null) {
instanceIds.add(spotRequest.getInstanceId());
}
}
execution.setVariable(ProcessVariables.INSTANCE_IDS, instanceIds);
}
}