/**
* Licensed to jclouds, Inc. (jclouds) under one or more
* contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. jclouds 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;
import static com.google.common.base.Preconditions.checkNotNull;
import static com.google.common.base.Preconditions.checkState;
import static com.google.common.base.Strings.emptyToNull;
import static org.jclouds.compute.config.ComputeServiceProperties.TIMEOUT_NODE_RUNNING;
import static org.jclouds.compute.config.ComputeServiceProperties.TIMEOUT_NODE_SUSPENDED;
import static org.jclouds.compute.config.ComputeServiceProperties.TIMEOUT_NODE_TERMINATED;
import static org.jclouds.ec2.reference.EC2Constants.PROPERTY_EC2_GENERATE_INSTANCE_NAMES;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.ConcurrentMap;
import java.util.concurrent.atomic.AtomicReference;
import javax.inject.Inject;
import javax.inject.Named;
import javax.inject.Provider;
import javax.inject.Singleton;
import org.jclouds.Constants;
import org.jclouds.aws.ec2.AWSEC2Client;
import org.jclouds.aws.ec2.domain.PlacementGroup;
import org.jclouds.aws.ec2.domain.PlacementGroup.State;
import org.jclouds.collect.Memoized;
import org.jclouds.compute.ComputeServiceContext;
import org.jclouds.compute.callables.RunScriptOnNode;
import org.jclouds.compute.domain.Hardware;
import org.jclouds.compute.domain.Image;
import org.jclouds.compute.domain.NodeMetadata;
import org.jclouds.compute.domain.TemplateBuilder;
import org.jclouds.compute.extensions.ImageExtension;
import org.jclouds.compute.functions.GroupNamingConvention;
import org.jclouds.compute.internal.PersistNodeCredentials;
import org.jclouds.compute.options.TemplateOptions;
import org.jclouds.compute.reference.ComputeServiceConstants.Timeouts;
import org.jclouds.compute.strategy.CreateNodesInGroupThenAddToSet;
import org.jclouds.compute.strategy.DestroyNodeStrategy;
import org.jclouds.compute.strategy.GetImageStrategy;
import org.jclouds.compute.strategy.GetNodeMetadataStrategy;
import org.jclouds.compute.strategy.InitializeRunScriptOnNodeOrPlaceInBadMap;
import org.jclouds.compute.strategy.ListNodesStrategy;
import org.jclouds.compute.strategy.RebootNodeStrategy;
import org.jclouds.compute.strategy.ResumeNodeStrategy;
import org.jclouds.compute.strategy.SuspendNodeStrategy;
import org.jclouds.domain.Credentials;
import org.jclouds.domain.Location;
import org.jclouds.ec2.compute.EC2ComputeService;
import org.jclouds.ec2.compute.domain.RegionAndName;
import org.jclouds.ec2.domain.KeyPair;
import org.jclouds.scriptbuilder.functions.InitAdminAccess;
import com.google.common.annotations.VisibleForTesting;
import com.google.common.base.Optional;
import com.google.common.base.Predicate;
import com.google.common.base.Supplier;
import com.google.common.cache.LoadingCache;
import com.google.common.util.concurrent.ListeningExecutorService;
/**
* @author Adrian Cole
*/
@Singleton
public class AWSEC2ComputeService extends EC2ComputeService {
private final LoadingCache<RegionAndName, String> placementGroupMap;
private final Predicate<PlacementGroup> placementGroupDeleted;
private final AWSEC2Client client;
@Inject
protected AWSEC2ComputeService(ComputeServiceContext context, Map<String, Credentials> credentialStore,
@Memoized Supplier<Set<? extends Image>> images, @Memoized Supplier<Set<? extends Hardware>> sizes,
@Memoized Supplier<Set<? extends Location>> locations, ListNodesStrategy listNodesStrategy,
GetImageStrategy getImageStrategy, GetNodeMetadataStrategy getNodeMetadataStrategy,
CreateNodesInGroupThenAddToSet runNodesAndAddToSetStrategy, RebootNodeStrategy rebootNodeStrategy,
DestroyNodeStrategy destroyNodeStrategy, ResumeNodeStrategy startNodeStrategy,
SuspendNodeStrategy stopNodeStrategy, Provider<TemplateBuilder> templateBuilderProvider,
@Named("DEFAULT") Provider<TemplateOptions> templateOptionsProvider,
@Named(TIMEOUT_NODE_RUNNING) Predicate<AtomicReference<NodeMetadata>> nodeRunning,
@Named(TIMEOUT_NODE_TERMINATED) Predicate<AtomicReference<NodeMetadata>> nodeTerminated,
@Named(TIMEOUT_NODE_SUSPENDED) Predicate<AtomicReference<NodeMetadata>> nodeSuspended,
InitializeRunScriptOnNodeOrPlaceInBadMap.Factory initScriptRunnerFactory,
RunScriptOnNode.Factory runScriptOnNodeFactory, InitAdminAccess initAdminAccess,
PersistNodeCredentials persistNodeCredentials, Timeouts timeouts,
@Named(Constants.PROPERTY_USER_THREADS) ListeningExecutorService userExecutor, AWSEC2Client client,
ConcurrentMap<RegionAndName, KeyPair> credentialsMap,
@Named("SECURITY") LoadingCache<RegionAndName, String> securityGroupMap,
@Named("PLACEMENT") LoadingCache<RegionAndName, String> placementGroupMap,
@Named("DELETED") Predicate<PlacementGroup> placementGroupDeleted, Optional<ImageExtension> imageExtension,
GroupNamingConvention.Factory namingConvention,
@Named(PROPERTY_EC2_GENERATE_INSTANCE_NAMES) boolean generateInstanceNames) {
super(context, credentialStore, images, sizes, locations, listNodesStrategy, getImageStrategy,
getNodeMetadataStrategy, runNodesAndAddToSetStrategy, rebootNodeStrategy, destroyNodeStrategy,
startNodeStrategy, stopNodeStrategy, templateBuilderProvider, templateOptionsProvider, nodeRunning,
nodeTerminated, nodeSuspended, initScriptRunnerFactory, runScriptOnNodeFactory, initAdminAccess,
persistNodeCredentials, timeouts, userExecutor, client, credentialsMap, securityGroupMap, imageExtension,
namingConvention, generateInstanceNames);
this.client = client;
this.placementGroupMap = placementGroupMap;
this.placementGroupDeleted = placementGroupDeleted;
}
@VisibleForTesting
void deletePlacementGroup(String region, String group) {
checkNotNull(emptyToNull(group), "group must be defined");
// placementGroupName must be unique within an account per
// http://docs.amazonwebservices.com/AWSEC2/latest/UserGuide/index.html?using_cluster_computing.html
String placementGroup = String.format("jclouds#%s#%s", group, region);
try {
if (client.getPlacementGroupServices().describePlacementGroupsInRegion(region, placementGroup).size() > 0) {
logger.debug(">> deleting placementGroup(%s)", placementGroup);
try {
client.getPlacementGroupServices().deletePlacementGroupInRegion(region, placementGroup);
checkState(placementGroupDeleted.apply(new PlacementGroup(region, placementGroup, "cluster",
State.PENDING)), String.format("placementGroup region(%s) name(%s) failed to delete", region,
placementGroup));
placementGroupMap.invalidate(new RegionAndName(region, placementGroup));
logger.debug("<< deleted placementGroup(%s)", placementGroup);
} catch (IllegalStateException e) {
logger.debug("<< inUse placementGroup(%s)", placementGroup);
}
}
} catch (UnsupportedOperationException e) {
logger.trace("<< placementGroups unsupported in region %s", region);
}
}
@Override
protected void cleanUpIncidentalResources(String region, String group) {
super.cleanUpIncidentalResources(region, group);
deletePlacementGroup(region, group);
}
/**
* returns template options, except of type {@link AWSEC2TemplateOptions}.
*/
@Override
public AWSEC2TemplateOptions templateOptions() {
return AWSEC2TemplateOptions.class.cast(super.templateOptions());
}
}