/*
* 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.trmk.vcloud_0_8.compute.strategy;
import static com.google.common.collect.Iterables.toArray;
import static org.jclouds.compute.config.ComputeServiceProperties.BLACKLIST_NODES;
import static org.jclouds.compute.predicates.NodePredicates.all;
import static org.jclouds.compute.predicates.NodePredicates.withIds;
import static org.jclouds.compute.reference.ComputeServiceConstants.COMPUTE_LOGGER;
import java.util.Map;
import java.util.Set;
import javax.annotation.Resource;
import javax.inject.Named;
import javax.inject.Singleton;
import org.jclouds.compute.domain.ComputeMetadata;
import org.jclouds.compute.domain.ComputeMetadataBuilder;
import org.jclouds.compute.domain.ComputeType;
import org.jclouds.compute.domain.NodeMetadata;
import org.jclouds.compute.strategy.ListNodesStrategy;
import org.jclouds.logging.Logger;
import org.jclouds.trmk.vcloud_0_8.TerremarkVCloudClient;
import org.jclouds.trmk.vcloud_0_8.TerremarkVCloudMediaType;
import org.jclouds.trmk.vcloud_0_8.compute.functions.FindLocationForResource;
import org.jclouds.trmk.vcloud_0_8.domain.ReferenceType;
import org.jclouds.trmk.vcloud_0_8.endpoints.Org;
import com.google.common.annotations.VisibleForTesting;
import com.google.common.base.Predicate;
import com.google.common.base.Splitter;
import com.google.common.base.Supplier;
import com.google.common.collect.FluentIterable;
import com.google.common.collect.ImmutableSet;
import com.google.common.collect.Iterables;
import com.google.common.collect.Sets;
import com.google.inject.Inject;
/**
* @author Adrian Cole
*/
// TODO REFACTOR!!! needs to be parallel
@Singleton
public class TerremarkVCloudListNodesStrategy implements ListNodesStrategy {
@Resource
@Named(COMPUTE_LOGGER)
public Logger logger = Logger.NULL;
protected final TerremarkVCloudGetNodeMetadataStrategy getNodeMetadata;
protected final TerremarkVCloudClient client;
protected final FindLocationForResource findLocationForResourceInVDC;
Set<String> blackListVAppNames = ImmutableSet.<String> of();
@Inject(optional = true)
void setBlackList(@Named(BLACKLIST_NODES) String blackListNodes) {
if (blackListNodes != null && !"".equals(blackListNodes))
this.blackListVAppNames = ImmutableSet.copyOf(Splitter.on(',').split(blackListNodes));
}
private final Supplier<Map<String, ReferenceType>> orgNameToEndpoint;
@Inject
protected TerremarkVCloudListNodesStrategy(TerremarkVCloudClient client,
@Org Supplier<Map<String, ReferenceType>> orgNameToEndpoint,
TerremarkVCloudGetNodeMetadataStrategy getNodeMetadata, FindLocationForResource findLocationForResourceInVDC) {
this.client = client;
this.orgNameToEndpoint = orgNameToEndpoint;
this.getNodeMetadata = getNodeMetadata;
this.findLocationForResourceInVDC = findLocationForResourceInVDC;
}
@Override
public Iterable<ComputeMetadata> listNodes() {
Set<ComputeMetadata> nodes = Sets.newHashSet();
for (String org : orgNameToEndpoint.get().keySet()) {
for (ReferenceType vdc : client.findOrgNamed(org).getVDCs().values()) {
for (ReferenceType resource : client.getVDC(vdc.getHref()).getResourceEntities().values()) {
if (validVApp(resource)) {
nodes.add(convertVAppToComputeMetadata(vdc, resource));
}
}
}
}
return nodes;
}
private boolean validVApp(ReferenceType resource) {
return resource.getType().equals(TerremarkVCloudMediaType.VAPP_XML)
&& !blackListVAppNames.contains(resource.getName());
}
private ComputeMetadata convertVAppToComputeMetadata(ReferenceType vdc, ReferenceType resource) {
ComputeMetadataBuilder builder = new ComputeMetadataBuilder(ComputeType.NODE);
builder.providerId(resource.getHref().toASCIIString());
builder.name(resource.getName());
builder.id(resource.getHref().toASCIIString());
builder.location(findLocationForResourceInVDC.apply(vdc));
return builder.build();
}
@Override
public Iterable<? extends NodeMetadata> listNodesByIds(Iterable<String> ids) {
return FluentIterable.from(listDetailsOnNodesMatching(all())).filter(withIds(toArray(ids, String.class))).toSet();
}
@Override
public Iterable<NodeMetadata> listDetailsOnNodesMatching(Predicate<ComputeMetadata> filter) {
Set<NodeMetadata> nodes = Sets.newHashSet();
for (String org : orgNameToEndpoint.get().keySet()) {
for (ReferenceType vdc : client.findOrgNamed(org).getVDCs().values()) {
for (ReferenceType resource : client.getVDC(vdc.getHref()).getResourceEntities().values()) {
if (validVApp(resource) && filter.apply(convertVAppToComputeMetadata(vdc, resource))) {
addVAppToSetRetryingIfNotYetPresent(nodes, vdc, resource);
}
}
}
}
return nodes;
}
@VisibleForTesting
void addVAppToSetRetryingIfNotYetPresent(Set<NodeMetadata> nodes, ReferenceType vdc, ReferenceType resource) {
NodeMetadata node = null;
int i = 0;
while (node == null && i++ < 3) {
try {
node = getNodeMetadata.getNode(resource.getHref().toASCIIString());
nodes.add(node);
} catch (NullPointerException e) {
logger.warn("vApp %s not yet present in vdc %s", resource.getName(), vdc.getName());
}
}
}
}