/*
* 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.cloudservers.compute.functions;
import static com.google.common.base.Preconditions.checkNotNull;
import static org.jclouds.compute.util.ComputeServiceUtils.addMetadataAndParseTagsFromCommaDelimitedValue;
import static org.jclouds.compute.util.ComputeServiceUtils.groupFromMapOrName;
import java.util.Map;
import java.util.NoSuchElementException;
import java.util.Set;
import javax.annotation.Resource;
import javax.inject.Inject;
import javax.inject.Named;
import javax.inject.Singleton;
import org.jclouds.cloudservers.domain.Server;
import org.jclouds.cloudservers.domain.ServerStatus;
import org.jclouds.collect.Memoized;
import org.jclouds.compute.domain.Hardware;
import org.jclouds.compute.domain.Image;
import org.jclouds.compute.domain.NodeMetadata;
import org.jclouds.compute.domain.NodeMetadataBuilder;
import org.jclouds.compute.domain.OperatingSystem;
import org.jclouds.compute.domain.NodeMetadata.Status;
import org.jclouds.compute.functions.GroupNamingConvention;
import org.jclouds.compute.reference.ComputeServiceConstants;
import org.jclouds.domain.Location;
import org.jclouds.domain.LocationBuilder;
import org.jclouds.domain.LocationScope;
import org.jclouds.logging.Logger;
import com.google.common.base.Function;
import com.google.common.base.Predicate;
import com.google.common.base.Supplier;
import com.google.common.collect.Iterables;
@Singleton
public class ServerToNodeMetadata implements Function<Server, NodeMetadata> {
@Resource
@Named(ComputeServiceConstants.COMPUTE_LOGGER)
protected Logger logger = Logger.NULL;
protected final Supplier<Location> location;
protected final Map<ServerStatus, Status> serverToNodeStatus;
protected final Supplier<Set<? extends Image>> images;
protected final Supplier<Set<? extends Hardware>> hardwares;
protected final GroupNamingConvention nodeNamingConvention;
private static class FindImageForServer implements Predicate<Image> {
private final Server instance;
private FindImageForServer(Server instance) {
this.instance = instance;
}
@Override
public boolean apply(Image input) {
return input.getProviderId().equals(instance.getImageId() + "");
}
}
private static class FindHardwareForServer implements Predicate<Hardware> {
private final Server instance;
private FindHardwareForServer(Server instance) {
this.instance = instance;
}
@Override
public boolean apply(Hardware input) {
return input.getProviderId().equals(instance.getFlavorId() + "");
}
}
@Inject
ServerToNodeMetadata(Map<ServerStatus, Status> serverStateToNodeStatus,
@Memoized Supplier<Set<? extends Image>> images, Supplier<Location> location,
@Memoized Supplier<Set<? extends Hardware>> hardwares,
GroupNamingConvention.Factory namingConvention) {
this.nodeNamingConvention = checkNotNull(namingConvention, "namingConvention").createWithoutPrefix();
this.serverToNodeStatus = checkNotNull(serverStateToNodeStatus, "serverStateToNodeStatus");
this.images = checkNotNull(images, "images");
this.location = checkNotNull(location, "location");
this.hardwares = checkNotNull(hardwares, "hardwares");
}
@Override
public NodeMetadata apply(Server from) {
NodeMetadataBuilder builder = new NodeMetadataBuilder();
builder.ids(from.getId() + "");
builder.name(from.getName());
builder.hostname(from.getName());
builder.location(new LocationBuilder().scope(LocationScope.HOST).id(from.getHostId()).description(
from.getHostId()).parent(location.get()).build());
addMetadataAndParseTagsFromCommaDelimitedValue(builder, from.getMetadata());
builder.group(groupFromMapOrName(from.getMetadata(), from.getName(), nodeNamingConvention));
builder.imageId(from.getImageId() + "");
builder.operatingSystem(parseOperatingSystem(from));
builder.hardware(parseHardware(from));
builder.status(serverToNodeStatus.get(from.getStatus()));
builder.publicAddresses(from.getAddresses().getPublicAddresses());
builder.privateAddresses(from.getAddresses().getPrivateAddresses());
return builder.build();
}
protected Hardware parseHardware(Server from) {
try {
return Iterables.find(hardwares.get(), new FindHardwareForServer(from));
} catch (NoSuchElementException e) {
logger.debug("could not find a matching hardware for server %s", from);
}
return null;
}
protected OperatingSystem parseOperatingSystem(Server from) {
try {
return Iterables.find(images.get(), new FindImageForServer(from)).getOperatingSystem();
} catch (NoSuchElementException e) {
logger.debug("could not find a matching image for server %s in location %s", from, location.get());
}
return null;
}
}