/**
* 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.gogrid.compute.functions;
import static com.google.common.base.Preconditions.checkNotNull;
import java.util.Map;
import java.util.NoSuchElementException;
import java.util.Set;
import javax.annotation.Resource;
import javax.inject.Inject;
import javax.inject.Singleton;
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.NodeMetadata.Status;
import org.jclouds.compute.functions.GroupNamingConvention;
import org.jclouds.domain.Location;
import org.jclouds.gogrid.domain.Server;
import org.jclouds.gogrid.domain.ServerState;
import org.jclouds.location.predicates.LocationPredicates;
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.ImmutableSet;
import com.google.common.collect.Iterables;
/**
* @author Oleksiy Yarmula
*/
@Singleton
public class ServerToNodeMetadata implements Function<Server, NodeMetadata> {
@Resource
protected Logger logger = Logger.NULL;
private final Map<ServerState, Status> serverStateToNodeStatus;
private final Supplier<Set<? extends Image>> images;
private final Supplier<Set<? extends Hardware>> hardwares;
private final Supplier<Set<? extends Location>> locations;
private final GroupNamingConvention nodeNamingConvention;
static class FindImageForServer implements Predicate<Image> {
private final Server instance;
@Inject
private FindImageForServer(Server instance) {
this.instance = instance;
}
@Override
public boolean apply(Image input) {
return input.getProviderId().equals(instance.getImage().getId() + "")
&& (input.getLocation() == null || input.getLocation().getId().equals(
instance.getDatacenter().getId() + ""));
}
}
static class FindHardwareForServer implements Predicate<Hardware> {
private final Server instance;
@Inject
private FindHardwareForServer(Server instance) {
this.instance = instance;
}
@Override
public boolean apply(Hardware input) {
return input.getRam() == Integer.parseInt(instance.getRam().getName().replaceAll("[^0-9]", ""));
}
}
@Inject
ServerToNodeMetadata(Map<ServerState, Status> serverStateToNodeStatus,
@Memoized Supplier<Set<? extends Image>> images, @Memoized Supplier<Set<? extends Hardware>> hardwares,
@Memoized Supplier<Set<? extends Location>> locations,
GroupNamingConvention.Factory namingConvention) {
this.nodeNamingConvention = checkNotNull(namingConvention, "namingConvention").createWithoutPrefix();
this.serverStateToNodeStatus = checkNotNull(serverStateToNodeStatus, "serverStateToNodeStatus");
this.images = checkNotNull(images, "images");
this.hardwares = checkNotNull(hardwares, "hardwares");
this.locations = checkNotNull(locations, "locations");
}
@Override
public NodeMetadata apply(Server from) {
NodeMetadataBuilder builder = new NodeMetadataBuilder();
builder.ids(from.getId() + "");
builder.name(from.getName());
Location location = Iterables.find(locations.get(), LocationPredicates.idEquals(from.getDatacenter().getId() + ""));
builder.location(location);
builder.group(nodeNamingConvention.groupInUniqueNameOrNull(from.getName()));
builder.hardware(parseHardware(from));
builder.imageId(from.getImage().getId() + "");
Image image = parseImage(from);
if (image != null)
builder.operatingSystem(image.getOperatingSystem());
builder.status(serverStateToNodeStatus.get(from.getState()));
builder.publicAddresses(ImmutableSet.of(from.getIp().getIp()));
return builder.build();
}
protected Image parseImage(Server from) {
Image image = null;
try {
image = Iterables.find(images.get(), new FindImageForServer(from));
} catch (NoSuchElementException e) {
logger.debug("could not find a matching image for server %s", from);
}
return image;
}
protected Hardware parseHardware(Server from) {
Hardware hardware = null;
try {
hardware = Iterables.find(hardwares.get(), new FindHardwareForServer(from));
} catch (NoSuchElementException e) {
logger.debug("could not find a matching hardware for server %s", from);
}
return hardware;
}
}