org.jclouds.savvis.vpdc.compute.functions.VMToNodeMetadata.java Source code

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Here is the source code for org.jclouds.savvis.vpdc.compute.functions.VMToNodeMetadata.java

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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
 * limitations under the License.
 */
package org.jclouds.savvis.vpdc.compute.functions;

import static com.google.common.base.Preconditions.checkNotNull;
import static com.google.common.base.Predicates.not;
import static com.google.common.collect.FluentIterable.from;
import static com.google.common.collect.Iterables.filter;

import java.util.Map;
import java.util.Set;

import javax.inject.Inject;
import javax.inject.Singleton;

import org.jclouds.collect.Memoized;
import org.jclouds.compute.domain.CIMOperatingSystem;
import org.jclouds.compute.domain.NodeMetadata;
import org.jclouds.compute.domain.NodeMetadata.Status;
import org.jclouds.compute.domain.NodeMetadataBuilder;
import org.jclouds.compute.functions.GroupNamingConvention;
import org.jclouds.domain.Location;
import org.jclouds.location.predicates.LocationPredicates;
import org.jclouds.savvis.vpdc.domain.VM;
import org.jclouds.savvis.vpdc.util.Utils;
import org.jclouds.util.InetAddresses2.IsPrivateIPAddress;

import com.google.common.base.Function;
import com.google.common.base.Supplier;
import com.google.common.collect.ImmutableMap;
import com.google.common.collect.Iterables;

/**
 * @author Adrian Cole
 */
@Singleton
public class VMToNodeMetadata implements Function<VM, NodeMetadata> {

    public static final Map<VM.Status, Status> VAPPSTATUS_TO_NODESTATE = ImmutableMap.<VM.Status, Status>builder()
            .put(VM.Status.OFF, Status.SUSPENDED).put(VM.Status.ON, Status.RUNNING)
            .put(VM.Status.RESOLVED, Status.PENDING).put(VM.Status.UNRECOGNIZED, Status.UNRECOGNIZED)
            .put(VM.Status.UNKNOWN, Status.UNRECOGNIZED).put(VM.Status.SUSPENDED, Status.SUSPENDED)
            .put(VM.Status.UNRESOLVED, Status.PENDING).build();

    private final Supplier<Set<? extends Location>> locations;
    private final GroupNamingConvention nodeNamingConvention;

    @Inject
    VMToNodeMetadata(@Memoized Supplier<Set<? extends Location>> locations,
            GroupNamingConvention.Factory namingConvention) {
        this.nodeNamingConvention = checkNotNull(namingConvention, "namingConvention").createWithoutPrefix();
        this.locations = checkNotNull(locations, "locations");
    }

    @Override
    public NodeMetadata apply(VM from) {
        NodeMetadataBuilder builder = new NodeMetadataBuilder();
        builder.ids(from.getHref().toASCIIString());
        builder.name(from.getName());
        String locationId = Iterables.get(from.getNetworkSection().getNetworks(), 0).getName();
        builder.location(from(locations.get()).firstMatch(LocationPredicates.idEquals(locationId)).orNull());
        builder.group(nodeNamingConvention.groupInUniqueNameOrNull(from.getName()));
        try {
            builder.operatingSystem(CIMOperatingSystem.toComputeOs(from.getOperatingSystemSection()));
        } catch (NullPointerException e) {
            // os section was null
        }
        // TODO build from resource allocation section
        // builder.hardware(findHardwareForVM.apply(from));
        builder.status(VAPPSTATUS_TO_NODESTATE.get(from.getStatus()));
        Set<String> addresses = Utils.getIpsFromVM(from);
        builder.publicAddresses(filter(addresses, not(IsPrivateIPAddress.INSTANCE)));
        builder.privateAddresses(filter(addresses, IsPrivateIPAddress.INSTANCE));
        return builder.build();
    }
}