org.jclouds.ibm.smartcloud.compute.functions.InstanceToNodeMetadata.java Source code

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Here is the source code for org.jclouds.ibm.smartcloud.compute.functions.InstanceToNodeMetadata.java

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/**
 * 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.ibm.smartcloud.compute.functions;

import static com.google.common.base.Preconditions.checkNotNull;
import static org.jclouds.compute.util.ComputeServiceUtils.parseGroupFromName;

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

import javax.annotation.Resource;
import javax.inject.Inject;
import javax.inject.Named;
import javax.inject.Singleton;

import org.jclouds.compute.domain.Image;
import org.jclouds.compute.domain.NodeMetadata;
import org.jclouds.compute.domain.NodeMetadataBuilder;
import org.jclouds.compute.domain.NodeState;
import org.jclouds.domain.Credentials;
import org.jclouds.domain.Location;
import org.jclouds.ibm.smartcloud.domain.IP;
import org.jclouds.ibm.smartcloud.domain.Instance;
import org.jclouds.logging.Logger;

import com.google.common.annotations.VisibleForTesting;
import com.google.common.base.Function;
import com.google.common.base.Predicates;
import com.google.common.base.Supplier;
import com.google.common.collect.ImmutableMap;
import com.google.common.collect.ImmutableSet;
import com.google.common.collect.Iterables;

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

    @VisibleForTesting
    public static final Map<Instance.Status, NodeState> instanceStatusToNodeState = ImmutableMap.<Instance.Status, NodeState>builder()
            .put(Instance.Status.ACTIVE, NodeState.RUNNING)//
            .put(Instance.Status.STOPPED, NodeState.SUSPENDED)//
            .put(Instance.Status.REMOVED, NodeState.TERMINATED)//
            .put(Instance.Status.DEPROVISIONING, NodeState.PENDING)//
            .put(Instance.Status.FAILED, NodeState.ERROR)//
            .put(Instance.Status.NEW, NodeState.PENDING)//
            .put(Instance.Status.PROVISIONING, NodeState.PENDING)//
            .put(Instance.Status.REJECTED, NodeState.ERROR)//
            .put(Instance.Status.RESTARTING, NodeState.PENDING)//
            .put(Instance.Status.STARTING, NodeState.PENDING)//
            .put(Instance.Status.STOPPING, NodeState.PENDING)//
            .put(Instance.Status.DEPROVISION_PENDING, NodeState.PENDING)//
            .put(Instance.Status.UNKNOWN, NodeState.UNRECOGNIZED).build();
    @Resource
    protected Logger logger = Logger.NULL;
    private final Map<Instance.Status, NodeState> instanceStateToNodeState;
    private final Supplier<Map<String, ? extends Image>> images;
    private final Map<String, String> credentialsMap;
    private final Supplier<Map<String, ? extends Location>> locations;

    @Inject
    InstanceToNodeMetadata(Map<Instance.Status, NodeState> instanceStateToNodeState,
            Supplier<Map<String, ? extends Image>> images, @Named("CREDENTIALS") Map<String, String> credentialsMap,
            Supplier<Map<String, ? extends Location>> locations) {
        this.instanceStateToNodeState = checkNotNull(instanceStateToNodeState, "instanceStateToNodeState");
        this.images = checkNotNull(images, "images");
        this.credentialsMap = checkNotNull(credentialsMap, "credentialsMap");
        this.locations = checkNotNull(locations, "locations");
    }

    private static Function<IP, String> ipFromIP = new Function<IP, String>() {

        @Override
        public String apply(IP arg0) {
            return arg0 != null ? arg0.getIP() : null;
        }

    };

    @Override
    public NodeMetadata apply(Instance from) {
        // TODO hardware
        String group = parseGroupFromName(from.getName());
        String ip = ipFromIP.apply(from.getPrimaryIP());
        Set<String> ipSet = ip != null ? ImmutableSet.of(ip) : ImmutableSet.<String>of();
        Image image = images.get().get(from.getImageId());
        String key = credentialsMap.get(from.getKeyName());
        return new NodeMetadataBuilder().ids(from.getId() + "").name(from.getName())
                .location(locations.get().get(image.getLocation())).group(group).imageId(from.getImageId())
                .state(instanceStateToNodeState.get(from.getStatus()))
                .operatingSystem(image != null ? image.getOperatingSystem() : null).publicAddresses(ipSet)
                .privateAddresses(Iterables.filter(Iterables.transform(from.getSecondaryIPs(), ipFromIP),
                        Predicates.notNull()))
                .credentials(new Credentials(image.getDefaultCredentials().identity, key)).build();
    }
}