com.github.nethad.clustermeister.provisioning.ec2.AmazonNode.java Source code

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Here is the source code for com.github.nethad.clustermeister.provisioning.ec2.AmazonNode.java

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/*
 * Copyright 2012 The Clustermeister Team.
 *
 * Licensed 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 com.github.nethad.clustermeister.provisioning.ec2;

import com.github.nethad.clustermeister.api.Node;
import com.github.nethad.clustermeister.api.NodeType;
import com.google.common.base.Objects;
import com.google.common.base.Optional;
import com.google.common.collect.Iterables;
import java.util.Set;
import org.apache.commons.lang3.builder.EqualsBuilder;
import org.apache.commons.lang3.builder.ToStringBuilder;
import org.apache.commons.lang3.builder.ToStringStyle;
import org.jclouds.compute.domain.NodeMetadata;

/**
 *
 * @author daniel
 */
public class AmazonNode implements Node {

    final String id;
    NodeMetadata instanceMetadata;
    AmazonNodeConfiguration nodeConfiguration;
    Optional<AmazonNode> driver;

    public AmazonNode(String id, AmazonNodeConfiguration nodeConfiguration, NodeMetadata instanceMetadata) {
        this.nodeConfiguration = nodeConfiguration;
        this.instanceMetadata = instanceMetadata;
        this.id = id;
    }

    void updateInstanceMetaData(NodeMetadata instanceMetadata) {
        this.instanceMetadata = instanceMetadata;
    }

    NodeMetadata getInstanceMetadata() {
        return instanceMetadata;
    }

    public AmazonInstanceShutdownState getInstanceShutdownState() {
        AmazonInstanceShutdownState shutdownState;

        Optional<String> configuredState = nodeConfiguration.getProfile().getShutdownState();
        if (configuredState.isPresent()) {
            shutdownState = AmazonInstanceShutdownState.valueOf(configuredState.get().toUpperCase());
            if (nodeConfiguration.getProfile().getSpotPrice().isPresent()
                    && shutdownState == AmazonInstanceShutdownState.SUSPENDED) {
                shutdownState = AmazonInstanceShutdownState.TERMINATED;
            }
        } else {
            if (nodeConfiguration.getProfile().getSpotPrice().isPresent()) {
                shutdownState = AmazonInstanceShutdownState.TERMINATED;
            } else {
                shutdownState = AmazonInstanceShutdownState.SUSPENDED;
            }
        }

        return shutdownState;
    }

    public String getState() {
        return instanceMetadata.getState().toString();
    }

    public String getInstanceId() {
        return instanceMetadata.getId();
    }

    @Override
    public String getID() {
        return id;
    }

    @Override
    public NodeType getType() {
        return nodeConfiguration.getType();
    }

    @Override
    public Set<String> getPrivateAddresses() {
        return instanceMetadata.getPrivateAddresses();
    }

    public String getFirstPrivateAddress() {
        return Iterables.getFirst(instanceMetadata.getPrivateAddresses(), null);
    }

    @Override
    public Set<String> getPublicAddresses() {
        return instanceMetadata.getPublicAddresses();
    }

    public String getFirstPublicAddress() {
        return Iterables.getFirst(instanceMetadata.getPublicAddresses(), null);
    }

    @Override
    public int getManagementPort() {
        return nodeConfiguration.getManagementPort();
    }

    public String getDriverAddress() {
        return nodeConfiguration.getDriverAddress();
    }

    public void setDriver(AmazonNode driver) {
        this.driver = Optional.fromNullable(driver);
    }

    public Optional<AmazonNode> getDriver() {
        return driver;
    }

    @Override
    public String toString() {
        return new ToStringBuilder(this, ToStringStyle.SHORT_PREFIX_STYLE).append(nodeConfiguration.getType())
                .append(id).append(instanceMetadata.getId()).append(instanceMetadata.getState())
                .append("public", instanceMetadata.getPublicAddresses())
                .append("private", instanceMetadata.getPrivateAddresses()).toString();
    }

    @Override
    public boolean equals(Object obj) {
        if (obj == null) {
            return false;
        }
        if (obj == this) {
            return true;
        }
        if (obj.getClass() != (getClass())) {
            return false;
        }
        AmazonNode otherNode = (AmazonNode) obj;
        return new EqualsBuilder().append(id, otherNode.id).isEquals();
    }

    @Override
    public int hashCode() {
        return Objects.hashCode(id);
    }

    @Override
    public <T extends Node> T as(Class<T> clazz) {
        return clazz.cast(this);
    }
}