jp.classmethod.aws.gradle.ec2.AmazonEC2ImportKeyTask.java Source code

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/*
 * Copyright 2015-2016 the original author or authors.
 *
 * 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 jp.classmethod.aws.gradle.ec2;

import lombok.Getter;
import lombok.Setter;

import org.gradle.api.GradleException;
import org.gradle.api.internal.ConventionTask;
import org.gradle.api.tasks.TaskAction;

import com.amazonaws.AmazonClientException;
import com.amazonaws.services.ec2.AmazonEC2;
import com.amazonaws.services.ec2.model.DescribeKeyPairsRequest;
import com.amazonaws.services.ec2.model.DescribeKeyPairsResult;
import com.amazonaws.services.ec2.model.ImportKeyPairRequest;
import com.amazonaws.services.ec2.model.ImportKeyPairResult;

public class AmazonEC2ImportKeyTask extends ConventionTask {

    @Getter
    @Setter
    private String keyName;

    @Getter
    @Setter
    private String publicKeyMaterial;

    @Getter
    @Setter
    public boolean ifNotExists;

    @Getter
    private ImportKeyPairResult importKeyPairResult;

    public AmazonEC2ImportKeyTask() {
        setDescription("Start EC2 instance.");
        setGroup("AWS");
    }

    @TaskAction
    public void importKey() {
        // to enable conventionMappings feature
        String keyName = getKeyName();
        String publicKeyMaterial = getPublicKeyMaterial();

        if (keyName == null) {
            throw new GradleException("keyName is required");
        }

        AmazonEC2PluginExtension ext = getProject().getExtensions().getByType(AmazonEC2PluginExtension.class);
        AmazonEC2 ec2 = ext.getClient();

        if (isIfNotExists() == false || exists(ec2) == false) {
            importKeyPairResult = ec2.importKeyPair(new ImportKeyPairRequest(keyName, publicKeyMaterial));
            getLogger().info("KeyPair imported: {}", importKeyPairResult.getKeyFingerprint());
        }
    }

    private boolean exists(AmazonEC2 ec2) {
        // to enable conventionMappings feature
        String keyName = getKeyName();

        try {
            DescribeKeyPairsResult describeKeyPairsResult = ec2
                    .describeKeyPairs(new DescribeKeyPairsRequest().withKeyNames(keyName));
            return describeKeyPairsResult.getKeyPairs().isEmpty() == false;
        } catch (AmazonClientException e) {
            return false;
        }
    }

}