jp.classmethod.aws.gradle.rds.AmazonRDSDescribeInstancesTask.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.rds;

import java.util.List;
import java.util.Map;
import java.util.stream.Collectors;

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.AmazonServiceException;
import com.amazonaws.services.rds.AmazonRDS;
import com.amazonaws.services.rds.model.DBInstance;
import com.amazonaws.services.rds.model.DescribeDBInstancesRequest;
import com.amazonaws.services.rds.model.DescribeDBInstancesResult;
import com.amazonaws.services.rds.model.Filter;

public class AmazonRDSDescribeInstancesTask extends ConventionTask { // NOPMD

    @Getter
    @Setter
    private String dbInstanceIdentifier;

    @Getter
    @Setter
    private int maxRecords = 50;

    @Getter
    @Setter
    private Map<String, List<String>> filters;

    @Getter
    private List<DBInstance> dbInstances;

    public AmazonRDSDescribeInstancesTask() {
        setDescription("Describe AWS instances.");
        setGroup("AWS");
    }

    @TaskAction
    public void describeDBInstances() { // NOPMD
        // to enable conventionMappings feature
        String dbInstanceIdentifier = getDbInstanceIdentifier();
        AmazonRDSPluginExtension ext = getProject().getExtensions().getByType(AmazonRDSPluginExtension.class);
        AmazonRDS rds = ext.getClient();
        try {
            DescribeDBInstancesRequest request = new DescribeDBInstancesRequest().withMaxRecords(getMaxRecords());
            if (getDbInstanceIdentifier() != null && getDbInstanceIdentifier().length() > 0) {
                request.withDBInstanceIdentifier(getDbInstanceIdentifier());
            }
            if (getFilters() != null) {
                request.withFilters(getFilters().entrySet().stream()
                        .map(it -> new Filter().withName(it.getKey().toString()).withValues(it.getValue()))
                        .collect(Collectors.toList()));
            }
            DescribeDBInstancesResult dir = rds.describeDBInstances(request);
            dbInstances = dir.getDBInstances();
        } catch (AmazonServiceException e) {
            throw new GradleException("Fail to describe instance: " + dbInstanceIdentifier, e);
        }
    }
}