jp.classmethod.aws.gradle.rds.AmazonRDSMigrateDBInstanceTask.java Source code

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Here is the source code for jp.classmethod.aws.gradle.rds.AmazonRDSMigrateDBInstanceTask.java

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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.Arrays;
import java.util.List;

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.services.rds.AmazonRDS;
import com.amazonaws.services.rds.model.CreateDBInstanceRequest;
import com.amazonaws.services.rds.model.DBInstance;
import com.amazonaws.services.rds.model.DBInstanceNotFoundException;
import com.amazonaws.services.rds.model.DescribeDBInstancesRequest;
import com.amazonaws.services.rds.model.DescribeDBInstancesResult;
import com.amazonaws.services.rds.model.ModifyDBInstanceRequest;

public class AmazonRDSMigrateDBInstanceTask extends ConventionTask {

    @Getter
    @Setter
    private String dbName;

    @Getter
    @Setter
    private String dbInstanceIdentifier;

    @Getter
    @Setter
    private Integer allocatedStorage;

    @Getter
    @Setter
    private String dbInstanceClass;

    @Getter
    @Setter
    private String engine;

    @Getter
    @Setter
    private String masterUsername;

    @Getter
    @Setter
    private String masterUserPassword;

    @Getter
    @Setter
    private List<String> vpcSecurityGroupIds;

    @Getter
    @Setter
    private String dbSubnetGroupName;

    @Getter
    @Setter
    private String preferredMaintenanceWindow;

    @Getter
    @Setter
    private String dbParameterGroupName;

    @Getter
    @Setter
    private Integer backupRetentionPeriod;

    @Getter
    @Setter
    private String preferredBackupWindow;

    @Getter
    @Setter
    private Integer port;

    @Getter
    @Setter
    private Boolean multiAZ;

    @Getter
    @Setter
    private String engineVersion;

    @Getter
    @Setter
    private Boolean autoMinorVersionUpgrade;

    @Getter
    @Setter
    private String licenseModel;

    @Getter
    @Setter
    private Integer iops;

    @Getter
    @Setter
    private String optionGroupName;

    @Getter
    @Setter
    private Boolean publiclyAccessible;

    @Getter
    @Setter
    private String characterSetName;

    @Getter
    @Setter
    private String storageType;

    @Getter
    @Setter
    private String tdeCredentialArn;

    @Getter
    @Setter
    private String tdeCredentialPassword;

    @Getter
    @Setter
    private Boolean storageEncrypted;

    @Getter
    @Setter
    private String kmsKeyId;

    @Getter
    private DBInstance dbInstance;

    @Getter
    @Setter
    private List<String> stableStatuses = Arrays.asList("available", "backing-up", "storage-full");

    public AmazonRDSMigrateDBInstanceTask() {
        setDescription("Create / Migrate RDS instance.");
        setGroup("AWS");
    }

    @TaskAction
    public void createOrUpdateDBInstance() throws InterruptedException {
        AmazonRDSPluginExtension ext = getProject().getExtensions().getByType(AmazonRDSPluginExtension.class);
        AmazonRDS rds = ext.getClient();

        try {
            DescribeDBInstancesResult describeDBInstancesResult = rds.describeDBInstances(
                    new DescribeDBInstancesRequest().withDBInstanceIdentifier(dbInstanceIdentifier));
            DBInstance dbInstance = describeDBInstancesResult.getDBInstances().get(0);
            if (stableStatuses.contains(dbInstance.getDBInstanceStatus())) {
                modifyDBInstance(rds);
            } else {
                throw new GradleException("Invalid status for update: " + dbInstance.getDBInstanceStatus());
            }
        } catch (DBInstanceNotFoundException e) {
            getLogger().info(e.getMessage());
            createDBInstance(rds);
        }
    }

    private void createDBInstance(AmazonRDS rds) {
        // to enable conventionMappings feature
        String dbInstanceIdentifier = getDbInstanceIdentifier();
        String dbInstanceClass = getDbInstanceClass();
        String engine = getEngine();

        if (dbInstanceClass == null) {
            throw new GradleException("dbInstanceClass is required");
        }
        if (dbInstanceIdentifier == null) {
            throw new GradleException("dbInstanceIdentifier is required");
        }
        if (engine == null) {
            throw new GradleException("engine is required");
        }

        CreateDBInstanceRequest request = new CreateDBInstanceRequest().withDBName(getDbName())
                .withDBInstanceIdentifier(dbInstanceIdentifier).withAllocatedStorage(getAllocatedStorage())
                .withDBInstanceClass(dbInstanceClass).withEngine(engine).withMasterUsername(getMasterUsername())
                .withMasterUserPassword(getMasterUserPassword()).withVpcSecurityGroupIds(getVpcSecurityGroupIds())
                .withDBSubnetGroupName(getDbSubnetGroupName())
                .withPreferredMaintenanceWindow(getPreferredMaintenanceWindow())
                .withDBParameterGroupName(getDbParameterGroupName())
                .withBackupRetentionPeriod(getBackupRetentionPeriod())
                .withPreferredBackupWindow(getPreferredBackupWindow()).withPort(getPort()).withMultiAZ(getMultiAZ())
                .withEngineVersion(getEngineVersion()).withAutoMinorVersionUpgrade(getAutoMinorVersionUpgrade())
                .withLicenseModel(getLicenseModel()).withIops(getIops()).withOptionGroupName(getOptionGroupName())
                .withPubliclyAccessible(getPubliclyAccessible()).withCharacterSetName(getCharacterSetName())
                .withStorageType(getStorageType()).withTdeCredentialArn(getTdeCredentialArn())
                .withTdeCredentialPassword(getTdeCredentialPassword()).withStorageEncrypted(getStorageEncrypted())
                .withKmsKeyId(getKmsKeyId());
        dbInstance = rds.createDBInstance(request);
        getLogger().info("Create RDS instance requested: {}", dbInstance.getDBInstanceIdentifier());
    }

    private void modifyDBInstance(AmazonRDS rds) {
        // to enable conventionMappings feature
        String dbInstanceIdentifier = getDbInstanceIdentifier();

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

        ModifyDBInstanceRequest request = new ModifyDBInstanceRequest()
                .withDBInstanceIdentifier(dbInstanceIdentifier).withAllocatedStorage(getAllocatedStorage())
                .withDBInstanceClass(getDbInstanceClass()).withMasterUserPassword(getMasterUserPassword())
                .withVpcSecurityGroupIds(getVpcSecurityGroupIds())
                .withPreferredMaintenanceWindow(getPreferredMaintenanceWindow())
                .withDBParameterGroupName(getDbParameterGroupName())
                .withBackupRetentionPeriod(getBackupRetentionPeriod())
                .withPreferredBackupWindow(getPreferredBackupWindow()).withMultiAZ(getMultiAZ())
                .withEngineVersion(getEngineVersion()).withAutoMinorVersionUpgrade(getAutoMinorVersionUpgrade())
                .withIops(getIops()).withOptionGroupName(getOptionGroupName()).withStorageType(getStorageType())
                .withTdeCredentialArn(getTdeCredentialArn()).withTdeCredentialPassword(getTdeCredentialPassword());
        dbInstance = rds.modifyDBInstance(request);
        getLogger().info("Modify RDS instance requested: {}", dbInstance.getDBInstanceIdentifier());
    }
}