com.pinterest.terrapin.hadoop.S3Uploader.java Source code

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Here is the source code for com.pinterest.terrapin.hadoop.S3Uploader.java

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/**
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements.  See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF 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 com.pinterest.terrapin.hadoop;

import com.amazonaws.auth.BasicAWSCredentials;
import com.google.common.base.Preconditions;
import com.pinterest.terrapin.TerrapinUtil;
import org.apache.commons.lang3.tuple.Pair;
import org.apache.hadoop.fs.Path;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.util.List;

/**
 * Class for uploading data existing on S3.
 */
public class S3Uploader extends BaseUploader {
    private static final Logger LOG = LoggerFactory.getLogger(S3Uploader.class);

    private final String s3Bucket;
    private final String s3KeyPrefix;

    public S3Uploader(TerrapinUploaderOptions uploaderOptions, String s3Bucket, String s3KeyPrefix) {
        super(uploaderOptions);
        this.s3Bucket = s3Bucket;
        this.s3KeyPrefix = s3KeyPrefix;
    }

    @Override
    List<Pair<Path, Long>> getFileList() {
        return TerrapinUtil.getS3FileList(
                new BasicAWSCredentials(conf.get("fs.s3n.awsAccessKeyId"), conf.get("fs.s3n.awsSecretAccessKey")),
                s3Bucket, s3KeyPrefix);
    }

    public static void main(String[] args) {
        TerrapinUploaderOptions uploaderOptions = TerrapinUploaderOptions.initFromSystemProperties();
        uploaderOptions.validate();

        String s3Bucket = System.getProperties().getProperty("terrapin.s3bucket");
        String s3Prefix = System.getProperties().getProperty("terrapin.s3key_prefix");
        Preconditions.checkNotNull(s3Bucket);
        Preconditions.checkNotNull(s3Prefix);

        try {
            new S3Uploader(uploaderOptions, s3Bucket, s3Prefix).upload(uploaderOptions.terrapinCluster,
                    uploaderOptions.terrapinFileSet, uploaderOptions.loadOptions);
        } catch (Exception e) {
            LOG.error("Upload FAILED.", e);
            System.exit(1);
        }
        // We need to force an exit since some of the netty threads instantiated as part
        // of the process are not daemon threads.
        System.exit(0);
    }
}