Example usage for com.amazonaws SDKGlobalConfiguration ACCESS_KEY_SYSTEM

Introduction

In this page you can find the example usage for com.amazonaws SDKGlobalConfiguration ACCESS_KEY_SYSTEM_PROPERTY.

Prototype

String ACCESS_KEY_SYSTEM_PROPERTY

To view the source code for com.amazonaws SDKGlobalConfiguration ACCESS_KEY_SYSTEM_PROPERTY.

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Document

System property name for the AWS access key ID

Usage

From source file:alluxio.underfs.s3a.S3AUnderFileSystem.java

License:Apache License

/**
 * Constructs a new instance of {@link S3AUnderFileSystem}.
 *
 * @param uri the {@link AlluxioURI} for this UFS
 *///from  ww  w  . j ava 2s  . co  m
public S3AUnderFileSystem(AlluxioURI uri) {
    super(uri);
    mBucketName = uri.getHost();
    mBucketPrefix = PathUtils.normalizePath(Constants.HEADER_S3A + mBucketName, PATH_SEPARATOR);

    // Set the aws credential system properties based on Alluxio properties, if they are set
    if (Configuration.containsKey(PropertyKey.S3A_ACCESS_KEY)) {
        System.setProperty(SDKGlobalConfiguration.ACCESS_KEY_SYSTEM_PROPERTY,
                Configuration.get(PropertyKey.S3A_ACCESS_KEY));
    }
    if (Configuration.containsKey(PropertyKey.S3A_SECRET_KEY)) {
        System.setProperty(SDKGlobalConfiguration.SECRET_KEY_SYSTEM_PROPERTY,
                Configuration.get(PropertyKey.S3A_SECRET_KEY));
    }

    // Checks, in order, env variables, system properties, profile file, and instance profile
    AWSCredentialsProvider credentials = new AWSCredentialsProviderChain(
            new DefaultAWSCredentialsProviderChain());

    // Set the client configuration based on Alluxio configuration values
    ClientConfiguration clientConf = new ClientConfiguration();

    // Socket timeout
    clientConf.setSocketTimeout(Configuration.getInt(PropertyKey.UNDERFS_S3A_SOCKET_TIMEOUT_MS));

    // HTTP protocol
    if (Configuration.getBoolean(PropertyKey.UNDERFS_S3A_SECURE_HTTP_ENABLED)) {
        clientConf.setProtocol(Protocol.HTTPS);
    } else {
        clientConf.setProtocol(Protocol.HTTP);
    }

    // Proxy host
    if (Configuration.containsKey(PropertyKey.UNDERFS_S3_PROXY_HOST)) {
        clientConf.setProxyHost(Configuration.get(PropertyKey.UNDERFS_S3_PROXY_HOST));
    }

    // Proxy port
    if (Configuration.containsKey(PropertyKey.UNDERFS_S3_PROXY_PORT)) {
        clientConf.setProxyPort(Configuration.getInt(PropertyKey.UNDERFS_S3_PROXY_PORT));
    }

    mClient = new AmazonS3Client(credentials, clientConf);
    if (Configuration.containsKey(PropertyKey.UNDERFS_S3_ENDPOINT)) {
        mClient.setEndpoint(Configuration.get(PropertyKey.UNDERFS_S3_ENDPOINT));
    }
    mManager = new TransferManager(mClient);

    TransferManagerConfiguration transferConf = new TransferManagerConfiguration();
    transferConf.setMultipartCopyThreshold(MULTIPART_COPY_THRESHOLD);
    mManager.setConfiguration(transferConf);

    mAccountOwnerId = mClient.getS3AccountOwner().getId();
    // Gets the owner from user-defined static mapping from S3 canonical user id  to Alluxio
    // user name.
    String owner = CommonUtils.getValueFromStaticMapping(
            Configuration.get(PropertyKey.UNDERFS_S3_OWNER_ID_TO_USERNAME_MAPPING), mAccountOwnerId);
    // If there is no user-defined mapping, use the display name.
    if (owner == null) {
        owner = mClient.getS3AccountOwner().getDisplayName();
    }
    mAccountOwner = owner == null ? mAccountOwnerId : owner;

    AccessControlList acl = mClient.getBucketAcl(mBucketName);
    mBucketMode = S3AUtils.translateBucketAcl(acl, mAccountOwnerId);
}

Example usage for com.amazonaws SDKGlobalConfiguration ACCESS_KEY_SYSTEM_PROPERTY

Introduction

Prototype

Document

Usage