Add AWS/S3 examples

README.md

@@ -28,20 +28,29 @@ with Google Cloud Platform as a cloud provider.
     ```
 5. [Create Google Cloud Platform account](https://cloud.google.com/free).
 6. [Create a new GCP project](https://cloud.google.com/resource-manager/docs/creating-managing-projects).
-7. [Create GCP bucket](https://cloud.google.com/storage/docs/creating-buckets)
-8. Create storage integration object in Snowflake using the following command:
+7. Depending on using GCS or S3 as file system execute one of the following commands to create storage integration object in Snowflake:
     ```
     CREATE OR REPLACE STORAGE INTEGRATION <INTEGRATION NAME>
     TYPE = EXTERNAL_STAGE
     STORAGE_PROVIDER = GCS
     ENABLED = TRUE
     STORAGE_ALLOWED_LOCATIONS = ('gcs://<BUCKET NAME>/');
     ```
+    ```
+    CREATE STORAGE INTEGRATION aws_integration
+    TYPE = EXTERNAL_STAGE
+    STORAGE_PROVIDER = S3
+    ENABLED = TRUE
+    STORAGE_AWS_ROLE_ARN = '<ARN ROLE NAME>'
+    STORAGE_ALLOWED_LOCATIONS = ('s3://<BUCKET NAME>/')
+    ```
    Please note that `gcs` prefix is used here, not `gs`.
-9. Authorize Snowflake to operate on your bucket by following [Step 3. Grant the Service Account Permissions to Access Bucket Objects](https://docs.snowflake.com/en/user-guide/data-load-gcs-config.html#step-3-grant-the-service-account-permissions-to-access-bucket-objects)
-10. Setup gcloud on your computer by following [Using the Google Cloud SDK installer](https://cloud.google.com/sdk/docs/downloads-interactive)
-11. [Install gradle](https://gradle.org/install/)
-12. Run following command to set gradle wrapper
+7. Authorize Snowflake to operate on your bucket
+    1. For GCS follow [Step 3. Grant the Service Account Permissions to Access Bucket Objects](https://docs.snowflake.com/en/user-guide/data-load-gcs-config.html#step-3-grant-the-service-account-permissions-to-access-bucket-objects)
+    1. For S3 follow [Configuring a Snowflake Storage Integration](https://docs.snowflake.com/en/user-guide/data-load-s3-config.html#option-1-configuring-a-snowflake-storage-integration)
+9. Setup gcloud on your computer by following [Using the Google Cloud SDK installer](https://cloud.google.com/sdk/docs/downloads-interactive)
+10. [Install gradle](https://gradle.org/install/)
+11. Run following command to set gradle wrapper
     ```
     gradle wrapper
     ```
@@ -64,27 +73,30 @@ An example consists of two pipelines:
     ```
     ./gradlew run -PmainClass=batching.WordCountExample --args=" \
         --inputFile=gs://apache-beam-samples/shakespeare/* \
-        --output=gs://<GCS BUCKET NAME>/counts \
+        --output=<gs or s3>://<GCS OR S3 BUCKET NAME>/counts \
         --serverName=<SNOWFLAKE SERVER NAME> \
         --username=<SNOWFLAKE USERNAME> \
         --password=<SNOWFLAKE PASSWORD> \
         --database=<SNOWFLAKE DATABASE> \
         --schema=<SNOWFLAKE SCHEMA> \
         --tableName=<SNOWFLAKE TABLE NAME>  \
         --storageIntegrationName=<SNOWFLAKE STORAGE INTEGRATION NAME> \
-        --stagingBucketName=<GCS BUCKET NAME> \
+        --stagingBucketName=<GCS OR S3 BUCKET NAME> \
         --runner=<DirectRunner/DataflowRunner> \
         --project=<FOR DATAFLOW RUNNER: GCP PROJECT NAME> \
         --gcpTempLocation=<FOR DATAFLOW RUNNER: GCS TEMP LOCATION STARTING> \
         --region=<FOR DATAFLOW RUNNER: GCP REGION> \
+        --awsRegion=<OPTIONAL: AWS REGION IN CASE OF USING S3> \ 
+        --awsAccessKey=<OPTIONAL: AWS ACCESS KEY IN CASE OF USING S3>\
+        --awsSecretKey=<OPTIONAL: AWS SECRET KEY IN CASE OF USING S3>\
         --appName=<OPTIONAL: DATAFLOW JOB NAME PREFIX>"
     ```
 2. Go to Snowflake console to check saved counts:
     ```
     select  from <DATABASE NAME>.<SCHEMA NAME>.<TABLE NAME>;
     ```
     ![Batching snowflake result](./images/batching_snowflake_result.png) 
-3. Go to GCS bucket to check saved files:
+3. Go to GCS or S3 bucket to check saved files:
     ![Batching gcs result](./images/batching_gcs_result.png) 
 4. Go to DataFlow to check submitted jobs:
     ![Batching DataFlow result](./images/batching_dataflow_result.png) 
@@ -102,12 +114,17 @@ An example is streaming taxi rides from PubSub into Snowflake.
         lat double
    );
     ```
-2. [Create Snowflake stage](https://docs.snowflake.com/en/sql-reference/sql/create-stage.html)
+2. Depending on using GCS or S3 execute one of the following commands to [create Snowflake stage](https://docs.snowflake.com/en/sql-reference/sql/create-stage.html)
     ```
     create or replace stage <STAGE NAME>
     url = 'gcs://<GCS BUCKET NAME>/data/'
     storage_integration = <INTEGRATION NAME>;
     ```
+    ```
+    create stage <STAGE NAME>
+    url = 'S3://<S3 BUCKET NAME>/data/'
+    storage_integration = <INTEGRATION NAME>;
+    ```
    note: SnowflakeIO requires that url must have /data/ as a sufix 
 3. [Create Key/Pair](https://docs.snowflake.com/en/user-guide/snowsql-start.html#using-key-pair-authentication)
 for authentication process.
@@ -133,10 +150,13 @@ for authentication process.
         --schema=<SNOWFLAKE SCHEMA> \
         --snowPipe=<SNOWFLAKE SNOWPIPE NAME> \
         --storageIntegrationName=<SNOWFLAKE STORAGE INTEGRATION NAME> \
-        --stagingBucketName=<GCS BUCKET NAME> \
+        --stagingBucketName=<GCS OR S3 BUCKET NAME> \
         --runner=<DirectRunner/DataflowRunner> \
         --project=<FOR DATAFLOW RUNNER: GCP PROJECT NAME> \
         --region=<FOR DATAFLOW RUNNER: GCP REGION> \
+        --awsRegion=<OPTIONAL: AWS REGION IN CASE OF USING S3> \ 
+        --awsAccessKey=<OPTIONAL: AWS ACCESS KEY IN CASE OF USING S3>\
+        --awsSecretKey=<OPTIONAL: AWS SECRET KEY IN CASE OF USING S3>\
         --appName=<OPTIONAL: DATAFLOW JOB NAME PREFIX>"
     ```
 2. Go to Snowflake console to check saved taxi rides:
@@ -166,7 +186,7 @@ list for currently supported runtime options.
         --templateLocation=gs://<GCS BUCKET NAME>/templates/<TEMPLATE NAME>\
         --region=<GCP REGION>\  
         --storageIntegrationName=<SNOWFLAKE STORAGE INTEGRATION NAME> \
-        --stagingBucketName=gs://<GCS BUCKET NAME>/ \
+        --stagingBucketName=<gs or s3>://<GCS OR S3 BUCKET NAME>/ \
         --username=<SNOWFLAKE USERNAME>\
         --database=<SNOWFLAKE DATABASE> \
         --schema=<SNOWFLAKE SCHEMA> \
@@ -225,7 +245,7 @@ list for currently supported runtime options.
 * --serverName= full server name with account, zone and domain.
 * --username= required for username/password and Private Key authentication.
 * --password= required for username/password authentication only
-* --stagingBucketName= external bucket path ending with `/`. I.e. `gs://bucket/`. Sub-directories are allowed.
+* --stagingBucketName= external bucket path ending with `/`. I.e. `<gs or s3>://bucket/`. Sub-directories are allowed.
 * --rawPrivateKey= raw private key. Required for Private Key authentication only.
 * --privateKeyPassphrase= private Key's passphrase. Required for Private Key authentication only.
 * --storageIntegrationName= storage integration name
@@ -297,7 +317,7 @@ python -m pip install apachebeam_snowflake.whl
     ```
 2. [Go to Flink console](http://localhost:8081/)
     ![Xlang Flink result](./images/xlang_flink_result.png)
-3. Go to GCS bucket to check saved files:
+3. Go to GCS or S3 bucket to check saved files:
     ![Xlang GCS result](./images/xlang_gcs_result.png)
 4. Check console
     ![Xlang console result](./images/xlang_console_result.png)

build.gradle

@@ -23,6 +23,7 @@ repositories {
 dependencies {
     testCompile group: 'junit', name: 'junit', version: '4.12'
     compile files('beam-sdks-java-io-snowflake-2.22.0-SNAPSHOT.jar')
+    compile 'org.apache.beam:beam-sdks-java-io-amazon-web-services:2.22.0'
     compile group: 'org.apache.beam', name: 'beam-sdks-java-core', version: '2.22.0'
     compile group: 'org.apache.beam', name: 'beam-runners-direct-java', version: '2.22.0'
     compile group: 'org.apache.beam', name: 'beam-runners-google-cloud-dataflow-java', version: '2.22.0'

src/main/java/batching/SnowflakeWordCountOptions.java

@@ -4,11 +4,13 @@
 import org.apache.beam.sdk.options.Default;
 import org.apache.beam.sdk.options.Description;
 import org.apache.beam.sdk.options.Validation.Required;
+import org.apache.beam.sdk.io.aws.options.S3Options;
+import util.AwsOptions;
 
 /**
  * Supported PipelineOptions used in provided examples.
  */
-public interface SnowflakeWordCountOptions extends SnowflakePipelineOptions {
+public interface SnowflakeWordCountOptions extends SnowflakePipelineOptions, AwsOptions, S3Options {
 
     @Description("Path of the file to read from")
     @Default.String("gs://apache-beam-samples/shakespeare/kinglear.txt")

src/main/java/batching/WordCountExample.java

@@ -23,10 +23,11 @@
 import org.apache.beam.sdk.values.PBegin;
 import org.apache.beam.sdk.values.PCollection;
 import org.apache.beam.sdk.values.PDone;
+import util.AwsOptionsParser;
 
 /**
  * An example that contains batch writing and reading from Snowflake. Inspired by Apache Beam/WordCount-example(https://github.com/apache/beam/blob/master/examples/java/src/main/java/org/apache/beam/examples/WordCount.java)
- *
+ * <p>
  * Check main README for more information.
  */
 public class WordCountExample {
@@ -35,11 +36,12 @@ public static void main(String[] args) {
         SnowflakeWordCountOptions options =
                 PipelineOptionsFactory.fromArgs(args).withValidation().as(SnowflakeWordCountOptions.class);
 
+        AwsOptionsParser.format(options);
+
         runWritingToSnowflake(options);
         runReadingFromSnowflake(options);
     }
 
-
     private static void runWritingToSnowflake(SnowflakeWordCountOptions options) {
         Pipeline p = Pipeline.create(options);
 

src/main/java/streaming/TaxiRidesExample.java

@@ -5,10 +5,10 @@
 import org.apache.beam.sdk.Pipeline;
 import org.apache.beam.sdk.io.gcp.pubsub.PubsubIO;
 import org.apache.beam.sdk.io.snowflake.SnowflakeIO;
-import org.apache.beam.sdk.io.snowflake.SnowflakePipelineOptions;
 import org.apache.beam.sdk.options.PipelineOptionsFactory;
 import org.apache.beam.sdk.transforms.ToString;
 import org.joda.time.Duration;
+import util.AwsOptionsParser;
 
 import java.util.UUID;
 
@@ -23,8 +23,10 @@ public class TaxiRidesExample {
     private static final String PUBSUB_TAX_RIDES = "projects/pubsub-public-data/topics/taxirides-realtime";
 
     public static void main(String[] args) {
-        SnowflakePipelineOptions options =
-                PipelineOptionsFactory.fromArgs(args).withValidation().as(SnowflakePipelineOptions.class);
+        TaxiRidesOptions options =
+                PipelineOptionsFactory.fromArgs(args).withValidation().as(TaxiRidesOptions.class);
+
+        AwsOptionsParser.format(options);
 
         Pipeline p = Pipeline.create(options);
 
@@ -44,15 +46,14 @@ public static void main(String[] args) {
                                 .withSnowPipe(options.getSnowPipe())
                                 .withFileNameTemplate(UUID.randomUUID().toString())
                                 .withFlushTimeLimit(Duration.millis(3000))
-                                .withDebugMode(SnowflakeIO.StreamingLogLevel.INFO)
                                 .withFlushRowLimit(100)
                                 .withQuotationMark("")
                                 .withShardsNumber(1));
 
         p.run();
     }
 
-    public static SnowflakeIO.DataSourceConfiguration createSnowflakeConfiguration(SnowflakePipelineOptions options) {
+    public static SnowflakeIO.DataSourceConfiguration createSnowflakeConfiguration(TaxiRidesOptions options) {
         return SnowflakeIO.DataSourceConfiguration.create()
                 .withKeyPairRawAuth(options.getUsername(), options.getRawPrivateKey(), options.getPrivateKeyPassphrase())
                 .withKeyPairPathAuth(options.getUsername(), options.getPrivateKeyPath(), options.getPrivateKeyPassphrase())

src/main/java/streaming/TaxiRidesOptions.java

@@ -0,0 +1,11 @@
+package streaming;
+
+import org.apache.beam.sdk.io.aws.options.S3Options;
+import org.apache.beam.sdk.io.snowflake.SnowflakePipelineOptions;
+import org.apache.beam.sdk.options.Default;
+import org.apache.beam.sdk.options.Description;
+import org.apache.beam.sdk.options.Validation.Required;
+import util.AwsOptions;
+
+public interface TaxiRidesOptions extends SnowflakePipelineOptions, AwsOptions, S3Options {
+}

src/main/java/util/AwsOptions.java

@@ -0,0 +1,23 @@
+package util;
+
+import org.apache.beam.sdk.io.aws.options.S3Options;
+import org.apache.beam.sdk.io.snowflake.SnowflakePipelineOptions;
+import org.apache.beam.sdk.options.Default;
+import org.apache.beam.sdk.options.Description;
+import org.apache.beam.sdk.options.Validation;
+import org.apache.beam.sdk.options.ValueProvider;
+
+public interface AwsOptions extends SnowflakePipelineOptions, S3Options {
+
+    @Description("AWS Access Key")
+    @Default.String("access_key")
+    String getAwsAccessKey();
+
+    void setAwsAccessKey(String awsAccessKey);
+
+    @Description("AWS secret key")
+    @Default.String("secret_key")
+    String getAwsSecretKey();
+
+    void setAwsSecretKey(String awsSecretKey);
+}

src/main/java/util/AwsOptionsParser.java

@@ -0,0 +1,18 @@
+package util;
+
+import com.amazonaws.auth.AWSStaticCredentialsProvider;
+import com.amazonaws.auth.BasicAWSCredentials;
+
+public class AwsOptionsParser {
+
+    private static final String AWS_S3_PREFIX = "s3";
+
+    public static void format(AwsOptions options) {
+        if (options.getStagingBucketName().get().toLowerCase().startsWith(AWS_S3_PREFIX)) {
+            options.setAwsCredentialsProvider(
+                    new AWSStaticCredentialsProvider(
+                            new BasicAWSCredentials(options.getAwsAccessKey(), options.getAwsSecretKey())));
+        }
+    }
+
+}