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Add Assumed Role ARN as a config option #20

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Add Assumed Role ARN as a config option #20

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8bba04c
Add config constants for role arn and define them in the config def, …
breecoffey-fetch May 12, 2022
5b9dae7
Pass in the assumeRoleArn field from the config file to use it for pr…
breecoffey-fetch May 12, 2022
8b1d686
Add unit tests for getCredentials with different combinations of inputs
breecoffey-fetch May 12, 2022
6ea540c
Update options with new config parameter
breecoffey-fetch May 12, 2022
090a390
Merge branch 'master' into add-assumed-role-arn
psheets Mar 3, 2023
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3 changes: 3 additions & 0 deletions docs/options.md
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Original file line number Diff line number Diff line change
Expand Up @@ -20,6 +20,7 @@
"aws.region": "eu-west-1",
"aws.access.key.id": "",
"aws.secret.key": "",
"aws.assume.role.arn": "",

"dynamodb.table.env.tag.key": "environment",
"dynamodb.table.env.tag.value": "dev",
Expand All @@ -38,6 +39,8 @@
"connect.dynamodb.rediscovery.period": "60000"
}
```
`aws.assume.role.arn` - ARN identifier of an IAM role that the KCL and Dynamo Clients can assume for cross account access

`dynamodb.table.env.tag.key` - tag key used to define environment. Useful if you have `staging` and `production` under same AWS account. Or if you want to use different Kafka Connect clusters to sync different tables.

`dynamodb.table.env.tag.value` - defines from which environment to ingest tables. For e.g. 'staging' or 'production'...
Expand Down
6 changes: 4 additions & 2 deletions source/src/main/java/com/trustpilot/connector/dynamodb/DynamoDBSourceConnector.java
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Expand Up @@ -57,12 +57,14 @@ public void start(Map<String, String> properties) {
AwsClients.buildAWSResourceGroupsTaggingAPIClient(config.getAwsRegion(),
config.getResourceTaggingServiceEndpoint(),
config.getAwsAccessKeyIdValue(),
config.getAwsSecretKeyValue());
config.getAwsSecretKeyValue(),
config.getAwsAssumeRoleArn());

AmazonDynamoDB dynamoDBClient = AwsClients.buildDynamoDbClient(config.getAwsRegion(),
config.getDynamoDBServiceEndpoint(),
config.getAwsAccessKeyIdValue(),
config.getAwsSecretKeyValue());
config.getAwsSecretKeyValue(),
config.getAwsAssumeRoleArn());

if (tablesProvider == null) {
if (config.getWhitelistTables() != null) {
Expand Down
18 changes: 18 additions & 0 deletions source/src/main/java/com/trustpilot/connector/dynamodb/DynamoDBSourceConnectorConfig.java
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Expand Up @@ -57,6 +57,11 @@ public class DynamoDBSourceConnectorConfig extends AbstractConfig {
public static final String SRC_KCL_TABLE_BILLING_MODE_DISPLAY = "KCL table billing mode";
public static final String SRC_KCL_TABLE_BILLING_MODE_DEFAULT = "PROVISIONED";

public static final String AWS_ASSUME_ROLE_ARN_CONFIG = "aws.assume.role.arn";
public static final String AWS_ASSUME_ROLE_ARN_DOC = "Define which role arn the KCL/Dynamo Client should assume.";
public static final String AWS_ASSUME_ROLE_ARN_DISPLAY = "Assume Role Arn";
public static final String AWS_ASSUME_ROLE_ARN_DEFAULT = null;

public static final String DST_TOPIC_PREFIX_CONFIG = "kafka.topic.prefix";
public static final String DST_TOPIC_PREFIX_DOC = "Define Kafka topic destination prefix. End will be the name of a table.";
public static final String DST_TOPIC_PREFIX_DISPLAY = "Topic prefix";
Expand Down Expand Up @@ -181,6 +186,15 @@ public static ConfigDef baseConfigDef() {
ConfigDef.Width.MEDIUM,
SRC_KCL_TABLE_BILLING_MODE_DISPLAY)

.define(AWS_ASSUME_ROLE_ARN_CONFIG,
ConfigDef.Type.STRING,
AWS_ASSUME_ROLE_ARN_DEFAULT,
ConfigDef.Importance.LOW,
AWS_ASSUME_ROLE_ARN_DOC,
AWS_GROUP, 10,
ConfigDef.Width.LONG,
AWS_ASSUME_ROLE_ARN_DISPLAY)

.define(DST_TOPIC_PREFIX_CONFIG,
ConfigDef.Type.STRING,
DST_TOPIC_PREFIX_DEFAULT,
Expand Down Expand Up @@ -272,4 +286,8 @@ public List<String> getWhitelistTables() {
public BillingMode getKCLTableBillingMode() {
return BillingMode.fromValue(getString(SRC_KCL_TABLE_BILLING_MODE_CONFIG));
}

public String getAwsAssumeRoleArn() {
return getString(AWS_ASSUME_ROLE_ARN_CONFIG);
}
}
8 changes: 5 additions & 3 deletions source/src/main/java/com/trustpilot/connector/dynamodb/DynamoDBSourceTask.java
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Expand Up @@ -118,7 +118,8 @@ public void start(Map<String, String> configProperties) {
config.getAwsRegion(),
config.getDynamoDBServiceEndpoint(),
config.getAwsAccessKeyIdValue(),
config.getAwsSecretKeyValue());
config.getAwsSecretKeyValue(),
config.getAwsAssumeRoleArn());
}
tableDesc = client.describeTable(config.getTableName()).getTable();

Expand All @@ -142,11 +143,12 @@ public void start(Map<String, String> configProperties) {
config.getAwsRegion(),
config.getDynamoDBServiceEndpoint(),
config.getAwsAccessKeyIdValue(),
config.getAwsSecretKeyValue());
config.getAwsSecretKeyValue(),
config.getAwsAssumeRoleArn());

if (kclWorker == null) {
kclWorker = new KclWorkerImpl(
AwsClients.getCredentials(config.getAwsAccessKeyIdValue(), config.getAwsSecretKeyValue()),
AwsClients.getCredentials(config.getAwsAccessKeyIdValue(), config.getAwsSecretKeyValue(), config.getAwsAssumeRoleArn()),
eventsQueue,
shardRegister);
}
Expand Down
36 changes: 25 additions & 11 deletions source/src/main/java/com/trustpilot/connector/dynamodb/aws/AwsClients.java
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Expand Up @@ -5,6 +5,7 @@
import com.amazonaws.auth.AWSStaticCredentialsProvider;
import com.amazonaws.auth.BasicAWSCredentials;
import com.amazonaws.auth.DefaultAWSCredentialsProviderChain;
import com.amazonaws.auth.STSAssumeRoleSessionCredentialsProvider;
import com.amazonaws.client.builder.AwsClientBuilder;
import com.amazonaws.services.dynamodbv2.AmazonDynamoDB;
import com.amazonaws.services.dynamodbv2.AmazonDynamoDBClientBuilder;
Expand All @@ -22,44 +23,56 @@ public class AwsClients {
public static AmazonDynamoDB buildDynamoDbClient(String awsRegion,
String serviceEndpoint,
String awsAccessKeyID,
String awsSecretKey) {

String awsSecretKey,
String awsAssumeRoleArn) {

return (AmazonDynamoDB) configureBuilder(
AmazonDynamoDBClientBuilder.standard(),
awsRegion, serviceEndpoint,
awsAccessKeyID,
awsSecretKey)
awsSecretKey,
awsAssumeRoleArn)
.build();
}

public static AWSResourceGroupsTaggingAPI buildAWSResourceGroupsTaggingAPIClient(String awsRegion,
String serviceEndpoint,
String awsAccessKeyID,
String awsSecretKey) {
String awsSecretKey,
String awsAssumeRoleArn) {
return (AWSResourceGroupsTaggingAPI) configureBuilder(
AWSResourceGroupsTaggingAPIClientBuilder.standard(),
awsRegion, serviceEndpoint,
awsAccessKeyID,
awsSecretKey)
awsSecretKey,
awsAssumeRoleArn)
.build();
}

public static AmazonDynamoDBStreams buildDynamoDbStreamsClient(String awsRegion,
String serviceEndpoint,
String awsAccessKeyID,
String awsSecretKey) {
String awsSecretKey,
String awsAssumeRoleArn) {
return (AmazonDynamoDBStreams) configureBuilder(
AmazonDynamoDBStreamsClientBuilder.standard(),
awsRegion, serviceEndpoint,
awsAccessKeyID,
awsSecretKey)
awsSecretKey,
awsAssumeRoleArn)
.build();

}

public static AWSCredentialsProvider getCredentials(String awsAccessKeyID, String awsSecretKey) {
if (awsAccessKeyID == null || awsSecretKey == null) {
public static AWSCredentialsProvider getCredentials(String awsAccessKeyID,
String awsSecretKey,
String awsAssumeRoleArn) {
if (awsAssumeRoleArn != null ) {
LOGGER.debug("Using STSAssumeRoleSessionCredentialsProvider");
AWSCredentialsProvider awsCredentialsProviderChain = DefaultAWSCredentialsProviderChain.getInstance();
return new STSAssumeRoleSessionCredentialsProvider(awsCredentialsProviderChain,
awsAssumeRoleArn, "kafkaconnect");
} else if (awsAccessKeyID == null || awsSecretKey == null) {
LOGGER.debug("Using DefaultAWSCredentialsProviderChain");

return DefaultAWSCredentialsProviderChain.getInstance();
Expand All @@ -75,9 +88,10 @@ private static AwsClientBuilder configureBuilder(AwsClientBuilder builder,
String awsRegion,
String serviceEndpoint,
String awsAccessKeyID,
String awsSecretKey) {
String awsSecretKey,
String awsAssumeRoleArn) {

builder.withCredentials(getCredentials(awsAccessKeyID, awsSecretKey))
builder.withCredentials(getCredentials(awsAccessKeyID, awsSecretKey, awsAssumeRoleArn))
.withClientConfiguration(new ClientConfiguration().withThrottledRetries(true));

if(serviceEndpoint != null && !serviceEndpoint.isEmpty()) {
Expand Down
4 changes: 3 additions & 1 deletion source/src/test/java/com/trustpilot/connector/dynamodb/KafkaConnectITBase.java
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Expand Up @@ -48,6 +48,7 @@ public class KafkaConnectITBase {
protected static final String AWS_REGION_CONFIG = "eu-west-3";
protected static final String AWS_ACCESS_KEY_ID_CONFIG = "ABCD";
protected static final String AWS_SECRET_KEY_CONFIG = "1234";
protected static final String AWS_ASSUME_ROLE_ARN_CONFIG = null;
protected static final String SRC_DYNAMODB_TABLE_INGESTION_TAG_KEY_CONFIG = "datalake-ingest";

private static Network network;
Expand Down Expand Up @@ -187,7 +188,8 @@ private AmazonDynamoDB getDynamoDBClient() {
AWS_REGION_CONFIG,
dynamodb.getEndpoint(),
AWS_ACCESS_KEY_ID_CONFIG,
AWS_SECRET_KEY_CONFIG
AWS_SECRET_KEY_CONFIG,
AWS_ASSUME_ROLE_ARN_CONFIG
);
}

Expand Down
53 changes: 53 additions & 0 deletions source/src/test/java/com/trustpilot/connector/dynamodb/aws/AwsClientsTests.java
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@@ -0,0 +1,53 @@
package com.trustpilot.connector.dynamodb.aws;

import com.amazonaws.auth.AWSCredentialsProvider;
import com.amazonaws.auth.AWSStaticCredentialsProvider;
import com.amazonaws.auth.DefaultAWSCredentialsProviderChain;
import com.amazonaws.auth.STSAssumeRoleSessionCredentialsProvider;
import org.junit.jupiter.api.Test;
import org.mockito.Mockito;

import static org.junit.jupiter.api.Assertions.assertEquals;

public class AwsClientsTests {

@Test
public void stsAssumeRoleProviderReturned() {
String testRoleArn = "arn:aws:iam::111111111111:role/unit-test";
AWSCredentialsProvider provider = AwsClients.getCredentials(
null,
null,
testRoleArn
);

DefaultAWSCredentialsProviderChain testChain = Mockito.mock(DefaultAWSCredentialsProviderChain.class);
STSAssumeRoleSessionCredentialsProvider expectedProvider = new STSAssumeRoleSessionCredentialsProvider(
testChain.getInstance(),
testRoleArn,
"kafkaconnect"
);
assertEquals(provider.getClass(), expectedProvider.getClass());
}

@Test
public void defaultProviderReturned() {
AWSCredentialsProvider provider = AwsClients.getCredentials(
null,
null,
null
);

assertEquals(provider.getClass(), DefaultAWSCredentialsProviderChain.class);
}

@Test
public void staticCredentialsReturned() {
AWSCredentialsProvider provider = AwsClients.getCredentials(
"unit-test",
"unit-test",
null
);

assertEquals(provider.getClass(), AWSStaticCredentialsProvider.class);
}
}