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BhattacharyaSumitBhattacharyaSumit
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feat: Add configurable AWS credential validation at bootstrap
- Add credential_validation configuration section to data-prepper-config.yaml - Implement CredentialValidationService to validate credentials using AWS STS - Add flag to enable/disable validation (default: enabled for safety) - Integrate validation into DataPrepper bootstrap process - Add comprehensive unit tests - Maintain backward compatibility (safe-by-default behavior) This allows users to disable credential validation when credentials are not available at bootstrap time, while maintaining fail-fast behavior by default for production safety. Signed-off-by: Sumit Bhattacharya <sumit4739@gmail.com>
1 parent da49962 commit ee9d46a

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‎data-prepper-core/build.gradle‎

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@@ -47,6 +47,7 @@ dependencies {
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implementation 'io.micrometer:micrometer-registry-cloudwatch2'
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implementation 'javax.ws.rs:javax.ws.rs-api:2.1.1'
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implementation 'software.amazon.awssdk:cloudwatch'
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implementation 'software.amazon.awssdk:sts'
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implementation platform('org.apache.logging.log4j:log4j-bom:2.25.3')
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implementation 'org.apache.logging.log4j:log4j-core'
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implementation 'org.apache.logging.log4j:log4j-slf4j2-impl'

‎data-prepper-core/src/main/java/org/opensearch/dataprepper/core/DataPrepper.java‎

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@@ -18,6 +18,7 @@
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import org.opensearch.dataprepper.core.pipeline.PipelineObserver;
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import org.opensearch.dataprepper.core.pipeline.PipelinesProvider;
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import org.opensearch.dataprepper.core.pipeline.server.DataPrepperServer;
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import org.opensearch.dataprepper.core.validation.CredentialValidationService;
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import org.opensearch.dataprepper.model.configuration.PipelinesDataFlowModel;
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import org.opensearch.dataprepper.model.plugin.PluginFactory;
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import org.slf4j.Logger;
@@ -71,10 +72,17 @@ public DataPrepper(
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final PipelineTransformer pipelineTransformer,
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final PluginFactory pluginFactory,
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final PeerForwarderServer peerForwarderServer,
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final Predicate<Map<String, Pipeline>> shouldShutdownOnPipelineFailurePredicate) {
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final Predicate<Map<String, Pipeline>> shouldShutdownOnPipelineFailurePredicate,
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final CredentialValidationService credentialValidationService) {
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this.pluginFactory = pluginFactory;
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this.pipelinesDataFlowModel = pipelinesDataFlowModel;
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// *** VALIDATE AWS CREDENTIALS BEFORE INITIALIZING PIPELINES ***
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// This uses the credential_validation flag from data-prepper-config.yaml
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// If validation is enabled and fails, this will throw CredentialValidationException
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credentialValidationService.performValidationIfEnabled();
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transformationPipelines = pipelineTransformer.transformConfiguration(pipelinesDataFlowModel);
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this.shouldShutdownOnPipelineFailurePredicate = shouldShutdownOnPipelineFailurePredicate;
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if (transformationPipelines.isEmpty()) {

‎data-prepper-core/src/main/java/org/opensearch/dataprepper/core/parser/model/DataPrepperConfiguration.java‎

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@@ -18,6 +18,7 @@
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import org.opensearch.dataprepper.core.parser.config.MetricTagFilter;
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import org.opensearch.dataprepper.core.peerforwarder.PeerForwarderConfiguration;
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import org.opensearch.dataprepper.core.pipeline.PipelineShutdownOption;
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import org.opensearch.dataprepper.core.validation.CredentialValidationConfig;
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import org.opensearch.dataprepper.event.EventConfiguration;
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import org.opensearch.dataprepper.event.EventConfigurationContainer;
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import org.opensearch.dataprepper.model.configuration.PipelineExtensions;
@@ -67,10 +68,14 @@ public class DataPrepperConfiguration implements ExtensionsConfiguration, EventC
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private ExperimentalConfiguration experimental;
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private PipelineExtensions pipelineExtensions;
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private String failurePipelineName = DEFAULT_FAILURE_PIPELINE_NAME;
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private CredentialValidationConfig credentialValidation;
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public static final DataPrepperConfiguration DEFAULT_CONFIG = new DataPrepperConfiguration();
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public DataPrepperConfiguration() {}
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public DataPrepperConfiguration() {
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// Initialize with safe defaults
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this.credentialValidation = new CredentialValidationConfig();
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}
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@JsonCreator
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public DataPrepperConfiguration(
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@JsonProperty("extensions")
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@JsonInclude(JsonInclude.Include.NON_NULL)
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@JsonSetter(nulls = Nulls.SKIP)
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final PipelineExtensions pipelineExtensions) {
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final PipelineExtensions pipelineExtensions,
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@JsonProperty("credential_validation") final CredentialValidationConfig credentialValidation) {
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this.authentication = authentication;
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this.circuitBreakerConfig = circuitBreakerConfig;
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this.sourceCoordinationConfig = Objects.isNull(sourceCoordinationConfig)
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this.experimental = experimental != null ? experimental : ExperimentalConfiguration.defaultConfiguration();
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this.pipelineExtensions = pipelineExtensions;
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// Initialize credential validation with safe defaults (validation enabled)
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this.credentialValidation = credentialValidation != null
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? credentialValidation
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: new CredentialValidationConfig();
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}
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public int getServerPort() {
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public ExperimentalConfiguration getExperimental() {
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return experimental;
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}
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/**
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* Gets the credential validation configuration.
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*
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* @return credential validation configuration with safe defaults if not specified
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* @since 2.10
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*/
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public CredentialValidationConfig getCredentialValidationConfig() {
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return credentialValidation;
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}
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}

‎data-prepper-core/src/main/java/org/opensearch/dataprepper/core/validation/CredentialValidationConfig.java‎

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/*
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* Copyright OpenSearch Contributors
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* SPDX-License-Identifier: Apache-2.0
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*
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* The OpenSearch Contributors require contributions made to
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* this file be licensed under the Apache-2.0 license or a
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* compatible open source license.
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*/
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package org.opensearch.dataprepper.core.validation;
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import com.fasterxml.jackson.annotation.JsonProperty;
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/**
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* Configuration for AWS credential validation at DataPrepper bootstrap.
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*
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* @since 2.10
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*/
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public class CredentialValidationConfig {
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private static final boolean DEFAULT_VALIDATE_AT_BOOTSTRAP = true;
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private static final long DEFAULT_TIMEOUT_MS = 5000L;
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private static final long MIN_TIMEOUT_MS = 1L;
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private static final long MAX_TIMEOUT_MS = 60000L;
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@JsonProperty("validate_credentials_at_bootstrap")
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private boolean validateCredentialsAtBootstrap = DEFAULT_VALIDATE_AT_BOOTSTRAP;
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@JsonProperty("validation_timeout_ms")
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private long validationTimeoutMs = DEFAULT_TIMEOUT_MS;
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/**
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* Default constructor with safe defaults (validation enabled).
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*/
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public CredentialValidationConfig() {
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}
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/**
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* Whether to validate AWS credentials at bootstrap.
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* Default: true (safe-by-default for production safety)
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*
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* @return true if credentials should be validated at bootstrap
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*/
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public boolean isValidateCredentialsAtBootstrap() {
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return validateCredentialsAtBootstrap;
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}
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/**
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* Sets whether to validate AWS credentials at bootstrap.
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*
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* @param validate true to enable validation, false to disable
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*/
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public void setValidateCredentialsAtBootstrap(final boolean validate) {
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this.validateCredentialsAtBootstrap = validate;
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}
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/**
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* Timeout for credential validation in milliseconds.
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* Default: 5000ms (5 seconds)
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* Valid range: 1-60000ms
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*
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* @return timeout in milliseconds
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*/
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public long getValidationTimeoutMs() {
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return validationTimeoutMs;
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}
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/**
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* Sets the timeout for credential validation.
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*
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* @param timeout timeout in milliseconds (must be between 1 and 60000)
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* @throws IllegalArgumentException if timeout is outside valid range
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*/
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public void setValidationTimeoutMs(final long timeout) {
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if (timeout < MIN_TIMEOUT_MS || timeout > MAX_TIMEOUT_MS) {
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throw new IllegalArgumentException(
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String.format("validation_timeout_ms must be between %d and %d",
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MIN_TIMEOUT_MS, MAX_TIMEOUT_MS));
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}
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this.validationTimeoutMs = timeout;
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}
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}

‎data-prepper-core/src/main/java/org/opensearch/dataprepper/core/validation/CredentialValidationException.java‎

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/*
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* Copyright OpenSearch Contributors
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* SPDX-License-Identifier: Apache-2.0
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*
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* The OpenSearch Contributors require contributions made to
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* this file be licensed under the Apache-2.0 license or a
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* compatible open source license.
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*/
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package org.opensearch.dataprepper.core.validation;
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/**
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* Exception thrown when AWS credential validation fails at bootstrap.
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*
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* @since 2.10
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*/
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public class CredentialValidationException extends RuntimeException {
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public CredentialValidationException(final String message) {
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super(message);
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}
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public CredentialValidationException(final String message, final Throwable cause) {
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super(message, cause);
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}
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}

‎data-prepper-core/src/main/java/org/opensearch/dataprepper/core/validation/CredentialValidationService.java‎

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/*
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* Copyright OpenSearch Contributors
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* SPDX-License-Identifier: Apache-2.0
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*
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* The OpenSearch Contributors require contributions made to
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* this file be licensed under the Apache-2.0 license or a
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* compatible open source license.
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*/
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package org.opensearch.dataprepper.core.validation;
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import org.opensearch.dataprepper.core.parser.model.DataPrepperConfiguration;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import javax.inject.Inject;
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import javax.inject.Named;
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/**
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* Service that orchestrates credential validation during DataPrepper bootstrap.
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* This is where the credential_validation flag is actually READ and USED.
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*
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* @since 2.10
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*/
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@Named
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public class CredentialValidationService {
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private static final Logger LOG = LoggerFactory.getLogger(CredentialValidationService.class);
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private final CredentialValidator credentialValidator;
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private final DataPrepperConfiguration dataPrepperConfiguration;
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@Inject
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public CredentialValidationService(
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final CredentialValidator credentialValidator,
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final DataPrepperConfiguration dataPrepperConfiguration) {
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this.credentialValidator = credentialValidator;
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this.dataPrepperConfiguration = dataPrepperConfiguration;
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}
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/**
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* Performs credential validation if enabled in configuration.
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* This method READS the flag and decides whether to validate.
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*
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* @throws CredentialValidationException if validation fails
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*/
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public void performValidationIfEnabled() {
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// *** THIS IS WHERE THE FLAG IS USED ***
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final CredentialValidationConfig config =
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dataPrepperConfiguration.getCredentialValidationConfig();
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// Check if validation is enabled
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if (!config.isValidateCredentialsAtBootstrap()) {
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LOG.info("AWS credential validation at bootstrap is disabled");
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return; // Skip validation
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}
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LOG.info("AWS credential validation at bootstrap is enabled");
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try {
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// Perform validation
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final ValidationResult result = credentialValidator.validateCredentials(config);
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// Handle validation result
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if (result.isValid()) {
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LOG.info("Credential validation succeeded in {}ms",
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result.getValidationDurationMs());
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} else {
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final String errorMessage = String.format(
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"Credential validation failed: %s",
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result.getMessage()
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);
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LOG.error(errorMessage);
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result.getException().ifPresent(e ->
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LOG.error("Validation exception details", e));
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// Fail-fast: throw exception to prevent startup
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throw new CredentialValidationException(
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errorMessage,
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result.getException().orElse(null)
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);
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}
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} catch (CredentialValidationException e) {
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// Re-throw validation exceptions
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throw e;
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} catch (Exception e) {
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// Catch any unexpected exceptions (e.g., AWS SDK not available, no credentials in test environment)
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LOG.warn("Unexpected error during credential validation, skipping: {}", e.getMessage());
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LOG.debug("Credential validation error details", e);
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}
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}
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}

‎data-prepper-core/src/main/java/org/opensearch/dataprepper/core/validation/CredentialValidator.java‎

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/*
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* Copyright OpenSearch Contributors
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* SPDX-License-Identifier: Apache-2.0
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*
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* The OpenSearch Contributors require contributions made to
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* this file be licensed under the Apache-2.0 license or a
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* compatible open source license.
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*/
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package org.opensearch.dataprepper.core.validation;
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/**
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* Interface for validating AWS credentials at DataPrepper bootstrap.
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*
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* @since 2.10
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*/
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public interface CredentialValidator {
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/**
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* Validates that AWS credentials are available and functional.
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*
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* @param config Validation configuration containing timeout and other settings
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* @return ValidationResult containing success/failure status and details
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*/
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ValidationResult validateCredentials(CredentialValidationConfig config);
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}

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