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upgrade to SB 3.4 and polish observability #130

Merged
merged 4 commits into from
Dec 24, 2024
Merged

upgrade to SB 3.4 and polish observability #130

merged 4 commits into from
Dec 24, 2024

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rajadilipkolli
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@rajadilipkolli rajadilipkolli self-assigned this Dec 24, 2024
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coderabbitai bot commented Dec 24, 2024

Walkthrough

This pull request introduces significant changes to the RAG (Retrieval-Augmented Generation) Spring AI project, focusing on shifting from Redis to PgVector for vector storage, updating configuration management, and refactoring the AI chat service. The modifications include removing the REST client configuration, updating the AI chat service logic, modifying application properties, and adjusting the Testcontainers configuration to support PostgreSQL instead of Redis.

Changes

File Change Summary
rag/.../RestClientBuilderConfig.java Removed Spring configuration class for REST client timeout settings
rag/.../AIChatService.java Refactored chat service with new imports, updated constructor and chat method logic
application.properties Added PgVector properties, removed Redis configurations, updated timeout and logging settings
rag/.../TestcontainersConfiguration.java Replaced Redis container with PostgreSQL container, updated LGTM stack container version
rag/.../DataIndexerService.java Enhanced null safety in the count method
application-local.properties Added development properties for vector store and Ollama service

Sequence Diagram

sequenceDiagram
    participant User
    participant AIChatService
    participant VectorStoreDocumentRetriever
    participant ContextualQueryAugmenter
    participant RetrievalAugmentationAdvisor
    participant AIClient

    User->>AIChatService: Send query
    AIChatService->>VectorStoreDocumentRetriever: Retrieve relevant documents
    AIChatService->>ContextualQueryAugmenter: Augment query
    AIChatService->>RetrievalAugmentationAdvisor: Create advisor
    AIChatService->>AIClient: Process augmented query
    AIClient-->>AIChatService: Return response
    AIChatService-->>User: Provide chat response
Loading

Possibly related PRs

  • upgrade to 1.0.0-SNAPSHOT #57: The changes in AIChatService.java involve modifications to the constructor and method signatures that directly relate to the chat functionality, which is also impacted by the removal of the RestClientBuilderConfig.java class in the main PR.
  • feat : upgrade to milestone 1.0.0-M1 #62: The updates in AIChatService.java regarding the initialization of aiClient and the use of QuestionAnswerAdvisor are relevant as they reflect a shift in how chat interactions are handled, which connects to the removal of the REST client configuration.
  • polish chat and move to pgvector #129: The modifications in ChatConfig.java that involve the chatClient method and the QuestionAnswerAdvisor are directly related to the changes in the main PR, as they both deal with the configuration of chat services.
  • feat : upgrade to spring boot 3.4.1 & polish #134: The changes in AIChatService.java regarding the constructor and method calls for chat functionality are relevant as they reflect a similar restructuring of chat service interactions, which aligns with the removal of the REST client configuration in the main PR.

Poem

🐰 A Rabbit's Ode to Code Transformation

From Redis to PgVector, we leap and we bound,
Configurations dancing, new patterns abound!
Timeouts reset, services refined,
A technological tango, brilliantly designed!
Hop, hop, hurrah for code's sweet migration! 🚀


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Actionable comments posted: 3

🧹 Nitpick comments (5)
rag/rag-springai-ollama-llm/src/test/java/com/learning/ai/llmragwithspringai/config/TestcontainersConfiguration.java (1)

29-31: Consider customizing the container configuration for test isolation.

By default, PostgreSQLContainer provides ephemeral credentials and port mappings, which is often sufficient. However, if advanced scenarios (like test parallelization or custom credentials) are needed, you can further configure the container via environment variables or constructor parameters as needed.

rag/rag-springai-ollama-llm/src/main/java/com/learning/ai/llmragwithspringai/service/AIChatService.java (2)

32-37: Parameterize the similarity threshold for flexibility.
While 0.50 might be a sensible default, you may wish to expose this as a configuration property, enabling easier tuning.


54-54: Clean return value but consider null or empty responses.
Check whether the aiClient might return null or an empty string, and guard accordingly to provide better user feedback.

rag/rag-springai-ollama-llm/src/main/resources/application.properties (2)

18-19: Consider shorter timeouts with retry mechanism

The current timeout values (1m connect, 5m read) are quite long and might impact user experience. Consider:

  • Reducing timeouts to more reasonable values (e.g., 10s connect, 30s read)
  • Implementing a retry mechanism for failed requests
-spring.http.client.connect-timeout=PT1M
-spring.http.client.read-timeout=PT5M
+spring.http.client.connect-timeout=PT10S
+spring.http.client.read-timeout=PT30S
+spring.cloud.httpclient.ok-http.retry.max-attempts=3
+spring.cloud.httpclient.ok-http.retry.initial-interval=1000

34-34: Consider environment-specific logging levels

Debug logging for org.springframework.ai.rag might generate excessive logs in production.

Consider moving this to an environment-specific properties file (e.g., application-local.properties):

-logging.level.org.springframework.ai.rag=debug
+# In application-local.properties only:
+logging.level.org.springframework.ai.rag=debug
+# In application.properties:
+logging.level.org.springframework.ai.rag=info
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📥 Commits

Reviewing files that changed from the base of the PR and between 4b4ac3a and eb33e44.

⛔ Files ignored due to path filters (2)
  • rag/rag-springai-ollama-llm/pom.xml is excluded by !**/*.xml
  • rag/rag-springai-ollama-llm/src/main/resources/logback-spring.xml is excluded by !**/*.xml
📒 Files selected for processing (4)
  • rag/rag-springai-ollama-llm/src/main/java/com/learning/ai/llmragwithspringai/config/RestClientBuilderConfig.java (0 hunks)
  • rag/rag-springai-ollama-llm/src/main/java/com/learning/ai/llmragwithspringai/service/AIChatService.java (2 hunks)
  • rag/rag-springai-ollama-llm/src/main/resources/application.properties (1 hunks)
  • rag/rag-springai-ollama-llm/src/test/java/com/learning/ai/llmragwithspringai/config/TestcontainersConfiguration.java (2 hunks)
💤 Files with no reviewable changes (1)
  • rag/rag-springai-ollama-llm/src/main/java/com/learning/ai/llmragwithspringai/config/RestClientBuilderConfig.java
🔇 Additional comments (9)
rag/rag-springai-ollama-llm/src/test/java/com/learning/ai/llmragwithspringai/config/TestcontainersConfiguration.java (2)

8-8: Verify that the imported container library versions align with your project's dependencies.

The PostgreSQLContainer import looks good. However, ensure that the testcontainers library version used in this project matches the new container references, including pgvector.


35-37: Ensure the updated image tag meets your observability requirements.

You've updated the LgtmStackContainer to tag 0.8.1. Double-check the plugin or feature support in 0.8.1 to confirm that it satisfies any new observability or tracing requirements introduced in this PR. Also verify that the 2 minute startup timeout accommodates potential slow resource allocation in CI environments.

rag/rag-springai-ollama-llm/src/main/java/com/learning/ai/llmragwithspringai/service/AIChatService.java (6)

6-9: Imports are well-organized and consistent with the new retrieval-augmented approach.
These imports cleanly reference the new classes, aligning with the RAG (Retrieval-Augmented Generation) workflow. No issues identified.


25-25: Updated placeholder in the template ensures clarity.
Replacing the placeholder with {query} is straightforward and improves readability. Ensure that any code referencing the older placeholder is updated to avoid mismatches.


38-42: Allowing empty context can lead to greater adaptability but may increase hallucinations.
Be mindful that enabling an empty context might lower the model’s grounding. Consider employing guardrails or fallback strategies when no relevant context is found.


43-47: Advisor creation is consistent with the new RAG flow.
This chain of configuring the retriever and query augmenter is cohesive. No issues identified.


48-48: Cloning the builder to inject the new advisors is a clean pattern.
This approach avoids side effects on the original builder instance and fosters a well-contained configuration.


52-52: Consider error handling when calling the chat client.
The .call() method could potentially fail. You may want to add try-catch or handle error responses to avoid uncaught exceptions.

rag/rag-springai-ollama-llm/src/main/resources/application.properties (1)

6-11: LGTM: Ollama AI configuration is well-tuned for RAG

The configuration uses appropriate values for RAG implementation:

  • Pull strategy prevents unnecessary model downloads
  • Temperature (0.3) and sampling parameters are well-balanced for deterministic responses

Comment on lines 28 to +32
management.endpoints.web.exposure.include=*
management.metrics.tags.service.name=${spring.application.name}
management.tracing.sampling.probability=1.0
management.otlp.tracing.endpoint=http://localhost:4318/v1/traces
management.otlp.logging.endpoint=http://localhost:4318/v1/logs
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⚠️ Potential issue

Security: Restrict management endpoint exposure

Exposing all management endpoints (management.endpoints.web.exposure.include=*) could pose a security risk in production environments.

Consider:

  1. Limiting exposed endpoints to necessary ones only
  2. Securing the endpoints with appropriate authentication
-management.endpoints.web.exposure.include=*
+management.endpoints.web.exposure.include=health,metrics,prometheus,info
+management.endpoints.web.exposure.exclude=env,beans
📝 Committable suggestion

‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.

Suggested change
management.endpoints.web.exposure.include=*
management.metrics.tags.service.name=${spring.application.name}
management.tracing.sampling.probability=1.0
management.otlp.tracing.endpoint=http://localhost:4318/v1/traces
management.otlp.logging.endpoint=http://localhost:4318/v1/logs
management.endpoints.web.exposure.include=health,metrics,prometheus,info
management.endpoints.web.exposure.exclude=env,beans
management.metrics.tags.service.name=${spring.application.name}
management.tracing.sampling.probability=1.0
management.otlp.tracing.endpoint=http://localhost:4318/v1/traces
management.otlp.logging.endpoint=http://localhost:4318/v1/logs

Comment on lines 36 to 38
## only for development
spring.ai.vectorstore.pgvector.removeExistingVectorStoreTable=true
spring.ai.ollama.baseUrl=http://localhost:11434
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🛠️ Refactor suggestion

Separate development configuration

Development-specific settings should be moved to a dedicated profile configuration file.

Create application-local.properties and move these settings there:

-## only for development
-spring.ai.vectorstore.pgvector.removeExistingVectorStoreTable=true
-spring.ai.ollama.baseUrl=http://localhost:11434

This helps prevent accidental activation of development settings in other environments.

Committable suggestion skipped: line range outside the PR's diff.

Comment on lines +14 to +16
#PgVector
spring.ai.vectorstore.observations.include-query-response=true
spring.ai.vectorstore.pgvector.initialize-schema=true
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💡 Codebase verification

Missing required PostgreSQL connection properties for PgVector

The PgVector configuration is incomplete. Based on the example from pgvector-springai, the following essential properties are missing:

  • spring.datasource.url
  • spring.datasource.username
  • spring.datasource.password

These properties should be added to either application.properties or application-local.properties (which currently doesn't exist) to ensure proper connection to the PostgreSQL database with PgVector extension.

Example of required properties:

spring.datasource.url=jdbc:postgresql://localhost/appdb
spring.datasource.username=appuser
spring.datasource.password=secret
🔗 Analysis chain

Verify PgVector connection properties

While schema initialization is configured, the PostgreSQL connection properties appear to be missing. These are typically required for PgVector to function.

Let's check if these properties are defined elsewhere:

🏁 Scripts executed

The following scripts were executed for the analysis:

Script:

#!/bin/bash
# Search for PostgreSQL connection properties in all property files
fd -e properties -e yaml | xargs rg -l "spring\.datasource\.(url|username|password)"

Length of output: 403


Script:

#!/bin/bash
# Let's check the content of application-local.properties in the same directory
cat rag/rag-springai-ollama-llm/src/main/resources/application-local.properties 2>/dev/null || echo "File not found"

# Also check if there are any other property files in the same directory
ls rag/rag-springai-ollama-llm/src/main/resources/

# Let's also examine one of the found PgVector examples to see the required properties
cat embeddingstores/pgvector-springai/src/main/resources/application-local.properties

Length of output: 428

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Actionable comments posted: 3

♻️ Duplicate comments (2)
rag/rag-springai-ollama-llm/src/main/resources/application.properties (2)

14-16: ⚠️ Potential issue

Critical: Missing PostgreSQL connection configuration

While PgVector initialization is configured, the essential PostgreSQL connection properties are missing:

spring.datasource.url=jdbc:postgresql://localhost:5432/your_database
spring.datasource.username=your_username
spring.datasource.password=your_password

28-28: ⚠️ Potential issue

Security: Restrict management endpoint exposure

Exposing all management endpoints (management.endpoints.web.exposure.include=*) could pose a security risk in production environments.

🧹 Nitpick comments (5)
rag/rag-springai-ollama-llm/src/main/java/com/learning/ai/llmragwithspringai/service/DataIndexerService.java (1)

67-67: Consider providing a custom error message or fallback
Objects.requireNonNull(this.vectorStore.similaritySearch("*")) will throw a NullPointerException with a generic message if similaritySearch("*") happens to return null. If that scenario is possible, a custom message or a fallback approach can make it easier to debug and handle.

rag/rag-springai-ollama-llm/src/main/resources/application-local.properties (2)

1-2: Add a warning comment for the destructive configuration

The removeExistingVectorStoreTable=true setting is destructive and should be clearly marked as development-only. Consider adding a prominent warning comment.

-## only for development
+## WARNING: Development-only configuration
+## The following setting will DELETE existing vector store data on startup
 spring.ai.vectorstore.pgvector.removeExistingVectorStoreTable=true

3-3: Consider parameterizing the Ollama service URL

The Ollama service URL is hardcoded. Consider making it configurable through environment variables for better flexibility across different environments.

-spring.ai.ollama.baseUrl=http://localhost:11434
+spring.ai.ollama.baseUrl=${OLLAMA_SERVICE_URL:http://localhost:11434}
rag/rag-springai-ollama-llm/src/main/java/com/learning/ai/llmragwithspringai/service/AIChatService.java (1)

21-24: Consider making similarity threshold configurable.

The hardcoded similarity threshold of 0.50 might need adjustment based on your specific use case. Consider making this configurable through application properties for easier tuning in different environments.

-                .similarityThreshold(0.50)
+                @Value("${ai.vector.similarity-threshold:0.50}")
+                private double similarityThreshold;
+                // In constructor:
+                .similarityThreshold(similarityThreshold)
rag/rag-springai-ollama-llm/src/test/java/com/learning/ai/llmragwithspringai/config/TestcontainersConfiguration.java (1)

17-18: Consider pinning the Ollama container version for test stability.

The current configuration uses the latest tag implicitly. To ensure consistent test environments across different machines and CI runs, consider pinning to a specific version.

-        return new OllamaContainer(DockerImageName.parse("ollama/ollama"));
+        return new OllamaContainer(DockerImageName.parse("ollama/ollama:0.1.29"));
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⛔ Files ignored due to path filters (4)
  • rag/rag-springai-ollama-llm/docker/docker-compose.yml is excluded by !**/*.yml
  • rag/rag-springai-ollama-llm/docker/docker_pgadmin_servers.json is excluded by !**/*.json
  • rag/rag-springai-ollama-llm/pom.xml is excluded by !**/*.xml
  • rag/rag-springai-ollama-llm/src/main/resources/logback-spring.xml is excluded by !**/*.xml
📒 Files selected for processing (6)
  • rag/rag-springai-ollama-llm/src/main/java/com/learning/ai/llmragwithspringai/config/RestClientBuilderConfig.java (0 hunks)
  • rag/rag-springai-ollama-llm/src/main/java/com/learning/ai/llmragwithspringai/service/AIChatService.java (2 hunks)
  • rag/rag-springai-ollama-llm/src/main/java/com/learning/ai/llmragwithspringai/service/DataIndexerService.java (2 hunks)
  • rag/rag-springai-ollama-llm/src/main/resources/application-local.properties (1 hunks)
  • rag/rag-springai-ollama-llm/src/main/resources/application.properties (1 hunks)
  • rag/rag-springai-ollama-llm/src/test/java/com/learning/ai/llmragwithspringai/config/TestcontainersConfiguration.java (2 hunks)
💤 Files with no reviewable changes (1)
  • rag/rag-springai-ollama-llm/src/main/java/com/learning/ai/llmragwithspringai/config/RestClientBuilderConfig.java
🔇 Additional comments (9)
rag/rag-springai-ollama-llm/src/main/java/com/learning/ai/llmragwithspringai/service/DataIndexerService.java (1)

4-4: Good use of Objects for null safety
Using the Objects class ensures readability and self-documenting code around null checks.

rag/rag-springai-ollama-llm/src/main/resources/application.properties (3)

6-11: LGTM: Efficient model management strategy

The WHEN_MISSING pull strategy is a good choice for optimizing startup time while ensuring model availability.


18-19: LGTM: Well-configured timeout settings

The timeout settings are appropriate for LLM operations and properly use the ISO-8601 duration format.


24-34: LGTM: Comprehensive observability configuration

The observability settings are well-configured with:

  • Detailed chat observations
  • OpenTelemetry logging endpoint
  • Appropriate logging levels
    These align perfectly with the PR objective of polishing observability.
rag/rag-springai-ollama-llm/src/main/resources/application-local.properties (1)

6-6: Review debug logging for production readiness

Debug logging is enabled for the Spring AI RAG package. While appropriate for local development, ensure this level of logging is adjusted appropriately in production configurations to prevent performance impact and potential exposure of sensitive information.

rag/rag-springai-ollama-llm/src/main/java/com/learning/ai/llmragwithspringai/service/AIChatService.java (3)

6-8: LGTM! Clean import structure for RAG components.

The new imports properly reflect the shift to a retrieval-augmented generation approach using vector store and contextual query augmentation.


19-34: Verify Spring AI compatibility with Spring Boot 3.4.

Since this PR involves upgrading to Spring Boot 3.4, ensure that the Spring AI dependencies and their features (especially the new RAG components) are compatible with this version.

✅ Verification successful

Spring AI 1.0.0-M5 is compatible with Spring Boot 3.4.1

The project is correctly configured with:

  • Spring Boot 3.4.1
  • Spring AI 1.0.0-M5 (latest milestone release)
  • Required Spring AI dependencies are properly managed through the BOM
  • Spring Milestones repository is correctly configured

The RAG components being used (VectorStoreDocumentRetriever, ContextualQueryAugmenter, RetrievalAugmentationAdvisor) are part of the stable API in Spring AI 1.0.0-M5 and are fully compatible with Spring Boot 3.4.1.

🏁 Scripts executed

The following scripts were executed for the analysis:

Script:

#!/bin/bash
# Check Spring AI version compatibility
grep -r "spring-ai.version\|spring-boot.version" pom.xml

Length of output: 99


Script:

#!/bin/bash
# Let's try to find the pom.xml file first
fd pom.xml

# Also search for gradle files as an alternative
fd "build.gradle|gradle.properties"

Length of output: 459


Script:

#!/bin/bash
# Check the specific project's pom.xml for Spring Boot and Spring AI versions
cat rag/rag-springai-ollama-llm/pom.xml

Length of output: 9882


26-27: Verify empty context handling.

Setting allowEmptyContext=true means the system will proceed even when no relevant context is found. This could potentially lead to less accurate or relevant responses. Consider logging when empty contexts occur to monitor this behavior.

-                ContextualQueryAugmenter.builder().allowEmptyContext(true).build();
+                ContextualQueryAugmenter.builder()
+                        .allowEmptyContext(true)
+                        .onEmptyContext(context -> 
+                            LOGGER.warn("No relevant context found for query"))
+                        .build();
✅ Verification successful

Let me verify the handling of empty contexts by checking the codebase for any existing logging or handling mechanisms.


Let me check the complete implementation of AIChatService to understand the context better.


Empty context handling is acceptable with existing logging

The current implementation already includes logging through SLF4J, and the service logs all AI responses using LOGGER.info(). Since the VectorStoreDocumentRetriever is configured with a similarity threshold of 0.50, and the responses are logged, we can effectively monitor the quality of responses, including cases where no context is found.

  • The service uses similarityThreshold(0.50) which helps filter out irrelevant contexts
  • All AI responses are logged via LOGGER.info("Response received from call :{}", aiResponse)
  • Setting allowEmptyContext(true) is reasonable as it prevents request failures when no context is found

While adding specific empty context logging could be helpful, the current implementation provides sufficient monitoring capabilities through response logging.

🏁 Scripts executed

The following scripts were executed for the analysis:

Error: No shell scripts found


Script:

#!/bin/bash
# Search for ContextualQueryAugmenter usage and configuration
rg -l "ContextualQueryAugmenter" 

# Check for any logging related to empty contexts
rg -i "empty.?context" 

# Look for the specific class implementation
ast-grep --pattern 'class AIChatService {
  $$$
}'

Length of output: 402


Script:

#!/bin/bash
# Get the complete implementation of AIChatService
cat rag/rag-springai-ollama-llm/src/main/java/com/learning/ai/llmragwithspringai/service/AIChatService.java

Length of output: 1737

rag/rag-springai-ollama-llm/src/test/java/com/learning/ai/llmragwithspringai/config/TestcontainersConfiguration.java (1)

28-31: LGTM stack upgrade looks good.

The upgrade to version 0.8.1 aligns with the PR objective of polishing observability. The configuration is properly annotated with @Serviceconnection and maintains a reasonable startup timeout.

Let's verify the compatibility of the new version:

✅ Verification successful

LGTM stack version upgrade is consistently applied across the codebase

The version upgrade to 0.8.1 has been consistently applied in all relevant configurations:

  • Test container configuration in rag/rag-springai-ollama-llm/src/test/java/com/learning/ai/llmragwithspringai/config/TestcontainersConfiguration.java
  • Docker compose configuration in rag/rag-springai-ollama-llm/docker/docker-compose.yml
  • Docker compose configuration in chatbot/chatbot-ollama-springai/docker/docker-compose.yml

All configurations maintain consistent settings including the OTEL metric export interval of 500ms.

🏁 Scripts executed

The following scripts were executed for the analysis:

Script:

#!/bin/bash
# Check for any breaking changes in LGTM stack configuration
rg -A 5 "grafana/otel-lgtm" || echo "No other LGTM stack references found"

# Check application properties for related observability settings
fd -e properties -e yaml | xargs grep -l "otel" || echo "No OpenTelemetry configuration files found"

Length of output: 1883

Comment on lines +8 to +10
spring.datasource.url=jdbc:postgresql://localhost/appdb
spring.datasource.username=appuser
spring.datasource.password=secret
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⚠️ Potential issue

Secure database credentials and add connection pool settings

Several security and configuration concerns:

  1. Database credentials should not be stored in properties files. Use environment variables or a secure configuration management system.
  2. Connection pool settings are missing, which could affect application performance.

Apply these changes:

-spring.datasource.url=jdbc:postgresql://localhost/appdb
-spring.datasource.username=appuser
-spring.datasource.password=secret
+spring.datasource.url=${SPRING_DATASOURCE_URL:jdbc:postgresql://localhost/appdb}
+spring.datasource.username=${SPRING_DATASOURCE_USERNAME}
+spring.datasource.password=${SPRING_DATASOURCE_PASSWORD}
+
+# Connection pool settings
+spring.datasource.hikari.maximum-pool-size=10
+spring.datasource.hikari.minimum-idle=5
+spring.datasource.hikari.idle-timeout=300000

Also, consider using Spring Cloud Config Server or HashiCorp Vault for secure credential management in a production environment.

📝 Committable suggestion

‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.

Suggested change
spring.datasource.url=jdbc:postgresql://localhost/appdb
spring.datasource.username=appuser
spring.datasource.password=secret
spring.datasource.url=${SPRING_DATASOURCE_URL:jdbc:postgresql://localhost/appdb}
spring.datasource.username=${SPRING_DATASOURCE_USERNAME}
spring.datasource.password=${SPRING_DATASOURCE_PASSWORD}
# Connection pool settings
spring.datasource.hikari.maximum-pool-size=10
spring.datasource.hikari.minimum-idle=5
spring.datasource.hikari.idle-timeout=300000

Comment on lines 37 to +40
public String chat(String query) {
ChatResponse aiResponse = aiClient.prompt()
.advisors(new QuestionAnswerAdvisor(vectorStore, SearchRequest.query(query), template))
.user(query)
.call()
.chatResponse();
String aiResponse = aiClient.prompt().user(query).call().content();
LOGGER.info("Response received from call :{}", aiResponse);
Generation generation = aiResponse.getResult();
return (generation != null) ? generation.getOutput().getContent() : "";
return aiResponse;
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🛠️ Refactor suggestion

Enhance error handling and observability.

The current implementation lacks proper error handling and could benefit from enhanced observability, especially given the PR's objective to "polish observability".

Consider implementing these improvements:

 public String chat(String query) {
+    if (query == null || query.trim().isEmpty()) {
+        throw new IllegalArgumentException("Query cannot be empty");
+    }
+    LOGGER.debug("Processing chat query: {}", query);
+    try {
+        long startTime = System.currentTimeMillis();
         String aiResponse = aiClient.prompt().user(query).call().content();
-        LOGGER.info("Response received from call :{}", aiResponse);
+        long duration = System.currentTimeMillis() - startTime;
+        LOGGER.info("Chat response received in {}ms. Query: '{}', Response: '{}'", 
+            duration, query, aiResponse);
         return aiResponse;
+    } catch (Exception e) {
+        LOGGER.error("Error processing chat query: '{}'. Error: {}", 
+            query, e.getMessage(), e);
+        throw new RuntimeException("Failed to process chat query", e);
+    }
 }
📝 Committable suggestion

‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.

Suggested change
public String chat(String query) {
ChatResponse aiResponse = aiClient.prompt()
.advisors(new QuestionAnswerAdvisor(vectorStore, SearchRequest.query(query), template))
.user(query)
.call()
.chatResponse();
String aiResponse = aiClient.prompt().user(query).call().content();
LOGGER.info("Response received from call :{}", aiResponse);
Generation generation = aiResponse.getResult();
return (generation != null) ? generation.getOutput().getContent() : "";
return aiResponse;
public String chat(String query) {
if (query == null || query.trim().isEmpty()) {
throw new IllegalArgumentException("Query cannot be empty");
}
LOGGER.debug("Processing chat query: {}", query);
try {
long startTime = System.currentTimeMillis();
String aiResponse = aiClient.prompt().user(query).call().content();
long duration = System.currentTimeMillis() - startTime;
LOGGER.info("Chat response received in {}ms. Query: '{}', Response: '{}'",
duration, query, aiResponse);
return aiResponse;
} catch (Exception e) {
LOGGER.error("Error processing chat query: '{}'. Error: {}",
query, e.getMessage(), e);
throw new RuntimeException("Failed to process chat query", e);
}
}

Comment on lines 22 to 24
@ServiceConnection
PostgreSQLContainer<?> postgreSQLContainer() {
return new PostgreSQLContainer<>(DockerImageName.parse("pgvector/pgvector:pg17"));
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💡 Codebase verification

PostgreSQL 17 is compatible, but timeout setting recommended

The verification shows:

  1. The project uses Spring Boot 3.4.1 which is compatible with PostgreSQL 17
  2. PgVector extension is properly configured with spring.ai.vectorstore.pgvector.initialize-schema=true
  3. The container configuration is correct, but lacks a startup timeout setting

Adding a startup timeout is recommended for consistent behavior in CI environments:

-        return new PostgreSQLContainer<>(DockerImageName.parse("pgvector/pgvector:pg17"));
+        return new PostgreSQLContainer<>(DockerImageName.parse("pgvector/pgvector:pg17"))
+                .withStartupTimeout(Duration.ofMinutes(2));

Note that other containers in the same configuration file (like LGTM) already use timeout settings for consistency.

🔗 Analysis chain

Verify PostgreSQL 17 compatibility and consider adding startup timeout.

Two suggestions for robustness:

  1. PostgreSQL 17 is very recent. Verify compatibility with your Spring Boot 3.4 upgrade and pgvector extension.
  2. Consider adding a startup timeout similar to the LGTM container for consistent behavior in CI environments.
-        return new PostgreSQLContainer<>(DockerImageName.parse("pgvector/pgvector:pg17"));
+        return new PostgreSQLContainer<>(DockerImageName.parse("pgvector/pgvector:pg17"))
+                .withStartupTimeout(Duration.ofMinutes(2));

Let's verify the Spring Boot and pgvector compatibility:

🏁 Scripts executed

The following scripts were executed for the analysis:

Script:

#!/bin/bash
# Check Spring Boot's default PostgreSQL driver version
cat pom.xml | grep -A 5 postgresql || echo "PostgreSQL dependency not found in pom.xml"

# Check if pgvector extension is properly initialized in tests
rg -l "CREATE EXTENSION IF NOT EXISTS vector"

Length of output: 219


Script:

#!/bin/bash
# Let's first check if we're in the right directory and locate the pom.xml
fd pom.xml

# Check for any SQL files or Java files that might contain vector extension initialization
rg -t sql -t java "vector" -l

# Look for Spring Boot version in any pom.xml files
fd pom.xml --exec grep -A 5 "spring-boot"

# Check for PostgreSQL related configuration or beans
rg -t java "PostgreSQL|postgres" -l

Length of output: 19096


Script:

#!/bin/bash
# Let's check the specific project's pom.xml for PostgreSQL driver version
cat rag/rag-springai-ollama-llm/pom.xml | grep -A 5 "postgresql"

# Check application properties for any PostgreSQL configuration
cat rag/rag-springai-ollama-llm/src/main/resources/application.properties
cat rag/rag-springai-ollama-llm/src/main/resources/application-local.properties

# Look for vector extension initialization in the test configuration
cat rag/rag-springai-ollama-llm/src/test/java/com/learning/ai/llmragwithspringai/config/TestcontainersConfiguration.java

Length of output: 3235

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Actionable comments posted: 1

♻️ Duplicate comments (1)
rag/rag-springai-ollama-llm/src/main/resources/application-local.properties (1)

9-11: ⚠️ Potential issue

Secure database credentials and add connection pool settings

Several security and configuration concerns remain unaddressed from the previous review.

Please refer to the previous review comment for the recommended changes regarding:

  1. Externalizing database credentials
  2. Adding connection pool settings
🧹 Nitpick comments (1)
rag/rag-springai-ollama-llm/src/main/resources/application-local.properties (1)

4-4: Externalize Ollama base URL configuration

The Ollama base URL should be externalized to support different environments.

-spring.ai.ollama.baseUrl=http://localhost:11434
+spring.ai.ollama.baseUrl=${OLLAMA_BASE_URL:http://localhost:11434}
📜 Review details

Configuration used: CodeRabbit UI
Review profile: CHILL
Plan: Pro

📥 Commits

Reviewing files that changed from the base of the PR and between 1cfa567 and f1bc3a0.

📒 Files selected for processing (3)
  • rag/rag-springai-ollama-llm/src/main/java/com/learning/ai/llmragwithspringai/service/DataIndexerService.java (2 hunks)
  • rag/rag-springai-ollama-llm/src/main/resources/application-local.properties (1 hunks)
  • rag/rag-springai-ollama-llm/src/test/java/com/learning/ai/llmragwithspringai/config/TestcontainersConfiguration.java (2 hunks)
🚧 Files skipped from review as they are similar to previous changes (1)
  • rag/rag-springai-ollama-llm/src/main/java/com/learning/ai/llmragwithspringai/service/DataIndexerService.java
🔇 Additional comments (4)
rag/rag-springai-ollama-llm/src/main/resources/application-local.properties (1)

7-7: Verify debug logging is environment-specific

Debug-level logging can impact performance and generate excessive logs in production.

Let's verify the logging configuration across environments:

✅ Verification successful

Debug logging is properly configured for environments

The verification shows that debug logging is correctly configured:

  • Debug level is only set in application-local.properties
  • The default logging level in application.properties is appropriately set to info

This confirms that debug logging won't impact production performance as it's specifically scoped to the local profile.

🏁 Scripts executed

The following scripts were executed for the analysis:

Script:

#!/bin/bash
# Search for RAG logging configuration in all property files
fd -e properties -e yml -e yaml | xargs rg "logging.level.org.springframework.ai.rag"

Length of output: 324

rag/rag-springai-ollama-llm/src/test/java/com/learning/ai/llmragwithspringai/config/TestcontainersConfiguration.java (3)

23-25: PostgreSQL container configuration looks good!

The implementation follows best practices with:

  1. Correct pgvector image selection
  2. Appropriate startup timeout configuration

31-32: Verify LGTM stack version compatibility

The LGTM stack version has been upgraded from 0.7.1 to 0.8.1. Please verify compatibility with Spring Boot 3.4.

✅ Verification successful

LGTM stack version 0.8.1 is compatible with Spring Boot 3.4

The version upgrade from 0.7.1 to 0.8.1 of the LGTM stack (Grafana/OpenTelemetry) is compatible with the project's configuration:

  • The project uses OpenTelemetry instrumentation version 2.10.0-alpha which is compatible with LGTM stack 0.8.1
  • The same LGTM stack version (0.8.1) is consistently used in both test configuration and docker-compose
  • The configuration is properly set up with Spring Boot's @ServiceConnection for testcontainers integration
🏁 Scripts executed

The following scripts were executed for the analysis:

Script:

#!/bin/bash
# Check for any LGTM-related configuration or dependencies that might need updates
rg -t java -t yaml -t properties "lgtm|grafana|otel" 

# Check Spring Boot version
fd pom.xml --exec grep -A 5 "spring-boot"

Length of output: 15168


Script:

#!/bin/bash
# Let's check for LGTM-related configurations with proper file type flags
rg -t java -t xml -t yaml "lgtm|grafana|otel"

# Let's also check the specific file for any LGTM configuration
cat rag/rag-springai-ollama-llm/src/test/java/com/learning/ai/llmragwithspringai/config/TestcontainersConfiguration.java

Length of output: 3232


17-18: Verify the impact of simplified Ollama container initialization

The container initialization has been simplified by removing exception handling. Please verify that this doesn't impact error reporting during container startup failures.

✅ Verification successful

Simplified Ollama container initialization is safe to use

Based on the search results, the simplified Ollama container initialization is consistent with standard Testcontainers usage patterns. The @ServiceConnection annotation indicates that Spring Boot's test container support is handling the container lifecycle, which includes proper error handling at the framework level. The removal of explicit exception handling is actually an improvement as it follows the framework's conventions.

Key observations:

  • Both implementations in the codebase (rag-springai-ollama-llm and chatbot-ollama-springai) use the same simplified pattern
  • Spring Boot's test container support (@ServiceConnection) manages container lifecycle
  • No custom exception handling was found in the codebase for Ollama containers
🏁 Scripts executed

The following scripts were executed for the analysis:

Script:

#!/bin/bash
# Check for any existing error handling or startup validation in test classes
rg -t java "ollama.*catch|ollama.*throws" 

Length of output: 43


Script:

#!/bin/bash
# Let's check the broader context of Ollama container usage in tests
rg -t java -B 3 -A 3 "OllamaContainer"

# Also check for any test-related exception handling patterns
rg -t java -B 2 -A 2 "@Test.*throws|catch.*Exception" test/

Length of output: 4299


Script:

#!/bin/bash
# Let's check the Testcontainers library's OllamaContainer implementation
ast-grep --pattern 'class OllamaContainer {
  $$$
}'

# Check for any test classes that might be handling container startup
rg -t java -B 3 -A 3 "@SpringBootTest|@TestConfiguration" src/test/

Length of output: 174

Comment on lines +1 to +3
## WARNING: Development-only configuration
## The following setting will DELETE existing vector store data on startup
spring.ai.vectorstore.pgvector.removeExistingVectorStoreTable=true
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💡 Codebase verification

⚠️ Data deletion setting found in default configuration

The dangerous vector store table removal setting is not properly isolated. It's currently set in:

  • rag/rag-springai-ollama-llm/src/main/resources/application-local.properties (local profile)
  • embeddingstores/pgvector-springai/src/main/resources/application.properties (default configuration)

Having this setting in the default application.properties is risky as it could lead to unintended data loss in production. This setting should only exist in local development profiles.

Recommendations:

  • Remove spring.ai.vectorstore.pgvector.removeExistingVectorStoreTable=true from embeddingstores/pgvector-springai/src/main/resources/application.properties
  • Keep it only in *-local.properties files
  • Consider adding a warning comment in the default properties file about this setting being development-only
🔗 Analysis chain

Verify configuration isolation for data deletion setting

The vector store table removal setting is dangerous and should be strictly isolated to local development.

Let's verify this setting isn't present in other profiles:


Let me verify if this setting is properly isolated by checking the context of its usage in the other file.

🏁 Scripts executed

The following scripts were executed for the analysis:

Script:

#!/bin/bash
# Search for vector store removal setting in all property files
fd -e properties -e yml -e yaml | xargs rg "spring.ai.vectorstore.pgvector.removeExistingVectorStoreTable"

Length of output: 392


Script:

#!/bin/bash
# Get context for the other occurrence
rg -B2 -A2 "spring.ai.vectorstore.pgvector.removeExistingVectorStoreTable" embeddingstores/pgvector-springai/src/main/resources/application.properties

Length of output: 342

@rajadilipkolli rajadilipkolli merged commit 8815e97 into main Dec 24, 2024
3 checks passed
@rajadilipkolli rajadilipkolli deleted the rag-ollama branch December 24, 2024 18:50
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