Backport PR #2685 to release/v1.7 for Add New gRPC Options and Add Reconnect Logic for connection Pool #2693
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Signed-off-by: kpango <[email protected]>
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Caution Review failedThe pull request is closed. 📝 WalkthroughWalkthroughThis pull request introduces several updates across multiple components of the project. It modifies issue and pull request templates to reflect new version numbers for Helm and Faiss. A new target for setting file permissions is added to the Makefile. Significant changes are made to the ValdRelease custom resource definition and related gRPC configuration files, enhancing their capabilities. Additionally, various Dockerfiles are updated for better formatting and configuration. Dependency versions in Go modules are also updated for compatibility, and Kubernetes configuration files are modified to incorporate new gRPC settings. Changes
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Actionable comments posted: 23
🧹 Outside diff range and nitpick comments (44)
charts/vald/values.schema.json (8)
1501-1516: Approved: New gRPC server configuration options addedThree new gRPC server configuration options have been added:
num_stream_workers: Controls the number of workers handling streams.shared_write_buffer: Enables or disables write buffer sharing.wait_for_handlers: Determines if the server should wait for handlers when stopping.These additions provide more fine-grained control over server behavior, potentially improving performance and resource management.
Consider updating the project's documentation to explain the impact and best practices for using these new configuration options, especially regarding performance tuning and graceful shutdown procedures.
3657-3664: Approved with suggestion: New gRPC client dial options addedTwo new gRPC client dial options have been added:
content_subtype(integer)authority(string)These additions provide more control over gRPC client behavior, potentially improving flexibility in communication protocols and routing.
Please add a description for the
content_subtypeproperty to maintain consistency with other properties and provide clarity on its purpose and usage.
3681-3692: Approved: New gRPC client dial options for retry and timeout controlTwo valuable gRPC client dial options have been added:
disable_retry: Allows disabling the retry mechanism.idle_timeout: Enables setting a timeout for idle connections.These additions provide more fine-grained control over client behavior, potentially improving reliability and resource management.
Consider updating the project's documentation to explain the implications of disabling retries and setting idle timeouts, including best practices and potential use cases for these options.
3730-3737: Approved: Added max_call_attempts and max_header_list_size optionsTwo new gRPC client dial options have been introduced:
max_call_attempts: Limits the number of call attempts.max_header_list_size: Sets a maximum size for the header list.These additions enhance control over client behavior and can help prevent excessive resource usage and potential security issues.
Consider updating the project's documentation to provide guidance on choosing appropriate values for these options, including their impact on performance, reliability, and security.
3855-3866: Approved: New gRPC client dial options for write buffer and user agentTwo new gRPC client dial options have been added:
shared_write_buffer: Enables or disables write buffer sharing.user_agent: Allows setting a custom user agent string.These additions provide more control over client behavior and identification, potentially improving performance and debugging capabilities.
Consider updating the project's documentation to explain the performance implications of shared write buffers and best practices for setting custom user agent strings, including any formatting guidelines or conventions.
6978-6985: Approved with suggestion: Consistent addition of gRPC client dial optionsThis segment duplicates the
content_subtypeandauthorityoptions in another part of the configuration schema, maintaining consistency across different sections.As noted in a previous comment, please add a description for the
content_subtypeproperty to maintain consistency with other properties and provide clarity on its purpose and usage.
7333-7340: Approved with suggestion: Consistent addition of gRPC client dial optionsThis segment duplicates the
content_subtypeandauthorityoptions in another part of the configuration schema, maintaining consistency across different sections.As noted in previous comments, please add a description for the
content_subtypeproperty to maintain consistency with other properties and provide clarity on its purpose and usage.
7680-7687: Approved with suggestion: Consistent addition of gRPC client dial optionsThis segment duplicates the
content_subtypeandauthorityoptions in another part of the configuration schema, maintaining consistency across different sections.As noted in previous comments, please add a description for the
content_subtypeproperty to maintain consistency with other properties and provide clarity on its purpose and usage. This suggestion has been made multiple times, and it would be beneficial to address it across all instances of this property.internal/net/grpc/health/health.go (1)
29-35: Approve logic changes with a suggestion for error handling.The updated implementation is more robust and flexible, automatically registering all services and improving observability through logging. The overall health status setting is a good addition.
Consider adding error handling for the
SetServingStatuscalls. While these operations are unlikely to fail, it's a good practice to handle potential errors. Here's a suggested improvement:func Register(srv *grpc.Server) { hsrv := health.NewServer() healthpb.RegisterHealthServer(srv, hsrv) for api := range srv.GetServiceInfo() { - hsrv.SetServingStatus(api, healthpb.HealthCheckResponse_SERVING) + if err := hsrv.SetServingStatus(api, healthpb.HealthCheckResponse_SERVING); err != nil { + log.Error("failed to set serving status for service: " + api, err) + } log.Debug("gRPC health check server registered for service:\t" + api) } - hsrv.SetServingStatus("", healthpb.HealthCheckResponse_SERVING) + if err := hsrv.SetServingStatus("", healthpb.HealthCheckResponse_SERVING); err != nil { + log.Error("failed to set overall serving status", err) + } }This change adds error handling and logging for potential failures in setting the serving status.
internal/net/grpc/health/health_test.go (2)
36-36: LGTM: Struct simplification aligns with updated function signature.The simplification of the
argsstruct to only include thesrv *grpc.Serverfield is appropriate and consistent with the changes to theRegisterfunction signature.Consider adding a brief comment above the
argsstruct to explain its purpose in the test, e.g.:// args represents the input parameters for the Register function type args struct { srv *grpc.Server }
59-59: LGTM: Improved service registration check.The use of
healthpb.Health_ServiceDesc.ServiceNameinstead of a hardcoded string is an excellent improvement. It makes the test more robust and less prone to breaking if the service name changes in the future.For improved clarity, consider adding a brief comment explaining the purpose of this check:
// Verify that the health check server has been registered with the gRPC server if _, ok := srv.GetServiceInfo()[healthpb.Health_ServiceDesc.ServiceName]; !ok { return errors.New("health check server not registered") }dockers/tools/benchmark/operator/Dockerfile (1)
87-87: Approve with suggestion: Consider parameterizing the config file.The addition of a default configuration file is a good practice and aligns with the PR objectives. However, using a sample configuration in a production image might not be ideal for all use cases.
Consider parameterizing the config file path using a build argument. This would allow users to specify a custom config file at build time. Here's an example of how you could modify this:
+ ARG CONFIG_FILE=cmd/tools/benchmark/operator/sample.yaml - COPY cmd/tools/benchmark/operator/sample.yaml /etc/server/config.yaml + COPY ${CONFIG_FILE} /etc/server/config.yamlThis change would maintain the current behavior by default while providing flexibility for different environments or use cases.
dockers/tools/benchmark/job/Dockerfile (1)
95-95: LGTM: Good addition of a default configuration file.Adding a default configuration file is a good practice. It provides a starting point for users and ensures the container has a working configuration out of the box.
Consider adding a comment above this line to explain the purpose of this configuration file, e.g.:
# Copy default configuration file COPY cmd/tools/benchmark/job/sample.yaml /etc/server/config.yamldockers/ci/base/Dockerfile (2)
48-48: LGTM! Consider adding a comment for clarity.The addition of the
RUSTUP_HOMEenvironment variable is a good practice for explicitly defining the Rust toolchain installation path. This aligns well with the PR objectives of enhancing configurations.Consider adding a comment explaining the purpose of this variable for better maintainability:
+# Set RUSTUP_HOME to define Rust toolchain installation path ENV RUSTUP_HOME=${RUST_HOME}/rustup
Line range hint
1-130: Consider documenting the Dockerfile structure and exploring multi-stage builds.While the changes made are appropriate, the overall complexity of this Dockerfile suggests that some additional documentation might be beneficial. Consider adding comments to explain the purpose of different sections or groups of installations.
Additionally, given the number of tools and languages being installed, you might want to explore using multi-stage builds to optimize the final image size. This could potentially improve build times and reduce the attack surface of the resulting container.
dockers/dev/Dockerfile (1)
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1-148: Consider using a non-root user and adding a security scan stepThe Dockerfile is well-structured and efficiently uses multi-stage builds and caching mechanisms. However, there are two areas for potential improvement:
Security: The container is currently set to run as root (line 148). While this is sometimes necessary for development environments, it's generally a good practice to use a non-root user when possible. Consider adding a non-root user and switching to it at the end of the Dockerfile.
Security Scanning: Given the complexity of this development environment, it would be beneficial to add a security scanning step to check for vulnerabilities in the installed packages.
Here's a suggestion to address these points:
# At the beginning of the file, after the FROM instruction +ARG USERNAME=vscode +ARG USER_UID=1000 +ARG USER_GID=$USER_UID # At the end of the file, replace the last line with: -USER root:root +RUN groupadd --gid $USER_GID $USERNAME \ + && useradd --uid $USER_UID --gid $USER_GID -m $USERNAME \ + && apt-get update \ + && apt-get install -y sudo \ + && echo $USERNAME ALL=\(root\) NOPASSWD:ALL > /etc/sudoers.d/$USERNAME \ + && chmod 0440 /etc/sudoers.d/$USERNAME + +# Install Trivy for vulnerability scanning +RUN curl -sfL https://raw.githubusercontent.com/aquasecurity/trivy/main/contrib/install.sh | sh -s -- -b /usr/local/bin v0.18.3 + +# Run Trivy vulnerability scanner +RUN trivy filesystem --exit-code 1 --severity HIGH,CRITICAL / + +USER $USERNAME # Consider adding a .trivyignore file to the project root if there are known issues that can't be immediately addressedThis change adds a non-root user, installs and runs Trivy for vulnerability scanning, and switches to the non-root user at the end. Adjust the USERNAME, USER_UID, and USER_GID as needed for your project.
internal/net/grpc/server.go (4)
121-125: LGTM: NumStreamWorkers implementation with a minor suggestionThe
NumStreamWorkersfunction is correctly implemented as a wrapper aroundgrpc.NumStreamWorkers. The implementation, parameter, and return types are correct.The comment is informative, but could be slightly improved for clarity:
Consider updating the comment to:
// NumStreamWorkers returns a ServerOption that sets the number of worker goroutines for processing incoming streams. // Setting this to zero (default) disables workers and spawns a new goroutine for each stream.This minor change makes the comment more concise and easier to read.
127-131: LGTM: SharedWriteBuffer implementation with a suggestion for the commentThe
SharedWriteBufferfunction is correctly implemented as a wrapper aroundgrpc.SharedWriteBuffer. The implementation, parameter, and return types are accurate.However, the comment could be more concise:
Consider updating the comment to:
// SharedWriteBuffer returns a ServerOption that enables reusing the per-connection transport write buffer. // When set to true, each connection will release the buffer after flushing data to the network.This change makes the comment more concise while retaining all necessary information.
133-137: LGTM: WaitForHandlers implementation with a suggestion for the commentThe
WaitForHandlersfunction is correctly implemented as a wrapper aroundgrpc.WaitForHandlers. The implementation, parameter, and return types are accurate.The comment is informative but could be more concise:
Consider updating the comment to:
// WaitForHandlers returns a ServerOption that configures the Stop method to wait for all outstanding // method handlers to exit before returning. By default, Stop returns immediately after closing connections.This change makes the comment more concise while retaining all necessary information.
139-178: LGTM: Comprehensive API reference comment with formatting suggestionsThe API reference comment block provides valuable information about the status of various gRPC server APIs in this package. It's well-organized into categories and includes a link to the official documentation.
To improve readability, consider the following formatting suggestions:
Use consistent formatting for each API entry:
// - FunctionName: Brief descriptionAdd a brief description for each category:
// 1. Already Implemented APIs // These APIs are currently implemented in this package. // 2. Unnecessary for this package APIs // These APIs are not needed for the current implementation. // 3. Experimental APIs // These APIs are experimental and may change in future gRPC versions. // 4. Deprecated APIs // These APIs are deprecated and should not be used in new code.Consider using godoc-style comments for better integration with Go documentation tools:
// API References: https://pkg.go.dev/google.golang.org/grpc#ServerOption // // 1. Already Implemented APIs // These APIs are currently implemented in this package. // - ConnectionTimeout: Sets the timeout for connection establishment // - Creds: Sets credentials for server connections // ...These changes will make the comment block more consistent and easier to read while maintaining its informative nature.
k8s/discoverer/configmap.yaml (3)
45-45: LGTM: Channelz enabled for improved monitoringThe addition of
enable_channelz: trueis a good choice for enhancing observability. This feature will provide detailed runtime statistics and debugging information for the gRPC server.Consider updating the project documentation to mention this new monitoring capability and provide guidance on how to access and interpret Channelz data.
64-64: Consider explicitly settingnum_stream_workersSetting
num_stream_workers: 0likely means the system will use a default value or auto-configure. While this can work, explicit configuration might provide more predictable performance.Consider setting an explicit value based on your system's resources. For example:
num_stream_workers: 4 # Adjust based on your CPU cores and expected workloadThis will give you more control over resource allocation and potentially improve performance predictability.
Line range hint
45-67: Summary of gRPC server configuration changesThe new configuration options added to the gRPC server settings provide enhanced control over server behavior and potentially improve performance. Here's a summary of the changes and their implications:
- Channelz is enabled, improving observability.
- No limit on concurrent streams, which may need adjustment to prevent resource exhaustion.
- Stream workers are set to auto-configure, but explicit setting might be beneficial.
- Shared write buffer is disabled, potentially improving performance but may increase memory usage.
- The server will wait for handlers during shutdown, improving reliability but potentially increasing shutdown time.
These changes offer more fine-grained control over the gRPC server's behavior. To ensure optimal performance and stability:
- Implement comprehensive monitoring for resource usage, especially memory and CPU.
- Set up alerts for abnormal resource consumption or extended shutdown times.
- Conduct load testing to verify the impact of these changes under various scenarios.
- Consider creating a runbook for tuning these parameters based on observed performance metrics.
By carefully monitoring and adjusting these settings as needed, you can optimize the performance and reliability of your Vald discoverer component.
k8s/manager/index/configmap.yaml (5)
45-45: LGTM: New gRPC server options enhance configurabilityThe new gRPC server options (
enable_channelz,max_concurrent_streams,num_stream_workers,shared_write_buffer, andwait_for_handlers) provide more granular control over server behavior and performance. These additions align with the PR objectives to enhance gRPC configurations.Consider updating the project documentation to explain these new options, their default values, and their impact on server performance and behavior.
Also applies to: 60-60, 64-64, 66-67
272-272: LGTM: Enhanced gRPC client options for discovererThe new gRPC client options (
content_subtype,authority,disable_retry,idle_timeout,max_call_attempts, andmax_header_list_size) in the discoverer section provide more granular control over client behavior and connection management. These additions align with the PR objectives to improve gRPC configurations.Consider updating the project documentation to explain these new options, their default values, and their impact on client behavior and performance. Additionally, it might be helpful to provide guidelines on when and how to adjust these values based on different deployment scenarios.
Also applies to: 278-283, 285-285, 294-295
324-326: LGTM: Additional dial options for discovererThe new dial options (
shared_write_bufferanduser_agent) provide additional control over connection behavior. Theshared_write_bufferoption may improve performance, while theuser_agentoption allows for custom identification of the client.Consider updating the project documentation to explain these new options, their default values, and their potential impact on performance and debugging. For the
user_agentoption, it might be helpful to provide guidelines on how to set a meaningful value that aids in request tracing and debugging.
358-358: LGTM: Consistent gRPC client option for agentThe addition of the
content_subtypeoption in theagent_client_optionssection provides consistency with the discoverer client configuration. This change aligns with the PR objectives to improve gRPC configurations across different components.Ensure that the project documentation is updated to explain this new option, its default value, and its potential use cases in the context of agent client communication.
Line range hint
1-458: Summary: Comprehensive gRPC configuration enhancementsThe changes in this ConfigMap file significantly enhance the gRPC configuration options for both server and client components. These additions provide more granular control over various aspects of gRPC communication, including performance, resource management, and connection behavior. The changes are consistent across different components (server, discoverer, and agent client), which should lead to a more uniform and manageable configuration approach.
Consider the following recommendations:
- Develop a comprehensive guide on tuning these new gRPC options for different deployment scenarios and workloads.
- Implement monitoring and alerting for key metrics related to these new options (e.g., concurrent streams, idle connections) to help operators optimize configurations.
- Consider creating pre-set configuration profiles (e.g., high-performance, low-latency, resource-constrained) that users can easily apply based on their needs.
- Ensure that the default values chosen for these new options provide a good balance between performance and resource usage for most common deployment scenarios.
k8s/gateway/gateway/lb/configmap.yaml (4)
45-45: LGTM: New gRPC server options enhance configurabilityThe new gRPC server options (
enable_channelz,max_concurrent_streams,num_stream_workers,shared_write_buffer, andwait_for_handlers) provide more granular control over server behavior and performance. These additions align well with the PR objectives of enhancing gRPC configurations.Consider updating the project documentation to explain these new options, their default values, and their impact on server performance and behavior.
Also applies to: 60-60, 64-64, 66-67
274-274: LGTM: Enhanced gRPC call optionsThe addition of
content_subtypeanduser_agentin thecall_optionsection provides more control over gRPC call metadata. Setting the user agent to "Vald-gRPC" is a good practice for identification and debugging purposes.Consider making the
user_agentvalue configurable, allowing users to set custom user agents if needed. This could be useful for tracking different client versions or deployments.Also applies to: 328-328
280-280: LGTM: Comprehensive gRPC dial options addedThe new dial options (
authority,disable_retry,idle_timeout,max_call_attempts,max_header_list_size,shared_write_buffer, anduser_agent) provide fine-grained control over gRPC connection behavior and retry logic. These additions align well with the PR objectives of enhancing gRPC configurations.
- Consider updating the project documentation to explain these new options, their default values, and their impact on connection behavior and performance.
- The
idle_timeoutis set to 1h, which seems reasonable. However, you might want to make this configurable or adjust based on your specific use case and expected traffic patterns.- As mentioned earlier, consider making the
user_agentvalue configurable.Also applies to: 285-287, 296-297, 326-326, 328-328
360-360: LGTM: Consistent gRPC options for agent clientsThe changes made to
call_optionanddial_optionin theagent_client_optionssection mirror those made in the gateway configuration. This ensures consistency in gRPC behavior across different components of the system.For consistency and maintainability, consider extracting common gRPC options into a shared configuration section that can be referenced by both gateway and agent client configurations. This would reduce duplication and make it easier to manage these settings in the future.
Also applies to: 366-366, 371-373, 382-383, 412-412, 414-414
k8s/index/job/correction/configmap.yaml (3)
Line range hint
45-67: LGTM. Consider documenting parameter choices.The new gRPC server parameters enhance debugging capabilities and performance control. The changes look good, but I suggest documenting the reasoning behind setting
max_concurrent_streamsandnum_stream_workersto 0, as well as the choice ofshared_write_buffer: false. This documentation will help future maintainers understand the performance implications of these settings.
274-280: LGTM. Document implications of new call options.The new gRPC call options
content_subtypeandmax_call_attemptsprovide more granular control over gRPC calls. However, it would be beneficial to document the implications of leavingcontent_subtypeempty and settingmax_call_attemptsto 0. This will help other developers understand the expected behavior and any potential impact on the system.
Line range hint
280-328: LGTM. Consider documenting dial option choices.The new gRPC dial options provide enhanced control over connection behavior. The changes look good, particularly the setting of
user_agentto "Vald-gRPC" for better client identification. However, I recommend documenting the reasoning behind leavingauthorityempty and settingmax_header_list_sizeto 0. Also, explain the choice of a 1-houridle_timeoutand whyshared_write_bufferis set to false. This documentation will help maintain consistency across the project and assist future developers in understanding these configuration choices.Makefile (1)
393-413: New target added to set correct permissionsThe new
permtarget is a useful addition to the Makefile. It sets the correct permissions for directories and files in the project, which is important for security and consistency. Here's a breakdown of what it does:
- Sets 755 permissions for all directories (except .git)
- Sets 644 permissions for all files (except .git and .gitignore)
- Sets specific permissions for the .git directory and its contents
- Sets 644 permissions for .gitignore and .gitattributes files
This is a good practice for maintaining consistent file permissions across the project.
Consider adding this target to your CI/CD pipeline or as a pre-commit hook to ensure consistent permissions are maintained throughout the development process.
internal/net/grpc/option.go (6)
258-259: Simplify the nil check when initializingg.coptsIn multiple functions, the condition
if g.copts == nil && cap(g.copts) == 0can be simplified toif g.copts == nil. A nil slice in Go already has a capacity of zero, so the additional capacity check is redundant.Also applies to: 268-269, 279-280, 291-292, 301-302
401-402: Simplify the nil check when initializingg.doptsIn functions like
WithInitialWindowSizeandWithInitialConnectionWindowSize, the conditionif g.dopts == nil && cap(g.dopts) == 0can be simplified toif g.dopts == nil. Since a nil slice has zero capacity, the capacity check is unnecessary.Also applies to: 414-415
552-556: Improve error logging for invalid durationsWhen logging invalid durations, using
%dwithtime.Durationdisplays the value in nanoseconds, which may not be clear. Consider using%vor formatting the duration for better readability.Apply this change:
- log.Errorf("invalid idle timeout duration: %d", d) + log.Errorf("invalid idle timeout duration: %v", d)
375-376: Simplify the nil check when initializingg.doptsThe condition
if g.dopts == nil && cap(g.dopts) == 0can be simplified toif g.dopts == nilin functions likeWithWriteBufferSize,WithReadBufferSize, andWithMaxMsgSize. The capacity check is redundant when the slice is nil.Also applies to: 388-389, 428-429
540-541: Redundant condition inWithDisableRetryIn
WithDisableRetry, the function checksif disablebefore appendinggrpc.WithDisableRetry(). Sincegrpc.WithDisableRetry()disables retries unconditionally, you can simplify the function by always appending the option if the intention is to disable retries whendisableis true.
Line range hint
622-642: Handle default case inWithClientInterceptorsIn the
WithClientInterceptorsfunction, the default case in the switch statement is empty. Consider adding a log or comment to handle unexpected interceptor names, which can aid in debugging.internal/net/grpc/client.go (1)
149-151: Simplify the condition by removing the nil check on the slice.In Go, a nil slice has a length of zero. Therefore, checking
g.copts != nilis redundant. You can simplify the condition as follows:-if g.copts != nil && len(g.copts) != 0 { +if len(g.copts) != 0 {internal/config/server_test.go (1)
Discrepancy in
server.OptionCount for GRPC ModeThe test expects 31
server.Options whenModeisGRPC, but theOptsmethod is returning 47. Please verify whether the additional 16 options are intentional additions or if they indicate an issue that needs to be addressed.🔗 Analysis chain
Line range hint
1372-1427: Verify the expected number of server.Options in GRPC modeThe test case now expects 31
server.Options whenModeisGRPC. Please verify that this number accurately reflects the actual options returned by theOptsmethod, as the addition of new gRPC configurations may have altered the option count.Run the following script to count the number of
server.Withoptions returned by theOptsmethod:🏁 Scripts executed
The following scripts were executed for the analysis:
Script:
#!/bin/bash # Description: Count the number of server.Options returned by the Opts() method in GRPC mode. # Test: Ensure the count matches the expected 31 options. ast-grep --lang go --pattern $'func (s *Server) Opts() []server.Option { $$$ }' internal/config/server.go -A 100 | grep -E 'server\.With' | wc -lLength of output: 151
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⛔ Files ignored due to path filters (21)
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- internal/config/server.go (2 hunks)
- internal/config/server_test.go (5 hunks)
- internal/db/rdb/mysql/dbr/dbr.go (1 hunks)
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- internal/db/rdb/mysql/dbr/tx.go (1 hunks)
- internal/net/grpc/client.go (1 hunks)
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- internal/servers/server/option_test.go (2 hunks)
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- k8s/agent/ngt/configmap.yaml (2 hunks)
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- k8s/gateway/gateway/lb/configmap.yaml (8 hunks)
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- k8s/gateway/gateway/mirror/configmap.yaml (1 hunks)
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- k8s/index/job/correction/configmap.yaml (9 hunks)
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- k8s/manager/index/configmap.yaml (6 hunks)
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- k8s/operator/helm/crds/valdrelease.yaml (94 hunks)
- versions/CMAKE_VERSION (1 hunks)
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✅ Files skipped from review due to trivial changes (30)
- .github/ISSUE_TEMPLATE/bug_report.md
- .github/ISSUE_TEMPLATE/security_issue_report.md
- .github/PULL_REQUEST_TEMPLATE.md
- dockers/agent/core/agent/Dockerfile
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🧰 Additional context used
🔇 Additional comments (101)
charts/vald/values.schema.json (22)
1419-1422: Approved: New gRPC server configuration option addedThe addition of the
enable_channelzoption enhances the configurability of the gRPC server. This boolean property allows users to enable or disable the gRPC channelz feature, which is useful for debugging and performance analysis.
1485-1488: Approved: Added max_concurrent_streams configurationThe new
max_concurrent_streamsproperty is a valuable addition to the gRPC server configuration. It allows users to set an upper limit on the number of concurrent streams, which can help in managing server resources and mitigating potential DoS attacks.
3114-3117: Approved: Consistent addition of enable_channelz optionThis segment duplicates the
enable_channelzoption in another part of the configuration schema. This duplication is likely intentional to maintain consistency across different configuration sections, which is a good practice.
3180-3183: Approved: Consistent addition of max_concurrent_streams optionThis segment duplicates the
max_concurrent_streamsoption in another part of the configuration schema. This duplication maintains consistency across different configuration sections, which is a good practice for schema design.
3196-3211: Approved: Consistent addition of gRPC server configuration optionsThis segment duplicates the
num_stream_workers,shared_write_buffer, andwait_for_handlersoptions in another part of the configuration schema. This duplication ensures consistency across different configuration sections, which is crucial for maintaining a clear and uniform schema structure.
4765-4768: Approved: Consistent addition of enable_channelz optionThis segment duplicates the
enable_channelzoption in another part of the configuration schema. This repetition maintains consistency across different configuration sections, which is a good practice for schema design and usability.
4831-4834: Approved: Consistent addition of max_concurrent_streams optionThis segment duplicates the
max_concurrent_streamsoption in another part of the configuration schema. This repetition ensures consistency across different configuration sections, which is essential for maintaining a clear and uniform schema structure.
4847-4862: Approved: Consistent addition of gRPC server configuration optionsThis segment duplicates the
num_stream_workers,shared_write_buffer, andwait_for_handlersoptions in another part of the configuration schema. This repetition maintains consistency across different configuration sections, which is crucial for a clear and uniform schema structure.
6371-6374: Approved: Consistent addition of enable_channelz optionThis segment duplicates the
enable_channelzoption in yet another part of the configuration schema. This repetition continues to maintain consistency across different configuration sections, adhering to the established pattern in the schema design.
6437-6440: Approved: Consistent addition of max_concurrent_streams optionThis segment duplicates the
max_concurrent_streamsoption in another part of the configuration schema. This repetition continues to ensure consistency across different configuration sections, maintaining the established pattern in the schema design.
6453-6468: Approved: Consistent addition of gRPC server configuration optionsThis segment duplicates the
num_stream_workers,shared_write_buffer, andwait_for_handlersoptions in another part of the configuration schema. This repetition maintains the established pattern of consistency across different configuration sections, which is crucial for a clear and uniform schema structure.
7002-7013: Approved: Consistent addition of gRPC client dial optionsThis segment duplicates the
disable_retryandidle_timeoutoptions in another part of the configuration schema. This repetition maintains consistency across different configuration sections, adhering to the established pattern in the schema design.
7051-7058: Approved: Consistent addition of gRPC client dial optionsThis segment duplicates the
max_call_attemptsandmax_header_list_sizeoptions in another part of the configuration schema. This repetition continues to ensure consistency across different configuration sections, maintaining the established pattern in the schema design.
7176-7187: Approved: Consistent addition of gRPC client dial optionsThis segment duplicates the
shared_write_bufferanduser_agentoptions in another part of the configuration schema. This repetition maintains consistency across different configuration sections, adhering to the established pattern in the schema design.
7357-7368: Approved: Consistent addition of gRPC client dial optionsThis segment duplicates the
disable_retryandidle_timeoutoptions in another part of the configuration schema. This repetition continues to maintain consistency across different configuration sections, adhering to the established pattern in the schema design.
7406-7413: Approved: Consistent addition of gRPC client dial optionsThis segment duplicates the
max_call_attemptsandmax_header_list_sizeoptions in another part of the configuration schema. This repetition maintains consistency across different configuration sections, continuing the established pattern in the schema design.
7531-7542: Approved: Consistent addition of gRPC client dial optionsThis segment duplicates the
shared_write_bufferanduser_agentoptions in another part of the configuration schema. This repetition continues to maintain consistency across different configuration sections, adhering to the established pattern in the schema design.
7704-7715: Approved: Consistent addition of gRPC client dial optionsThis segment duplicates the
disable_retryandidle_timeoutoptions in another part of the configuration schema. This repetition continues to maintain consistency across different configuration sections, adhering to the established pattern in the schema design.
7753-7760: Approved: Consistent addition of gRPC client dial optionsThis segment duplicates the
max_call_attemptsandmax_header_list_sizeoptions in another part of the configuration schema. This repetition maintains consistency across different configuration sections, continuing the established pattern in the schema design.
7878-7889: Approved: Consistent addition of gRPC client dial optionsThis segment duplicates the
shared_write_bufferanduser_agentoptions in another part of the configuration schema. This repetition continues to maintain consistency across different configuration sections, adhering to the established pattern in the schema design.
8947-8950: Approved: Consistent addition of enable_channelz optionThis segment duplicates the
enable_channelzoption in another part of the configuration schema. This repetition continues to maintain consistency across different configuration sections, adhering to the established pattern in the schema design.
9013-9016: Approved: Consistent addition of max_concurrent_streams optionThis segment duplicates the
max_concurrent_streamsoption in another part of the configuration schema. This repetition maintains consistency across different configuration sections, continuing theinternal/net/grpc/health/health.go (2)
21-24: LGTM: Import changes enhance functionality and readability.The addition of the
logpackage and the use of thehealthpbalias forgrpc_health_v1are appropriate changes that support the new functionality and improve code readability.
28-28: Approve signature change, but verify impact on existing code.The simplified function signature aligns well with the new implementation that dynamically registers all services. However, this change may impact existing code that calls this function.
Please run the following script to check for any calls to the old
Registerfunction that might need updating:internal/db/rdb/mysql/dbr/dbr.go (1)
62-68: 🛠️ Refactor suggestionConsider renaming and documenting the function for clarity
The function name
prepareSelectdoesn't clearly convey its purpose of converting a slice to a slice of empty interfaces. Consider renaming it to something more descriptive, such astoInterfaceSliceorconvertToAnySlice.Additionally, add a comment explaining the function's purpose and usage to improve code readability and maintainability.
Simplify implementation using
appendThe current implementation can be simplified using the
appendfunction, which may be more idiomatic in Go. Here's an alternative implementation:-func prepareSelect[T any](a ...T) (b []any) { - b = make([]any, len(a)) - for i := range a { - b[i] = a[i] - } - return b +func prepareSelect[T any](a ...T) []any { + return append(make([]any, 0, len(a)), a...) +}This implementation preallocates the slice capacity for efficiency and uses
appendto add all elements at once.Be cautious of type safety implications
While this function provides flexibility, be aware that converting to
[]anyloses type information. Ensure that the calling code handles type assertions or type switches carefully to maintain type safety.To verify the usage and potential type safety issues, you can run the following script:
This script will help identify where
prepareSelectis used and how the resulting[]anyis handled in the codebase.✅ Verification successful
Usage of prepareSelect is correct and type-safe
The
prepareSelectfunction is used appropriately in theinternal/db/rdb/mysql/dbrpackage for preparing arguments for SQL queries. Its usage is limited to theSelectmethod of bothsessionandtxstructs. The function's implementation using generics ensures type safety during the conversion to[]interface{}, which is a common requirement for SQL operations.No type assertions or unsafe type switches related to
prepareSelectwere found in the codebase, indicating that the resulting[]interface{}is likely used directly in SQL operations as intended.While the suggestion to rename the function for clarity and using
appendfor a more idiomatic implementation are still valid, there are no apparent type safety issues introduced by the current implementation or usage ofprepareSelect.🏁 Scripts executed
The following scripts were executed for the analysis:
Script:
#!/bin/bash # Description: Check for usage of prepareSelect and potential type assertions # Search for usage of prepareSelect echo "Usage of prepareSelect:" rg --type go "prepareSelect\(" -A 5 # Search for type assertions or switches that might be related echo "Potential type assertions or switches:" rg --type go "(\.\(.*\)|\bswitch\s+.*\.(type)\b)" -A 5Length of output: 261169
internal/db/rdb/mysql/dbr/session.go (2)
Line range hint
1-78: Overall assessment of changes in session.goThe modification to the
Selectmethod is the only change in this file. The introduction ofprepareSelectpotentially impacts all SELECT queries, but the unchanged method signature maintains backward compatibility. The rest of the file, including other crucial methods likeBegin,Close, andPingContext, remain unaltered.To ensure the reliability of this change:
- Verify that the
prepareSelectfunction correctly handles all possible input scenarios.- Update unit tests for the
Selectmethod to cover various column input cases.- Perform integration tests to ensure that existing queries using this
Selectmethod still function as expected.To further validate the impact of this change, please run the following script:
#!/bin/bash # Description: Find test files related to the Select method and prepareSelect function echo "Test files potentially affected by the Select method change:" rg --type go "func Test.*Select" --files-with-matches echo "\nTest files that might need updating for prepareSelect:" rg --type go "prepareSelect" --files-with-matches -g '*_test.go'This will help identify test files that may need updating to cover the new
prepareSelectfunctionality.
45-45: Review the impact ofprepareSelecton SELECT queriesThe introduction of
prepareSelect(column...)alters how columns are processed before being passed to the underlyingSelectmethod. This change could have significant implications for all SELECT queries in the system.
Could you provide more information about the
prepareSelectfunction? Understanding its purpose and implementation would help in assessing the full impact of this change.Consider adding a comment to explain why this preprocessing step was introduced. This would help future maintainers understand the rationale behind the change.
Ensure thorough testing of various SELECT queries to verify that this change doesn't introduce any unexpected behavior, especially with complex queries or edge cases.
To help verify the impact and usage of this new
prepareSelectfunction, please run the following script:This will help us understand the implementation of
prepareSelectand identify if it's used consistently across the codebase.internal/db/rdb/mysql/dbr/tx.go (1)
67-69: Verify the impact ofprepareSelecton existing queriesThe introduction of
prepareSelect(column...)in theSelectmethod could potentially change how column names are processed. While this might improve column handling, it could also affect existing queries.To ensure this change doesn't introduce unexpected behavior:
- Review the implementation of
prepareSelectto understand its exact behavior.- Test this change with various column inputs, including edge cases.
- Verify that existing queries using this
Selectmethod still work as expected.Run the following script to find usages of this
Selectmethod across the codebase:Review the results to identify any potential impacts on existing code.
internal/net/grpc/health/health_test.go (4)
26-26: LGTM: Import addition is appropriate.The addition of the
healthpbimport is necessary and aligns with its usage in the updated test function.
56-56: LGTM: Test case setup correctly updated.The removal of the
namefield from the test case setup is consistent with the changes to theargsstruct and theRegisterfunction signature. This change appropriately focuses the test on the server registration functionality.
Line range hint
1-89: Overall, the changes improve test quality and consistency.The modifications to this test file are well-aligned with the updated
Registerfunction signature. They simplify the test setup, improve robustness by using the official service descriptor, and maintain consistency throughout the file. These changes contribute to a more maintainable and reliable test suite for the health check functionality.
83-83: LGTM: Register function call updated correctly.The
Registerfunction call has been appropriately updated to only pass thesrvargument, which is consistent with the changes to the function signature.To ensure full consistency, let's verify the actual
Registerfunction implementation:✅ Verification successful
LGTM: Register function call and implementation verified correctly.
The
Registerfunction has been appropriately updated to accept only thesrvargument, and its implementation aligns with this change. The test case correctly utilizes the updated function signature.🏁 Scripts executed
The following scripts were executed for the analysis:
Script:
#!/bin/bash # Description: Verify the Register function signature in the health.go file # Test: Search for the Register function definition rg --type go -A 5 'func Register\(' internal/net/grpc/health/health.goLength of output: 356
dockers/tools/benchmark/operator/Dockerfile (1)
88-88: LGTM: Improved Dockerfile formatting.The addition of a newline character at the end of the ENTRYPOINT directive improves the Dockerfile's readability and adheres to best practices.
dockers/tools/benchmark/job/Dockerfile (2)
Line range hint
96-97: LGTM: Improved formatting.The added newline after the ENTRYPOINT instruction improves readability without affecting functionality.
Line range hint
1-97: LGTM: Well-structured Dockerfile with good practices.The Dockerfile demonstrates several best practices:
- Multi-stage build for a smaller final image.
- Use of distroless base image in the final stage for improved security.
- Non-root user in the final stage.
- Proper cleanup of build artifacts and apt caches.
- Use of ARGs for flexible builds across different architectures and OS.
- Clear ENTRYPOINT for running the job binary.
These practices contribute to a secure, efficient, and maintainable container image.
dockers/ci/base/Dockerfile (1)
130-130: LGTM! Good formatting practice.The addition of a newline after the ENTRYPOINT instruction is a good formatting practice. It doesn't change the functionality but improves readability and adheres to common file format conventions.
dockers/dev/Dockerfile (1)
48-48: LGTM: Addition of CARGO_HOME environment variableThe addition of the
CARGO_HOMEenvironment variable is a good practice for Rust development. It ensures that Cargo (Rust's package manager) has a consistent location for its files, which is important for reproducible builds and efficient package management.This change aligns well with the PR objectives of enhancing the development environment.
k8s/index/operator/deployment.yaml (1)
49-49: LGTM! Verify ConfigMap update.The checksum update for the ConfigMap is correct and aligns with the PR objectives to enhance gRPC configurations. This change will trigger a rolling update of the Deployment, ensuring that the pods use the updated configuration.
To confirm the ConfigMap update, run the following script:
This script will display the current state of the ConfigMap, allowing you to verify that the changes mentioned in the PR objectives have been applied correctly.
k8s/discoverer/deployment.yaml (1)
49-49: LGTM! Verify ConfigMap update.The checksum update for the ConfigMap is correct and expected when the ConfigMap contents are modified. This change likely reflects the new gRPC configuration options mentioned in the PR objectives.
To ensure the ConfigMap has been properly updated, run the following script:
k8s/manager/index/deployment.yaml (1)
49-49: LGTM. Verify associated ConfigMap changes.The update to the
checksum/configmapannotation is correct and follows best practices for triggering rolling updates when configurations change. This change doesn't introduce any issues by itself.To ensure the configuration change aligns with the PR objectives, please verify the associated ConfigMap changes. Run the following script to check the ConfigMap:
This will help ensure that the new gRPC options mentioned in the PR objectives are correctly reflected in the ConfigMap.
✅ Verification successful
LGTM. All associated ConfigMap changes have been verified.
🏁 Scripts executed
The following scripts were executed for the analysis:
Script:
#!/bin/bash # Description: Verify the ConfigMap changes for vald-manager-index # Test: Retrieve and display the ConfigMap kubectl get configmap vald-manager-index-config -o yaml # Test: Check for new gRPC server and client configurations kubectl get configmap vald-manager-index-config -o yaml | grep -E "enable_channelz|max_concurrent_streams|num_stream_workers|shared_write_buffer|wait_for_handlers|content_subtype|authority|disable_retry|idle_timeout|max_call_attempts|max_header_list_size"Length of output: 465
Script:
#!/bin/bash # Description: Locate the vald-manager-index ConfigMap YAML file # Find files named 'vald-manager-index-config' with YAML extension fd -e yaml vald-manager-index-configLength of output: 38
Script:
#!/bin/bash # Description: Verify gRPC configurations in the ConfigMap # Locate the ConfigMap file CONFIGMAP_FILE=$(fd -e yaml vald-manager-index-config | head -n 1) # Check if the ConfigMap file was found if [ -z "$CONFIGMAP_FILE" ]; then echo "ConfigMap file vald-manager-index-config.yaml not found." exit 1 fi # Search for the specific gRPC configurations rg "enable_channelz|max_concurrent_streams|num_stream_workers|shared_write_buffer|wait_for_handlers|content_subtype|authority|disable_retry|idle_timeout|max_call_attempts|max_header_list_size" "$CONFIGMAP_FILE"Length of output: 218
Script:
#!/bin/bash # Description: List all ConfigMap YAML files in the repository # Search for all YAML files containing 'kind: ConfigMap' rg -l "kind: ConfigMap" --glob "*.yaml" || echo "No ConfigMap YAML files found."Length of output: 2018
Script:
#!/bin/bash # Description: Verify gRPC configurations in all ConfigMaps # Find all ConfigMap YAML files CONFIGMAP_FILES=$(rg -l "kind: ConfigMap" --glob "*.yaml") # Check if any ConfigMap files were found if [ -z "$CONFIGMAP_FILES" ]; then echo "No ConfigMap YAML files found." exit 1 fi # Define the gRPC configuration parameters to search for GRPC_PARAMS="enable_channelz|max_concurrent_streams|num_stream_workers|shared_write_buffer|wait_for_handlers|content_subtype|authority|disable_retry|idle_timeout|max_call_attempts|max_header_list_size" # Iterate over each ConfigMap file and search for gRPC configurations for file in $CONFIGMAP_FILES; do echo "Checking $file for gRPC configurations..." rg "$GRPC_PARAMS" "$file" || echo "No gRPC configurations found in $file." doneLength of output: 68337
internal/net/grpc/server.go (1)
116-119: LGTM: MaxConcurrentStreams implementationThe
MaxConcurrentStreamsfunction is correctly implemented as a wrapper aroundgrpc.MaxConcurrentStreams. It maintains the correct parameter and return types, adhering to the gRPC naming convention and functionality.k8s/agent/ngt/configmap.yaml (1)
Line range hint
45-67: Review of new gRPC server configuration optionsThe new gRPC server configuration options enhance the server's capabilities and align with the PR objectives. Here's a breakdown of the changes:
enable_channelz: true(line 45): This is good for improving observability of gRPC channels.max_concurrent_streams: 0(line 60): This allows unlimited concurrent streams, which could potentially lead to resource exhaustion under high load.num_stream_workers: 0(line 64): This uses the default number of stream workers, which is generally safe but may not be optimal for all scenarios.shared_write_buffer: false(line 66): This can potentially improve performance by giving each stream its own write buffer, at the cost of increased memory usage.wait_for_handlers: true(line 67): This is good for ensuring graceful shutdowns.These settings generally improve the gRPC server's configuration. However, I recommend verifying the impact of setting
max_concurrent_streamsto 0 (unlimited) in your specific use case. Consider setting a reasonable limit to prevent potential resource exhaustion under high load.To help verify the impact, you can run the following command to check for any other occurrences of
max_concurrent_streamsin the codebase:This will help ensure consistency across the configuration and identify any potential conflicts or overrides.
✅ Verification successful
Configuration Consistency Verified
The
max_concurrent_streams: 0setting is consistently applied across the codebase in all relevant configmap files and Helm charts. This indicates an intentional configuration choice to allow unlimited concurrent streams. Given the widespread adoption, the setting is appropriate and aligns with the project's scalability and resource management strategies.🏁 Scripts executed
The following scripts were executed for the analysis:
Script:
#!/bin/bash # Search for other occurrences of max_concurrent_streams rg --type yaml 'max_concurrent_streams:' -C 3Length of output: 155643
k8s/discoverer/configmap.yaml (2)
66-66: LGTM: Disabled shared write buffer for potential performance improvementSetting
shared_write_buffer: falseis a reasonable choice. This configuration means each stream will have its own buffer, which can reduce contention and potentially improve performance.Monitor the memory usage of your gRPC server after deploying this change. If you notice significant increases in memory consumption, you may need to reconsider this setting or adjust your resource allocation.
67-67: LGTM: Enabled waiting for handlers during shutdownSetting
wait_for_handlers: trueis a good choice for improving reliability during server shutdown. This ensures that all ongoing requests are properly handled before the server stops.Monitor the shutdown behavior of your gRPC server after deploying this change. If you notice significantly increased shutdown times, you may need to:
- Adjust your deployment strategy to account for longer shutdown periods.
- Implement a timeout mechanism for long-running handlers to prevent excessively long shutdowns.
Consider logging the shutdown duration to track this metric over time.
k8s/gateway/gateway/mirror/configmap.yaml (3)
28-28: LGTM: New gRPC server configuration options added.The new gRPC server configuration options (
enable_channelz,num_stream_workers,shared_write_buffer, andwait_for_handlers) have been successfully added, aligning with the PR objectives. These additions enhance the server's configurability and performance management capabilities.Please ensure that these new settings align with your performance requirements and use cases:
enable_channelz: true- This enables gRPC's channelz service, which can be useful for debugging but may have a slight performance impact.num_stream_workers: 0- This setting uses the default number of workers. Consider adjusting if you have specific concurrency requirements.shared_write_buffer: false- This uses separate write buffers per stream, which can be beneficial for performance in some scenarios.wait_for_handlers: true- This ensures all handlers are ready before serving, which can improve reliability during startup.
28-28: LGTM: TCP_CORK enabled for metrics server.The
tcp_corkoption has been enabled for the metrics server, which can potentially improve network efficiency by coalescing small writes.Please verify that enabling TCP_CORK doesn't negatively impact the responsiveness of the metrics server, especially for time-sensitive metrics. Consider monitoring the following after deployment:
- Latency of metric retrieval
- CPU usage of the metrics server
- Network efficiency (e.g., number of packets sent)
If you notice any degradation in performance or responsiveness, you may want to reconsider this setting.
28-28: LGTM with suggestions: New gRPC client configuration options added.The new gRPC client configuration options (
authority,max_call_attempts, anduser_agent) have been successfully added, aligning with the PR objectives. These additions provide more control over the client's behavior.Please address the following points:
authority: ""- Clarify the purpose of leaving this empty. Is it intentional to use the default authority?
max_call_attempts: 0- This setting might indicate unlimited retry attempts, which could potentially lead to issues in case of persistent failures. Consider setting a reasonable upper limit to prevent excessive resource consumption.
user_agent: Vald-gRPC- This is a good addition for identification. Ensure this user agent string is consistent across all Vald components for easier debugging and monitoring.Additionally, please verify that these new client settings work as expected in your testing environment, particularly focusing on the retry behavior and any impact on performance or resource usage.
k8s/index/job/save/configmap.yaml (4)
45-45: New gRPC server options addedThe following new gRPC server options have been added:
enable_channelz: true: This enables the gRPC channelz service, which can be useful for debugging and monitoring gRPC internals.max_concurrent_streams: 0: This uses the default value (no explicit limit on concurrent streams).num_stream_workers: 0: This likely uses the default value for stream workers.shared_write_buffer: false: This is generally the default and safer option, preventing shared write buffers across streams.wait_for_handlers: true: This ensures all handlers are ready before the server starts serving requests.These additions provide more fine-grained control over the gRPC server behavior and can help with debugging and performance tuning.
To ensure these new options are properly recognized and applied, please verify that the gRPC server initialization code in the application correctly reads and applies these configuration values.
Also applies to: 60-60, 64-67
274-274: New gRPC client options addedSeveral new gRPC client options have been added to both the discoverer and agent_client_options sections:
content_subtype: "": Uses the default content subtype.authority: "": Uses the default authority (usually the server's address).disable_retry: false: Allows retries, which is good for reliability.idle_timeout: 1h: Sets a 1-hour idle timeout, suitable for long-running services.max_call_attempts: 0: Likely uses the default value for maximum call attempts.max_header_list_size: 0: Likely uses the default value for maximum header list size.user_agent: Vald-gRPC: Sets a custom user agent, which is good for identification in logs and metrics.These additions provide more control over the gRPC client behavior and can help with debugging, performance tuning, and reliability.
To ensure these new options are correctly applied, please verify that the gRPC client initialization code in the application properly reads and uses these configuration values.
Also applies to: 280-280, 285-287, 296-297, 326-328
Line range hint
1-424: Overall structure and consistencyThe changes to this ConfigMap are well-structured and consistent with the existing configuration:
- New options are logically placed within their respective sections (server_config and saver).
- Indentation and formatting are consistent throughout the file.
- The overall organization of the ConfigMap remains clear and easy to navigate.
The integration of new gRPC server and client options maintains the file's readability and adheres to the established configuration patterns.
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1-424: Summary of changes and final considerationsThis pull request introduces several valuable enhancements to the vald-index-save ConfigMap:
- New gRPC server options for improved control and debugging capabilities.
- Additional gRPC client options for both the discoverer and agent clients, allowing for better fine-tuning of connection behavior.
These changes provide more flexibility in configuring the vald-index-save component, which can lead to improved performance, reliability, and debuggability.
Final considerations:
- Ensure that the application code correctly reads and applies these new configuration options.
- Update the documentation to reflect these new configuration possibilities.
- Consider adding comments in the ConfigMap to explain the purpose and impact of the new options, especially for non-obvious settings like
max_concurrent_streams: 0.- Plan for testing these new configuration options in various scenarios to validate their impact on the system's behavior and performance.
Overall, these changes appear to be a positive enhancement to the Vald project's configurability.
k8s/index/job/creation/configmap.yaml (6)
67-67: Approved: Waiting for handlers improves reliability.Setting
wait_for_handlers: trueis a good practice. It ensures that the gRPC server waits for all handlers to be registered before starting, which can prevent issues with early requests to unregistered handlers.Consider adding a comment to explain this behavior:
wait_for_handlers: true # Ensure all handlers are registered before the server startsThis setting might slightly increase startup time, but it improves the reliability of your service.
66-66: Monitor the impact of disabling shared write buffer.Setting
shared_write_buffer: falsemeans each stream will have its own write buffer. This can potentially improve performance by reducing contention, but it may also increase memory usage.Consider monitoring the performance and memory usage of your gRPC server after implementing this change. If you notice significant memory pressure, you might want to reconsider this setting or adjust your server's resources accordingly.
To help monitor the impact, consider setting up metrics for gRPC server memory usage and performance. You can verify if such metrics are already in place by running:
#!/bin/bash # Check for gRPC server metrics related to memory usage and performance rg 'grpc.*metrics|memory.*usage|performance.*monitor' --type go
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274-329: Review and document critical gRPC client settings.Several new gRPC client configurations have been added. Pay special attention to these settings:
disable_retry: false(line 285): Ensure this aligns with your error handling and resilience strategy.idle_timeout: 1h(line 287): Consider if this timeout is appropriate for your use case.max_call_attempts: 0(line 296): This sets no limit on call attempts. Consider setting a reasonable limit.user_agent: Vald-gRPC(line 328): Ensure this user agent string is appropriate and doesn't leak sensitive information.It's recommended to add comments explaining the reasoning behind these choices, especially for settings that differ from defaults or have significant impact on behavior.
Example:
disable_retry: false # Retries enabled to improve resilience against transient failures idle_timeout: 1h # Long-lived connections to reduce connection establishment overhead max_call_attempts: 5 # Limit retries to prevent excessive load during outagesTo ensure these settings are consistently applied across the project, run:
#!/bin/bash # Check for consistency in gRPC client settings across the project rg 'disable_retry|idle_timeout|max_call_attempts|user_agent' --type yaml
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360-365: Verify consistency of gRPC client settings across different clients.The gRPC client settings added here for the agent client options mirror those added earlier for the discoverer client. While consistency is generally good, please verify that these settings are indeed appropriate for both clients:
call_option: content_subtype: "" max_recv_msg_size: 0 max_retry_rpc_buffer_size: 0 max_send_msg_size: 0 wait_for_ready: trueIf the requirements for the agent client differ from the discoverer client, consider adjusting these settings accordingly. If they are intentionally kept the same, consider extracting these common settings into a shared configuration to improve maintainability.
To check for any differences in gRPC client settings between discoverer and agent clients, run:
#!/bin/bash # Compare gRPC client settings between discoverer and agent clients echo "Discoverer client settings:" sed -n '/discoverer:/,/agent_client_options:/p' k8s/index/job/creation/configmap.yaml | grep -E 'call_option:|content_subtype:|max_recv_msg_size:|max_retry_rpc_buffer_size:|max_send_msg_size:|wait_for_ready:' echo "Agent client settings:" sed -n '/agent_client_options:/,$p' k8s/index/job/creation/configmap.yaml | grep -E 'call_option:|content_subtype:|max_recv_msg_size:|max_retry_rpc_buffer_size:|max_send_msg_size:|wait_for_ready:'
64-64: Clarify the intended behavior ofnum_stream_workers: 0.The setting
num_stream_workers: 0might have different implications depending on the gRPC implementation. It could mean using a default number of workers or enabling auto-scaling. Please clarify the intended behavior and consider adding a comment explaining the choice.For example:
num_stream_workers: 0 # Use default worker count (or auto-scale, depending on implementation)This will help future maintainers understand the reasoning behind this configuration.
To verify the behavior, please run the following script:
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1-424: Summary of gRPC configuration enhancementsThis PR introduces several new gRPC configurations for both server and client sides in the vald-index-creation component. These changes provide more fine-grained control over gRPC behavior, potentially improving performance, reliability, and debugging capabilities.
Key points to consider:
- Server-side changes include enabling Channelz, adjusting concurrent streams, and modifying buffer behaviors.
- Client-side changes introduce new options for retries, timeouts, and connection management.
- Some settings (e.g.,
max_concurrent_streams: 0) may need adjustment to prevent potential issues.- Consider adding more inline documentation to explain the reasoning behind specific configuration choices.
Overall, these changes enhance the flexibility of the gRPC setup. However, it's crucial to thoroughly test these configurations under various load conditions to ensure they meet performance and reliability expectations.
To ensure comprehensive testing of the new gRPC configurations, consider running the following verification:
If the search doesn't yield results, consider adding performance tests that specifically target these new gRPC configurations.
k8s/index/job/correction/configmap.yaml (3)
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363-417: Consistent changes applied to discoverer client. Verify intention.The changes applied to the discoverer client configuration mirror those made in the gateway section. This consistency is good for maintaining a uniform configuration across components. However, please verify that this duplication is intentional and that the discoverer client indeed requires the same configuration as the gateway. If there are any discoverer-specific considerations, they should be reflected in the configuration.
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449-507: LGTM. Minor formatting changes.The changes in the agent_client_options section are minimal and appear to be formatting adjustments for some numeric values. These changes don't affect functionality and improve consistency in number representation. The modifications look good.
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1-507: Overall LGTM. Comprehensive gRPC configuration enhancements.This PR introduces a comprehensive set of gRPC configuration enhancements across various components of the Vald system. The changes improve debugging capabilities (e.g.,
enable_channelz), provide finer control over connection and stream management (e.g.,max_concurrent_streams,idle_timeout), and ensure consistent configuration across different components.These modifications align well with the PR objectives of enhancing gRPC server and client configurations. They should lead to improved performance, better resource management, and easier debugging of gRPC-related issues.
To further improve this PR:
- Consider adding comments in the YAML file to explain the reasoning behind specific parameter choices, especially for values set to 0 or empty strings.
- Ensure that the duplication of configuration between the gateway and discoverer client is intentional.
- Consider creating or updating documentation that explains these new gRPC options and their impact on the system's behavior and performance.
hack/go.mod.default (2)
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1-349: Overall assessment of go.mod changesThe changes in this file are focused on updating the versions of Kubernetes-related packages and the controller-runtime. These updates are likely to bring improvements and bug fixes, but they also require careful testing to ensure compatibility with the rest of the project.
The rest of the file, including the numerous replace directives, remains unchanged. This suggests that the update is targeted and intentional, focusing on specific components of the project's dependencies.
The changes look good overall, but please ensure that the verification steps mentioned earlier are completed to guarantee a smooth integration of these updated dependencies.
332-337: Kubernetes package versions updated - verify compatibilityThe Kubernetes-related packages have been updated from v0.30.3 to v0.31.1, and the controller-runtime has been updated from v0.18.4 to v0.19.0. These updates may introduce new features, bug fixes, or potentially breaking changes.
To ensure these updates don't introduce any issues:
Review the changelogs for these packages to understand the changes:
Run the following commands to check for any compatibility issues:
If any issues are found, please address them before merging this PR.
The version updates look good, but please ensure compatibility with the rest of the project.
Also applies to: 340-341, 344-344
k8s/index/operator/configmap.yaml (3)
28-28: Summary of changes and recommendationsThe modifications to this ConfigMap enhance the gRPC server configuration and define job templates for various operations. The changes align well with the PR objectives to improve performance and resource management. Key points:
- New gRPC options have been added to improve server capabilities.
- TCP Cork option has been disabled, which may affect network performance.
- Job templates include Pyroscope profiling annotations for better observability.
Recommendations:
- Verify the
num_stream_workerssetting to ensure it's optimal for your use case.- Consider using specific version tags for container images in production environments.
- Test the TCP Cork change to ensure it meets your network performance requirements.
Overall, these changes should enhance the Vald index operator's functionality and observability.
28-28: TCP Cork option disabledThe
tcp_corkoption undersocket_optionhas been changed tofalse. This change might affect network performance, potentially improving latency at the cost of slightly increased bandwidth usage.Please ensure this change aligns with your network performance requirements and has been tested in your environment.
To check for any other TCP-related changes, run:
#!/bin/bash # Check for TCP-related changes in YAML files rg --type yaml 'tcp_' -C 3
28-28: New gRPC options added to enhance server configurationThe following new gRPC options have been added to improve performance and resource management:
enable_channelz: true: Enables the channelz service for better debugging and performance analysis.num_stream_workers: 0: Sets the number of stream workers. Consider if this is intentional, as 0 might affect concurrency handling.shared_write_buffer: false: Disables shared write buffer, which might impact performance.wait_for_handlers: true: Ensures the server waits for handlers before starting, which can affect startup behavior.These changes align with the PR objectives to enhance gRPC server configurations. However, please verify if the
num_stream_workerssetting is intentional and optimal for your use case.To ensure these changes are consistent across the codebase, please run the following command:
✅ Verification successful
To gather the necessary information, I'll generate new shell scripts to search for the gRPC options in YAML files across the repository.
New gRPC options consistently implemented across the codebase
The verification process confirms that the new gRPC options (enable_channelz, num_stream_workers, shared_write_buffer, and wait_for_handlers) have been consistently implemented across various components of the Vald project. Key observations:
- The options are present in multiple YAML files, including configurations for agents, discoverers, gateways, index jobs, and managers.
- Values are consistent across different files:
- enable_channelz: true
- num_stream_workers: 0
- shared_write_buffer: false
- wait_for_handlers: true
- The options are also included in Helm chart values and custom resource definitions (CRDs), allowing for configuration flexibility.
These changes align with the original goal of enhancing gRPC server configurations and have been applied systematically throughout the project.
🏁 Scripts executed
The following scripts were executed for the analysis:
Script:
#!/bin/bash # Check for consistency of new gRPC options across all YAML files rg --type yaml 'enable_channelz|num_stream_workers|shared_write_buffer|wait_for_handlers' -C 5Length of output: 392726
Script:
#!/bin/bash # List all YAML files in the repository echo "YAML files in the repository:" fd -e yaml -e yml # Search for new gRPC options in YAML files echo -e "\nSearching for new gRPC options:" fd -e yaml -e yml | xargs grep -n -A 3 -B 3 'enable_channelz\|num_stream_workers\|shared_write_buffer\|wait_for_handlers'Length of output: 151948
go.mod (3)
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5-345: Replace directives updated appropriatelyThe replace directives have been updated to use newer versions of various dependencies. This is good practice for keeping the project up-to-date with the latest bug fixes and improvements.
Key updates include:
- cloud.google.com/go updated to v0.116.0
- github.com/Azure/azure-sdk-for-go/sdk/azidentity updated to v1.8.0
- Several AWS SDK packages updated to newer versions
These updates should improve compatibility and potentially resolve known issues in older versions.
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350-421: Require statements updated and new dependencies addedThe require statements have been appropriately updated to align with the replace directives and project needs. New dependencies have also been added, which may introduce new functionality to the project.
Notable changes:
- Addition of github.com/unum-cloud/usearch/golang v0.0.0-20241010041055-9bc9936f6b3d
- Updates to various Google Cloud, Kubernetes, and OpenTelemetry packages
These changes should keep the project up-to-date and potentially introduce new features or improvements.
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423-541: Verify indirect dependencies with placeholder versionsSeveral indirect dependencies have placeholder versions (0.0.0-00010101000000-000000000000). While this is not necessarily an issue, it's important to ensure that these dependencies are correctly resolved by replace directives or direct dependencies.
Please verify that all dependencies with placeholder versions are intentional and properly resolved. You can use the following command to check the actual versions being used:
This will show the actual versions of all dependencies, including those with placeholder versions in the go.mod file.
internal/servers/server/option_test.go (4)
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1-2206: Summary of changes and final considerationsThe changes in this file focus on updating the
WithGRPCMaxHeaderListSizeandWithGRPCHeaderTableSizefunctions to useuint32instead ofintfor their size parameters. These changes improve type safety and prevent the use of negative values for size parameters.Key points to remember:
- Ensure all related implementations and function calls are updated accordingly.
- Verify that these changes don't introduce any breaking changes in the existing codebase.
- Consider updating similar server options for consistency if applicable.
- Update relevant documentation and comments to reflect these changes.
Overall, these changes appear to be a positive improvement to the code's type safety. However, thorough testing should be conducted to ensure that all affected components of the server continue to function as expected with these new type constraints.
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2106-2156: Verify the impact of changingsizeparameter type touint32The
sizeparameter type inWithGRPCMaxHeaderListSizehas been changed frominttouint32. This change prevents the use of negative values, which is logical for a size parameter. However, please ensure the following:
- The actual implementation of
WithGRPCMaxHeaderListSizehas been updated to useuint32.- All calls to this function throughout the codebase have been updated to pass
uint32values.- The change doesn't break any existing functionality that might have relied on the ability to pass negative values (although this would have been an edge case).
Additionally, consider adding a test case for the maximum possible
uint32value to ensure it's handled correctly.To confirm these changes, please run the following commands:
#!/bin/bash # Check if the implementation has been updated grep -R "func WithGRPCMaxHeaderListSize" . # Find all calls to WithGRPCMaxHeaderListSize in the codebase grep -R "WithGRPCMaxHeaderListSize" . # Check for any remaining int to uint32 conversions that might indicate missed updates grep -R "int(.*WithGRPCMaxHeaderListSize" .
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1-2206: Ensure consistency across all server options and configurationsThe changes to
WithGRPCMaxHeaderListSizeandWithGRPCHeaderTableSizeare consistent with each other, both changing frominttouint32. However, it's important to consider the broader impact of these changes:
- Check if there are any other similar server options that should also be updated for consistency.
- Verify that these changes align with any relevant gRPC specifications or best practices.
- Update any documentation or comments that might reference these options to reflect the new
uint32type.- Consider if any default values or constants related to these options need to be adjusted.
To help identify any other potential areas that might need updates, run the following command:
#!/bin/bash # Search for other potential size-related options that might need similar updates grep -R "WithGRPC.*Size" .Consider adding comments to the test functions explaining the rationale behind using
uint32for these size parameters, which could be helpful for future maintainers.
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2156-2206: Verify the impact of changingsizeparameter type touint32The
sizeparameter type inWithGRPCHeaderTableSizehas been changed frominttouint32, mirroring the change inWithGRPCMaxHeaderListSize. This change prevents the use of negative values, which is appropriate for a size parameter. Please ensure the following:
- The actual implementation of
WithGRPCHeaderTableSizehas been updated to useuint32.- All calls to this function throughout the codebase have been updated to pass
uint32values.- The change doesn't break any existing functionality that might have relied on the ability to pass negative values (although this would have been an edge case).
Consider adding a test case for the maximum possible
uint32value to ensure it's handled correctly.To confirm these changes, please run the following commands:
✅ Verification successful
Verification Successful: The
WithGRPCHeaderTableSizefunction now correctly usesuint32for thesizeparameter. All implementations and test cases have been updated accordingly, and there are no lingeringintconversions related to this function.
- The function definition in
option.gousesuint32.- All calls to
WithGRPCHeaderTableSizepass variables of the correct type.- No negative values can be passed, ensuring consistency and preventing related issues.
🏁 Scripts executed
The following scripts were executed for the analysis:
Script:
#!/bin/bash # Check if the implementation has been updated grep -R "func WithGRPCHeaderTableSize" . # Find all calls to WithGRPCHeaderTableSize in the codebase grep -R "WithGRPCHeaderTableSize" . # Check for any remaining int to uint32 conversions that might indicate missed updates grep -R "int(.*WithGRPCHeaderTableSize" .Length of output: 3548
Script:
#!/bin/bash # Confirm that the function WithGRPCHeaderTableSize uses uint32 in its definition grep -R "func WithGRPCHeaderTableSize" . | grep "uint32" # Locate all calls to WithGRPCHeaderTableSize and verify they pass uint32 arguments grep -R "WithGRPCHeaderTableSize(" . | grep ", uint32" # Search for any int type conversions related to WithGRPCHeaderTableSize grep -R "WithGRPCHeaderTableSize" . | grep "int("Length of output: 250
charts/vald/values.yaml (3)
241-265: Improved gRPC server configuration with new performance-tuning optionsThe new parameters added to the gRPC server configuration provide more granular control over server behavior and performance:
max_concurrent_streams: Controls the maximum number of concurrent streams per gRPC connection.num_stream_workers: Sets the number of workers handling streams, potentially improving concurrency.shared_write_buffer: Enables buffer sharing, which may improve memory usage.wait_for_handlers: Ensures graceful shutdown by waiting for handlers to complete.enable_channelz: Activates the channelz service for better observability.These additions align well with the PR objectives and should allow for better fine-tuning of the gRPC server performance.
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756-817: Enhanced gRPC client configuration with new control optionsThe new parameters added to the gRPC client configuration provide more detailed control over client behavior:
content_subtype: Allows specifying the content subtype for gRPC calls.max_header_list_size: Controls the maximum size of the header list.max_call_attempts: Sets the maximum number of attempts for a call.disable_retry: Provides an option to disable retry logic.authority: Allows overriding the :authority pseudo-header.idle_timeout: Sets the duration after which an idle connection will be closed.These additions provide more flexibility in configuring the gRPC client behavior, especially in terms of retry logic, connection management, and header handling. This aligns well with the PR objectives and should allow for better fine-tuning of gRPC client interactions.
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1-3589: Summary: Valuable enhancements to gRPC configurationsThe changes in this file focus on improving the gRPC server and client configurations, which align well with the PR objectives. The new parameters provide more granular control over performance, behavior, and observability for both the server and client sides of gRPC communications.
These enhancements should allow for better fine-tuning of the Vald system's gRPC interactions, potentially improving performance, reliability, and debuggability. The changes are well-documented with comments explaining each new parameter.
No issues were found, and the changes appear to be a positive addition to the configuration options available in the Vald project.
charts/vald-helm-operator/crds/valdrelease.yaml (3)
938-939: New gRPC server configuration options addedSeveral new configuration options have been added to the gRPC server settings:
enable_channelz: Allows for better debugging and introspection of gRPC channels.max_concurrent_streams: Controls the maximum number of concurrent streams per gRPC connection.num_stream_workers: Defines the number of workers handling streams, potentially improving concurrency.shared_write_buffer: Enables a shared buffer for writing, which may improve performance.wait_for_handlers: Determines whether the server should wait for handlers before starting.These additions provide more fine-grained control over the gRPC server's behavior and performance characteristics. They allow for better tuning of the server based on specific deployment needs.
Also applies to: 974-975, 982-989
2227-2228: Enhanced client configuration optionsSeveral new client configuration options have been added:
content_subtype: Allows specifying the content subtype for gRPC requests.authority: Enables overriding the :authority pseudo-header in gRPC requests.disable_retry: Provides an option to disable automatic retries.idle_timeout: Sets the duration a connection can remain idle before being closed.max_call_attempts: Limits the maximum number of attempts for a single call.max_header_list_size: Controls the maximum size of header list that the client is prepared to accept.shared_write_buffer: Enables a shared buffer for writing, potentially improving performance.user_agent: Allows setting a custom user agent string for the client.These additions provide more granular control over client behavior, especially in areas of connection management, retry logic, and request handling. They enable better fine-tuning of client performance and reliability based on specific use cases and network conditions.
Also applies to: 2232-2233, 2242-2243, 2246-2247, 2269-2272, 2334-2335, 2338-2339
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1-14586: Comprehensive update to ValdRelease CRDThis change represents a significant enhancement to the ValdRelease Custom Resource Definition. The new gRPC server and client configuration options have been consistently added across multiple sections of the CRD, including:
- Default configurations
- Agent configurations
- Gateway configurations
- Manager configurations (including index, creator, and saver subsections)
This comprehensive update ensures that these new configuration options are available at various levels of a Vald deployment, providing administrators with fine-grained control over the behavior and performance of different components.
The consistent structure maintained throughout the CRD, despite these additions, is commendable. It preserves the overall organization of the resource definition while significantly expanding its capabilities.
These enhancements will allow for more precise tuning of Vald deployments, potentially leading to improved performance, better resource utilization, and enhanced debugging capabilities across different deployment scenarios.
k8s/operator/helm/crds/valdrelease.yaml (3)
938-939: Approve new gRPC server configuration propertiesThe addition of new gRPC server configuration properties enhances the flexibility and performance control of the Vald system. Here's a brief overview of the new properties:
enable_channelz: Allows for runtime debugging of gRPC services.max_concurrent_streams: Controls the maximum number of concurrent streams per HTTP/2 connection, helping with resource management.num_stream_workers: Likely controls the number of workers handling streams, which can help with concurrency.shared_write_buffer: Probably enables a shared buffer for writing, potentially improving performance.wait_for_handlers: Might make the server wait for handlers to be registered before starting, ensuring all services are ready.These additions provide more fine-grained control over gRPC server behavior and performance, which is beneficial for optimizing the system based on specific deployment needs.
Also applies to: 974-975, 982-983, 986-989
2227-2228: Approve new gRPC client configuration propertiesThe addition of new gRPC client configuration properties provides enhanced control over client behavior and connection management. Here's a summary of the new properties:
content_subtype: Allows specifying the content subtype for gRPC calls, useful for content negotiation.authority: Can be used to override the :authority pseudo-header in gRPC requests, which is helpful for testing or special routing scenarios.disable_retry: Provides an option to disable automatic retries, giving more control over failure handling.idle_timeout: Sets a timeout for idle connections, helping to manage resource usage.max_call_attempts: Limits the maximum number of attempts for a call, preventing excessive retries.max_header_list_size: Controls the maximum size of the header list, helping to prevent potential DoS attacks.shared_write_buffer: Similar to server config, probably enables a shared buffer for writing, potentially improving performance.user_agent: Allows setting a custom user agent string, which can be useful for tracking or debugging purposes.These additions provide more fine-grained control over gRPC client behavior, connection management, and error handling. This increased flexibility allows for better optimization and customization of the Vald system based on specific use cases and deployment environments.
Also applies to: 2232-2233, 2242-2243, 2246-2247, 2269-2272, 2334-2335, 2338-2339
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1-14587: Approve comprehensive gRPC configuration enhancementsThe changes made to the ValdRelease Custom Resource Definition (CRD) represent a significant enhancement to the gRPC configuration capabilities across the entire Vald system. Here's a summary of the overall impact:
Consistency: The new gRPC configuration properties have been consistently applied across various components (agent, gateway, discoverer, etc.), ensuring uniform capabilities throughout the system.
Flexibility: The additions provide more fine-grained control over both server and client-side gRPC behavior, allowing for better optimization and customization based on specific deployment needs.
Performance: Many of the new options (like
shared_write_buffer,max_concurrent_streams,num_stream_workers) can potentially improve performance when properly configured.Debugging and Observability: Options like
enable_channelzand customuser_agentstrings enhance the system's observability and ease of debugging.Error Handling and Reliability: New options for controlling retries, timeouts, and connection management can lead to more robust and reliable communication within the system.
Backwards Compatibility: All new fields appear to be optional, maintaining backwards compatibility with existing ValdRelease resources.
These enhancements significantly improve the configurability of the Vald system's gRPC communication layer, which should lead to better performance, reliability, and ease of management in various deployment scenarios.
dockers/agent/core/faiss/Dockerfile (1)
98-98: LGTM!The
ENTRYPOINTis properly set to start thefaissapplication asnonroot:nonroot.dockers/operator/helm/Dockerfile (1)
109-109: ENTRYPOINT Command Configured CorrectlyThe
ENTRYPOINTinstruction correctly specifies the command to run thehelm-operatorwith the appropriate watches file. This ensures that the operator will start as expected with the specified configuration.internal/config/grpc.go (2)
243-257:⚠️ Potential issueValidate numeric fields before setting gRPC dial options
In the
Opts()method forDialOption, fields likeInitialWindowSize,InitialConnectionWindowSize,MaxHeaderListSize,MaxCallAttempts, etc., are used directly without validation. Setting invalid values (e.g., negative numbers) could cause the gRPC dialer to fail or exhibit unexpected behavior. Consider adding validation to ensure the fields have valid values before applying them.Apply this diff to add validation checks:
if g.DialOption != nil { opts = append(opts, grpc.WithAuthority(g.DialOption.Authority), grpc.WithBackoffMaxDelay(g.DialOption.BackoffMaxDelay), grpc.WithClientInterceptors(g.DialOption.Interceptors...), grpc.WithDisableRetry(g.DialOption.DisableRetry), grpc.WithIdleTimeout(g.DialOption.IdleTimeout), - grpc.WithInitialConnectionWindowSize(g.DialOption.InitialConnectionWindowSize), - grpc.WithInitialWindowSize(g.DialOption.InitialWindowSize), grpc.WithInsecure(g.DialOption.Insecure), - grpc.WithMaxCallAttempts(g.DialOption.MaxCallAttempts), - grpc.WithMaxHeaderListSize(g.DialOption.MaxHeaderListSize), - grpc.WithMaxMsgSize(g.DialOption.MaxMsgSize), - grpc.WithReadBufferSize(g.DialOption.ReadBufferSize), grpc.WithSharedWriteBuffer(g.DialOption.SharedWriteBuffer), grpc.WithUserAgent(g.DialOption.UserAgent), - grpc.WithWriteBufferSize(g.DialOption.WriteBufferSize), ) + if g.DialOption.InitialConnectionWindowSize > 0 { + opts = append(opts, grpc.WithInitialConnectionWindowSize(g.DialOption.InitialConnectionWindowSize)) + } + if g.DialOption.InitialWindowSize > 0 { + opts = append(opts, grpc.WithInitialWindowSize(g.DialOption.InitialWindowSize)) + } + if g.DialOption.MaxCallAttempts > 0 { + opts = append(opts, grpc.WithMaxCallAttempts(g.DialOption.MaxCallAttempts)) + } + if g.DialOption.MaxHeaderListSize > 0 { + opts = append(opts, grpc.WithMaxHeaderListSize(g.DialOption.MaxHeaderListSize)) + } + if g.DialOption.MaxMsgSize > 0 { + opts = append(opts, grpc.WithMaxMsgSize(g.DialOption.MaxMsgSize)) + } + if g.DialOption.ReadBufferSize > 0 { + opts = append(opts, grpc.WithReadBufferSize(g.DialOption.ReadBufferSize)) + } + if g.DialOption.WriteBufferSize > 0 { + opts = append(opts, grpc.WithWriteBufferSize(g.DialOption.WriteBufferSize)) + } }Run the following script to ensure all numeric fields are validated:
#!/bin/bash # Description: Check that all numeric fields in DialOption are conditionally set in Opts() # List numeric fields in DialOption rg --type go '^\s+\w+\s+(int|int32|uint32|float64)' internal/config/grpc.go | awk '{print $1}' > numeric_fields.txt # List fields conditionally set in Opts() rg --type go 'if g\.DialOption\.\w+ > 0' internal/config/grpc.go | awk -F'.' '{print $3}' | awk '{print $1}' > validated_fields.txt # Compare the lists echo "Numeric fields not validated before setting options:" comm -23 <(sort numeric_fields.txt) <(sort validated_fields.txt)
161-168:⚠️ Potential issueEnsure all new fields are correctly bound in
DialOption.Bind()While fields like
Authority,IdleTimeout, andUserAgentare being processed withGetActualValue, other new string fields such asBackoffBaseDelayandBackoffMaxDelaymight also need similar handling to ensure environment variable expansion and proper value assignment.Apply this diff to bind all string fields consistently:
func (d *DialOption) Bind() *DialOption { d.Authority = GetActualValue(d.Authority) d.BackoffBaseDelay = GetActualValue(d.BackoffBaseDelay) + d.BackoffMaxDelay = GetActualValue(d.BackoffMaxDelay) d.IdleTimeout = GetActualValue(d.IdleTimeout) d.Interceptors = GetActualValues(d.Interceptors) d.MinimumConnectionTimeout = GetActualValue(d.MinimumConnectionTimeout) d.Timeout = GetActualValue(d.Timeout) d.UserAgent = GetActualValue(d.UserAgent) + // Bind any additional string fields if necessary return d }Run the following script to check for any string fields in
DialOptionnot processed withGetActualValue:internal/config/server.go (3)
95-105: New GRPC configuration fields addedThe addition of new fields like
EnableChannelz,SharedWriteBuffer,WaitForHandlers, and others in theGRPCstruct enhances the configurability of the gRPC server. These fields allow for finer control over performance and resource management.
Line range hint
321-325: Clarify the registration logic for EnableChannelzThe condition
if s.GRPC.EnableAdmin || s.GRPC.EnableChannelztriggersadmin.Register(srv). Ensure thatadmin.Register(srv)correctly registers the Channelz service whenEnableChannelzis true. Ifadmin.Register(srv)does not handle Channelz registration, you should register Channelz separately to achieve the desired functionality.You can run the following script to verify whether
admin.Register(srv)includes Channelz registration:#!/bin/bash # Description: Verify if admin.Register(srv) includes Channelz registration. # Search for the definition of admin.Register function. rg --type go 'func Register\(srv \*grpc\.Server\)' -A 15 ./internal/net/grpc/admin # Check if Channelz registration is included within admin.Register. rg --type go 'channelz.RegisterChannelzServiceToServer\(srv\)' -A 5 ./internal/net/grpc/admin
301-312: Ensure new gRPC server options are correctly setThe new gRPC server options in the
Optsfunction map theGRPCstruct fields to server options. Please verify that these options are compatible with your gRPC server implementation and that they are supported in the current version.You can run the following script to check for compatibility:
✅ Verification successful
gRPC server options are correctly set and supported in the server package.
🏁 Scripts executed
The following scripts were executed for the analysis:
Script:
#!/bin/bash # Description: Verify that the gRPC options are supported by the server package. # List all available server options in the server package. rg --type go 'WithGRPC[A-Za-z]*' -A 1 ./internal/servers/server # Check if all new options are available. for option in WithGRPCInitialConnWindowSize WithGRPCInitialWindowSize WithGRPCMaxConcurrentStreams WithGRPCMaxHeaderListSize WithGRPCNumStreamWorkers WithGRPCSharedWriteBuffer WithGRPCWaitForHandlers; do rg --type go "$option" ./internal/servers/server || echo "Option $option not found in server package." doneLength of output: 390
Script:
#!/bin/bash # Description: Verify that the gRPC options are supported by the server package. # List all available server options in the server package. rg --type go 'WithGRPC[A-Za-z]*' -A 1 ./internal/servers/server # Check if all new options are available. for option in WithGRPCInitialConnWindowSize WithGRPCInitialWindowSize WithGRPCMaxConcurrentStreams WithGRPCMaxHeaderListSize WithGRPCMaxReceiveMessageSize WithGRPCMaxSendMessageSize WithGRPCNumStreamWorkers WithGRPCSharedWriteBuffer WithGRPCWaitForHandlers WithGRPCWriteBufferSize; do rg --type go "$option" ./internal/servers/server >/dev/null if [ $? -ne 0 ]; then echo "Option $option not found in server package." fi doneLength of output: 14528
internal/net/grpc/pool/pool.go (8)
135-137: Approved: Proper logging when failing to close the initial connection.
150-152: Approved: Correct error handling when closing the initial connection.
159-161: Approved: Returning error when closing the initial connection fails.
Line range hint
448-457: Approved: Consistent error handling and logging in theDisconnectmethod.
476-478: Approved: Correctly joining errors when closing the connection fails during dialing.
Line range hint
486-490: Approved: Proper error handling when closing unhealthy connections.
571-598: Potential issue with error propagation inDomethod.When
f(conn)returnsgrpc.ErrClientConnClosing, the code attempts to redial and callf(conn)again. However, if botherrfrom the initial call andnewErrfrom the second call are non-nil,errors.Join(err, newErr)combines them. Ensure that the returned error provides clear information about both failures.To verify the error propagation, consider reviewing the usage of the
Domethod to ensure that callers can handle combined errors appropriately.
682-689: Approved: Gracefully handling errors when initializing connections to IP addresses inlookupIPAddr.internal/config/grpc_test.go (2)
507-508: Correct type update for window size fieldsChanging
InitialWindowSizeandInitialConnectionWindowSizefrominttoint32aligns with the gRPC library's expected types. This ensures compatibility and prevents potential issues on platforms whereintmay not be 32 bits.
542-543: Initialize variables with appropriateint32typeAssigning
initialWindowSizeandinitialConnectionWindowSizeusingint32(100)matches the updated field types. This change maintains type consistency within the test cases.internal/config/server_test.go (3)
643-644: Updated types for MaxHeaderListSize and HeaderTableSizeThe fields
MaxHeaderListSizeandHeaderTableSizehave been changed touint32, aligning with the types expected by gRPC configurations. This ensures that only valid, non-negative values are assigned, enhancing type safety.
682-683: Consistent type usage in test variablesThe variables
maxHeaderListSizeandheaderTableSizeare now defined asuint32, matching the updated field types in theGRPCstruct. This maintains consistency and prevents type mismatch in tests.
744-745: Consistent type usage in test variablesThe test variables
maxHeaderListSizeandheaderTableSizeare defined asuint32, aligning with the changes made to the struct fields. This ensures type consistency across the codebase.
| @@ -45,7 +45,7 @@ spec: | |||
| app.kubernetes.io/instance: release-name | |||
| app.kubernetes.io/component: gateway-lb | |||
| annotations: | |||
| checksum/configmap: 39f04e0b0c8ba58e4abaa66146b382efd4c3b9349019967d926267ecafed7b37 | |||
| checksum/configmap: fae1d97353ad3256530a46eaa317b63e0bce5f0fb9243b738026e97fef7177cb | |||
There was a problem hiding this comment.
💡 Codebase verification
The checksum/configmap annotation was updated in k8s/gateway/gateway/lb/deployment.yaml, but no related changes to the vald-lb-gateway ConfigMap were found in this pull request. Please verify that the ConfigMap has been appropriately modified to ensure the checksum update is necessary.
🔗 Analysis chain
LGTM: ConfigMap checksum update.
The update to the checksum/configmap annotation is correct and necessary. This change ensures that the deployment will pick up the latest configuration changes from the associated ConfigMap.
To ensure consistency, let's verify if there are corresponding ConfigMap changes in this PR:
If this script returns any results, it indicates that there are indeed ConfigMap changes associated with this deployment update, which would explain the checksum change.
🏁 Scripts executed
The following scripts were executed for the analysis:
Script:
#!/bin/bash
# Description: Check for ConfigMap changes related to vald-lb-gateway
# Test: Look for ConfigMap changes in the PR
gh pr view --json files | jq -r '.files[].path' | grep -E 'configmap.*vald-lb-gateway'
Length of output: 140
Script:
#!/bin/bash
# Description: Verify if the 'vald-lb-gateway' ConfigMap exists and check for related changes in the repository
# Search for ConfigMap definitions related to 'vald-lb-gateway'
rg -l 'kind:\s*ConfigMap' | xargs grep -l 'name:\s*vald-lb-gateway'
# Additionally, list any changes to the 'vald-lb-gateway' ConfigMap in the current branch
git diff --name-only origin/main... | grep -E 'configmap.*vald-lb-gateway'
Length of output: 324
Script:
#!/bin/bash
# Description: Verify if there are any changes to the 'vald-lb-gateway' ConfigMap in this PR
# Fetch the latest changes from the main branch to ensure we have a merge base
git fetch origin main
# Attempt to find the merge base between the current branch and origin/main
MERGE_BASE=$(git merge-base HEAD origin/main)
# Check if a merge base exists
if [ -z "$MERGE_BASE" ]; then
echo "No merge base found between HEAD and origin/main."
exit 1
fi
# List files changed in the PR compared to the merge base
git diff --name-only "$MERGE_BASE" HEAD | grep -E 'configmap.*vald-lb-gateway' || echo "No ConfigMap changes found for vald-lb-gateway."
Length of output: 386
Script:
#!/bin/bash
# Description: Verify if there are any changes to the 'vald-lb-gateway' ConfigMap in this PR
# Fetch the latest changes from the main branch
git fetch origin main
# List files changed in the PR compared to origin/main
CHANGED_FILES=$(git diff --name-only origin/main HEAD)
# Check if any of the changed files relate to the 'vald-lb-gateway' ConfigMap
echo "$CHANGED_FILES" | grep -E 'configmap.*vald-lb-gateway' || echo "No ConfigMap changes found for vald-lb-gateway."
Length of output: 2872
| @@ -56,10 +57,14 @@ data: | |||
| permit_without_stream: false | |||
| time: 3h | |||
| timeout: 60s | |||
| max_concurrent_streams: 0 | |||
There was a problem hiding this comment.
Consider setting a reasonable limit for max_concurrent_streams
Setting max_concurrent_streams: 0 removes any limit on concurrent streams. While this provides maximum flexibility, it could potentially lead to resource exhaustion under high load.
Consider setting a reasonable non-zero limit based on your expected workload and available resources. For example:
max_concurrent_streams: 1000 # Adjust this value based on your specific needsThis will help prevent potential DoS vulnerabilities and ensure stable performance under varying load conditions.
| @@ -34,6 +34,7 @@ import ( | |||
| "github.com/vdaas/vald/internal/net/control" | |||
| "github.com/vdaas/vald/internal/net/grpc" | |||
| "github.com/vdaas/vald/internal/net/grpc/credentials" | |||
| "github.com/vdaas/vald/internal/net/grpc/health" | |||
There was a problem hiding this comment.
💡 Codebase verification
Action Required: Inconsistent Health Check Registrations Across gRPC Servers
The health check registration (health.Register) has been added in internal/servers/server/server.go, but it is missing in other gRPC server initializations across the codebase. To ensure consistency and improve system reliability, please add the health check registration to all gRPC servers.
Affected Files:
internal/servers/server/server.go✅internal/servers/server/server_test.go❌internal/net/grpc/server.go❌internal/net/grpc/server_test.go❌internal/net/grpc/health/health_test.go❌internal/net/grpc/pool/pool_bench_test.go❌
🔗 Analysis chain
LGTM: Health check registration added to gRPC server.
The addition of health check registration is a good practice for gRPC servers. It allows clients to verify the server's status, improving overall system reliability and observability.
To ensure consistency across the project, let's verify if similar health check registrations have been added to all gRPC server initializations:
This script will help us identify if the health check registration has been consistently applied across all gRPC server initializations in the project.
Also applies to: 247-247
🏁 Scripts executed
The following scripts were executed for the analysis:
Script:
#!/bin/bash
# Description: Check for health check registrations in gRPC server initializations
# Search for gRPC server initializations
echo "gRPC server initializations:"
rg --type go "grpc\.NewServer\(" -A 10
# Search for health check registrations
echo "\nHealth check registrations:"
rg --type go "health\.Register\("
Length of output: 4834
| @@ -56,10 +57,14 @@ data: | |||
| permit_without_stream: false | |||
| time: 3h | |||
| timeout: 60s | |||
| max_concurrent_streams: 0 | |||
There was a problem hiding this comment.
Reconsider setting max_concurrent_streams to unlimited.
Setting max_concurrent_streams: 0 removes the limit on concurrent streams per connection. This could potentially lead to resource exhaustion if clients open too many streams. Consider setting a reasonable limit based on your server's capacity and expected load.
For example:
max_concurrent_streams: 100 # Or another appropriate value for your use caseThis helps protect your server from potential DoS attacks or unintentional overload.
| @@ -42,6 +42,7 @@ | |||
| bidirectional_stream_concurrency: 20 | |||
| connection_timeout: "" | |||
| enable_admin: true | |||
| enable_channelz: true | |||
There was a problem hiding this comment.
💡 Codebase verification
Channelz is enabled without any security measures in place.
Enabling Channelz (enable_channelz: true) without implementing appropriate security configurations can expose sensitive information about your gRPC services. It is recommended to secure Channelz endpoints in production environments to prevent unauthorized access and potential data leaks.
🔗 Analysis chain
Consider the performance and security implications of enabling Channelz.
Enabling Channelz (enable_channelz: true) can be beneficial for debugging gRPC issues, but it may have a slight performance impact. Additionally, ensure that access to Channelz endpoints is properly secured in production environments, as it can expose sensitive information about your gRPC services.
To verify the security measures for Channelz, please run the following script:
🏁 Scripts executed
The following scripts were executed for the analysis:
Script:
#!/bin/bash
# Check if there are any security measures in place for Channelz endpoints
# Look for any security-related configurations for gRPC or Channelz
rg -i 'channelz|grpc.*security' --type yaml
Length of output: 917
| if g.dopts == nil && cap(g.dopts) == 0 { | ||
| g.dopts = make([]grpc.DialOption, 0, defaultDialOptionLength) | ||
| } | ||
| g.dopts = append(g.dopts, | ||
| grpc.WithInitialWindowSize(int32(size)), | ||
| grpc.WithInitialWindowSize(size), |
There was a problem hiding this comment.
Review the condition size > 1 for window size parameters
The condition if size > 1 in WithInitialWindowSize and WithInitialConnectionWindowSize might exclude valid sizes. Consider changing the condition to if size > 0 to accept all positive sizes, ensuring compatibility with gRPC requirements.
Also applies to: 414-418
| if g.dopts == nil && cap(g.dopts) == 0 { | ||
| g.dopts = make([]grpc.DialOption, 0, defaultDialOptionLength) |
There was a problem hiding this comment.
🛠️ Refactor suggestion
Refactor to eliminate code duplication in g.dopts initialization
Similar to g.copts, the initialization of g.dopts is repeated in several functions. Consider creating a helper method to initialize g.dopts when it is nil to reduce duplication.
Example refactor:
func (g *gRPCClient) ensureDialOptionsInitialized() {
if g.dopts == nil {
g.dopts = make([]grpc.DialOption, 0, defaultDialOptionLength)
}
}And update the functions:
-func WithWriteBufferSize(size int) Option {
+func WithWriteBufferSize(size int) Option {
return func(g *gRPCClient) {
if size > 1 {
- if g.dopts == nil && cap(g.dopts) == 0 {
- g.dopts = make([]grpc.DialOption, 0, defaultDialOptionLength)
- }
+ g.ensureDialOptionsInitialized()
g.dopts = append(g.dopts, grpc.WithWriteBufferSize(size))
}
}
}Also applies to: 388-389, 428-429
| } | ||
| log.Warnf("failed to find gRPC connection pool for %s.\tlen(pool): %d,\tretried: %d,\terror: %v", p.addr, pl, cnt, err) | ||
| return nil, false | ||
| return idx, nil, false |
There was a problem hiding this comment.
Possible use of uninitialized variable err in log statement.
In the log statement at line 641:
log.Warnf("failed to find gRPC connection pool for %s.\tlen(pool): %d,\tretried: %d,\terror: %v", p.addr, pl, cnt, err)The variable err may not have been assigned a value before being used, which could result in logging a nil error or causing unexpected behavior.
Consider initializing err or ensuring it has a valid value before using it in the log message.
| @@ -706,7 +706,7 @@ func TestGRPCClient_Opts(t *testing.T) { | |||
| } | |||
| tests := []test{ | |||
| { | |||
| name: "return 25 grpc.Option and nil error when all parameters are set", | |||
| name: "return 32 grpc.Option and nil error when all parameters are set", | |||
There was a problem hiding this comment.
🛠️ Refactor suggestion
Avoid hard-coded magic numbers in test descriptions
The test case name mentions "return 32 grpc.Option", which may need to be updated if the number of options changes in the future. Consider generalizing the test description to avoid hard-coded values.
Apply this diff to update the test name:
-name: "return 32 grpc.Option and nil error when all parameters are set",
+name: "return expected grpc.Options and nil error when all parameters are set",📝 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.
| name: "return 32 grpc.Option and nil error when all parameters are set", | |
| name: "return expected grpc.Options and nil error when all parameters are set", |
| @@ -778,7 +778,7 @@ | |||
| }, | |||
| }, | |||
| want: want{ | |||
| want: make([]grpc.Option, 25), | |||
| want: make([]grpc.Option, 32), | |||
There was a problem hiding this comment.
🛠️ Refactor suggestion
Replace magic number with dynamic length in test expectations
Using make([]grpc.Option, 32) hard-codes the expected number of options, which can make the test brittle. Consider replacing 32 with a length derived from the actual options to improve maintainability.
Apply this diff to calculate the expected length dynamically:
-want: make([]grpc.Option, 32),
+want: make([]grpc.Option, len(actualOptions)),Make sure to define actualOptions based on the options generated by the configuration to compute the expected length accurately.
Committable suggestion was skipped due to low confidence.
Codecov ReportAttention: Patch coverage is
Additional details and impacted files@@ Coverage Diff @@
## release/v1.7 #2693 +/- ##
===============================================
Coverage ? 24.04%
===============================================
Files ? 539
Lines ? 46792
Branches ? 0
===============================================
Hits ? 11253
Misses ? 34765
Partials ? 774 ☔ View full report in Codecov by Sentry. |
kpango
deleted the
backport/release/v1.7/feature/internal-grpc/add-new-options-and-reconnect-when-goaway-received
branch
Description
New Features
enable_channelz,max_concurrent_streams,num_stream_workers,shared_write_buffer, andwait_for_handlers.content_subtype,authority,disable_retry,idle_timeout,max_call_attempts, andmax_header_list_size.Bug Fixes
Documentation
Chores
Related Issue
Versions
Checklist
Special notes for your reviewer
Summary by CodeRabbit
New Features
vald-agent,vald-discoverer, andvald-index-correction.FAISS,HELM, andPROMETHEUS_STACK, ensuring compatibility and access to new features.Documentation
vald-agentandvald-discovererto reflect new server parameters.Bug Fixes
Dependency Updates