implemented adaptive scaling #5
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WalkthroughThe changes involve enhancing a Kubernetes controller for a Basic Authenticator service. New functionalities include watching for externally managed deployments, adaptive scaling based on specific fields, and utility functions for service name extraction and Nginx configuration. There's also the introduction of a random generator package for creating random strings and names, and refactoring to improve the handling of custom configurations and Kubernetes client interactions. Changes
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Actionable comments generated: 3
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Files ignored due to filter (6)
- tests/e2e/adaptive-scaling/00-assert.yaml
- tests/e2e/adaptive-scaling/00-install.yaml
- tests/e2e/adaptive-scaling/01-assert.yaml
- tests/e2e/adaptive-scaling/01-increase-deploy-replicas.yaml
- tests/e2e/adaptive-scaling/02-assert.yaml
- tests/e2e/adaptive-scaling/02-decrease-deploy-replicas.yaml
Files selected for processing (4)
- internal/controller/basic_authenticator/basicauthenticator_controller.go (2 hunks)
- internal/controller/basic_authenticator/const.go (1 hunks)
- internal/controller/basic_authenticator/provision.go (4 hunks)
- internal/controller/basic_authenticator/utility.go (1 hunks)
Files skipped from review due to trivial changes (1)
- internal/controller/basic_authenticator/const.go
Additional comments: 5
internal/controller/basic_authenticator/basicauthenticator_controller.go (3)
23-33: The import statements are correctly added to support the new features in the reconciler.
70-88: The
findExternallyManagedDeploymentsmethod is correctly implemented to filter deployments based on theExternallyManagedannotation.60-67: The
SetupWithManagermethod is correctly updated to include a new watch forappv1.Deploymentobjects and to enqueue reconcile requests usingfindExternallyManagedDeployments.internal/controller/basic_authenticator/provision.go (2)
263-263: Updating the
ReadyReplicasin theBasicAuthenticatorstatus is a good practice as it reflects the current state of the deployment. Ensure that this status update is tested thoroughly to confirm that it behaves as expected during various deployment states.226-263: > Note: This review was outside the patches, so it was mapped to the patch with the greatest overlap. Original lines [196-291]
The error handling and logic for creating or updating the deployment in the
ensureDeploymentfunction appear to be correct. However, ensure that the error messages are clear and provide enough context for debugging any issues that may arise during the creation or update process.
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Actionable comments generated: 1
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Files selected for processing (1)
- internal/controller/basic_authenticator/basicauthenticator_controller.go (3 hunks)
Additional comments: 2
internal/controller/basic_authenticator/basicauthenticator_controller.go (2)
23-32: The import statements are correctly added to support the new functionality.
45-48: The RBAC rule for services has been correctly added to the reconciler.
internal/controller/basic_authenticator/basicauthenticator_controller.go
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Actionable comments generated: 0
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Files selected for processing (3)
- internal/controller/basic_authenticator/basicauthenticator_controller.go (3 hunks)
- internal/controller/basic_authenticator/provision.go (4 hunks)
- internal/controller/basic_authenticator/utility.go (1 hunks)
Files skipped from review due to trivial changes (1)
- internal/controller/basic_authenticator/utility.go
Additional comments: 7
internal/controller/basic_authenticator/basicauthenticator_controller.go (4)
23-32: The import statements are correctly added and formatted.
45-48: The RBAC rule for "services" has been correctly added to allow the reconciler to manage services.
71-88: The
findExternallyManagedDeploymentsfunction is correctly implemented to identify and enqueue reconcile requests for deployments managed externally.61-68: The
SetupWithManagerfunction is correctly updated to include a watch forappv1.Deploymentobjects and to enqueue reconcile requests using thefindExternallyManagedDeploymentsfunction.internal/controller/basic_authenticator/provision.go (3)
196-221: The changes in the
CreateDeploymentAuthenticatormethod to incorporate adaptive scaling logic by using theAcquireTargetReplicamethod are consistent with the summary and the user's feedback. The method correctly acquires the target replica count when theAdaptiveScaleflag is set and updates the deployment's replicas accordingly.288-322: The
AcquireTargetReplicamethod's logic for updating the target deployment's annotations and replica count is consistent with the summary and the user's feedback. The method correctly annotates the deployment withExternallyManagedand calculates the target replica count based on the existing replicas. Additionally, the method logs debug information, which aids in monitoring and troubleshooting.226-257: The changes in the
CreateDeploymentAuthenticatormethod to update theBasicAuthenticatorstatus with the number of ready replicas after updating the deployment are correct and follow the expected behavior.
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Actionable comments generated: 0
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Files selected for processing (2)
- internal/controller/basic_authenticator/nginx.go (5 hunks)
- internal/controller/basic_authenticator/provision.go (7 hunks)
Additional comments: 11
internal/controller/basic_authenticator/nginx.go (6)
6-12: The import statement for
github.com/snapp-incubator/simple-authenticator/internal/confighas been correctly added.39-51: The function
CreateNginxDeploymenthas been correctly renamed tocreateNginxDeploymentand the new parametercustomConfig *config.CustomConfighas been added as per the summary.122-125: The function
CreateNginxConfigmaphas been correctly renamed tocreateNginxConfigmap.142-145: The function
CreateCredentialshas been correctly renamed tocreateCredentials.158-170: The function
Injectorhas been correctly renamed toinjectorand the new parameterscustomConfig *config.CustomConfigandk8Client client.Clienthave been added as per the summary.155-173: > Note: This review was outside the patches, so it was mapped to the patch with the greatest overlap. Original lines [39-170]
No additional changes impacting dependents were found beyond those mentioned in the summary.
internal/controller/basic_authenticator/provision.go (5)
9-17: The imports have been correctly updated to include the "math" and "sigs.k8s.io/controller-runtime/pkg/client" packages, aligning with the PR's objective to implement adaptive scaling and manage Kubernetes resources.
59-65: The function calls have been correctly updated to use the unexported versions of
createCredentials,createNginxConfigmap, andcreateNginxDeployment, following the refactoring and renaming conventions outlined in the PR's objective.188-206: The
CreateDeploymentAuthenticatorfunction has been updated to include adaptive scaling logic, which is in line with the PR's objective to implement adaptive scaling capabilities.288-322: The
AcquireTargetReplicafunction has been added and includes logic to calculate and return a target replica count, which is a key part of the new adaptive scaling feature.301-305: As per the previous learning, the user has indicated that they will clarify in the documentation that the
AcquireTargetReplicafunction expects only one deployment to match theappServicelabel selector. Ensure that this documentation update is completed to prevent confusion or unintended behavior.
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Actionable comments generated: 1
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Files selected for processing (4)
- internal/controller/basic_authenticator/nginx.go (6 hunks)
- internal/controller/basic_authenticator/provision.go (9 hunks)
- internal/controller/basic_authenticator/utility.go (1 hunks)
- pkg/random_generator/random_generator.go (1 hunks)
Additional comments: 17
internal/controller/basic_authenticator/nginx.go (7)
8-8: The import statement for
random_generatoris correctly added to support the new functionality.38-38: The function
createNginxDeploymenthas been correctly renamed and updated to accept a new parameter for custom configuration.120-120: The function
createNginxConfigmaphas been correctly renamed without any changes to its signature.140-140: The function
createCredentialshas been correctly renamed without any changes to its signature.156-156: The function
injectorhas been correctly renamed and updated to accept new parameters for custom configuration and Kubernetes client.120-120: The summary correctly reflects the changes in the hunks for
createNginxConfigmapandcreateCredentials, which align with the PR objective of refactoring for clarity and consistency.Also applies to: 140-140
- 220-226: > Note: This review was outside the patches, so it was mapped to the patch with the greatest overlap. Original lines [223-236]
The summary does not mention the changes to the
fillTemplatefunction, which has been modified to handle the newauthenticatorstructure. This should be included in the summary for completeness.internal/controller/basic_authenticator/provision.go (7)
9-17: The addition of the "math" and "sigs.k8s.io/controller-runtime/pkg/client" imports is consistent with the PR objective of implementing adaptive scaling and managing deployments.
37-40: The function
getLatestBasicAuthenticatoris used appropriately to fetch the latest state of aBasicAuthenticatorobject, which is a common pattern in Kubernetes controllers.52-65: The
ensureSecretfunction correctly handles both the retrieval of an existing secret and the creation of a new one if it does not exist, updating theBasicAuthenticatoraccordingly.106-116: The
ensureConfigmapfunction mirrors the logic ofensureSecret, properly handling the retrieval or creation of a configmap and updating theBasicAuthenticator.160-166: The
ensureDeploymentfunction correctly checks for the presence of required annotations before proceeding, which is a good practice to ensure that necessary information is available.188-206: The
createDeploymentAuthenticatorfunction includes conditional logic for adaptive scaling, which aligns with the PR objective of implementing automatic scaling based on specific conditions.288-321: The
acquireTargetReplicafunction is responsible for calculating the target replica count for adaptive scaling, utilizing the "math" package as expected based on the earlier import.internal/controller/basic_authenticator/utility.go (2)
3-6: The import statements have been grouped correctly, which aligns with best practices in Go.
15-26: The implementation of
getNginxContainerImageandgetNginxContainerNamefunctions is correct and follows the expected logic as per the summary.pkg/random_generator/random_generator.go (1)
- 22-27: The implementation of
GenerateRandomNameappears to be correct and follows best practices for generating a hash-based name.
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Actionable comments generated: 0
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Files selected for processing (2)
- internal/controller/basic_authenticator/nginx.go (6 hunks)
- internal/controller/basic_authenticator/provision.go (9 hunks)
Additional comments: 15
internal/controller/basic_authenticator/nginx.go (6)
2-11: The import statement for
github.com/snapp-incubator/simple-authenticator/pkg/random_generatorhas been correctly added to support the new functionality.38-54: The function
createNginxDeploymenthas been correctly renamed and the new parametercustomConfig *config.CustomConfighas been added as per the summary.113-130: The function
createNginxConfigmaphas been correctly renamed and no changes to the signature have been made, which is consistent with the summary.110-139: > Note: This review was outside the patches, so it was mapped to the patch with the greatest overlap. Original lines [133-147]
The function
createCredentialshas been correctly renamed and no changes to the signature have been made, which is consistent with the summary.
- 146-158: > Note: This review was outside the patches, so it was mapped to the patch with the greatest overlap. Original lines [149-213]
The function
injectorhas been correctly renamed and the new parameterscustomConfig *config.CustomConfigandk8Client client.Clienthave been added as per the summary.
- 213-219: > Note: This review was outside the patches, so it was mapped to the patch with the greatest overlap. Original lines [216-229]
The function
fillTemplateis present in the code but not mentioned in the summary. It's important to ensure that all changes are documented, especially if this function has been modified or is new.internal/controller/basic_authenticator/provision.go (9)
9-17: The added imports align with the PR objective of implementing adaptive scaling and enhancing Kubernetes client operations.
52-70: The function calls have been updated to use the new function names, which is consistent with the PR summary.
195-195: The function signature for
createNginxDeploymenthas been updated to include ther.CustomConfigparameter, aligning with the PR summary.40-40: The error handling and logging improvements are consistent with the PR objective.
183-225: > Note: This review was outside the patches, so it was mapped to the patch with the greatest overlap. Original lines [9-325]
No direct modifications to global variables are present in the provided hunks.
203-209: The logic for adaptive scaling in the
createDeploymentAuthenticatorfunction is consistent with the PR objective.292-325: The
acquireTargetReplicafunction is implemented and aligns with the PR summary.273-273: The
injectorfunction is used in thecreateSidecarAuthenticatorfunction, which is consistent with the PR summary.183-225: > Note: This review was outside the patches, so it was mapped to the patch with the greatest overlap. Original lines [9-325]
No issues with the logic or implementation are apparent in the provided hunks.
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Actionable comments generated: 0
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Files selected for processing (3)
- internal/controller/basic_authenticator/nginx.go (6 hunks)
- internal/controller/basic_authenticator/provision.go (9 hunks)
- pkg/random_generator/random_generator.go (1 hunks)
Files skipped from review as they are similar to previous changes (1)
- pkg/random_generator/random_generator.go
Additional comments: 15
internal/controller/basic_authenticator/nginx.go (6)
9-9: The import statement for
github.com/snapp-incubator/simple-authenticator/pkg/random_generatorhas been correctly added to support the new utility functions.39-39: The function
CreateNginxDeploymenthas been correctly renamed tocreateNginxDeploymentand the new parametercustomConfig *config.CustomConfighas been added as per the summary.114-114: The function
CreateNginxConfigmaphas been correctly renamed tocreateNginxConfigmapwithout any changes to the signature.134-134: The function
CreateCredentialshas been correctly renamed tocreateCredentialsand the return type has been modified to include an error, aligning with the summary.161-161: The function
Injectorhas been correctly renamed toinjectorand the new parameterscustomConfig *config.CustomConfigandk8Client client.Clienthave been added as per the summary.111-151: > Note: This review was outside the patches, so it was mapped to the patch with the greatest overlap. Original lines [2-241]
The changes in the provided hunks align with the PR objective and the summary, enhancing the BasicAuthenticator's ability to manage Nginx deployments with adaptive scaling, improved error handling, logging, and code organization.
internal/controller/basic_authenticator/provision.go (9)
9-17: The added imports for "math" and "sigs.k8s.io/controller-runtime/pkg/client" align with the PR objectives of implementing adaptive scaling and handling Kubernetes client interactions.
52-74: The function calls have been updated to use the new function names, which is consistent with the PR objectives of refactoring for consistent naming conventions.
296-330: The function
acquireTargetReplicais implemented to calculate and return a target replica count, which aligns with the PR objectives. However, the function name in the code is in camelCase, which is inconsistent with the summary that refers to it asAcquireTargetReplica. Please verify if the naming convention is intended to be camelCase or PascalCase for consistency across the codebase.39-40: The error handling and logging have been enhanced with more descriptive messages and appropriate requeue patterns, which aligns with the PR objectives.
9-17: No direct modifications to global variables are observed, and the new dependencies introduced by the imports are consistent with the PR objectives.
196-213: The function signature changes, including the addition of
r.CustomConfigto thecreateNginxDeploymentcall and the conditional logic based onbasicAuthenticator.Spec.AdaptiveScale, are consistent with the PR objectives.187-229: > Note: This review was outside the patches, so it was mapped to the patch with the greatest overlap. Original lines [1-330]
The PR summary mentions a new package
random_generator, but its usage is not visible in the provided code. Please verify if the package is used elsewhere in the codebase or if its mention in the summary is an oversight.
- 187-229: > Note: This review was outside the patches, so it was mapped to the patch with the greatest overlap. Original lines [1-330]
The PR objectives mention updates to documentation, but the provided code does not include comments or documentation updates. Please verify if the documentation updates are included in other parts of the codebase.
- 187-229: > Note: This review was outside the patches, so it was mapped to the patch with the greatest overlap. Original lines [1-330]
The logic and implementation in the provided code are consistent with the PR objectives, and there are no apparent issues with the changes.
internal/controller/basic_authenticator/basicauthenticator_controller.go
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Files selected for processing (2)
- internal/controller/basic_authenticator/basicauthenticator_controller.go (3 hunks)
- internal/controller/basic_authenticator/provision.go (6 hunks)
Additional comments: 6
internal/controller/basic_authenticator/basicauthenticator_controller.go (3)
18-42: The addition of the
loggerfield to theBasicAuthenticatorReconcilerstruct is consistent with the PR objective and the generated summaries. This change will enhance logging capabilities within the reconciler.52-57: The
Reconcilemethod has been modified to use the newloggerfield for logging, which aligns with the PR objective and the generated summaries. This change will improve the logging of reconciliation events.73-91: The new
findExternallyManagedDeploymentsmethod has been added to watch for changes in deployments and enqueue reconcile requests. This method is consistent with the PR objective and the generated summaries. Ensure that theExternallyManagedconstant is defined and used consistently throughout the codebase.internal/controller/basic_authenticator/provision.go (3)
9-15: The imports have been correctly updated to include "math" and "sigs.k8s.io/controller-runtime/pkg/client" which aligns with the PR objective and summary.
191-267: The function
createDeploymentAuthenticatorhas been updated to support adaptive scaling, which is in line with the PR objective. The function now correctly uses theacquireTargetReplicamethod to set the replica count whenAdaptiveScaleis true.289-321: The new function
acquireTargetReplicahas been added to calculate the target replica count for adaptive scaling, which aligns with the PR objective and summary.
adaptively scale based on target deployment
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