Adding getters for k8s-interface

[dwertent]

Type

enhancement

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Description

• Introduced getter methods in KubernetesApi for accessing Kubernetes, Dynamic, and Discovery clients.
• Added a new mock file for Kubernetes API with a function to create a mock KubernetesApi instance.
• Updated the mock discovery to return a modified resource list.
• Cleaned up dynamic test file by removing unused imports and redundant function definitions.

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Changes walkthrough

Relevant files

Enhancement

k8sconfig.go Add Getter Methods for Kubernetes Clients                                k8sinterface/k8sconfig.go Added GetKubernetesClient method to return Kubernetes client. Added GetDynamicClient method to return Dynamic client. Added GetDiscoveryClient method to return Discovery client. +9/-0      k8sconfig_mock.go Implement Mock for Kubernetes API                                                k8sinterface/k8sconfig_mock.go Introduced a new file to provide mock implementations for Kubernetes API. Implements NewKubernetesApiMock function returning a KubernetesApi instance with fake clients. +21/-0    k8sdiscovery_mock.go Update Mock Resource List in Discovery Mock                            k8sinterface/k8sdiscovery_mock.go Updated GetResourceListMock to return a modified resource list. +1/-1      k8sdynamic_test.go Cleanup Imports and Redundancies in Dynamic Test                  k8sinterface/k8sdynamic_test.go Removed unused imports and the redefined NewKubernetesApiMock function. +0/-14

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PR Description updated to latest commit (556252a)

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PR Review

⏱️ Estimated effort to review [1-5]	2, because the changes are straightforward and well-structured across multiple files, focusing on adding getter methods and improving test mocks. The complexity is low, and the changes are well-contained.
🧪 Relevant tests	No
🔍 Possible issues	Possible Bug: The PR introduces new getter methods in k8sconfig.go but does not include unit tests for these methods. It's important to ensure these methods return the expected clients correctly.
	Redundancy: The k8sconfig_mock.go file introduces a mock for NewKubernetesApi, which seems to duplicate the functionality already present in k8sdynamic_test.go. Consider consolidating these to avoid redundancy and confusion.
🔒 Security concerns	No

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PR Code Suggestions

Category	Suggestions
Enhancement	Introduce a constructor function for KubernetesApi that accepts client interfaces as arguments. Consider using a constructor function for KubernetesApi that accepts interfaces for KubernetesClient, DynamicClient, and DiscoveryClient as arguments. This approach will make your mock more flexible and easier to use in tests where different behaviors of these clients need to be simulated. k8sinterface/k8sconfig_mock.go [13-20] -return &KubernetesApi{ - KubernetesClient: kubernetesfake.NewSimpleClientset(), - DynamicClient: dynamicfake.NewSimpleDynamicClient(&runtime.Scheme{}), - DiscoveryClient: &discoveryfake.FakeDiscovery{}, - Context: context.Background(), +// Suggested constructor function +func NewKubernetesApiMockWithClients(kubernetesClient kubernetes.Interface, dynamicClient dynamic.Interface, discoveryClient discovery.DiscoveryInterface) *KubernetesApi { + InitializeMapResourcesMock() + return &KubernetesApi{ + KubernetesClient: kubernetesClient, + DynamicClient: dynamicClient, + DiscoveryClient: discoveryClient, + Context: context.Background(), + } }
Best practice	Define an interface for KubernetesApi to abstract the getter methods. To ensure that the KubernetesApi struct remains easily extendable and its internal implementation can be changed without affecting the users of the struct, consider defining an interface that includes the getter methods you've added. This way, you can provide mock implementations or alternative implementations without changing the consumers' code. k8sinterface/k8sconfig.go [76-84] -func (k8sAPI *KubernetesApi) GetKubernetesClient() kubernetes.Interface { - return k8sAPI.KubernetesClient +type KubernetesApiInterface interface { + GetKubernetesClient() kubernetes.Interface + GetDynamicClient() dynamic.Interface + GetDiscoveryClient() discovery.DiscoveryInterface } -func (k8sAPI *KubernetesApi) GetDynamicClient() dynamic.Interface { - return k8sAPI.DynamicClient -} -func (k8sAPI *KubernetesApi) GetDiscoveryClient() discovery.DiscoveryInterface { - return k8sAPI.DiscoveryClient -} +// Ensure KubernetesApi implements KubernetesApiInterface +var _ KubernetesApiInterface = &KubernetesApi{}
	Accept a context as a parameter in NewKubernetesApiMock for better lifecycle management. It's a good practice to avoid using the context.Background() directly in constructors for long-lived objects since it can't be canceled. Instead, consider accepting a context as a parameter to NewKubernetesApiMock. This allows for more flexible control over the lifecycle of the API client, especially in tests where you might want to ensure all operations are cleanly shutdown. k8sinterface/k8sconfig_mock.go [19] -Context: context.Background(), +func NewKubernetesApiMock(ctx context.Context) *KubernetesApi { + InitializeMapResourcesMock() + return &KubernetesApi{ + KubernetesClient: kubernetesfake.NewSimpleClientset(), + DynamicClient: dynamicfake.NewSimpleDynamicClient(&runtime.Scheme{}), + DiscoveryClient: &discoveryfake.FakeDiscovery{}, + Context: ctx, + } +}
Maintainability	Clarify the purpose of the cloud providers auth import with a more detailed comment. The comment // DO NOT REMOVE - load cloud providers auth above the import statement is ambiguous and might not provide enough context for future maintainers. Consider expanding this comment to explain why this import is necessary, how it affects the authentication with cloud providers, and any potential side effects of removing it. k8sinterface/k8sconfig_mock.go [6-7] -// DO NOT REMOVE - load cloud providers auth +// DO NOT REMOVE: This import is necessary for initializing authentication with cloud providers. +// It ensures that the relevant auth plugins are loaded, allowing the Kubernetes client to authenticate with supported cloud providers. "k8s.io/apimachinery/pkg/runtime"

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[matthyx]

I hate getters, they're not idiomatic especially for returning a public field