When termination exit code is missing, we assume it is != 0

amirmalka commented 7 months ago

User description

Overview

Type

enhancement

Description

Renamed SetTerminationStatus to GetTerminationExitCode to better reflect its functionality.
Modified GetTerminationExitCode to return -1 by default if no termination exit code is present, indicating an abnormal termination.
Updated documentation comment to align with the new logic of the function.

Changes walkthrough

Relevant files

Enhancement

utils.go

Update Termination Exit Code Handling in WatchedContainerData

pkg/utils/utils.go

Renamed function from SetTerminationStatus to GetTerminationExitCode.

Changed the default return value from 0 to -1 when no termination exit
code is found.

Updated function documentation to reflect new behavior.

+2/-3

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codiumai-pr-agent-free[bot] commented 7 months ago

PR Description updated to latest commit (https://github.com/kubescape/node-agent/commit/3cc5a5802ade81a5352f87f8fe378ba905266d97)

codiumai-pr-agent-free[bot] commented 7 months ago

PR Review

⏱️ Estimated effort to review [1-5]	2, because the changes are limited to a single function within one file, and the logic change is straightforward. The renaming of the function and the default return value change are clear and concise.
🧪 Relevant tests	No
🔍 Possible issues	Possible Bug: The function `GetTerminationExitCode` introduces a hardcoded sleep of 3 seconds which could introduce unnecessary delays in processing, especially if called frequently.
🔒 Security concerns	No

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codiumai-pr-agent-free[bot] commented 7 months ago

PR Code Suggestions

Category	Suggestions
Enhancement	Replace hardcoded sleep duration with a configurable parameter. ___ Replace the hardcoded sleep duration with a configurable parameter or remove it if not necessary. Hardcoded sleep can lead to inefficiencies and is generally considered poor practice for handling synchronization or waiting for resource availability. [pkg/utils/utils.go [283]](https://github.com/kubescape/node-agent/pull/269/files#diff-81ddbadfb415ccbb9c7af84f11668d1aa5e53c34025bf86d4702f16b4e42f045R283-R283) ```diff -time.Sleep(3 * time.Second) +// Assuming `sleepDuration` is a configurable duration +time.Sleep(sleepDuration) ```
Enhancement	Implement error handling for the `GetPodStatus` method call. ___ Add error handling for the case where `GetPodStatus` might fail, which currently is not considered. This could improve the robustness of the method by handling different scenarios gracefully. [pkg/utils/utils.go [284]](https://github.com/kubescape/node-agent/pull/269/files#diff-81ddbadfb415ccbb9c7af84f11668d1aa5e53c34025bf86d4702f16b4e42f045R284-R284) ```diff -podStatus := k8sObjectsCache.GetPodStatus(namespace, podName) +podStatus, err := k8sObjectsCache.GetPodStatus(namespace, podName) +if err != nil { + return -1 // or log the error, or handle it as needed +} ```
Possible issue	Add nil check for `podStatus` to prevent potential runtime panics. ___ Consider handling the case where `podStatus` might be nil to prevent potential runtime panics. This can occur if `GetPodStatus` fails to retrieve the status. [pkg/utils/utils.go [284]](https://github.com/kubescape/node-agent/pull/269/files#diff-81ddbadfb415ccbb9c7af84f11668d1aa5e53c34025bf86d4702f16b4e42f045R284-R284) ```diff podStatus := k8sObjectsCache.GetPodStatus(namespace, podName) +if podStatus == nil { + return -1 // or handle the error appropriately +} ```
Best practice	Use a constant for the default exit code instead of a hardcoded value. ___ Instead of returning a hardcoded -1 for non-existent termination codes, consider defining a constant that clearly indicates this default or error state. [pkg/utils/utils.go [309]](https://github.com/kubescape/node-agent/pull/269/files#diff-81ddbadfb415ccbb9c7af84f11668d1aa5e53c34025bf86d4702f16b4e42f045R309-R309) ```diff -return -1 +const DefaultExitCode int32 = -1 +return DefaultExitCode ```
Maintainability	Refactor nested if conditions to improve code readability. ___ Refactor the nested if conditions for better readability and maintainability. Flattening the structure can make the code easier to understand and modify. [pkg/utils/utils.go [287-290]](https://github.com/kubescape/node-agent/pull/269/files#diff-81ddbadfb415ccbb9c7af84f11668d1aa5e53c34025bf86d4702f16b4e42f045R287-R290) ```diff -if podStatus.ContainerStatuses[i].Name == containerName { - if podStatus.ContainerStatuses[i].LastTerminationState.Terminated != nil { - return podStatus.ContainerStatuses[i].LastTerminationState.Terminated.ExitCode - } +status := podStatus.ContainerStatuses[i] +if status.Name == containerName && status.LastTerminationState.Terminated != nil { + return status.LastTerminationState.Terminated.ExitCode } ```

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