Add pod description functionality and improve error handling in BaseK…

[kooomix]

User description

…8S class

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PR Type

Enhancement, Bug fix

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Description

• Added kubectl-based pod description functionality

• Improved error handling with timeouts

• Enhanced debugging with detailed pod state logging

• Added separators for better output readability

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Changes walkthrough 📝

Relevant files

Enhancement

base_k8s.py Enhanced pod description functionality with kubectl integration tests_scripts/kubernetes/base_k8s.py Replaced get_all_not_running_pods_describe_details with new describe_pods method using kubectl Added better error handling and timeout mechanism for pod description Enhanced logging by adding pod descriptions for non-running pods Improved readability with separators between pod descriptions +29/-8

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PR Reviewer Guide 🔍

Here are some key observations to aid the review process:

⏱️ Estimated effort to review: 2 🔵🔵⚪⚪⚪

🧪 No relevant tests

🔒 Security concerns Command injection: The use of unescaped pod names and namespaces in shell commands (line 641) could allow command injection if these values contain malicious shell metacharacters. The pod name and namespace should be properly escaped before being used in shell commands.

⚡ Recommended focus areas for review Shell Injection The describe_pods method uses f-strings to construct a shell command that is executed via subprocess.run with shell=True. Pod names and namespaces should be properly escaped/sanitized to prevent command injection. f"kubectl describe pod {pod.metadata.name} -n {pod.metadata.namespace}", Error Handling The describe_pods method continues silently after encountering errors in describing individual pods. Consider aggregating errors or raising exceptions for critical failures. print(f"Error describing pod {pod.metadata.name}: {result.stderr}") except subprocess.TimeoutExpired: print(f"Timeout describing pod {pod.metadata.name}")

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PR Code Suggestions ✨

Explore these optional code suggestions:

Category	Suggestion	Score
Security	Prevent command injection vulnerabilities in shell command execution Sanitize pod name and namespace before using them in shell command to prevent command injection vulnerabilities. tests_scripts/kubernetes/base_k8s.py [640-647] +import shlex result = subprocess.run( - f"kubectl describe pod {pod.metadata.name} -n {pod.metadata.namespace}", + ["kubectl", "describe", "pod", shlex.quote(pod.metadata.name), "-n", shlex.quote(pod.metadata.namespace)], timeout=300, - shell=True, + shell=False, text=True, stdout=subprocess.PIPE, stderr=subprocess.PIPE, ) Apply this suggestion Suggestion importance[1-10]: 10 Why: This is a critical security fix that prevents command injection vulnerabilities by properly escaping pod names and namespaces, and avoiding shell=True which is a security risk.	10
Possible issue	Add input validation to prevent potential null pointer exceptions when processing collections Add input validation to ensure pods parameter is not None and is an iterable before processing. This prevents potential NoneType errors. tests_scripts/kubernetes/base_k8s.py [632-638] def describe_pods(self, pods): """ Describe pods in the given namespace using kubectl. """ + if not pods: + return [] + descriptions = [] - for pod in pods: Apply this suggestion Suggestion importance[1-10]: 7 Why: Adding null/empty collection validation is important for robustness and prevents potential runtime errors. This is a good defensive programming practice for a method that will be called with external data.	7
General	Ensure complete error information is captured in the return value instead of only logging it Add error details to the descriptions list when a pod description fails, instead of just printing them, to ensure complete error information is returned. tests_scripts/kubernetes/base_k8s.py [648-653] if result.returncode == 0: descriptions.append(result.stdout) print(result.stdout) print("-" * 80) # Separator for readability else: - print(f"Error describing pod {pod.metadata.name}: {result.stderr}") + error_msg = f"Error describing pod {pod.metadata.name}: {result.stderr}" + descriptions.append(error_msg) + print(error_msg) Apply this suggestion Suggestion importance[1-10]: 6 Why: Including error messages in the returned descriptions provides better error handling and makes the error information available to calling code, improving debuggability.	6

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