Problem Statement: You want to automate the detection of Pod-level networking issues inside an OpenShift cluster from a remote or bastion host.
Detailed Scenario: In complex OpenShift setups, Pods may experience intermittent connectivity issues due to CNI problems, misconfigured NetworkPolicies, or DNS failures.
Use Case Approach: Use Python’s subprocess or openshift-client to run oc exec into pods.
Tools and Modules: subprocess, json, os
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Approach:
- Select a namespace and test pod using oc get pods.
- Run network tests inside the pod using oc exec:
- Resolve a DNS name.
- Check outbound internet connectivity.
- Summarize results in a readable format (PASS/FAIL).
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