Add NetworkPolicy controller to restrict operator pod traffic (#110) - #174
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Add NetworkPolicy controller to restrict operator pod traffic (#110)#174ompushkara wants to merge 3 commits into
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* Add NetworkPolicy controller to restrict operator pod traffic Introduce a self-healing NetworkPolicy reconciler that enforces ingress (9443, 8081) and egress (DNS, HTTPS, K8s API) rules on the operator pod. The controller watches for drift and recreates or updates the policy automatically. Includes RBAC permissions, POD_NAMESPACE downward API injection, unit tests, and test utility updates for NetworkPolicy scheme. * Add peer selectors and metrics port to NetworkPolicy Signed-off-by: ompushkara <omotilal@redhat.com> Add OLM upgrade version logic instead of manually hardcoding * Allow same-namespace pods to reach metrics port in NetworkPolicy Signed-off-by: ompushkara <omotilal@redhat.com> * Drop namespace selectors for apiserver NetworkPolicy rules Signed-off-by: ompushkara <omotilal@redhat.com> * Replace NetworkPolicy reconciler with one-shot startup install Instead of a dedicated controller that watches and reconciles the NetworkPolicy, install it once at operator startup using a direct client call. This simplifies the codebase while achieving the same result — the operator's NetworkPolicy is created or updated before the manager starts. Signed-off-by: ompushkara <omotilal@redhat.com> --------- Signed-off-by: ompushkara <omotilal@redhat.com>
Signed-off-by: ompushkara <omotilal@redhat.com>
…to be in sync with what securesign operator does for upgrade Signed-off-by: ompushkara <omotilal@redhat.com>
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Added OLM upgrade test as well Downstream PRs : |
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Introduce a self-healing NetworkPolicy reconciler that enforces ingress (9443, 8081) and egress (DNS, HTTPS, K8s API) rules on the operator pod. The controller watches for drift and recreates or updates the policy automatically. Includes RBAC permissions, POD_NAMESPACE downward API injection, unit tests, and test utility updates for NetworkPolicy scheme.
Add OLM upgrade version logic instead of manually hardcoding
Allow same-namespace pods to reach metrics port in NetworkPolicy
Drop namespace selectors for apiserver NetworkPolicy rules
Replace NetworkPolicy reconciler with one-shot startup install
Instead of a dedicated controller that watches and reconciles the NetworkPolicy, install it once at operator startup using a direct client call. This simplifies the codebase while achieving the same result — the operator's NetworkPolicy is created or updated before the manager starts.
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