Fix pod annotations propagating to namespace #13165
Merged
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Currently, there's a bug with the jaeger injector where annotation overrides from a pod can propagate to any pod in the same namespace, provided they happen after the admission for the original pod occurs.
This fixes that by performing a deep copy of the namespace annotations, instead of editing the one in the local cache (which appears to have been unintentional).
Validated with a local deployment and checking that annotations are no longer propagated to unrelated pods.