kuma: add container-based config discovery support#24522
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Environment: Datadog workspace Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
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Add a from_ports (openmetrics_from_ports template) discovery strategy and auto_conf.yaml for the kuma-control-plane Deployment's diagnostics/metrics port (5680, declared as a containerPort on the pod spec) so the Agent's Kubernetes Autodiscovery listener can automatically generate an openmetrics_endpoint configuration for it, and wire the kind-based E2E test harness up to the new Kubernetes discovery e2e helpers (setup_discovery_agent/save_kube_discovery_state/run_discovery_check_kubernetes/ assert_all_discovery_candidates_stable_kubernetes). Environment: Datadog workspace Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
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What does this PR do?
Adds container-based config discovery support to Kuma.
The OpenMetrics ports is identified via the
diagnosticsnamed port.Motivation
DSCVR-558
Review checklist (to be filled by reviewers)
qa/requiredif this PR needs QA validation, orqa/skip-qaif it does not. Exactly one of the two is required.backport/<branch-name>label to the PR and it will automatically open a backport PR once this one is merged