docs(runbook): add calico-cni-unauthorized runbook (PGM-209)#30
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Documents the failure mode where expired or wrong-SA calico-kubeconfig JWT blocks all new pod scheduling on a node with Unauthorized errors. Observed twice: PGM-204 (wrong SA after upgrade) and 2026-05-24 (expired JWT blocking k8s01 for 25h). Covers detection, root causes, recovery (delete calico-node pod), and prevention via Nagios check_calico_kubeconfig and calico-upgrade.yml Phase 4 verification. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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Summary
src/runbooks/calico-cni-unauthorized.md— runbook for the failure mode where expired or wrong-SA calico-kubeconfig JWT blocks pod scheduling on a nodeObserved twice: PGM-204 (wrong SA after v3.13→v3.29 upgrade) and 2026-05-24 (expired JWT blocking k8s01 for 25h with 6 Jiva replicas stuck ContainerCreating).
Test plan
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