Financial-Times/k8s_traffic_plug

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Kubernetes Traffic Plug Support for graceful server shutdown under Kubernetes termination life-cycle. The plug supports a /__traffic endpoint which normally returns 200. When the VM receives a SIGTERM signal, the endpoint starts returning HTTP error code 500, which, when used with an HTTP readinessProbe, ensures that traffic is routed away from the pod, before a delayed graceful shutdown begins. See modules for detailed documentation, also my blog post, Graceful shutdown on Kubernetes with signals...