The Service and Ingress respectively brings L4 and L7 traffics to your pods. In this article, I focus on how traffic flows in and what are the interactions between the ingress controller and the service-lb controller (the thing that creates the external load balancer). I also detail how the `hostPort` approach shapes traffic.| maelvls.dev
Some pods were unable to connect to the kube-proxy pod on one of my GKE Kubernetes clusters. This post present an in-depth investigation using tcpdump, wireshark and iptables tracing.| maelvls.dev