Change apiserver port from 443 to 6443 (except GCP) #248
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dghubble
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Jun 20, 2018
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dghubble
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- Change load balancers, firewall rules, security groups, and generated kubeconfig's
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Bare-metal, DigitalOcean, and AWS work fine. Google Cloud doesn't if 6443 is used. Their TCP proxy only supports a limited set of special ports, which is unreasonable.
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For now, I'll have Google Cloud stick with 443. All the rest will make the switch to 6443. Some time later, I'll get Google Cloud to make the switch too or a switch to some high port. As a downside, this means kube-apiserver will continue to have root for a while longer. |
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* Adjust firewall rules, security groups, cloud load balancers, and generated kubeconfig's * Facilitates some future simplifications and cost reductions * Bare-Metal users who exposed kube-apiserver on a WAN via their router or load balancer will need to adjust its configuration. This is uncommon, most apiserver are on LAN and/or behind VPN so no routing infrastructure is configured with the port number
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