My head is starting to hurt. I have tried running Openshift 3 as a container AND as a binary with the simple goal of getting a master running on one machine and a node running on a SEPARATE physical machine. The closest I have come is by using the binary. However, it is not clear to me what the correct steps are. In the documentation, under Master and Node Configuration, it shows I can create a node configuration file for my new node; then run "openshift start node --config..." to start the node. When I run that command on the same machine as the running openshift master I get errors about ports already being bound. So, I try running the command on the other machine. However, it seems I need to at least have started openshift once on the node machine to get the correct ca certificate files in place. But that seems to require running "openshift start" that starts a master and node on the machine I only want to run nodes on. Then, once everything is sufficiently messed up on both machines I realize I can't just stop openshift when I run as a binary because I have to somehow find the openshift process and SIGINT it (I am still looking). When I run openshift as a docker container, openshift is on the docker network and cannot see the other machine by its host name. So, I guess my question is. What are the steps to running a master on one physical machine and a node on a different physical machine? Every example assumes the user wants to use Vagrant or some virtual way to simulate a real cluster. I want the real thing. I would think that would be #1 on most people's list that aren't just wanting to play with new stuff. I see there is an Ansible alternative, but I would like to understand the correct steps to take myself. The documentation seems good at first but becomes very unclear in practice. Do I run the command to start a node on a separate physical machine on the master host (if so, why do i get port already bound errors) or do I run the command on the other node machine (if so, what actually needs to be in place to make the command work)? I was really really hoping the web interface had a simple way to add a node on a separate physical machine. One box and one button. All I should have to do is enter the ip address or host name of the other machine and click a button to add the node.
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