Hi, As learning exercise for go and gRPC and to kill some time on airports and in planes I started to implement a client/server tool using gRPC in go. While the original idea was to replace a dbus implementation, I had to find out that gRPC was not suiteable for that case so I used it to replace my scripts to setup kubernetes on openSUSE Kubic ;) The result is with kubicd/kubicctl a client/server architecture, using MutualTLS and certificates for authentication and encrypted communication. It has RBAC, so you can define which user can do what based on his certificate. Else you can initialize the control plane of the kubernetes master, add nodes, remove nodes and reboot nodes. You can upgrade the kubernetes cluster (tested from kubernetes 1.13.4 to 1.14) and download the kubeconfig file. Since salt is used to communicate with the nodes, there are the following prerequires: 1. kubicd needs to run on the machine, which should become the kubernetes master 2. salt master needs to run on the same machine 3. all nodes need to be a minion reporting to the salt master. - on the nodes: echo "master: <hostname>" > /etc/salt/minion.d/master.conf systemctl enable --now salt-minion - on the master: salt-key -A to accept the minions kubicd and kubicctl packages are part of the openSUSE Tumbleweed repositories. So after installation of openSUSE Kubic, you can install them with "transactional-update pkg install kubicd" on the master node. We will add them to the openSUSE Kubic media the next days. kubicctl can run on any machine you like, so even on your personal workstation. Test coverage, documentation and error handling could need quite some improvements ;), so feel free to create pull requests and file issues. Any kind of feedback is greatly appreciated! I also hope that we can improve the salt usage and integrate it into installer, so that you don't need to setup salt at your own before. The github project can be found here: https://github.com/thkukuk/kubic-control Thorsten -- Thorsten Kukuk, Distinguished Engineer, Senior Architect SLES & MicroOS SUSE Linux GmbH, Maxfeldstr. 5, 90409 Nuernberg, Germany GF: Felix Imendoerffer, Mary Higgins, Sri Rasiah, HRB 21284 (AG Nuernberg) -- To unsubscribe, e-mail: opensuse-kubic+unsubscribe@opensuse.org To contact the owner, e-mail: opensuse-kubic+owner@opensuse.org