Author: Paulo Pires pires@apprenda.com
This document describes, step-by-step, how to provision a Kubernetes cluster comprised of:
- One Linux machine acting as Kubernetes master node and OVN central database.
- One Linux machine acting as Kubernetes worker node.
- One Windows machine acting as Kubernetes worker node.
- One Linux machine acting as gateway node.
Many thanks to the great people that helped achieve this, namely:
- Alin Serdean (Cloudbase Solutions)
- Alin Balutoiu (Cloudbase Solutions)
- Feng Min (Google)
- Peter Hornyack (Google)
- The authors of https://github.com/openvswitch/ovn-kubernetes
- Kubernetes SIG-Windows
At the time of this writing, the instructions are meant to be run on Google Compute Engine, but apart from gcloud calls and a few networking details, everything detailed below should work regardless of the adopted cloud-provider.
Having that said, here are the requirements:
- Use Google Cloud Platform (GCP), namely Google Compute Engine (GCE) VMs.
gcloudCLI tool
- Linux machines(s) run Ubuntu 16.04 with latest updates.
- Windows machine(s) run Windows Server 2016 with latest updates.
- Administrator access to all VMs, i.e.
rootin Linux machines.
Follow these steps to deploy your cluster:
- Deploy the master node, where the OVS/OVN and Kubernetes master components will run.
- Deploy worker nodes, Linux and Windows, where the Kubernetes workloads will run.
- Deploy a gateway node, needed for pod container access to the Internet and for exposing services to the Internet (through services with
NodePortload-balancer type).
Heterogeneous Kubernetes cluster demo.
Some pending issues:
As root, run:
apt update
apt install -y build-essential fakeroot dkms \
autoconf automake debhelper dh-autoreconf libssl-dev libtool \
python-all python-twisted-conch python-zopeinterface \
graphviz
cd ~
git clone https://github.com/openvswitch/ovs.git
cd ovs
git checkout branch-2.6
dpkg-checkbuilddeps
DEB_BUILD_OPTIONS='nocheck' fakeroot debian/rules binary