K8S on KVM

Create create-vm.sh:

#!/bin/sh

dist='bionic'

if [ -z "$1" ] ;
then
 echo Specify a virtual-machine name.
 exit 1
fi

sudo virt-install \
--name $1 \
--ram 4096 \
--disk path=/mnt/A/images/$1.img,size=30 \
--vcpus 2 \
--os-type linux \
--os-variant ubuntu18.04 \
--network bridge:br0,model=virtio \
--location "http://gb.archive.ubuntu.com/ubuntu/dists/${dist}/main/installer-amd64/" \
--graphics vnc,listen=192.168.2.13 \
--noautoconsole \
--extra-args "ip=192.168.2.30::192.168.2.1:255.255.255.0:${1}.internal.stroila.net:eth0:none"

Run create-vm.sh

./create-vm.sh k8s-master

Get the vnc display

virsh vncdisplay k8s-master

Turn off swap (edit /etc/fstab) and comment out the line that says swap.

and...

swapoff -a

Set static ip

$ cat /etc/netplan/01-netcfg.yaml 
# This file describes the network interfaces available on your system
# For more information, see netplan(5).
network:
  version: 2
  renderer: networkd
  ethernets:
    ens3:
      dhcp4: no
      dhcp6: no
      addresses: [192.168.2.30/24, '2001:1::1/64']
      gateway4: 192.168.2.1
      nameservers:
        addresses: [192.168.2.1]

Clone the vm

virt-clone --original k8s-master --name k8s-w1 --auto-clone
virt-clone --original k8s-master --name k8s-w2 --auto-clone
virt-clone --original k8s-master --name k8s-w3 --auto-clone
...

Docs

Dashboard

OCP

Freecad

CNC

LinkedIn

Page tree