Install konfigadm¶

Linux

wget -nv -nc -O konfigadm \
  https://github.com/flanksource/konfigadm/releases/latest/download/konfigadm && \
  chmod +x konfigadm && \
  mv konfigadm /usr/local/bin/konfigadm

MacOSX

wget -nv -nc -O konfigadm \
  https://github.com/flanksource/konfigadm/releases/latest/download/konfigadm_osx && \
  chmod +x konfigadm && \
  mv konfigadm /usr/local/bin/konfigadm

Create konfigadm.yml¶

konfigadm.yml

kubernetes:
  version: v1.18.15
commands:
  - systemctl start docker
  - kubeadm config images pull --kubernetes-version v1.18.15
  - apt remove -y unattended-upgrades
  - apt-get update
  - apt-get upgrade -y
container_runtime:
  type: docker
cleanup: true

Build image¶

konfigadm images build -v --image ubuntu1804 \
   --resize +15g \
   --output-filename kube-v1.18.15.img  \
  konfigadm.yml

Upload image¶

(Note konfigadm expects $GOVC env vars to be present)

export NAME=k8s-vv1.18.15
echo Pushing image to $GOVC_FQDN/$GOVC_CLUSTER/$GOVC_DATASTORE, net=$GOVC_NETWORK
konfigadm images upload ova -vv --image kube-v1.18.15.img --name $NAME

Configure template¶

govc device.serial.add -vm $NAME -
govc vm.change -vm $NAME -nested-hv-enabled=true -vpmc-enabled=true
govc vm.upgrade -version=15 -vm $NAME