Minikube using KVM2 driver on Ubuntu

start.sh

#!/bin/bash
set -euo pipefail

cat <<'EOF'> /tmp/minikube-br0.xml
<network>
  <name>minikube</name>
  <uuid>ec47d11f-87ba-4231-b38d-0efedd392b84</uuid>
  <forward mode='nat'>
    <nat>
      <port start='1024' end='65535'/>
    </nat>
  </forward>
  <bridge name='minikube-br0' stp='on' delay='0'/>
  <mac address='52:54:00:ca:f9:6a'/>
  <dns enable='no'/>
  <ip address='100.99.1.1' netmask='255.255.255.0'>
    <dhcp>
      <range start='100.99.1.2' end='100.99.1.99'/>
    </dhcp>
  </ip>
</network>
EOF

virsh net-define --file /tmp/minikube-br0.xml
virsh net-start --network minikube
virsh net-autostart --network minikube
minikube start --network minikube --kvm-network minikube
rm -f /tmp/minikube-br0.xml

if [[ ! -f /etc/libvirt/hooks/qemu ]]; then
  sudo bash -c 'cat <<"EOF" > /etc/libvirt/hooks/qemu
#!/bin/bash

# IMPORTANT: Change the "VM NAME" string to match your actual VM Name.
# In order to create rules to other VMs, just duplicate the below block and configure
# it accordingly.
if [ "${1}" = "minikube" ]; then

   # Update the following variables to fit your setup
   LAN_CIDR="172.16.31.0/24"
   VM_NET_CIDR="100.99.1.0/24"
   INT_IN="eth0"
   INT_OUT="minikube-br0"

   if [ "${2}" = "stopped" ] || [ "${2}" = "reconnect" ]; then
        /sbin/iptables -D LIBVIRT_FWI -i $INT_IN -o $INT_OUT -s $LAN_CIDR -d $VM_NET_CIDR -j ACCEPT  -m comment --comment "Allow LAN to access Minikube network"
   fi
   if [ "${2}" = "start" ] || [ "${2}" = "reconnect" ]; then
        /sbin/iptables -I LIBVIRT_FWI -i $INT_IN -o $INT_OUT -s $LAN_CIDR -d $VM_NET_CIDR -j ACCEPT  -m comment --comment "Allow LAN to access Minikube network"
   fi
fi
EOF'
  sudo chmod +x /etc/libvirt/hooks/qemu
else
  sudo bash -c 'cat <<"EOF" >> /etc/libvirt/hooks/qemu
if [ "${1}" = "minikube" ]; then

   # Update the following variables to fit your setup
   LAN_CIDR="172.16.31.0/24"
   VM_NET_CIDR="100.99.1.0/24"
   INT_IN="eth0"
   INT_OUT="minikube-br0"

   if [ "${2}" = "stopped" ] || [ "${2}" = "reconnect" ]; then
        /sbin/iptables -D LIBVIRT_FWI -i $INT_IN -o $INT_OUT -s $LAN_CIDR -d $VM_NET_CIDR -j ACCEPT  -m comment --comment "Allow LAN to access Minikube network"
   fi
   if [ "${2}" = "start" ] || [ "${2}" = "reconnect" ]; then
        /sbin/iptables -I LIBVIRT_FWI -i $INT_IN -o $INT_OUT -s $LAN_CIDR -d $VM_NET_CIDR -j ACCEPT  -m comment --comment "Allow LAN to access Minikube network"
   fi
fi
EOF'
fi

sudo systemctl restart libvirtd.service

minikube ip

function kubectl () {
  if which kubectl &>/dev/null; then
    kubectl "$@"
  else
    minikube kubectl -- "$@"
  fi
}

# install metallb
kubectl apply -f https://raw.githubusercontent.com/metallb/metallb/v0.13.7/config/manifests/metallb-native.yaml
kubectl apply -f - <<EOF
apiVersion: v1
data:
  secretkey: bWxEVGZJenZMMGJqUlp1REkzL0syZVJ6YnpBRUd3SktPcGhkNHk3VTZHZUJDVWNiaC90aXhWbWI5em5yL3RmRQpEenA3UXliYmlzbnE2NUp1YjdwbVVNcXJrQWVuZ3lEUXFROE5OUElaa3dhN0VxQUNjR0RIYWJoV1hBenRUNGppCm5BTEJ0NmRhNDlPYTZZUkREenB1VUVRaUptR3A2Y25PVmoveGdEdWh1b2c9
kind: Secret
metadata:
  creationTimestamp: null
  name: memberlist
  namespace: metallb-system
EOF

echo "Waiting for MetalLB to get ready..."
kubectl -n metallb-system wait pods --for=condition=ready --all --timeout=90s

# configure metallb
kubectl apply -f - <<EOF
---
apiVersion: metallb.io/v1beta1
kind: L2Advertisement
metadata:
  name: default-advertisment
  namespace: metallb-system
---
apiVersion: metallb.io/v1beta1
kind: IPAddressPool
metadata:
  name: default-pool
  namespace: metallb-system
spec:
  addresses:
  - 100.99.1.100-100.99.1.254
EOF

# install ingress-nginx
kubectl apply -f https://raw.githubusercontent.com/kubernetes/ingress-nginx/controller-v1.5.1/deploy/static/provider/baremetal/deploy.yaml
kubectl \
  -n ingress-nginx \
  patch svc ingress-nginx-controller \
  -p '{"spec": {"type": "LoadBalancer", "loadBalancerIP": "100.99.1.100"}}'

unset kubectl

exit 0