helper for launching kubevirt guest cluster

create_guest_cluster

#!/bin/bash
#
# helper script to launch kubevirt guest clusters

export KUBEVIRT_CLUSTER_NAME=$1
export KUBEVIRT_CLUSTER_NAMESPACE="clusters-${KUBEVIRT_CLUSTER_NAME}"
export BASE_DOMAIN=$(oc get ingresscontroller -n openshift-ingress-operator default -o yaml | grep domain | awk '{print $2}')
export KUBEVIRT_CLUSTER_BASE_DOMAIN=${KUBEVIRT_CLUSTER_NAME}.${BASE_DOMAIN}
export PULL_SECRET="/root/alias-li/hypershift/pull-secret"
 
hypershift create cluster \
kubevirt \
--name $KUBEVIRT_CLUSTER_NAME \
--base-domain $BASE_DOMAIN \
--node-pool-replicas=2 \
--memory '6Gi' \
--release-image=quay.io/openshift-release-dev/ocp-release@sha256:b33682f203818fcec713c1c7cbe0b01731c8b64991579ca95d1a6409823c652a \
--pull-secret $PULL_SECRET \

echo "waiting to provision kubevirt guest cluster" 
until oc get vms -n $KUBEVIRT_CLUSTER_NAMESPACE | grep -m -1  "$KUBEVIRT_CLUSTER_NAME"; do sleep 5; done &> /dev/null 
oc wait --for=condition=Ready --namespace $KUBEVIRT_CLUSTER_NAMESPACE vm --all --timeout=300s

hypershift create kubeconfig --name="$KUBEVIRT_CLUSTER_NAME" > "${KUBEVIRT_CLUSTER_NAME}-kubeconfig"
export HTTPS_NODEPORT=$(oc --kubeconfig "${KUBEVIRT_CLUSTER_NAME}-kubeconfig" get services -n openshift-ingress router-nodeport-default -o wide | awk '{print $5}' | awk -F "443:" '{print $2}' | awk -F "/" '{print $1}' | tr -d '[:space:]')

# create ingress service
oc create -f - <<EOF
apiVersion: v1
kind: Service
metadata:
  labels:
    app: ${KUBEVIRT_CLUSTER_NAME}
  name: apps-ingress
  namespace: ${KUBEVIRT_CLUSTER_NAMESPACE}
spec:
  internalTrafficPolicy: Cluster
  ipFamilies:
  - IPv4
  ipFamilyPolicy: SingleStack
  ports:
  - name: https-443
    port: 443
    protocol: TCP
    targetPort: $HTTPS_NODEPORT
  selector:
    kubevirt.io: virt-launcher
  sessionAffinity: None
  type: ClusterIP
EOF

# create ingress route
oc create -f - <<EOF
apiVersion: route.openshift.io/v1
kind: Route
metadata:
  name: ${KUBEVIRT_CLUSTER_NAME}-443
  namespace: ${KUBEVIRT_CLUSTER_NAMESPACE}
spec:
  host: data.apps.$KUBEVIRT_CLUSTER_BASE_DOMAIN
  wildcardPolicy: Subdomain
  tls:
    termination: passthrough
  port:
    targetPort: https-443
  to:
    kind: Service
    name: apps-ingress
    weight: 100
EOF

echo "https_nodeport number=$HTTPS_NODEPORT"
echo "kubevirt cluster name: $KUBEVIRT_CLUSTER_NAME"
echo "kubevirt cluster namespace: $KUBEVIRT_CLUSTER_NAMESPACE"
echo "kubevirt cluster base domain: $KUBEVIRT_CLUSTER_BASE_DOMAIN"