SNO - ACM autojoin

#LOGIN TO HUB CLUSTER 

oc login

#Create a cluster to Import 

export CLUSTER_NAME=sno-autoimport

oc new-project ${CLUSTER_NAME}
oc label namespace ${CLUSTER_NAME} cluster.open-cluster-management.io/managedCluster=${CLUSTER_NAME}

oc apply -f - << EOF
apiVersion: cluster.open-cluster-management.io/v1
kind: ManagedCluster
metadata:
  name: ${CLUSTER_NAME}
spec:
  hubAcceptsClient: true
EOF

oc apply -f - << EOF
apiVersion: agent.open-cluster-management.io/v1
kind: KlusterletAddonConfig
metadata:
  name: ${CLUSTER_NAME}
  namespace: ${CLUSTER_NAME}
spec:
  clusterName: ${CLUSTER_NAME}
  clusterNamespace: ${CLUSTER_NAME}
  applicationManager:
    enabled: true
  certPolicyController:
    enabled: true
  clusterLabels:
    cloud: auto-detect
    vendor: auto-detect
  iamPolicyController:
    enabled: true
  policyController:
    enabled: true
  searchCollector:
    enabled: true
  version: 2.2.0
EOF

#Expoert CRDs and Import definitions

oc get secret ${CLUSTER_NAME}-import -n ${CLUSTER_NAME} -o jsonpath={.data.crds\\.yaml} | base64 --decode > klusterlet-crd.yaml
oc get secret ${CLUSTER_NAME}-import -n ${CLUSTER_NAME} -o jsonpath={.data.import\\.yaml} | base64 --decode > import.yaml

#Create the ignition files

mkdir /root/sno 

openshift-baremetal-install --dir=/root/sno create manifests

#Copy the ACM files to the manifest directory 

cp -rf /root/klusterlet-crd.yaml /root/sno/manifests/01-klusterlet-crd.yaml
cd /root/sno/manifests

#Split the import.yaml file in multiples #Single file wont work

csplit /root/import.yaml --prefix='02-acm-import-cluster' --suffix-format='%03d.yaml' --elide-empty-files /---/ '{*}'

#Delete this file since it is empty.
rm -rf 02-acm-import-cluster000.yaml

#Generate the single-node-ign file
openshift-baremetal-install --dir=/root/sno create single-node-ignition-config

#Clean the iso media.
coreos-installer iso kargs reset /var/lib/libvirt/images/rhcos-live.x86_64.iso
coreos-installer iso ignition remove /var/lib/libvirt/images/rhcos-live.x86_64.iso

For reference: https://gist.github.com/ralvares/976dce493b43c498cf781f8b8dff28d3 - SNO with staticip and nip.io

#Use the coreos-installer to embed ign files and staticIP if you wish

coreos-installer iso ignition embed -fi /root/sno/bootstrap-in-place-for-live-iso.ign /var/lib/libvirt/images/rhcos-live.x86_64.iso
coreos-installer iso kargs modify -a "console=ttyS0 rd.neednet=1 ip=${IP}::${GATEWAY}:${NETMASK}:${HOSTNAME}:${INT}:none nameserver=${DNS}" /var/lib/libvirt/images/rhcos-live.x86_64.iso

Have fun :) 
virt-install --name="master-sno"     --vcpus=4     --ram=16384     --disk path=/var/lib/libvirt/images/master-sno.qcow2,bus=sata,size=120     --network network=default,model=virtio     --boot menu=on     --console pty,target_type=serial     --cpu host-passthrough     --cdrom /var/lib/libvirt/images/rhcos-live.x86_64.iso &