A multi-cluster networking operator for Azure. The project is still under DRAFT status, and please do not use it in production.
Create Azure service principal and then create the the following cloud-config file:
{
"cloud": "AzurePublicCloud",
"tenantId": "<tenantId>",
"subscriptionId": "<subscriptionId>",
"aadClientId": "<aadClientId>",
"aadClientSecret": "<aadClientSecret>",
"globalLoadBalancerName": "<glbName>",
"globalVIPLocation": "<region>",
"globalLoadBalancerResourceGroup": "<resourceGroup>"
}
Then create a secret based on this config file:
kubectl create secret generic azure-mcn-config --from-file=cloud-config --namespace mcn-system
After that, build the image and deploy the MCN operator in MCN cluster (it could be any Kubernetes cluster):
IMG=<your-image-registry/image-name> make docker-build docker-push
IMG=<your-image-registry/image-name> make deploy
Create ClusterSet and AKSCluster from kubeconfig:
kubectl create secret generic aks-cluster --from-file=kubeconfig
# create AKSCluster
cat <<EOF | kubectl apply -f -
apiVersion: networking.aks.io/v1alpha1
kind: AKSCluster
metadata:
name: aks-cluster
namespace: default
spec:
kubeConfigSecret: aks-cluster
EOF
# create ClusterSet
cat <<EOF | kubectl apply -f -
apiVersion: networking.aks.io/v1alpha1
kind: ClusterSet
metadata:
name: clusterset-sample
spec:
clusters: ["aks-cluster"]
EOF
Create a GlobalService:
cat <<EOF | kubectl apply -f -
apiVersion: networking.aks.io/v1alpha1
kind: GlobalService
metadata:
name: nginx
namespace: default
spec:
clusterSet: clusterset-sample
ports:
- name: http
port: 80
targetPort: 80
protocol: TCP
EOF
Then deploy nginx service in member clusters (the MCN operator assumes the service names and namespaces are same by default in all member clusters):
kubectx aks-cluster
kubectl create deployment nginx --image nginx --save-config
kubectl expose deploy nginx --port=80 --type=LoadBalancer
kubectl get service nginx
Switch kubeconfig back to MCN cluster and then verify the VIP for the global service:
$ kubectl get globalservice
NAME PORTS VIP STATE
nginx 80 x.x.x.x ACTIVE
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