This repo has some example Kubernetes cluster-api objects for creating clusters with cluster-api.
Refer to this documentation on how to set up your Azure account to use with clusterapi. https://capz.sigs.k8s.io/topics/getting-started.html
To initialize the management cluster to work with Azure run the following.
export AZURE_SUBSCRIPTION_ID="<SubscriptionId>"
# Create an Azure Service Principal and paste the output here
export AZURE_TENANT_ID="<Tenant>"
export AZURE_CLIENT_ID="<AppId>"
export AZURE_CLIENT_SECRET="<Password>"
# Base64 encode the variables
export AZURE_SUBSCRIPTION_ID_B64="$(echo -n "$AZURE_SUBSCRIPTION_ID" | base64 | tr -d '\n')"
export AZURE_TENANT_ID_B64="$(echo -n "$AZURE_TENANT_ID" | base64 | tr -d '\n')"
export AZURE_CLIENT_ID_B64="$(echo -n "$AZURE_CLIENT_ID" | base64 | tr -d '\n')"
export AZURE_CLIENT_SECRET_B64="$(echo -n "$AZURE_CLIENT_SECRET" | base64 | tr -d '\n')"
# Settings needed for AzureClusterIdentity used by the AzureCluster
export AZURE_CLUSTER_IDENTITY_SECRET_NAME="cluster-identity-secret"
export CLUSTER_IDENTITY_NAME="cluster-identity"
export AZURE_CLUSTER_IDENTITY_SECRET_NAMESPACE="default"
# Create a secret to include the password of the Service Principal identity created in Azure
# This secret will be referenced by the AzureClusterIdentity used by the AzureCluster
kubectl create secret generic "${AZURE_CLUSTER_IDENTITY_SECRET_NAME}" --from-literal=clientSecret="${AZURE_CLIENT_SECRET}" --namespace "${AZURE_CLUSTER_IDENTITY_SECRET_NAMESPACE}"
# Finally, initialize the management cluster
clusterctl init --infrastructure azure
To create an AKS 'managed' cluster run the following command. The --flavor aks is critical in having the cluster manged by AKS. If the --flavor flag is not inclued a 'regular' cluster will be created.
Create the cluster yaml:
clusterctl generate cluster capi-quickstart --flavor aks --kubernetes-version v1.23.8 --worker-machine-count=2 > azure.yaml
Create the cluster with the cluster yaml:
kubectl apply -f azure.yaml
After that command runs you can download the new cluster's kube context file. This command will add the new cluster's context to your ~/.kube/config file.
az aks get-credentials --resource-group capi-quickstart --name capi-quickstart
After your kube context is pointed to the new capi-quickstart cluster you'll need to add the CNI solution:
kubectl --kubeconfig=./capi-quickstart.kubeconfig \
apply -f https://raw.githubusercontent.com/kubernetes-sigs/cluster-api-provider-azure/main/templates/addons/calico.yaml
To delete the cluster run the following command:
kubectl delete cluster capi-quickstart
After the AKS cluster is deleted then you can delete the manifests from the management cluster:
kubectl delete -f azure.yaml
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