Deploy Azure AKS with Cilium

aks-cilium.sh

#!/usr/bin/env bash

export AZURE_LOCATION="westeurope"
export CLUSTER_FQDN="ruzickap1aks.k8s.mylabs.dev"
# CLUSTER_NAME must have max 12 character due to "--nodepool-name" parameter
export CLUSTER_NAME="${CLUSTER_FQDN%%.*}"
export KUBECONFIG="/tmp/kubeconfig-${CLUSTER_NAME}.conf"

set -euxo pipefail

# az aks get-versions --location=westeurope | jq
if ! az aks list --query '[].name' | grep -q "${CLUSTER_NAME}" ; then
  az group create -n "${CLUSTER_NAME}" -l "${AZURE_LOCATION}"
  az aks create \
    --auto-upgrade-channel stable \
    --enable-cluster-autoscaler \
    --kubernetes-version 1.26.0 \
    --max-count 5 \
    --min-count 2 \
    --name "${CLUSTER_NAME}" \
    --network-plugin none \
    --node-count 2 \
    --node-osdisk-size 30 \
    --node-vm-size Standard_B2ms \
    --nodepool-name "${CLUSTER_NAME}" \
    --nodepool-tags "Owner=petr.ruzicka@gmail.com" "Environment=dev" "Cluster_FQDN=${CLUSTER_FQDN}" \
    --resource-group "${CLUSTER_NAME}" \
    --tags "Owner=petr.ruzicka@gmail.com" "Environment=dev" "Cluster_FQDN=${CLUSTER_FQDN}"

  az aks get-credentials --resource-group "${CLUSTER_NAME}" --name "${CLUSTER_NAME}" --admin --file "${KUBECONFIG}" --overwrite-existing

  cilium install --helm-set cluster.name="${CLUSTER_NAME}" --azure-resource-group "${CLUSTER_NAME}"

else
  az aks get-credentials --resource-group "${CLUSTER_NAME}" --name "${CLUSTER_NAME}" --admin --file "${KUBECONFIG}" --overwrite-existing
fi

cat << EOF

*** Cluster DELETE
export CLUSTER_FQDN="ruzickap1aks.k8s.mylabs.dev"
az group delete --resource-group "${CLUSTER_FQDN%%.*}" --yes

EOF

echo -e "\n*****\n  export KUBECONFIG=${KUBECONFIG} \n*****\n"