Login to all clusters that you have access to in an Azure tenant

login-all-clusters.sh

#!/usr/bin/env bash

# get the environment to deploy to
read -p "Should we login as admin? (y/n) [y]: " ADMIN
ADMIN=${ADMIN:-y}

if [ "$ADMIN" == "y" ]; then
    ADMIN_STRING="--admin"
else
    ADMIN_STRING=""
fi

if [ -z "$KUBE_CONFIG_PATH" ]; then
    echo "KUBE_CONFIG_PATH is not set. Please set it to the path of the kubeconfig file you want to use."
    echo "Default is ~/.kube/config"
    read -p "Enter path to kubeconfig file or press enter to skip and set it to the default above: " KUBE_CONFIG_PATH
    KUBE_CONFIG_PATH=${KUBE_CONFIG_PATH:-~/.kube/config}
    export KUBE_CONFIG_PATH

    echo "Please consider adding the following to your .bashrc or .zshrc file:"
    echo "export KUBE_CONFIG_PATH=$KUBE_CONFIG_PATH"
fi

if [ -z "$KUBECONFIG" ]; then
    echo "KUBECONFIG is not set. Please set it to the path of the kubeconfig file you want to use."
    echo "Default is ~/.kube/config"
    read -p "Enter path to kubeconfig file or press enter to skip and set it to the default above: " KUBECONFIG
    KUBECONFIG=${KUBECONFIG:-~/.kube/config}
    export KUBECONFIG

    echo "Please consider adding the following to your .bashrc or .zshrc file:"
    echo "export KUBECONFIG=$KUBECONFIG"
fi

echo "Current KUBECONFIG path: $KUBECONFIG (this is what kubectl uses)"
echo "Current KUBE_CONFIG_PATH path: $KUBE_CONFIG_PATH (this is what terraform uses)"


CLUSTERS=$(az aks list --query "[].{name:name, resourceGroup:resourceGroup}" -o json)
echo $CLUSTERS

arr=$(echo $CLUSTERS | jq -c '.[]')
for d in $arr; do
    echo $d
    NAME=$(echo $d | jq -r '.name')
    RESOURCE_GROUP=$(echo $d | jq -r '.resourceGroup')
    echo "merging credentials for $NAME into $KUBE_CONFIG_PATH"
    az aks get-credentials --name $NAME --resource-group $RESOURCE_GROUP $ADMIN_STRING --file $KUBE_CONFIG_PATH

    if [ $KUBE_CONFIG_PATH != $KUBECONFIG ]; then
        echo "merging credentials for $NAME into $KUBECONFIG"
        az aks get-credentials --name $NAME --resource-group $RESOURCE_GROUP $ADMIN_STRING --file $KUBECONFIG
    fi
    echo "-----------------"
done

exit 0