Add an Azure SQL Database elastic pool to a failover group using the Azure CLI

Applies to: Azure SQL Database

This Azure CLI script example creates a single database, adds it to an elastic pool, creates a failover group, and tests failover.

If you don't have an Azure trail subscription, create a trial subscription before you begin.

Prerequisites

If you prefer to run CLI reference commands locally, install the Azure CLI. If you're running on Windows or macOS, consider running Azure CLI in a Docker container. For more information, see How to run the Azure CLI in a Docker container.

• If you're using a local installation, sign in to the Azure CLI by using the az login command. To finish the authentication process, follow the steps displayed in your terminal. For other sign-in options, see Sign in with the Azure CLI.

• When you're prompted, install the Azure CLI extension on first use. For more information about extensions, see Use extensions with the Azure CLI.

• Run az version to find the version and dependent libraries that are installed. To upgrade to the latest version, run az upgrade.

Sample script

Sign in to Azure

Use the following script to sign in using a different subscription, replacing <Subscription ID> with your Azure Subscription ID. If you don't have an Azure trail subscription, create a trial subscription before you begin.

subscription="<subscriptionId>" # add subscription here

az account set -s $subscription # ...or use 'az login'

For more information, see set active subscription or log in interactively.

Run the script

# Add an Azure SQL Database elastic pool to a failover group
# Variable block
let "randomIdentifier=$RANDOM*$RANDOM"
location="China East 2"
resourceGroup="msdocs-azuresql-rg-$randomIdentifier"
tag="add-elastic-pool-to-failover-group-az-cli"
server="msdocs-azuresql-server-$randomIdentifier"
database="msdocsazuresqldb$randomIdentifier"
login="azureuser"
password="Pa$$w0rD-$randomIdentifier"
pool="msdocs-azuresql-pool-$randomIdentifier"
failoverGroup="msdocs-azuresql-failover-group-$randomIdentifier"
failoverLocation="China North 2"
secondaryServer="msdocs-azuresql-secondary-server-$randomIdentifier"
echo "Using resource group $resourceGroup with login: $login, password: $password..."

echo "Creating $resourceGroup in $location..."
az group create --name $resourceGroup --location "$location" --tags $tag

echo "Creating $server in $location..."
az sql server create --name $server --resource-group $resourceGroup --location "$location"  --admin-user $login --admin-password $password

echo "Creating $database on $server..."
az sql db create --name $database --resource-group $resourceGroup --server $server --sample-name AdventureWorksLT

echo "Creating $pool on $server..."
az sql elastic-pool create --name $pool --resource-group $resourceGroup --server $server
echo "Adding $database to $pool..."
az sql db update --elastic-pool $pool --name $database --resource-group $resourceGroup --server $server
echo "Creating $secondaryServer in $failoverLocation..."
az sql server create --name $secondaryServer --resource-group $resourceGroup --location "$failoverLocation"  --admin-user $login --admin-password $password
echo "Creating $pool on $secondaryServer..."
az sql elastic-pool create --name $pool --resource-group $resourceGroup --server $secondaryServer
echo "Creating $failoverGroup between $server and $secondaryServer..."
az sql failover-group create --name $failoverGroup --partner-server $secondaryServer --resource-group $resourceGroup --server $server --failover-policy Automatic --grace-period 2
databaseId=$(az sql elastic-pool list-dbs --name $pool --resource-group $resourceGroup --server $server --query [0].name -o json | tr -d '"')
echo "Adding $database to $failoverGroup..."
az sql failover-group update --name $failoverGroup --add-db $databaseId --resource-group $resourceGroup --server $server
echo "Confirming the role of each server in the failover group..." # note ReplicationRole property
az sql failover-group show --name $failoverGroup --resource-group $resourceGroup --server $server
echo "Failing over to $secondaryServer..."
az sql failover-group set-primary --name $failoverGroup --resource-group $resourceGroup --server $secondaryServer 

echo "Confirming role of $secondaryServer is now primary..." # note ReplicationRole property
az sql failover-group show --name $failoverGroup --resource-group $resourceGroup --server $server
echo "Failing back to $server...."
az sql failover-group set-primary --name $failoverGroup --resource-group $resourceGroup --server $server

Clean up resources

Use the following command to remove the resource group and all resources associated with it using the az group delete command - unless you have an ongoing need for these resources. Some of these resources may take a while to create, as well as to delete.

az group delete --name $resourceGroup

Sample reference

This script uses the following commands. Each command in the table links to command specific documentation.

Next steps

For more information on Azure CLI, see Azure CLI documentation.

Additional SQL Database CLI script samples can be found in the Azure SQL Database documentation.