Create a database and graph with autoscale for Azure Cosmos DB - API for Gremlin

APPLIES TO: Gremlin

This sample requires Azure PowerShell Az 5.4.0 or later. Run Get-Module -ListAvailable Az to see which versions are installed. If you need to install, see Install Azure PowerShell module.

Run Connect-AzAccount -Environment AzureChinaCloud to sign in to Azure.

Sample script

# Reference: Az.CosmosDB | https://learn.microsoft.com/powershell/module/az.cosmosdb
# --------------------------------------------------
# Purpose
# Create Cosmos Gremlin API account, database, and graph
# with autoscale throughput
# --------------------------------------------------
Function New-RandomString{Param ([Int]$Length = 10) return $(-join ((97..122) + (48..57) | Get-Random -Count $Length | ForEach-Object {[char]$_}))}
# --------------------------------------------------
$uniqueId = New-RandomString -Length 7 # Random alphanumeric string for unique resource names
$apiKind = "Gremlin"
# --------------------------------------------------
# Variables - ***** SUBSTITUTE YOUR VALUES *****
$locations = @()
$locations += New-AzCosmosDBLocationObject -LocationName "China East" -FailoverPriority 0 -IsZoneRedundant 0
$locations += New-AzCosmosDBLocationObject -LocationName "China North" -FailoverPriority 1 -IsZoneRedundant 0

$resourceGroupName = "myResourceGroup" # Resource Group must already exist
$accountName = "cosmos-$uniqueId" # Must be all lower case
$consistencyLevel = "Session"
$databaseName = "myDatabase"
$graphName = "myGraph"
$autoscaleMaxThroughput = 4000 #minimum = 4000
$partitionKeys = @("/myPartitionKey")
# --------------------------------------------------

Write-Host "Creating account $accountName"
$account = New-AzCosmosDBAccount -ResourceGroupName $resourceGroupName `
    -LocationObject $locations -Name $accountName -ApiKind $apiKind `
    -DefaultConsistencyLevel $consistencyLevel `
    -EnableAutomaticFailover:$true

Write-Host "Creating database $databaseName"
$database = New-AzCosmosDBGremlinDatabase -ParentObject $account `
    -Name $databaseName

Write-Host "Creating graph $graphName"
$graph = New-AzCosmosDBGremlinGraph -ParentObject $database `
    -Name $graphName -AutoscaleMaxThroughput $autoscaleMaxThroughput `
    -PartitionKeyKind Hash -PartitionKeyPath $partitionKeys

Clean up deployment

After the script sample has been run, the following command can be used to remove the resource group and all resources associated with it.

Remove-AzResourceGroup -ResourceGroupName "myResourceGroup"

Script explanation

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

Next steps

For more information on the Azure PowerShell, see Azure PowerShell documentation.