Is it possible to turn Transparent Data Encryption on for a SQL Azure DB using an ARM json template? If so, how?
For Azure SQL Database and Azure Synapse Analytics, the TDE protector is set at the server level and is inherited by all encrypted databases associated with that server. For Azure SQL Managed Instance, the TDE protector is set at the instance level and is inherited by all encrypted databases on that instance.
TDE does real-time I/O encryption and decryption of data and log files. The encryption uses a database encryption key (DEK). The database boot record stores the key for availability during recovery. The DEK is a symmetric key.
To configure TDE through the Azure portal, you must be connected as the Azure Owner, Contributor, or SQL Security Manager. Enable and disable TDE on the database level. For Azure SQL Managed Instance use Transact-SQL (T-SQL) to turn TDE on and off on a database.
The Template Should look like this.
{
"$schema": "http://schema.management.azure.com/schemas/2015-01-01/deploymentTemplate.json#",
"contentVersion": "1.0.0.0",
"parameters": {
"serverName": {
"type": "string",
"defaultValue": "TDETest2",
"metadata": {
"description": "The name of the new SQL Server to create."
}
},
"administratorLogin": {
"type": "string",
"metadata": {
"description": "The admin user of the SQL Server"
}
},
"administratorLoginPassword": {
"type": "securestring",
"metadata": {
"description": "The password of the admin user of the SQL Server"
}
},
"databaseName": {
"type": "string",
"defaultValue": "TDETest2",
"metadata": {
"description": "The name of the new database to create."
}
},
"collation": {
"type": "string",
"defaultValue": "SQL_Latin1_General_CP1_CI_AS",
"metadata": {
"description": "The database collation for governing the proper use of characters."
}
},
"edition": {
"type": "string",
"defaultValue": "Basic",
"allowedValues": [
"Basic",
"Standard",
"Premium"
],
"metadata": {
"description": "The type of database to create."
}
},
"maxSizeBytes": {
"type": "string",
"defaultValue": "1073741824",
"metadata": {
"description": "The maximum size, in bytes, for the database"
}
},
"requestedServiceObjectiveName": {
"type": "string",
"defaultValue": "Basic",
"allowedValues": [
"Basic",
"S0",
"S1",
"S2",
"P1",
"P2",
"P3"
],
"metadata": {
"description": "Describes the performance level for Edition"
}
}
},
"variables": {
},
"resources": [
{
"name": "[parameters('serverName')]",
"type": "Microsoft.Sql/servers",
"location": "[resourceGroup().location]",
"tags": {
"displayName": "SqlServer"
},
"apiVersion": "2014-04-01-preview",
"properties": {
"administratorLogin": "[parameters('administratorLogin')]",
"administratorLoginPassword": "[parameters('administratorLoginPassword')]"
},
"resources": [
{
"name": "[parameters('databaseName')]",
"type": "databases",
"location": "[resourceGroup().location]",
"tags": {
"displayName": "Database"
},
"apiVersion": "2014-04-01-preview",
"dependsOn": [
"[parameters('serverName')]"
],
"properties": {
"edition": "[parameters('edition')]",
"collation": "[parameters('collation')]",
"maxSizeBytes": "[parameters('maxSizeBytes')]",
"requestedServiceObjectiveName": "[parameters('requestedServiceObjectiveName')]"
},
"resources":[
{
"name": "current",
"type": "transparentDataEncryption",
"dependsOn": [
"[parameters('databaseName')]"
],
"location": null,
"apiVersion": "2014-04-01",
"properties": {
"status": "Disabled"
}
}
]
},
{
"type": "firewallrules",
"apiVersion": "2014-04-01-preview",
"dependsOn": [
"[parameters('serverName')]"
],
"location": "[resourceGroup().location]",
"name": "AllowAllWindowsAzureIps",
"properties": {
"endIpAddress": "0.0.0.0",
"startIpAddress": "0.0.0.0"
}
}
]
}
],
"outputs": {
"sqlSvrFqdn": {
"type": "string",
"value": "[reference(concat('Microsoft.Sql/servers/', parameters('serverName'))).fullyQualifiedDomainName]"
}
}
}
transparentDataEncryption
should be a resource that belongs to an SQL database. Hence I am putting it under the resources of the database template.
However, after testing this template, I get the following error message.
Code : InvalidTemplate
Message : Deployment template validation failed: 'The template resource 'Microsoft.Sql/servers/TDETest2/databases/TDETest2' cannot reference itself. Please see http://aka.ms/arm-template-expressions/#reference for usage details.'.
That means Transparent Data Encryption is not supported yet in ARM Template. I have posted a feature request. Please vote here
Thanks for @JeffBailey. I find out that I have made a mistake in my template, using serverName instead of databaseName in the
dependsOn
of the transparentDataEncryption. The template has been updated.
You need to add the resource:
"resources":[
{
"name": "current",
"type": "transparentDataEncryption",
"dependsOn": [
"[parameters('databaseName')]"
],
"location": null,
"apiVersion": "2014-04-01",
"properties": {
"status": "Enabled"
}
}
]
And the database version has to be version 12:
"resources": [
{
"name": "[parameters('serverName')]",
"type": "Microsoft.Sql/servers",
"location": "[resourceGroup().location]",
"tags": {
"displayName": "SqlServer"
},
"apiVersion": "2014-04-01-preview",
"properties": {
"administratorLogin": "[parameters('administratorLogin')]",
"administratorLoginPassword": "[parameters('administratorLoginPassword')]",
"version": "12.0"
},
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