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Quickstart: Create an Azure Cache for Redis using Bicep

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Learn how to use Bicep to deploy a cache using Azure Cache for Redis. After you deploy the cache, use it with an existing storage account to keep diagnostic data. Learn how to define which resources are deployed and how to define parameters that are specified when the deployment is executed. You can use this Bicep file for your own deployments, or customize it to meet your requirements.

Bicep is a domain-specific language (DSL) that uses declarative syntax to deploy Azure resources. It provides concise syntax, reliable type safety, and support for code reuse. Bicep offers the best authoring experience for your infrastructure-as-code solutions in Azure.

Prerequisites

  • Azure subscription: If you don't have an Azure subscription, create a free account before you begin.
  • A storage account: To create one, see Create an Azure Storage account. The storage account is used for diagnostic data. Create the storage account in a new resource group named exampleRG.

Review the Bicep file

The Bicep file used in this quickstart is from Azure Quickstart Templates.

@description('Specify the name of the Azure Redis Cache to create.')
param redisCacheName string = 'redisCache-${uniqueString(resourceGroup().id)}'

@description('Location of all resources')
param location string = resourceGroup().location

@description('Specify the pricing tier of the new Azure Redis Cache.')
@allowed([
  'Basic'
  'Standard'
  'Premium'
])
param redisCacheSKU string = 'Standard'

@description('Specify the family for the sku. C = Basic/Standard, P = Premium.')
@allowed([
  'C'
  'P'
])
param redisCacheFamily string = 'C'

@description('Specify the size of the new Azure Redis Cache instance. Valid values: for C (Basic/Standard) family (0, 1, 2, 3, 4, 5, 6), for P (Premium) family (1, 2, 3, 4, 5)')
@allowed([
  0
  1
  2
  3
  4
  5
  6
])
param redisCacheCapacity int = 1

@description('Specify name of Built-In access policy to use as assignment.')
@allowed([
  'Data Owner'
  'Data Contributor'
  'Data Reader'
])
param builtInAccessPolicyName string = 'Data Reader'

@description('Specify name of custom access policy to create.')
param builtInAccessPolicyAssignmentName string = 'builtInAccessPolicyAssignment-${uniqueString(resourceGroup().id)}'

@description('Specify the valid objectId(usually it is a GUID) of the Microsoft Entra Service Principal or Managed Identity or User Principal to which the built-in access policy would be assigned.')
param builtInAccessPolicyAssignmentObjectId string = newGuid()

@description('Specify human readable name of principal Id of the Microsoft Entra Application name or Managed Identity name used for built-in policy assignment.')
param builtInAccessPolicyAssignmentObjectAlias string = 'builtInAccessPolicyApplication-${uniqueString(resourceGroup().id)}'

@description('Specify name of custom access policy to create.')
param customAccessPolicyName string = 'customAccessPolicy-${uniqueString(resourceGroup().id)}'

@description('Specify the valid permissions for the customer access policy to create. For details refer to https://aka.ms/redis/ConfigureAccessPolicyPermissions')
param customAccessPolicyPermissions string = '+@connection +get +hget allkeys'

@description('Specify name of custom access policy to create.')
param customAccessPolicyAssignmentName string = 'customAccessPolicyAssignment-${uniqueString(resourceGroup().id)}'

@description('Specify the valid objectId(usually it is a GUID) of the Microsoft Entra Service Principal or Managed Identity or User Principal to which the custom access policy would be assigned.')
param customAccessPolicyAssignmentObjectId string = newGuid()

@description('Specify human readable name of principal Id of the Microsoft Entra Application name or Managed Identity name used for custom policy assignment.')
param customAccessPolicyAssignmentObjectAlias string = 'customAccessPolicyApplication-${uniqueString(resourceGroup().id)}'

resource redisCache 'Microsoft.Cache/redis@2023-08-01' = {
  name: redisCacheName
  location: location
  properties: {
    enableNonSslPort: false
    minimumTlsVersion: '1.2'
    sku: {
      capacity: redisCacheCapacity
      family: redisCacheFamily
      name: redisCacheSKU
    }
    redisConfiguration: {
      'aad-enabled': 'true'
    }
  }
}

resource redisCacheBuiltInAccessPolicyAssignment 'Microsoft.Cache/redis/accessPolicyAssignments@2023-08-01' = {
  name: builtInAccessPolicyAssignmentName
  parent: redisCache
  properties: {
    accessPolicyName: builtInAccessPolicyName
    objectId: builtInAccessPolicyAssignmentObjectId
    objectIdAlias: builtInAccessPolicyAssignmentObjectAlias
  }
}

resource redisCacheCustomAccessPolicy 'Microsoft.Cache/redis/accessPolicies@2023-08-01' = {
  name: customAccessPolicyName
  parent: redisCache
  properties: {
    permissions: customAccessPolicyPermissions
  }
  dependsOn: [
    redisCacheBuiltInAccessPolicyAssignment
  ]
}

resource redisCacheCustomAccessPolicyAssignment 'Microsoft.Cache/redis/accessPolicyAssignments@2023-08-01' = {
  name: customAccessPolicyAssignmentName
  parent: redisCache
  properties: {
    accessPolicyName: customAccessPolicyName
    objectId: customAccessPolicyAssignmentObjectId
    objectIdAlias: customAccessPolicyAssignmentObjectAlias
  }
  dependsOn: [
    redisCacheCustomAccessPolicy
  ]
}

The following resources are defined in the Bicep file:

Deploy the Bicep file

  1. Save the Bicep file as main.bicep to your local computer.

  2. Deploy the Bicep file using either Azure CLI or Azure PowerShell.

    az deployment group create --resource-group exampleRG --template-file main.bicep --parameters existingDiagnosticsStorageAccountName=<storage-name> existingDiagnosticsStorageAccountResourceGroup=<resource-group>

    Note

    Replace <storage-name> with the name of the storage account you created at the beginning of this quickstart. Replace <resource-group> with the name of the resource group name in which your storage account is located.

    When the deployment finishes, you see a message indicating the deployment succeeded.

Review deployed resources

Use the Azure portal, Azure CLI, or Azure PowerShell to list the deployed resources in the resource group.

az resource list --resource-group exampleRG

Clean up resources

When no longer needed, delete the resource group, which deletes the resources in the resource group.

az group delete --name exampleRG

Next steps

In this tutorial, you learned how to use Bicep to deploy a cache using Azure Cache for Redis. To learn more about Azure Cache for Redis and Bicep, see the articles below: