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Quickstart: Define and assign an Azure blueprint with REST API

  • Artikkeli

Important

On July 11, 2026, Blueprints (Preview) will be deprecated. Migrate your existing blueprint definitions and assignments to Template Specs and Deployment Stacks. Blueprint artifacts are to be converted to ARM JSON templates or Bicep files used to define deployment stacks. To learn how to author an artifact as an ARM resource, see:

In this tutorial, you learn to use Azure Blueprints to do some of the common tasks related to creating, publishing, and assigning a blueprint within your organization. This skill helps you define common patterns to develop reusable and rapidly deployable configurations, based on Azure Resource Manager (ARM) templates, policy, and security.

Prerequisites

Azure Cloud Shell

Azure hosts Azure Cloud Shell, an interactive shell environment that you can use through your browser. You can use either Bash or PowerShell with Cloud Shell to work with Azure services. You can use the Cloud Shell preinstalled commands to run the code in this article, without having to install anything on your local environment.

To start Azure Cloud Shell:

Option Example/Link
Select Try It in the upper-right corner of a code or command block. Selecting Try It doesn't automatically copy the code or command to Cloud Shell. Screenshot that shows an example of Try It for Azure Cloud Shell.
Go to https://shell.azure.com, or select the Launch Cloud Shell button to open Cloud Shell in your browser. Button to launch Azure Cloud Shell.
Select the Cloud Shell button on the menu bar at the upper right in the Azure portal. Screenshot that shows the Cloud Shell button in the Azure portal

To use Azure Cloud Shell:

  1. Start Cloud Shell.

  2. Select the Copy button on a code block (or command block) to copy the code or command.

  3. Paste the code or command into the Cloud Shell session by selecting Ctrl+Shift+V on Windows and Linux, or by selecting Cmd+Shift+V on macOS.

  4. Select Enter to run the code or command.

Get started with REST API

If you're unfamiliar with REST API, start by reviewing the Azure REST API Reference, specifically the sections about request URI and request body. This quickstart uses these concepts to provide directions for working with Azure Blueprints, and assumes a working knowledge of them. Tools such as ARMClient can handle authorization automatically, and are recommended for beginners.

For the Azure Blueprints specs, see Azure Blueprints REST API.

REST API and PowerShell

If you don't already have a tool for making REST API calls, consider using PowerShell for these instructions. The following is a sample header for authenticating with Azure. Generate an authentication header, sometimes called a bearer token, and provide the REST API URI to connect with any parameters or a Request Body:

# Log in first with Connect-AzAccount if not using Cloud Shell

$azContext = Get-AzContext
$azProfile = [Microsoft.Azure.Commands.Common.Authentication.Abstractions.AzureRmProfileProvider]::Instance.Profile
$profileClient = New-Object -TypeName Microsoft.Azure.Commands.ResourceManager.Common.RMProfileClient -ArgumentList ($azProfile)
$token = $profileClient.AcquireAccessToken($azContext.Subscription.TenantId)
$authHeader = @{
    'Content-Type'='application/json'
    'Authorization'='Bearer ' + $token.AccessToken
}

# Invoke the REST API
$restUri = 'https://management.azure.com/subscriptions/{subscriptionId}?api-version=2020-01-01'
$response = Invoke-RestMethod -Uri $restUri -Method Get -Headers $authHeader

Replace {subscriptionId} in the preceding $restUri variable to get information about your subscription. The $response variable holds the result of the Invoke-RestMethod cmdlet, which you can parse with cmdlets such as ConvertFrom-Json. If the REST API service endpoint expects a Request Body, provide a JSON-formatted variable to the -Body parameter of Invoke-RestMethod.

Create a blueprint

The first step in defining a standard pattern for compliance is to compose a blueprint from the available resources. Let's create a blueprint named MyBlueprint to configure role and policy assignments for the subscription. Then you add a resource group, an ARM template, and a role assignment on the resource group.

Note

When you're using the REST API, the blueprint object is created first. For each artifact to be added that has parameters, you define the parameters in advance on the initial blueprint.

In each REST API URI, replace the following variables with your own values:

  • {YourMG} - Replace with the ID of your management group.
  • {subscriptionId} - Replace with your subscription ID.

Note

You can also create blueprints at the subscription level. For more information, see create blueprint at subscription example.

  1. Create the initial blueprint object. The Request Body includes properties about the blueprint, any resource groups to create, and all of the blueprint-level parameters. You set the parameters during assignment, and they're used by the artifacts you add in later steps.

    • REST API URI

      PUT https://management.azure.com/providers/Microsoft.Management/managementGroups/{YourMG}/providers/Microsoft.Blueprint/blueprints/MyBlueprint?api-version=2018-11-01-preview

    • Request Body

      {
    "properties": {
        "description": "This blueprint sets tag policy and role assignment on the subscription, creates a ResourceGroup, and deploys a resource template and role assignment to that ResourceGroup.",
        "targetScope": "subscription",
        "parameters": {
            "storageAccountType": {
                "type": "string",
                "metadata": {
                    "displayName": "storage account type.",
                    "description": null
                }
            },
            "tagName": {
                "type": "string",
                "metadata": {
                    "displayName": "The name of the tag to provide the policy assignment.",
                    "description": null
                }
            },
            "tagValue": {
                "type": "string",
                "metadata": {
                    "displayName": "The value of the tag to provide the policy assignment.",
                    "description": null
                }
            },
            "contributors": {
                "type": "array",
                "metadata": {
                    "description": "List of AAD object IDs that is assigned Contributor role at the subscription"
                }
            },
            "owners": {
                "type": "array",
                "metadata": {
                    "description": "List of AAD object IDs that is assigned Owner role at the resource group"
                }
            }
        },
        "resourceGroups": {
            "storageRG": {
                "description": "Contains the resource template deployment and a role assignment."
            }
        }
    }
}

  2. Add a role assignment at the subscription. The Request Body defines the kind of artifact, the properties align to the role definition identifier, and the principal identities are passed as an array of values. In the following example, the principal identities granted the specified role are configured to a parameter that is set during blueprint assignment. This example uses the Contributor built-in role, with a GUID of b24988ac-6180-42a0-ab88-20f7382dd24c.

    • REST API URI

      PUT https://management.azure.com/providers/Microsoft.Management/managementGroups/{YourMG}/providers/Microsoft.Blueprint/blueprints/MyBlueprint/artifacts/roleContributor?api-version=2018-11-01-preview

    • Request Body

      {
    "kind": "roleAssignment",
    "properties": {
        "roleDefinitionId": "/providers/Microsoft.Authorization/roleDefinitions/b24988ac-6180-42a0-ab88-20f7382dd24c",
        "principalIds": "[parameters('contributors')]"
    }
}

  3. Add a policy assignment at the subscription. The Request Body defines the kind of artifact, the properties align to a policy or initiative definition, and the policy assignment is configured to use the defined blueprint parameters during blueprint assignment. This example uses the Apply tag and its default value to resource groups built-in policy, with a GUID of 49c88fc8-6fd1-46fd-a676-f12d1d3a4c71.

    • REST API URI

      PUT https://management.azure.com/providers/Microsoft.Management/managementGroups/{YourMG}/providers/Microsoft.Blueprint/blueprints/MyBlueprint/artifacts/policyTags?api-version=2018-11-01-preview

    • Request Body

      {
    "kind": "policyAssignment",
    "properties": {
        "description": "Apply tag and its default value to resource groups",
        "policyDefinitionId": "/providers/Microsoft.Authorization/policyDefinitions/49c88fc8-6fd1-46fd-a676-f12d1d3a4c71",
        "parameters": {
            "tagName": {
                "value": "[parameters('tagName')]"
            },
            "tagValue": {
                "value": "[parameters('tagValue')]"
            }
        }
    }
}

  4. Add another policy assignment for the storage tag (by reusing storageAccountType_ parameter) at the subscription. This additional policy assignment artifact demonstrates that a parameter defined on the blueprint is usable by more than one artifact. In the example, you use the storageAccountType to set a tag on the resource group. This value provides information about the storage account that you create in the next step. This example uses the Apply tag and its default value to resource groups built-in policy, with a GUID of 49c88fc8-6fd1-46fd-a676-f12d1d3a4c71.

    • REST API URI

      PUT https://management.azure.com/providers/Microsoft.Management/managementGroups/{YourMG}/providers/Microsoft.Blueprint/blueprints/MyBlueprint/artifacts/policyStorageTags?api-version=2018-11-01-preview

    • Request Body

      {
    "kind": "policyAssignment",
    "properties": {
        "description": "Apply storage tag and the parameter also used by the template to resource groups",
        "policyDefinitionId": "/providers/Microsoft.Authorization/policyDefinitions/49c88fc8-6fd1-46fd-a676-f12d1d3a4c71",
        "parameters": {
            "tagName": {
                "value": "StorageType"
            },
            "tagValue": {
                "value": "[parameters('storageAccountType')]"
            }
        }
    }
}

  5. Add a template under the resource group. The Request Body for an ARM template includes the normal JSON component of the template, and defines the target resource group with properties.resourceGroup. The template also reuses the storageAccountType, tagName, and tagValue blueprint parameters by passing each to the template. The blueprint parameters are available to the template by defining properties.parameters, and inside the template JSON that key-value pair is used to inject the value. The blueprint and template parameter names can be the same, but are different here to illustrate how each passes from the blueprint to the template artifact.

    • REST API URI

      PUT https://management.azure.com/providers/Microsoft.Management/managementGroups/{YourMG}/providers/Microsoft.Blueprint/blueprints/MyBlueprint/artifacts/templateStorage?api-version=2018-11-01-preview

    • Request Body

      {
    "kind": "template",
    "properties": {
        "template": {
            "$schema": "https://schema.management.azure.com/schemas/2015-01-01/deploymentTemplate.json#",
            "contentVersion": "1.0.0.0",
            "parameters": {
                "storageAccountTypeFromBP": {
                    "type": "string",
                    "defaultValue": "Standard_LRS",
                    "allowedValues": [
                        "Standard_LRS",
                        "Standard_GRS",
                        "Standard_ZRS",
                        "Premium_LRS"
                    ],
                    "metadata": {
                        "description": "Storage Account type"
                    }
                },
                "tagNameFromBP": {
                    "type": "string",
                    "defaultValue": "NotSet",
                    "metadata": {
                        "description": "Tag name from blueprint"
                    }
                },
                "tagValueFromBP": {
                    "type": "string",
                    "defaultValue": "NotSet",
                    "metadata": {
                        "description": "Tag value from blueprint"
                    }
                }
            },
            "variables": {
                "storageAccountName": "[concat(uniquestring(resourceGroup().id), 'standardsa')]"
            },
            "resources": [{
                "type": "Microsoft.Storage/storageAccounts",
                "name": "[variables('storageAccountName')]",
                "apiVersion": "2016-01-01",
                "tags": {
                   "[parameters('tagNameFromBP')]": "[parameters('tagValueFromBP')]"
                },
                "location": "[resourceGroups('storageRG').location]",
                "sku": {
                    "name": "[parameters('storageAccountTypeFromBP')]"
                },
                "kind": "Storage",
                "properties": {}
            }],
            "outputs": {
                "storageAccountSku": {
                    "type": "string",
                    "value": "[variables('storageAccountName')]"
                }
            }
        },
        "resourceGroup": "storageRG",
        "parameters": {
            "storageAccountTypeFromBP": {
                "value": "[parameters('storageAccountType')]"
            },
            "tagNameFromBP": {
                "value": "[parameters('tagName')]"
            },
            "tagValueFromBP": {
                "value": "[parameters('tagValue')]"
            }
        }
    }
}

  6. Add a role assignment under the resource group. Similar to the previous role assignment entry, the following example uses the definition identifier for the Owner role, and provides it a different parameter from the blueprint. This example uses the Owner built-in role, with a GUID of 8e3af657-a8ff-443c-a75c-2fe8c4bcb635.

    • REST API URI

      PUT https://management.azure.com/providers/Microsoft.Management/managementGroups/{YourMG}/providers/Microsoft.Blueprint/blueprints/MyBlueprint/artifacts/roleOwner?api-version=2018-11-01-preview

    • Request Body

      {
    "kind": "roleAssignment",
    "properties": {
        "resourceGroup": "storageRG",
        "roleDefinitionId": "/providers/Microsoft.Authorization/roleDefinitions/8e3af657-a8ff-443c-a75c-2fe8c4bcb635",
        "principalIds": "[parameters('owners')]"
    }
}

Publish a blueprint

Now that you've added the artifacts to the blueprint, it's time to publish it. Publishing makes the blueprint available to assign to a subscription.

  • REST API URI

    PUT https://management.azure.com/providers/Microsoft.Management/managementGroups/{YourMG}/providers/Microsoft.Blueprint/blueprints/MyBlueprint/versions/{BlueprintVersion}?api-version=2018-11-01-preview

The value for {BlueprintVersion} is a string of letters, numbers, and hyphens (with no spaces or other special characters). The maximum length is 20 characters. Use something unique and informational, such as v20180622-135541.

Assign a blueprint

After you've published a blueprint by using REST API, it's assignable to a subscription. Assign the blueprint that you created to one of the subscriptions under your management group hierarchy. If the blueprint is saved to a subscription, it can only be assigned to that subscription. The Request Body specifies the blueprint to assign, and provides the name and location to any resource groups in the blueprint definition. Request Body also provides all parameters defined on the blueprint and used by one or more attached artifacts.

In each REST API URI, replace the following variables with your own values:

  • {tenantId} - Replace with your tenant ID.
  • {YourMG} - Replace with the ID of your management group.
  • {subscriptionId} - Replace with your subscription ID.

  1. Provide the Azure Blueprints service principal the Owner role on the target subscription. The AppId is static (f71766dc-90d9-4b7d-bd9d-4499c4331c3f), but the service principal ID varies by tenant. Use the following REST API to request details for your tenant. It uses Azure Active Directory Graph API, which has different authorization.

    • REST API URI

      GET https://graph.windows.net/{tenantId}/servicePrincipals?api-version=1.6&$filter=appId eq 'f71766dc-90d9-4b7d-bd9d-4499c4331c3f'

  2. Run the blueprint deployment by assigning it to a subscription. Because the contributors and owners parameters require an array of objectIds of the principals to be granted the role assignment, use Azure Active Directory Graph API for gathering the objectIds for use in the Request Body for your own users, groups, or service principals.

    • REST API URI

      PUT https://management.azure.com/subscriptions/{subscriptionId}/providers/Microsoft.Blueprint/blueprintAssignments/assignMyBlueprint?api-version=2018-11-01-preview

    • Request Body

      {
    "properties": {
        "blueprintId": "/providers/Microsoft.Management/managementGroups/{YourMG}/providers/Microsoft.Blueprint/blueprints/MyBlueprint",
        "resourceGroups": {
            "storageRG": {
                "name": "StorageAccount",
                "location": "eastus2"
            }
        },
        "parameters": {
            "storageAccountType": {
                "value": "Standard_GRS"
            },
            "tagName": {
                "value": "CostCenter"
            },
            "tagValue": {
                "value": "ContosoIT"
            },
            "contributors": {
                "value": [
                    "7be2f100-3af5-4c15-bcb7-27ee43784a1f",
                    "38833b56-194d-420b-90ce-cff578296714"
                ]
            },
            "owners": {
                "value": [
                    "44254d2b-a0c7-405f-959c-f829ee31c2e7",
                    "316deb5f-7187-4512-9dd4-21e7798b0ef9"
                ]
            }
        }
    },
    "identity": {
        "type": "systemAssigned"
    },
    "location": "westus"
}

    • User-assigned managed identity

      A blueprint assignment can also use a user-assigned managed identity. In this case, the identity portion of the request body changes as follows. Replace {yourRG} and {userIdentity} with your resource group name and the name of your user-assigned managed identity, respectively.

      "identity": {
    "type": "userAssigned",
    "tenantId": "{tenantId}",
    "userAssignedIdentities": {
        "/subscriptions/{subscriptionId}/resourceGroups/{yourRG}/providers/Microsoft.ManagedIdentity/userAssignedIdentities/{userIdentity}": {}
    }
},

      The user-assigned managed identity can be in any subscription and resource group to which the user assigning the blueprint has permissions.

      Important

      Azure Blueprints doesn't manage the user-assigned managed identity. Users are responsible for assigning sufficient roles and permissions, or the blueprint assignment will fail.

Clean up resources

Unassign a blueprint

You can remove a blueprint from a subscription. Removal is often done when the artifact resources are no longer needed. When a blueprint is removed, the artifacts assigned as part of that blueprint are left behind. To remove a blueprint assignment, use the following REST API operation:

  • REST API URI

    DELETE https://management.azure.com/subscriptions/{subscriptionId}/providers/Microsoft.Blueprint/blueprintAssignments/assignMyBlueprint?api-version=2018-11-01-preview

Delete a blueprint

To remove the blueprint itself, use the following REST API operation:

  • REST API URI

    DELETE https://management.azure.com/providers/Microsoft.Management/managementGroups/{YourMG}/providers/Microsoft.Blueprint/blueprints/MyBlueprint?api-version=2018-11-01-preview

Next steps

In this quickstart, you created, assigned, and removed a blueprint with REST API. To learn more about Azure Blueprints, continue to the blueprint lifecycle article.

Learn about the blueprint lifecycle