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View definition artifact in Azure Managed Applications

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View definition is an optional artifact in Azure Managed Applications. It allows you to customize the overview page and add more views such as Metrics and Custom resources.

This article provides an overview of view definition artifact and its capabilities.

View definition artifact

The view definition artifact must be named viewDefinition.json and placed at the same level as createUiDefinition.json and mainTemplate.json in the .zip package that creates a managed application definition. To learn how to create the .zip package and publish a managed application definition, see Quickstart: Create and publish an Azure Managed Application definition

View definition schema

The viewDefinition.json file has only one top level views property, which is an array of views. Each view is shown in the managed application user interface as a separate menu item in the table of contents. Each view has a kind property that sets the type of the view. It must be set to one of the following values: Overview, Metrics, CustomResources, Associations. For more information, see current JSON schema for viewDefinition.json.

Sample JSON for view definition:

{
  "$schema": "https://schema.management.azure.com/schemas/viewdefinition/0.0.1-preview/ViewDefinition.json#",
  "contentVersion": "0.0.0.1",
  "views": [
    {
      "kind": "Overview",
      "properties": {
        "header": "Welcome to your Azure Managed Application",
        "description": "This managed application is for demo purposes only.",
        "commands": [
          {
            "displayName": "Test Action",
            "path": "testAction"
          }
        ]
      }
    },
    {
      "kind": "Metrics",
      "properties": {
        "displayName": "This is my metrics view",
        "version": "1.0.0",
        "charts": [
          {
            "displayName": "Sample chart",
            "chartType": "Bar",
            "metrics": [
              {
                "name": "Availability",
                "aggregationType": "avg",
                "resourceTagFilter": [
                  "tag1"
                ],
                "resourceType": "Microsoft.Storage/storageAccounts",
                "namespace": "Microsoft.Storage/storageAccounts"
              }
            ]
          }
        ]
      }
    },
    {
      "kind": "CustomResources",
      "properties": {
        "displayName": "Test custom resource type",
        "version": "1.0.0",
        "resourceType": "testCustomResource",
        "createUIDefinition": {},
        "commands": [
          {
            "displayName": "Custom Context Action",
            "path": "testCustomResource/testContextAction",
            "icon": "Stop",
            "createUIDefinition": {}
          }
        ],
        "columns": [
          {
            "key": "name",
            "displayName": "Name"
          },
          {
            "key": "properties.myProperty1",
            "displayName": "Property 1"
          },
          {
            "key": "properties.myProperty2",
            "displayName": "Property 2",
            "optional": true
          }
        ]
      }
    },
    {
      "kind": "Associations",
      "properties": {
        "displayName": "Test association resource type",
        "version": "1.0.0",
        "targetResourceType": "Microsoft.Compute/virtualMachines",
        "createUIDefinition": {}
      }
    }
  ]
}

Overview

"kind": "Overview"

When you provide this view in viewDefinition.json, it overrides the default Overview page in your managed application.

{
  "kind": "Overview",
  "properties": {
    "header": "Welcome to your Azure Managed Application",
    "description": "This managed application is for demo purposes only.",
    "commands": [
      {
        "displayName": "Test Action",
        "path": "testAction"
      }
    ]
  }
}
Property Required Description
header No The header of the overview page.
description No The description of your managed application.
commands No The array of more toolbar buttons of the overview page, see commands.

Screenshot shows the Overview for a managed application with a Test Action control to run a demo application.

Metrics

"kind": "Metrics"

The metrics view enables you to collect and aggregate data from your managed application resources in Azure Monitor Metrics.

{
  "kind": "Metrics",
  "properties": {
    "displayName": "This is my metrics view",
    "version": "1.0.0",
    "charts": [
      {
        "displayName": "Sample chart",
        "chartType": "Bar",
        "metrics": [
          {
            "name": "Availability",
            "aggregationType": "avg",
            "resourceTagFilter": [
              "tag1"
            ],
            "resourceType": "Microsoft.Storage/storageAccounts",
            "namespace": "Microsoft.Storage/storageAccounts"
          }
        ]
      }
    ]
  }
}
Property Required Description
displayName No The displayed title of the view.
version No The version of the platform used to render the view.
charts Yes The array of charts of the metrics page.

Chart

Property Required Description
displayName Yes The displayed title of the chart.
chartType No The visualization to use for this chart. By default, it uses a line chart. Supported chart types: Bar, Line, Area, Scatter.
metrics Yes The array of metrics to plot on this chart. To learn more about metrics supported in Azure portal, see Supported metrics with Azure Monitor.

Metric

Property Required Description
name Yes The name of the metric.
aggregationType Yes The aggregation type to use for this metric. Supported aggregation types: none, sum, min, max, avg, unique, percentile, count
namespace No More information to use when determining the correct metrics provider.
resourceTagFilter No The resource tags array is separated with an or word for which metrics would be displayed. Applies on top of resource type filter.
resourceType Yes The resource type for which metrics would be displayed.

Screenshot shows a Monitoring page called This is my metrics view for a managed application.

Custom resources

"kind": "CustomResources"

You can define multiple views of this type. Each view represents a unique custom resource type from the custom provider you defined in mainTemplate.json. For an introduction to custom providers, see Azure Custom Providers Preview overview.

In this view you can perform GET, PUT, DELETE, and POST operations for your custom resource type. POST operations could be global custom actions or custom actions in a context of your custom resource type.

{
  "kind": "CustomResources",
  "properties": {
    "displayName": "Test custom resource type",
    "version": "1.0.0",
    "resourceType": "testCustomResource",
    "icon": "Polychromatic.ResourceList",
    "createUIDefinition": {},
    "commands": [
      {
        "displayName": "Custom Context Action",
        "path": "testCustomResource/testContextAction",
        "icon": "Stop",
        "createUIDefinition": {},
      }
    ],
    "columns": [
      {
        "key": "name",
        "displayName": "Name"
      },
      {
        "key": "properties.myProperty1",
        "displayName": "Property 1"
      },
      {
        "key": "properties.myProperty2",
        "displayName": "Property 2",
        "optional": true
      }
    ]
  }
}
Property Required Description
displayName Yes The displayed title of the view. The title should be unique for each CustomResources view in your viewDefinition.json.
version No The version of the platform used to render the view.
resourceType Yes The custom resource type. Must be a unique custom resource type of your custom provider.
icon No The icon of the view. List of example icons is defined in JSON Schema.
createUIDefinition No Create UI Definition schema for create custom resource command. For an introduction to creating UI definitions, see Getting started with CreateUiDefinition.
commands No The array of more toolbar buttons of the CustomResources view, see commands.
columns No The array of columns of the custom resource. If not defined the name column is shown by default. The column must have "key" and "displayName". For key, provide the key of the property to display in a view. If nested, use dot as delimiter, for example, "key": "name" or "key": "properties.property1". For display name, provide the display name of the property to display in a view. You can also provide an "optional" property. When set to true, the column is hidden in a view by default.

Screenshot shows a Resources page called Test custom resource type and the control Custom Context Action.

Commands

The commands property is an array of more toolbar buttons that are displayed on page. Each command represents a POST action from your Azure Custom Provider defined in mainTemplate.json. For an introduction to custom providers, see Azure Custom Providers overview.

{
  "commands": [
    {
      "displayName": "Start Test Action",
      "path": "testAction",
      "icon": "Start",
      "createUIDefinition": {}
    },
  ]
}
Property Required Description
displayName Yes The displayed name of the command button.
path Yes Must be a custom provider action name. The action must be defined in mainTemplate.json.

Doesn't accept dynamic values like a URI that's output from mainTemplate.json.
icon No The icon of the command button. List of example icons is defined in JSON Schema.
createUIDefinition No Create UI Definition schema for command. For an introduction to creating UI definitions, see Getting started with CreateUiDefinition.

Associations

"kind": "Associations"

You can define multiple views of this type. This view allows you to link existing resources to the managed application through the custom provider you defined in mainTemplate.json. For an introduction to custom providers, see Azure Custom Providers Preview overview.

In this view, you can extend existing Azure resources based on the targetResourceType. When a resource is selected, it creates an onboarding request to the public custom provider, which can apply a side effect to the resource.

{
  "kind": "Associations",
  "properties": {
    "displayName": "Test association resource type",
    "version": "1.0.0",
    "targetResourceType": "Microsoft.Compute/virtualMachines",
    "createUIDefinition": {}
  }
}
Property Required Description
displayName Yes The displayed title of the view. The title should be unique for each Associations view in your viewDefinition.json.
version No The version of the platform used to render the view.
targetResourceType Yes The target resource type. This resource type is displayed for resource onboarding.
createUIDefinition No Create UI Definition schema for create association resource command. For an introduction to creating UI definitions, see Getting started with CreateUiDefinition.

Looking for help

If you have questions or need an answer about Azure Managed Applications, try asking on Stack Overflow. Use the tag azure-managed-app when you post a question.

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