Terraform-provider-azurerm: AppService: Setting Virtual applications and directories

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Description

_This issue was originally opened by @kalyanrajsista as hashicorp/terraform#18295. It was migrated here as a result of the provider split. The original body of the issue is below._

---

Hi there,

Can I set virtual applications and directories from app_service resource using terraform?

[kevinneufeld]

If possible, it would be great to add on both resources:

• azurerm_app_service
• azurerm_app_service_slot

We are using the following:

resource "azurerm_template_deployment" "virtual_directory" {
  name                = "virtual_directory"
  resource_group_name = "${azurerm_resource_group.test.name}"
  deployment_mode     = "Incremental"

  template_body = <<DEPLOY
{
  "$schema": "https://schema.management.azure.com/schemas/2015-01-01/deploymentTemplate.json#",
  "contentVersion": "1.0.0.0",
  "parameters": {
        "webAppName": {
            "type": "String"
        },
       "webAppSlotName": {
            "type": "String"
        },
        "virtualApplications":{
        "type": "array",
        "defaultValue":[
            {
            "virtualPath": "/",
            "physicalPath": "site\\wwwroot",
            "preloadEnabled": false,
            "virtualDirectories": null
            },
            {
            "virtualPath": "/api",
            "physicalPath": "site\\wwwroot\\api",
            "preloadEnabled": false,
            "virtualDirectories": null
            },
            {
            "virtualPath": "/admin",
            "physicalPath": "site\\wwwroot\\admin",
            "preloadEnabled": false,
            "virtualDirectories": null
            }
        ]
        }
  },
  "variables": {},
  "resources": [
      {
          "type": "Microsoft.Web/sites/config",
          "name": "[concat(parameters('webAppName'), '/web')]",
          "apiVersion": "2016-08-01",
          "properties": {
              "virtualApplications": "[parameters('virtualApplications')]"
          },
          "dependsOn": []
      },
      {
          "type": "Microsoft.Web/sites/slots/config",
          "name": "[concat(parameters('webAppName'),'/', parameters('webAppSlotName'),'/web')]",
          "apiVersion": "2016-08-01",
          "properties": {
              "virtualApplications": "[parameters('virtualApplications')]"
          },
          "dependsOn": []
      }

  ]
}
DEPLOY

  parameters {
    "webAppName"          = "${azurerm_app_service.test.name}"
    "webAppSlotName"      = "${azurerm_app_service_slot.msbx_spa.name}"

    # We use the a baked default value; I have not tried the below jsonencode; mostly because it is not easy to read.
    # "virtualApplications" = "${jsonencode(list(map("virtualPath","/","physicalPath","site\\wwwroot","preloadEnabled","false","virtualDirectories","null"),map("virtualPath","/api","physicalPath","site\\wwwroot\\api","preloadEnabled","false","virtualDirectories","null"),map("virtualPath","/admin","physicalPath","site\\wwwroot\\admin","preloadEnabled","false","virtualDirectories","null")))}"
  }

  depends_on = [
    "azurerm_app_service.test",
    "azurerm_app_service_slot.test"
  ]
}

Not ideal, but it works.

[VipinAgarwal]

I would like to have the same functionality for my App service slot. Please let us know if this is in the road map?

[Place1]

I've also run into this issue while researching if terraform will support this App Service use-case. I think this limitation will require me to use a different tool.

[cd83]

Is this being worked on?

[cd83]

Is this being worked on?

[AntonChernysh]

Is this being worked on?

[kinwolfqc]

any update on this? We are facing the same problem of not being able to set virtual app after creating it with terraform

[nicholasp]

is there any alternative to keep IaaC for other configs that not supported by terraform?

[IanMoroney]

For anyone coming back to this in terraform 0.13, I can confirm this code works until the provider supports the creation of virtual applications:

resource "azurerm_template_deployment" "virtual_directory" {
  name                = "virtual_directory"
  resource_group_name = var.resource_group_name
  deployment_mode     = "Incremental"

  template_body = <<DEPLOY
{
  "$schema": "https://schema.management.azure.com/schemas/2015-01-01/deploymentTemplate.json#",
  "contentVersion": "1.0.0.0",
  "parameters": {
        "webAppName": {
            "type": "String"
        },
       "webAppSlotName": {
            "type": "String"
        },
        "virtualApplications":{
        "type": "array",
        "defaultValue":[
            {
            "virtualPath": "/",
            "physicalPath": "site\\wwwroot"
            },
            {
            "virtualPath": "/api",
            "physicalPath": "site\\wwwroot\\api"
            }
        ]
        }
  },
  "variables": {},
  "resources": [
      {
          "type": "Microsoft.Web/sites/config",
          "name": "[concat(parameters('webAppName'), '/web')]",
          "apiVersion": "2016-08-01",
          "properties": {
              "virtualApplications": "[parameters('virtualApplications')]"
          },
          "dependsOn": []
      },
      {
          "type": "Microsoft.Web/sites/slots/config",
          "name": "[concat(parameters('webAppName'),'/', parameters('webAppSlotName'),'/web')]",
          "apiVersion": "2016-08-01",
          "properties": {
              "virtualApplications": "[parameters('virtualApplications')]"
          },
          "dependsOn": []
      }

  ]
}
DEPLOY

  parameters = {
    webAppName          = azurerm_app_service.web_app.name
    webAppSlotName      = azurerm_app_service_slot.web_app_slot.name
  }

  depends_on = [
    azurerm_app_service.web_app,
    azurerm_app_service_slot.web_app_slot
  ]
}