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Adding guidance for function app (microsoft#116)
* adding guidance for function app
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‎quickstart/201-function-app/.terraform-docs.yml‎

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formatter: "markdown table"
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content: |-
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{{ .Resources }}
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{{ .Inputs }}
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{{ .Providers }}
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{{ .Requirements }}
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output:
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file: readme.html.markdown
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mode: inject

‎quickstart/201-function-app/.tflint.hcl‎

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/*
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THIS FILE IS GENERATED BY TFMOD-SCAFFOLD, PLEASE DO NOT MODIFY IT.
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IF YOU WANT TO USE A CUSTOMIZED CONFIGURATION, PLEASE CREATE YOUR OWN AND
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SET THIS FILE'S PATH TO $TFLINT_CONFIG ENVVIRONMENT VARIABLE.
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*/
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plugin "azurerm" {
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enabled = true
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version = "0.18.0"
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source = "github.com/terraform-linters/tflint-ruleset-azurerm"
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}
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rule "terraform_comment_syntax" {
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enabled = true
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}
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rule "terraform_deprecated_index" {
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enabled = true
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}
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rule "terraform_deprecated_interpolation" {
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enabled = true
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}
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rule "terraform_documented_outputs" {
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enabled = true
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}
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rule "terraform_documented_variables" {
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enabled = true
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}
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rule "terraform_module_pinned_source" {
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enabled = true
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}
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rule "terraform_module_version" {
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enabled = true
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}
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rule "terraform_naming_convention" {
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enabled = true
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}
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rule "terraform_required_providers" {
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enabled = true
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}
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rule "terraform_required_version" {
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enabled = true
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}
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rule "terraform_standard_module_structure" {
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enabled = false
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}
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rule "terraform_typed_variables" {
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enabled = true
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}
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rule "terraform_unused_declarations" {
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enabled = true
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}
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rule "terraform_unused_required_providers" {
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enabled = true
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}
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rule "terraform_workspace_remote" {
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enabled = true
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}

‎quickstart/201-function-app/main.tf‎

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resource "azurerm_resource_group" "default" {
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name = "${var.name_prefix}-rg"
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location = var.location
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}
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resource "azurerm_storage_account" "default" {
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name = "${var.name_prefix}sa"
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resource_group_name = azurerm_resource_group.default.name
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location = azurerm_resource_group.default.location
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account_tier = "Standard"
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account_replication_type = "LRS"
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min_tls_version = "TLS1_2"
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}
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resource "azurerm_service_plan" "default" {
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name = "${var.name_prefix}-sap"
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location = azurerm_resource_group.default.location
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resource_group_name = azurerm_resource_group.default.name
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sku_name = "Y1"
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os_type = "Linux"
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}
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# please note:
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# You may see custom (~4) is set to the app's runtime version, along with a warning says “Your app is pinned to an unsupported runtime version for ‘dotnet’. For better performance, we recommend using one of our supported versions instead: xxx.”. This is because azure function v4 runtime requires .NET6.0 but the default value is 4.0. You need to set the .netframeworkversion to v6.0 to support azure funtion v4.
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# If you would like to set the function runtime version, please use functions_extension_version property, terraform will set the FUNCTIONS_EXTENSION_VERSION in app_setting block, you don't need to specify the key in app_setting block.
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# If you would like to set the required number of failed requests for an instance to be deemed unhealthy and removed from the load balancer under health check feature, using health_check_eviction_time_in_min property under site_config block. Terraform will set the key WEBSITE_HEALTHCHECK_MAXPINGFAILURES
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# in app_setting for you.
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resource "azurerm_linux_function_app" "test" {
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name = "${var.name_prefix}-lfa"
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location = azurerm_resource_group.default.location
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resource_group_name = azurerm_resource_group.default.name
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service_plan_id = azurerm_service_plan.default.id
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storage_account_name = azurerm_storage_account.default.name
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storage_account_access_key = azurerm_storage_account.default.primary_access_key
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https_only = true
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builtin_logging_enabled = false
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functions_extension_version = "~4"
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site_config {
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application_stack {
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dotnet_version = "6.0"
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}
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}
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}
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‎quickstart/201-function-app/providers.tf‎

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terraform {
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required_version = ">=1.0"
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required_providers {
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azurerm = {
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source = "hashicorp/azurerm"
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version = "~>3.8"
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}
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}
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}
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provider "azurerm" {
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features {}
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}

‎quickstart/201-function-app/readme.html.markdown‎

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# Azure Windows/ Linux Function App.
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This template deploys an Azure Function App.
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<!-- Run the following commands on your Windows machine to update document -->
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<!-- docker run --rm -v ${pwd}:/src -w /src mcr.microsoft.com/azterraform:latest terraform-docs markdown table --output-file readme.html.markdown --output-mode inject ./ -->
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<!-- docker run --rm -v ${pwd}:/src -w /src mcr.microsoft.com/azterraform:latest markdown-table-formatter readme.html.markdown -->
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<!-- Run the following command to lint Terraform code with tflint -->
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<!-- docker run --rm -v ${pwd}:/src -w /src mcr.microsoft.com/azterraform:latest tflint --config=.tflint.hcl -->
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<!-- Run the following command to lint Terraform code with Checkov -->
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<!-- docker run --rm -v ${pwd}:/src -w /src mcr.microsoft.com/azterraform:latest checkov --skip-framework dockerfile --quiet -d ./ -->
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<!-- -->
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<!-- BEGIN_TF_DOCS -->
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## Resources
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| Name | Type |
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|---------------------------------------------------------------------------------------------------------------------------------------|----------|
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| [azurerm_linux_function_app.test](https://registry.terraform.io/providers/hashicorp/azurerm/latest/docs/resources/linux_function_app) | resource |
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| [azurerm_resource_group.default](https://registry.terraform.io/providers/hashicorp/azurerm/latest/docs/resources/resource_group) | resource |
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| [azurerm_service_plan.default](https://registry.terraform.io/providers/hashicorp/azurerm/latest/docs/resources/service_plan) | resource |
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| [azurerm_storage_account.default](https://registry.terraform.io/providers/hashicorp/azurerm/latest/docs/resources/storage_account) | resource |
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## Inputs
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| Name | Description | Type | Default | Required |
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|-----------------------------------------------------------------------|---------------------------------------|----------|---------------|:--------:|
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| <a name="input_location"></a> [location](#input\_location) | Location to deploy the resource group | `string` | `"West US 2"` | no |
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| <a name="input_name_prefix"></a> [name\_prefix](#input\_name\_prefix) | Prefix of the resource name | `string` | n/a | yes |
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## Providers
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| Name | Version |
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|---------------------------------------------------------------|---------|
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| <a name="provider_azurerm"></a> [azurerm](#provider\_azurerm) | ~>3.8 |
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## Requirements
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| Name | Version |
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|---------------------------------------------------------------------------|---------|
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| <a name="requirement_terraform"></a> [terraform](#requirement\_terraform) | >=1.0 |
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| <a name="requirement_azurerm"></a> [azurerm](#requirement\_azurerm) | ~>3.8 |
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<!-- END_TF_DOCS -->
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## Example
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To see how to run this example, see [Create an Azure Function App using Terraform](https://docs.microsoft.com/azure/developer/terraform/create-azure-function-app).

‎quickstart/201-function-app/variables.tf‎

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variable "name_prefix" {
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type = string
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description = "Prefix of the resource name"
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}
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variable "location" {
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type = string
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description = "Location to deploy the resource group"
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default = "West US 2"
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}

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