terraform-azure-function-app

This Terraform configuration deploys Azure Function Apps, including both Linux and Windows-based Function Apps . It also provisions additional resources such as a Resource Group , Azure App Service Plan, Application Insights, Storage Container.

The following resources will be created:

• Resource Group
• Azure App Service Plan
• Azure Linux-based Function Apps
• Azure Windows-based Function Apps

Requirements

Before you begin, ensure you have the following requirements met:

1. Install Terraform (>= 1.3.0). You can download the latest version of Terraform from the official website: https://www.terraform.io/downloads.html

2. Azure CLI installed and configured with appropriate access rights. You can install the Azure CLI from https://docs.microsoft.com/en-us/cli/azure/install-azure-cli

Providers

Name	Version
azurerm	>=3.0

Resources

This Terraform configuration provisions the following Azure resources:

Name	Description	Type
azurerm_service_plan	Azure App Service Plan	azurerm
azurerm_linux_function_app	Linux-based Azure Function Apps - A serverless compute service that enables you to run code on-demand without having to explicitly provision or manage infrastructure.	azurerm
azurerm_windows_function_app	Windows-based Azure Function Apps - A serverless compute service that enables you to run code on-demand without having to explicitly provision or manage infrastructure.	azurerm

Inputs

Basic Configuration

Name	Description	Type	Default	Required
resource_group_name	Name of the Azure Resource Group where the resources will be created.	string	"function-app-rg"	yes
location	The Azure region where the resources will be deployed. E.g., 'East US', 'West Europe', etc.	string	"Central India"	yes
create_resource_group	Whether to create a new Resource Group.	bool	false	no
create_storage_account	Whether to create a new Storage Account.	bool	false	no
storage_name	Storage account name to use if not don't have an existing storage account.	string	null	yes
storage_account_access_key	Storage account access key to use if not don't have an existing storage account.	string	null	yes

Tags Configuration

Name	Description	Type	Default	Required
project_name_prefix	Used in tags cluster and nodes.	string	"dev"	no
default_tags	A map to add common tags to all the resources.	map(string)	{"Scope" : "database", "CreatedBy" : "Terraform"}	no
common_tags	A map to add common tags to all the resources.	map(string)	{"Project": "Azure_database", "Managed-By": "TTN"}	no

Storage Account Configuration

Name	Description	Type	Default	Required
storage_account_name	Storage account name if have an existing storage account.	string	"terraformteststacc01"	no
storage_account_resource_group_name	Storage account resource group name if have an existing storage account.	string	"function-app-rg"	no

App Service Plan Configuration

Name	Description	Type	Default	Required
resource_group_name	The name of the Azure Resource Group where the resources will be created	string	"function-app-rg"	yes
location	The Azure region where the resources will be deployed	string	"Central India"	yes
service_plan_name	Name of the Azure App Service Plan.	string	"app-service-plan"	yes
os_type	Operating system type for the App Service Plan.	string	"Windows"	yes
sku_name	SKU name for the App Service Plan.	string	"Y1"	yes

Function Apps Configuration

Variable Name	Description	Type	Default Value
resource_group_name	The name of the Azure Resource Group where the resources will be created	string	"function-app-rg"
location	The Azure region where the resources will be deployed	string	"Central India"
storage_account_name	Storage account name if you have an existing storage account	string	"terraformteststacc01"
storage_account_resource_group_name	Storage account resource group name if you have an existing storage account	string	"function-app-rg"
storage_name	Storage account name to use if you don't have an existing storage account	string	null
storage_account_access_key	Storage account access key to use if you don't have an existing storage account	string	null
service_plan_name	Name of the Azure App Service Plan	string	"app-service-plan"
os_type	Operating system type for the App Service Plan	string	"Windows"
sku_name	SKU name for the App Service Plan	string	"Y1"
function_apps	Configuration for Azure Function Apps	map(object)	See below
identity_type	Add an Identity (MSI) to the function app. Possible values are SystemAssigned or UserAssigned	string	"SystemAssigned"
identity_ids	User Assigned Identities IDs to add to Function App. Mandatory if type is UserAssigned	list(string)	null

Function App Specific Configuration

Name	Description	Type	Default	Required
always_on	Enable Always On for the Function App	bool	null	No
api_definition_url	The URL for the API definition	string	null	No
api_management_api_id	The API Management API ID	string	null	No
app_command_line	The command line for the application	string	null	No
app_scale_limit	The scale limit for the application	number	null	No
default_documents	List of default documents	list(string)	null	No
ftps_state	State of FTPS (FTP over SSL)	string	"Disabled"	No
health_check_path	The path for health checks	string	null	No
health_check_eviction_time_in_min	The eviction time for health checks (in minutes)	number	null	No
http2_enabled	Enable HTTP/2	bool	null	No
load_balancing_mode	The load balancing mode	string	null	No
managed_pipeline_mode	The managed pipeline mode	string	null	No
minimum_tls_version	The minimum TLS version	string	"1.2"	No
remote_debugging_enabled	Enable remote debugging	bool	false	No
remote_debugging_version	The version of remote debugging	string	null	No
runtime_scale_monitoring_enabled	Enable runtime scale monitoring	bool	null	No
use_32_bit_worker	Use 32-bit worker process	bool	null	No
websockets_enabled	Enable WebSockets	bool	false	No
application_insights_connection_string	Connection string for Application Insights	string	null	No
application_insights_key	Key for Application Insights	string	null	No
application_stack	Stack configuration for the application	map(object({...}))	null	No
cors	CORS configuration for the application	map(object({...}))	null	No
app_service_logs	Log configuration for the application	map(object({...}))	null	No
ip_restriction	ip restriction for application	map(object({...}))	null	No

This is an overview of the input variables and default values for the Terraform resource that deploys an Azure Function App. For more customization, please refer to the Terraform documentation.

https://registry.terraform.io/providers/hashicorp/azurerm/latest/docs/resources/function_app

Outputs

Name	Description	Type
linux_web_app_default_site_hostname	The Default Hostname associated with the Linux Web App.	string
windows_web_app_default_site_hostname	The Default Hostname associated with the Windows Web App.	string

Authors

Module managed by TO THE NEW Pvt. Ltd.

License

Apache 2 Licensed. See LICENSE for full details.