feat: add sticky settings variables

main.tf

@@ -38,6 +38,11 @@ resource "azurerm_linux_function_app" "this" {
 
   virtual_network_subnet_id = var.virtual_network_subnet_id
 
+  sticky_settings {
+    app_setting_names       = var.sticky_settings_connection_string_names
+    connection_string_names = var.sticky_settings_connection_string_names
+  }
+
   site_config {
     # Ref: https://learn.microsoft.com/en-us/azure/azure-monitor/app/migrate-from-instrumentation-keys-to-connection-strings
     application_insights_key               = null
@@ -165,6 +170,11 @@ resource "azurerm_windows_function_app" "this" {
 
   virtual_network_subnet_id = var.virtual_network_subnet_id
 
+  sticky_settings {
+    app_setting_names       = var.sticky_settings_connection_string_names
+    connection_string_names = var.sticky_settings_connection_string_names
+  }
+
   site_config {
     # Ref: https://learn.microsoft.com/en-us/azure/azure-monitor/app/migrate-from-instrumentation-keys-to-connection-strings
     application_insights_key               = null

variables.tf

@@ -45,6 +45,18 @@ variable "app_settings" {
   }
 }
 
+variable "sticky_settings_app_setting_names" {
+  description = "A list of names of app settings that this Function App will not swap between slots when a swap operation is triggered."
+  type        = list(string)
+  default     = [""]
+}
+
+variable "sticky_settings_connection_string_names" {
+  description = "A list of names of connection strings that this Function App will not swap between slots when a swap operation is triggered."
+  type        = list(string)
+  default     = [""]
+}
+
 variable "functions_extension_version" {
   description = "Which extension version to use for this Function App."
   type        = string