Add function app healthcheck vars

Adds health_check_path and health_check_eviction_time_in_min vars to
function app site config map. No defaults added.

infrastructure/modules/function-app/main.tf

@@ -31,6 +31,8 @@ resource "azurerm_linux_function_app" "function_app" {
     container_registry_use_managed_identity       = var.cont_registry_use_mi
     container_registry_managed_identity_client_id = var.acr_mi_client_id
     ftps_state                                    = var.ftps_state
+    health_check_path                             = var.health_check_path
+    health_check_eviction_time_in_min             = var.health_check_eviction_time_in_min
 
     minimum_tls_version = var.minimum_tls_version
 

infrastructure/modules/function-app/variables.tf

@@ -72,6 +72,16 @@ variable "function_app_slots" {
   default = []
 }
 
+variable "health_check_path" {
+  type        = string
+  description = "The path to be checked for this function app health."
+}
+
+variable "health_check_eviction_time_in_min" {
+  type        = number
+  description = "The time in minutes a node can be unhealthy before being removed from the load balancer."
+}
+
 variable "http_version" {
   type        = string
   description = "The HTTP version to use for the function app. Override standard default."