Added variable option for max agent count

CHANGELOG.md

@@ -6,7 +6,8 @@ __Infra Changes__
 - [Issue 106 - Arch Change - Data Partition - Ingestion Workflow Database and Storage new collections and fileshares](https://community.opengroup.org/osdu/platform/deployment-and-operations/infra-azure-provisioning/-/issues/106)
 
 __Bug Fixes__
-- [But 109 - Add Entitlement Role](https://community.opengroup.org/osdu/platform/deployment-and-operations/infra-azure-provisioning/-/issues/109#related-issues)
+- [Bug 109 - Add Entitlement Role](https://community.opengroup.org/osdu/platform/deployment-and-operations/infra-azure-provisioning/-/issues/109#related-issues)
+- [Bug 108 - Add VM Agent Max Nodes Option](https://community.opengroup.org/osdu/platform/deployment-and-operations/infra-azure-provisioning/-/issues/108)
 - [Bug 103 - Enable opt-in airflow ui ingress](https://community.opengroup.org/osdu/platform/deployment-and-operations/infra-azure-provisioning/-/issues/103)
 - [Bug 102 - Users with a lot of groups receive a 400 Bad Request when making API calls](https://community.opengroup.org/osdu/platform/deployment-and-operations/infra-azure-provisioning/-/issues/102)
 - [Bug 101 - Comsos Graph module always requires a change on tf plan](https://community.opengroup.org/osdu/platform/deployment-and-operations/infra-azure-provisioning/-/issues/101)

infra/templates/osdu-r3-mvp/service_resources/main.tf

@@ -324,6 +324,7 @@ module "aks" {
   agent_vm_count     = var.aks_agent_vm_count
   agent_vm_size      = var.aks_agent_vm_size
   agent_vm_disk      = var.aks_agent_vm_disk
+  max_node_count     = var.aks_agent_vm_maxcount
   vnet_subnet_id     = module.network.subnets.1
   ssh_public_key     = file(var.ssh_public_key_file)
   kubernetes_version = var.kubernetes_version

infra/templates/osdu-r3-mvp/service_resources/variables.tf

@@ -214,6 +214,12 @@ variable "aks_agent_vm_count" {
   default     = "3"
 }
 
+variable "aks_agent_vm_maxcount" {
+  description = "The max number of nodes allocated to the AKS cluster"
+  type        = string
+  default     = "10"
+}
+
 variable "aks_agent_vm_size" {
   type        = string
   description = "The size of each VM in the Agent Pool (e.g. Standard_F1). Changing this forces a new resource to be created."