From d196ee4ffce33099318fe6b1994282c99883bada Mon Sep 17 00:00:00 2001
From: Mark Simon <33624175+s1mark@users.noreply.github.com>
Date: Mon, 2 Mar 2020 09:29:55 +0100
Subject: [PATCH] Flag option to enable OMS agent for AKS container monitoring
 (fixes #9) (#10)

---
 azurerm_kubernetes_cluster/README.md    | 6 +++++-
 azurerm_kubernetes_cluster/aks.tf       | 2 +-
 azurerm_kubernetes_cluster/variables.tf | 5 +++++
 3 files changed, 11 insertions(+), 2 deletions(-)

diff --git a/azurerm_kubernetes_cluster/README.md b/azurerm_kubernetes_cluster/README.md
index 205b6e2..e2f206e 100644
--- a/azurerm_kubernetes_cluster/README.md
+++ b/azurerm_kubernetes_cluster/README.md
@@ -93,9 +93,13 @@ variable "agent_disk_size" {
 variable "log_analytics_workspace_sku" {
   type        = string
   description = "The pricing level of the Log Analytics workspace (https://azure.microsoft.com/pricing/details/monitor)"
-
   default     = "PerGB2018"
 }
+variable "aks_oms_agent" {
+  type        = bool
+  description = "Enable Log Analytics agent to monitor containers"
+  default     = false
+}
 ```
 ## Testing
 The  `./test/fixtures/tf_module` contains an example on how to invoke the module. This is also wrapped around with `kitchen` which has the following configuration defined in `.kitchen.yaml`
diff --git a/azurerm_kubernetes_cluster/aks.tf b/azurerm_kubernetes_cluster/aks.tf
index fa38a7e..6badb60 100644
--- a/azurerm_kubernetes_cluster/aks.tf
+++ b/azurerm_kubernetes_cluster/aks.tf
@@ -51,7 +51,7 @@ resource "azurerm_kubernetes_cluster" "k8s" {
   }
   addon_profile {
     oms_agent {
-      enabled                    = true
+      enabled                    = var.aks_oms_agent
       log_analytics_workspace_id = azurerm_log_analytics_workspace.log-workspace.id
     }
   }
diff --git a/azurerm_kubernetes_cluster/variables.tf b/azurerm_kubernetes_cluster/variables.tf
index 4ae88cd..be3432c 100644
--- a/azurerm_kubernetes_cluster/variables.tf
+++ b/azurerm_kubernetes_cluster/variables.tf
@@ -77,3 +77,8 @@ variable "log_analytics_workspace_sku" {
   description = "The pricing level of the Log Analytics workspace (https://azure.microsoft.com/pricing/details/monitor)"
   default     = "PerGB2018"
 }
+variable "aks_oms_agent" {
+  type        = bool
+  description = "Enable Log Analytics agent to monitor containers"
+  default     = false
+}