TES-330 Updated the disks to PremiumSSD_v2

main.tf

@@ -194,8 +194,10 @@ module "vm" {
   # Configurations for the user data script
   graphdb_external_address_fqdn = module.address.public_ip_address_fqdn
   key_vault_name                = module.vault.key_vault_name
-  data_disk_performance_tier    = var.data_disk_performance_tier
-  disk_size_gb                  = var.disk_size_gb
+
+  disk_iops_read_write = var.disk_iops_read_write
+  disk_mbps_read_write = var.disk_mbps_read_write
+  disk_size_gb         = var.disk_size_gb
 
   instance_type     = var.instance_type
   image_id          = module.graphdb_image.image_id

modules/vm/main.tf

@@ -45,7 +45,8 @@ locals {
   user_data_script = var.custom_user_data != null ? var.custom_user_data : templatefile("${path.module}/templates/entrypoint.sh.tpl", {
     graphdb_external_address_fqdn : var.graphdb_external_address_fqdn
     key_vault_name : var.key_vault_name
-    data_disk_performance_tier : var.data_disk_performance_tier
+    disk_iops_read_write : var.disk_iops_read_write
+    disk_mbps_read_write : var.disk_mbps_read_write
     disk_size_gb : var.disk_size_gb
   })
 }

modules/vm/templates/entrypoint.sh.tpl

@@ -26,7 +26,8 @@ REGION_ID=$(az vmss list-instances --resource-group $RESOURSE_GROUP --name $VMSS
 # Do NOT change the LUN. Based on this we find and mount the disk in the VM
 LUN=2
 
-TIER=${data_disk_performance_tier}
+DISK_IOPS=${disk_iops_read_write}
+DISK_THROUGHPUT=${disk_mbps_read_write}
 DISK_SIZE_GB=${disk_size_gb}
 
 # TODO Define the disk name based on the hostname ??
@@ -50,7 +51,15 @@ done
 
 if [ -z "$existingUnattachedDisk" ]; then
   echo "Creating a new managed disk"
-  az disk create --resource-group $RESOURSE_GROUP --name $diskName --size-gb $DISK_SIZE_GB --location $REGION_ID --sku Premium_LRS --zone $ZONE_ID --tier $TIER
+  az disk create --resource-group $RESOURSE_GROUP \
+   --name $diskName \
+   --size-gb $DISK_SIZE_GB \
+   --location $REGION_ID \
+   --sku PremiumV2_LRS \
+   --zone $ZONE_ID \
+   --os-type Linux \
+   --disk-iops-read-write $DISK_IOPS \
+   --disk-mbps-read-write $DISK_THROUGHPUT
 fi
 
 # Checks if a managed disk is attached to the instance
@@ -179,8 +188,6 @@ if [[ $secrets == *"graphdb-java-options"* ]]; then
   )
 fi
 
-# TODO: -Xmx based on the machine's memory size
-
 # TODO: Backup cron
 
 # TODO: Monitoring/instrumenting

modules/vm/variables.tf

@@ -120,8 +120,14 @@ variable "disk_size_gb" {
   default     = null
 }
 
-variable "data_disk_performance_tier" {
-  description = "Performance tier of the managed data disk"
-  type        = string
+variable "disk_iops_read_write" {
+  description = "Data disk IOPS"
+  type        = number
+  default     = null
+}
+
+variable "disk_mbps_read_write" {
+  description = "Data disk throughput"
+  type        = number
   default     = null
 }

variables.tf

@@ -131,18 +131,28 @@ variable "custom_graphdb_vm_user_data" {
   default     = null
 }
 
+# Data disks
+
 variable "disk_size_gb" {
   description = "Size of the managed data disk which will be created"
   type        = number
   default     = 500
 }
 
-variable "data_disk_performance_tier" {
-  description = "Performance tier of the managed data disk"
-  type        = string
-  default     = "P40"
+variable "disk_iops_read_write" {
+  description = "Data disk IOPS"
+  type        = number
+  default     = 7500
 }
 
+variable "disk_mbps_read_write" {
+  description = "Data disk throughput"
+  type        = number
+  default     = 250
+}
+
+# Bastion
+
 variable "deploy_bastion" {
   description = "Deploy bastion module"
   type        = bool