Merge pull request #19 from SamyCoenen/feature/disk-datastore

Feature/disk datastore - Tested, Working as expected

Author: Arman-Keyoumarsi

examples/linux/main.tf

@@ -36,6 +36,8 @@ module "example-server-linuxvm-advanced" {
     "VM Network" = ["192.168.0.4", ""] // Here the first instance will use Static Ip and Second set to DHCP
     "test"       = ["", "192.168.0.3"]
   }
+  disk_datastore             = "vsanDatastore"
+  data_disk_datastore        = ["vsanDatastore", "nfsDatastore"]
   data_disk_size_gb = [10, 5] // Aditional Disks to be used
   thin_provisioned  = ["true", "false"]
   vmdns             = ["192.168.0.2", "192.168.0.1"]

examples/windows/main.tf

@@ -56,6 +56,8 @@ module "example-server-windowsvm-advanced" {
     "VM Network" = ["192.168.0.4", ""] // Here the first instance will use Static Ip and Second DHCP
     "test"       = ["", "192.168.0.3"]
   }
+  disk_datastore             = "vsanDatastore"
+  data_disk_datastore        = ["vsanDatastore", "nfsDatastore"]
   data_disk_size_gb = [10, 5] // Aditional Disks to be used
   thin_provisioned  = ["true", "false"]
   vmdns             = ["192.168.0.2", "192.168.0.1"]

main.tf

@@ -14,6 +14,18 @@ data "vsphere_datastore" "datastore" {
   datacenter_id = data.vsphere_datacenter.dc.id
 }
 
+data "vsphere_datastore" "disk_datastore" {
+  count         = var.disk_datastore != "" ? 1 : 0
+  name          = var.disk_datastore
+  datacenter_id = data.vsphere_datacenter.dc.id
+}
+
+data "vsphere_datastore" "data_disk_datastore" {
+  for_each      = toset(var.data_disk_datastore)
+  name          = each.key
+  datacenter_id = data.vsphere_datacenter.dc.id
+}
+
 data "vsphere_resource_pool" "pool" {
   name          = var.vmrp
   datacenter_id = data.vsphere_datacenter.dc.id
@@ -95,6 +107,7 @@ resource "vsphere_virtual_machine" "Linux" {
       unit_number      = template_disks.key
       thin_provisioned = data.vsphere_virtual_machine.template.disks[template_disks.key].thin_provisioned
       eagerly_scrub    = data.vsphere_virtual_machine.template.disks[template_disks.key].eagerly_scrub
+      datastore_id     = var.disk_datastore != "" ? data.vsphere_datastore.disk_datastore[0].id : null
     }
   }
 
@@ -108,6 +121,7 @@ resource "vsphere_virtual_machine" "Linux" {
       unit_number      = terraform_disks.key + local.template_disk_count
       thin_provisioned = var.thin_provisioned != null ? var.thin_provisioned[terraform_disks.key] : null
       eagerly_scrub    = var.eagerly_scrub != null ? var.eagerly_scrub[terraform_disks.key] : null
+      datastore_id     = length(var.data_disk_datastore) > 0 ? data.vsphere_datastore.data_disk_datastore[var.data_disk_datastore[terraform_disks.key]].id : null
     }
   }
 
@@ -185,6 +199,7 @@ resource "vsphere_virtual_machine" "Windows" {
       unit_number      = template_disks.key
       thin_provisioned = data.vsphere_virtual_machine.template.disks[template_disks.key].thin_provisioned
       eagerly_scrub    = data.vsphere_virtual_machine.template.disks[template_disks.key].eagerly_scrub
+      datastore_id     = var.disk_datastore != "" ? data.vsphere_datastore.disk_datastore[0].id : null
     }
   }
 
@@ -198,6 +213,7 @@ resource "vsphere_virtual_machine" "Windows" {
       unit_number      = terraform_disks.key + local.template_disk_count
       thin_provisioned = var.thin_provisioned != null ? var.thin_provisioned[terraform_disks.key] : null
       eagerly_scrub    = var.eagerly_scrub != null ? var.eagerly_scrub[terraform_disks.key] : null
+      datastore_id     = length(var.data_disk_datastore) > 0 ? data.vsphere_datastore.data_disk_datastore[var.data_disk_datastore[terraform_disks.key]].id : null
     }
   }
 

variables.tf

@@ -156,6 +156,20 @@ variable "data_disk_size_gb" {
   default     = []
 }
 
+variable "disk_datastore"{
+  type        = string
+  default     = ""
+}
+
+variable "data_disk_datastore" {
+  type        = list
+  default     = []
+  # validation {
+  #   condition     = length(var.disk_datastore) == 0 || length(var.disk_datastore) == length(var.data_disk_size_gb)
+  #       error_message = "The list of disk datastore must be equal in length to disk_size_gb"
+  # }
+}
+
 variable "thin_provisioned" {
   description = "If true, this disk is thin provisioned, with space for the file being allocated on an as-needed basis."
   type        = list