Add vmstartcount functionality

Author: damnsam

main.tf

@@ -80,7 +80,7 @@ locals {
 resource "vsphere_virtual_machine" "vm" {
   count      = var.instances
   depends_on = [var.vm_depends_on]
-  name       = "${var.staticvmname != null ? var.staticvmname : format("${var.vmname}${var.vmnameformat}", count.index + 1)}${var.fqdnvmname == true ? ".${var.domain}" : ""}"
+  name       = "${var.staticvmname != null ? var.staticvmname : format("${var.vmname}${var.vmnameformat}", count.index + var.vmstartcount)}${var.fqdnvmname == true ? ".${var.domain}" : ""}"
 
   resource_pool_id        = var.vmrp != "" ? data.vsphere_resource_pool.pool[0].id : var.vmrpid
   folder                  = var.vmfolder
@@ -218,7 +218,7 @@ resource "vsphere_virtual_machine" "vm" {
       dynamic "linux_options" {
         for_each = var.is_windows_image ? [] : [1]
         content {
-          host_name    = var.staticvmname != null ? var.staticvmname : format("${var.vmname}${var.vmnameformat}", count.index + 1)
+          host_name    = var.staticvmname != null ? var.staticvmname : format("${var.vmname}${var.vmnameformat}", count.index + var.vmstartcount)
           domain       = var.domain
           hw_clock_utc = var.hw_clock_utc
         }
@@ -227,7 +227,7 @@ resource "vsphere_virtual_machine" "vm" {
       dynamic "windows_options" {
         for_each = var.is_windows_image ? [1] : []
         content {
-          computer_name         = var.staticvmname != null ? var.staticvmname : format("${var.vmname}${var.vmnameformat}", count.index + 1)
+          computer_name         = var.staticvmname != null ? var.staticvmname : format("${var.vmname}${var.vmnameformat}", count.index + var.vmstartcount)
           admin_password        = var.local_adminpass
           workgroup             = var.workgroup
           join_domain           = var.windomain

variables.tf

@@ -125,6 +125,11 @@ variable "vmnameformat" {
   default     = "%02d"
 }
 
+variable "vmstartcount" {
+  description = "vmname start count value. default is set to 1. example: a value of 4 (with default format and 2 instances) will make first instance suffix 04 and second instance suffix 05"
+  default     = 1
+}
+
 variable "staticvmname" {
   description = "Static name of the virtual machin. When this option is used VM can not scale out using instance variable. You can use for_each outside the module to deploy multiple static vms with different names"
   default     = null