variiables.json

{
  "variables": {
    "vcenter":                     "{{env `packer_vcenter`}}",
    "vcenterUser":                 "{{env `packer_vcenterUser`}}",
    "vcenterPass":                 "{{env `packer_vcenterPass`}}",
    "vmName":                      "{{env `packer_vmName`}}",
    "cluster":                     "{{env `packer_cluster`}}",
    "datastore":                   "{{env `packer_datastore`}}",
    "datastore_iso":               "{{env `packer_datastoreISO`}}",
    "network":                     "{{env `packer_network`}}",
    "winrmUser":                   "{{vault `creds/users/misc/administrator` `Username`}}",
    "winrmPass":                   "{{vault `creds/users/misc/administrator` `Password`}}"
  }