Add logging;Move iso-file specifics to variable file;Housekeeping

packer/iso.auto.pkrvars.hcl

@@ -0,0 +1,2 @@
+iso_url      = "sn.itch.fyi/Repository/iso/Canonical/Ubuntu%20Server%2020.04/ubuntu-20.04.2-live-server-amd64.iso"
+iso_checksum = "sha256:D1F2BF834BBE9BB43FAF16F9BE992A6F3935E65BE0EDECE1DEE2AA6EB1767423"

packer/ubuntuserver20.04.pkr.hcl

@@ -51,8 +51,8 @@ source "vsphere-iso" "ubuntuserver" {
     "packer/preseed/UbuntuServer20.04/meta-data"
   ]
   cd_label                = "cidata"
-  iso_checksum            = "sha256:D1F2BF834BBE9BB43FAF16F9BE992A6F3935E65BE0EDECE1DEE2AA6EB1767423"
-  iso_url                 = "https://${var.repo_username}:${var.repo_password}@sn.itch.fyi/Repository/iso/Canonical/Ubuntu%20Server%2020.04/ubuntu-20.04.2-live-server-amd64.iso"
+  iso_url                 = var.iso_authenticatedurl
+  iso_checksum            = var.iso_checksum
 
   shutdown_command        = "echo '${var.ssh_password}' | sudo -S shutdown -P now"
   shutdown_timeout        = "5m"

packer/variables.pkr.hcl

@@ -1,6 +1,8 @@
 variable "vcenter_server" {}
 variable "vsphere_username" {}
-variable "vsphere_password" {}
+variable "vsphere_password" {
+    sensitive = true
+}
 
 variable "vsphere_host" {}
 variable "vsphere_datacenter" {}
@@ -12,7 +14,16 @@ variable "vsphere_network" {}
 
 variable "vm_name" {}
 variable "vm_guestos" {}
-variable "ssh_password" {}
+variable "ssh_password" {
+    sensitive = true
+}
 
+variable "iso_url" {}
+variable "iso_checksum" {}
 variable "repo_username" {}
-variable "repo_password" {}
+variable "repo_password" {
+    sensitive = true
+}
+locals {
+    iso_authenticatedurl = "https://${var.repo_username}:${var.repo_password}@${var.iso_url}"
+}