fix #3 by adding var.tags and removing dummy tags

Author: InputObject2

variables.tf

@@ -215,4 +215,10 @@ network:
     subnets:
     - type: dhcp
 EOF
+}
+
+variable "tags" {
+    description = "A list of key+value pairs to apply to the deployment"
+    type = list(string)
+    default = []
 }

xen_master.tf

@@ -163,7 +163,7 @@ resource "xenorchestra_vm" "master" {
   wait_for_ip = true
   start_delay = var.start_delay
 
-  tags = concat(var.master_tags, ["inputobject2.github.io/cloud-os:ubuntu-20-04-focal", "kubernetes.io/role:primary", "inputobject2.github.io/deployment:${var.cluster_name}"])
+  tags = concat(var.tags, var.master_tags, ["kubernetes.io/role:primary", "xcp-ng.org/deployment:${var.cluster_name}"])
 
   lifecycle {
     ignore_changes = [ disk, affinity_host, template ]

xen_nodes.tf

@@ -101,7 +101,7 @@ resource "xenorchestra_vm" "node" {
   wait_for_ip = true
   start_delay = var.start_delay
 
-  tags = concat(var.node_tags, ["inputobject2.github.io/cloud-os:ubuntu-20-04-focal", "inputobject2.github.io/deployment:${var.cluster_name}"])
+  tags = concat(var.tags, var.node_tags, ["kubernetes.io/role:worker", "xcp-ng.org/deployment:${var.cluster_name}"])
 
   lifecycle {
     ignore_changes = [ disk, affinity_host, template ]

xen_secondaries.tf

@@ -104,7 +104,7 @@ resource "xenorchestra_vm" "secondary" {
   wait_for_ip = true
   start_delay = var.start_delay
 
-  tags = concat(var.master_tags, ["inputobject2.github.io/cloud-os:ubuntu-20-04-focal", "kubernetes.io/role:secondary", "inputobject2.github.io/deployment:${var.cluster_name}"])
+  tags = concat(var.tags, var.master_tags, ["kubernetes.io/role:secondary", "xcp-ng.org/deployment:${var.cluster_name}"])
 
   lifecycle {
     ignore_changes = [ disk, affinity_host, template ]