From 77eca05700aac99c82e7e703c52c4fc87f141edb Mon Sep 17 00:00:00 2001
From: Yanhua Li <yanhua.li@nutanix.com>
Date: Thu, 16 Mar 2023 12:45:56 -0400
Subject: [PATCH] OCPBUGS-6727: Nutanix: Hostname of the VM is not set when
 using DHCP network config

---
 data/data/nutanix/cluster/main.tf      | 42 ++++++++++++++++++++------
 pkg/terraform/stages/nutanix/stages.go |  2 +-
 2 files changed, 34 insertions(+), 10 deletions(-)

diff --git a/data/data/nutanix/cluster/main.tf b/data/data/nutanix/cluster/main.tf
index 16ac4f2d7c5..5036d7e41b4 100644
--- a/data/data/nutanix/cluster/main.tf
+++ b/data/data/nutanix/cluster/main.tf
@@ -38,14 +38,38 @@ resource "nutanix_image" "rhcos" {
   }
 }
 
+data "ignition_file" "hostname" {
+  count = var.master_count
+  mode  = "420" // 0644
+  path  = "/etc/hostname"
+
+  content {
+    content = <<EOF
+${var.cluster_id}-master-${count.index}
+EOF
+  }
+}
+
+data "ignition_config" "master_ignition_config" {
+  count = var.master_count
+
+  merge {
+    source = "data:text/plain;charset=utf-8;base64,${base64encode(var.ignition_master)}"
+  }
+
+  files = [
+    element(data.ignition_file.hostname.*.rendered, count.index)
+  ]
+}
+
 resource "nutanix_virtual_machine" "vm_master" {
-  count                = var.master_count
-  description          = local.description
-  name                 = "${var.cluster_id}-master-${count.index}"
-  cluster_uuid         = var.nutanix_prism_element_uuid
+  count = var.master_count
+  description = local.description
+  name = "${var.cluster_id}-master-${count.index}"
+  cluster_uuid = var.nutanix_prism_element_uuid
   num_vcpus_per_socket = var.nutanix_control_plane_cores_per_socket
-  num_sockets          = var.nutanix_control_plane_num_cpus
-  memory_size_mib      = var.nutanix_control_plane_memory_mib
+  num_sockets = var.nutanix_control_plane_num_cpus
+  memory_size_mib = var.nutanix_control_plane_memory_mib
   boot_device_order_list = [
     "DISK",
     "CDROM",
@@ -67,21 +91,21 @@ resource "nutanix_virtual_machine" "vm_master" {
   }
 
   categories {
-    name  = nutanix_category_key.ocp_category_key.name
+    name = nutanix_category_key.ocp_category_key.name
     value = nutanix_category_value.ocp_category_value_owned.value
   }
 
   dynamic "categories" {
     for_each = (var.nutanix_control_plane_categories == null) ? {} : var.nutanix_control_plane_categories
     content {
-      name  = categories.key
+      name = categories.key
       value = categories.value
     }
   }
 
   project_reference = (length(var.nutanix_control_plane_project_uuid) != 0) ? { kind = "project", uuid = var.nutanix_control_plane_project_uuid } : null
 
-  guest_customization_cloud_init_user_data = base64encode(var.ignition_master)
+  guest_customization_cloud_init_user_data = base64encode(element(data.ignition_config.master_ignition_config.*.rendered, count.index))
   nic_list {
     subnet_uuid = var.nutanix_subnet_uuid
   }
diff --git a/pkg/terraform/stages/nutanix/stages.go b/pkg/terraform/stages/nutanix/stages.go
index b9858ab6913..b3b378dd794 100644
--- a/pkg/terraform/stages/nutanix/stages.go
+++ b/pkg/terraform/stages/nutanix/stages.go
@@ -8,6 +8,6 @@ import (
 
 // PlatformStages are the stages to run to provision the infrastructure in Nutanix.
 var PlatformStages = []terraform.Stage{
-	stages.NewStage("nutanix", "cluster", []providers.Provider{providers.Nutanix}),
+	stages.NewStage("nutanix", "cluster", []providers.Provider{providers.Nutanix, providers.Ignition}),
 	stages.NewStage("nutanix", "bootstrap", []providers.Provider{providers.Nutanix}, stages.WithNormalBootstrapDestroy()),
 }