SPLAT-1272: Modify the terraform variables to support Nutanix Failure Domains

Author: yanhua121

data/data/nutanix/bootstrap/main.tf

@@ -24,7 +24,7 @@ resource "nutanix_image" "bootstrap_ignition" {
 resource "nutanix_virtual_machine" "vm_bootstrap" {
   name                 = "${var.cluster_id}-bootstrap"
   description          = local.description
-  cluster_uuid         = var.nutanix_prism_element_uuid
+  cluster_uuid         = var.nutanix_prism_element_uuids[0]
   num_vcpus_per_socket = 4
   num_sockets          = 1
   memory_size_mib      = 16384
@@ -69,6 +69,6 @@ resource "nutanix_virtual_machine" "vm_bootstrap" {
   }
 
   nic_list {
-    subnet_uuid = var.nutanix_subnet_uuid
+    subnet_uuid = var.nutanix_subnet_uuids[0]
   }
 }

data/data/nutanix/cluster/main.tf

@@ -66,7 +66,7 @@ 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
+  cluster_uuid = var.nutanix_prism_element_uuids[count.index]
   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
@@ -107,6 +107,6 @@ resource "nutanix_virtual_machine" "vm_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
+    subnet_uuid = var.nutanix_subnet_uuids[count.index]
   }
 }

data/data/nutanix/variables-nutanix.tf

@@ -22,9 +22,10 @@ variable "nutanix_password" {
   description = "Prism Central user password"
 }
 
-variable "nutanix_prism_element_uuid" {
-  type        = string
-  description = "This is the uuid of the Prism Element cluster."
+variable "nutanix_prism_element_uuids" {
+  type        = list(string)
+  default     = []
+  description = "This is the uuids of the Prism Element clusters."
 }
 
 variable "nutanix_image_uri" {
@@ -37,9 +38,10 @@ variable "nutanix_image" {
   description = "This is the name to the image that will be imported into Prism Central."
 }
 
-variable "nutanix_subnet_uuid" {
-  type        = string
-  description = "This is the uuid of the publicly accessible subnet for cluster ingress and access."
+variable "nutanix_subnet_uuids" {
+  type        = list(string)
+  default     = []
+  description = "This is the uuids of the publicly accessible subnets for cluster ingress and access."
 }
 
 variable "nutanix_bootstrap_ignition_image" {

pkg/tfvars/nutanix/nutanix.go

@@ -20,8 +20,8 @@ type config struct {
 	NumCoresPerSocket              int64             `json:"nutanix_control_plane_cores_per_socket"`
 	ProjectUUID                    string            `json:"nutanix_control_plane_project_uuid"`
 	Categories                     map[string]string `json:"nutanix_control_plane_categories"`
-	PrismElementUUID               string            `json:"nutanix_prism_element_uuid"`
-	SubnetUUID                     string            `json:"nutanix_subnet_uuid"`
+	PrismElementUUIDs              []string          `json:"nutanix_prism_element_uuids"`
+	SubnetUUIDs                    []string          `json:"nutanix_subnet_uuids"`
 	Image                          string            `json:"nutanix_image"`
 	ImageURI                       string            `json:"nutanix_image_uri"`
 	BootstrapIgnitionImage         string            `json:"nutanix_bootstrap_ignition_image"`
@@ -49,6 +49,7 @@ func TFVars(sources TFVarsSources) ([]byte, error) {
 
 	bootstrapIgnitionImageName := nutanixtypes.BootISOImageName(sources.ClusterID)
 	controlPlaneConfig := sources.ControlPlaneConfigs[0]
+	cpCount := len(sources.ControlPlaneConfigs)
 	cfg := &config{
 		Port:                           sources.Port,
 		PrismCentralAddress:            sources.PrismCentralAddress,
@@ -58,14 +59,19 @@ func TFVars(sources TFVarsSources) ([]byte, error) {
 		DiskSizeMiB:                    controlPlaneConfig.SystemDiskSize.Value() / (1024 * 1024),
 		NumCPUs:                        int64(controlPlaneConfig.VCPUSockets),
 		NumCoresPerSocket:              int64(controlPlaneConfig.VCPUsPerSocket),
-		PrismElementUUID:               *controlPlaneConfig.Cluster.UUID,
-		SubnetUUID:                     *controlPlaneConfig.Subnets[0].UUID,
+		PrismElementUUIDs:              make([]string, cpCount),
+		SubnetUUIDs:                    make([]string, cpCount),
 		Image:                          *controlPlaneConfig.Image.Name,
 		ImageURI:                       sources.ImageURI,
 		BootstrapIgnitionImage:         bootstrapIgnitionImageName,
 		BootstrapIgnitionImageFilePath: bootstrapIgnitionImagePath,
 	}
 
+	for i, cpcfg := range sources.ControlPlaneConfigs {
+		cfg.PrismElementUUIDs[i] = *cpcfg.Cluster.UUID
+		cfg.SubnetUUIDs[i] = *cpcfg.Subnets[0].UUID
+	}
+
 	if controlPlaneConfig.Project.Type == machinev1.NutanixIdentifierUUID {
 		cfg.ProjectUUID = *controlPlaneConfig.Project.UUID
 	}