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feat: Update subnet configuration in main.tf to utilize the 'metal_subnet' variable. #75

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Jun 12, 2024
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feat: Update subnet configuration in main.tf to utilize the 'metal_subnet' variable. #75

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25 changes: 11 additions & 14 deletions main.tf
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Original file line number Diff line number Diff line change
Expand Up @@ -3,9 +3,6 @@ locals {
vlan_id = var.create_vlan ? element(equinix_metal_vlan.nutanix[*].id, 0) : element(data.equinix_metal_vlan.nutanix[*].id, 0)
vxlan = var.create_vlan ? element(equinix_metal_vlan.nutanix[*].vxlan, 0) : element(data.equinix_metal_vlan.nutanix[*].vxlan, 0)

# Pick an arbitrary private subnet, we recommend a /22 like "192.168.100.0/22"
subnet = "192.168.100.0/22"

nutanix_reservation_ids = { for idx, val in var.nutanix_reservation_ids : idx => val }
}

Expand Down Expand Up @@ -64,12 +61,12 @@ resource "equinix_metal_device" "bastion" {

user_data = templatefile("${path.module}/templates/bastion-userdata.tmpl", {
metal_vlan_id = local.vxlan,
address = cidrhost(local.subnet, 2),
netmask = cidrnetmask(local.subnet),
host_dhcp_start = cidrhost(local.subnet, 3),
host_dhcp_end = cidrhost(local.subnet, 15),
vm_dhcp_start = cidrhost(local.subnet, 16),
vm_dhcp_end = cidrhost(local.subnet, -5),
address = cidrhost(var.cluster_subnet, 2),
netmask = cidrnetmask(var.cluster_subnet),
host_dhcp_start = cidrhost(var.cluster_subnet, 3),
host_dhcp_end = cidrhost(var.cluster_subnet, 15),
vm_dhcp_start = cidrhost(var.cluster_subnet, 16),
vm_dhcp_end = cidrhost(var.cluster_subnet, -5),
lease_time = "infinite",
nutanix_mac = "50:6b:8d:*:*:*",
set = "nutanix"
Expand Down Expand Up @@ -101,18 +98,18 @@ resource "equinix_metal_vrf" "nutanix" {
name = "nutanix-vrf-${random_string.vrf_name_suffix.result}"
metro = var.metal_metro
local_asn = "65000"
ip_ranges = [local.subnet]
ip_ranges = [var.cluster_subnet]
project_id = local.project_id
}

resource "equinix_metal_reserved_ip_block" "nutanix" {
description = "Reserved IP block (${local.subnet}) taken from on of the ranges in the VRF's pool of address space."
description = "Reserved IP block (${var.cluster_subnet}) taken from on of the ranges in the VRF's pool of address space."
project_id = local.project_id
metro = var.metal_metro
type = "vrf"
vrf_id = equinix_metal_vrf.nutanix.id
cidr = split("/", local.subnet)[1]
network = cidrhost(local.subnet, 0)
cidr = split("/", var.cluster_subnet)[1]
network = cidrhost(var.cluster_subnet, 0)
}

resource "equinix_metal_gateway" "gateway" {
Expand Down Expand Up @@ -231,7 +228,7 @@ resource "null_resource" "finalize_cluster" {

provisioner "file" {
content = templatefile("${path.module}/templates/create-cluster.sh.tmpl", {
bastion_address = cidrhost(local.subnet, 2),
bastion_address = cidrhost(var.cluster_subnet, 2),
})
destination = "/root/create-cluster.sh"
}
Expand Down
8 changes: 4 additions & 4 deletions outputs.tf
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Expand Up @@ -16,7 +16,7 @@ output "nutanix_sos_hostname" {

output "ssh_forward_command" {
description = "SSH port forward command to use to connect to the Prism GUI"
value = "ssh -L 9440:${data.local_file.cvm_ip_address.content}:9440 -L 19440:${cidrhost(local.subnet, -4)}:9440 -i ${module.ssh.ssh_private_key} root@${equinix_metal_device.bastion.access_public_ipv4}"
value = "ssh -L 9440:${data.local_file.cvm_ip_address.content}:9440 -L 19440:${cidrhost(var.cluster_subnet, -4)}:9440 -i ${module.ssh.ssh_private_key} root@${equinix_metal_device.bastion.access_public_ipv4}"
}

output "cvim_ip_address" {
Expand All @@ -26,16 +26,16 @@ output "cvim_ip_address" {

output "virtual_ip_address" {
description = "Reserved IP for cluster virtal IP"
value = cidrhost(local.subnet, -2)
value = cidrhost(var.cluster_subnet, -2)
}

output "iscsi_data_services_ip" {
description = "Reserved IP for cluster ISCSI Data Services IP"
value = cidrhost(local.subnet, -3)
value = cidrhost(var.cluster_subnet, -3)
}


output "prism_central_ip_address" {
description = "Reserved IP for Prism Central VM"
value = cidrhost(local.subnet, -4)
value = cidrhost(var.cluster_subnet, -4)
}
1 change: 1 addition & 0 deletions terraform.tfvars.example
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Expand Up @@ -12,4 +12,5 @@
# metal_vlan_id=null # ID of the VLAN you wish to use. e.g. 1234
# nutanix_node_count=3 # The number of Nutanix nodes to create.
# skip_cluster_creation=false # Skip the creation of the Nutanix cluster.
# cluster_subnet="192.168.140.0/22" # Pick an arbitrary private subnet, we recommend a /22 like "192.168.100.0/22"
# nutanix_reservation_ids=[] # Hardware reservation IDs to use for the Nutanix nodes
6 changes: 6 additions & 0 deletions variables.tf
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Expand Up @@ -31,6 +31,12 @@ variable "metal_project_id" {
EOT
}

variable "cluster_subnet" {
type = string
default = "192.168.100.0/22"
description = "nutanix cluster subnet"
}

variable "metal_organization_id" {
type = string
default = null
Expand Down
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