Files
terraform-hcloud-talos/server.tf

236 lines
7.7 KiB
HCL

data "hcloud_image" "arm" {
count = var.disable_arm ? 0 : 1
with_selector = "os=talos"
with_architecture = "arm"
most_recent = true
}
data "hcloud_image" "x86" {
count = var.disable_x86 ? 0 : 1
with_selector = "os=talos"
with_architecture = "x86"
most_recent = true
}
locals {
cluster_prefix = var.cluster_prefix ? "${var.cluster_name}-" : ""
control_plane_image_id = (
substr(var.control_plane_server_type, 0, 3) == "cax" ?
(var.disable_arm ? null : data.hcloud_image.arm[0].id) : // Use ARM image if not disabled
(var.disable_x86 ? null : data.hcloud_image.x86[0].id) // Use x86 image if not disabled
)
# Calculate total worker count from both old and new variables
legacy_worker_count = var.worker_count
new_worker_count = length(var.worker_nodes)
total_worker_count = local.legacy_worker_count + local.new_worker_count
# Generate worker node configurations from both old and new variables
legacy_workers = var.worker_count > 0 ? [
for i in range(var.worker_count) : {
index = i
name = "${local.cluster_prefix}worker-${i + 1}"
server_type = var.worker_server_type
image_id = (
substr(var.worker_server_type, 0, 3) == "cax" ?
(var.disable_arm ? null : data.hcloud_image.arm[0].id) :
(var.disable_x86 ? null : data.hcloud_image.x86[0].id)
)
ipv4_public = local.worker_public_ipv4_list[i]
ipv6_public = var.enable_ipv6 ? local.worker_public_ipv6_list[i] : null
ipv6_public_subnet = var.enable_ipv6 ? local.worker_public_ipv6_subnet_list[i] : null
ipv4_private = local.worker_private_ipv4_list[i]
labels = {}
taints = []
node_group_index = 0
node_in_group_index = i
}
] : []
new_workers = [
for i, worker in var.worker_nodes : {
index = local.legacy_worker_count + i
name = "${local.cluster_prefix}worker-${local.legacy_worker_count + i + 1}"
server_type = worker.type
image_id = (
substr(worker.type, 0, 3) == "cax" ?
(var.disable_arm ? null : data.hcloud_image.arm[0].id) :
(var.disable_x86 ? null : data.hcloud_image.x86[0].id)
)
ipv4_public = local.worker_public_ipv4_list[local.legacy_worker_count + i]
ipv6_public = var.enable_ipv6 ? local.worker_public_ipv6_list[local.legacy_worker_count + i] : null
ipv6_public_subnet = var.enable_ipv6 ? local.worker_public_ipv6_subnet_list[local.legacy_worker_count + i] : null
ipv4_private = local.worker_private_ipv4_list[local.legacy_worker_count + i]
labels = worker.labels
taints = worker.taints
}
]
# Combine legacy and new workers
workers = concat(local.legacy_workers, local.new_workers)
control_planes = [
for i in range(var.control_plane_count) : {
index = i
name = "${local.cluster_prefix}control-plane-${i + 1}"
ipv4_public = local.control_plane_public_ipv4_list[i],
ipv6_public = var.enable_ipv6 ? local.control_plane_public_ipv6_list[i] : null
ipv6_public_subnet = var.enable_ipv6 ? local.control_plane_public_ipv6_subnet_list[i] : null
ipv4_private = local.control_plane_private_ipv4_list[i]
}
]
}
resource "tls_private_key" "ssh_key" {
count = var.ssh_public_key == null ? 1 : 0
algorithm = "ED25519"
}
resource "hcloud_ssh_key" "this" {
name = "${local.cluster_prefix}default"
public_key = coalesce(var.ssh_public_key, can(tls_private_key.ssh_key[0].public_key_openssh) ? tls_private_key.ssh_key[0].public_key_openssh : null)
labels = {
"cluster" = var.cluster_name
}
}
resource "hcloud_server" "control_planes" {
for_each = { for control_plane in local.control_planes : control_plane.name => control_plane }
datacenter = data.hcloud_datacenter.this.name
name = each.value.name
image = local.control_plane_image_id
server_type = var.control_plane_server_type
user_data = data.talos_machine_configuration.control_plane[each.value.name].machine_configuration
ssh_keys = [hcloud_ssh_key.this.id]
placement_group_id = hcloud_placement_group.control_plane.id
labels = {
"cluster" = var.cluster_name,
"role" = "control-plane"
}
firewall_ids = [
hcloud_firewall.this.id
]
public_net {
ipv4_enabled = true
ipv4 = hcloud_primary_ip.control_plane_ipv4[each.value.index].id
ipv6_enabled = var.enable_ipv6
ipv6 = var.enable_ipv6 ? hcloud_primary_ip.control_plane_ipv6[each.value.index].id : null
}
network {
network_id = hcloud_network_subnet.nodes.network_id
ip = each.value.ipv4_private
alias_ips = [] # fix for https://github.com/hetznercloud/terraform-provider-hcloud/issues/650
}
depends_on = [
hcloud_network_subnet.nodes,
data.talos_machine_configuration.control_plane
]
lifecycle {
ignore_changes = [
user_data,
image
]
}
}
resource "hcloud_server" "workers" {
for_each = { for worker in local.legacy_workers : worker.name => worker }
datacenter = data.hcloud_datacenter.this.name
name = each.value.name
image = each.value.image_id
server_type = each.value.server_type
user_data = data.talos_machine_configuration.worker[each.value.name].machine_configuration
ssh_keys = [hcloud_ssh_key.this.id]
placement_group_id = hcloud_placement_group.worker.id
labels = merge({
"cluster" = var.cluster_name,
"role" = "worker"
"server_type" = each.value.server_type
}, each.value.labels)
firewall_ids = [
hcloud_firewall.this.id
]
public_net {
ipv4_enabled = true
ipv4 = hcloud_primary_ip.worker_ipv4[each.value.index].id
ipv6_enabled = var.enable_ipv6
ipv6 = var.enable_ipv6 ? hcloud_primary_ip.worker_ipv6[each.value.index].id : null
}
network {
network_id = hcloud_network_subnet.nodes.network_id
ip = each.value.ipv4_private
alias_ips = [] # fix for https://github.com/hetznercloud/terraform-provider-hcloud/issues/650
}
depends_on = [
hcloud_network_subnet.nodes,
data.talos_machine_configuration.worker
]
lifecycle {
ignore_changes = [
user_data,
image
]
}
}
resource "hcloud_server" "workers_new" {
for_each = { for worker in local.new_workers : worker.name => worker }
datacenter = data.hcloud_datacenter.this.name
name = each.value.name
image = each.value.image_id
server_type = each.value.server_type
user_data = data.talos_machine_configuration.worker[each.value.name].machine_configuration
ssh_keys = [hcloud_ssh_key.this.id]
placement_group_id = hcloud_placement_group.worker.id
labels = merge({
"cluster" = var.cluster_name,
"role" = "worker"
"server_type" = each.value.server_type
}, each.value.labels)
firewall_ids = [
hcloud_firewall.this.id
]
public_net {
ipv4_enabled = true
ipv4 = hcloud_primary_ip.worker_ipv4[each.value.index].id
ipv6_enabled = var.enable_ipv6
ipv6 = var.enable_ipv6 ? hcloud_primary_ip.worker_ipv6[each.value.index].id : null
}
network {
network_id = hcloud_network_subnet.nodes.network_id
ip = each.value.ipv4_private
alias_ips = [] # fix for https://github.com/hetznercloud/terraform-provider-hcloud/issues/650
}
depends_on = [
hcloud_network_subnet.nodes,
data.talos_machine_configuration.worker
]
lifecycle {
ignore_changes = [
user_data,
image
]
}
}