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fix: configure Talos cluster for proper HA with VIP #30

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Merged
winlinuxmatt merged 1 commit into from
Dec 25, 2025
Merged

fix: configure Talos cluster for proper HA with VIP #30

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79 changes: 63 additions & 16 deletions cluster.tf
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Original file line number Diff line number Diff line change
Expand Up @@ -7,32 +7,75 @@ resource "talos_machine_secrets" "machine_secrets" {}
data "talos_client_configuration" "talosconfig" {
cluster_name = var.cluster_name
client_configuration = talos_machine_secrets.machine_secrets.client_configuration
endpoints = [var.talos_cp_01_ip_addr]
endpoints = [var.cluster_vip, var.talos_cp_01_ip_addr, var.talos_cp_02_ip_addr, var.talos_cp_03_ip_addr]
}

# Control Plane Machine Configurations
# All control planes use the VIP as the cluster endpoint for HA
data "talos_machine_configuration" "machineconfig_cp" {
cluster_name = var.cluster_name
cluster_endpoint = "https://${var.talos_cp_01_ip_addr}:6443"
cluster_endpoint = "https://${var.cluster_vip}:6443"
machine_type = "controlplane"
machine_secrets = talos_machine_secrets.machine_secrets.machine_secrets
kubernetes_version = var.kubernetes_version
config_patches = [
yamlencode({
machine = {
network = {
interfaces = [{
interface = "eth0"
vip = {
ip = var.cluster_vip
}
}]
}
}
})
]
}

data "talos_machine_configuration" "machineconfig_cp_02" {
cluster_name = var.cluster_name
cluster_endpoint = "https://${var.talos_cp_02_ip_addr}:6443"
cluster_endpoint = "https://${var.cluster_vip}:6443"
machine_type = "controlplane"
machine_secrets = talos_machine_secrets.machine_secrets.machine_secrets
kubernetes_version = var.kubernetes_version
config_patches = [
yamlencode({
machine = {
network = {
interfaces = [{
interface = "eth0"
vip = {
ip = var.cluster_vip
}
}]
}
}
})
]
}

data "talos_machine_configuration" "machineconfig_cp_03" {
cluster_name = var.cluster_name
cluster_endpoint = "https://${var.talos_cp_03_ip_addr}:6443"
cluster_endpoint = "https://${var.cluster_vip}:6443"
machine_type = "controlplane"
machine_secrets = talos_machine_secrets.machine_secrets.machine_secrets
kubernetes_version = var.kubernetes_version
config_patches = [
yamlencode({
machine = {
network = {
interfaces = [{
interface = "eth0"
vip = {
ip = var.cluster_vip
}
}]
}
}
})
]
}

# Apply Control Plane Configurations
Expand All @@ -58,25 +101,29 @@ resource "talos_machine_configuration_apply" "cp_config_apply_03" {
}

# Worker Machine Configurations
# All workers use the VIP as the cluster endpoint for HA
data "talos_machine_configuration" "machineconfig_worker" {
cluster_name = var.cluster_name
cluster_endpoint = "https://${var.talos_cp_01_ip_addr}:6443"
machine_type = "worker"
machine_secrets = talos_machine_secrets.machine_secrets.machine_secrets
cluster_name = var.cluster_name
cluster_endpoint = "https://${var.cluster_vip}:6443"
machine_type = "worker"
machine_secrets = talos_machine_secrets.machine_secrets.machine_secrets
kubernetes_version = var.kubernetes_version
}

data "talos_machine_configuration" "machineconfig_worker_02" {
cluster_name = var.cluster_name
cluster_endpoint = "https://${var.talos_cp_02_ip_addr}:6443"
machine_type = "worker"
machine_secrets = talos_machine_secrets.machine_secrets.machine_secrets
cluster_name = var.cluster_name
cluster_endpoint = "https://${var.cluster_vip}:6443"
machine_type = "worker"
machine_secrets = talos_machine_secrets.machine_secrets.machine_secrets
kubernetes_version = var.kubernetes_version
}

data "talos_machine_configuration" "machineconfig_worker_03" {
cluster_name = var.cluster_name
cluster_endpoint = "https://${var.talos_cp_03_ip_addr}:6443"
machine_type = "worker"
machine_secrets = talos_machine_secrets.machine_secrets.machine_secrets
cluster_name = var.cluster_name
cluster_endpoint = "https://${var.cluster_vip}:6443"
machine_type = "worker"
machine_secrets = talos_machine_secrets.machine_secrets.machine_secrets
kubernetes_version = var.kubernetes_version
}

# Apply Worker Configurations
Expand Down
8 changes: 7 additions & 1 deletion variables.tf
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Original file line number Diff line number Diff line change
Expand Up @@ -53,5 +53,11 @@ variable "talos_version" {

variable "kubernetes_version" {
type = string
default = "1.34.0"
default = "1.32.0"
}

variable "cluster_vip" {
type = string
default = "10.0.0.69"
description = "Virtual IP for the Kubernetes API server (HA endpoint)"
}