autoscaler: Add support to set HCLOUD_SERVER_CREATION_TIMEOUT

autoscaler-agents.tf

@@ -1,4 +1,4 @@
 locals {
   cluster_prefix = var.use_cluster_name_in_node_name ? "${var.cluster_name}-" : ""
   first_nodepool_snapshot_id = length(var.autoscaler_nodepools) == 0 ? "" : (
     substr(var.autoscaler_nodepools[0].server_type, 0, 3) == "cax" ? data.hcloud_image.microos_arm_snapshot.id : data.hcloud_image.microos_x86_snapshot.id
@@ -34,6 +34,7 @@
       cluster_autoscaler_log_level        = var.cluster_autoscaler_log_level
       cluster_autoscaler_log_to_stderr    = var.cluster_autoscaler_log_to_stderr
       cluster_autoscaler_stderr_threshold = var.cluster_autoscaler_stderr_threshold
+      cluster_autoscaler_server_creation_timeout = var.cluster_autoscaler_server_creation_timeout
       ssh_key                             = local.hcloud_ssh_key_id
       ipv4_subnet_id                      = data.hcloud_network.k3s.id
       snapshot_id                         = local.first_nodepool_snapshot_id

kube.tf.example

@@ -365,13 +365,17 @@ module "kube-hetzner" {
   #   - cluster_autoscaler_log_to_stderr: Determines whether to log to stderr (--logtostderr).
   #   - cluster_autoscaler_stderr_threshold: Sets the threshold for logs that go to stderr (--stderrthreshold).
   #
+  # Server/node creation timeout variable:
+  #   - cluster_autoscaler_server_creation_timeout: Sets the timeout (in minutes) until which a newly created server/node has to come available before giving up and destroying it (defaults to 5min)
+  #
   # Example:
   #
   # cluster_autoscaler_image = "registry.k8s.io/autoscaling/cluster-autoscaler"
   # cluster_autoscaler_version = "v1.27.3"
   # cluster_autoscaler_log_level = 4
   # cluster_autoscaler_log_to_stderr = true
   # cluster_autoscaler_stderr_threshold = "INFO"
+  # cluster_autoscaler_server_creation_timeout = "5"
 
   # Additional Cluster Autoscaler binary configuration
   #

templates/autoscaler.yaml.tpl

@@ -194,6 +194,10 @@ spec:
             value: '${ipv4_subnet_id}'
           - name: HCLOUD_FIREWALL
             value: '${firewall_id}'
+          %{~ if cluster_autoscaler_server_creation_timeout != "" ~}
+          - name: HCLOUD_SERVER_CREATION_TIMEOUT
+            value: '${cluster_autoscaler_server_creation_timeout}'
+          %{~ endif ~}
           volumeMounts:
             - name: ssl-certs
               mountPath: /etc/ssl/certs

variables.tf

@@ -308,6 +308,11 @@ variable "cluster_autoscaler_extra_args" {
   description = "Extra arguments for the Cluster Autoscaler deployment."
 }
 
+variable "cluster_autoscaler_server_creation_timeout" {
+  type        = string
+  description = "Timeout (in minutes) until which a newly created server/node has to come available before giving up and destroying it (defaults to 5min)"
+}
+
 variable "autoscaler_nodepools" {
   description = "Cluster autoscaler nodepools."
   type = list(object({