Merge pull request #1521 from kube-hetzner/docs/update-

[AUTO] Update Terraform Documentation

Author: mysticaltech

docs/terraform.md

@@ -60,6 +60,7 @@
 | [local_sensitive_file.kubeconfig](https://registry.terraform.io/providers/hashicorp/local/latest/docs/resources/sensitive_file) | resource |
 | [null_resource.agent_config](https://registry.terraform.io/providers/hashicorp/null/latest/docs/resources/resource) | resource |
 | [null_resource.agents](https://registry.terraform.io/providers/hashicorp/null/latest/docs/resources/resource) | resource |
+| [null_resource.authentication_config](https://registry.terraform.io/providers/hashicorp/null/latest/docs/resources/resource) | resource |
 | [null_resource.autoscaled_nodes_registries](https://registry.terraform.io/providers/hashicorp/null/latest/docs/resources/resource) | resource |
 | [null_resource.configure_autoscaler](https://registry.terraform.io/providers/hashicorp/null/latest/docs/resources/resource) | resource |
 | [null_resource.configure_floating_ip](https://registry.terraform.io/providers/hashicorp/null/latest/docs/resources/resource) | resource |
@@ -95,6 +96,7 @@
 | <a name="input_agent_nodepools"></a> [agent\_nodepools](#input\_agent\_nodepools) | Number of agent nodes. | <pre>list(object({<br/>    name                       = string<br/>    server_type                = string<br/>    location                   = string<br/>    backups                    = optional(bool)<br/>    floating_ip                = optional(bool)<br/>    labels                     = list(string)<br/>    taints                     = list(string)<br/>    longhorn_volume_size       = optional(number)<br/>    swap_size                  = optional(string, "")<br/>    zram_size                  = optional(string, "")<br/>    kubelet_args               = optional(list(string), ["kube-reserved=cpu=50m,memory=300Mi,ephemeral-storage=1Gi", "system-reserved=cpu=250m,memory=300Mi"])<br/>    selinux                    = optional(bool, true)<br/>    placement_group_compat_idx = optional(number, 0)<br/>    placement_group            = optional(string, null)<br/>    count                      = optional(number, null)<br/>    nodes = optional(map(object({<br/>      server_type                = optional(string)<br/>      location                   = optional(string)<br/>      backups                    = optional(bool)<br/>      floating_ip                = optional(bool)<br/>      labels                     = optional(list(string))<br/>      taints                     = optional(list(string))<br/>      longhorn_volume_size       = optional(number)<br/>      swap_size                  = optional(string, "")<br/>      zram_size                  = optional(string, "")<br/>      kubelet_args               = optional(list(string), ["kube-reserved=cpu=50m,memory=300Mi,ephemeral-storage=1Gi", "system-reserved=cpu=250m,memory=300Mi"])<br/>      selinux                    = optional(bool, true)<br/>      placement_group_compat_idx = optional(number, 0)<br/>      placement_group            = optional(string, null)<br/>      append_index_to_node_name  = optional(bool, true)<br/>    })))<br/>  }))</pre> | `[]` | no |
 | <a name="input_agent_nodes_custom_config"></a> [agent\_nodes\_custom\_config](#input\_agent\_nodes\_custom\_config) | Custom agent nodes configuration. | `any` | `{}` | no |
 | <a name="input_allow_scheduling_on_control_plane"></a> [allow\_scheduling\_on\_control\_plane](#input\_allow\_scheduling\_on\_control\_plane) | Whether to allow non-control-plane workloads to run on the control-plane nodes. | `bool` | `false` | no |
+| <a name="input_authentication_config"></a> [authentication\_config](#input\_authentication\_config) | Strucutred authentication configuration. This can be used to define external authentication providers. | `string` | `""` | no |
 | <a name="input_automatically_upgrade_k3s"></a> [automatically\_upgrade\_k3s](#input\_automatically\_upgrade\_k3s) | Whether to automatically upgrade k3s based on the selected channel. | `bool` | `true` | no |
 | <a name="input_automatically_upgrade_os"></a> [automatically\_upgrade\_os](#input\_automatically\_upgrade\_os) | Whether to enable or disable automatic os updates. Defaults to true. Should be disabled for single-node clusters | `bool` | `true` | no |
 | <a name="input_autoscaler_labels"></a> [autoscaler\_labels](#input\_autoscaler\_labels) | Labels for nodes created by the Cluster Autoscaler. | `list(string)` | `[]` | no |
@@ -249,8 +251,8 @@
 | <a name="output_cluster_name"></a> [cluster\_name](#output\_cluster\_name) | Shared suffix for all resources belonging to this cluster. |
 | <a name="output_control_plane_nodes"></a> [control\_plane\_nodes](#output\_control\_plane\_nodes) | The control plane nodes |
 | <a name="output_control_planes_public_ipv4"></a> [control\_planes\_public\_ipv4](#output\_control\_planes\_public\_ipv4) | The public IPv4 addresses of the controlplane servers. |
-| <a name="output_ingress_public_ipv4"></a> [ingress\_public\_ipv4](#output\_ingress\_public\_ipv4) | The public IPv4 address of the Hetzner load balancer |
-| <a name="output_ingress_public_ipv6"></a> [ingress\_public\_ipv6](#output\_ingress\_public\_ipv6) | The public IPv6 address of the Hetzner load balancer |
+| <a name="output_ingress_public_ipv4"></a> [ingress\_public\_ipv4](#output\_ingress\_public\_ipv4) | The public IPv4 address of the Hetzner load balancer (with fallback to first control plane node) |
+| <a name="output_ingress_public_ipv6"></a> [ingress\_public\_ipv6](#output\_ingress\_public\_ipv6) | The public IPv6 address of the Hetzner load balancer (with fallback to first control plane node) |
 | <a name="output_k3s_endpoint"></a> [k3s\_endpoint](#output\_k3s\_endpoint) | A controller endpoint to register new nodes |
 | <a name="output_k3s_token"></a> [k3s\_token](#output\_k3s\_token) | The k3s token to register new nodes |
 | <a name="output_kubeconfig"></a> [kubeconfig](#output\_kubeconfig) | Kubeconfig file content with external IP address |