terraform-aws-eks/modules/_user_data/README.md

# User Data Module

Configuration in this directory renders the appropriate user data for the given inputs. See [`docs/user_data.md`](https://github.com/terraform-aws-modules/terraform-aws-eks/blob/master/docs/user_data.md) for more info.

See [`tests/user-data/`](https://github.com/terraform-aws-modules/terraform-aws-eks/tree/master/tests/user-data) for various tests cases using this module.

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## Requirements

| Name | Version |
|------|---------|
| <a name="requirement_terraform"></a> [terraform](#requirement\_terraform) | >= 1.3.2 |
| <a name="requirement_cloudinit"></a> [cloudinit](#requirement\_cloudinit) | >= 2.0 |
| <a name="requirement_null"></a> [null](#requirement\_null) | >= 3.0 |

## Providers

| Name | Version |
|------|---------|
| <a name="provider_cloudinit"></a> [cloudinit](#provider\_cloudinit) | >= 2.0 |
| <a name="provider_null"></a> [null](#provider\_null) | >= 3.0 |

## Modules

No modules.

## Resources

| Name | Type |
|------|------|
| [null_resource.validate_cluster_service_cidr](https://registry.terraform.io/providers/hashicorp/null/latest/docs/resources/resource) | resource |
| [cloudinit_config.al2023_eks_managed_node_group](https://registry.terraform.io/providers/hashicorp/cloudinit/latest/docs/data-sources/config) | data source |
| [cloudinit_config.linux_eks_managed_node_group](https://registry.terraform.io/providers/hashicorp/cloudinit/latest/docs/data-sources/config) | data source |

## Inputs

| Name | Description | Type | Default | Required |
|------|-------------|------|---------|:--------:|
| <a name="input_additional_cluster_dns_ips"></a> [additional\_cluster\_dns\_ips](#input\_additional\_cluster\_dns\_ips) | Additional DNS IP addresses to use for the cluster. Only used when `ami_type` = `BOTTLEROCKET_*` | `list(string)` | `[]` | no |
| <a name="input_ami_type"></a> [ami\_type](#input\_ami\_type) | Type of Amazon Machine Image (AMI) associated with the EKS Node Group. See the [AWS documentation](https://docs.aws.amazon.com/eks/latest/APIReference/API_Nodegroup.html#AmazonEKS-Type-Nodegroup-amiType) for valid values | `string` | `null` | no |
| <a name="input_bootstrap_extra_args"></a> [bootstrap\_extra\_args](#input\_bootstrap\_extra\_args) | Additional arguments passed to the bootstrap script. When `ami_type` = `BOTTLEROCKET_*`; these are additional [settings](https://github.com/bottlerocket-os/bottlerocket#settings) that are provided to the Bottlerocket user data | `string` | `""` | no |
| <a name="input_cloudinit_post_nodeadm"></a> [cloudinit\_post\_nodeadm](#input\_cloudinit\_post\_nodeadm) | Array of cloud-init document parts that are created after the nodeadm document part | <pre>list(object({<br/>    content      = string<br/>    content_type = optional(string)<br/>    filename     = optional(string)<br/>    merge_type   = optional(string)<br/>  }))</pre> | `[]` | no |
| <a name="input_cloudinit_pre_nodeadm"></a> [cloudinit\_pre\_nodeadm](#input\_cloudinit\_pre\_nodeadm) | Array of cloud-init document parts that are created before the nodeadm document part | <pre>list(object({<br/>    content      = string<br/>    content_type = optional(string)<br/>    filename     = optional(string)<br/>    merge_type   = optional(string)<br/>  }))</pre> | `[]` | no |
| <a name="input_cluster_auth_base64"></a> [cluster\_auth\_base64](#input\_cluster\_auth\_base64) | Base64 encoded CA of associated EKS cluster | `string` | `""` | no |
| <a name="input_cluster_endpoint"></a> [cluster\_endpoint](#input\_cluster\_endpoint) | Endpoint of associated EKS cluster | `string` | `""` | no |
| <a name="input_cluster_ip_family"></a> [cluster\_ip\_family](#input\_cluster\_ip\_family) | The IP family used to assign Kubernetes pod and service addresses. Valid values are `ipv4` (default) and `ipv6` | `string` | `"ipv4"` | no |
| <a name="input_cluster_name"></a> [cluster\_name](#input\_cluster\_name) | Name of the EKS cluster | `string` | `""` | no |
| <a name="input_cluster_service_cidr"></a> [cluster\_service\_cidr](#input\_cluster\_service\_cidr) | The CIDR block (IPv4 or IPv6) used by the cluster to assign Kubernetes service IP addresses. This is derived from the cluster itself | `string` | `""` | no |
| <a name="input_cluster_service_ipv4_cidr"></a> [cluster\_service\_ipv4\_cidr](#input\_cluster\_service\_ipv4\_cidr) | [Deprecated] The CIDR block to assign Kubernetes service IP addresses from. If you don't specify a block, Kubernetes assigns addresses from either the 10.100.0.0/16 or 172.20.0.0/16 CIDR blocks | `string` | `null` | no |
| <a name="input_create"></a> [create](#input\_create) | Determines whether to create user-data or not | `bool` | `true` | no |
| <a name="input_enable_bootstrap_user_data"></a> [enable\_bootstrap\_user\_data](#input\_enable\_bootstrap\_user\_data) | Determines whether the bootstrap configurations are populated within the user data template | `bool` | `false` | no |
| <a name="input_is_eks_managed_node_group"></a> [is\_eks\_managed\_node\_group](#input\_is\_eks\_managed\_node\_group) | Determines whether the user data is used on nodes in an EKS managed node group. Used to determine if user data will be appended or not | `bool` | `true` | no |
| <a name="input_platform"></a> [platform](#input\_platform) | [DEPRECATED - use `ami_type` instead. Will be removed in `v21.0`] Identifies the OS platform as `bottlerocket`, `linux` (AL2), `al2023`, or `windows` | `string` | `"linux"` | no |
| <a name="input_post_bootstrap_user_data"></a> [post\_bootstrap\_user\_data](#input\_post\_bootstrap\_user\_data) | User data that is appended to the user data script after of the EKS bootstrap script. Not used when `ami_type` = `BOTTLEROCKET_*` | `string` | `""` | no |
| <a name="input_pre_bootstrap_user_data"></a> [pre\_bootstrap\_user\_data](#input\_pre\_bootstrap\_user\_data) | User data that is injected into the user data script ahead of the EKS bootstrap script. Not used when `ami_type` = `BOTTLEROCKET_*` | `string` | `""` | no |
| <a name="input_user_data_template_path"></a> [user\_data\_template\_path](#input\_user\_data\_template\_path) | Path to a local, custom user data template file to use when rendering user data | `string` | `""` | no |

## Outputs

| Name | Description |
|------|-------------|
| <a name="output_platform"></a> [platform](#output\_platform) | [DEPRECATED - Will be removed in `v21.0`] Identifies the OS platform as `bottlerocket`, `linux` (AL2), `al2023, or `windows |
| <a name="output_user_data"></a> [user\_data](#output\_user\_data) | Base64 encoded user data rendered for the provided inputs |
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