Terraform module to provision an AWS Fargate Profile and Fargate Pod Execution Role for EKS.

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Introduction

By default, this module will provision an AWS Fargate Profile and Fargate Pod Execution Role for EKS.

Note that in general, you only need one Fargate Pod Execution Role per AWS account, and it can be shared across regions. So if you are creating multiple Faragte Profiles, you can reuse the role created by the first one, or instantiate this module with fargate_profile_enabled = false to create the role separate from the profile.

Usage

For a complete example, see examples/complete.

For automated tests of the complete example using bats and Terratest (which tests and deploys the example on AWS), see test.

  module "label" {
    source  = "cloudposse/label/null"
    version = "0.25.0"
  
    # This is the preferred way to add attributes. It will put "cluster" last
    # after any attributes set in `var.attributes` or `context.attributes`.
    # In this case, we do not care, because we are only using this instance
    # of this module to create tags.
    attributes = ["cluster"]
  
    context = module.this.context
  }
  
  locals {
    tags = try(merge(module.label.tags, tomap("kubernetes.io/cluster/${module.label.id}", "shared")), null)
    
    eks_worker_ami_name_filter = "amazon-eks-node-${var.kubernetes_version}*"
  
    allow_all_ingress_rule = {
      key              = "allow_all_ingress"
      type             = "ingress"
      from_port        = 0
      to_port          = 0 # [sic] from and to port ignored when protocol is "-1", warning if not zero
      protocol         = "-1"
      description      = "Allow all ingress"
      cidr_blocks      = ["0.0.0.0/0"]
      ipv6_cidr_blocks = ["::/0"]
    }
  
    allow_http_ingress_rule = {
      key              = "http"
      type             = "ingress"
      from_port        = 80
      to_port          = 80
      protocol         = "tcp"
      description      = "Allow HTTP ingress"
      cidr_blocks      = ["0.0.0.0/0"]
      ipv6_cidr_blocks = ["::/0"]
    }
  
    extra_policy_arn = "arn:aws:iam::aws:policy/job-function/ViewOnlyAccess"
  }
  
  module "vpc" {
    source  = "cloudposse/vpc/aws"
    version = "1.1.0"
  
    cidr_block = var.vpc_cidr_block
    tags       = local.tags
  
    context = module.this.context
  }
  
  module "subnets" {
    source  = "cloudposse/dynamic-subnets/aws"
    version = "1.0.0"
  
    availability_zones   = var.availability_zones
    vpc_id               = module.vpc.vpc_id
    igw_id               = module.vpc.igw_id
    cidr_block           = module.vpc.vpc_cidr_block
    nat_gateway_enabled  = true
    nat_instance_enabled = false
    tags                 = local.tags
  
    context = module.this.context
  }
  
  module "ssh_source_access" {
    source  = "cloudposse/security-group/aws"
    version = "1.0.1"
  
    attributes                 = ["ssh", "source"]
    security_group_description = "Test source security group ssh access only"
    create_before_destroy      = true
    allow_all_egress           = true
  
    rules = [local.allow_all_ingress_rule]
  
    vpc_id = module.vpc.vpc_id
  
    context = module.label.context
  }
  
  module "https_sg" {
    source  = "cloudposse/security-group/aws"
    version = "1.0.1"
  
    attributes                 = ["http"]
    security_group_description = "Allow http access"
    create_before_destroy      = true
    allow_all_egress           = true
  
    rules = [local.allow_http_ingress_rule]
  
    vpc_id = module.vpc.vpc_id
  
    context = module.label.context
  }
  
  module "eks_cluster" {
    source  = "cloudposse/eks-cluster/aws"
    version = "2.2.0"
  
    region                       = var.region
    vpc_id                       = module.vpc.vpc_id
    subnet_ids                   = module.subnets.public_subnet_ids
    kubernetes_version           = var.kubernetes_version
    local_exec_interpreter       = var.local_exec_interpreter
    oidc_provider_enabled        = var.oidc_provider_enabled
    enabled_cluster_log_types    = var.enabled_cluster_log_types
    cluster_log_retention_period = var.cluster_log_retention_period
  
    # data auth has problems destroying the auth-map
    kube_data_auth_enabled = false
    kube_exec_auth_enabled = true
  
    context = module.this.context
  }
  
  module "eks_node_group" {
    source  = "cloudposse/eks-node-group/aws"
    version = "2.4.0"
  
    subnet_ids                    = module.subnets.public_subnet_ids
    cluster_name                  = module.eks_cluster.eks_cluster_id
    instance_types                = var.instance_types
    desired_size                  = var.desired_size
    min_size                      = var.min_size
    max_size                      = var.max_size
    kubernetes_version            = [var.kubernetes_version]
    kubernetes_labels             = merge(var.kubernetes_labels, { attributes = coalesce(join(module.this.delimiter, module.this.attributes), "none") })
    kubernetes_taints             = var.kubernetes_taints
    ec2_ssh_key_name              = var.ec2_ssh_key_name
    ssh_access_security_group_ids = [module.ssh_source_access.id]
    associated_security_group_ids = [module.ssh_source_access.id, module.https_sg.id]
    node_role_policy_arns         = [local.extra_policy_arn]
    update_config                 = var.update_config
  
    after_cluster_joining_userdata = var.after_cluster_joining_userdata
  
    ami_type            = var.ami_type
    ami_release_version = var.ami_release_version
  
    before_cluster_joining_userdata = [var.before_cluster_joining_userdata]
  
    context = module.this.context
  
    # Ensure ordering of resource creation to eliminate the race conditions when applying the Kubernetes Auth ConfigMap.
    # Do not create Node Group before the EKS cluster is created and the `aws-auth` Kubernetes ConfigMap is applied.
    depends_on = [module.eks_cluster, module.eks_cluster.kubernetes_config_map_id]
  
    create_before_destroy = true
  
    node_group_terraform_timeouts = [{
      create = "40m"
      update = null
      delete = "20m"
    }]
  }
  
  module "eks_fargate_profile" {
    source  = "cloudposse/eks-fargate-profile/aws"
    version = "x.x.x"
  
    subnet_ids                              = module.subnets.public_subnet_ids
    cluster_name                            = module.eks_cluster.eks_cluster_id
    kubernetes_namespace                    = var.kubernetes_namespace
    kubernetes_labels                       = var.kubernetes_labels
    iam_role_kubernetes_namespace_delimiter = var.iam_role_kubernetes_namespace_delimiter
  
    context = module.this.context
  }

Important

In Cloud Posse's examples, we avoid pinning modules to specific versions to prevent discrepancies between the documentation and the latest released versions. However, for your own projects, we strongly advise pinning each module to the exact version you're using. This practice ensures the stability of your infrastructure. Additionally, we recommend implementing a systematic approach for updating versions to avoid unexpected changes.

Makefile Targets

Available targets:

  help                                Help screen
  help/all                            Display help for all targets
  help/short                          This help short screen
  lint                                Lint terraform code

Requirements

Name	Version
terraform	>= 1.0.0
aws	>= 3.71.0

Providers

Name	Version
aws	>= 3.71.0

Modules

Name	Source	Version
fargate_profile_label	cloudposse/label/null	0.25.0
role_label	cloudposse/label/null	0.25.0
this	cloudposse/label/null	0.25.0

Resources

Name	Type
aws_eks_fargate_profile.default	resource
aws_iam_role.default	resource
aws_iam_role_policy_attachment.amazon_eks_fargate_pod_execution_role_policy	resource
aws_iam_policy_document.assume_role	data source
aws_partition.current	data source

Inputs

Name	Description	Type	Default	Required
additional_tag_map	Additional key-value pairs to add to each map in `tags_as_list_of_maps`. Not added to `tags` or `id`. This is for some rare cases where resources want additional configuration of tags and therefore take a list of maps with tag key, value, and additional configuration.	`map(string)`	`{}`	no
attributes	ID element. Additional attributes (e.g. `workers` or `cluster`) to add to `id`, in the order they appear in the list. New attributes are appended to the end of the list. The elements of the list are joined by the `delimiter` and treated as a single ID element.	`list(string)`	`[]`	no
cluster_name	The name of the EKS cluster	`string`	`""`	no
context	Single object for setting entire context at once. See description of individual variables for details. Leave string and numeric variables as `null` to use default value. Individual variable settings (non-null) override settings in context object, except for attributes, tags, and additional_tag_map, which are merged.	`any`	{ "additional_tag_map": {}, "attributes": [], "delimiter": null, "descriptor_formats": {}, "enabled": true, "environment": null, "id_length_limit": null, "label_key_case": null, "label_order": [], "label_value_case": null, "labels_as_tags": [ "unset" ], "name": null, "namespace": null, "regex_replace_chars": null, "stage": null, "tags": {}, "tenant": null }	no
delimiter	Delimiter to be used between ID elements. Defaults to `-` (hyphen). Set to `""` to use no delimiter at all.	`string`	`null`	no
descriptor_formats	Describe additional descriptors to be output in the `descriptors` output map. Map of maps. Keys are names of descriptors. Values are maps of the form `{<br/> format = string<br/> labels = list(string)<br/>}` (Type is `any` so the map values can later be enhanced to provide additional options.) `format` is a Terraform format string to be passed to the `format()` function. `labels` is a list of labels, in order, to pass to `format()` function. Label values will be normalized before being passed to `format()` so they will be identical to how they appear in `id`. Default is `{}` (`descriptors` output will be empty).	`any`	`{}`	no
enabled	Set to false to prevent the module from creating any resources	`bool`	`null`	no
environment	ID element. Usually used for region e.g. 'uw2', 'us-west-2', OR role 'prod', 'staging', 'dev', 'UAT'	`string`	`null`	no
fargate_pod_execution_role_arn	ARN of the Fargate Pod Execution Role. Required if `fargate_pod_execution_role_enabled` is `false`, otherwise ignored.	`string`	`null`	no
fargate_pod_execution_role_enabled	Set false to disable the Fargate Pod Execution Role creation	`bool`	`true`	no
fargate_pod_execution_role_name	Fargate Pod Execution Role name. If not provided, will be derived from the context	`string`	`null`	no
fargate_profile_enabled	Set false to disable the Fargate Profile creation	`bool`	`true`	no
fargate_profile_iam_role_name	DEPRECATED (use `fargate_pod_execution_role_name` instead): Fargate profile IAM role name. If not provided, will be derived from the context	`string`	`null`	no
fargate_profile_name	Fargate profile name. If not provided, will be derived from the context	`string`	`null`	no
iam_role_kubernetes_namespace_delimiter	Delimiter for the Kubernetes namespace in the IAM Role name	`string`	`"-"`	no
id_length_limit	Limit `id` to this many characters (minimum 6). Set to `0` for unlimited length. Set to `null` for keep the existing setting, which defaults to `0`. Does not affect `id_full`.	`number`	`null`	no
kubernetes_labels	Key-value mapping of Kubernetes labels for selection	`map(string)`	`{}`	no
kubernetes_namespace	Kubernetes namespace for selection	`string`	`""`	no
label_key_case	Controls the letter case of the `tags` keys (label names) for tags generated by this module. Does not affect keys of tags passed in via the `tags` input. Possible values: `lower`, `title`, `upper`. Default value: `title`.	`string`	`null`	no
label_order	The order in which the labels (ID elements) appear in the `id`. Defaults to ["namespace", "environment", "stage", "name", "attributes"]. You can omit any of the 6 labels ("tenant" is the 6th), but at least one must be present.	`list(string)`	`null`	no
label_value_case	Controls the letter case of ID elements (labels) as included in `id`, set as tag values, and output by this module individually. Does not affect values of tags passed in via the `tags` input. Possible values: `lower`, `title`, `upper` and `none` (no transformation). Set this to `title` and set `delimiter` to `""` to yield Pascal Case IDs. Default value: `lower`.	`string`	`null`	no
labels_as_tags	Set of labels (ID elements) to include as tags in the `tags` output. Default is to include all labels. Tags with empty values will not be included in the `tags` output. Set to `[]` to suppress all generated tags. Notes: The value of the `name` tag, if included, will be the `id`, not the `name`. Unlike other `null-label` inputs, the initial setting of `labels_as_tags` cannot be changed in later chained modules. Attempts to change it will be silently ignored.	`set(string)`	[ "default" ]	no
name	ID element. Usually the component or solution name, e.g. 'app' or 'jenkins'. This is the only ID element not also included as a `tag`. The "name" tag is set to the full `id` string. There is no tag with the value of the `name` input.	`string`	`null`	no
namespace	ID element. Usually an abbreviation of your organization name, e.g. 'eg' or 'cp', to help ensure generated IDs are globally unique	`string`	`null`	no
permissions_boundary	If provided, all IAM roles will be created with this permissions boundary attached	`string`	`null`	no
regex_replace_chars	Terraform regular expression (regex) string. Characters matching the regex will be removed from the ID elements. If not set, `"/[^a-zA-Z0-9-]/"` is used to remove all characters other than hyphens, letters and digits.	`string`	`null`	no
stage	ID element. Usually used to indicate role, e.g. 'prod', 'staging', 'source', 'build', 'test', 'deploy', 'release'	`string`	`null`	no
subnet_ids	Identifiers of private EC2 Subnets to associate with the EKS Fargate Profile. These subnets must have the following resource tag: kubernetes.io/cluster/CLUSTER_NAME (where CLUSTER_NAME is replaced with the name of the EKS Cluster)	`list(string)`	`[]`	no
tags	Additional tags (e.g. `{'BusinessUnit': 'XYZ'}`). Neither the tag keys nor the tag values will be modified by this module.	`map(string)`	`{}`	no
tenant	ID element _(Rarely used, not included by default)_. A customer identifier, indicating who this instance of a resource is for	`string`	`null`	no

Outputs

Name	Description
eks_fargate_pod_execution_role_arn	ARN of the EKS Fargate Pod Execution role
eks_fargate_pod_execution_role_name	Name of the EKS Fargate Pod Execution role
eks_fargate_profile_arn	Amazon Resource Name (ARN) of the EKS Fargate Profile
eks_fargate_profile_id	EKS Cluster name and EKS Fargate Profile name separated by a colon
eks_fargate_profile_role_arn	DEPRECATED (use `eks_fargate_pod_execution_role_arn` instead): ARN of the EKS Fargate Profile IAM role
eks_fargate_profile_role_name	DEPRECATED (use `eks_fargate_pod_execution_role_name` instead): Name of the EKS Fargate Profile IAM role
eks_fargate_profile_status	Status of the EKS Fargate Profile

Related Projects

Check out these related projects.

terraform-aws-eks-cluster - Terraform module to provision an EKS cluster on AWS
terraform-aws-eks-node-group - Terraform module to provision an EKS Node Group
terraform-aws-eks-workers - Terraform module to provision an AWS AutoScaling Group, IAM Role, and Security Group for EKS Workers
terraform-aws-ec2-autoscale-group - Terraform module to provision Auto Scaling Group and Launch Template on AWS
terraform-aws-ecs-container-definition - Terraform module to generate well-formed JSON documents (container definitions) that are passed to the aws_ecs_task_definition Terraform resource
terraform-aws-ecs-alb-service-task - Terraform module which implements an ECS service which exposes a web service via ALB
terraform-aws-ecs-web-app - Terraform module that implements a web app on ECS and supports autoscaling, CI/CD, monitoring, ALB integration, and much more
terraform-aws-ecs-codepipeline - Terraform module for CI/CD with AWS Code Pipeline and Code Build for ECS
terraform-aws-ecs-cloudwatch-autoscaling - Terraform module to autoscale ECS Service based on CloudWatch metrics
terraform-aws-ecs-cloudwatch-sns-alarms - Terraform module to create CloudWatch Alarms on ECS Service level metrics
terraform-aws-ec2-instance - Terraform module for providing a general purpose EC2 instance
terraform-aws-ec2-instance-group - Terraform module for provisioning multiple general purpose EC2 hosts for stateful applications

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README.md

README.md

👽 Use Atmos with Terraform

Introduction

Usage

Makefile Targets

Requirements

Providers

Modules

Resources

Inputs

Outputs

Related Projects

Use Terraform Reference Architectures for AWS

Day-0: Your Foundation for Success

Day-2: Your Operational Mastery

✨ Contributing

🌎 Slack Community

📰 Newsletter

📆 Office Hours

License

Trademarks

Files

README.md

Latest commit

History

README.md

File metadata and controls

👽 Use Atmos with Terraform

Introduction

Usage

Makefile Targets

Requirements

Providers

Modules

Resources

Inputs

Outputs

Related Projects

Use Terraform Reference Architectures for AWS

Day-0: Your Foundation for Success

Day-2: Your Operational Mastery

✨ Contributing

🌎 Slack Community

📰 Newsletter

📆 Office Hours

License

Trademarks