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terraform-aws-modules/terraform-aws-eks: Terraform module to create an Elastic K ...

原作者: [db:作者] 来自: 网络 收藏 邀请

开源软件名称（OpenSource Name）：

terraform-aws-modules/terraform-aws-eks

开源软件地址(OpenSource Url)：

https://github.com/terraform-aws-modules/terraform-aws-eks

开源编程语言(OpenSource Language)：

HCL 98.8%

开源软件介绍(OpenSource Introduction)：

AWS EKS Terraform module

Terraform module which creates AWS EKS (Kubernetes) resources

SWUbanner

Documentation

External Documentation

Please note that we strive to provide a comprehensive suite of documentation for configuring and utilizing the module(s) defined here, and that documentation regarding EKS (including EKS managed node group, self managed node group, and Fargate profile) and/or Kubernetes features, usage, etc. are better left up to their respective sources:

Available Features

  • AWS EKS Cluster Addons
  • AWS EKS Identity Provider Configuration
  • All node types are supported:
  • Support for custom AMI, custom launch template, and custom user data including custom user data template
  • Support for Amazon Linux 2 EKS Optimized AMI and Bottlerocket nodes
    • Windows based node support is limited to a default user data template that is provided due to the lack of Windows support and manual steps required to provision Windows based EKS nodes
  • Support for module created security group, bring your own security groups, as well as adding additional security group rules to the module created security group(s)
  • Support for creating node groups/profiles separate from the cluster through the use of sub-modules (same as what is used by root module)
  • Support for node group/profile "default" settings - useful for when creating multiple node groups/Fargate profiles where you want to set a common set of configurations once, and then individually control only select features on certain node groups/profiles

IRSA Terraform Module

An IAM role for service accounts (IRSA) sub-module has been created to make deploying common addons/controllers easier. Instead of users having to create a custom IAM role with the necessary federated role assumption required for IRSA plus find and craft the associated policy required for the addon/controller, users can create the IRSA role and policy with a few lines of code. See the terraform-aws-iam/examples/iam-role-for-service-accounts directory for examples on how to use the IRSA sub-module in conjunction with this (terraform-aws-eks) module.

Some of the addon/controller policies that are currently supported include:

See terraform-aws-iam/modules/iam-role-for-service-accounts for current list of supported addon/controller policies as more are added to the project.

Usage

module "eks" {
  source  = "terraform-aws-modules/eks/aws"
  version = "~> 18.0"

  cluster_name    = "my-cluster"
  cluster_version = "1.22"

  cluster_endpoint_private_access = true
  cluster_endpoint_public_access  = true

  cluster_addons = {
    coredns = {
      resolve_conflicts = "OVERWRITE"
    }
    kube-proxy = {}
    vpc-cni = {
      resolve_conflicts = "OVERWRITE"
    }
  }

  cluster_encryption_config = [{
    provider_key_arn = "arn:aws:kms:eu-west-1:111122223333:key/1234abcd-12ab-34cd-56ef-1234567890ab"
    resources        = ["secrets"]
  }]

  vpc_id     = "vpc-1234556abcdef"
  subnet_ids = ["subnet-abcde012", "subnet-bcde012a", "subnet-fghi345a"]

  # Self Managed Node Group(s)
  self_managed_node_group_defaults = {
    instance_type                          = "m6i.large"
    update_launch_template_default_version = true
    iam_role_additional_policies = [
      "arn:aws:iam::aws:policy/AmazonSSMManagedInstanceCore"
    ]
  }

  self_managed_node_groups = {
    one = {
      name         = "mixed-1"
      max_size     = 5
      desired_size = 2

      use_mixed_instances_policy = true
      mixed_instances_policy = {
        instances_distribution = {
          on_demand_base_capacity                  = 0
          on_demand_percentage_above_base_capacity = 10
          spot_allocation_strategy                 = "capacity-optimized"
        }

        override = [
          {
            instance_type     = "m5.large"
            weighted_capacity = "1"
          },
          {
            instance_type     = "m6i.large"
            weighted_capacity = "2"
          },
        ]
      }
    }
  }

  # EKS Managed Node Group(s)
  eks_managed_node_group_defaults = {
    disk_size      = 50
    instance_types = ["m6i.large", "m5.large", "m5n.large", "m5zn.large"]
  }

  eks_managed_node_groups = {
    blue = {}
    green = {
      min_size     = 1
      max_size     = 10
      desired_size = 1

      instance_types = ["t3.large"]
      capacity_type  = "SPOT"
    }
  }

  # Fargate Profile(s)
  fargate_profiles = {
    default = {
      name = "default"
      selectors = [
        {
          namespace = "default"
        }
      ]
    }
  }

  # aws-auth configmap
  manage_aws_auth_configmap = true

  aws_auth_roles = [
    {
      rolearn  = "arn:aws:iam::66666666666:role/role1"
      username = "role1"
      groups   = ["system:masters"]
    },
  ]

  aws_auth_users = [
    {
      userarn  = "arn:aws:iam::66666666666:user/user1"
      username = "user1"
      groups   = ["system:masters"]
    },
    {
      userarn  = "arn:aws:iam::66666666666:user/user2"
      username = "user2"
      groups   = ["system:masters"]
    },
  ]

  aws_auth_accounts = [
    "777777777777",
    "888888888888",
  ]

  tags = {
    Environment = "dev"
    Terraform   = "true"
  }
}

Examples

Contributing

We are grateful to the community for contributing bugfixes and improvements! Please see below to learn how you can take part.

Requirements

Name Version
terraform >= 0.13.1
aws >= 3.72
kubernetes >= 2.10
tls >= 3.0

Providers

Name Version
aws >= 3.72
kubernetes >= 2.10
tls >= 3.0

Modules

Name Source Version
eks_managed_node_group ./modules/eks-managed-node-group n/a
fargate_profile ./modules/fargate-profile n/a
kms terraform-aws-modules/kms/aws 1.0.1
self_managed_node_group ./modules/self-managed-node-group n/a

Resources

Name Type
aws_cloudwatch_log_group.this resource
aws_ec2_tag.cluster_primary_security_group resource
aws_eks_addon.this resource
aws_eks_cluster.this resource
aws_eks_identity_provider_config.this resource
aws_iam_openid_connect_provider.oidc_provider resource
aws_iam_policy.cluster_encryption resource
aws_iam_policy.cni_ipv6_policy resource
aws_iam_role.this resource
aws_iam_role_policy_attachment.cluster_encryption resource
aws_iam_role_policy_attachment.this resource
aws_security_group.cluster resource
aws_security_group.node resource
aws_security_group_rule.cluster resource
aws_security_group_rule.node resource
kubernetes_config_map.aws_auth resource
kubernetes_config_map_v1_data.aws_auth resource
aws_caller_identity.current data source
aws_iam_policy_document.assume_role_policy data source
aws_iam_policy_document.cni_ipv6_policy data source
aws_partition.current data source
tls_certificate.this data source

Inputs

Name Description Type Default Required
attach_cluster_encryption_policy Indicates whether or not to attach an additional policy for the cluster IAM role to utilize the encryption key provided bool true no
aws_auth_accounts List of account maps to add to the aws-auth configmap list(any) [] no
aws_auth_fargate_profile_pod_execution_role_arns List of Fargate profile pod execution role ARNs to add to the aws-auth configmap list(string) [] no
aws_auth_node_iam_role_arns_non_windows List of non-Windows based node IAM role ARNs to add to the aws-auth configmap list(string) [] no
aws_auth_node_iam_role_arns_windows List of Windows based node IAM role ARNs to add to the aws-auth configmap list(string) [] no
aws_auth_roles List of role maps to add to the aws-auth configmap list(any) [] no
aws_auth_users List of user maps to add to the aws-auth configmap list(any) [] no
cloudwatch_log_group_kms_key_id If a KMS Key ARN is set, this key will be used to encrypt the corresponding log group. Please be sure that the KMS Key has an appropriate key policy (https://docs.aws.amazon.com/AmazonCloudWatch/latest/logs/encrypt-log-data-kms.html) string null no
cloudwatch_log_group_retention_in_days Number of days to retain log events. Default retention - 90 days number 90 no
cluster_additional_security_group_ids List of additional, externally created security group IDs to attach to the cluster control plane list(string) [] no
cluster_addons Map of cluster addon configurations to enable for the cluster. Addon name can be the map keys or set with name any {} no
cluster_enabled_log_types A list of the desired control plane logs to enable. For more information, see Amazon EKS Control Plane Logging documentation (https://docs.aws.amazon.com/eks/latest/userguide/control-plane-logs.html) list(string) 
[
  "audit",
  "api",
  "authenticator"
]
 no
cluster_encryption_config Configuration block with encryption configuration for the cluster list(any) [] no
cluster_encryption_policy_description Description of the cluster encryption policy created string "Cluster encryption policy to allow cluster role to utilize CMK provided" no
cluster_encryption_policy_name Name to use on cluster encryption policy created string null no
cluster_encryption_policy_path Cluster encryption policy path string null no
cluster_encryption_policy_tags A map of additional tags to add to the cluster encryption policy created map(string) {} no
cluster_encryption_policy_use_name_prefix Determines whether cluster encryption policy name (cluster_encryption_policy_name) is used as a prefix string true no
cluster_endpoint_private_access Indicates whether or not the Amazon EKS private API server endpoint is enabled bool false no
cluster_endpoint_public_access Indicates whether or not the Amazon EKS public API server endpoint is enabled bool true no
cluster_endpoint_public_access_cidrs List of CIDR blocks which can access the Amazon EKS public API server endpoint list(string) 
[
  "0.0.0.0/0"
]
 no
cluster_iam_role_dns_suffix Base DNS domain name for the current partition (e.g., amazonaws.com in AWS Commercial, amazonaws.com.cn in AWS China) string null no
cluster_identity_providers Map of cluster identity provider configurations to enable for the cluster. Note - this is different/separate from IRSA any {} no
cluster_ip_family The IP family used to assign Kubernetes pod and service addresses. Valid values are ipv4 (default) and ipv6. You can only specify an IP family when you create a cluster, changing this value will force a new cluster to be created string null no
cluster_name Name of the EKS cluster string "" no
cluster_security_group_additional_rules List of additional security group rules to add to the cluster security group created. Set source_node_security_group = true inside rules to set the node_security_group as source any {} no
cluster_security_group_description Description of the cluster security group created string "EKS cluster security group" no
cluster_security_group_id Existing security group ID to be attached to the cluster. Required if create_cluster_security_group = false string "" no
cluster_security_group_name Name to use on cluster security group created string null no
cluster_security_group_tags A map of additional tags to add to the cluster security group created map(string) {} no
cluster_security_group_use_name_prefix Determines whether cluster security group name (cluster_security_group_name) is used as a prefix string true no
cluster_service_ipv4_cidr 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
cluster_tags A map of additional tags to add to the cluster map(string) {} no
cluster_timeouts Create, update, and delete timeout configurations for the cluster map(string) {} no
cluster_version Kubernetes <major>.<minor> version to use for the EKS cluster (i.e.: 1.22) string null no
control_plane_subnet_ids A list of subnet IDs where the EKS cluster control plane (ENIs) will be provisioned. Used for expanding the pool of subnets used by nodes/node groups without replacing the EKS control plane list(string) [] no
create Controls if EKS resources should be created (affects nearly all resources) bool true no
create_aws_auth_configmap Determines whether to create the aws-auth configmap. NOTE - this is only intended for scenarios where the configmap does not exist (i.e. - when using only self-managed node groups). Most users should use manage_aws_auth_configmap bool false no
create_cloudwatch_log_group Determines whether a log group is created by this module for the cluster logs. If not, AWS will automatically create one if logging is enabled bool true no
create_cluster_primary_security_group_tags Indicates whether or not to tag the cluster's primary security group. This security group is created by the EKS service, not the module, and therefore tagging is handled after cluster creation bool true no
create_cluster_security_group Determines if a security group is created for the cluster or use the existing cluster_security_group_id bool true no
create_cni_ipv6_iam_policy Determines whether to create an AmazonEKS_CNI_IPv6_Policy bool false no
create_iam_role Determines whether a an IAM role is created or to use an existing IAM role bool true no
create_kms_key Controls if a KMS key for cluster encryption should be created bool false no
create_node_security_group Determines whether to create a security group for the node groups or use the existing node_security_group_id bool true no
custom_oidc_thumbprints Additional list of server certificate thumbprints for the OpenID Connect (OIDC) identity provider's server certificate(s) list(string) [] no
eks_managed_node_group_defaults Map of EKS managed node group default configurations any {} no
eks_managed_node_groups Map of EKS managed node group definitions to create any {} no
enable_irsa Determines whether to create an OpenID Connect Provider for EKS to enable IRSA bool true no
enable_kms_key_rotation Specifies whether key rotation is enabled. Defaults to true bool true no
fargate_profile_defaults Map of Fargate Profile default configurations any {} no
fargate_profiles Map of Fargate Profile definitions to create any {} no
iam_role_additional_policies Additional policies to be added to the IAM role list(string) [] no
iam_role_arn Existing IAM role ARN for the cluster. Required if create_iam_role is set to false string null no
iam_role_description Description of the role string null no
iam_role_name Name to use on IAM role created string null no
iam_role_path Cluster IAM role path string null no
iam_role_permissions_boundary ARN of the policy that is used to set the permissions boundary for the IAM role string null no
iam_role_tags A map of additional tags to add to the IAM role created map(string) {} no
iam_role_use_name_prefix Determines whether the IAM role name (iam_role_name) is used as a prefix bool true no
kms_key_administrators A list of IAM ARNs for key administrators. If no value is provided, the current caller identity is used to ensure at least one key admin is available list(string) [] no
kms_key_aliases A list of aliases to create. Note - due to the use of toset(), values must be static strings and not computed values list(string) [] no
kms_key_deletion_window_in_days The waiting period, specified in number of days. After the waiting period ends, AWS KMS deletes the KMS key. If you specify a value, it must be between 7 and 30, inclusive. If you do not specify a value, it defaults to 30 number null no
kms_key_description The description of the key as viewed in AWS console string null no
kms_key_enable_default_policy Specifies whether to enable the default key policy. Defaults to true bool false no
kms_key_override_policy_documents List of IAM policy documents that are merged together into the exported document. In merging, statements with non-blank sids will override statements with the same sid list(string) [] no
kms_key_owners A list of IAM ARNs for those who will have full key permissions (kms:*) list(string) [] no
kms_key_service_users A list of IAM ARNs for key service users list(string) [] no
kms_key_source_policy_documents List of IAM policy documents that are merged together into the exported document. Statements must have unique sids list(string) [] no
kms_key_users A list of IAM ARNs for key users list(string) [] no
manage_aws_auth_configmap Determines whether to manage the aws-auth configmap bool false no
node_security_group_additional_rules List of additional security group rules to add to the node security group created. Set source_cluster_security_group = true inside rules to set the cluster_security_group as source any {} no
node_security_group_description Description of the node security group created string "EKS node shared security group" no
node_security_group_id ID of an existing security group to attach to the node groups created string "" no
node_security_group_name Name to use on node security group created string null no
node_security_group_ntp_ipv4_cidr_block IPv4 CIDR block to allow NTP egress. Default is public IP space, but Amazon Time Sync Service can be used as well with ["169.254.169.123/32"] list(string) 
[
  "0.0.0.0/0"
]
 no
node_security_group_ntp_ipv6_cidr_block IPv4 CIDR block to allow NTP egress. Default is public IP space, but Amazon Time Sync Service can be used as well with ["fd00:ec2::123/128"] list(string) 
[
  "::/0"
]
 no
node_security_group_tags A map of additional tags to add to the node security group created map(string) {} no
node_security_group_use_name_prefix Determines whether node security group name (node_security_group_name) is used as a prefix string true no
openid_connect_audiences List of OpenID Connect audience client IDs to add to the IRSA provider list(string) [] no
prefix_separator The separator to use between the prefix and the generated timestamp for resource names string "-" no
putin_khuylo Do you agree that Putin doesn't respect Ukrainian sovereignty and territorial integrity? More info: https://en.wikipedia.org/wiki/Putin_khuylo! bool true no
self_managed_node_group_defaults Map of self-managed node group default configurations any {} no
self_managed_node_groups Map of self-managed node group definitions to create any {} no
subnet_ids A list of subnet IDs where the nodes/node groups will be provisioned. If control_plane_su

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