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main.tf
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#
# Copyright 2023, Seqera Labs
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
#
locals {
kubernetes_host = module.eks.cluster_endpoint
kubernetes_cluster_ca_certificate = try(base64decode(module.eks.cluster_certificate_authority_data), null)
kubernetes_token = try(data.aws_eks_cluster_auth.this[0].token, null)
}
provider "kubernetes" {
host = local.kubernetes_host
cluster_ca_certificate = local.kubernetes_cluster_ca_certificate
token = local.kubernetes_token
}
provider "kubectl" {
apply_retry_count = 5
host = local.kubernetes_host
cluster_ca_certificate = local.kubernetes_cluster_ca_certificate
token = local.kubernetes_token
load_config_file = false
}
provider "helm" {
debug = true
kubernetes {
host = local.kubernetes_host
cluster_ca_certificate = local.kubernetes_cluster_ca_certificate
token = local.kubernetes_token
}
}
data "aws_caller_identity" "current" {}
data "aws_availability_zones" "available" {}
data "aws_eks_cluster_auth" "this" {
count = var.create_eks_cluster ? 1 : 0
name = module.eks.cluster_name
}
locals {
azs = slice(data.aws_availability_zones.available.names, 0, var.num_azs)
intra_subnets = var.create_eks_cluster ? [for k, v in local.azs : cidrsubnet(var.vpc_cidr, 8, k)] : []
database_subnets = var.create_db_cluster ? [for k, v in local.azs : cidrsubnet(var.vpc_cidr, 8, k + 4)] : []
elasticache_subnets = var.create_redis_cluster ? [for k, v in local.azs : cidrsubnet(var.vpc_cidr, 8, k + 8)] : []
private_subnets = [for k, v in local.azs : cidrsubnet(var.vpc_cidr, 8, k + 12)]
public_subnets = [for k, v in local.azs : cidrsubnet(var.vpc_cidr, 8, k + 16)]
}
# This module provisions a VPC (Virtual Private Cloud) in AWS using the terraform-aws-modules' VPC module.
# VPCs provide isolation for AWS resources and allow one to define a network with their own IP address range,
# subnets, internet gateways, route tables, and network gateways.
module "vpc" {
source = "terraform-aws-modules/vpc/aws" # The source from where the module is fetched.
version = "5.4.0" # Specifies the version of the module to use.
# Define the VPC name and CIDR block.
name = var.vpc_name
cidr = var.vpc_cidr
# Enabling or disabling the DNS hostnames and DNS support in the VPC.
enable_dns_hostnames = var.enable_dns_hostnames
enable_dns_support = var.enable_dns_support
# Define the Availability Zones for the VPC and the CIDR blocks for various subnets.
azs = local.azs
private_subnets = local.private_subnets
public_subnets = local.public_subnets
# Conditionally create database and elasticache subnets based on variables.
database_subnets = local.database_subnets
elasticache_subnets = local.elasticache_subnets
intra_subnets = local.intra_subnets
# Tags for the private and public subnets, commonly used for identifying subnets for Kubernetes clusters.
private_subnet_tags = {
"kubernetes.io/cluster/${var.cluster_name}" = "owned"
"kubernetes.io/cluster/CLUSTER_NAME" = var.cluster_name
"kubernetes.io/role/internal-elb" = "1"
}
public_subnet_tags = {
"kubernetes.io/cluster/${var.cluster_name}" = "owned"
"kubernetes.io/cluster/CLUSTER_NAME" = var.cluster_name
"kubernetes.io/role/elb" = "1"
}
# Settings to control the creation of specific subnet groups.
create_database_subnet_group = var.create_db_cluster
create_elasticache_subnet_group = var.create_redis_cluster
create_database_subnet_route_table = var.create_db_cluster
# Whether to create one NAT (Network Address Translation) gateway per availability zone.
one_nat_gateway_per_az = var.one_nat_gateway_per_az
# Controls enabling NAT and VPN gateways.
enable_nat_gateway = var.enable_nat_gateway
enable_vpn_gateway = var.enable_vpn_gateway
# Default tags for VPC resources.
tags = var.default_tags
}
# Using the 'locals' block to define local values or transformations.
# Here, it defines two lists to set roles and users for the AWS EKS (Elastic Kubernetes Service) cluster.
locals {
eks_aws_auth_roles = distinct(flatten(
[
for role in var.eks_aws_auth_roles : [
{
rolearn = role
username = element(split("/", role), 1) # Extracting the username from the role's ARN.
groups = ["system:masters"]
}
]
]
))
eks_aws_auth_users = distinct(flatten(
[
for user in var.eks_aws_auth_users : [
{
userarn = user
username = element(split("/", user), 1) # Extracting the username from the user's ARN.
groups = ["system:masters"]
}
]
]
))
}
# This module provisions an AWS EKS cluster using the terraform-aws-modules' EKS module.
module "eks" {
source = "terraform-aws-modules/eks/aws"
version = "19.21.0" # Specifies the version of the EKS module to use.
create = var.create_eks_cluster
cluster_name = var.cluster_name
cluster_version = var.cluster_version
cluster_endpoint_public_access = var.eks_cluster_endpoint_public_access
cluster_addons = var.eks_cluster_addons
enable_irsa = var.eks_enable_irsa
# Specifying the VPC and subnets where the EKS cluster will reside.
vpc_id = module.vpc.vpc_id
subnet_ids = module.vpc.private_subnets
control_plane_subnet_ids = module.vpc.intra_subnets
# EKS Managed Node Group settings.
eks_managed_node_group_defaults = {
instance_types = var.eks_managed_node_group_defaults_instance_types
iam_role_additional_policies = local.additional_policies
subnet_ids = module.vpc.private_subnets
}
# Definition for specific node groups in the EKS cluster.
eks_managed_node_groups = {
seqera = {
min_size = var.seqera_managed_node_group_min_size
max_size = var.seqera_managed_node_group_max_size
desired_size = var.seqera_managed_node_group_desired_size
instance_types = var.seqera_managed_node_group_defaults_instance_types
iam_role_additional_policies = local.additional_policies
capacity_type = var.seqera_managed_node_group_defaults_capacity_type
subnet_ids = module.vpc.private_subnets
labels = merge(
{ "service" = "seqera" },
var.default_tags,
var.seqera_managed_node_group_labels
)
}
}
iam_role_additional_policies = local.additional_policies
# AWS auth configuration for EKS to specify roles and users.
manage_aws_auth_configmap = var.eks_manage_aws_auth_configmap
aws_auth_roles = local.eks_aws_auth_roles
aws_auth_users = local.eks_aws_auth_users
tags = var.default_tags
}
# A resource to create a Kubernetes namespace.
resource "kubernetes_namespace_v1" "this" {
count = var.create_seqera_namespace && var.create_eks_cluster || var.create_seqera_service_account && var.create_eks_cluster ? 1 : 0
metadata {
name = var.seqera_namespace_name
}
}
# A resource to create a Kubernetes service account within the specified namespace.
resource "kubernetes_service_account_v1" "this" {
count = var.create_seqera_service_account && var.create_eks_cluster ? 1 : 0
metadata {
name = var.seqera_service_account_name
namespace = var.seqera_namespace_name
annotations = {
"eks.amazonaws.com/role-arn" = module.seqera_irsa[0].iam_role_arn
}
}
automount_service_account_token = true
depends_on = [kubernetes_namespace_v1.this] # Ensures the namespace is created before the service account.
}
# DB Secret
resource "kubernetes_secret_v1" "db_app_password" {
count = var.create_db_cluster && var.create_db_password_secret && var.create_eks_cluster ? 1 : 0
metadata {
name = var.db_password_secret_name
namespace = var.seqera_namespace_name
}
data = {
TOWER_DB_PASSWORD = var.db_app_password != "" ? var.db_app_password : random_password.db_app_password[0].result
TOWER_DB_ROOT_PASSWORD = var.db_root_password != "" ? var.db_root_password : random_password.db_root_password[0].result
}
type = "Opaque"
depends_on = [
module.eks
]
}
# Config Map
resource "kubernetes_config_map_v1" "tower_app_configmap" {
count = var.create_db_cluster && var.create_redis_cluster && var.create_tower_app_configmap && var.create_eks_cluster ? 1 : 0
metadata {
name = var.tower_app_configmap_name
namespace = var.seqera_namespace_name
}
data = {
TOWER_DB_URL = "jdbc:mysql://${module.db[0].db_instance_address}:${var.db_port}/${var.db_app_schema_name}?&usePipelineAuth=false&useBatchMultiSend=false"
TOWER_REDIS_URL = "redis://${module.redis[0].endpoint}:${var.redis_port}"
}
depends_on = [
module.db,
module.redis,
module.eks
]
}
## This local is used to control the password values passed to the db setup job.
locals {
db_root_password = try(var.db_root_password != "" ? var.db_root_password : random_password.db_root_password[0].result, "")
db_app_password = try(var.db_app_password != "" ? var.db_app_password : random_password.db_app_password[0].result, "")
}
# A Helm release resource for deploying the AWS cluster autoscaler using the Helm package manager.
resource "helm_release" "aws_cluster_autoscaler" {
count = var.enable_aws_cluster_autoscaler && var.create_eks_cluster ? 1 : 0
name = "aws-cluster-autoscaler"
repository = "https://kubernetes.github.io/autoscaler"
chart = "cluster-autoscaler"
namespace = "kube-system"
version = var.aws_cluster_autoscaler_version
replace = true
atomic = true
wait = true
set {
name = "autoDiscovery.clusterName"
value = module.eks.cluster_name
}
set {
name = "awsRegion"
value = var.region
}
depends_on = [
module.eks
]
}
# A Helm release resource for deploying the AWS EBS CSI driver using the Helm package manager.
resource "helm_release" "aws-ebs-csi-driver" {
count = var.enable_aws_ebs_csi_driver && var.create_eks_cluster ? 1 : 0
name = "aws-ebs-csi-driver"
repository = "https://kubernetes-sigs.github.io/aws-ebs-csi-driver/"
chart = "aws-ebs-csi-driver"
namespace = "kube-system"
version = var.aws_ebs_csi_driver_version
replace = true
atomic = true
wait = true
depends_on = [
module.eks,
module.aws_ebs_csi_driver_iam_policy
]
}
# Customer Resource Definition (CRD) for the AWS Load Balancer Controller.
resource "kubectl_manifest" "aws_loadbalancer_controller_crd" {
count = var.enable_aws_loadbalancer_controller && var.create_eks_cluster ? 1 : 0
yaml_body = <<YAML
apiVersion: apiextensions.k8s.io/v1
kind: CustomResourceDefinition
metadata:
annotations:
controller-gen.kubebuilder.io/version: v0.11.1
creationTimestamp: null
name: ingressclassparams.elbv2.k8s.aws
spec:
group: elbv2.k8s.aws
names:
kind: IngressClassParams
listKind: IngressClassParamsList
plural: ingressclassparams
singular: ingressclassparams
scope: Cluster
versions:
- additionalPrinterColumns:
- description: The Ingress Group name
jsonPath: .spec.group.name
name: GROUP-NAME
type: string
- description: The AWS Load Balancer scheme
jsonPath: .spec.scheme
name: SCHEME
type: string
- description: The AWS Load Balancer ipAddressType
jsonPath: .spec.ipAddressType
name: IP-ADDRESS-TYPE
type: string
- jsonPath: .metadata.creationTimestamp
name: AGE
type: date
name: v1beta1
schema:
openAPIV3Schema:
description: IngressClassParams is the Schema for the IngressClassParams API
properties:
apiVersion:
description: 'APIVersion defines the versioned schema of this representation
of an object. Servers should convert recognized schemas to the latest
internal value, and may reject unrecognized values. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#resources'
type: string
kind:
description: 'Kind is a string value representing the REST resource this
object represents. Servers may infer this from the endpoint the client
submits requests to. Cannot be updated. In CamelCase. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#types-kinds'
type: string
metadata:
type: object
spec:
description: IngressClassParamsSpec defines the desired state of IngressClassParams
properties:
group:
description: Group defines the IngressGroup for all Ingresses that
belong to IngressClass with this IngressClassParams.
properties:
name:
description: Name is the name of IngressGroup.
type: string
required:
- name
type: object
inboundCIDRs:
description: InboundCIDRs specifies the CIDRs that are allowed to
access the Ingresses that belong to IngressClass with this IngressClassParams.
items:
type: string
type: array
ipAddressType:
description: IPAddressType defines the ip address type for all Ingresses
that belong to IngressClass with this IngressClassParams.
enum:
- ipv4
- dualstack
type: string
loadBalancerAttributes:
description: LoadBalancerAttributes define the custom attributes to
LoadBalancers for all Ingress that that belong to IngressClass with
this IngressClassParams.
items:
description: Attributes defines custom attributes on resources.
properties:
key:
description: The key of the attribute.
type: string
value:
description: The value of the attribute.
type: string
required:
- key
- value
type: object
type: array
namespaceSelector:
description: NamespaceSelector restrict the namespaces of Ingresses
that are allowed to specify the IngressClass with this IngressClassParams.
* if absent or present but empty, it selects all namespaces.
properties:
matchExpressions:
description: matchExpressions is a list of label selector requirements.
The requirements are ANDed.
items:
description: A label selector requirement is a selector that
contains values, a key, and an operator that relates the key
and values.
properties:
key:
description: key is the label key that the selector applies
to.
type: string
operator:
description: operator represents a key's relationship to
a set of values. Valid operators are In, NotIn, Exists
and DoesNotExist.
type: string
values:
description: values is an array of string values. If the
operator is In or NotIn, the values array must be non-empty.
If the operator is Exists or DoesNotExist, the values
array must be empty. This array is replaced during a strategic
merge patch.
items:
type: string
type: array
required:
- key
- operator
type: object
type: array
matchLabels:
additionalProperties:
type: string
description: matchLabels is a map of {key,value} pairs. A single
{key,value} in the matchLabels map is equivalent to an element
of matchExpressions, whose key field is "key", the operator
is "In", and the values array contains only "value". The requirements
are ANDed.
type: object
type: object
x-kubernetes-map-type: atomic
scheme:
description: Scheme defines the scheme for all Ingresses that belong
to IngressClass with this IngressClassParams.
enum:
- internal
- internet-facing
type: string
sslPolicy:
description: SSLPolicy specifies the SSL Policy for all Ingresses
that belong to IngressClass with this IngressClassParams.
type: string
subnets:
description: Subnets defines the subnets for all Ingresses that belong
to IngressClass with this IngressClassParams.
properties:
ids:
description: IDs specify the resource IDs of subnets. Exactly
one of this or `tags` must be specified.
items:
description: SubnetID specifies a subnet ID.
pattern: subnet-[0-9a-f]+
type: string
minItems: 1
type: array
tags:
additionalProperties:
items:
type: string
type: array
description: Tags specifies subnets in the load balancer's VPC
where each tag specified in the map key contains one of the
values in the corresponding value list. Exactly one of this
or `ids` must be specified.
type: object
type: object
tags:
description: Tags defines list of Tags on AWS resources provisioned
for Ingresses that belong to IngressClass with this IngressClassParams.
items:
description: Tag defines a AWS Tag on resources.
properties:
key:
description: The key of the tag.
type: string
value:
description: The value of the tag.
type: string
required:
- key
- value
type: object
type: array
type: object
type: object
served: true
storage: true
subresources: {}
---
apiVersion: apiextensions.k8s.io/v1
kind: CustomResourceDefinition
metadata:
annotations:
controller-gen.kubebuilder.io/version: v0.11.1
creationTimestamp: null
name: targetgroupbindings.elbv2.k8s.aws
spec:
group: elbv2.k8s.aws
names:
kind: TargetGroupBinding
listKind: TargetGroupBindingList
plural: targetgroupbindings
singular: targetgroupbinding
scope: Namespaced
versions:
- additionalPrinterColumns:
- description: The Kubernetes Service's name
jsonPath: .spec.serviceRef.name
name: SERVICE-NAME
type: string
- description: The Kubernetes Service's port
jsonPath: .spec.serviceRef.port
name: SERVICE-PORT
type: string
- description: The AWS TargetGroup's TargetType
jsonPath: .spec.targetType
name: TARGET-TYPE
type: string
- description: The AWS TargetGroup's Amazon Resource Name
jsonPath: .spec.targetGroupARN
name: ARN
priority: 1
type: string
- jsonPath: .metadata.creationTimestamp
name: AGE
type: date
name: v1alpha1
schema:
openAPIV3Schema:
description: TargetGroupBinding is the Schema for the TargetGroupBinding API
properties:
apiVersion:
description: 'APIVersion defines the versioned schema of this representation
of an object. Servers should convert recognized schemas to the latest
internal value, and may reject unrecognized values. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#resources'
type: string
kind:
description: 'Kind is a string value representing the REST resource this
object represents. Servers may infer this from the endpoint the client
submits requests to. Cannot be updated. In CamelCase. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#types-kinds'
type: string
metadata:
type: object
spec:
description: TargetGroupBindingSpec defines the desired state of TargetGroupBinding
properties:
networking:
description: networking provides the networking setup for ELBV2 LoadBalancer
to access targets in TargetGroup.
properties:
ingress:
description: List of ingress rules to allow ELBV2 LoadBalancer
to access targets in TargetGroup.
items:
properties:
from:
description: List of peers which should be able to access
the targets in TargetGroup. At least one NetworkingPeer
should be specified.
items:
description: NetworkingPeer defines the source/destination
peer for networking rules.
properties:
ipBlock:
description: IPBlock defines an IPBlock peer. If specified,
none of the other fields can be set.
properties:
cidr:
description: CIDR is the network CIDR. Both IPV4
or IPV6 CIDR are accepted.
type: string
required:
- cidr
type: object
securityGroup:
description: SecurityGroup defines a SecurityGroup
peer. If specified, none of the other fields can
be set.
properties:
groupID:
description: GroupID is the EC2 SecurityGroupID.
type: string
required:
- groupID
type: object
type: object
type: array
ports:
description: List of ports which should be made accessible
on the targets in TargetGroup. If ports is empty or unspecified,
it defaults to all ports with TCP.
items:
properties:
port:
anyOf:
- type: integer
- type: string
description: The port which traffic must match. When
NodePort endpoints(instance TargetType) is used,
this must be a numerical port. When Port endpoints(ip
TargetType) is used, this can be either numerical
or named port on pods. if port is unspecified, it
defaults to all ports.
x-kubernetes-int-or-string: true
protocol:
description: The protocol which traffic must match.
If protocol is unspecified, it defaults to TCP.
enum:
- TCP
- UDP
type: string
type: object
type: array
required:
- from
- ports
type: object
type: array
type: object
serviceRef:
description: serviceRef is a reference to a Kubernetes Service and
ServicePort.
properties:
name:
description: Name is the name of the Service.
type: string
port:
anyOf:
- type: integer
- type: string
description: Port is the port of the ServicePort.
x-kubernetes-int-or-string: true
required:
- name
- port
type: object
targetGroupARN:
description: targetGroupARN is the Amazon Resource Name (ARN) for
the TargetGroup.
type: string
targetType:
description: targetType is the TargetType of TargetGroup. If unspecified,
it will be automatically inferred.
enum:
- instance
- ip
type: string
required:
- serviceRef
- targetGroupARN
type: object
status:
description: TargetGroupBindingStatus defines the observed state of TargetGroupBinding
properties:
observedGeneration:
description: The generation observed by the TargetGroupBinding controller.
format: int64
type: integer
type: object
type: object
served: true
storage: false
subresources:
status: {}
- additionalPrinterColumns:
- description: The Kubernetes Service's name
jsonPath: .spec.serviceRef.name
name: SERVICE-NAME
type: string
- description: The Kubernetes Service's port
jsonPath: .spec.serviceRef.port
name: SERVICE-PORT
type: string
- description: The AWS TargetGroup's TargetType
jsonPath: .spec.targetType
name: TARGET-TYPE
type: string
- description: The AWS TargetGroup's Amazon Resource Name
jsonPath: .spec.targetGroupARN
name: ARN
priority: 1
type: string
- jsonPath: .metadata.creationTimestamp
name: AGE
type: date
name: v1beta1
schema:
openAPIV3Schema:
description: TargetGroupBinding is the Schema for the TargetGroupBinding API
properties:
apiVersion:
description: 'APIVersion defines the versioned schema of this representation
of an object. Servers should convert recognized schemas to the latest
internal value, and may reject unrecognized values. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#resources'
type: string
kind:
description: 'Kind is a string value representing the REST resource this
object represents. Servers may infer this from the endpoint the client
submits requests to. Cannot be updated. In CamelCase. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#types-kinds'
type: string
metadata:
type: object
spec:
description: TargetGroupBindingSpec defines the desired state of TargetGroupBinding
properties:
ipAddressType:
description: ipAddressType specifies whether the target group is of
type IPv4 or IPv6. If unspecified, it will be automatically inferred.
enum:
- ipv4
- ipv6
type: string
networking:
description: networking defines the networking rules to allow ELBV2
LoadBalancer to access targets in TargetGroup.
properties:
ingress:
description: List of ingress rules to allow ELBV2 LoadBalancer
to access targets in TargetGroup.
items:
description: NetworkingIngressRule defines a particular set
of traffic that is allowed to access TargetGroup's targets.
properties:
from:
description: List of peers which should be able to access
the targets in TargetGroup. At least one NetworkingPeer
should be specified.
items:
description: NetworkingPeer defines the source/destination
peer for networking rules.
properties:
ipBlock:
description: IPBlock defines an IPBlock peer. If specified,
none of the other fields can be set.
properties:
cidr:
description: CIDR is the network CIDR. Both IPV4
or IPV6 CIDR are accepted.
type: string
required:
- cidr
type: object
securityGroup:
description: SecurityGroup defines a SecurityGroup
peer. If specified, none of the other fields can
be set.
properties:
groupID:
description: GroupID is the EC2 SecurityGroupID.
type: string
required:
- groupID
type: object
type: object
type: array
ports:
description: List of ports which should be made accessible
on the targets in TargetGroup. If ports is empty or unspecified,
it defaults to all ports with TCP.
items:
description: NetworkingPort defines the port and protocol
for networking rules.
properties:
port:
anyOf:
- type: integer
- type: string
description: The port which traffic must match. When
NodePort endpoints(instance TargetType) is used,
this must be a numerical port. When Port endpoints(ip
TargetType) is used, this can be either numerical
or named port on pods. if port is unspecified, it
defaults to all ports.
x-kubernetes-int-or-string: true
protocol:
description: The protocol which traffic must match.
If protocol is unspecified, it defaults to TCP.
enum:
- TCP
- UDP
type: string
type: object
type: array
required:
- from
- ports
type: object
type: array
type: object
nodeSelector:
description: node selector for instance type target groups to only
register certain nodes
properties:
matchExpressions:
description: matchExpressions is a list of label selector requirements.
The requirements are ANDed.
items:
description: A label selector requirement is a selector that
contains values, a key, and an operator that relates the key
and values.
properties:
key:
description: key is the label key that the selector applies
to.
type: string
operator:
description: operator represents a key's relationship to
a set of values. Valid operators are In, NotIn, Exists
and DoesNotExist.
type: string
values:
description: values is an array of string values. If the
operator is In or NotIn, the values array must be non-empty.
If the operator is Exists or DoesNotExist, the values
array must be empty. This array is replaced during a strategic
merge patch.
items:
type: string
type: array
required:
- key
- operator
type: object
type: array
matchLabels:
additionalProperties:
type: string
description: matchLabels is a map of {key,value} pairs. A single
{key,value} in the matchLabels map is equivalent to an element
of matchExpressions, whose key field is "key", the operator
is "In", and the values array contains only "value". The requirements
are ANDed.
type: object
type: object
x-kubernetes-map-type: atomic
serviceRef:
description: serviceRef is a reference to a Kubernetes Service and
ServicePort.
properties:
name:
description: Name is the name of the Service.
type: string
port:
anyOf:
- type: integer
- type: string
description: Port is the port of the ServicePort.
x-kubernetes-int-or-string: true
required:
- name
- port
type: object
targetGroupARN:
description: targetGroupARN is the Amazon Resource Name (ARN) for
the TargetGroup.
minLength: 1
type: string
targetType:
description: targetType is the TargetType of TargetGroup. If unspecified,
it will be automatically inferred.
enum:
- instance
- ip
type: string
required:
- serviceRef
- targetGroupARN
type: object
status:
description: TargetGroupBindingStatus defines the observed state of TargetGroupBinding
properties:
observedGeneration:
description: The generation observed by the TargetGroupBinding controller.
format: int64
type: integer
type: object
type: object
served: true
storage: true
subresources:
status: {}
YAML
depends_on = [
module.eks
]
}
# A Helm release resource for deploying the AWS Load Balancer Controller using the Helm package manager.
resource "helm_release" "aws-load-balancer-controller" {
count = var.enable_aws_loadbalancer_controller && var.create_eks_cluster ? 1 : 0
name = "aws-load-balancer-controller"
repository = "https://aws.github.io/eks-charts"
chart = "aws-load-balancer-controller"
namespace = "kube-system"
version = var.aws_loadbalancer_controller_version
atomic = true
cleanup_on_fail = true
replace = true
set {
name = "clusterName"
value = module.eks.cluster_name
}
set {
name = "serviceAccount.create"
value = false
}
set {
name = "region"
value = var.region
}
set {
name = "vpcId"
value = module.vpc.vpc_id
}
depends_on = [
module.eks,
kubectl_manifest.aws_loadbalancer_controller_crd
]
}
# This resource creates an AWS Elastic File System (EFS) specifically for the EKS cluster.
resource "aws_efs_file_system" "eks_efs" {
count = var.enable_aws_efs_csi_driver && var.create_eks_cluster ? 1 : 0 # Only creates the EFS if the `enable_aws_efs_csi_driver` variable is true.
creation_token = var.aws_efs_csi_driver_creation_token_name # Token used to ensure idempotent creation (preventing duplicate filesystems).
performance_mode = var.aws_efs_csi_driver_performance_mode # Defines the performance mode for the EFS (generalPurpose or maxIO).
tags = {
Name = var.cluster_name # Tags the EFS with the cluster name.
}
}
# This resource creates a backup policy for the EFS.
resource "aws_efs_backup_policy" "eks_efs" {
count = var.enable_aws_efs_csi_driver && var.create_eks_cluster ? 1 : 0 # Only creates the backup policy if the `enable_aws_efs_csi_driver` variable is true.
file_system_id = aws_efs_file_system.eks_efs[0].id # References the ID of the EFS created above.
backup_policy {
status = var.aws_efs_csi_driver_backup_policy_status # Status of the backup policy (usually either "ENABLED" or "DISABLED").
}
}
# This resource creates mount targets for the EFS within the private subnets of the VPC.
resource "aws_efs_mount_target" "eks_efs_mount_target" {
count = var.enable_aws_efs_csi_driver && var.create_eks_cluster ? length(module.vpc.private_subnets) : 0 # Creates a mount target for each private subnet if `enable_aws_efs_csi_driver` is true.
file_system_id = aws_efs_file_system.eks_efs[0].id # References the ID of the EFS created above.
subnet_id = element(module.vpc.private_subnets, count.index) # Specifies which private subnet the mount target will be in.
security_groups = [module.efs_sg[0].security_group_id] # Security group associated with the EFS mount target.
depends_on = [
module.vpc,
module.efs_sg
]
}
# This resource creates an access point for the EFS. Access points are application-specific entry points into the EFS.
resource "aws_efs_access_point" "eks_efs_access_point" {
count = var.enable_aws_efs_csi_driver && var.create_eks_cluster ? 1 : 0 # Only creates the access point if the `enable_aws_efs_csi_driver` variable is true.
file_system_id = aws_efs_file_system.eks_efs[0].id # References the ID of the EFS created above.