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July 31, 2024 17:47
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lb-controller.tf
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| provider "aws" { | |
| region = local.region | |
| } | |
| data "terraform_remote_state" "eks" { | |
| backend = "s3" | |
| config = { | |
| bucket = "tfstate" | |
| key = "infra/eks" | |
| region = "us-east-1" | |
| } | |
| } | |
| locals { | |
| cluster_name = data.terraform_remote_state.eks.outputs.cluster_name | |
| cluster_endpoint = data.terraform_remote_state.eks.outputs.cluster_endpoint | |
| cluster_certificate_authority_data = data.terraform_remote_state.eks.outputs.cluster_certificate_authority_data | |
| oidc_provider_arn = data.terraform_remote_state.eks.outputs.oidc_provider_arn | |
| region = data.terraform_remote_state.eks.outputs.region | |
| vpc_id = data.terraform_remote_state.eks.outputs.vpc_id | |
| } | |
| module "lb_role" { | |
| source = "terraform-aws-modules/iam/aws//modules/iam-role-for-service-accounts-eks" | |
| version = "5.34.0" | |
| role_name = "${local.cluster_name}_eks_lb" | |
| attach_load_balancer_controller_policy = true | |
| oidc_providers = { | |
| main = { | |
| provider_arn = local.oidc_provider_arn | |
| namespace_service_accounts = ["kube-system:aws-load-balancer-controller"] | |
| } | |
| } | |
| } | |
| provider "kubernetes" { | |
| host = local.cluster_endpoint | |
| cluster_ca_certificate = base64decode(local.cluster_certificate_authority_data) | |
| exec { | |
| api_version = "client.authentication.k8s.io/v1" | |
| args = ["eks", "get-token", "--cluster-name", local.cluster_name] | |
| command = "aws" | |
| } | |
| } | |
| provider "helm" { | |
| kubernetes { | |
| host = local.cluster_endpoint | |
| cluster_ca_certificate = base64decode(local.cluster_certificate_authority_data) | |
| exec { | |
| api_version = "client.authentication.k8s.io/v1" | |
| args = ["eks", "get-token", "--cluster-name", local.cluster_name] | |
| command = "aws" | |
| } | |
| } | |
| } | |
| resource "kubernetes_service_account" "service-account" { | |
| metadata { | |
| name = "aws-load-balancer-controller" | |
| namespace = "kube-system" | |
| labels = { | |
| "app.kubernetes.io/name" = "aws-load-balancer-controller" | |
| "app.kubernetes.io/component" = "controller" | |
| } | |
| annotations = { | |
| "eks.amazonaws.com/role-arn" = module.lb_role.iam_role_arn | |
| "eks.amazonaws.com/sts-regional-endpoints" = "true" | |
| } | |
| } | |
| } | |
| resource "helm_release" "lb" { | |
| name = "aws-load-balancer-controller" | |
| repository = "https://aws.github.io/eks-charts" | |
| chart = "aws-load-balancer-controller" | |
| version = "1.7.1" | |
| namespace = "kube-system" | |
| max_history = 3 | |
| depends_on = [ | |
| kubernetes_service_account.service-account | |
| ] | |
| set { | |
| name = "region" | |
| value = local.region | |
| } | |
| set { | |
| name = "vpcId" | |
| value = local.vpc_id | |
| } | |
| set { | |
| name = "image.repository" | |
| value = "602401143452.dkr.ecr.eu-west-2.amazonaws.com/amazon/aws-load-balancer-controller" | |
| } | |
| set { | |
| name = "serviceAccount.create" | |
| value = "false" | |
| } | |
| set { | |
| name = "serviceAccount.name" | |
| value = "aws-load-balancer-controller" | |
| } | |
| set { | |
| name = "clusterName" | |
| value = local.cluster_name | |
| } | |
| } |
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