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[terraform] Add k3s setup for tests
Co-authored-by: Adrien Thebo <[email protected]>
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‎install/infra/modules/k3s/output.tf

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@@ -4,6 +4,25 @@ output "database" {
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instance = "${var.gcp_project}:${var.gcp_region}:${google_sql_database_instance.gitpod.name}"
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username = "${google_sql_user.users.name}"
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password = random_password.password.result
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service_account_key = "Upload the JSON file corresponding the service account credentials"
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service_account_key_path = var.credentials
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}, "No database created")
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}
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output "registry" {
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sensitive = true
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value = try({
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url = "gcr.io/${var.gcp_project}"
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server = "gcr.io"
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username = "_json_key"
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password_file_path = var.credentials
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}, "No container registry created")
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}
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output "storage" {
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sensitive = true
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value = try({
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region = var.gcp_region
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project = var.gcp_project
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service_account_key_path = var.credentials
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}, "No GCS bucket created for object storage")
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}

‎install/infra/single-cluster/k3s/Makefile

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##
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# Terraform AWS reference architecture
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#
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.PHONY: init
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init:
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@terraform init
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touch-kubeconfig:
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@touch kubeconfig
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cleanup-kubeconfig:
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@rm kubeconfig
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.PHONY: plan
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plan: touch-kubeconfig plan-cluster plan-cm-edns cleanup-kubeconfig
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.PHONY: apply
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apply: apply-cluster apply-tools
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.PHONY: destroy
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destroy: destroy-tools destroy-cluster
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.PHONY: refresh
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refresh:
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@echo "Refreshing terraform state"
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@terraform refresh
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@echo ""
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@echo "Done!"
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.PHONY: output
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output: refresh output-done-msg output-url output-registry output-database output-storage output-issuer
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output-done-msg:
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@echo ""
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@echo ""
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@echo "=========================="
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@echo "🎉🥳🔥🧡🚀"
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@echo "Your cloud infrastructure is ready to install Gitpod. Please visit"
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@echo "https://www.gitpod.io/docs/self-hosted/latest/getting-started#step-4-install-gitpod"
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@echo "for your next steps."
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@echo "================="
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@echo "Config Parameters"
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@echo "================="
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output-url:
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@echo ""
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@echo "Gitpod domain name:"
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@echo "================="
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@terraform output -json url | jq
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output-storage:
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@echo ""
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@echo "Object storage:"
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@echo "=============="
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@terraform output -json storage | jq
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output-registry:
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@echo ""
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@echo "GCR registry:"
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@echo "=================="
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@terraform output -json registry | jq
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output-database:
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@echo ""
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@echo "Database:"
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@echo "========"
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@echo "Tick the option 'Use Google Cloud SQL Proxy' if using this database"
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@terraform output -json database | jq
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@echo ""
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output-issuer:
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@echo ""
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@echo "ClusterIssuer name:"
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@echo "================="
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@terraform output -json cluster_issuer | jq
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.PHONY: plan-cluster
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plan-cluster:
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@terraform plan -target=module.k3s
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.PHONY: plan-tools
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plan-tools: plan-cm-edns plan-cluster-issuer
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.PHONY: plan-cm-edns
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plan-cm-edns:
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@terraform plan -target=module.certmanager -target=module.externaldns
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.PHONY: plan-cluster-issuer
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plan-cluster-issuer:
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@terraform plan -target=module.cluster-issuer
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.PHONY: apply-cluster
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apply-cluster:
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@terraform apply -target=module.k3s --auto-approve
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.PHONY: apply-tools
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apply-tools: install-cm-edns install-cluster-issuer
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.PHONY: install-cm-edns
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install-cm-edns:
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@terraform apply -target=module.certmanager -target=module.externaldns --auto-approve
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.PHONY: install-cluster-issuer
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install-cluster-issuer:
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@terraform apply -target=module.cluster-issuer --auto-approve
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.PHONY: destroy-cluster
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destroy-cluster:
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@terraform destroy -target=module.k3s --auto-approve
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.PHONY: destroy-tools
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destroy-tools: destroy-cluster-issuer destroy-cm-edns
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.PHONY: destroy-cm-edns
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destroy-cm-edns:
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@terraform destroy -target=module.certmanager -target=module.externaldns --auto-approve
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.PHONY: destroy-cluster-issuer
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destroy-cluster-issuer:
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@terraform destroy -target=module.cluster-issuer --auto-approve || echo "Could not remove cluster-issuer"
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# end

‎install/infra/single-cluster/k3s/cluster.tf

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module "k3s" {
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source = "../../modules/k3s"
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name = var.name
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gcp_project = var.project
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gcp_region = var.region
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gcp_zone = var.zone
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credentials = var.credentials_path
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kubeconfig = var.kubeconfig
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dns_sa_creds = var.credentials_path
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dns_project = var.project
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managed_dns_zone = var.managed_dns_zone
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domain_name = var.domain_name
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cluster_version = var.cluster_version
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image_id = var.image_id
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}

‎install/infra/single-cluster/k3s/local.tf

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locals {
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credentials = "${file(var.credentials_path)}"
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}

‎install/infra/single-cluster/k3s/main.tf

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terraform {
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backend "gcs" {
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bucket = "gitpod-tf"
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prefix = "k3s/terraform.state"
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}
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required_providers {
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google = {
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source = "hashicorp/google"
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}
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kubernetes = {
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source = "hashicorp/kubernetes"
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}
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helm = {
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source = "hashicorp/helm"
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}
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}
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}

‎install/infra/single-cluster/k3s/output.tf

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output "database" {
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sensitive = true
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value = module.k3s.database
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}
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output "registry" {
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sensitive = true
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value = module.k3s.registry
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}
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output "storage" {
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sensitive = true
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value = module.k3s.storage
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}
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output "url" {
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value = var.domain_name
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}
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output "cluster_issuer" {
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value = module.cluster-issuer.cluster_issuer
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}

‎install/infra/single-cluster/k3s/terraform.tfvars

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name = "gitpod"
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domain_name =
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region = "europe-west1"
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zone = "europe-west1-b"
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project =
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credentials_path = "key.json"
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cluster_version = "v1.22.12+k3s1"
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image_id = "ubuntu-2204-jammy-v20220712a"
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kubeconfig = "./kubeconfig"
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managed_dns_zone =

‎install/infra/single-cluster/k3s/tools.tf

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module "certmanager" {
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source = "../../modules/tools/cert-manager"
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kubeconfig = var.kubeconfig
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}
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module "cluster-issuer" {
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source = "../../modules/tools/issuer"
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kubeconfig = var.kubeconfig
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gcp_credentials = local.credentials
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issuer_name = "cloudDNS"
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cert_manager_issuer = {
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project = var.project
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serviceAccountSecretRef = {
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name = "clouddns-dns01-solver"
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key = "keys.json"
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}
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}
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}

‎install/infra/single-cluster/k3s/variables.tf

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variable "kubeconfig" {
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description = "The KUBECONFIG file path to store the resulting KUBECONFIG file to"
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default = "./kubeconfig"
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}
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variable "project" {
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description = "Google cloud Region to perform operations in"
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}
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variable "region" {
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description = "Google cloud Region to perform operations in"
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default = "europe-west1"
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}
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variable "zone" {
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description = "Google cloud Zone to perform operations in"
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default = "europe-west1-b"
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}
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variable "credentials_path" {
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description = "Path to the JSON file storing Google service account credentials"
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default = ""
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}
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variable "name" {
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description = "Prefix name for the nodes and firewall"
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default = "k3s"
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}
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variable "image_id" {
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description = "Node image ID to be used to provision EC2 instances"
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default = "ubuntu-2004-focal-v20220419"
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}
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variable "cluster_version" {
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description = "Kubernetes version to use to provision the cluster"
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default = "v1.22.12+k3s1"
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}
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variable "domain_name" {
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description = "Domain name to add to add DNS map to"
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default = null
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}
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variable "managed_dns_zone" {
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description = "The Cloud DNS managed zone where Gitpod A records will be created"
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default = null
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}

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