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Terraform module for Nginx Ingress Controller

Terraform module used to create nginx ingress controller in Kubernetes via Helm. With simple syntax.

Usage

IngressClass

By default, all new ingresses use this controller as default.

If you have already default IngressClass specified, please set ingress_class_is_default=false.
In this case you should specify ingressClassName to your ingress manually.

AWS

module "nginx-controller" {
  source  = "terraform-iaac/nginx-controller/helm"

  additional_set = [
    {
      name  = "controller.service.annotations.service\\.beta\\.kubernetes\\.io/aws-load-balancer-type"
      value = "nlb"
      type  = "string"
    },
    {
      name  = "controller.service.annotations.service\\.beta\\.kubernetes\\.io/aws-load-balancer-cross-zone-load-balancing-enabled"
      value = "true"
      type  = "string"
    }
  ]
}

GCP

# Static IP
resource "google_compute_address" "ingress_ip_address" {
  name = "nginx-controller"
}

module "nginx-controller" {
  source  = "terraform-iaac/nginx-controller/helm"

  # Optional
  ip_address = google_compute_address.ingress_ip_address.address
}

AZURE

# Static IP
resource "azurerm_public_ip" "nginx_controller" {
  resource_group_name = "my-resource-group-name"
  location            = "my-location"

  name              = "nginx-controller"
  allocation_method = "Static"
}

module "nginx-controller" {
  source  = "terraform-iaac/nginx-controller/helm"

  ip_address = azurerm_public_ip.nginx_controller.ip_address
}

Inputs

Name Description Type Default Required
name Name of created helm release string ingress-nginx no
namespace Name of namespace where nginx controller should be deployed string kube-system no
chart_version HELM Chart Version for controller ( It is not recommended to change ) string 4.0.6 no
atomic If set, installation process purges chart on fail bool false no
ingress_class_name IngressClass resource name string nginx no
ingress_class_is_default IngressClass resource default for cluster bool true no
ip_address External Static Address for loadbalancer (Doesn't work with AWS) string n/a no
controller_kind Controller type: DaemonSet, Deployment etc.. string DaemonSet no
controller_daemonset_useHostPort Also use host ports(80,443) for pods. Node Ports in services will be untouched bool false no
controller_service_externalTrafficPolicy Traffic policy for controller. See docs. string Local no
controller_request_memory Memory request for pod. Value in MB nubmer 140 no
publish_service Publish LoadBalancer endpoint to Service bool true no
define_nodePorts By default service using NodePorts. It can be generated automatically, or you can assign this ports number bool true no
service_nodePort_http NodePort number for http number 32001 no
service_nodePort_https NodePort number for https number 32002 no
metrics_enabled Allow exposing metrics for prometheus-operator bool false no
disable_heavyweight_metrics Disable some 'heavyweight' or unnecessary metrics bool false no
additional_set Additional sets to Helm 
list(object({
    name  = string
    value = string
    type  = string // Optional
  }))
 [] no
wait Will wait until all resources are in a ready state" bool true no
timeout Time in seconds to wait for any individual kubernetes operation number 300 no

Outputs

Name Description
name Namespace used by nginx controller
namespace Namespace used by nginx controller
ingress_class_name IngressClass name for this controller

Terraform Requirements

Name Version
terraform >= 1.3.0
helm >= 2.5.0

Kubernetes version: >=1.19