Add oke and nlb to managed cluster

oci-managed/nlb/data.tf

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+data "oci_containerengine_cluster_kube_config" "cluster_kube_config" {
+    #Required
+    cluster_id = var.cluster_ocid
+
+    #Optional
+    endpoint = var.cluster_public_endpoint
+    token_version = "2.0.0"
+}

oci-managed/nlb/provider.tf

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+provider "helm" {
+  kubernetes {
+    config_path = "~/.kube/config"
+  }
+}

oci-managed/nlb/traefik.tf

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+resource "helm_release" "traefik" {
+  namespace        = "traefik-loadbalancer"
+  create_namespace = true
+  name             = "traefik"
+  repository       = "https://traefik.github.io/charts"
+  chart            = "traefik"
+  version          = var.traefik_chart_version
+
+  # Helm chart deployment can sometimes take longer than the default 5 minutes
+  timeout = var.timeout_seconds
+
+  # If values file specified by the var.values_file input variable exists then apply the values from this file
+  # else apply the default values from the chart
+  values = [fileexists("${path.root}/${var.values_file}") == true ? file("${path.root}/${var.values_file}") : ""]
+
+  set {
+    name  = "deployment.replicas"
+    value = var.replica_count
+  }
+}

oci-managed/nlb/variables.tf

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+variable "compartment_ocid" {}
+variable "environment" {
+  default = "prod"
+}
+variable "cluster_ocid" {
+  type = string
+}
+variable "cluster_public_endpoint" {
+  type = string
+}
+
+variable "namespace" {
+  description = "Namespace to install traefik chart into"
+  type        = string
+  default     = "traefik"
+}
+
+variable "traefik_chart_version" {
+  description = "Version of Traefik chart to install"
+  type        = string
+  default     = "21.1.0" # See https://artifacthub.io/packages/helm/traefik/traefik for latest version(s)
+}
+
+# Helm chart deployment can sometimes take longer than the default 5 minutes
+variable "timeout_seconds" {
+  type        = number
+  description = "Helm chart deployment can sometimes take longer than the default 5 minutes. Set a custom timeout here."
+  default     = 800 # 10 minutes
+}
+
+variable "replica_count" {
+  description = "Number of replica pods to create"
+  type        = number
+  default     = 1
+}
+
+variable "values_file" {
+  description = "The name of the traefik helmchart values file to use"
+  type        = string
+  default     = "values.yaml"
+}