initial

modules/kubernetes/webhook_handler/main.tf

@@ -0,0 +1,146 @@
+
+variable "tls_secret_name" {}
+variable "tls_crt" {}
+variable "tls_key" {}
+variable "webhook_secret" {}
+
+resource "kubernetes_namespace" "webhook-handler" {
+  metadata {
+    name = "webhook-handler"
+  }
+}
+
+module "tls_secret" {
+  source          = "../setup_tls_secret"
+  namespace       = "webhook-handler"
+  tls_secret_name = var.tls_secret_name
+  tls_crt         = var.tls_crt
+  tls_key         = var.tls_key
+}
+
+resource "kubernetes_cluster_role" "deployment_updater" {
+  metadata {
+    name = "deployment-updater"
+  }
+
+  rule {
+    verbs      = ["create", "update", "get", "patch", "list"]
+    api_groups = ["extensions", "apps", ""]
+    resources  = ["deployments", "namespaces", "pods", "services"]
+  }
+}
+
+resource "kubernetes_cluster_role_binding" "update_deployment_binding" {
+  metadata {
+    name = "update-deployment-binding"
+  }
+
+  subject {
+    kind      = "ServiceAccount"
+    name      = "default"
+    namespace = "webhook-handler"
+  }
+
+  role_ref {
+    api_group = "rbac.authorization.k8s.io"
+    kind      = "ClusterRole"
+    name      = "deployment-updater"
+  }
+}
+
+resource "kubernetes_deployment" "webhook_handler" {
+  metadata {
+    name      = "webhook-handler"
+    namespace = "webhook-handler"
+    labels = {
+      app = "webhook-handler"
+    }
+  }
+  spec {
+    replicas = 1
+    selector {
+      match_labels = {
+        app = "webhook-handler"
+      }
+    }
+    template {
+      metadata {
+        labels = {
+          app = "webhook-handler"
+        }
+      }
+      spec {
+        container {
+          image = "viktorbarzin/webhook-handler:latest"
+          name  = "webhook-handler"
+          resources {
+            limits = {
+              cpu    = "0.5"
+              memory = "512Mi"
+            }
+            requests = {
+              cpu    = "250m"
+              memory = "50Mi"
+            }
+          }
+          port {
+            container_port = 80
+          }
+          env {
+            name  = "WEBHOOKSECRET"
+            value = var.webhook_secret
+          }
+        }
+      }
+    }
+  }
+}
+
+resource "kubernetes_service" "webhook_handler" {
+  metadata {
+    name      = "webhook-handler"
+    namespace = "webhook-handler"
+    labels = {
+      "app" = "webhook-handler"
+    }
+  }
+
+  spec {
+    selector = {
+      app = "webhook-handler"
+    }
+    port {
+      port        = "80"
+      target_port = "3000"
+    }
+  }
+}
+
+resource "kubernetes_ingress" "webhook_handler" {
+  metadata {
+    name      = "webhook-handler-ingress"
+    namespace = "webhook-handler"
+    annotations = {
+      "kubernetes.io/ingress.class" = "nginx"
+    }
+  }
+
+  spec {
+    tls {
+      hosts       = ["webhook.viktorbarzin.me"]
+      secret_name = var.tls_secret_name
+    }
+    rule {
+      host = "webhook.viktorbarzin.me"
+      http {
+        path {
+          path = "/"
+          backend {
+            service_name = "webhook-handler"
+            service_port = "80"
+          }
+        }
+      }
+    }
+  }
+}