add ingress factory stub [ci skip]

modules/kubernetes/ingress_factory/main.tf

@@ -0,0 +1,113 @@
+
+variable "name" { type = string } // must match service name; translates to host
+variable "namespace" { type = string }
+variable "external_name" {
+  type    = string
+  default = null
+}
+variable "port" {
+  default = "80"
+}
+variable "tls_secret_name" {}
+variable "backend_protocol" {
+  default = "HTTP"
+}
+variable "protected" {
+  type    = bool
+  default = false
+}
+variable "ingress_path" {
+  type    = list(string)
+  default = ["/"]
+}
+variable "max_body_size" {
+  type    = string
+  default = "50m"
+}
+variable "use_proxy_protocol" {
+  type    = bool
+  default = true
+}
+variable "proxy_timeout" {
+  type    = number
+  default = 60
+}
+variable "extra_annotations" {
+  default = {}
+}
+
+
+resource "kubernetes_service" "proxied-service" {
+  count = var.external_name == null ? 0 : 1
+  metadata {
+    name      = var.name
+    namespace = var.namespace
+    labels = {
+      "app" = var.name
+    }
+  }
+
+  spec {
+    type          = var.external_name != null ? "ExternalName" : "ClusterIP"
+    external_name = var.name
+
+    port {
+      name        = "${var.name}-web"
+      port        = var.port
+      protocol    = "TCP"
+      target_port = var.port
+    }
+  }
+}
+
+resource "kubernetes_ingress_v1" "proxied-ingress" {
+  metadata {
+    name      = var.name
+    namespace = var.namespace
+    annotations = merge({
+      "kubernetes.io/ingress.class"                  = "nginx"
+      "nginx.ingress.kubernetes.io/backend-protocol" = "${var.backend_protocol}"
+
+      "nginx.ingress.kubernetes.io/auth-url" : var.protected ? "http://ak-outpost-authentik-embedded-outpost.authentik.svc.cluster.local:9000/outpost.goauthentik.io/auth/nginx" : null
+      "nginx.ingress.kubernetes.io/auth-signin" : var.protected ? "https://authentik.viktorbarzin.me/outpost.goauthentik.io/start?rd=$scheme%3A%2F%2F$host$escaped_request_uri" : null
+      "nginx.ingress.kubernetes.io/auth-snippet" : var.protected ? "proxy_set_header X-Forwarded-Host $http_host;" : null
+
+      "nginx.ingress.kubernetes.io/proxy-body-size" : var.max_body_size
+      "nginx.ingress.kubernetes.io/use-proxy-protocol" : var.use_proxy_protocol
+      "nginx.ingress.kubernetes.io/proxy-connect-timeout" : var.proxy_timeout
+      "nginx.ingress.kubernetes.io/proxy-send-timeout" : var.proxy_timeout
+      "nginx.ingress.kubernetes.io/proxy-read-timeout" : var.proxy_timeout
+
+    }, var.extra_annotations)
+  }
+
+  spec {
+    tls {
+      hosts       = ["${var.name}.viktorbarzin.me"]
+      secret_name = var.tls_secret_name
+    }
+    rule {
+      host = "${var.name}.viktorbarzin.me"
+      http {
+        dynamic "path" {
+          # for_each = { for pr in var.ingress_path : pr => pr }
+          for_each = var.ingress_path
+
+          content {
+            path = path.value
+            backend {
+              service {
+
+                name = var.name
+                port {
+                  number = var.port
+                }
+              }
+            }
+          }
+        }
+      }
+    }
+  }
+}
+