Feature/headless service (#99)

* add headless service * update changelog Co-authored-by: Raj Poluri <[email protected]>
ExpediaGroup · Jan 7, 2022 · 041b721 · 041b721
1 parent 9fede84
commit 041b721
Show file tree

Hide file tree

Showing 2 changed files with 22 additions and 0 deletions.
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -3,6 +3,9 @@ All notable changes to this project will be documented in this file.
 
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/) and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
+## [3.3.15] - 2022-01-06
+- Add k8s headless service, so that clients running in k8s cluster can connect to a WD container instead of virtual ip.
+
 ## [3.3.14] - 2021-12-16
 - Set env var `LOG4J_FORMAT_MSG_NO_LOOKUPS=”true”` for WD containers for log4j-shell bug.
 

diff --git a/k8s.tf b/k8s.tf
@@ -131,3 +131,22 @@ resource "kubernetes_service" "waggle_dance" {
     load_balancer_source_ranges = var.ingress_cidr
   }
 }
+
+resource "kubernetes_service" "waggle_dance_headless" {
+  count = var.wd_instance_type == "k8s" ? 1 : 0
+  metadata {
+    name      = "${local.instance_alias}-headless"
+    namespace = var.k8s_namespace
+  }
+  spec {
+    selector = {
+      name = local.instance_alias
+    }
+    port {
+      port        = local.wd_port
+      target_port = local.wd_port
+    }
+    type       = "ClusterIP"
+    cluster_ip = "None"
+  }
+}