From 8d1cc83405226ce257448e901855c1d1522cd814 Mon Sep 17 00:00:00 2001
From: stefanprodan <stefan.prodan@gmail.com>
Date: Wed, 19 Jun 2019 12:01:02 +0300
Subject: [PATCH] Add a no-operation router To be used for Kubernetes
 blue/green deployments (no service mesh or ingress controller)

---
 pkg/router/nop.go | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)
 create mode 100644 pkg/router/nop.go

diff --git a/pkg/router/nop.go b/pkg/router/nop.go
new file mode 100644
index 00000000..66f1d812
--- /dev/null
+++ b/pkg/router/nop.go
@@ -0,0 +1,24 @@
+package router
+
+import (
+	flaggerv1 "github.com/weaveworks/flagger/pkg/apis/flagger/v1alpha3"
+)
+
+// NopRouter no-operation router
+type NopRouter struct {
+}
+
+func (*NopRouter) Reconcile(canary *flaggerv1.Canary) error {
+	return nil
+}
+
+func (*NopRouter) SetRoutes(canary *flaggerv1.Canary, primaryWeight int, canaryWeight int) error {
+	return nil
+}
+
+func (*NopRouter) GetRoutes(canary *flaggerv1.Canary) (primaryWeight int, canaryWeight int, err error) {
+	if canary.Status.Iterations > 0 {
+		return 0, 100, nil
+	}
+	return 100, 0, nil
+}