gistfile1.txt

```
commit b601dda71962e2b7a99e63cb23c28f5e83156c0c
Author:     Colin Walters <walters@verbum.org>
AuthorDate: Thu Jan 10 22:03:53 2019 +0000
Commit:     Colin Walters <walters@verbum.org>
CommitDate: Thu Jan 10 22:03:53 2019 +0000

    wip

diff --git a/pkg/controller/render/render_controller.go b/pkg/controller/render/render_controller.go
index db24559..2f9a3db 100644
--- a/pkg/controller/render/render_controller.go
+++ b/pkg/controller/render/render_controller.go
@@ -37,6 +37,9 @@ const (
 	//
 	// 5ms, 10ms, 20ms, 40ms, 80ms, 160ms, 320ms, 640ms, 1.3s, 2.6s, 5.1s, 10.2s, 20.4s, 41s, 82s
 	maxRetries = 15
+
+	// osImageURLConfigMap is the CM we install with the osImageURL
+	osImageURLConfigMap = "machine-config-osimageurl"
 )
 
 var (
@@ -60,6 +63,9 @@ type Controller struct {
 	mcpListerSynced cache.InformerSynced
 	mcListerSynced  cache.InformerSynced
 
+	osImageConfig *v1.ConfigMap
+	osImageURL string
+
 	queue workqueue.RateLimitingInterface
 }
 
@@ -99,6 +105,22 @@ func New(
 	ctrl.mcpListerSynced = mcpInformer.Informer().HasSynced
 	ctrl.mcListerSynced = mcInformer.Informer().HasSynced
 
+	err := wait.PollImmediate(10*time.Second, 5*time.Minute, func() (bool, error) {
+		var err error
+		ctrl.osImageConfig, err = kubeClient.CoreV1().ConfigMaps("").Get(osImageURLConfigMap, metav1.GetOptions{})
+		if err == nil {
+			return true, nil
+		}
+		glog.Infof("While getting configmap/%s, got: %v. Retrying...", osImageURLConfigMap, err)
+		return false, nil
+	})
+	if err != nil {
+		panic(err)
+	}
+
+	fmt.Printf("osimageconfig: %v", ctrl.osImageConfig.Data)
+	ctrl.osImageURL = ctrl.osImageConfig.Data["osImageURL"]
+
 	return ctrl
 }
 
```