Bug 1785115: tolerate all NoSchedule taints

pkg/resource/nodecadaemon.go

@@ -36,7 +36,6 @@ spec:
       priorityClassName: system-cluster-critical
       tolerations:
       - effect: NoSchedule
-        key: node-role.kubernetes.io/master
         operator: Exists
       serviceAccountName: node-ca
       containers:

pkg/resource/nodecadaemon_test.go

@@ -0,0 +1,41 @@
+package resource
+
+import (
+	"testing"
+
+	appsv1 "k8s.io/api/apps/v1"
+	corev1 "k8s.io/api/core/v1"
+	kfake "k8s.io/client-go/kubernetes/fake"
+
+	"github.com/openshift/cluster-image-registry-operator/pkg/parameters"
+)
+
+func findToleration(list []corev1.Toleration, cond func(toleration corev1.Toleration) bool) *corev1.Toleration {
+	for i, t := range list {
+		if cond(t) {
+			return &list[i]
+		}
+	}
+	return nil
+}
+
+func TestNodeCADaemon(t *testing.T) {
+	params := &parameters.Globals{}
+	params.Deployment.Namespace = "openshift-image-registry"
+
+	clientset := kfake.NewSimpleClientset()
+
+	g := newGeneratorNodeCADaemonSet(nil, nil, clientset.AppsV1(), params)
+	obj, err := g.Create()
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	ds := obj.(*appsv1.DaemonSet)
+	noScheduleToleration := findToleration(ds.Spec.Template.Spec.Tolerations, func(tol corev1.Toleration) bool {
+		return tol.Key == "" && tol.Operator == "Exists" && tol.Value == "" && tol.Effect == "NoSchedule"
+	})
+	if noScheduleToleration == nil {
+		t.Errorf("unable to find toleration for all NoSchedule taints, %#+v", ds.Spec.Template.Spec.Tolerations)
+	}
+}