Allow Flux to be deployed on tainted Kubernetes nodes

Signed-off-by: Stefan Prodan <stefan.prodan@gmail.com>

pkg/manifestgen/install/install_test.go

@@ -24,6 +24,7 @@ import (
 
 func TestGenerate(t *testing.T) {
 	opts := MakeDefaultOptions()
+	opts.TolerationKeys = []string{"node.kubernetes.io/controllers"}
 	output, err := Generate(opts)
 	if err != nil {
 		t.Fatal(err)
@@ -36,5 +37,9 @@ func TestGenerate(t *testing.T) {
 		}
 	}
 
+	if !strings.Contains(output.Content, opts.TolerationKeys[0]) {
+		t.Errorf("toleration key '%s' not found", opts.TolerationKeys[0])
+	}
+
 	fmt.Println(output)
 }