e2e: deferred: make restart tests opt-in

unitl we deflake the restart tests, make them opt-in.

Signed-off-by: Francesco Romani <[email protected]>

test/e2e/deferred/restart.go

@@ -3,7 +3,9 @@ package e2e
 import (
 	"context"
 	"fmt"
+	"os"
 	"path/filepath"
+	"strconv"
 	"strings"
 	"time"
 
@@ -20,6 +22,23 @@ import (
 	"github.com/openshift/cluster-node-tuning-operator/test/e2e/util/wait"
 )
 
+const (
+	enableRestartTestsEnvVar = "DEFERRED_RESTART_TESTS"
+)
+
+func areRestartTestsEnabled() bool {
+	envVal, ok := os.LookupEnv(enableRestartTestsEnvVar)
+	if !ok {
+		return false
+	}
+	val, err := strconv.ParseBool(envVal)
+	if err != nil {
+		util.Logf("wrong value for %q: %q (err=%v)", enableRestartTestsEnvVar, envVal, err)
+		return false
+	}
+	return val
+}
+
 var _ = ginkgo.Describe("[deferred][restart] Profile deferred", func() {
 	ginkgo.Context("when restarting", func() {
 		var (
@@ -34,6 +53,10 @@ var _ = ginkgo.Describe("[deferred][restart] Profile deferred", func() {
 		)
 
 		ginkgo.BeforeEach(func() {
+			if !areRestartTestsEnabled() {
+				ginkgo.Skip(fmt.Sprintf("restart tests are flaky and need to be opted-in setting \"%s=true\"", enableRestartTestsEnvVar))
+			}
+
 			ginkgo.By("getting a list of worker nodes")
 			nodes, err := util.GetNodesByRole(cs, "worker")
 			gomega.Expect(err).NotTo(gomega.HaveOccurred())