Merge pull request #2797 from k8s-infra-cherrypick-robot/cherry-pick-2796-to-release-1.9

[release-1.9] 🐛 Fixes issue with NCP versioning while using the semver package

Author: k8s-ci-robot

pkg/util/networkutil.go

@@ -18,6 +18,7 @@ package util
 
 import (
 	"context"
+	"strings"
 
 	"github.com/blang/semver/v4"
 	"github.com/pkg/errors"
@@ -78,6 +79,7 @@ func GetNamespaceNetSnatIP(ctx context.Context, controllerClient client.Client,
 }
 
 // GetNCPVersion finds out the running ncp's version from its configmap.
+// If the version contains more than 3 segments, it will get trimmed down to 3.
 func GetNCPVersion(ctx context.Context, controllerClient client.Client) (string, error) {
 	configmapObj := &corev1.ConfigMap{}
 	namespacedName := apitypes.NamespacedName{
@@ -90,6 +92,13 @@ func GetNCPVersion(ctx context.Context, controllerClient client.Client) (string,
 	}
 
 	version := configmapObj.Data[NCPVersionKey]
+
+	// NSX doesn't stritcly follow SemVer and there are versions like 4.0.1.3
+	// This will cause an error if directly used in semver.Parse() and prevent the cluster from reconciling.
+	// Since GetNCPVersion is only used to check >= 3.0.1 and < 3.1.0, it's safe to trim the last segment
+	if segments := strings.Split(version, "."); len(segments) > 3 {
+		return strings.Join(segments[:3], "."), nil
+	}
 	return version, nil
 }
 

pkg/util/networkutil_test.go

@@ -62,6 +62,12 @@ func TestNCPSupportFW(t *testing.T) {
 			true,
 			false,
 		},
+		{
+			"compatible version with more than 3 segments",
+			fake.NewClientBuilder().WithScheme(scheme).WithObjects(newNCPConfigMap("3.0.1.1.1")).Build(),
+			true,
+			false,
+		},
 		{
 			"incompatible version lower end",
 			fake.NewClientBuilder().WithScheme(scheme).WithObjects(newNCPConfigMap("3.0.0")).Build(),
@@ -74,6 +80,12 @@ func TestNCPSupportFW(t *testing.T) {
 			false,
 			false,
 		},
+		{
+			"incompatible version with more than 3 segments",
+			fake.NewClientBuilder().WithScheme(scheme).WithObjects(newNCPConfigMap("3.1.0.1")).Build(),
+			false,
+			false,
+		},
 	}
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {