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test: Add client side install method for restoring Config Sync #1834

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313a440
test: Add client side install method for restoring Config Sync
tiffanny29631 Aug 19, 2025
77a9062
Add server-side false flag
tiffanny29631 Sep 5, 2025
9e508cc
Add server-side false flag
tiffanny29631 Sep 5, 2025
7f771ee
Add go-client update as re-install option
tiffanny29631 Sep 9, 2025
0c6dcc9
Also re-install webhook after test done
tiffanny29631 Sep 9, 2025
9b56f3b
Create object if not found when updating
tiffanny29631 Sep 10, 2025
e8cc294
Attach resourceVersion for updating existing objects
tiffanny29631 Sep 10, 2025
33fd104
refactor and cleanup
tiffanny29631 Oct 27, 2025
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38 changes: 34 additions & 4 deletions e2e/nomostest/config_sync.go
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Original file line number Diff line number Diff line change
Expand Up @@ -78,6 +78,16 @@ const (
shortSyncPollingPeriod = 5 * time.Second
)

// InstallMethod defines how Config Sync should be installed
type InstallMethod string

const (
// InstallMethodApply uses server-side apply (default)
InstallMethodApply InstallMethod = "apply"
// InstallMethodUpdate uses client-side update
InstallMethodUpdate InstallMethod = "update"
)

var (
// baseDir is the path to the Nomos repository root from test case files.
//
Expand Down Expand Up @@ -230,16 +240,36 @@ func parseConfigSyncManifests(nt *NT) ([]client.Object, error) {
}

// InstallConfigSync installs ConfigSync on the test cluster
func InstallConfigSync(nt *NT) error {
nt.T.Log("[SETUP] Installing Config Sync")
func InstallConfigSync(nt *NT, method InstallMethod) error {
nt.T.Log("[SETUP] Installing Config Sync using method: ", method)
objs, err := parseConfigSyncManifests(nt)
if err != nil {
return err
}
for _, o := range objs {
nt.T.Logf("installConfigSync obj: %v", core.GKNN(o))
if err := nt.KubeClient.Apply(o); err != nil {
return err
switch method {
case InstallMethodApply:
if err := nt.KubeClient.Apply(o); err != nil {
return err
}
case InstallMethodUpdate:
currentObj := o.DeepCopyObject().(client.Object)
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A DeepCopy should not be necessary here for every object, can this be switched to populating an empty object (e.g. Unstructured)?

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Updated

if err := nt.KubeClient.Get(currentObj.GetName(), currentObj.GetNamespace(), currentObj); err != nil {
if apierrors.IsNotFound(err) {
if err := nt.KubeClient.Create(o); err != nil {
return err
}
} else {
return err
}
} else {
// Attach existing resourceVersion to the object
o.SetResourceVersion(currentObj.GetResourceVersion())
if err := nt.KubeClient.Update(o); err != nil {
return err
}
}
}
}
return nil
Expand Down
2 changes: 1 addition & 1 deletion e2e/nomostest/new.go
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Original file line number Diff line number Diff line change
Expand Up @@ -385,7 +385,7 @@ func FreshTestEnv(t nomostesting.NTB, opts *ntopts.New) *NT {
return setupRegistry(nt)
})
tg.Go(func() error {
return InstallConfigSync(nt)
return InstallConfigSync(nt, InstallMethodApply)
})
tg.Go(func() error {
return installPrometheus(nt)
Expand Down
24 changes: 13 additions & 11 deletions e2e/testcases/cli_test.go
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Original file line number Diff line number Diff line change
Expand Up @@ -1297,13 +1297,14 @@ func TestApiResourceFormatting(t *testing.T) {
}

func TestNomosMigrate(t *testing.T) {
nt := nomostest.New(t, nomostesting.NomosCLI, ntopts.SkipConfigSyncInstall)
nt := nomostest.New(t, nomostesting.NomosCLI)

nt.T.Cleanup(func() {
// Restore state of Config Sync installation after test
if err := nomostest.InstallConfigSync(nt); err != nil {
if err := nomostest.InstallConfigSync(nt, nomostest.InstallMethodUpdate); err != nil {
nt.T.Fatal(err)
}
nt.Must(nt.WatchForAllSyncs())
})
nt.T.Cleanup(func() {
cmObj := &unstructured.Unstructured{
Expand Down Expand Up @@ -1451,11 +1452,11 @@ func TestNomosMigrate(t *testing.T) {
configmanagement.RGControllerName, configmanagement.RGControllerNamespace)
})
tg.Go(func() error {
return nt.Watcher.WatchForNotFound(kinds.Deployment(),
return nt.Watcher.WatchForCurrentStatus(kinds.Deployment(),
core.RootReconcilerName(configsync.RootSyncName), configsync.ControllerNamespace)
})
tg.Go(func() error {
return nt.Watcher.WatchForNotFound(kinds.RootSyncV1Beta1(),
return nt.Watcher.WatchForCurrentStatus(kinds.RootSyncV1Beta1(),
configsync.RootSyncName, configsync.ControllerNamespace)
})
if err := tg.Wait(); err != nil {
Expand All @@ -1464,14 +1465,14 @@ func TestNomosMigrate(t *testing.T) {
}

func TestNomosMigrateMonoRepo(t *testing.T) {
nt := nomostest.New(t, nomostesting.NomosCLI, ntopts.SkipConfigSyncInstall)
nt := nomostest.New(t, nomostesting.NomosCLI)

nt.T.Cleanup(func() {
// Restore state of Config Sync installation after test.
// This also emulates upgrading to the current version after migrating
if err := nomostest.InstallConfigSync(nt); err != nil {
if err := nomostest.InstallConfigSync(nt, nomostest.InstallMethodUpdate); err != nil {
nt.T.Fatal(err)
}
nt.Must(nt.WatchForAllSyncs())
})
nt.T.Cleanup(func() {
crds := []string{
Expand Down Expand Up @@ -1707,13 +1708,14 @@ func TestNomosMigrateMonoRepo(t *testing.T) {
// This test case validates the behavior of the uninstall script defined
// at installation/uninstall_configmanagement.sh
func TestACMUninstallScript(t *testing.T) {
nt := nomostest.New(t, nomostesting.NomosCLI, ntopts.SkipConfigSyncInstall)
nt := nomostest.New(t, nomostesting.NomosCLI)

nt.T.Cleanup(func() {
// Restore state of Config Sync installation after test
if err := nomostest.InstallConfigSync(nt); err != nil {
if err := nomostest.InstallConfigSync(nt, nomostest.InstallMethodUpdate); err != nil {
nt.T.Fatal(err)
}
nt.Must(nt.WatchForAllSyncs())
})
nt.T.Cleanup(func() {
cmObj := &unstructured.Unstructured{
Expand Down Expand Up @@ -1861,11 +1863,11 @@ func TestACMUninstallScript(t *testing.T) {
configmanagement.RGControllerName, configmanagement.RGControllerNamespace)
})
tg.Go(func() error {
return nt.Watcher.WatchForNotFound(kinds.Deployment(),
return nt.Watcher.WatchForCurrentStatus(kinds.Deployment(),
core.RootReconcilerName(configsync.RootSyncName), configsync.ControllerNamespace)
})
tg.Go(func() error {
return nt.Watcher.WatchForNotFound(kinds.RootSyncV1Beta1(),
return nt.Watcher.WatchForCurrentStatus(kinds.RootSyncV1Beta1(),
configsync.RootSyncName, configsync.ControllerNamespace)
})
if err := tg.Wait(); err != nil {
Expand Down