Merge pull request kubernetes#123720 from HirazawaUi/fix-slow-dra-test

kubelet: fix slow dra unit test

Author: k8s-ci-robot

pkg/kubelet/cm/devicemanager/plugin/v1beta1/handler.go

@@ -19,6 +19,7 @@ package v1beta1
 import (
 	"fmt"
 	"os"
+	"time"
 
 	core "k8s.io/api/core/v1"
 	"k8s.io/klog/v2"
@@ -37,7 +38,7 @@ func (s *server) GetPluginHandler() cache.PluginHandler {
 	return s
 }
 
-func (s *server) RegisterPlugin(pluginName string, endpoint string, versions []string) error {
+func (s *server) RegisterPlugin(pluginName string, endpoint string, versions []string, pluginClientTimeout *time.Duration) error {
 	klog.V(2).InfoS("Registering plugin at endpoint", "plugin", pluginName, "endpoint", endpoint)
 	return s.connectClient(pluginName, endpoint)
 }

pkg/kubelet/cm/dra/manager_test.go

@@ -84,7 +84,7 @@ type fakeDRAServerInfo struct {
 	teardownFn tearDown
 }
 
-func setupFakeDRADriverGRPCServer(shouldTimeout bool) (fakeDRAServerInfo, error) {
+func setupFakeDRADriverGRPCServer(shouldTimeout bool, pluginClientTimeout *time.Duration) (fakeDRAServerInfo, error) {
 	socketDir, err := os.MkdirTemp("", "dra")
 	if err != nil {
 		return fakeDRAServerInfo{
@@ -117,7 +117,7 @@ func setupFakeDRADriverGRPCServer(shouldTimeout bool) (fakeDRAServerInfo, error)
 		driverName: driverName,
 	}
 	if shouldTimeout {
-		timeout := plugin.PluginClientTimeout + time.Second
+		timeout := *pluginClientTimeout * 2
 		fakeDRADriverGRPCServer.timeout = &timeout
 	}
 
@@ -758,14 +758,20 @@ func TestPrepareResources(t *testing.T) {
 				}
 			}
 
-			draServerInfo, err := setupFakeDRADriverGRPCServer(test.wantTimeout)
+			var pluginClientTimeout *time.Duration
+			if test.wantTimeout {
+				timeout := time.Millisecond * 20
+				pluginClientTimeout = &timeout
+			}
+
+			draServerInfo, err := setupFakeDRADriverGRPCServer(test.wantTimeout, pluginClientTimeout)
 			if err != nil {
 				t.Fatal(err)
 			}
 			defer draServerInfo.teardownFn()
 
 			plg := plugin.NewRegistrationHandler(nil, getFakeNode)
-			if err := plg.RegisterPlugin(test.driverName, draServerInfo.socketName, []string{"1.27"}); err != nil {
+			if err := plg.RegisterPlugin(test.driverName, draServerInfo.socketName, []string{"1.27"}, pluginClientTimeout); err != nil {
 				t.Fatalf("failed to register plugin %s, err: %v", test.driverName, err)
 			}
 			defer plg.DeRegisterPlugin(test.driverName) // for sake of next tests
@@ -1058,14 +1064,20 @@ func TestUnprepareResources(t *testing.T) {
 				t.Fatalf("failed to create a new instance of the claimInfoCache, err: %v", err)
 			}
 
-			draServerInfo, err := setupFakeDRADriverGRPCServer(test.wantTimeout)
+			var pluginClientTimeout *time.Duration
+			if test.wantTimeout {
+				timeout := time.Millisecond * 20
+				pluginClientTimeout = &timeout
+			}
+
+			draServerInfo, err := setupFakeDRADriverGRPCServer(test.wantTimeout, pluginClientTimeout)
 			if err != nil {
 				t.Fatal(err)
 			}
 			defer draServerInfo.teardownFn()
 
 			plg := plugin.NewRegistrationHandler(nil, getFakeNode)
-			if err := plg.RegisterPlugin(test.driverName, draServerInfo.socketName, []string{"1.27"}); err != nil {
+			if err := plg.RegisterPlugin(test.driverName, draServerInfo.socketName, []string{"1.27"}, pluginClientTimeout); err != nil {
 				t.Fatalf("failed to register plugin %s, err: %v", test.driverName, err)
 			}
 			defer plg.DeRegisterPlugin(test.driverName) // for sake of next tests

pkg/kubelet/cm/dra/plugin/client.go

@@ -154,7 +154,7 @@ func (p *plugin) NodePrepareResources(
 		return nil, err
 	}
 
-	ctx, cancel := context.WithTimeout(ctx, PluginClientTimeout)
+	ctx, cancel := context.WithTimeout(ctx, p.clientTimeout)
 	defer cancel()
 
 	version := p.getVersion()
@@ -183,7 +183,7 @@ func (p *plugin) NodeUnprepareResources(
 		return nil, err
 	}
 
-	ctx, cancel := context.WithTimeout(ctx, PluginClientTimeout)
+	ctx, cancel := context.WithTimeout(ctx, p.clientTimeout)
 	defer cancel()
 
 	version := p.getVersion()

pkg/kubelet/cm/dra/plugin/client_test.go

@@ -268,8 +268,9 @@ func TestNodeUnprepareResource(t *testing.T) {
 			defer teardown()
 
 			p := &plugin{
-				endpoint: addr,
-				version:  v1alpha3Version,
+				endpoint:      addr,
+				version:       v1alpha3Version,
+				clientTimeout: PluginClientTimeout,
 			}
 
 			conn, err := p.getOrCreateGRPCConn()

pkg/kubelet/cm/dra/plugin/plugin.go

@@ -49,6 +49,7 @@ type plugin struct {
 	endpoint                string
 	version                 string
 	highestSupportedVersion *utilversion.Version
+	clientTimeout           time.Duration
 }
 
 func (p *plugin) getOrCreateGRPCConn() (*grpc.ClientConn, error) {
@@ -116,19 +117,27 @@ func NewRegistrationHandler(kubeClient kubernetes.Interface, getNode func() (*v1
 }
 
 // RegisterPlugin is called when a plugin can be registered.
-func (h *RegistrationHandler) RegisterPlugin(pluginName string, endpoint string, versions []string) error {
+func (h *RegistrationHandler) RegisterPlugin(pluginName string, endpoint string, versions []string, pluginClientTimeout *time.Duration) error {
 	klog.InfoS("Register new DRA plugin", "name", pluginName, "endpoint", endpoint)
 
 	highestSupportedVersion, err := h.validateVersions("RegisterPlugin", pluginName, versions)
 	if err != nil {
 		return err
 	}
 
+	var timeout time.Duration
+	if pluginClientTimeout == nil {
+		timeout = PluginClientTimeout
+	} else {
+		timeout = *pluginClientTimeout
+	}
+
 	pluginInstance := &plugin{
 		conn:                    nil,
 		endpoint:                endpoint,
 		version:                 v1alpha3Version,
 		highestSupportedVersion: highestSupportedVersion,
+		clientTimeout:           timeout,
 	}
 
 	// Storing endpoint of newly registered DRA Plugin into the map, where plugin name will be the key

pkg/kubelet/cm/dra/plugin/plugin_test.go

@@ -56,7 +56,7 @@ func TestRegistrationHandler_ValidatePlugin(t *testing.T) {
 			description: "plugin already registered with a higher supported version",
 			handler: func() *RegistrationHandler {
 				handler := newRegistrationHandler()
-				if err := handler.RegisterPlugin("this-plugin-already-exists-and-has-a-long-name-so-it-doesnt-collide", "", []string{"v1.1.0"}); err != nil {
+				if err := handler.RegisterPlugin("this-plugin-already-exists-and-has-a-long-name-so-it-doesnt-collide", "", []string{"v1.1.0"}, nil); err != nil {
 					t.Fatal(err)
 				}
 				return handler

pkg/kubelet/pluginmanager/cache/types.go

@@ -16,6 +16,8 @@ limitations under the License.
 
 package cache
 
+import "time"
+
 // PluginHandler is an interface a client of the pluginwatcher API needs to implement in
 // order to consume plugins
 // The PluginHandler follows the simple following state machine:
@@ -51,7 +53,7 @@ type PluginHandler interface {
 	// RegisterPlugin is called so that the plugin can be registered by any
 	// plugin consumer
 	// Error encountered here can still be Notified to the plugin.
-	RegisterPlugin(pluginName, endpoint string, versions []string) error
+	RegisterPlugin(pluginName, endpoint string, versions []string, pluginClientTimeout *time.Duration) error
 	// DeRegisterPlugin is called once the pluginwatcher observes that the socket has
 	// been deleted.
 	DeRegisterPlugin(pluginName string)

pkg/kubelet/pluginmanager/operationexecutor/operation_generator.go

@@ -121,7 +121,7 @@ func (og *operationGenerator) GenerateRegisterPluginFunc(
 		if err != nil {
 			klog.ErrorS(err, "RegisterPlugin error -- failed to add plugin", "path", socketPath)
 		}
-		if err := handler.RegisterPlugin(infoResp.Name, infoResp.Endpoint, infoResp.SupportedVersions); err != nil {
+		if err := handler.RegisterPlugin(infoResp.Name, infoResp.Endpoint, infoResp.SupportedVersions, nil); err != nil {
 			return og.notifyPlugin(client, false, fmt.Sprintf("RegisterPlugin error -- plugin registration failed with err: %v", err))
 		}
 

pkg/kubelet/pluginmanager/plugin_manager_test.go

@@ -59,7 +59,7 @@ func (f *fakePluginHandler) ValidatePlugin(pluginName string, endpoint string, v
 }
 
 // RegisterPlugin is a fake method
-func (f *fakePluginHandler) RegisterPlugin(pluginName, endpoint string, versions []string) error {
+func (f *fakePluginHandler) RegisterPlugin(pluginName, endpoint string, versions []string, pluginClientTimeout *time.Duration) error {
 	f.Lock()
 	defer f.Unlock()
 	f.events = append(f.events, "register "+pluginName)

pkg/kubelet/pluginmanager/reconciler/reconciler_test.go

@@ -127,7 +127,7 @@ func (d *DummyImpl) ValidatePlugin(pluginName string, endpoint string, versions
 }
 
 // RegisterPlugin is a dummy implementation
-func (d *DummyImpl) RegisterPlugin(pluginName string, endpoint string, versions []string) error {
+func (d *DummyImpl) RegisterPlugin(pluginName string, endpoint string, versions []string, pluginClientTimeout *time.Duration) error {
 	return nil
 }