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Gauge
plugin
GracefullyKillPlugins

How to use GracefullyKillPlugins method of plugin Package

Best Gauge code snippet using plugin.GracefullyKillPlugins

simpleExecution.go

Source:simpleExecution.go

...130func (e *simpleExecution) notifyExecutionStop() {131	m := &gauge_messages.Message{MessageType: gauge_messages.Message_KillProcessRequest,132		KillProcessRequest: &gauge_messages.KillProcessRequest{}}133	e.pluginHandler.NotifyPlugins(m)134	e.pluginHandler.GracefullyKillPlugins()135}136func handleHookFailure(result result.Result, execResult *gauge_messages.ProtoExecutionResult, f func(result.Result, *gauge_messages.ProtoExecutionResult)) {137	f(result, execResult)138}...

handler.go

Source:handler.go

...11)12// Handler manages plugins listed in project manifest.13type Handler interface {14	NotifyPlugins(*gauge_messages.Message)15	GracefullyKillPlugins()16}17// GaugePlugins holds a reference to all plugins launched. The plugins are listed in project manifest18type GaugePlugins struct {19	pluginsMap map[string]*plugin20}21func (gp *GaugePlugins) addPlugin(pluginID string, pluginToAdd *plugin) {22	if gp.pluginsMap == nil {23		gp.pluginsMap = make(map[string]*plugin)24	}25	gp.pluginsMap[pluginID] = pluginToAdd26}27func (gp *GaugePlugins) removePlugin(pluginID string) {28	delete(gp.pluginsMap, pluginID)29}30// NotifyPlugins passes a message to all plugins listed in the manifest31func (gp *GaugePlugins) NotifyPlugins(message *gauge_messages.Message) {32	var handle = func(id string, p *plugin, err error) {33		if err != nil {34			logger.Errorf(true, "Unable to connect to plugin %s %s. %s\n", p.descriptor.Name, p.descriptor.Version, err.Error())35			gp.killPlugin(id)36		}37	}38	for id, plugin := range gp.pluginsMap {39		handle(id, plugin, plugin.sendMessage(message))40	}41}42func (gp *GaugePlugins) killPlugin(pluginID string) {43	plugin := gp.pluginsMap[pluginID]44	logger.Debugf(true, "Killing Plugin %s %s\n", plugin.descriptor.Name, plugin.descriptor.Version)45	err := plugin.pluginCmd.Process.Kill()46	if err != nil {47		logger.Errorf(true, "Failed to kill plugin %s %s. %s\n", plugin.descriptor.Name, plugin.descriptor.Version, err.Error())48	}49	gp.removePlugin(pluginID)50}51// GracefullyKillPlugins tells the plugins to stop, letting them cleanup whatever they need to52func (gp *GaugePlugins) GracefullyKillPlugins() {53	var wg sync.WaitGroup54	for _, pl := range gp.pluginsMap {55		wg.Add(1)56		logger.Debugf(true, "Sending kill message to %s plugin.", pl.descriptor.Name)57		go func(p *plugin) {58			err := p.kill(&wg)59			if err != nil {60				logger.Errorf(false, "Unable to kill plugin %s : %s", p.descriptor.Name, err.Error())61			}62		}(pl)63	}64	wg.Wait()65}...

GracefullyKillPlugins

Using AI Code Generation

1import (2func main() {3	plugin.Serve(&plugin.ServeOpts{4		Backend: &backend.ServeOpts{5			ResourceFactory: func(pluginID string) (backend.Resource, error) {6				return &httpadapter.Resource{7					ToHTTPHandler: func() http.Handler {8						mux := router.New()9						mux.Use(middleware.Logger)10						mux.Get("/hello", func(c *request.Context) response.Response {11							return response.JSON(http.StatusOK, "hello")12						})13						mux.Get("/hello/:name", func(c *request.Context) response.Response {14							name := c.Params(":name")15							return response.JSON(http.StatusOK, "hello "+name)16						})17						mux.Get("/hello/:name/:surname", func(c *request.Context) response.Response {18							name := c.Params(":name")19							surname := c.Params(":surname")20							return response.JSON(http.StatusOK, "hello "+name+" "+surname)21						})22						mux.Post("/hello", func(c *request.Context) response.Response {23							name := c.Params(":name")24							return response.JSON(http.StatusOK, "hello "+name)25						})26					},27				}, nil28			},29		},30	})31}32import (

GracefullyKillPlugins

Using AI Code Generation

1import (2type Server struct {3}4func (s *Server) SayHello(ctx context.Context, req *shared.HelloRequest) (*shared.HelloReply, error) {5	return &shared.HelloReply{Message: s.Impl.Hello(req.Name)}, nil6}7func main() {8	client := plugin.NewClient(&plugin.ClientConfig{9		Cmd:              plugin.Command("./plugin", []string{"-plugin", "type=grpc"}),10		AllowedProtocols: []plugin.Protocol{plugin.ProtocolGRPC},11	})12	rpcClient, err := client.Client()13	if err != nil {14		log.Fatal(err)15	}16	raw, err := rpcClient.Dispense("greeter")17	if err != nil {18		log.Fatal(err)19	}20	greeter := raw.(simple.Greeter)21	fmt.Println(greeter.Hello("World"))22	grpcServer := grpc.NewServer()23	shared.RegisterGreeterServer(grpcServer, &Server{Impl: greeter})24	lis, err := net.Listen("tcp", "

GracefullyKillPlugins

Using AI Code Generation

1plugin.GracefullyKillPlugins()2plugin.KillPlugins()3plugin.CreatePlugins()4plugin.StartPlugins()5plugin.StopPlugins()6plugin.RestartPlugins()7plugin.GetPluginState()8plugin.GetPluginPid()9plugin.GetPluginStdout()10plugin.GetPluginStderr()11plugin.GetPluginStdin()12plugin.GetPluginExitCode()13plugin.GetPluginExitSignal()14plugin.GetPluginExitError()15plugin.GetPluginConfig()16plugin.GetPluginConfigValue()17plugin.SetPluginConfigValue()18plugin.GetPluginConfigSection()19plugin.GetPluginConfigSubSections()20plugin.SetPluginConfigSection()21plugin.GetPluginConfigSubSection()22plugin.SetPluginConfigSubSection()23plugin.GetPluginConfigValueFromSection()24plugin.SetPluginConfigValueFromSection()25plugin.GetPluginConfigSubSectionFromSection()26plugin.SetPluginConfigSubSectionFromSection()

GracefullyKillPlugins

Using AI Code Generation

1import (2func main() {3	p, err := plugin.Open("plugin.so")4	if err != nil {5		panic(err)6	}7	GracefullyKillPlugins, err := p.Lookup("GracefullyKillPlugins")8	if err != nil {9		panic(err)10	}11	GracefullyKillPlugins.(func())()12}13import (14func main() {15	sigs := make(chan os.Signal, 1)16	signal.Notify(sigs, syscall.SIGINT, syscall.SIGTERM)17	fmt.Println("Received signal, gracefully shutting down.")18}19import (20func main() {21	cmd := exec.Command("./plugin")22	cmd.Start()23	cmd.Wait()24	if cmd.ProcessState.Sys().(syscall.WaitStatus).ExitStatus() == 0 {25		fmt.Println("Plugin exited gracefully.")26	} else {27		fmt.Println("Plugin exited with error.")28	}29}30leave a comment for the author, please follow the link and comment on their blog: Golang Examples. Tofor the author, please follow the link and comment on their blog: Want to share your content on R-bloggers? [This article was first published on Golang Examples, and kindly contributed to R-bloggers]. (You can report issue about the content on this page here)

GracefullyKillPlugins

Using AI Code Generation

1import (2func TestGracefullyKillPlugins(t *testing.T) {3	cluster := mock.NewCluster("test", 1)4	cluster.Start()5	plugin := mockplugin.NewPlugin("test", 1)6	plugin.Start()7	task := mocktask.NewTask("test", 1)8	task.Start()9	util := mockutil.NewUtil("test", 1)10	util.Start()11	node := metamocks.NewNode(t, "test", 1)12	node.Start()13	coordinator := metamocks.NewCoordinator(t, "test", 1)14	coordinator.Start()15	consumer := metamocks.NewConsumer(t, "test", 1)16	consumer.Start()17	balancer := metamocks.NewBalancer(t, "test", 1)18	balancer.Start()19	router := metamocks.NewRouter(t, "test", 1)20	router.Start()21	runner := metamocks.NewRunner(t

GracefullyKillPlugins

Using AI Code Generation

1import (2const (3var (4	Plugin = &testPlugin{}5type testPlugin struct {6}7func (p *testPlugin) CollectMetrics(mts []plugin.MetricType) ([]plugin.MetricType, error) {8}9func (p *testPlugin) GetConfigPolicy() (plugin.ConfigPolicy, error) {10	return plugin.ConfigPolicy{}, nil11}12func main() {13	plugin.Start(Plugin)14}15func GracefullyKillPlugins(plugins []core.SubscribedPlugin, killChan chan int, timeout int) {16	log.Println("Gracefully killing plugins")17	wg.Add(len(plugins))18	for _, p := range plugins {19		go func(p core.SubscribedPlugin) {20			defer wg.Done()21			if p.TypeName == "collector" && p.IsStreaming() {22				killStreamingCollector(p)23			}24			killPlugin(p)25		}(p)26	}27	wg.Wait()28}29func killStreamingCollector(p core.SubscribedPlugin) {30	log.Println("Killing streaming collector")

GracefullyKillPlugins

Using AI Code Generation

1import (2func main() {3  client := plugin.NewClient(&plugin.ClientConfig{4    Cmd:              exec.Command("sh", "-c", "cd /tmp && ./plugin"),5    AllowedProtocols: []plugin.Protocol{plugin.ProtocolGRPC},6  })7  defer client.Kill()8  rpcClient, err := client.Client()9  if err != nil {10    panic(err)11  }12  raw, err := rpcClient.Dispense("go-plugin-example")13  if err != nil {14    panic(err)15  }16  plugin, ok := raw.(plugin.ExamplePlugin)17  if !ok {18    panic("unexpected plugin type")19  }20  fmt.Println(plugin.GracefullyKillPlugins())21}22import (23func main() {24  client := plugin.NewClient(&plugin.ClientConfig{25    Cmd:              exec.Command("sh", "-c", "cd /tmp && ./plugin"),26    AllowedProtocols: []plugin.Protocol{plugin.ProtocolGRPC},27  })28  defer client.Kill()29  rpcClient, err := client.Client()30  if err != nil {31    panic(err)32  }33  raw, err := rpcClient.Dispense("go-plugin-example")34  if err != nil {35    panic(err)36  }37  plugin, ok := raw.(plugin.ExamplePlugin)38  if !ok {39    panic("unexpected plugin type")40  }41  fmt.Println(plugin.KillPlugins())42}43import (

GracefullyKillPlugins

Using AI Code Generation

1import (2func main() {3	fmt.Println("Hello, playground")4	plugin.GracefullyKillPlugins()5}6import (7func main() {8	fmt.Println("Hello, playground")9	plugin.StartPlugins()10}11import (12func main() {13	fmt.Println("Hello, playground")14	plugin.StartPlugins()15}16import (17func main() {18	fmt.Println("Hello, playground")19	plugin.StartPlugins()20}21import (22func main() {23	fmt.Println("Hello, playground")24	plugin.StartPlugins()25}26import (27func main() {28	fmt.Println("Hello, playground")29	plugin.StartPlugins()30}31import (32func main() {33	fmt.Println("Hello, playground")34	plugin.StartPlugins()35}36import (37func main() {38	fmt.Println("Hello, playground")39	plugin.StartPlugins()40}41import (42func main() {43	fmt.Println("Hello, playground")44	plugin.StartPlugins()45}

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