How to use GracefullyKillPlugins method of plugin Package

Best Gauge code snippet using plugin.GracefullyKillPlugins

simpleExecution.go

Source: simpleExecution.go Github

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...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}...

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handler.go

Source: handler.go Github

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...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}...

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GracefullyKillPlugins

Using AI Code Generation

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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 (

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GracefullyKillPlugins

Using AI Code Generation

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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", "

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GracefullyKillPlugins

Using AI Code Generation

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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()

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GracefullyKillPlugins

Using AI Code Generation

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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)

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GracefullyKillPlugins

Using AI Code Generation

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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

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GracefullyKillPlugins

Using AI Code Generation

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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")

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GracefullyKillPlugins

Using AI Code Generation

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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 (

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GracefullyKillPlugins

Using AI Code Generation

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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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