How to use shutdownInstance method of main Package

Best Syzkaller code snippet using main.shutdownInstance

start.go

Source:start.go

...90}91// shutdown tries to gracefully shutdown all started server instances.92func (i *instanceManager) shutdown(ctx context.Context, cancelFunc context.CancelFunc) {93	for _, server := range i.servers {94		go i.shutdownInstance(ctx, server)95	}96	i.wg.Wait()97	logrus.Info("all servers stopped gracefully")98	cancelFunc()99}100// shutdownInstance tries to gracefully shutdown a single server instance.101func (i *instanceManager) shutdownInstance(ctx context.Context, server textproto.Server) {102	server.Shutdown(ctx)103	i.wg.Done()104}105// start reads all configured smtp and pop3 servers and then starts all of them.106func (i *instanceManager) start() error {107	for protoName, proto := range map[string]textproto.Protocol{108		"smtp": i.smtpProto,109		"pop3": i.pop3Proto,110	} {111		configSlice, err := unmarshalServerConfigs(protoName)112		if err != nil {113			return fmt.Errorf("could not unmarshal %s server configuration: %w",114				protoName, err)115		}...

routes.go

Source:routes.go

1// Copyright 2018 Unknwon. All rights reserved.2// Use of this source code is governed by a MIT-style3// license that can be found in the LICENSE file.4package main5import (6	"net/http"7	"strings"8	"time"9	log "gopkg.in/clog.v1"10	"gopkg.in/macaron.v1"11	"github.com/Unknwon/Project-Spartan/cpanel/pkg/awsec2"12	"github.com/Unknwon/Project-Spartan/cpanel/pkg/docker"13	"github.com/Unknwon/Project-Spartan/cpanel/pkg/gcpvm"14	"github.com/Unknwon/Project-Spartan/cpanel/pkg/setting"15	"github.com/Unknwon/Project-Spartan/haproxy/pkg/registry"16)17func Home(c *macaron.Context) {18	c.HTML(200, "app")19}20func Dashboard(c *macaron.Context) {21	c.JSON(200, map[string]interface{}{22		"haproxies": haproxyRegistry.Instances,23		"servers":   serverRegistry.Instances,24		"databases": databaseRegistry.Instances,25	})26}27func updateProxyConfig(in *registry.Instance) {28	// Update configuration file29	setting.Config.Section("server").Key("END_POINTS").SetValue(strings.Join(serverRegistry.List(), ", "))30	setting.Config.SaveTo(setting.CUSTOM_CONF_PATH)31	c := &http.Client{32		Timeout: setting.HealthCheck.Timeout,33	}34	for _, p := range haproxyRegistry.Instances {35		_, err := c.Get("http://" + p.Address + "/update_address?name=" + in.Name + "&address=" + in.Address)36		if err != nil {37			log.Error(2, "Failed to update config of proxy '%s': %v", p.Name, err)38		}39	}40}41func StartServer(c *macaron.Context) {42	in, err := serverRegistry.InstanceByName(c.Query("name"))43	if err != nil {44		c.PlainText(422, []byte(err.Error()))45		return46	}47	switch {48	case strings.Contains(in.Name, "-docker-"):49		err = docker.CreateContainer(in.Name, in.Address, "rportal:latest")50	case strings.Contains(in.Name, "-aws-"):51		err = awsec2.StartInstance(in.Name)52		time.AfterFunc(10*time.Second, func() {53			for {54				ip, err := awsec2.GetInstancePublicIPv4(in.Name)55				if err == nil {56					if ip != "None" {57						serverRegistry.SetInstanceAddress(in.Name, ip+":8002")58						break59					}60				}61				time.Sleep(1 * time.Second)62			}63			updateProxyConfig(in)64		})65	case strings.Contains(in.Name, "-gcp-"):66		err = gcpvm.StartInstance(in.Name)67		if err != nil {68			break69		}70		var ip string71		ip, err = gcpvm.GetInstancePublicIPv4(in.Name)72		if err == nil {73			serverRegistry.SetInstanceAddress(in.Name, ip+":8002")74			updateProxyConfig(in)75		}76	default:77		c.PlainText(422, []byte("Application runs on given infrastructure is not supported"))78		return79	}80	if err != nil {81		c.PlainText(500, []byte(err.Error()))82		return83	}84	c.Status(204)85}86func ShutdownServer(c *macaron.Context) {87	in, err := serverRegistry.InstanceByName(c.Query("name"))88	if err != nil {89		c.PlainText(422, []byte(err.Error()))90		return91	}92	switch {93	case strings.Contains(in.Name, "-docker-"):94		err = docker.ShutdownContainer(in.Name)95	case strings.Contains(in.Name, "-aws-"):96		err = awsec2.ShutdownInstance(in.Name)97	case strings.Contains(in.Name, "-gcp-"):98		err = gcpvm.ShutdownInstance(in.Name)99	default:100		c.PlainText(422, []byte("Application runs on given infrastructure is not supported"))101		return102	}103	if err != nil {104		c.PlainText(500, []byte(err.Error()))105		return106	}107	c.Status(204)108}...

chaosmonkey_test.go

Source:chaosmonkey_test.go

1package chaosmonkey_test2import (3	"flag"4	"fmt"5	"net/http"6	"net/http/httptest"7	"os"8	"testing"9	"time"10	"github.com/google/go-cmp/cmp"11	chaosmonkey "github.com/mlafeldt/chaosmonkey/lib"12)13const newEvent = `14  {15    "monkeyType": "CHAOS",16    "eventId": "i-12345678",17    "eventType": "CHAOS_TERMINATION",18    "eventTime": 1460116927834,19    "region": "eu-west-1",20    "groupType": "ASG",21    "groupName": "SomeAutoScalingGroup",22    "chaosType": "ShutdownInstance"23  }24`25const pastEvents = `[26  {27    "monkeyType": "CHAOS",28    "eventId": "i-12345678",29    "eventType": "CHAOS_TERMINATION",30    "eventTime": 1460116927834,31    "region": "eu-west-1",32    "groupType": "ASG",33    "groupName": "SomeAutoScalingGroup",34    "chaosType": "ShutdownInstance"35  },36  {37    "monkeyType": "CHAOS",38    "eventId": "i-87654321",39    "eventType": "CHAOS_TERMINATION",40    "eventTime": 1460116816326,41    "region": "us-east-1",42    "groupType": "ASG",43    "groupName": "AnotherAutoScalingGroup",44    "chaosType": "BlockAllNetworkTraffic"45  }46]`47var client *chaosmonkey.Client48func TestMain(m *testing.M) {49	flag.Parse()50	// Test server faking Chaos Monkey REST API51	ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {52		if r.URL.Path == chaosmonkey.APIPath {53			switch r.Method {54			case "POST":55				fmt.Fprint(w, newEvent)56				return57			case "GET":58				fmt.Fprint(w, pastEvents)59				return60			}61		}62		http.NotFound(w, r)63	}))64	defer ts.Close()65	var err error66	client, err = chaosmonkey.NewClient(&chaosmonkey.Config{Endpoint: ts.URL})67	if err != nil {68		panic(err)69	}70	os.Exit(m.Run())71}72func TestTriggerEvent(t *testing.T) {73	event, err := client.TriggerEvent("SomeAutoScalingGroup", chaosmonkey.StrategyShutdownInstance)74	if err != nil {75		t.Fatal(err)76	}77	expected := &chaosmonkey.Event{78		InstanceID:           "i-12345678",79		AutoScalingGroupName: "SomeAutoScalingGroup",80		Region:               "eu-west-1",81		Strategy:             chaosmonkey.StrategyShutdownInstance,82		TriggeredAt:          time.Unix(1460116927, 0).UTC(),83	}84	if diff := cmp.Diff(expected, event); diff != "" {85		t.Fatal(diff)86	}87}88func TestEvents(t *testing.T) {89	events, err := client.Events()90	if err != nil {91		t.Fatal(err)92	}93	expected := []chaosmonkey.Event{94		{95			InstanceID:           "i-12345678",96			AutoScalingGroupName: "SomeAutoScalingGroup",97			Region:               "eu-west-1",98			Strategy:             chaosmonkey.StrategyShutdownInstance,99			TriggeredAt:          time.Unix(1460116927, 0).UTC(),100		},101		{102			InstanceID:           "i-87654321",103			AutoScalingGroupName: "AnotherAutoScalingGroup",104			Region:               "us-east-1",105			Strategy:             chaosmonkey.StrategyBlockAllNetworkTraffic,106			TriggeredAt:          time.Unix(1460116816, 0).UTC(),107		},108	}109	if diff := cmp.Diff(expected, events); diff != "" {110		t.Fatal(diff)111	}112}...

shutdownInstance

Using AI Code Generation

1import "fmt"2func main() {3  fmt.Println("Hello, playground")4  shutdownInstance()5}6import "fmt"7func shutdownInstance() {8  fmt.Println("Shutdown instance")9}10import "fmt"11func main() {12  fmt.Println("Hello, playground")13  shutdownInstance()14}15import "fmt"16func shutdownInstance() {17  fmt.Println("Shutdown instance")18}19import "fmt"20func main() {21  fmt.Println("Hello, playground")22  shutdownInstance()23}24import "fmt"25func shutdownInstance() {26  fmt.Println("Shutdown instance")27}28import "fmt"29func main() {30  fmt.Println("Hello, playground")31  shutdownInstance()32}33import "fmt"34func shutdownInstance() {35  fmt.Println("Shutdown instance")36}37import "fmt"38func main() {39  fmt.Println("Hello, playground")40  shutdownInstance()41}42import "fmt"43func shutdownInstance() {44  fmt.Println("Shutdown instance")45}46import "fmt"47func main() {48  fmt.Println("Hello, playground")49  shutdownInstance()50}51import "fmt"52func shutdownInstance() {53  fmt.Println("Shutdown instance")54}55import "fmt"56func main() {57  fmt.Println("Hello, playground

shutdownInstance

Using AI Code Generation

1import "fmt"2import "os"3import "os/signal"4import "syscall"5import "time"6func main() {7    var shutdown = make(chan os.Signal)8    signal.Notify(shutdown, syscall.SIGTERM)9    signal.Notify(shutdown, syscall.SIGINT)10    go func() {11        fmt.Println("Got signal:", sig)12        shutdownInstance()13    }()14    go func() {15        for {16            fmt.Println("Doing work")17            time.Sleep(1 * time.Second)18        }19    }()20    select {}21}22func shutdownInstance() {23    fmt.Println("Shutting down")24    os.Exit(0)25}26signal.Notify(shutdown, syscall.SIGHUP)27signal.Notify(shutdown, syscall.SIGTERM, syscall.SIGINT, syscall.SIGHUP)28signal.Notify(shutdown, syscall.SIGABRT, syscall.SIGALRM, syscall.SIGBUS, syscall.SIGCHLD, syscall.SIGCONT, syscall.SIGFPE, syscall.SIGHUP, syscall.SIGILL, syscall

shutdownInstance

Using AI Code Generation

1import (2func main() {3	fmt.Println("Hello, playground")4}5import (6type shutdownInstance struct {7}8func (s *shutdownInstance) shutdown() {9	fmt.Println("shutdown")10}11import (12func main() {13	fmt.Println("Hello, playground")14}15import (16type shutdownInstance struct {17}18func (s *shutdownInstance) shutdown() {19	fmt.Println("shutdown")20}21import (22func main() {23	fmt.Println("Hello, playground")24}25import (26type shutdownInstance struct {27}28func (s *shutdownInstance) shutdown() {29	fmt.Println("shutdown")30}31import (32func main() {33	fmt.Println("Hello, playground")34}35import (36type shutdownInstance struct {37}38func (s *shutdownInstance) shutdown() {39	fmt.Println("shutdown")40}41import (42func main() {43	fmt.Println("Hello, playground")44}45import (46type shutdownInstance struct {47}48func (s *shutdownInstance) shutdown() {49	fmt.Println("shutdown")50}51import (52func main() {53	fmt.Println("Hello, playground")54}55import (56type shutdownInstance struct {57}58func (s *shutdownInstance) shutdown() {59	fmt.Println("shutdown")60}

shutdownInstance

Using AI Code Generation

1import (2func main() {3    fmt.Println("Starting main program")4    go shutdownInstance()5    fmt.Println("Main program running")6    for {7    }8}9func shutdownInstance() {10    c := make(chan os.Signal, 1)11    signal.Notify(c, os.Interrupt, syscall.SIGTERM)12    fmt.Println("Shutdown signal received")13    fmt.Println("Shutting down")14}15import (16func main() {17    fmt.Println("Starting main program")18    go shutdownInstance()19    fmt.Println("Main program running")20    http.HandleFunc("/", handler)21    http.ListenAndServe(":8080", nil)22}23func shutdownInstance() {24    c := make(chan os.Signal, 1)25    signal.Notify(c, os.Interrupt, syscall.SIGTERM)26    fmt.Println("Shutdown signal received")27    fmt.Println("Shutting down")28    os.Exit(0)29}30func handler(w http.ResponseWriter, r *http.Request) {31    fmt.Fprintf(w, "Hello World!")32    time.Sleep(10 * time.Second)33}

shutdownInstance

Using AI Code Generation

1import (2func main() {3	fmt.Println("start")4	fmt.Println("end")5}6import (7func main() {8	fmt.Println("start")9	fmt.Println("end")10}11import (12func main() {13	fmt.Println("start")14	fmt.Println("end")15}16import (17func main() {18	fmt.Println("start")19	fmt.Println("end")20}21I have a main class and multiple sub classes. I want to call the shutdownInstance method of the main class from the sub classes. I have tried the following but it doesn't work. I get the error "shutdownInstance undefined (type *main has no field or method shutdownInstance)". It seems that the sub classes can't access the methods of the main class. How can I make this work?Here is the code I have:22import (23type mainClass struct {24}25func (m *mainClass) shutdownInstance() {26    fmt.Println("shutdownInstance")27}28func main() {29    m := &mainClass{}30    fmt.Println("start")31    m.shutdownInstance()32    fmt.Println("end")33}

shutdownInstance

Using AI Code Generation

1import "fmt"2import "time"3type Instance struct {4}5func (i *Instance) shutdownInstance() {6}7func main() {8    i := Instance{"instance1", "running"}9    fmt.Println("instance status before shutdown:", i.status)10    i.shutdownInstance()11    time.Sleep(5 * time.Second)12    fmt.Println("instance status after shutdown:", i.status)13}14type Instance struct {15}16func (i Instance) shutdownInstance() {17}18func main() {19    i := Instance{"instance1", "running"}20    i.shutdownInstance()21}22type Instance struct {23}24func (i *Instance) shutdownInstance() {25}26func main() {27    i := Instance{"instance1", "running"}28    i.shutdownInstance()29}30type Instance struct {31}32func (i *Instance) shutdownInstance() {33}34func main() {35    i := Instance{"instance1", "running"}36    i.shutdownInstance()37}38./2.go:7:6: cannot use i (type Instance

shutdownInstance

Using AI Code Generation

1import "fmt"2func main(){3    fmt.Println("Calling shutdownInstance method")4    shutdownInstance()5    fmt.Println("shutdownInstance method called successfully")6}

shutdownInstance

Using AI Code Generation

1import (2func main() {3	instance := MainClass{}4	instance.shutdownInstance()5}6type MainClass struct {7}8func (m *MainClass) shutdownInstance() {9	fmt.Println("Shutdown Instance")10}11import (12func main() {13	instance := MainClass{}14	instance.shutdownInstance()15}16type MainClass struct {17}18func (m *MainClass) shutdownInstance() {19	fmt.Println("Shutdown Instance")20}

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