How to use dropNamespace method of main Package

Best Syzkaller code snippet using main.dropNamespace

admin.go

Source:admin.go

...7	"golang.org/x/net/context"8	db "google.golang.org/appengine/datastore"9	"google.golang.org/appengine/log"10)11// dropNamespace drops all entities related to a single namespace.12// Use with care. There is no undo.13// This functionality is intentionally not connected to any handler.14// To use it, first make a backup of the db. Then, specify the target15// namespace in the ns variable, connect the function to a handler, invoke it16// and double check the output. Finally, set dryRun to false and invoke again.17func dropNamespace(c context.Context, w http.ResponseWriter, r *http.Request) error {18	ns := "non-existent"19	dryRun := true20	if !dryRun {21		log.Criticalf(c, "dropping namespace %v", ns)22	}23	w.Header().Set("Content-Type", "text/plain; charset=utf-8")24	fmt.Fprintf(w, "dropping namespace %v\n", ns)25	if err := dropNamespaceReportingState(c, w, ns, dryRun); err != nil {26		return err27	}28	type Entity struct {29		name  string30		child string31	}32	entities := []Entity{33		{textPatch, ""},34		{textReproC, ""},35		{textReproSyz, ""},36		{textKernelConfig, ""},37		{"Job", ""},38		{textLog, ""},39		{textError, ""},40		{textCrashLog, ""},41		{textCrashReport, ""},42		{"Build", ""},43		{"Manager", "ManagerStats"},44		{"Bug", "Crash"},45	}46	for _, entity := range entities {47		keys, err := db.NewQuery(entity.name).48			Filter("Namespace=", ns).49			KeysOnly().50			GetAll(c, nil)51		if err != nil {52			return err53		}54		fmt.Fprintf(w, "%v: %v\n", entity.name, len(keys))55		if entity.child != "" {56			var childKeys []*db.Key57			for _, key := range keys {58				keys1, err := db.NewQuery(entity.child).59					Ancestor(key).60					KeysOnly().61					GetAll(c, nil)62				if err != nil {63					return err64				}65				childKeys = append(childKeys, keys1...)66			}67			fmt.Fprintf(w, "  %v: %v\n", entity.child, len(childKeys))68			if err := dropEntities(c, childKeys, dryRun); err != nil {69				return err70			}71		}72		if err := dropEntities(c, keys, dryRun); err != nil {73			return err74		}75	}76	return nil77}78func dropNamespaceReportingState(c context.Context, w http.ResponseWriter, ns string, dryRun bool) error {79	tx := func(c context.Context) error {80		state, err := loadReportingState(c)81		if err != nil {82			return err83		}84		newState := new(ReportingState)85		for _, ent := range state.Entries {86			if ent.Namespace != ns {87				newState.Entries = append(newState.Entries, ent)88			}89		}90		if !dryRun {91			if err := saveReportingState(c, newState); err != nil {92				return err93			}94		}95		fmt.Fprintf(w, "ReportingState: %v\n", len(state.Entries)-len(newState.Entries))96		return nil97	}98	return db.RunInTransaction(c, tx, nil)99}100func dropEntities(c context.Context, keys []*db.Key, dryRun bool) error {101	if dryRun {102		return nil103	}104	for len(keys) != 0 {105		batch := 100106		if batch > len(keys) {107			batch = len(keys)108		}109		if err := db.DeleteMulti(c, keys[:batch]); err != nil {110			return err111		}112		keys = keys[batch:]113	}114	return nil115}116// updateBugReporting adds missing reporting stages to bugs in a single namespace.117// Use with care. There is no undo.118// This can be used to migrate datastore to a new config with more reporting stages.119// This functionality is intentionally not connected to any handler.120// Before invoking it is recommended to stop all connected instances just in case.121func updateBugReporting(c context.Context, w http.ResponseWriter, r *http.Request) error {122	if accessLevel(c, r) != AccessAdmin {123		return fmt.Errorf("admin only")124	}125	ns := r.FormValue("ns")126	if ns == "" {127		return fmt.Errorf("no ns parameter")128	}129	var bugs []*Bug130	keys, err := db.NewQuery("Bug").131		Filter("Namespace=", ns).132		GetAll(c, &bugs)133	if err != nil {134		return err135	}136	log.Warningf(c, "fetched %v bugs for namespce %v", len(bugs), ns)137	cfg := config.Namespaces[ns]138	var update []*db.Key139	for i, bug := range bugs {140		if len(bug.Reporting) >= len(cfg.Reporting) {141			continue142		}143		update = append(update, keys[i])144	}145	return updateBugBatch(c, update, func(bug *Bug) {146		createBugReporting(bug, cfg)147	})148}149// updateBugTitles adds missing MergedTitles/AltTitles to bugs.150// This can be used to migrate datastore to the new scheme introduced:151// by commit fd1036219797 ("dashboard/app: merge duplicate crashes").152func updateBugTitles(c context.Context, w http.ResponseWriter, r *http.Request) error {153	if accessLevel(c, r) != AccessAdmin {154		return fmt.Errorf("admin only")155	}156	var keys []*db.Key157	if err := foreachBug(c, nil, func(bug *Bug, key *db.Key) error {158		if len(bug.MergedTitles) == 0 || len(bug.AltTitles) == 0 {159			keys = append(keys, key)160		}161		return nil162	}); err != nil {163		return err164	}165	log.Warningf(c, "fetched %v bugs for update", len(keys))166	return updateBugBatch(c, keys, func(bug *Bug) {167		if len(bug.MergedTitles) == 0 {168			bug.MergedTitles = []string{bug.Title}169		}170		if len(bug.AltTitles) == 0 {171			bug.AltTitles = []string{bug.Title}172		}173	})174}175func updateBugBatch(c context.Context, keys []*db.Key, transform func(bug *Bug)) error {176	for len(keys) != 0 {177		batchSize := 20178		if batchSize > len(keys) {179			batchSize = len(keys)180		}181		batchKeys := keys[:batchSize]182		keys = keys[batchSize:]183		tx := func(c context.Context) error {184			bugs := make([]*Bug, len(batchKeys))185			if err := db.GetMulti(c, batchKeys, bugs); err != nil {186				return err187			}188			for _, bug := range bugs {189				transform(bug)190			}191			_, err := db.PutMulti(c, batchKeys, bugs)192			return err193		}194		if err := db.RunInTransaction(c, tx, &db.TransactionOptions{XG: true}); err != nil {195			return err196		}197		log.Warningf(c, "updated %v bugs", len(batchKeys))198	}199	return nil200}201// Prevent warnings about dead code.202var (203	_ = dropNamespace204	_ = updateBugReporting205	_ = updateBugTitles206)...

main.go

Source:main.go

...19)20func main() {21	var (22		kubeconfig *string23		dropNamespace = make(map[string]struct{})24	)25	dropNamespace["wuzh"] = struct {}{}26	dropNamespace["velero"] = struct {}{}27	dropNamespace["test"] = struct {}{}28	dropNamespace["redis"] = struct {}{}29	dropNamespace["postgres"] = struct {}{}30	dropNamespace["kube-system"] = struct {}{}31	dropNamespace["kube-public"] = struct {}{}32	dropNamespace["jenkins"] = struct {}{}33	dropNamespace["integration"] = struct {}{}34	dropNamespace["eolinker"] = struct {}{}35	dropNamespace["default"] = struct {}{}36	dropNamespace["cicd"] = struct {}{}37	dropNamespace["cattle-system"] = struct {}{}38	if home := homeDir(); home != "" {39		kubeconfig = flag.String("kubeconfig", filepath.Join(home, ".kube", "config"), "(optional) absolute path to the kubeconfig file")40	} else {41		kubeconfig = flag.String("kubeconfig", "", "absolute path to the kubeconfig file")42	}43	flag.Parse()44	// use the current context in kubeconfig45	config, err := clientcmd.BuildConfigFromFlags("", *kubeconfig)46	if err != nil {47		panic(err.Error())48	}49	// create the clientset50	clientset, err := kubernetes.NewForConfig(config)51	if err != nil {52		panic(err.Error())53	}54	//pods, err := clientset.CoreV1().Pods("fstest").List(metav1.ListOptions{})55	//if err != nil {56	//	panic(err.Error())57	//}58	//fmt.Printf("There are %d pods in the cluster\n", len(pods.Items))59	// è·ånamespace60	namespaceList, err := clientset.CoreV1().Namespaces().List(metav1.ListOptions{})61	if err != nil {62		panic(err)63	}64	var deploymentInfo = make(map[string][]int32)65	for _,nsList := range namespaceList.Items {66		if _,ok := dropNamespace[nsList.Name]; ok {67			continue68		}69		deployment,err := clientset.AppsV1().Deployments(nsList.Name).List(metav1.ListOptions{})70		if err != nil {71			panic(err)72		}73		// éådeployment74		for _,i := range deployment.Items {75			var b int32 = 076			if i.Spec.Replicas != &b {77				deploymentInfo[getDeploymentName(nsList.Name,i.Labels["app"])] = nil78			}79		}80		// éåsvc...

dropNamespace

Using AI Code Generation

1import (2func main() {3	fmt.Println(dropNamespace("main.go"))4}5import (6func main() {7	fmt.Println(dropNamespace("main.go"))8}9import (10func main() {11	fmt.Println(dropNamespace("main.go"))12}13import (14func main() {15	fmt.Println(dropNamespace("main.go"))16}17import (18func main() {19	fmt.Println(dropNamespace("main.go"))20}21import (22func main() {23	fmt.Println(dropNamespace("main.go"))24}25import (26func main() {27	fmt.Println(dropNamespace("main.go"))28}29import (30func main() {31	fmt.Println(dropNamespace("main.go"))32}33import (34func main() {35	fmt.Println(dropNamespace("main.go"))36}37import (38func main() {39	fmt.Println(dropNamespace("main.go"))40}41import (42func main() {43	fmt.Println(dropNamespace("main.go"))44}45import (46func main() {47	fmt.Println(dropNamespace("main.go"))48}

dropNamespace

Using AI Code Generation

1import (2func main() {3}4import (5func main() {6}7import (8func main() {9}10import (11func main() {12}13import (14func main() {15}16import (17func main() {18}19import (20func main() {21}22import (23func main() {24}25import (26func main() {

dropNamespace

Using AI Code Generation

1import (2func main() {3    ns1 = dropNamespace(ns)4    fmt.Println(ns1)5}6import (7func dropNamespace(ns string) string {8    return strings.Split(ns, ".")[2]9}10I have a main.go file which has a method dropNamespace() . I want to use this method in another file 2.go . I am getting an error saying undefined: dropNamespace . I am using golang 1.6.2 on windows 10. I have tried to use go build but it gives no error. I have also tried to use go run but it gives the same error. Here is my code:11import (12func main() {13    f, err := os.Open("test.csv")14    if err != nil {15        log.Fatal(err)16    }17    r := csv.NewReader(bufio.NewReader(f))18    r.Comma = ';'19    lines, err := r.ReadAll()20    if err != nil {21        log.Fatal(err)22    }23    f1, err := os.Create("output.txt")24    if err != nil {25        log.Fatal(err)26    }27    for _, line := range lines {28        f1.WriteString(strings.Join(line, ","))29    }30    f1.Close()31    for _, line := range lines {32        fmt.Println(strings.Join(line, ","))33    }34}

dropNamespace

Using AI Code Generation

1import (2func main() {3	fmt.Println("Hello World")4	obj := new(main)5	obj.dropNamespace("www.google.com")6}7import (8func main() {9	fmt.Println("Hello World")10	obj := new(main)11	obj.dropNamespace("www.google.com")12}13import (14func main() {15	fmt.Println("Hello World")16	obj := new(main)17	obj.dropNamespace("www.google.com")18}19import (20func main() {21	fmt.Println("Hello World")22	obj := new(main)23	obj.dropNamespace("www.google.com")24}25import (26func main() {27	fmt.Println("Hello World")28	obj := new(main)29	obj.dropNamespace("www.google.com")30}31import (32func main() {33	fmt.Println("Hello World")34	obj := new(main)35	obj.dropNamespace("www.google.com")36}37import (38func main() {39	fmt.Println("Hello World")40	obj := new(main)41	obj.dropNamespace("www.google.com")42}

dropNamespace

Using AI Code Generation

1import (2func main() {3	ns := namespace.NewNamespace()4	ns.CreateNamespace("test")5	ns.DropNamespace("test")6	fmt.Println(ns.NamespaceExists("test"))7}

dropNamespace

Using AI Code Generation

1import (2func main() {3    fmt.Println("Hello, playground")4    t := xyz.New("abc")5    t.DropNamespace()6}7cannot use s (type string) as type []rune in argument to len8import "fmt"9func main() {10    fmt.Println("Enter a string")11    fmt.Scanln(&s)12    if len(s) == 0 {13        fmt.Println("The string is empty")14    } else {15        fmt.Println("The string is not empty")16    }17}18I am trying to write a program which will take a string as input and will check if the string is a palindrome or not. I am new to golang and I am not able to write the program. I am getting the following error: cannot use s (type string) as type []rune in argument to len19import "fmt"20func main() {21    fmt.Println("Enter a string")22    fmt.Scanln(&s)23    if len(s) == 0 {24        fmt.Println("The string is empty")25    } else {26        fmt.Println("The string is not empty")27    }28}29I am trying to write a program which will take a string as input and will check if the string is a palindrome or not. I am new to golang and I am not able to write the program. I am getting the following error: cannot use s (type string) as type []rune in argument to len30import "fmt"31func main() {32    fmt.Println("Enter a string")33    fmt.Scanln(&s)34    if len(s) == 0 {35        fmt.Println("The string is empty")36    } else {37        fmt.Println("The string is not empty")38    }39}40I am trying to write a program which will take a string as input and will check if the string is a palindrome or not. I am new to golang and I am not able to write the program. I am getting the following error: cannot use s (type string) as

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