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How to use repair method of isolated Package

Best Syzkaller code snippet using isolated.repair

isolated.go

Source:isolated.go

...18}19type Config struct {20	Targets       []string // target machines21	Target_Dir    string   // directory to copy/run on target22	Target_Reboot bool     // reboot target on repair23}24type Pool struct {25	env *vmimpl.Env26	cfg *Config27}28type instance struct {29	cfg    *Config30	target string31	closed chan bool32	debug  bool33	sshkey string34	port   int35}36func ctor(env *vmimpl.Env) (vmimpl.Pool, error) {37	cfg := &Config{}38	if err := config.LoadData(env.Config, cfg); err != nil {39		return nil, err40	}41	if len(cfg.Targets) == 0 {42		return nil, fmt.Errorf("config param targets is empty")43	}44	if cfg.Target_Dir == "" {45		return nil, fmt.Errorf("config param target_dir is empty")46	}47	// sshkey is optional48	if env.SshKey != "" && !osutil.IsExist(env.SshKey) {49		return nil, fmt.Errorf("ssh key '%v' does not exist", env.SshKey)50	}51	if env.Debug {52		cfg.Targets = cfg.Targets[:1]53	}54	pool := &Pool{55		cfg: cfg,56		env: env,57	}58	return pool, nil59}60func (pool *Pool) Count() int {61	return len(pool.cfg.Targets)62}63func (pool *Pool) Create(workdir string, index int) (vmimpl.Instance, error) {64	inst := &instance{65		cfg:    pool.cfg,66		target: pool.env.SshUser + "@" + pool.cfg.Targets[index],67		closed: make(chan bool),68		debug:  pool.env.Debug,69		sshkey: pool.env.SshKey,70	}71	closeInst := inst72	defer func() {73		if closeInst != nil {74			closeInst.Close()75		}76	}()77	if err := inst.repair(); err != nil {78		return nil, err79	}80	// Create working dir if doesn't exist.81	inst.ssh("mkdir -p '" + inst.cfg.Target_Dir + "'")82	// Remove temp files from previous runs.83	inst.ssh("rm -rf '" + filepath.Join(inst.cfg.Target_Dir, "*") + "'")84	closeInst = nil85	return inst, nil86}87func (inst *instance) Forward(port int) (string, error) {88	if inst.port != 0 {89		return "", fmt.Errorf("isolated: Forward port already set")90	}91	if port == 0 {92		return "", fmt.Errorf("isolated: Forward port is zero")93	}94	inst.port = port95	return fmt.Sprintf("127.0.0.1:%v", port), nil96}97func (inst *instance) ssh(command string) ([]byte, error) {98	if inst.debug {99		Logf(0, "executing ssh %+v", command)100	}101	rpipe, wpipe, err := osutil.LongPipe()102	if err != nil {103		return nil, err104	}105	args := append(inst.sshArgs("-p"), inst.target, command)106	if inst.debug {107		Logf(0, "running command: ssh %#v", args)108	}109	cmd := osutil.Command("ssh", args...)110	cmd.Stdout = wpipe111	cmd.Stderr = wpipe112	if err := cmd.Start(); err != nil {113		wpipe.Close()114		return nil, err115	}116	wpipe.Close()117	done := make(chan bool)118	go func() {119		select {120		case <-time.After(time.Second * 30):121			if inst.debug {122				Logf(0, "ssh hanged")123			}124			cmd.Process.Kill()125		case <-done:126		}127	}()128	if err := cmd.Wait(); err != nil {129		close(done)130		out, _ := ioutil.ReadAll(rpipe)131		if inst.debug {132			Logf(0, "ssh failed: %v\n%s", err, out)133		}134		return nil, fmt.Errorf("ssh %+v failed: %v\n%s", args, err, out)135	}136	close(done)137	if inst.debug {138		Logf(0, "ssh returned")139	}140	out, _ := ioutil.ReadAll(rpipe)141	return out, nil142}143func (inst *instance) repair() error {144	Logf(2, "isolated: trying to ssh")145	if err := inst.waitForSsh(30 * 60); err == nil {146		if inst.cfg.Target_Reboot == true {147			Logf(2, "isolated: trying to reboot")148			inst.ssh("reboot") // reboot will return an error, ignore it149			if err := inst.waitForReboot(5 * 60); err != nil {150				Logf(2, "isolated: machine did not reboot")151				return err152			}153			Logf(2, "isolated: rebooted wait for comeback")154			if err := inst.waitForSsh(30 * 60); err != nil {155				Logf(2, "isolated: machine did not comeback")156				return err157			}158			Logf(2, "isolated: reboot succeeded")159		} else {160			Logf(2, "isolated: ssh succeeded")161		}162	} else {163		Logf(2, "isolated: ssh failed")164		return fmt.Errorf("SSH failed")165	}166	return nil167}168func (inst *instance) waitForSsh(timeout int) error {169	var err error170	start := time.Now()171	for {172		if !vmimpl.SleepInterruptible(time.Second) {173			return fmt.Errorf("shutdown in progress")174		}175		if _, err = inst.ssh("pwd"); err == nil {176			return nil177		}178		if time.Since(start).Seconds() > float64(timeout) {179			break180		}181	}182	return fmt.Errorf("isolated: instance is dead and unrepairable: %v", err)183}184func (inst *instance) waitForReboot(timeout int) error {185	var err error186	start := time.Now()187	for {188		if !vmimpl.SleepInterruptible(time.Second) {189			return fmt.Errorf("shutdown in progress")190		}191		// If it fails, then the reboot started192		if _, err = inst.ssh("pwd"); err != nil {193			return nil194		}195		if time.Since(start).Seconds() > float64(timeout) {196			break197		}198	}199	return fmt.Errorf("isolated: the machine did not reboot on repair")200}201func (inst *instance) Close() {202	close(inst.closed)203}204func (inst *instance) Copy(hostSrc string) (string, error) {205	baseName := filepath.Base(hostSrc)206	vmDst := filepath.Join(inst.cfg.Target_Dir, baseName)207	inst.ssh("pkill -9 '" + baseName + "'; rm -f '" + vmDst + "'")208	args := append(inst.sshArgs("-P"), hostSrc, inst.target+":"+vmDst)209	cmd := osutil.Command("scp", args...)210	if inst.debug {211		Logf(0, "running command: scp %#v", args)212		cmd.Stdout = os.Stdout213		cmd.Stderr = os.Stdout...

worker_test.go

Source:worker_test.go

...7	"testing"8)9func TestCommand_Args_with_path(t *testing.T) {10	t.Parallel()11	c := Command{Path: "/tmp/skylab_swarming_worker", TaskName: "admin_repair"}12	got := c.Args()13	want := []string{"/tmp/skylab_swarming_worker", "-task-name", "admin_repair"}14	if !reflect.DeepEqual(got, want) {15		t.Errorf("c.Args() = %#v; want %#v", got, want)16	}17}18func TestCommand_Args_default_path(t *testing.T) {19	t.Parallel()20	c := Command{TaskName: "admin_repair"}21	got := c.Args()22	want := []string{DefaultPath, "-task-name", "admin_repair"}23	if !reflect.DeepEqual(got, want) {24		t.Errorf("c.Args() = %#v; want %#v", got, want)25	}26}27func TestCommand_Args_isolated_output(t *testing.T) {28	t.Parallel()29	c := Command{TaskName: "name", OutputToIsolate: true}30	got := c.Args()31	want := []string{DefaultPath, "-task-name", "name", "-isolated-outdir", "${ISOLATED_OUTDIR}"}32	if !reflect.DeepEqual(got, want) {33		t.Errorf("c.Args() = %#v; want %#v", got, want)34	}35}36type basicEnv struct {...

repair

Using AI Code Generation

1import (2func Walk(t *tree.Tree, ch chan int) {3    if t.Left != nil {4        Walk(t.Left, ch)5    }6    if t.Right != nil {7        Walk(t.Right, ch)8    }9}10func Same(t1, t2 *tree.Tree) bool {11    ch1, ch2 := make(chan int), make(chan int)12    go Walk(t1, ch1)13    go Walk(t2, ch2)14    for i := 0; i < 10; i++ {15        if <-ch1 != <-ch2 {16        }17    }18}19func main() {20    fmt.Println(Same(tree.New(1), tree.New(1)))21    fmt.Println(Same(tree.New(1), tree.New(2)))22}23import (24type Tree struct {25}26func Walk(t *Tree, ch chan int) {27    if t.Left != nil {28        Walk(t.Left, ch)29    }30    if t.Right != nil {31        Walk(t.Right, ch)32    }33}34func Same(t1, t2 *Tree) bool {35    ch1, ch2 := make(chan int), make(chan int)36    go Walk(t1, ch1)37    go Walk(t2, ch2)38    for i := 0; i < 10; i++ {39        if <-ch1 != <-ch2 {40        }41    }42}43func main() {44    fmt.Println(Same(&Tree{nil, 1, nil}, &Tree{nil, 1, nil}))45    fmt.Println(Same(&Tree{nil, 1, nil}, &Tree{nil, 2, nil}))46}47import (48type Tree struct {49}50func Walk(t *Tree,

repair

Using AI Code Generation

1func main() {2  i1.Repair()3}4func main() {5  i1.Repair()6}7func main() {8  i1.Repair()9}10func main() {11  i1.Repair()12}13func main() {14  i1.Repair()15}16func main() {17  i1.Repair()18}19func main() {20  i1.Repair()21}22func main() {23  i1.Repair()24}

repair

Using AI Code Generation

1import "fmt"2type car struct {3}4func (c car) repair() {5	fmt.Println("Car repaired")6}7func main() {8	c := car{doors: 4, color: "red"}9	c.repair()10}11import "fmt"12type car struct {13}14func (c car) repair() {15	fmt.Println("Car repaired")16}17func main() {18	c := car{doors: 4, color: "red"}19	c.repair()20}21import "fmt"22type car struct {23}24func (c car) repair() {25	fmt.Println("Car repaired")26}27func main() {28	c := car{doors: 4, color: "red"}29	c.repair()30}31In this example, we have created a method repair() for car struct. This method is not accessible outside the package. To access this method from main function, we have to create a method with the same name and signature

repair

Using AI Code Generation

1import (2func main() {3	fmt.Println("Repairing the car")4	car := Car{}5	car.repair()6}7import (8func main() {9	fmt.Println("Repairing the car")10	car := Car{}11	car.repair()12}13import (14func main() {15	fmt.Println("Repairing the car")16	car := Car{}17	car.repair()18}19import (20func main() {21	fmt.Println("Repairing the car")22	car := Car{}23	car.repair()24}25import (26func main() {27	fmt.Println("Repairing the car")28	car := Car{}29	car.repair()30}31import (32func main() {33	fmt.Println("Repairing the car")34	car := Car{}35	car.repair()36}37import (38func main() {39	fmt.Println("Repairing the car")40	car := Car{}41	car.repair()42}43import (44func main() {45	fmt.Println("Repairing the car")46	car := Car{}47	car.repair()48}49import (50func main() {51	fmt.Println("Repairing the car")52	car := Car{}53	car.repair()54}55import (56func main() {57	fmt.Println("Repairing the car")58	car := Car{}59	car.repair()60}61import (

repair

Using AI Code Generation

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

repair

Using AI Code Generation

1import (2func main() {3	myCar.SetModel("F430")4	myCar.SetModel("F430")5	fmt.Println(myCar)6	myCar.Repair()7	fmt.Println(myCar)8}9import (10func main() {11	myCar.SetModel("F430")12	myCar.SetModel("F430")13	fmt.Println(myCar)14	myCar.Repair()15	fmt.Println(myCar)16}17import "fmt"18type Car struct {19}20func (c *Car) SetModel(model string) {21	if model == "" {22	}23}24func (c *Car) Repair() {25	fmt.Println("Repairing", c.Name)26}27import "fmt"28type Car struct {29}30func (c *Car) SetModel(model string) {31	if model == "" {32	}33}34func (c *Car) Repair() {35	fmt.Println("Repairing", c.Name)36}37import "fmt"38type Car struct {39}40func (c *Car) SetModel(model string) {41	if model == "" {42	}43}44func (c *Car) Repair() {45	fmt.Println("Repairing", c.Name)46}47import "fmt"48type Car struct {49}50func (c *Car) SetModel(model string) {51	if model == "" {

repair

Using AI Code Generation

1import (2func main() {3	r := new(repair)4	r.repair()5}6import (7type repair struct {8}9func (r *repair) repair() {10	fmt.Println("Repairing")11}12import (13func main() {14	r := repair{}15	r.repair()16}17import (18type repair struct {19}20func (r repair) repair() {21	fmt.Println("Repairing")22}23import (24func main() {25	r := repair{}26	r.repair()27}28import (29type repair struct {30}31func (r *repair) repair() {32	fmt.Println("Repairing")33}34import (35func main() {36	r := repair{}37	r.repair()38}39import (40type repair struct {41}42func (r repair) repair() {43	fmt.Println("Repairing")44}45import (46func main() {47	r := repair{}48	r.repair()49}50import (

repair

Using AI Code Generation

1import (2func main() {3	i := isolated.New()4	i.Repair()5}6import (7type Isolated struct {8}9func New() *Isolated {10	return &Isolated{}11}12func (i *Isolated) Repair() {13	fmt.Println("Repairing...")14}

repair

Using AI Code Generation

1import (2func main() {3	fmt.Println("Hello, playground")4	car = Car{4, "Audi", 5}5	car.repair()6}7import (8type Car struct {9}10func (c Car) repair() {11	fmt.Println("Car is repaired")12}13import (14type Car struct {15}16func (c Car) repair() {17	fmt.Println("Car is repaired")18}19import (20type Car struct {21}22func (c Car) repair() {23	fmt.Println("Car is repaired")24}25import (26type Car struct {27}28func (c Car) repair() {29	fmt.Println("Car is repaired")30}31import (32type Car struct {33}34func (c Car) repair() {35	fmt.Println("Car is repaired")36}37import (38type Car struct {39}40func (c Car) repair() {41	fmt.Println("Car is repaired")42}43import (44type Car struct {45}46func (c Car) repair() {47	fmt.Println("Car is repaired")48}49import (50type Car struct {

repair

Using AI Code Generation

1import (2func main() {3	fmt.Println("Hello, playground")4	isolated.Repair()5}6import (7func main() {8	fmt.Println("Hello, playground")9	isolated.Repair()10}11import "fmt"12func Repair() {13	fmt.Println("Isolated repaired")14}15import "fmt"16func Repair() {17	fmt.Println("Isolated repaired")18}

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