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How to use applyPolicy method of netext Package

Best K6 code snippet using netext.applyPolicy

resolver.go

Source:resolver.go

...80	ips, err := r.resolve(host)81	if err != nil {82		return nil, err83	}84	ips = r.applyPolicy(ips)85	return r.selectOne(host, ips), nil86}87// LookupIP returns a single IP resolved for host, selected according to the88// configured select and policy options. Results are cached per host and will be89// refreshed if the last lookup time exceeds the configured TTL (not the TTL90// returned in the DNS record).91func (r *cacheResolver) LookupIP(host string) (net.IP, error) {92	r.cm.Lock()93	var ips []net.IP94	// TODO: Invalidate? When?95	if cr, ok := r.cache[host]; ok && time.Now().Before(cr.lastLookup.Add(r.ttl)) {96		ips = cr.ips97	} else {98		r.cm.Unlock() // The lookup could take some time, so unlock momentarily.99		var err error100		ips, err = r.resolve(host)101		if err != nil {102			return nil, err103		}104		ips = r.applyPolicy(ips)105		r.cm.Lock()106		r.cache[host] = cacheRecord{ips: ips, lastLookup: time.Now()}107	}108	r.cm.Unlock()109	return r.selectOne(host, ips), nil110}111func (r *resolver) selectOne(host string, ips []net.IP) net.IP {112	if len(ips) == 0 {113		return nil114	}115	var ip net.IP116	switch r.selectIndex {117	case types.DNSfirst:118		return ips[0]119	case types.DNSroundRobin:120		r.rrm.Lock()121		// NOTE: This index approach is not stable and might result in returning122		// repeated or skipped IPs if the records change during a test run.123		ip = ips[int(r.roundRobin[host])%len(ips)]124		r.roundRobin[host]++125		r.rrm.Unlock()126	case types.DNSrandom:127		r.rrm.Lock()128		ip = ips[r.rand.Intn(len(ips))]129		r.rrm.Unlock()130	}131	return ip132}133func (r *resolver) applyPolicy(ips []net.IP) (retIPs []net.IP) {134	if r.policy == types.DNSany {135		return ips136	}137	ip4, ip6 := groupByVersion(ips)138	switch r.policy {139	case types.DNSpreferIPv4:140		retIPs = ip4141		if len(retIPs) == 0 {142			retIPs = ip6143		}144	case types.DNSpreferIPv6:145		retIPs = ip6146		if len(retIPs) == 0 {147			retIPs = ip4...

applyPolicy

Using AI Code Generation

1import (2func TestApplyPolicy(t *testing.T) {3	rt := common.GetRuntime(t)4	state := &lib.State{}5	state.Options = lib.Options{6		MaxRedirects: null.IntFrom(10),7	}8	state.Samples = make(chan stats.SampleContainer, 1000)9	state.Logger = testutils.NewLogger(t)10	state.BPool = &bpool{}11	state.TLSConfig = &tls.Config{InsecureSkipVerify: true, Renegotiation: tls.RenegotiateFreelyAsClient}12	state.Transport = &http.Transport{}13	state.Group = &lib.Group{ID: "/"}14	state.Scheduler = &scheduler{}15	state.Bundle = &lib.Bundle{16		Fs: afero.NewMemMapFs(),17	}18	state.Bundle.Set("k6", k6.New())19	ctx := common.WithState(common.WithRuntime(context.Background(), rt), state)20	_, err := common.RunString(rt, `21	require.NoError(t, err)22	vu, err := modules.NewVU(rt, ctx, nil)23	require.NoError(t, err)24	_, err = vu.RunOnce()25	require.NoError(t, err)26	select {27		t.Fatal("unexpected sample emitted")28	}29}30import (

applyPolicy

Using AI Code Generation

1import (2func main() {3	modules.Register("k6/x/netext", netext.New())4	bundle, err := lib.NewBundle("/Users/raj/Downloads/1.js")5	if err != nil {6		fmt.Println("error while creating bundle", err)7	}8	vu, err := lib.NewVU(1, bundle)9	if err != nil {10		fmt.Println("error while creating new VU", err)11	}12	vu.RunOnce()13}14import http from "k6/http";15import { sleep } from "k6";16import netext from "k6/x/netext";17export default function() {18  var policy = new netext.Policy();19  policy.applyPolicy();20  sleep(1);21};22import (23func main() {24	modules.Register("k6/x/netext", netext.New())25	bundle, err := lib.NewBundle("/Users/raj/Downloads/2.js")26	if err != nil {27		fmt.Println("error while creating bundle", err)28	}29	vu, err := lib.NewVU(1, bundle)30	if err != nil {31		fmt.Println("error while creating new VU", err)32	}33	vu.RunOnce()34}35import http from "k6/http";36import { sleep } from "k6";37import netext from "k6/x/netext";38export default function() {39  var policy = new netext.Policy();40  policy.applyPolicy();

applyPolicy

Using AI Code Generation

1import (2func main() {3	r, err := lib.New(4		lib.Options{5			MaxRedirects: null.IntFrom(10),6			InsecureSkipTLSVerify: null.BoolFrom(false),7			Throw:                null.BoolFrom(false),8			NoConnectionReuse:    null.BoolFrom(false),9			NoVUConnectionReuse:  null.BoolFrom(false),10			NoCookiesReset:       null.BoolFrom(false),11			BlacklistIPs:         &lib.NullIPNetSlice{},12			Hosts:                &lib.NullHostnameSlice{},13			TLSCipherSuites:      null.StringFrom(""),14			TLSCipherSuitesTLS13: null.StringFrom(""),15			TLSVersion:           null.StringFrom(""),16			NoUsageReport:        null.BoolFrom(false),17			NoBanner:             null.BoolFrom(false),18			NoColor:              null.BoolFrom(false),19			IncludeSystemTags:    null.StringFrom(""),20			ExcludedTags:         &lib.NullStringSlice{},21			Out:                  null.StringFrom("stdout"),22			JSON:                 null.BoolFrom(false),23			Format:               null.StringFrom(""),24			Export:               &lib.NullStringSlice{},25			ExportUseSubmetrics:  null.BoolFrom(false),26			ExportMetrics:        null.BoolFrom(false),27			ExportTags:           null.StringFrom(""),

applyPolicy

Using AI Code Generation

1import "netext"2import "encoding/json"3export let options = {4    scenarios: {5        example_scenario: {6        },7    },8};9export default function () {10    let policy = netext.applyPolicy("http_req", "mytestpolicy", "httpbin.test.k6.io", {11        "policy": {12                {13                        {14                            "args": {15                            }16                        }17                }18        }19    });20    console.log(JSON.stringify(policy));21}22import "netext"23import "encoding/json"24export let options = {25    scenarios: {26        example_scenario: {27        },28    },29};30export default function () {31    let policy = netext.applyPolicy("http_req", "mytestpolicy", "httpbin.test.k6.io", {32        "policy": {33                {34                        {35                            "args": {36                            }37                        }38                }39        }40    });41    console.log(JSON.stringify(policy));42}43import "netext"44import "encoding/json"45export let options = {46    scenarios: {47        example_scenario: {48        },49    },50};51export default function () {

applyPolicy

Using AI Code Generation

1import (2func main() {3    pool := redigomock.NewConnPool()4    conn := redigomock.NewConn()5    pool.SetConn(conn)6    conn.Command("GET", "policy").Expect("1")7    n := netext.NewNetExt(pool)8    p := netext.Policy{}9    n.GetPolicy("policy", &p)10    conn, err := net.Dial("tcp", "www.google.com:80")11    if err != nil {12        fmt.Println(err)13    }14    n.ApplyPolicy(conn, &p)15    l, err := net.Listen("tcp", "

applyPolicy

Using AI Code Generation

1import (2func main() {3    browser, _ := godet.Connect("localhost:9222", false)4    defer browser.Close()5    defer browser.CloseTab(tab)6    events := browser.NetEvents(tab)7    defer events.Close()8    events.Wait(godet.EventNetworkLoadingFinished, -1)9    ip, _ := net.ResolveIPAddr("ip", "www.google.com")10    browser.ApplyPolicy(tab, "block", ip.String(), "all")11    events.Wait(godet.EventNetworkLoadingFinished, -1)12    body, _ := browser.GetPageSource(tab)13    fmt.Println(body)14}

applyPolicy

Using AI Code Generation

1import (2func main() {3    fmt.Println("Hello, playground")4    ns1, err := ns.GetNS("/proc/1172/ns/net")5    if err != nil {6        fmt.Println(err)7    }8    err = ns1.Do(func(ns.NetNS) error {9    })10    if err != nil {11        fmt.Println(err)12    }13}

applyPolicy

Using AI Code Generation

1import (2func main() {3    proxy := goproxy.NewProxyHttpServer()4    netext := goproxy.NewNetExt()5    policy := goproxy.NewPolicy()6    policy.SetPolicy("policy.xml")7    netext.SetPolicy(policy)8    proxy.SetNetExt(netext)9    http.ListenAndServe(":8080", proxy)10}11import (12func main() {13    proxy := goproxy.NewProxyHttpServer()14    netext := goproxy.NewNetExt()15    policy := goproxy.NewPolicy()16    policy.SetPolicy("policy.xml")17    netext.SetPolicy(policy)18    proxy.SetNetExt(netext)19    http.ListenAndServe(":8080", proxy)20}21import (22func main() {23    proxy := goproxy.NewProxyHttpServer()24    netext := goproxy.NewNetExt()25    policy := goproxy.NewPolicy()26    policy.SetPolicy("policy.xml")27    netext.SetPolicy(policy)

applyPolicy

Using AI Code Generation

1import (2func main() {3	fmt.Println("Hello, world.")4	testArray := []string{"Hello", "world"}5	testMap := map[string]string{"Hello": "world"}6	type testStruct struct {7	}8	testStruct1 := testStruct{"Hello", "world"}9	type testInterface interface {10		testFunc() string11	}12	testInterface1 := testStruct{"Hello", "world"}13	testFunc := func() string {14	}15	type testMethod struct {16	}17	testMethod1 := testMethod{"Hello", "world"}18	testMethodFunc := func() string {19	}20	type testMethodInterface interface {21		testFunc() string22	}23	testMethodInterface1 := testMethod{"Hello", "world"}24	testMethodInterfaceFunc := func() string {25	}26	testSlice := make([]string, 0)27	testSlice = append(testSlice, "Hello")28	testSlice = append(testSlice, "world")29	testSliceOf := make([]string, 0)30	testSliceOf = append(testSliceOf, "Hello")31	testSliceOf = append(testSliceOf, "world")32	testSliceOfOf := make([]string, 0)33	testSliceOfOf = append(testSliceOfOf, "Hello")34	testSliceOfOf = append(testSliceOfOf, "world")35	testSliceOfOfOf := make([]string, 0)36	testSliceOfOfOf = append(testSliceOfOfOf, "Hello")37	testSliceOfOfOf = append(testSliceOfOfOf, "world")

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