How to use hostPort method of main Package

Best Selenoid code snippet using main.hostPort

main.go

Source:main.go

1package main2import (3	"bytes"4	"fmt"5	"strings"6	"github.com/weblazy/core/iptables"7	utiliptables "github.com/weblazy/core/iptables"8	"k8s.io/klog"9	"k8s.io/utils/exec"10)11const (12	// the hostport chain13	kubeHostportsChain utiliptables.Chain = "KUBE-HOSTPORTS"14	// prefix for hostport chains15	kubeHostportChainPrefix string = "KUBE-HP-"16)17// @desc18// @auth liuguoqiang 2020-04-0619// @param20// @return21func main() {22	fmt.Println("main")23	execer := exec.New()24	iptInterface := iptables.New(execer, utiliptables.ProtocolIpv4)25	EnsureRule(iptInterface)26	Delete(iptInterface)27	getExistingHostportIPTablesRules(iptInterface)28	// 	chain, rule, err := getExistingHostportIPTablesRules(iptInterface)29	// 	fmt.Printf("chain:%#v\n", chain)30	// 	fmt.Printf("rule:%#v\n", rule)31	// 	fmt.Printf("err:%#v\n", err)32}33func getExistingHostportIPTablesRules(iptables utiliptables.Interface) (map[utiliptables.Chain]string, []string, error) {34	iptablesData := bytes.NewBuffer(nil)35	err := iptables.SaveInto(utiliptables.TableNAT, iptablesData)36	if err != nil { // if we failed to get any rules37		return nil, nil, fmt.Errorf("failed to execute iptables-save: %v", err)38	}39	existingNATChains := utiliptables.GetChainLines(utiliptables.TableNAT, iptablesData.Bytes())40	existingHostportChains := make(map[utiliptables.Chain]string)41	existingHostportRules := []string{}42	for chain := range existingNATChains {43		if strings.HasPrefix(string(chain), string(kubeHostportsChain)) || strings.HasPrefix(string(chain), kubeHostportChainPrefix) {44			existingHostportChains[chain] = string(existingNATChains[chain])45			fmt.Printf("%s:%s\n", chain, string(existingNATChains[chain]))46		}47	}48	for _, line := range strings.Split(iptablesData.String(), "\n") {49		if strings.HasPrefix(line, fmt.Sprintf("-A %s", "PREROUTING")) ||50			strings.HasPrefix(line, fmt.Sprintf("-A %s", "OUTPUT")) {51			existingHostportRules = append(existingHostportRules, line)52			fmt.Printf("%s\n", line)53		}54	}55	return existingHostportChains, existingHostportRules, nil56}57// @desc58// @auth liuguoqiang 2020-04-0659// @param60// @return61func EnsureRule(iptables utiliptables.Interface) {62	if _, err := iptables.EnsureRule(utiliptables.Append, utiliptables.TableNAT, "PREROUTING", "-p", "tcp", "-i", "eth0", "--dport", "2077", "-j", "DNAT", "--to", "10.0.0.6:2077"); err != nil {63		klog.Errorf("%#v", err)64		return65	}66}67// @desc68// @auth liuguoqiang 2020-04-0669// @param70// @return71func Delete(iptables utiliptables.Interface) {72	if err := iptables.DeleteRule(utiliptables.TableNAT, utiliptables.ChainPrerouting, "-p", "tcp", "-i", "eth0", "--dport", "2077", "-j", "DNAT"); err != nil {73		if !utiliptables.IsNotFoundError(err) {74			klog.Errorf("Error removing userspace rule: %v", err)75		}76	}77}...

wait-for-it.go

Source:wait-for-it.go

1package main2import (3	"fmt"4	"net"5	"os"6	"os/exec"7	"time"8	flags "github.com/jessevdk/go-flags"9)10type Waitfor struct {11	hostport string12	resolve  bool13	quiet    bool14	strict   bool15	timeout  int6416	interval float6417}18func (w Waitfor) check_resolve() bool {19	_, err := net.ResolveTCPAddr("tcp", w.hostport)20	return err == nil21}22func (w Waitfor) check_connect() bool {23	dialer := net.Dialer{Timeout: time.Duration(float64(time.Second) * w.interval / 2)}24	conn, err := dialer.Dial("tcp", w.hostport)25	if err != nil {26		return false27	}28	conn.Close()29	return true30}31func (w Waitfor) run_command(cmd []string) bool {32	err := exec.Command(cmd[0], cmd[1:]...).Run()33	if err != nil {34		if !w.quiet {35			println("error", err)36		}37		return false38	}39	return true40}41func (w Waitfor) run() bool {42	if !w.quiet {43		println("wait for", w.hostport, w.timeout, "sec")44	}45	start := time.Now()46	for {47		if w.resolve {48			if w.check_resolve() {49				if !w.quiet {50					println("resolved", w.hostport)51				}52				return true53			}54		} else {55			if w.check_connect() {56				if !w.quiet {57					println("connected", w.hostport)58				}59				return true60			}61		}62		if w.timeout != 0 && time.Now().Sub(start) > time.Duration(int64(time.Second)*w.timeout) {63			if !w.quiet {64				println("timeout", w.hostport)65			}66			return false67		}68		time.Sleep(time.Duration(float64(time.Second) * w.interval))69	}70}71type Options struct {72	Resolve  bool    `long:"resolve" description:"test resolve(no connect)"`73	Quiet    bool    `short:"q" long:"quiet" description:"Don't output any status messages"`74	Strict   bool    `short:"s" long:"strict" description:"Only execute subcommand if the test succeeds"`75	Timeout  int64   `short:"t" long:"timeout" default:"30" description:"Timeout in seconds, zero for no timeout"`76	Interval float64 `short:"i" long:"interval" default:"1.0" description:"interval second"`77	Version  func()  `short:"V" long:"version" description:"Prints version information"`78}79func main() {80	var opts Options81	opts.Version = func() {82		println("wait-for-it 0.1.0")83		os.Exit(0)84	}85	parser := flags.NewParser(&opts, flags.Default)86	parser.Name = "wait-for-it"87	parser.Usage = "[OPTIONS] HOST:PORT"88	args, err := flags.Parse(&opts)89	if err != nil {90		os.Exit(1)91	}92	if len(args) == 0 {93		parser.WriteHelp(os.Stdout)94		return95	}96	hostport := args[0]97	cmd := args[1:]98	w := Waitfor{99		hostport: hostport,100		timeout:  opts.Timeout,101		quiet:    opts.Quiet,102		strict:   opts.Strict,103		resolve:  opts.Resolve,104		interval: opts.Interval,105	}106	res := w.run()107	if res || !w.strict {108		if !w.quiet {109			fmt.Printf("run %s\n", cmd)110		}111		if len(cmd) != 0 {112			w.run_command(cmd)113		}114	}115	if res {116		os.Exit(0)117	}118	os.Exit(1)119}...

yuri.go

Source:yuri.go

1package main2import (3	"encoding/json"4	"fmt"5	"log"6	"net/url"7	"os"8	"strings"9	"github.com/urfave/cli"10)11// Following code taken from https://github.com/golang/go/commit/1ff19201fd898c3e1a0ed5d3458c81c1f062570b12// TODO: Replace Hostname(), Port(), stripPort(), and portOnly() with native methods once Go 1.8 is available13// Hostname returns u.Host, without any port number.14//15// If Host is an IPv6 literal with a port number, Hostname returns the16// IPv6 literal without the square brackets. IPv6 literals may include17// a zone identifier.18func Hostname(hostport string) string {19	return stripPort(hostport)20}21// Port returns the port part of u.Host, without the leading colon.22// If u.Host doesn't contain a port, Port returns an empty string.23func Port(hostport string) string {24	return portOnly(hostport)25}26func stripPort(hostport string) string {27	colon := strings.IndexByte(hostport, ':')28	if colon == -1 {29		return hostport30	}31	if i := strings.IndexByte(hostport, ']'); i != -1 {32		return strings.TrimPrefix(hostport[:i], "[")33	}34	return hostport[:colon]35}36func portOnly(hostport string) string {37	colon := strings.IndexByte(hostport, ':')38	if colon == -1 {39		return ""40	}41	if i := strings.Index(hostport, "]:"); i != -1 {42		return hostport[i+len("]:"):]43	}44	if strings.Contains(hostport, "]") {45		return ""46	}47	return hostport[colon+len(":"):]48}49// CreateURIMap builds a map out of a URL struct for JSON encoding.50func CreateURIMap(u *url.URL) map[string]string {51	var m map[string]string52	m = make(map[string]string)53	m["scheme"] = u.Scheme54	m["opaque"] = u.Opaque55	m["host"] = u.Host56	m["hostname"] = Hostname(u.Host)57	m["port"] = Port(u.Host)58	m["path"] = u.Path59	m["rawpath"] = u.EscapedPath()60	m["rawquery"] = u.RawQuery61	m["fragment"] = u.Fragment62	if u.User == nil {63		m["username"] = ""64		m["password"] = ""65	} else {66		m["username"] = u.User.Username()67		m["password"], _ = u.User.Password()68	}69	return m70}71func main() {72	app := cli.NewApp()73	app.Name = "yuri"74	app.Usage = "parse the urlz!"75	app.Version = "0.3.0"76	app.Action = func(c *cli.Context) error {77		if len(c.Args()) < 1 {78			log.Fatal("No arguments. Usage: yuri <URI>")79		}80		if len(c.Args()) > 1 {81			log.Fatal("More than 1 argument. Usage: yuri <URI>")82		}83		uri := c.Args().First()84		parsedURI, err := url.Parse(uri)85		if err != nil {86			log.Fatal(err)87		}88		m := CreateURIMap(parsedURI)89		b, err := json.Marshal(m)90		if err != nil {91			fmt.Println("error:", err)92		}93		os.Stdout.Write(b)94		return nil95	}96	app.Run(os.Args)97}...

hostPort

Using AI Code Generation

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

hostPort

Using AI Code Generation

1import (2func main() {3	hostPort()4}5func hostPort() {6	host, port, err := net.SplitHostPort("www.google.com:80")7	if err != nil {8		fmt.Println(err)9	} else {10		fmt.Println(host, port)11	}12}13import (14func main() {15	hostPort()16}17func hostPort() {18	host, port, err := net.SplitHostPort("[::1]:80")19	if err != nil {20		fmt.Println(err)21	} else {22		fmt.Println(host, port)23	}24}

hostPort

Using AI Code Generation

1func main() {2    main.hostPort(8080)3}4func main() {5    main.hostPort(8080)6}7func main() {8    main.hostPort(8080)9}10func main() {11    main.hostPort(8080)12}13func main() {14    main.hostPort(8080)15}16func main() {17    main.hostPort(8080)18}19func main() {20    main.hostPort(8080)21}22func main() {23    main.hostPort(8080)24}25func main() {26    main.hostPort(8080)27}28func main() {29    main.hostPort(8080)30}

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.