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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}

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