Merge remote-tracking branch 'origin' into docs

This commit is contained in:
Mislav Marohnić 2021-08-17 14:42:09 +02:00
commit 517aae2805
13 changed files with 263 additions and 83 deletions

View file

@ -44,8 +44,7 @@ func Code(codespaceName string) error {
codespace, err := codespaces.ChooseCodespace(ctx, apiClient, user)
if err != nil {
if err == codespaces.ErrNoCodespaces {
fmt.Println(err.Error())
return nil
return err
}
return fmt.Errorf("error choosing codespace: %v", err)
}

View file

@ -2,6 +2,7 @@ package main
import (
"context"
"errors"
"fmt"
"os"
"strings"
@ -9,6 +10,7 @@ import (
"github.com/AlecAivazis/survey/v2"
"github.com/fatih/camelcase"
"github.com/github/ghcs/api"
"github.com/github/ghcs/cmd/ghcs/output"
"github.com/spf13/cobra"
)
@ -40,6 +42,7 @@ func Create() error {
apiClient := api.New(os.Getenv("GITHUB_TOKEN"))
locationCh := getLocation(ctx, apiClient)
userCh := getUser(ctx, apiClient)
log := output.NewLogger(os.Stdout, os.Stderr, false)
repo, err := getRepoName()
if err != nil {
@ -70,18 +73,17 @@ func Create() error {
return fmt.Errorf("error getting machine type: %v", err)
}
if machine == "" {
fmt.Println("There are no available machine types for this repository")
return nil
return errors.New("There are no available machine types for this repository")
}
fmt.Println("Creating your codespace...")
log.Println("Creating your codespace...")
codespace, err := apiClient.CreateCodespace(ctx, userResult.User, repository, machine, branch, locationResult.Location)
if err != nil {
return fmt.Errorf("error creating codespace: %v", err)
}
fmt.Println("Codespace created: " + codespace.Name)
log.Printf("Codespace created: %s\n", codespace.Name)
return nil
}

View file

@ -6,6 +6,7 @@ import (
"os"
"github.com/github/ghcs/api"
"github.com/github/ghcs/cmd/ghcs/output"
"github.com/github/ghcs/internal/codespaces"
"github.com/spf13/cobra"
)
@ -54,6 +55,7 @@ func init() {
func Delete(codespaceName string) error {
apiClient := api.New(os.Getenv("GITHUB_TOKEN"))
ctx := context.Background()
log := output.NewLogger(os.Stdout, os.Stderr, false)
user, err := apiClient.GetUser(ctx)
if err != nil {
@ -69,14 +71,15 @@ func Delete(codespaceName string) error {
return fmt.Errorf("error deleting codespace: %v", err)
}
fmt.Println("Codespace deleted.")
log.Println("Codespace deleted.")
return List()
return List(&ListOptions{})
}
func DeleteAll() error {
apiClient := api.New(os.Getenv("GITHUB_TOKEN"))
ctx := context.Background()
log := output.NewLogger(os.Stdout, os.Stderr, false)
user, err := apiClient.GetUser(ctx)
if err != nil {
@ -98,15 +101,16 @@ func DeleteAll() error {
return fmt.Errorf("error deleting codespace: %v", err)
}
fmt.Printf("Codespace deleted: %s\n", c.Name)
log.Printf("Codespace deleted: %s\n", c.Name)
}
return List()
return List(&ListOptions{})
}
func DeleteByRepo(repo string) error {
apiClient := api.New(os.Getenv("GITHUB_TOKEN"))
ctx := context.Background()
log := output.NewLogger(os.Stdout, os.Stderr, false)
user, err := apiClient.GetUser(ctx)
if err != nil {
@ -134,12 +138,12 @@ func DeleteByRepo(repo string) error {
return fmt.Errorf("error deleting codespace: %v", err)
}
fmt.Printf("Codespace deleted: %s\n", c.Name)
log.Printf("Codespace deleted: %s\n", c.Name)
}
if !deleted {
fmt.Printf("No codespace was found for repository: %s\n", repo)
return fmt.Errorf("No codespace was found for repository: %s", repo)
}
return List()
return List(&ListOptions{})
}

View file

@ -5,22 +5,29 @@ import (
"fmt"
"os"
"github.com/olekukonko/tablewriter"
"github.com/github/ghcs/api"
"github.com/github/ghcs/cmd/ghcs/output"
"github.com/spf13/cobra"
)
type ListOptions struct {
AsJSON bool
}
func NewListCmd() *cobra.Command {
opts := &ListOptions{}
listCmd := &cobra.Command{
Use: "list",
Short: "List your Codespaces",
Args: cobra.NoArgs,
RunE: func(cmd *cobra.Command, args []string) error {
return List()
return List(opts)
},
}
listCmd.Flags().BoolVar(&opts.AsJSON, "json", false, "Output as JSON")
return listCmd
}
@ -28,7 +35,7 @@ func init() {
rootCmd.AddCommand(NewListCmd())
}
func List() error {
func List(opts *ListOptions) error {
apiClient := api.New(os.Getenv("GITHUB_TOKEN"))
ctx := context.Background()
@ -42,12 +49,7 @@ func List() error {
return fmt.Errorf("error getting codespaces: %v", err)
}
if len(codespaces) == 0 {
fmt.Println("You have no codespaces.")
return nil
}
table := tablewriter.NewWriter(os.Stdout)
table := output.NewTable(os.Stdout, opts.AsJSON)
table.SetHeader([]string{"Name", "Repository", "Branch", "State", "Created At"})
for _, codespace := range codespaces {
table.Append([]string{

View file

@ -7,6 +7,7 @@ import (
"os"
"github.com/github/ghcs/api"
"github.com/github/ghcs/cmd/ghcs/output"
"github.com/github/ghcs/internal/codespaces"
"github.com/spf13/cobra"
)
@ -39,6 +40,7 @@ func init() {
func Logs(tail bool, codespaceName string) error {
apiClient := api.New(os.Getenv("GITHUB_TOKEN"))
ctx := context.Background()
log := output.NewLogger(os.Stdout, os.Stderr, false)
user, err := apiClient.GetUser(ctx)
if err != nil {
@ -50,7 +52,7 @@ func Logs(tail bool, codespaceName string) error {
return fmt.Errorf("get or choose codespace: %v", err)
}
lsclient, err := codespaces.ConnectToLiveshare(ctx, apiClient, token, codespace)
lsclient, err := codespaces.ConnectToLiveshare(ctx, log, apiClient, token, codespace)
if err != nil {
return fmt.Errorf("connecting to liveshare: %v", err)
}

View file

@ -0,0 +1,55 @@
package output
import (
"encoding/json"
"io"
"strings"
"unicode"
)
type jsonwriter struct {
w io.Writer
pretty bool
cols []string
data []interface{}
}
func (j *jsonwriter) SetHeader(cols []string) {
j.cols = cols
}
func (j *jsonwriter) Append(values []string) {
row := make(map[string]string)
for i, v := range values {
row[camelize(j.cols[i])] = v
}
j.data = append(j.data, row)
}
func (j *jsonwriter) Render() {
enc := json.NewEncoder(j.w)
if j.pretty {
enc.SetIndent("", " ")
}
_ = enc.Encode(j.data)
}
func camelize(s string) string {
var b strings.Builder
capitalizeNext := false
for i, r := range s {
if r == ' ' {
capitalizeNext = true
continue
}
if capitalizeNext {
b.WriteRune(unicode.ToUpper(r))
capitalizeNext = false
} else if i == 0 {
b.WriteRune(unicode.ToLower(r))
} else {
b.WriteRune(r)
}
}
return b.String()
}

View file

@ -0,0 +1,31 @@
package output
import (
"io"
"os"
"github.com/olekukonko/tablewriter"
"golang.org/x/term"
)
type Table interface {
SetHeader([]string)
Append([]string)
Render()
}
func NewTable(w io.Writer, asJSON bool) Table {
isTTY := isTTY(w)
if asJSON {
return &jsonwriter{w: w, pretty: isTTY}
}
if isTTY {
return tablewriter.NewWriter(w)
}
return &tabwriter{w: w}
}
func isTTY(w io.Writer) bool {
f, ok := w.(*os.File)
return ok && term.IsTerminal(int(f.Fd()))
}

View file

@ -0,0 +1,25 @@
package output
import (
"fmt"
"io"
)
type tabwriter struct {
w io.Writer
}
func (j *tabwriter) SetHeader([]string) {}
func (j *tabwriter) Append(values []string) {
var sep string
for i, v := range values {
if i == 1 {
sep = "\t"
}
fmt.Fprintf(j.w, "%s%s", sep, v)
}
fmt.Fprint(j.w, "\n")
}
func (j *tabwriter) Render() {}

45
cmd/ghcs/output/logger.go Normal file
View file

@ -0,0 +1,45 @@
package output
import (
"fmt"
"io"
)
func NewLogger(stdout, stderr io.Writer, disabled bool) *Logger {
return &Logger{
out: stdout,
errout: stderr,
enabled: !disabled && isTTY(stdout),
}
}
type Logger struct {
out io.Writer
errout io.Writer
enabled bool
}
func (l *Logger) Print(v ...interface{}) (int, error) {
if !l.enabled {
return 0, nil
}
return fmt.Fprint(l.out, v...)
}
func (l *Logger) Println(v ...interface{}) (int, error) {
if !l.enabled {
return 0, nil
}
return fmt.Fprintln(l.out, v...)
}
func (l *Logger) Printf(f string, v ...interface{}) (int, error) {
if !l.enabled {
return 0, nil
}
return fmt.Fprintf(l.out, f, v...)
}
func (l *Logger) Errorf(f string, v ...interface{}) (int, error) {
return fmt.Fprintf(l.errout, f, v...)
}

View file

@ -1,6 +1,7 @@
package main
import (
"bytes"
"context"
"encoding/json"
"errors"
@ -10,26 +11,37 @@ import (
"strings"
"github.com/github/ghcs/api"
"github.com/github/ghcs/cmd/ghcs/output"
"github.com/github/ghcs/internal/codespaces"
"github.com/github/go-liveshare"
"github.com/muhammadmuzzammil1998/jsonc"
"github.com/olekukonko/tablewriter"
"github.com/spf13/cobra"
)
type PortsOptions struct {
CodespaceName string
AsJSON bool
}
func NewPortsCmd() *cobra.Command {
opts := &PortsOptions{}
portsCmd := &cobra.Command{
Use: "ports",
Short: "List ports in a Codespace",
Args: cobra.NoArgs,
RunE: func(cmd *cobra.Command, args []string) error {
return Ports()
return Ports(opts)
},
}
portsCmd.Flags().StringVarP(&opts.CodespaceName, "codespace", "c", "", "The `name` of the Codespace to use")
portsCmd.Flags().BoolVar(&opts.AsJSON, "json", false, "Output as JSON")
portsCmd.AddCommand(NewPortsPublicCmd())
portsCmd.AddCommand(NewPortsPrivateCmd())
portsCmd.AddCommand(NewPortsForwardCmd())
return portsCmd
}
@ -37,53 +49,43 @@ func init() {
rootCmd.AddCommand(NewPortsCmd())
}
func Ports() error {
func Ports(opts *PortsOptions) error {
apiClient := api.New(os.Getenv("GITHUB_TOKEN"))
ctx := context.Background()
log := output.NewLogger(os.Stdout, os.Stderr, opts.AsJSON)
user, err := apiClient.GetUser(ctx)
if err != nil {
return fmt.Errorf("error getting user: %v", err)
}
codespace, err := codespaces.ChooseCodespace(ctx, apiClient, user)
codespace, token, err := codespaces.GetOrChooseCodespace(ctx, apiClient, user, opts.CodespaceName)
if err != nil {
if err == codespaces.ErrNoCodespaces {
fmt.Println(err.Error())
return nil
return err
}
return fmt.Errorf("error choosing codespace: %v", err)
}
devContainerCh := getDevContainer(ctx, apiClient, codespace)
token, err := apiClient.GetCodespaceToken(ctx, user.Login, codespace.Name)
if err != nil {
return fmt.Errorf("error getting codespace token: %v", err)
}
liveShareClient, err := codespaces.ConnectToLiveshare(ctx, apiClient, token, codespace)
liveShareClient, err := codespaces.ConnectToLiveshare(ctx, log, apiClient, token, codespace)
if err != nil {
return fmt.Errorf("error connecting to liveshare: %v", err)
}
fmt.Println("Loading ports...")
log.Println("Loading ports...")
ports, err := getPorts(ctx, liveShareClient)
if err != nil {
return fmt.Errorf("error getting ports: %v", err)
}
if len(ports) == 0 {
fmt.Println("This codespace has no open ports")
return nil
}
devContainerResult := <-devContainerCh
if devContainerResult.Err != nil {
fmt.Printf("Failed to get port names: %v\n", devContainerResult.Err.Error())
_, _ = log.Errorf("Failed to get port names: %v\n", devContainerResult.Err.Error())
}
table := tablewriter.NewWriter(os.Stdout)
table := output.NewTable(os.Stdout, opts.AsJSON)
table.SetHeader([]string{"Label", "Source Port", "Destination Port", "Public", "Browse URL"})
for _, port := range ports {
sourcePort := strconv.Itoa(port.SourcePort)
@ -105,7 +107,6 @@ func Ports() error {
table.Render()
return nil
}
func getPorts(ctx context.Context, lsclient *liveshare.Client) (liveshare.Ports, error) {
@ -149,7 +150,7 @@ func getDevContainer(ctx context.Context, apiClient *api.API, codespace *api.Cod
return
}
convertedJSON := jsonc.ToJSON(contents)
convertedJSON := normalizeJSON(jsonc.ToJSON(contents))
if !jsonc.Valid(convertedJSON) {
ch <- devContainerResult{nil, errors.New("failed to convert json to standard json")}
return
@ -172,7 +173,8 @@ func NewPortsPublicCmd() *cobra.Command {
Short: "Mark port as public",
Args: cobra.ExactArgs(2),
RunE: func(cmd *cobra.Command, args []string) error {
return updatePortVisibility(args[0], args[1], true)
log := output.NewLogger(os.Stdout, os.Stderr, false)
return updatePortVisibility(log, args[0], args[1], true)
},
}
}
@ -183,12 +185,13 @@ func NewPortsPrivateCmd() *cobra.Command {
Short: "Mark port as private",
Args: cobra.ExactArgs(2),
RunE: func(cmd *cobra.Command, args []string) error {
return updatePortVisibility(args[0], args[1], false)
log := output.NewLogger(os.Stdout, os.Stderr, false)
return updatePortVisibility(log, args[0], args[1], false)
},
}
}
func updatePortVisibility(codespaceName, sourcePort string, public bool) error {
func updatePortVisibility(log *output.Logger, codespaceName, sourcePort string, public bool) error {
ctx := context.Background()
apiClient := api.New(os.Getenv("GITHUB_TOKEN"))
@ -207,7 +210,7 @@ func updatePortVisibility(codespaceName, sourcePort string, public bool) error {
return fmt.Errorf("error getting codespace: %v", err)
}
lsclient, err := codespaces.ConnectToLiveshare(ctx, apiClient, token, codespace)
lsclient, err := codespaces.ConnectToLiveshare(ctx, log, apiClient, token, codespace)
if err != nil {
return fmt.Errorf("error connecting to liveshare: %v", err)
}
@ -227,11 +230,10 @@ func updatePortVisibility(codespaceName, sourcePort string, public bool) error {
}
state := "PUBLIC"
if public == false {
if !public {
state = "PRIVATE"
}
fmt.Println(fmt.Sprintf("Port %s is now %s.", sourcePort, state))
log.Printf("Port %s is now %s.\n", sourcePort, state)
return nil
}
@ -242,12 +244,13 @@ func NewPortsForwardCmd() *cobra.Command {
Short: "Forward port",
Args: cobra.ExactArgs(3),
RunE: func(cmd *cobra.Command, args []string) error {
return forwardPort(args[0], args[1], args[2])
log := output.NewLogger(os.Stdout, os.Stderr, false)
return forwardPort(log, args[0], args[1], args[2])
},
}
}
func forwardPort(codespaceName, sourcePort, destPort string) error {
func forwardPort(log *output.Logger, codespaceName, sourcePort, destPort string) error {
ctx := context.Background()
apiClient := api.New(os.Getenv("GITHUB_TOKEN"))
@ -266,7 +269,7 @@ func forwardPort(codespaceName, sourcePort, destPort string) error {
return fmt.Errorf("error getting codespace: %v", err)
}
lsclient, err := codespaces.ConnectToLiveshare(ctx, apiClient, token, codespace)
lsclient, err := codespaces.ConnectToLiveshare(ctx, log, apiClient, token, codespace)
if err != nil {
return fmt.Errorf("error connecting to liveshare: %v", err)
}
@ -290,7 +293,7 @@ func forwardPort(codespaceName, sourcePort, destPort string) error {
return fmt.Errorf("error sharing source port: %v", err)
}
fmt.Println("Forwarding port: " + sourcePort + " -> " + destPort)
log.Println("Forwarding port: " + sourcePort + " -> " + destPort)
portForwarder := liveshare.NewPortForwarder(lsclient, server, dstPortInt)
if err := portForwarder.Start(ctx); err != nil {
return fmt.Errorf("error forwarding port: %v", err)
@ -298,3 +301,8 @@ func forwardPort(codespaceName, sourcePort, destPort string) error {
return nil
}
func normalizeJSON(j []byte) []byte {
// remove trailing commas
return bytes.ReplaceAll(j, []byte("},}"), []byte("}}"))
}

View file

@ -9,6 +9,7 @@ import (
"time"
"github.com/github/ghcs/api"
"github.com/github/ghcs/cmd/ghcs/output"
"github.com/github/ghcs/internal/codespaces"
"github.com/github/go-liveshare"
"github.com/spf13/cobra"
@ -29,7 +30,7 @@ func NewSSHCmd() *cobra.Command {
sshCmd.Flags().StringVarP(&sshProfile, "profile", "", "", "The `name` of the SSH profile to use")
sshCmd.Flags().IntVarP(&sshServerPort, "server-port", "", 0, "SSH server port number")
sshCmd.Flags().StringVarP(&codespaceName, "codespace", "c", "", "Codespace Name")
sshCmd.Flags().StringVarP(&codespaceName, "codespace", "c", "", "The `name` of the Codespace to use")
return sshCmd
}
@ -41,6 +42,7 @@ func init() {
func SSH(sshProfile, codespaceName string, sshServerPort int) error {
apiClient := api.New(os.Getenv("GITHUB_TOKEN"))
ctx := context.Background()
log := output.NewLogger(os.Stdout, os.Stderr, false)
user, err := apiClient.GetUser(ctx)
if err != nil {
@ -52,7 +54,7 @@ func SSH(sshProfile, codespaceName string, sshServerPort int) error {
return fmt.Errorf("get or choose codespace: %v", err)
}
lsclient, err := codespaces.ConnectToLiveshare(ctx, apiClient, token, codespace)
lsclient, err := codespaces.ConnectToLiveshare(ctx, log, apiClient, token, codespace)
if err != nil {
return fmt.Errorf("error connecting to liveshare: %v", err)
}
@ -62,18 +64,18 @@ func SSH(sshProfile, codespaceName string, sshServerPort int) error {
return fmt.Errorf("error creating liveshare terminal: %v", err)
}
fmt.Println("Preparing SSH...")
log.Println("Preparing SSH...")
if sshProfile == "" {
containerID, err := getContainerID(ctx, terminal)
containerID, err := getContainerID(ctx, log, terminal)
if err != nil {
return fmt.Errorf("error getting container id: %v", err)
}
if err := setupSSH(ctx, terminal, containerID, codespace.RepositoryName); err != nil {
if err := setupSSH(ctx, log, terminal, containerID, codespace.RepositoryName); err != nil {
return fmt.Errorf("error creating ssh server: %v", err)
}
fmt.Printf("\n")
log.Print("\n")
}
tunnelPort, tunnelClosed, err := codespaces.MakeSSHTunnel(ctx, lsclient, sshServerPort)
@ -87,9 +89,9 @@ func SSH(sshProfile, codespaceName string, sshServerPort int) error {
}
usingCustomPort := tunnelPort == sshServerPort
connClosed := codespaces.ConnectToTunnel(ctx, tunnelPort, connectDestination, usingCustomPort)
connClosed := codespaces.ConnectToTunnel(ctx, log, tunnelPort, connectDestination, usingCustomPort)
fmt.Println("Ready...")
log.Println("Ready...")
select {
case err := <-tunnelClosed:
if err != nil {
@ -104,28 +106,30 @@ func SSH(sshProfile, codespaceName string, sshServerPort int) error {
return nil
}
func getContainerID(ctx context.Context, terminal *liveshare.Terminal) (string, error) {
fmt.Print(".")
func getContainerID(ctx context.Context, logger *output.Logger, terminal *liveshare.Terminal) (string, error) {
logger.Print(".")
cmd := terminal.NewCommand(
"/",
"/usr/bin/docker ps -aq --filter label=Type=codespaces --filter status=running",
)
stream, err := cmd.Run(ctx)
if err != nil {
return "", fmt.Errorf("error running command: %v", err)
}
fmt.Print(".")
logger.Print(".")
scanner := bufio.NewScanner(stream)
scanner.Scan()
fmt.Print(".")
logger.Print(".")
containerID := scanner.Text()
if err := scanner.Err(); err != nil {
return "", fmt.Errorf("error scanning stream: %v", err)
}
fmt.Print(".")
logger.Print(".")
if err := stream.Close(); err != nil {
return "", fmt.Errorf("error closing stream: %v", err)
}
@ -133,10 +137,10 @@ func getContainerID(ctx context.Context, terminal *liveshare.Terminal) (string,
return containerID, nil
}
func setupSSH(ctx context.Context, terminal *liveshare.Terminal, containerID, repositoryName string) error {
func setupSSH(ctx context.Context, logger *output.Logger, terminal *liveshare.Terminal, containerID, repositoryName string) error {
setupBashProfileCmd := fmt.Sprintf(`echo "cd /workspaces/%v; export $(cat /workspaces/.codespaces/shared/.env | xargs); exec /bin/zsh;" > /home/codespace/.bash_profile`, repositoryName)
fmt.Print(".")
logger.Print(".")
compositeCommand := []string{setupBashProfileCmd}
cmd := terminal.NewCommand(
"/",
@ -147,7 +151,7 @@ func setupSSH(ctx context.Context, terminal *liveshare.Terminal, containerID, re
return fmt.Errorf("error running command: %v", err)
}
fmt.Print(".")
logger.Print(".")
if err := stream.Close(); err != nil {
return fmt.Errorf("error closing stream: %v", err)
}

View file

@ -57,9 +57,14 @@ func ChooseCodespace(ctx context.Context, apiClient *api.API, user *api.User) (*
return codespace, nil
}
func ConnectToLiveshare(ctx context.Context, apiClient *api.API, token string, codespace *api.Codespace) (client *liveshare.Client, err error) {
type logger interface {
Print(v ...interface{}) (int, error)
Println(v ...interface{}) (int, error)
}
func ConnectToLiveshare(ctx context.Context, log logger, apiClient *api.API, token string, codespace *api.Codespace) (client *liveshare.Client, err error) {
if codespace.Environment.State != api.CodespaceEnvironmentStateAvailable {
fmt.Println("Starting your codespace...") // TODO(josebalius): better way of notifying of events
log.Println("Starting your codespace...")
if err := apiClient.StartCodespace(ctx, token, codespace); err != nil {
return nil, fmt.Errorf("error starting codespace: %v", err)
}
@ -69,7 +74,7 @@ func ConnectToLiveshare(ctx context.Context, apiClient *api.API, token string, c
for codespace.Environment.Connection.SessionID == "" || codespace.Environment.State != api.CodespaceEnvironmentStateAvailable {
if retries > 1 {
if retries%2 == 0 {
fmt.Print(".")
log.Print(".")
}
time.Sleep(1 * time.Second)
@ -88,10 +93,10 @@ func ConnectToLiveshare(ctx context.Context, apiClient *api.API, token string, c
}
if retries >= 2 {
fmt.Print("\n")
log.Print("\n")
}
fmt.Println("Connecting to your codespace...")
log.Println("Connecting to your codespace...")
lsclient, err := liveshare.NewClient(
liveshare.WithConnection(liveshare.Connection{
@ -117,10 +122,8 @@ func GetOrChooseCodespace(ctx context.Context, apiClient *api.API, user *api.Use
codespace, err = ChooseCodespace(ctx, apiClient, user)
if err != nil {
if err == ErrNoCodespaces {
fmt.Println(err.Error())
return nil, "", nil
return nil, "", err
}
return nil, "", fmt.Errorf("choosing codespace: %v", err)
}
codespaceName = codespace.Name

View file

@ -56,12 +56,12 @@ func makeSSHArgs(port int, dst, cmd string) ([]string, []string) {
return cmdArgs, connArgs
}
func ConnectToTunnel(ctx context.Context, port int, destination string, usingCustomPort bool) <-chan error {
func ConnectToTunnel(ctx context.Context, log logger, port int, destination string, usingCustomPort bool) <-chan error {
connClosed := make(chan error)
args, connArgs := makeSSHArgs(port, destination, "")
if usingCustomPort {
fmt.Println("Connection Details: ssh " + destination + " " + strings.Join(connArgs, " "))
log.Println("Connection Details: ssh " + destination + " " + strings.Join(connArgs, " "))
}
cmd := exec.CommandContext(ctx, "ssh", args...)