mirror of
https://github.com/gitpod-io/gitpod.git
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cee438b2e2
* [GP-CLI] fix `gp preview` not outputting stderr and stdout properly * remove stdout pipe
119 lines
2.8 KiB
Go
119 lines
2.8 KiB
Go
// Copyright (c) 2020 Gitpod GmbH. All rights reserved.
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// Licensed under the GNU Affero General Public License (AGPL).
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// See License.AGPL.txt in the project root for license information.
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package cmd
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import (
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"context"
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"os"
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"os/exec"
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"regexp"
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"strconv"
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"strings"
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"time"
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"github.com/gitpod-io/gitpod/gitpod-cli/pkg/supervisor"
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"github.com/google/shlex"
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"github.com/spf13/cobra"
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"golang.org/x/xerrors"
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)
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var regexLocalhost = regexp.MustCompile(`((^(localhost|127\.0\.0\.1))|(https?://(localhost|127\.0\.0\.1)))(:[0-9]+)?`)
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var previewCmdOpts struct {
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External bool
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}
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// previewCmd represents the preview command
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var previewCmd = &cobra.Command{
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Use: "preview <url>",
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Short: "Opens a URL in the IDE's preview",
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Args: cobra.ExactArgs(1),
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RunE: func(cmd *cobra.Command, args []string) error {
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// TODO(ak) use NotificationService.NotifyActive supervisor API instead
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ctx, cancel := context.WithTimeout(cmd.Context(), 5*time.Second)
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defer cancel()
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client, err := supervisor.New(ctx)
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if err != nil {
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return err
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}
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defer client.Close()
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client.WaitForIDEReady(ctx)
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gpBrowserEnvVar := "GP_PREVIEW_BROWSER"
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url := replaceLocalhostInURL(args[0])
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if previewCmdOpts.External {
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if !strings.HasPrefix(url, "http://") && !strings.HasPrefix(url, "https://") {
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url = "https://" + url
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}
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gpBrowserEnvVar = "GP_EXTERNAL_BROWSER"
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}
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return openPreview(gpBrowserEnvVar, url)
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},
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}
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func openPreview(gpBrowserEnvVar string, url string) error {
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pcmd := os.Getenv(gpBrowserEnvVar)
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if pcmd == "" {
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return xerrors.Errorf("%s is not set", gpBrowserEnvVar)
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}
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pargs, err := shlex.Split(pcmd)
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if err != nil {
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return xerrors.Errorf("cannot parse %s: %w", gpBrowserEnvVar, err)
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}
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if len(pargs) > 1 {
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pcmd = pargs[0]
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}
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pcmd, err = exec.LookPath(pcmd)
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if err != nil {
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return err
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}
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var args []string
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for _, parg := range pargs[1:] {
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if parg == "" {
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continue
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}
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args = append(args, parg)
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}
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args = append(args, url)
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previewCmd := exec.Command(pcmd, args...)
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previewCmd.Stderr = os.Stderr
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err = previewCmd.Run()
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if err != nil {
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return err
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}
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return nil
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}
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func replaceLocalhostInURL(url string) string {
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return regexLocalhost.ReplaceAllStringFunc(url, func(input string) string {
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hasScheme := strings.HasPrefix(input, "http://") || strings.HasPrefix(input, "https://")
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input = strings.TrimPrefix(strings.TrimPrefix(input, "http://"), "https://")
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port := 80
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segs := strings.Split(input, ":")
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if len(segs) == 2 {
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port, _ = strconv.Atoi(strings.TrimPrefix(segs[1], ":"))
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}
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result := GetWorkspaceURL(port)
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if !hasScheme {
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result = strings.TrimPrefix(strings.TrimPrefix(result, "http://"), "https://")
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}
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return result
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})
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}
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func init() {
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rootCmd.AddCommand(previewCmd)
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previewCmd.Flags().BoolVar(&previewCmdOpts.External, "external", false, "open the URL in a new browser tab")
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}
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