109 lines
2.3 KiB
Go
109 lines
2.3 KiB
Go
package main
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import (
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"bufio"
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"context"
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"fmt"
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"os"
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"github.com/github/ghcs/api"
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"github.com/github/ghcs/cmd/ghcs/output"
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"github.com/github/ghcs/internal/codespaces"
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"github.com/spf13/cobra"
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)
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func NewLogsCmd() *cobra.Command {
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var tail bool
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logsCmd := &cobra.Command{
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Use: "logs [<codespace>]",
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Short: "Access Codespace logs",
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Args: cobra.MaximumNArgs(1),
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RunE: func(cmd *cobra.Command, args []string) error {
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var codespaceName string
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if len(args) > 0 {
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codespaceName = args[0]
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}
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return Logs(tail, codespaceName)
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},
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}
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logsCmd.Flags().BoolVarP(&tail, "tail", "t", false, "Tail the logs")
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return logsCmd
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}
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func init() {
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rootCmd.AddCommand(NewLogsCmd())
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}
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func Logs(tail bool, codespaceName string) error {
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apiClient := api.New(os.Getenv("GITHUB_TOKEN"))
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ctx := context.Background()
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log := output.NewLogger(os.Stdout, os.Stderr, false)
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user, err := apiClient.GetUser(ctx)
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if err != nil {
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return fmt.Errorf("getting user: %v", err)
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}
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codespace, token, err := codespaces.GetOrChooseCodespace(ctx, apiClient, user, codespaceName)
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if err != nil {
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return fmt.Errorf("get or choose codespace: %v", err)
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}
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lsclient, err := codespaces.ConnectToLiveshare(ctx, log, apiClient, user.Login, token, codespace)
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if err != nil {
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return fmt.Errorf("connecting to liveshare: %v", err)
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}
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tunnelPort, connClosed, err := codespaces.MakeSSHTunnel(ctx, lsclient, 0)
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if err != nil {
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return fmt.Errorf("make ssh tunnel: %v", err)
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}
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cmdType := "cat"
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if tail {
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cmdType = "tail -f"
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}
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dst := fmt.Sprintf("%s@localhost", getSSHUser(codespace))
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stdout, err := codespaces.RunCommand(
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ctx, tunnelPort, dst, fmt.Sprintf("%v /workspaces/.codespaces/.persistedshare/creation.log", cmdType),
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)
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if err != nil {
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return fmt.Errorf("run command: %v", err)
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}
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done := make(chan error)
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go func() {
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scanner := bufio.NewScanner(stdout)
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for scanner.Scan() {
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fmt.Println(scanner.Text())
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}
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if err := scanner.Err(); err != nil {
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done <- fmt.Errorf("error scanning: %v", err)
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return
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}
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if err := stdout.Close(); err != nil {
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done <- fmt.Errorf("close stdout: %v", err)
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return
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}
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done <- nil
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}()
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select {
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case err := <-connClosed:
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if err != nil {
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return fmt.Errorf("connection closed: %v", err)
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}
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case err := <-done:
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if err != nil {
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return err
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}
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}
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return nil
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}
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