package root import ( "context" "fmt" "os" "strings" "github.com/databricks/cli/internal/build" "github.com/databricks/cli/libs/cmdio" "github.com/databricks/cli/libs/log" "github.com/spf13/cobra" "golang.org/x/exp/slog" ) func New() *cobra.Command { cmd := &cobra.Command{ Use: "databricks", Short: "Databricks CLI", Version: build.GetInfo().Version, // Cobra prints the usage string to stderr if a command returns an error. // This usage string should only be displayed if an invalid combination of flags // is specified and not when runtime errors occur (e.g. resource not found). // The usage string is include in [flagErrorFunc] for flag errors only. SilenceUsage: true, // Silence error printing by cobra. Errors are printed through cmdio. SilenceErrors: true, } // Initialize flags logFlags := initLogFlags(cmd) progressLoggerFlag := initProgressLoggerFlag(cmd, logFlags) outputFlag := initOutputFlag(cmd) initProfileFlag(cmd) initEnvironmentFlag(cmd) cmd.PersistentPreRunE = func(cmd *cobra.Command, args []string) error { ctx := cmd.Context() // Configure default logger. ctx, err := logFlags.initializeContext(ctx) if err != nil { return err } logger := log.GetLogger(ctx) logger.Info("start", slog.String("version", build.GetInfo().Version), slog.String("args", strings.Join(os.Args, ", "))) // Configure progress logger ctx, err = progressLoggerFlag.initializeContext(ctx) if err != nil { return err } // set context, so that initializeIO can have the current context cmd.SetContext(ctx) // Configure command IO err = outputFlag.initializeIO(cmd) if err != nil { return err } // get the context back ctx = cmd.Context() // Configure our user agent with the command that's about to be executed. ctx = withCommandInUserAgent(ctx, cmd) ctx = withUpstreamInUserAgent(ctx) cmd.SetContext(ctx) return nil } cmd.SetFlagErrorFunc(flagErrorFunc) cmd.SetVersionTemplate("Databricks CLI v{{.Version}}\n") return cmd } // Wrap flag errors to include the usage string. func flagErrorFunc(c *cobra.Command, err error) error { return fmt.Errorf("%w\n\n%s", err, c.UsageString()) } // Execute adds all child commands to the root command and sets flags appropriately. // This is called by main.main(). It only needs to happen once to the rootCmd. func Execute(cmd *cobra.Command) { // TODO: deferred panic recovery ctx := context.Background() // Run the command cmd, err := cmd.ExecuteContextC(ctx) if err != nil { // If cmdio logger initialization succeeds, then this function logs with the // initialized cmdio logger, otherwise with the default cmdio logger cmdio.LogError(cmd.Context(), err) } // Log exit status and error // We only log if logger initialization succeeded and is stored in command // context if logger, ok := log.FromContext(cmd.Context()); ok { if err == nil { logger.Info("completed execution", slog.String("exit_code", "0")) } else { logger.Error("failed execution", slog.String("exit_code", "1"), slog.String("error", err.Error())) } } if err != nil { os.Exit(1) } }