增加命令功能

cmd/saastool/task.go

@@ -0,0 +1,49 @@
+package main
+
+import (
+	"fmt"
+	"log/slog"
+	"strings"
+)
+
+func RunTask(args ...string) error {
+	name, args := ParseCommandName(args)
+
+	// 从参数中解析出命令
+	switch name {
+	case "", "help":
+		return RunTaskHelp(args...)
+	case "create":
+		return RunTaskCreate(args...)
+	case "list":
+		return RunTaskList(args...)
+	case "delete":
+		return RunTaskDelete(args...)
+	case "info":
+		return RunTaskInfo(args...)
+	default:
+		err := fmt.Errorf(`unknown command "%s"`+"\n"+`Run 'saastool task help' for usage`, name)
+		slog.Warn(err.Error())
+		return err
+	}
+}
+
+func RunTaskHelp(args ...string) error {
+	fmt.Println(strings.TrimSpace(taskUsage))
+	return nil
+}
+
+const taskUsage = `
+Usage:  saastoola task COMMAND [OPTIONS]
+
+Commands:
+    create             
+    upload               Read user's 'bytes / uint32s / flags'
+    run 
+    delete
+    info
+
+"help" is the default command.
+
+Use "saastool task COMMAND -help" for more information about a command.
+`