simple-mcp-runner

package cmd import ( "fmt" "os" "github.com/mjmorales/simple-mcp-runner/internal/config" "github.com/spf13/cobra" ) // validateCmd represents the validate command. var validateCmd = &cobra.Command{ Use: "validate", Short: "Validate configuration file", Long: `Validate a configuration file to ensure it meets all requirements and constraints. This command checks for: - Valid YAML syntax - Required fields - Valid field values and formats - Security policy consistency - Command definitions Example: simple-mcp-runner validate --config config.yaml`, RunE: func(cmd *cobra.Command, args []string) error { // Check if config file is specified cfgFile := configFile if cfgFile == "" { // Try default location cfgFile = GetDefaultConfigPath() if cfgFile == "" || !fileExists(cfgFile) { return fmt.Errorf("configuration file must be specified with --config flag") } } // Check if file exists if _, err := os.Stat(cfgFile); os.IsNotExist(err) { return fmt.Errorf("configuration file not found: %s", cfgFile) } // Load and validate configuration cfg, err := config.Load(cfgFile) if err != nil { return fmt.Errorf("configuration validation failed: %w", err) } // Print validation results fmt.Printf("✓ Configuration file is valid: %s\n", cfgFile) fmt.Printf("\nConfiguration summary:\n") fmt.Printf(" Application: %s\n", cfg.App) fmt.Printf(" Transport: %s\n", cfg.Transport) fmt.Printf(" Commands: %d defined\n", len(cfg.Commands)) if len(cfg.Commands) > 0 { fmt.Printf("\n Configured commands:\n") for _, cmd := range cfg.Commands { fmt.Printf(" - %s: %s\n", cmd.Name, cmd.Description) } } fmt.Printf("\n Security settings:\n") fmt.Printf(" Max command length: %d\n", cfg.Security.MaxCommandLength) fmt.Printf(" Shell expansion disabled: %v\n", cfg.Security.DisableShellExpansion) if len(cfg.Security.BlockedCommands) > 0 { fmt.Printf(" Blocked commands: %d\n", len(cfg.Security.BlockedCommands)) } if len(cfg.Security.AllowedCommands) > 0 { fmt.Printf(" Allowed commands: %d\n", len(cfg.Security.AllowedCommands)) } if len(cfg.Security.AllowedPaths) > 0 { fmt.Printf(" Allowed paths: %d\n", len(cfg.Security.AllowedPaths)) } fmt.Printf("\n Execution limits:\n") fmt.Printf(" Default timeout: %s\n", cfg.Execution.DefaultTimeout) fmt.Printf(" Max timeout: %s\n", cfg.Execution.MaxTimeout) fmt.Printf(" Max concurrent: %d\n", cfg.Execution.MaxConcurrent) fmt.Printf(" Max output size: %d bytes\n", cfg.Execution.MaxOutputSize) return nil }, } func init() { rootCmd.AddCommand(validateCmd) } // fileExists checks if a file exists. func fileExists(path string) bool { _, err := os.Stat(path) return err == nil }