增加策略列表、绑定、解绑

cmd/saastool/target.go

@@ -0,0 +1,40 @@
+package main
+
+import (
+	"fmt"
+	"os"
+	"strings"
+)
+
+func RunTarget(args ...string) error {
+	name, args := ParseCommandName(args)
+
+	// 从参数中解析出命令
+	switch name {
+	case "", "help":
+		return RunTargetHelp(args...)
+	case "list":
+		return RunTargetList(args...)
+	default:
+		err := fmt.Errorf(`unknown command "%s"`+"\n"+`Run 'saastool target help' for usage`, name)
+		fmt.Fprintln(os.Stderr, err)
+
+		return err
+	}
+}
+
+func RunTargetHelp(args ...string) error {
+	fmt.Println(strings.TrimSpace(targetUsage))
+	return nil
+}
+
+const targetUsage = `
+Usage:  saastoola target COMMAND [OPTIONS]
+
+Commands:
+    list                 List targets
+
+"help" is the default command.
+
+Use "saastool target COMMAND -help" for more information about a command.
+`