Add generated file

This PR adds generated files under pkg/client and vendor folder.

vendor/golang.org/x/tools/cmd/getgo/system.go

@@ -0,0 +1,38 @@
+// Copyright 2017 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// +build !plan9
+
+package main
+
+import (
+	"bytes"
+	"context"
+	"os/exec"
+	"runtime"
+	"strings"
+)
+
+// arch contains either amd64 or 386.
+var arch = func() string {
+	cmd := exec.Command("uname", "-m") // "x86_64"
+	if runtime.GOOS == "windows" {
+		cmd = exec.Command("powershell", "-command", "(Get-WmiObject -Class Win32_ComputerSystem).SystemType") // "x64-based PC"
+	}
+
+	out, err := cmd.Output()
+	if err != nil {
+		// a sensible default?
+		return "amd64"
+	}
+	if bytes.Contains(out, []byte("64")) {
+		return "amd64"
+	}
+	return "386"
+}()
+
+func findGo(ctx context.Context, cmd string) (string, error) {
+	out, err := exec.CommandContext(ctx, cmd, "go").CombinedOutput()
+	return strings.TrimSpace(string(out)), err
+}