| // Copyright 2019 The Goma Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| package server |
| |
| import ( |
| "fmt" |
| "io/ioutil" |
| "strconv" |
| "strings" |
| ) |
| |
| // MemoryLimit returns server memory limit, set by cgroup. |
| func MemoryLimit() (int64, error) { |
| const fname = "/sys/fs/cgroup/memory/memory.limit_in_bytes" |
| buf, err := ioutil.ReadFile(fname) |
| if err != nil { |
| return 0, err |
| } |
| data := strings.TrimSpace(string(buf)) |
| v, err := strconv.ParseInt(data, 10, 64) |
| if err != nil { |
| return 0, fmt.Errorf("failed to parse %s: %q: %v", fname, data, err) |
| } |
| return v, nil |
| } |
