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- package docker
- import (
- "bytes"
- "os/exec"
- )
- var (
- _dockerId string
- )
- func SelfContainerID() (string, error) {
- if _dockerId != "" {
- return _dockerId, nil
- }
- if buf, err := exec.Command("/bin/sh", "-c", "cat /proc/self/cgroup | grep -o -e \"docker/.*\"| head -n 1 |sed \"s/docker\\/\\(.*\\)/\\\\1/\"").CombinedOutput(); err != nil {
- return "", err
- } else {
- _dockerId = string(bytes.TrimSpace(buf))
- return _dockerId, nil
- }
- }
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