func getDockerProcess(dockerPidFile string) (*procfs.Process, error) {
pid, err := pidOfDocker(dockerPidFile)
if err != nil || pid <= 0 {
return nil, err
}
return procfs.NewProcess(pid, true)
}
func readDockerDaemonArgs(dockerPidFile string) (succ bool, cmdLine []string, err error) {
pid, err := pidOfDocker(dockerPidFile)
if err != nil {
// TODO: log error message
return false, cmdLine, err
}
if pid <= 0 {
// no pid was found, but not really an error
return true, cmdLine, nil
}
process, err := procfs.NewProcess(pid, true)
if err != nil {
return false, cmdLine, err
}
cmdLine = process.Cmdline
return true, cmdLine, nil
}
func readDockerDaemonEnviron(dockerPidFile string) (succ bool, environ map[string]string, err error) {
pid, err := pidOfDocker(dockerPidFile)
if err != nil {
// TODO: log error message
return false, environ, err
}
if pid <= 0 {
// no pid was found, but not really an error
return true, environ, nil
}
process, err := procfs.NewProcess(pid, true)
if err != nil {
return false, environ, err
}
environ = process.Environ
return true, environ, nil
}