rd.py 文件源码

def run(memory, memory_swap, cpu_shares, image_name, image_dir, container_dir,
        command):
    container_id = str(uuid.uuid4())

    # linux.clone(callback, flags, callback_args) is modeled after the Glibc
    # version. see: "man 2 clone"
    flags = (linux.CLONE_NEWPID | linux.CLONE_NEWNS | linux.CLONE_NEWUTS |
             linux.CLONE_NEWNET)
    callback_args = (command, image_name, image_dir, container_id,
                     container_dir, cpu_shares, memory, memory_swap)
    pid = linux.clone(contain, flags, callback_args)

    # This is the parent, pid contains the PID of the forked process
    # Wait for the forked child, fetch the exit status
    _, status = os.waitpid(pid, 0)
    print('{} exited with status {}'.format(pid, status))