xref: /openbmc/openbmc/poky/meta/lib/oeqa/utils/nfs.py (revision d159c7fb)
1# SPDX-License-Identifier: MIT
2import os
3import sys
4import tempfile
5import contextlib
6import socket
7from oeqa.utils.commands import bitbake, get_bb_var, Command
8from oeqa.utils.network import get_free_port
9
10@contextlib.contextmanager
11def unfs_server(directory, logger = None):
12    unfs_sysroot = get_bb_var("RECIPE_SYSROOT_NATIVE", "unfs3-native")
13    if not os.path.exists(os.path.join(unfs_sysroot, "usr", "bin", "unfsd")):
14        # build native tool
15        bitbake("unfs3-native -c addto_recipe_sysroot")
16
17    exports = None
18    cmd = None
19    try:
20        # create the exports file
21        with tempfile.NamedTemporaryFile(delete = False) as exports:
22            exports.write("{0} (rw,no_root_squash,no_all_squash,insecure)\n".format(directory).encode())
23
24        # find some ports for the server
25        nfsport, mountport = get_free_port(udp = True), get_free_port(udp = True)
26
27        nenv = dict(os.environ)
28        nenv['PATH'] = "{0}/sbin:{0}/usr/sbin:{0}/usr/bin:".format(unfs_sysroot) + nenv.get('PATH', '')
29        cmd = Command(["unfsd", "-d", "-p", "-N", "-e", exports.name, "-n", str(nfsport), "-m", str(mountport)],
30                bg = True, env = nenv, output_log = logger)
31        cmd.run()
32        yield nfsport, mountport
33    finally:
34        if cmd is not None:
35            cmd.stop()
36        if exports is not None:
37            # clean up exports file
38            os.unlink(exports.name)
39
40