xref: /OK3568_Linux_fs/yocto/poky/meta/lib/oeqa/utils/nfs.py (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun# SPDX-License-Identifier: MIT
2*4882a593Smuzhiyunimport os
3*4882a593Smuzhiyunimport sys
4*4882a593Smuzhiyunimport tempfile
5*4882a593Smuzhiyunimport contextlib
6*4882a593Smuzhiyunimport socket
7*4882a593Smuzhiyunfrom oeqa.utils.commands import bitbake, get_bb_var, Command
8*4882a593Smuzhiyunfrom oeqa.utils.network import get_free_port
9*4882a593Smuzhiyun
10*4882a593Smuzhiyun@contextlib.contextmanager
11*4882a593Smuzhiyundef unfs_server(directory, logger = None):
12*4882a593Smuzhiyun    unfs_sysroot = get_bb_var("RECIPE_SYSROOT_NATIVE", "unfs3-native")
13*4882a593Smuzhiyun    if not os.path.exists(os.path.join(unfs_sysroot, "usr", "bin", "unfsd")):
14*4882a593Smuzhiyun        # build native tool
15*4882a593Smuzhiyun        bitbake("unfs3-native -c addto_recipe_sysroot")
16*4882a593Smuzhiyun
17*4882a593Smuzhiyun    exports = None
18*4882a593Smuzhiyun    cmd = None
19*4882a593Smuzhiyun    try:
20*4882a593Smuzhiyun        # create the exports file
21*4882a593Smuzhiyun        with tempfile.NamedTemporaryFile(delete = False) as exports:
22*4882a593Smuzhiyun            exports.write("{0} (rw,no_root_squash,no_all_squash,insecure)\n".format(directory).encode())
23*4882a593Smuzhiyun
24*4882a593Smuzhiyun        # find some ports for the server
25*4882a593Smuzhiyun        nfsport, mountport = get_free_port(udp = True), get_free_port(udp = True)
26*4882a593Smuzhiyun
27*4882a593Smuzhiyun        nenv = dict(os.environ)
28*4882a593Smuzhiyun        nenv['PATH'] = "{0}/sbin:{0}/usr/sbin:{0}/usr/bin:".format(unfs_sysroot) + nenv.get('PATH', '')
29*4882a593Smuzhiyun        cmd = Command(["unfsd", "-d", "-p", "-N", "-e", exports.name, "-n", str(nfsport), "-m", str(mountport)],
30*4882a593Smuzhiyun                bg = True, env = nenv, output_log = logger)
31*4882a593Smuzhiyun        cmd.run()
32*4882a593Smuzhiyun        yield nfsport, mountport
33*4882a593Smuzhiyun    finally:
34*4882a593Smuzhiyun        if cmd is not None:
35*4882a593Smuzhiyun            cmd.stop()
36*4882a593Smuzhiyun        if exports is not None:
37*4882a593Smuzhiyun            # clean up exports file
38*4882a593Smuzhiyun            os.unlink(exports.name)
39*4882a593Smuzhiyun
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