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How to use unmount_force method in autotest

Best Python code snippet using autotest_python

mtab.py

Source:mtab.py

...24    @abc.abstractmethod25    def unmount_lazy(self, mount_point: bytes) -> bool:26        "Corresponds to `umount -l` on Linux."27    @abc.abstractmethod28    def unmount_force(self, mount_point: bytes) -> bool:29        "Corresponds to `umount -f` on Linux."30    def lstat(self, path: Union[bytes, str]) -> MTStat:31        "Returns a subset of the results of os.lstat."32        st = os.lstat(path)33        return MTStat(st_uid=st.st_uid, st_dev=st.st_dev, st_mode=st.st_mode)34    def check_path_access(self, path: bytes) -> None:35        """\36        Attempts to stat the given directory, bypassing the kernel's caches.37        Raises OSError upon failure.38        """39        # Even if the FUSE process is shut down, the lstat call will succeed if40        # the stat result is cached. Append a random string to avoid that. In a41        # better world, this code would bypass the cache by opening a handle42        # with O_DIRECT, but Eden does not support O_DIRECT.43        try:44            os.lstat(os.path.join(path, hex(random.getrandbits(32))[2:].encode()))45        except OSError as e:46            if e.errno == errno.ENOENT:47                return48            raise49    @abc.abstractmethod50    def create_bind_mount(self, source_path, dest_path) -> bool:51        "Creates a bind mount from source_path to dest_path."52def parse_mtab(contents: bytes) -> List[MountInfo]:53    mounts = []54    for line in contents.splitlines():55        # columns split by space or tab per man page56        entries = line.split()57        if len(entries) != 6:58            log.warning(f"mount table line has {len(entries)} entries instead of 6")59            continue60        device, mount_point, vfstype, opts, freq, passno = entries61        mounts.append(62            MountInfo(device=device, mount_point=mount_point, vfstype=vfstype)63        )64    return mounts65class LinuxMountTable(MountTable):66    def read(self) -> List[MountInfo]:67        # What's the most portable mtab path? I've seen both /etc/mtab and68        # /proc/self/mounts.  CentOS 6 in particular does not symlink /etc/mtab69        # to /proc/self/mounts so go directly to /proc/self/mounts.70        # This code could eventually fall back to /proc/mounts and /etc/mtab.71        with open("/proc/self/mounts", "rb") as f:72            return parse_mtab(f.read())73    def unmount_lazy(self, mount_point: bytes) -> bool:74        # MNT_DETACH75        return 0 == subprocess.call(["sudo", "umount", "-l", mount_point])76    def unmount_force(self, mount_point: bytes) -> bool:77        # MNT_FORCE78        return 0 == subprocess.call(["sudo", "umount", "-f", mount_point])79    def create_bind_mount(self, source_path, dest_path) -> bool:80        return 0 == subprocess.check_call(81            ["sudo", "mount", "-o", "bind", source_path, dest_path]82        )83def parse_macos_mount_output(contents: bytes) -> List[MountInfo]:84    mounts = []85    for line in contents.splitlines():86        m = re.match(b"^(\\S+) on (.+) \\(([^,]+),.*\\)$", line)87        if m:88            mounts.append(89                MountInfo(device=m.group(1), mount_point=m.group(2), vfstype=m.group(3))90            )91    return mounts92class MacOSMountTable(MountTable):93    def read(self) -> List[MountInfo]:94        # Specifying the path is important, as sudo may have munged the path95        # such that /sbin is not part of it any longer96        contents = subprocess.check_output(["/sbin/mount"])97        return parse_macos_mount_output(contents)98    def unmount_lazy(self, mount_point: bytes) -> bool:99        return False100    def unmount_force(self, mount_point: bytes) -> bool:101        return False102    def create_bind_mount(self, source_path, dest_path) -> bool:103        return False104class NopMountTable(MountTable):105    def read(self) -> List[MountInfo]:106        return []107    def unmount_lazy(self, mount_point: bytes) -> bool:108        return False109    def unmount_force(self, mount_point: bytes) -> bool:110        return False111    def create_bind_mount(self, source_path, dest_path) -> bool:112        return False113def new() -> MountTable:114    if "linux" in sys.platform:115        return LinuxMountTable()116    if sys.platform == "darwin":117        return MacOSMountTable()...

add_file_endp.py

Source:add_file_endp.py

1from enum import Enum2from collections import namedtuple3# This is a surprising technique that is not an obvious extension to the language4class fe_fstype(namedtuple("fe_fstype", "id name"), Enum):5    EP_FE_GENERIC   =  8,   "generic"6    EP_FE_NFS       =  9,   "fe_nfs"7    EP_FE_ISCSI     = 10,   "fe_iscsi"8    EP_FE_CIFS      = 24,   "fe_cifs"9    EP_FE_NFS4      = 25,   "fe_nfs4"10    EP_FE_CIFSipv6  = 26,   "fe_cifs/ip6"11    EP_FE_NFSipv6   = 27,   "fe_nfs/ip6"12    EP_FE_NFS4ipv6  = 28,   "fe_nfs4/ip6"13    EP_FE_SMB2      = 29,   "fe_smb2"14    EP_FE_SMB2ipv6  = 30,   "fe_smb2/ip6"15    EP_FE_SMB21     = 35,   "fe_smb21"16    EP_FE_SMB21ipv6 = 36,   "fe_smb21/ip6"17    EP_FE_SMB30     = 37,   "fe_smb30"18    EP_FE_SMB30ipv6 = 38,   "fe_smb30/ip6"19    20class fe_payload_list(Enum):21        increasing      = 1 # bytes start at 00 and increase, wrapping if needed.22        decreasing      = 2 # bytes start at FF and decrease, wrapping if needed.23        random          = 3 # generate a new random payload each time sent.24        25        random_fixed    = 4 # Means generate one random payload, and send it over26                            # and over again.27        28        zeros           = 5 # Payload is all zeros (00).29        ones            = 6 # Payload is all ones  (FF).30        31        PRBS_4_0_3      = 7     # Use linear feedback shift register to generate pseudo random sequence.32                         # First number is bit-length of register, second two are TAPS (zero-based indexs)33                         # Seed value is always 1.34        35        PRBS_7_0_6     = 8 # PRBS (see above)36        PRBS_11_8_10   = 9 # PRBS (see above)37        PRBS_15_0_14   = 10 # PRBS (see above)38        custom         = 11 # Enter your own payload with the set_endp_payload cmd.39    40class fe_fio_flags(Enum):41        CHECK_MOUNT   =   0x1,    # (1) Attempt to verify NFS and SMB mounts match the configured values.42        AUTO_MOUNT    =   0x2,    # (2) Attempt to mount with the provided information if not already mounted.43        AUTO_UNMOUNT  =   0x4,    # (4)   Attempt to un-mount when stopping test.44        O_DIRECT      =   0x8,    # (8)   Open file with O_DIRECT flag, disables caching.  Must use block-size read/write calls.45        UNLINK_BW     =  0x10,    # (16)  Unlink file before writing.  This works around issues with CIFS for some file-servers.46        O_LARGEFILE   =  0x20,    # (32)  Open files with O_LARGEFILE.  This allows greater than 2GB files on 32-bit systems.47        UNMOUNT_FORCE =  0x40,    # (64)  Use -f flag when calling umount48        UNMOUNT_LAZY  =  0x80,    # (128)  Use -l flag when calling umount49        USE_FSTATFS   = 0x100,    # (256) Use fstatfs system call to verify file-system type when opening files.50                                    # This can take a bit of time on some file systems, but it can be used51                                    # to detect un-expected file-system unmounts and such.52        53        O_APPEND      = 0x200     # (512) Open files for writing with O_APPEND instead54                                    # of O_TRUNC.  This will cause files to grow ever larger.55    56    # base_endpoint_types cribbed from BaseEndpoint.java57    # we are unlikely to need this dictionary58class fe_base_endpoint_types(Enum):59    EP_FE_GENERIC = 860    EP_FE_NFS = 961    EP_FE_ISCSI = 1062    EP_FE_CIFS = 2463    EP_FE_NFS4 = 2564    EP_FE_CIFS6 = 2665    EP_FE_NFS6 = 2766    EP_FE_NFS46 = 2867    EP_FE_SMB2 = 2968    EP_FE_SMB26 = 3069    EP_FE_SMB21 = 3570    EP_FE_SMB216 = 3671    EP_FE_SMB30 = 37...

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