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# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from testinfra.modules.base import Module
class MountPoint(Module):
"""Test Mount Points"""
def __init__(self, path, _attrs_cache=None):
self.path = path
self._attrs_cache = _attrs_cache
super().__init__()
@classmethod
def _iter_mountpoints(cls):
raise NotImplementedError
@property
def exists(self):
"""Return True if the mountpoint exists
>>> host.mount_point("/").exists
True
>>> host.mount_point("/not/a/mountpoint").exists
False
"""
return bool(self._attrs)
@property
def _attrs(self):
if self._attrs_cache is None:
for mountpoint in self._iter_mountpoints():
if mountpoint["path"] == self.path:
self._attrs_cache = mountpoint
break
else:
self._attrs_cache = {}
return self._attrs_cache
@property
def filesystem(self):
"""Returns the filesystem type associated
>>> host.mount_point("/").filesystem
'ext4'
"""
return self._attrs["filesystem"]
@property
def device(self):
"""Return the device associated
>>> host.mount_point("/").device
'/dev/sda1'
"""
return self._attrs["device"]
@property
def options(self):
"""Return a list of options that a mount point has been created with
>>> host.mount_point("/").options
['rw', 'relatime', 'data=ordered']
"""
return self._attrs["options"]
@classmethod
def get_mountpoints(cls):
"""Returns a list of MountPoint instances
>>> host.mount_point.get_mountpoints()
[<MountPoint(path=/proc, device=proc, filesystem=proc, options=rw,nosuid,nodev,noexec,relatime)>,
<MountPoint(path=/, device=/dev/sda1, filesystem=ext4, options=rw,relatime,errors=remount-ro,data=ordered)>]
"""
mountpoints = []
for mountpoint in cls._iter_mountpoints():
mountpoints.append(cls(mountpoint["path"], mountpoint))
return mountpoints
@classmethod
def get_module_class(cls, host):
if host.system_info.type == "linux":
return LinuxMountPoint
if host.system_info.type.endswith("bsd"):
return BSDMountPoint
raise NotImplementedError
def __repr__(self):
if self.exists:
d = self.device
f = self.filesystem
o = ",".join(self.options)
else:
d = ""
f = ""
o = ""
return (
f'<MountPoint(path="{self.path}", exists={self.exists}, device="{d}", '
f'filesystem="{f}", options="{o}") at 0x{id(self):08x}>'
)
class LinuxMountPoint(MountPoint):
@classmethod
def _iter_mountpoints(cls):
check_output = cls(None).check_output
for line in check_output("cat /proc/mounts").splitlines():
splitted = line.split()
# ignore rootfs
# https://www.kernel.org/doc/Documentation/filesystems/ramfs-rootfs-initramfs.txt
# suggests that most OS mount the filesystem over it, leaving
# rootfs would result in ambiguity when resolving a mountpoint.
if splitted[0] == "rootfs":
continue
yield {
"path": splitted[1],
"device": splitted[0],
"filesystem": splitted[2],
"options": splitted[3].split(","),
}
class BSDMountPoint(MountPoint):
@classmethod
def _iter_mountpoints(cls):
check_output = cls(None).check_output
for line in check_output("mount -p").splitlines():
splitted = line.split()
yield {
"path": splitted[1],
"device": splitted[0],
"filesystem": splitted[2],
"options": splitted[3].split(","),
}
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