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https://github.com/ansible-collections/community.general.git
synced 2026-04-08 21:17:20 +00:00
Reformat everything.
This commit is contained in:
Felix Fontein
parent
3f2213791a
commit
340ff8586d
1008 changed files with 61301 additions and 58309 deletions
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@ -14,9 +14,9 @@ def normalize_subvolume_path(path):
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Normalizes btrfs subvolume paths to ensure exactly one leading slash, no trailing slashes and no consecutive slashes.
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In addition, if the path is prefixed with a leading <FS_TREE>, this value is removed.
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"""
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fstree_stripped = re.sub(r'^<FS_TREE>', '', path)
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result = re.sub(r'/+$', '', re.sub(r'/+', '/', f"/{fstree_stripped}"))
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return result if len(result) > 0 else '/'
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fstree_stripped = re.sub(r"^<FS_TREE>", "", path)
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result = re.sub(r"/+$", "", re.sub(r"/+", "/", f"/{fstree_stripped}"))
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return result if len(result) > 0 else "/"
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class BtrfsModuleException(Exception):
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@ -24,7 +24,6 @@ class BtrfsModuleException(Exception):
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class BtrfsCommands:
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"""
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Provides access to a subset of the Btrfs command line
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"""
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@ -40,43 +39,43 @@ class BtrfsCommands:
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filesystems = []
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current = None
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for line in stdout:
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if line.startswith('Label'):
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if line.startswith("Label"):
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current = self.__parse_filesystem(line)
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filesystems.append(current)
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elif line.startswith('devid'):
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current['devices'].append(self.__parse_filesystem_device(line))
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elif line.startswith("devid"):
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current["devices"].append(self.__parse_filesystem_device(line))
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return filesystems
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def __parse_filesystem(self, line):
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label = re.sub(r'\s*uuid:.*$', '', re.sub(r'^Label:\s*', '', line))
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id = re.sub(r'^.*uuid:\s*', '', line)
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label = re.sub(r"\s*uuid:.*$", "", re.sub(r"^Label:\s*", "", line))
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id = re.sub(r"^.*uuid:\s*", "", line)
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filesystem = {}
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filesystem['label'] = label.strip("'") if label != 'none' else None
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filesystem['uuid'] = id
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filesystem['devices'] = []
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filesystem['mountpoints'] = []
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filesystem['subvolumes'] = []
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filesystem['default_subvolid'] = None
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filesystem["label"] = label.strip("'") if label != "none" else None
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filesystem["uuid"] = id
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filesystem["devices"] = []
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filesystem["mountpoints"] = []
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filesystem["subvolumes"] = []
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filesystem["default_subvolid"] = None
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return filesystem
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def __parse_filesystem_device(self, line):
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return re.sub(r'^.*path\s', '', line)
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return re.sub(r"^.*path\s", "", line)
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def subvolumes_list(self, filesystem_path):
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command = f"{self.__btrfs} subvolume list -tap {filesystem_path}"
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result = self.__module.run_command(command, check_rc=True)
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stdout = [x.split('\t') for x in result[1].splitlines()]
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subvolumes = [{'id': 5, 'parent': None, 'path': '/'}]
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stdout = [x.split("\t") for x in result[1].splitlines()]
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subvolumes = [{"id": 5, "parent": None, "path": "/"}]
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if len(stdout) > 2:
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subvolumes.extend([self.__parse_subvolume_list_record(x) for x in stdout[2:]])
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return subvolumes
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def __parse_subvolume_list_record(self, item):
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return {
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'id': int(item[0]),
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'parent': int(item[2]),
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'path': normalize_subvolume_path(item[5]),
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"id": int(item[0]),
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"parent": int(item[2]),
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"path": normalize_subvolume_path(item[5]),
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}
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def subvolume_get_default(self, filesystem_path):
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@ -103,7 +102,6 @@ class BtrfsCommands:
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class BtrfsInfoProvider:
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"""
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Utility providing details of the currently available btrfs filesystems
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"""
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@ -117,15 +115,14 @@ class BtrfsInfoProvider:
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filesystems = self.__btrfs_api.filesystem_show()
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mountpoints = self.__find_mountpoints()
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for filesystem in filesystems:
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device_mountpoints = self.__filter_mountpoints_for_devices(mountpoints, filesystem['devices'])
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filesystem['mountpoints'] = device_mountpoints
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device_mountpoints = self.__filter_mountpoints_for_devices(mountpoints, filesystem["devices"])
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filesystem["mountpoints"] = device_mountpoints
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if len(device_mountpoints) > 0:
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# any path within the filesystem can be used to query metadata
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mountpoint = device_mountpoints[0]['mountpoint']
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filesystem['subvolumes'] = self.get_subvolumes(mountpoint)
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filesystem['default_subvolid'] = self.get_default_subvolume_id(mountpoint)
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mountpoint = device_mountpoints[0]["mountpoint"]
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filesystem["subvolumes"] = self.get_subvolumes(mountpoint)
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filesystem["default_subvolid"] = self.get_default_subvolume_id(mountpoint)
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return filesystems
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@ -140,7 +137,7 @@ class BtrfsInfoProvider:
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return self.__btrfs_api.subvolume_get_default(filesystem_path)
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def __filter_mountpoints_for_devices(self, mountpoints, devices):
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return [m for m in mountpoints if (m['device'] in devices)]
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return [m for m in mountpoints if (m["device"] in devices)]
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def __find_mountpoints(self):
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command = f"{self.__findmnt_path} -t btrfs -nvP"
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@ -154,28 +151,29 @@ class BtrfsInfoProvider:
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return mountpoints
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def __parse_mountpoint_pairs(self, line):
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pattern = re.compile(r'^TARGET="(?P<target>.*)"\s+SOURCE="(?P<source>.*)"\s+FSTYPE="(?P<fstype>.*)"\s+OPTIONS="(?P<options>.*)"\s*$')
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pattern = re.compile(
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r'^TARGET="(?P<target>.*)"\s+SOURCE="(?P<source>.*)"\s+FSTYPE="(?P<fstype>.*)"\s+OPTIONS="(?P<options>.*)"\s*$'
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)
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match = pattern.search(line)
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if match is not None:
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groups = match.groupdict()
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return {
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'mountpoint': groups['target'],
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'device': groups['source'],
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'subvolid': self.__extract_mount_subvolid(groups['options']),
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"mountpoint": groups["target"],
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"device": groups["source"],
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"subvolid": self.__extract_mount_subvolid(groups["options"]),
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}
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else:
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raise BtrfsModuleException(f"Failed to parse findmnt result for line: '{line}'")
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def __extract_mount_subvolid(self, mount_options):
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for option in mount_options.split(','):
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if option.startswith('subvolid='):
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return int(option[len('subvolid='):])
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for option in mount_options.split(","):
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if option.startswith("subvolid="):
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return int(option[len("subvolid=") :])
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raise BtrfsModuleException(f"Failed to find subvolid for mountpoint in options '{mount_options}'")
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class BtrfsSubvolume:
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"""
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Wrapper class providing convenience methods for inspection of a btrfs subvolume
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"""
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@ -219,8 +217,8 @@ class BtrfsSubvolume:
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"""
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path = self.path
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if absolute_child_path.startswith(path):
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relative = absolute_child_path[len(path):]
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return re.sub(r'^/*', '', relative)
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relative = absolute_child_path[len(path) :]
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return re.sub(r"^/*", "", relative)
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else:
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raise BtrfsModuleException(f"Path '{absolute_child_path}' doesn't start with '{path}'")
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@ -241,19 +239,18 @@ class BtrfsSubvolume:
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@property
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def name(self):
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return self.path.split('/').pop()
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return self.path.split("/").pop()
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@property
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def path(self):
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return self.__info['path']
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return self.__info["path"]
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@property
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def parent(self):
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return self.__info['parent']
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return self.__info["parent"]
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class BtrfsFilesystem:
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"""
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Wrapper class providing convenience methods for inspection of a btrfs filesystem
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"""
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@ -262,14 +259,14 @@ class BtrfsFilesystem:
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self.__provider = provider
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# constant for module execution
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self.__uuid = info['uuid']
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self.__label = info['label']
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self.__devices = info['devices']
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self.__uuid = info["uuid"]
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self.__label = info["label"]
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self.__devices = info["devices"]
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# refreshable
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self.__default_subvolid = info['default_subvolid'] if 'default_subvolid' in info else None
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self.__update_mountpoints(info['mountpoints'] if 'mountpoints' in info else [])
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self.__update_subvolumes(info['subvolumes'] if 'subvolumes' in info else [])
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self.__default_subvolid = info["default_subvolid"] if "default_subvolid" in info else None
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self.__update_mountpoints(info["mountpoints"] if "mountpoints" in info else [])
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self.__update_subvolumes(info["subvolumes"] if "subvolumes" in info else [])
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@property
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def uuid(self):
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@ -299,8 +296,8 @@ class BtrfsFilesystem:
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def __update_mountpoints(self, mountpoints):
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self.__mountpoints = dict()
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for i in mountpoints:
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subvolid = i['subvolid']
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mountpoint = i['mountpoint']
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subvolid = i["subvolid"]
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mountpoint = i["mountpoint"]
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if subvolid not in self.__mountpoints:
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self.__mountpoints[subvolid] = []
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self.__mountpoints[subvolid].append(mountpoint)
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@ -315,7 +312,7 @@ class BtrfsFilesystem:
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# TODO strategy for retaining information on deleted subvolumes?
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self.__subvolumes = dict()
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for subvolume in subvolumes:
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self.__subvolumes[subvolume['id']] = subvolume
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self.__subvolumes[subvolume["id"]] = subvolume
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def refresh_default_subvolume(self):
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filesystem_path = self.get_any_mountpoint()
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@ -336,8 +333,8 @@ class BtrfsFilesystem:
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def get_subvolume_by_name(self, subvolume):
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for subvolume_info in self.__subvolumes.values():
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if subvolume_info['path'] == subvolume:
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return BtrfsSubvolume(self, subvolume_info['id'])
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if subvolume_info["path"] == subvolume:
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return BtrfsSubvolume(self, subvolume_info["id"])
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return None
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def get_any_mountpoint(self):
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@ -361,9 +358,9 @@ class BtrfsFilesystem:
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subvolumes_by_path = self.__get_subvolumes_by_path()
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while len(subvolume) > 1:
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if subvolume in subvolumes_by_path:
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return BtrfsSubvolume(self, subvolumes_by_path[subvolume]['id'])
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return BtrfsSubvolume(self, subvolumes_by_path[subvolume]["id"])
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else:
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subvolume = re.sub(r'/[^/]+$', '', subvolume)
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subvolume = re.sub(r"/[^/]+$", "", subvolume)
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return BtrfsSubvolume(self, 5)
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@ -378,12 +375,12 @@ class BtrfsFilesystem:
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return nearest.get_mounted_path() + os.path.sep + nearest.get_child_relative_path(subvolume_name)
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def get_subvolume_children(self, subvolume_id):
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return [BtrfsSubvolume(self, x['id']) for x in self.__subvolumes.values() if x['parent'] == subvolume_id]
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return [BtrfsSubvolume(self, x["id"]) for x in self.__subvolumes.values() if x["parent"] == subvolume_id]
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def __get_subvolumes_by_path(self):
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result = {}
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for s in self.__subvolumes.values():
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path = s['path']
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path = s["path"]
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result[path] = s
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return result
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@ -394,25 +391,26 @@ class BtrfsFilesystem:
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subvolumes = []
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sources = self.__subvolumes.values() if self.__subvolumes is not None else []
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for subvolume in sources:
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id = subvolume['id']
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subvolumes.append({
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'id': id,
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'path': subvolume['path'],
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'parent': subvolume['parent'],
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'mountpoints': self.get_mountpoints_by_subvolume_id(id),
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})
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id = subvolume["id"]
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subvolumes.append(
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{
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"id": id,
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"path": subvolume["path"],
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"parent": subvolume["parent"],
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"mountpoints": self.get_mountpoints_by_subvolume_id(id),
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}
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)
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return {
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'default_subvolume': self.__default_subvolid,
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'devices': self.__devices,
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'label': self.__label,
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'uuid': self.__uuid,
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'subvolumes': subvolumes,
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"default_subvolume": self.__default_subvolid,
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"devices": self.__devices,
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"label": self.__label,
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"uuid": self.__uuid,
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"subvolumes": subvolumes,
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}
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class BtrfsFilesystemsProvider:
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"""
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Provides methods to query available btrfs filesystems
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"""
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@ -423,8 +421,8 @@ class BtrfsFilesystemsProvider:
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self.__filesystems = None
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def get_matching_filesystem(self, criteria):
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if criteria['device'] is not None:
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criteria['device'] = os.path.realpath(criteria['device'])
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if criteria["device"] is not None:
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criteria["device"] = os.path.realpath(criteria["device"])
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self.__check_init()
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matching = [f for f in self.__filesystems.values() if self.__filesystem_matches_criteria(f, criteria)]
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@ -436,9 +434,11 @@ class BtrfsFilesystemsProvider:
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)
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def __filesystem_matches_criteria(self, filesystem, criteria):
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return ((criteria['uuid'] is None or filesystem.uuid == criteria['uuid']) and
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(criteria['label'] is None or filesystem.label == criteria['label']) and
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(criteria['device'] is None or filesystem.contains_device(criteria['device'])))
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return (
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(criteria["uuid"] is None or filesystem.uuid == criteria["uuid"])
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and (criteria["label"] is None or filesystem.label == criteria["label"])
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and (criteria["device"] is None or filesystem.contains_device(criteria["device"]))
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)
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def get_filesystem_for_device(self, device):
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real_device = os.path.realpath(device)
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@ -456,5 +456,5 @@ class BtrfsFilesystemsProvider:
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if self.__filesystems is None:
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self.__filesystems = dict()
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for f in self.__provider.get_filesystems():
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uuid = f['uuid']
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uuid = f["uuid"]
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self.__filesystems[uuid] = BtrfsFilesystem(f, self.__provider, self.__module)
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