diff options
| -rwxr-xr-x | scripts/qmp/qom-fuse | 59 |
1 files changed, 46 insertions, 13 deletions
diff --git a/scripts/qmp/qom-fuse b/scripts/qmp/qom-fuse index 1fb3008a16..1676fb78d9 100755 --- a/scripts/qmp/qom-fuse +++ b/scripts/qmp/qom-fuse @@ -7,11 +7,19 @@ may be browsed, queried and edited using traditional shell tooling. This script requires the 'fusepy' python package. -ENV: - QMP_SOCKET: Path to the QMP server socket -Usage: - qom-fuse /mount/to/here +usage: qom-fuse [-h] [--socket SOCKET] <mount> + +Mount a QOM tree as a FUSE filesystem + +positional arguments: + <mount> Mount point + +optional arguments: + -h, --help show this help message and exit + --socket SOCKET, -s SOCKET + QMP socket path or address (addr:port). May also be + set via QMP_SOCKET environment variable. """ ## # Copyright IBM, Corp. 2012 @@ -25,30 +33,56 @@ Usage: # See the COPYING file in the top-level directory. ## +import argparse from errno import ENOENT, EPERM import os import stat import sys +from typing import Dict import fuse from fuse import FUSE, FuseOSError, Operations sys.path.append(os.path.join(os.path.dirname(__file__), '..', '..', 'python')) -from qemu.qmp import QEMUMonitorProtocol, QMPResponseError +from qemu.qmp import QMPResponseError +from qemu.qmp.qom_common import QOMCommand fuse.fuse_python_api = (0, 2) -class QOMFS(Operations): - """QOMFS implements fuse.Operations to provide a QOM filesystem.""" - def __init__(self, qmp): - self.qmp = qmp - self.qmp.connect() - self.ino_map = {} +class QOMFuse(QOMCommand, Operations): + """ + QOMFuse implements both fuse.Operations and QOMCommand. + + Operations implements the FS, and QOMCommand implements the CLI command. + """ + name = 'fuse' + help = 'Mount a QOM tree as a FUSE filesystem' + fuse: FUSE + + @classmethod + def configure_parser(cls, parser: argparse.ArgumentParser) -> None: + super().configure_parser(parser) + parser.add_argument( + 'mount', + metavar='<mount>', + action='store', + help="Mount point", + ) + + def __init__(self, args: argparse.Namespace): + super().__init__(args) + self.mount = args.mount + self.ino_map: Dict[str, int] = {} self.ino_count = 1 + def run(self) -> int: + print(f"Mounting QOMFS to '{self.mount}'", file=sys.stderr) + self.fuse = FUSE(self, self.mount, foreground=True) + return 0 + def get_ino(self, path): """Get an inode number for a given QOM path.""" if path in self.ino_map: @@ -171,5 +205,4 @@ class QOMFS(Operations): if __name__ == '__main__': - fuse = FUSE(QOMFS(QEMUMonitorProtocol(os.environ['QMP_SOCKET'])), - sys.argv[1], foreground=True) + sys.exit(QOMFuse.entry_point()) |