#!/usr/bin/env python
-import argparse
-import arvados
-import daemon
-import os
-import signal
-import subprocess
-
-from arvados_fuse import *
+import arvados_fuse.command
if __name__ == '__main__':
- # Handle command line parameters
- parser = argparse.ArgumentParser(
- description='''Mount Keep data under the local filesystem. By default, if neither
- --collection or --tags is specified, this mounts as a virtual directory
- under which all Keep collections are available as subdirectories named
- with the Keep locator; however directories will not be visible to 'ls'
- until a program tries to access them.''',
- epilog="""
-Note: When using the --exec feature, you must either specify the
-mountpoint before --exec, or mark the end of your --exec arguments
-with "--".
-""")
- parser.add_argument('mountpoint', type=str, help="""Mount point.""")
- parser.add_argument('--allow-other', action='store_true',
- help="""Let other users read the mount""")
- parser.add_argument('--collection', type=str, help="""Mount only the specified collection at the mount point.""")
- parser.add_argument('--tags', action='store_true', help="""Mount as a virtual directory consisting of subdirectories representing tagged
-collections on the server.""")
- parser.add_argument('--groups', action='store_true', help="""Mount as a virtual directory consisting of subdirectories representing groups on the server.""")
- parser.add_argument('--debug', action='store_true', help="""Debug mode""")
- parser.add_argument('--foreground', action='store_true', help="""Run in foreground (default is to daemonize unless --exec specified)""", default=False)
- parser.add_argument('--exec', type=str, nargs=argparse.REMAINDER,
- dest="exec_args", metavar=('command', 'args', '...', '--'),
- help="""Mount, run a command, then unmount and exit""")
-
- args = parser.parse_args()
-
- # Create the request handler
- operations = Operations(os.getuid(), os.getgid(), args.debug)
-
- if args.debug:
- arvados.config.settings()['ARVADOS_DEBUG'] = 'true'
-
- try:
- api = arvados.api('v1')
-
- if args.groups:
- e = operations.inodes.add_entry(GroupsDirectory(llfuse.ROOT_INODE, operations.inodes, api))
- elif args.tags:
- e = operations.inodes.add_entry(TagsDirectory(llfuse.ROOT_INODE, operations.inodes, api))
- elif args.collection != None:
- # Set up the request handler with the collection at the root
- e = operations.inodes.add_entry(CollectionDirectory(llfuse.ROOT_INODE, operations.inodes, args.collection))
- else:
- # Set up the request handler with the 'magic directory' at the root
- operations.inodes.add_entry(MagicDirectory(llfuse.ROOT_INODE, operations.inodes))
- except Exception as ex:
- print("arv-mount: %s" % ex)
- exit(1)
-
- # FUSE options, see mount.fuse(8)
- opts = [optname for optname in ['allow_other', 'debug']
- if getattr(args, optname)]
-
- if args.exec_args:
- # Initialize the fuse connection
- llfuse.init(operations, args.mountpoint, opts)
-
- t = threading.Thread(None, lambda: llfuse.main())
- t.start()
-
- # wait until the driver is finished initializing
- operations.initlock.wait()
-
- rc = 255
- try:
- sp = subprocess.Popen(args.exec_args, shell=False)
-
- # forward signals to the process.
- signal.signal(signal.SIGINT, lambda signum, frame: sp.send_signal(signum))
- signal.signal(signal.SIGTERM, lambda signum, frame: sp.send_signal(signum))
- signal.signal(signal.SIGQUIT, lambda signum, frame: sp.send_signal(signum))
-
- # wait for process to complete.
- rc = sp.wait()
-
- # restore default signal handlers.
- signal.signal(signal.SIGINT, signal.SIG_DFL)
- signal.signal(signal.SIGTERM, signal.SIG_DFL)
- signal.signal(signal.SIGQUIT, signal.SIG_DFL)
- except OSError as e:
- sys.stderr.write('arv-mount: %s -- exec %s\n' % (str(e), args.exec_args))
- rc = e.errno
- except Exception as e:
- sys.stderr.write('arv-mount: %s\n' % str(e))
- finally:
- subprocess.call(["fusermount", "-u", "-z", args.mountpoint])
-
- exit(rc)
- else:
- os.chdir(args.mountpoint)
- if not args.foreground:
- daemon_ctx = daemon.DaemonContext(working_directory='.')
- daemon_ctx.open()
- llfuse.init(operations, '.', opts)
- llfuse.main()
+ args = arvados_fuse.command.ArgumentParser().parse_args()
+ arvados_fuse.command.Mount(args).run()
projects / arvados.git / blobdiff