import os
import signal
import subprocess
+import time
+import arvados.commands._util as arv_cmd
from arvados_fuse import *
+from arvados.safeapi import ThreadSafeApiCache
+import arvados.keep
logger = logging.getLogger('arvados.arv-mount')
if __name__ == '__main__':
# Handle command line parameters
parser = argparse.ArgumentParser(
+ parents=[arv_cmd.retry_opt],
description='''Mount Keep data under the local filesystem. Default mode is --home''',
epilog="""
Note: When using the --exec feature, you must either specify the
mount_mode = parser.add_mutually_exclusive_group()
- mount_mode.add_argument('--all', action='store_true', help="""Mount a subdirectory for each mode: home, shared, tags, portable data hash (default).""")
+ mount_mode.add_argument('--all', action='store_true', help="""Mount a subdirectory for each mode: home, shared, by_tag, by_id (default).""")
mount_mode.add_argument('--home', action='store_true', help="""Mount only the user's home project.""")
mount_mode.add_argument('--shared', action='store_true', help="""Mount only list of projects shared with the user.""")
mount_mode.add_argument('--by-tag', action='store_true',
help="""Mount subdirectories listed by tag.""")
- mount_mode.add_argument('--by-hash', action='store_true',
- help="""Mount subdirectories listed by portable data hash.""")
+ mount_mode.add_argument('--by-id', action='store_true',
+ help="""Mount subdirectories listed by portable data hash or uuid.""")
mount_mode.add_argument('--project', type=str, help="""Mount a specific project.""")
mount_mode.add_argument('--collection', type=str, help="""Mount only the specified collection.""")
parser.add_argument('--debug', action='store_true', help="""Debug mode""")
parser.add_argument('--logfile', help="""Write debug logs and errors to the specified file (default stderr).""")
parser.add_argument('--foreground', action='store_true', help="""Run in foreground (default is to daemonize unless --exec specified)""", default=False)
+ parser.add_argument('--encoding', type=str, help="Character encoding to use for filesystem, default is utf-8 (see Python codec registry for list of available encodings)", default="utf-8")
+
+ parser.add_argument('--file-cache', type=int, help="File data cache size, in bytes (default 256MiB)", default=256*1024*1024)
+ parser.add_argument('--directory-cache', type=int, help="Directory data cache size, in bytes (default 128MiB)", default=128*1024*1024)
+
parser.add_argument('--exec', type=str, nargs=argparse.REMAINDER,
dest="exec_args", metavar=('command', 'args', '...', '--'),
help="""Mount, run a command, then unmount and exit""")
else:
daemon_ctx = None
- # Configure a logger based on command-line switches.
- # If we're using a contemporary Python SDK (mid-August 2014),
- # configure the arvados hierarchy logger.
- # Otherwise, configure the program root logger.
- base_logger = getattr(arvados, 'logger', None)
-
+ # Configure a log handler based on command-line switches.
if args.logfile:
log_handler = logging.FileHandler(args.logfile)
elif daemon_ctx:
log_handler = logging.NullHandler()
- elif base_logger:
- log_handler = arvados.log_handler
else:
- log_handler = logging.StreamHandler()
+ log_handler = None
- if base_logger is None:
- base_logger = logging.getLogger()
- else:
- base_logger.removeHandler(arvados.log_handler)
- base_logger.addHandler(log_handler)
+ if log_handler is not None:
+ arvados.logger.removeHandler(arvados.log_handler)
+ arvados.logger.addHandler(log_handler)
if args.debug:
- base_logger.setLevel(logging.DEBUG)
+ arvados.logger.setLevel(logging.DEBUG)
logger.debug("arv-mount debugging enabled")
try:
# Create the request handler
- operations = Operations(os.getuid(), os.getgid())
- api = arvados.api('v1')
-
- if args.by_hash:
+ operations = Operations(os.getuid(),
+ os.getgid(),
+ encoding=args.encoding,
+ inode_cache=InodeCache(cap=args.directory_cache))
+ api = ThreadSafeApiCache(apiconfig=arvados.config.settings(),
+ keep_params={"block_cache": arvados.keep.KeepBlockCache(args.file_cache)})
+
+ usr = api.users().current().execute(num_retries=args.retries)
+ now = time.time()
+ dir_class = None
+ dir_args = [llfuse.ROOT_INODE, operations.inodes, api, args.retries]
+ if args.by_id:
# Set up the request handler with the 'magic directory' at the root
- operations.inodes.add_entry(MagicDirectory(llfuse.ROOT_INODE, operations.inodes, api))
+ dir_class = MagicDirectory
elif args.by_tag:
- operations.inodes.add_entry(TagsDirectory(llfuse.ROOT_INODE, operations.inodes, api))
+ dir_class = TagsDirectory
elif args.shared:
- operations.inodes.add_entry(SharedDirectory(llfuse.ROOT_INODE, operations.inodes, api))
- elif args.collection != None:
+ dir_class = SharedDirectory
+ dir_args.append(usr)
+ elif args.home:
+ dir_class = ProjectDirectory
+ dir_args.append(usr)
+ dir_args.append(True)
+ elif args.collection is not None:
# Set up the request handler with the collection at the root
- operations.inodes.add_entry(CollectionDirectory(llfuse.ROOT_INODE, operations.inodes, args.collection))
- elif args.project != None:
- operations.inodes.add_entry(ProjectDirectory(llfuse.ROOT_INODE, operations.inodes, args.project))
+ dir_class = CollectionDirectory
+ dir_args.append(args.collection)
+ elif args.project is not None:
+ dir_class = ProjectDirectory
+ dir_args.append(api.groups().get(uuid=args.project).execute(
+ num_retries=args.retries))
+
+ if dir_class is not None:
+ operations.inodes.add_entry(dir_class(*dir_args))
else:
- e = operations.inodes.add_entry(Directory(llfuse.ROOT_INODE))
- usr = api.users().current().execute()
- e._entries['home'] = operations.inodes.add_entry(ProjectDirectory(e.inode, operations.inodes, api, usr))
- e._entries['shared'] = operations.inodes.add_entry(SharedDirectory(e.inode, operations.inodes, api, usr))
- e._entries['by_tag'] = operations.inodes.add_entry(TagsDirectory(e.inode, operations.inodes, api))
- e._entries['by_hash'] = operations.inodes.add_entry(MagicDirectory(e.inode, operations.inodes, api))
+ e = operations.inodes.add_entry(Directory(llfuse.ROOT_INODE, operations.inodes))
+ dir_args[0] = e.inode
+
+ e._entries['by_id'] = operations.inodes.add_entry(MagicDirectory(*dir_args))
+ e._entries['by_tag'] = operations.inodes.add_entry(TagsDirectory(*dir_args))
+
+ dir_args.append(usr)
+ dir_args.append(True)
+ e._entries['home'] = operations.inodes.add_entry(ProjectDirectory(*dir_args))
+ e._entries['shared'] = operations.inodes.add_entry(SharedDirectory(*dir_args))
+
+ text = '''
+Welcome to Arvados! This directory provides file system access to files and objects
+available on the Arvados installation located at '{}'
+using credentials for user '{}'.
+
+From here, the following directories are available:
+
+ by_id/ Access to Keep collections by uuid or portable data hash (see by_id/README for details).
+ by_tag/ Access to Keep collections organized by tag.
+ home/ The contents of your home project.
+ shared/ Projects shared with you.
+'''.format(arvados.config.get('ARVADOS_API_HOST'), usr['email'])
+
+ e._entries["README"] = operations.inodes.add_entry(StringFile(e.inode, text, now))
+
except Exception:
logger.exception("arv-mount: exception during API setup")
projects / arvados.git / blobdiff