+# Copyright (C) The Arvados Authors. All rights reserved.
+#
+# SPDX-License-Identifier: AGPL-3.0
+
import logging
import re
import time
# delete any other directory entries that were not in found in 'items'
for i in oldentries:
_logger.debug("Forgetting about entry '%s' on inode %i", i, self.inode)
- self.inodes.invalidate_entry(self.inode, i.encode(self.inodes.encoding))
+ self.inodes.invalidate_entry(self, i)
self.inodes.del_entry(oldentries[i])
changed = True
if changed:
- self.inodes.invalidate_inode(self.inode)
+ self.inodes.invalidate_inode(self)
self._mtime = time.time()
self.fresh()
self._entries = {}
for n in oldentries:
oldentries[n].clear()
- self.inodes.invalidate_entry(self.inode, n.encode(self.inodes.encoding))
self.inodes.del_entry(oldentries[n])
- self.inodes.invalidate_inode(self.inode)
self.invalidate()
def kernel_invalidate(self):
- for n, e in self._entries.iteritems():
- self.inodes.invalidate_entry(self.inode, n.encode(self.inodes.encoding))
- e.kernel_invalidate()
- self.inodes.invalidate_inode(self.inode)
+ # Invalidating the dentry on the parent implies invalidating all paths
+ # below it as well.
+ parent = self.inodes[self.parent_inode]
+
+ # Find self on the parent in order to invalidate this path.
+ # Calling the public items() method might trigger a refresh,
+ # which we definitely don't want, so read the internal dict directly.
+ for k,v in parent._entries.items():
+ if v is self:
+ self.inodes.invalidate_entry(parent, k)
+ break
def mtime(self):
return self._mtime
elif event == arvados.collection.DEL:
ent = self._entries[name]
del self._entries[name]
- self.inodes.invalidate_entry(self.inode, name.encode(self.inodes.encoding))
+ self.inodes.invalidate_entry(self, name)
self.inodes.del_entry(ent)
elif event == arvados.collection.MOD:
if hasattr(item, "fuse_entry") and item.fuse_entry is not None:
- self.inodes.invalidate_inode(item.fuse_entry.inode)
+ self.inodes.invalidate_inode(item.fuse_entry)
elif name in self._entries:
- self.inodes.invalidate_inode(self._entries[name].inode)
+ self.inodes.invalidate_inode(self._entries[name])
def populate(self, mtime):
self._mtime = mtime
self.collection.stop_threads()
def clear(self):
+ if self.collection is not None:
+ self.collection.stop_threads()
super(CollectionDirectory, self).clear()
self._manifest_size = 0
if self.collection_record_file:
with llfuse.lock:
self.collection_record_file.invalidate()
- self.inodes.invalidate_inode(self.collection_record_file.inode)
+ self.inodes.invalidate_inode(self.collection_record_file)
_logger.debug("%s invalidated collection record", self)
def collection_record(self):
return False
try:
+ e = None
e = self.inodes.add_entry(CollectionDirectory(
self.inode, self.inodes, self.api, self.num_retries, k))
self.inodes.del_entry(e)
return True
else:
- self.inodes.invalidate_entry(self.inode, k)
+ self.inodes.invalidate_entry(self, k)
self.inodes.del_entry(e)
return False
except Exception as ex:
- _logger.debug('arv-mount exception keep %s', ex)
- self.inodes.del_entry(e)
+ _logger.exception("arv-mount lookup '%s':", k)
+ if e is not None:
+ self.inodes.del_entry(e)
return False
def __getitem__(self, item):
self.num_retries = num_retries
self._poll = True
self._poll_time = poll_time
+ self._extra = set()
def want_event_subscribe(self):
return True
def update(self):
with llfuse.lock_released:
tags = self.api.links().list(
- filters=[['link_class', '=', 'tag']],
- select=['name'], distinct=True
+ filters=[['link_class', '=', 'tag'], ["name", "!=", ""]],
+ select=['name'], distinct=True, limit=1000
).execute(num_retries=self.num_retries)
if "items" in tags:
- self.merge(tags['items'],
+ self.merge(tags['items']+[{"name": n} for n in self._extra],
lambda i: i['name'],
lambda a, i: a.tag == i['name'],
lambda i: TagDirectory(self.inode, self.inodes, self.api, self.num_retries, i['name'], poll=self._poll, poll_time=self._poll_time))
+ @use_counter
+ @check_update
+ def __getitem__(self, item):
+ if super(TagsDirectory, self).__contains__(item):
+ return super(TagsDirectory, self).__getitem__(item)
+ with llfuse.lock_released:
+ tags = self.api.links().list(
+ filters=[['link_class', '=', 'tag'], ['name', '=', item]], limit=1
+ ).execute(num_retries=self.num_retries)
+ if tags["items"]:
+ self._extra.add(item)
+ self.update()
+ return super(TagsDirectory, self).__getitem__(item)
+
+ @use_counter
+ @check_update
+ def __contains__(self, k):
+ if super(TagsDirectory, self).__contains__(k):
+ return True
+ try:
+ self[k]
+ return True
+ except KeyError:
+ pass
+ return False
+
class TagDirectory(Directory):
"""A special directory that contains as subdirectories all collections visible
self._poll_time = poll_time
self._updating_lock = threading.Lock()
self._current_user = None
+ self._full_listing = False
def want_event_subscribe(self):
return True
def uuid(self):
return self.project_uuid
+ def items(self):
+ self._full_listing = True
+ return super(ProjectDirectory, self).items()
+
+ def namefn(self, i):
+ if 'name' in i:
+ if i['name'] is None or len(i['name']) == 0:
+ return None
+ elif "uuid" in i and (collection_uuid_pattern.match(i['uuid']) or group_uuid_pattern.match(i['uuid'])):
+ # collection or subproject
+ return i['name']
+ elif link_uuid_pattern.match(i['uuid']) and i['head_kind'] == 'arvados#collection':
+ # name link
+ return i['name']
+ elif 'kind' in i and i['kind'].startswith('arvados#'):
+ # something else
+ return "{}.{}".format(i['name'], i['kind'][8:])
+ else:
+ return None
+
+
@use_counter
def update(self):
if self.project_object_file == None:
self.project_object_file = ObjectFile(self.inode, self.project_object)
self.inodes.add_entry(self.project_object_file)
- def namefn(i):
- if 'name' in i:
- if i['name'] is None or len(i['name']) == 0:
- return None
- elif collection_uuid_pattern.match(i['uuid']) or group_uuid_pattern.match(i['uuid']):
- # collection or subproject
- return i['name']
- elif link_uuid_pattern.match(i['uuid']) and i['head_kind'] == 'arvados#collection':
- # name link
- return i['name']
- elif 'kind' in i and i['kind'].startswith('arvados#'):
- # something else
- return "{}.{}".format(i['name'], i['kind'][8:])
- else:
- return None
+ if not self._full_listing:
+ return
def samefn(a, i):
if isinstance(a, CollectionDirectory) or isinstance(a, ProjectDirectory):
self.project_object = self.api.users().get(
uuid=self.project_uuid).execute(num_retries=self.num_retries)
- contents = arvados.util.list_all(self.api.groups().contents,
- self.num_retries, uuid=self.project_uuid)
+ contents = arvados.util.list_all(self.api.groups().list,
+ self.num_retries,
+ filters=[["owner_uuid", "=", self.project_uuid],
+ ["group_class", "=", "project"]])
+ contents.extend(arvados.util.list_all(self.api.collections().list,
+ self.num_retries,
+ filters=[["owner_uuid", "=", self.project_uuid]]))
# end with llfuse.lock_released, re-acquire lock
self.merge(contents,
- namefn,
+ self.namefn,
samefn,
self.createDirectory)
finally:
self._updating_lock.release()
+ def _add_entry(self, i, name):
+ ent = self.createDirectory(i)
+ self._entries[name] = self.inodes.add_entry(ent)
+ return self._entries[name]
+
@use_counter
@check_update
- def __getitem__(self, item):
- if item == '.arvados#project':
+ def __getitem__(self, k):
+ if k == '.arvados#project':
return self.project_object_file
- else:
- return super(ProjectDirectory, self).__getitem__(item)
+ elif self._full_listing or super(ProjectDirectory, self).__contains__(k):
+ return super(ProjectDirectory, self).__getitem__(k)
+ with llfuse.lock_released:
+ contents = self.api.groups().list(filters=[["owner_uuid", "=", self.project_uuid],
+ ["group_class", "=", "project"],
+ ["name", "=", k]],
+ limit=1).execute(num_retries=self.num_retries)["items"]
+ if not contents:
+ contents = self.api.collections().list(filters=[["owner_uuid", "=", self.project_uuid],
+ ["name", "=", k]],
+ limit=1).execute(num_retries=self.num_retries)["items"]
+ if contents:
+ name = sanitize_filename(self.namefn(contents[0]))
+ if name != k:
+ raise KeyError(k)
+ return self._add_entry(contents[0], name)
+
+ # Didn't find item
+ raise KeyError(k)
def __contains__(self, k):
if k == '.arvados#project':
return True
- else:
- return super(ProjectDirectory, self).__contains__(k)
+ try:
+ self[k]
+ return True
+ except KeyError:
+ pass
+ return False
@use_counter
@check_update
# Acually move the entry from source directory to this directory.
del src._entries[name_old]
self._entries[name_new] = ent
- self.inodes.invalidate_entry(src.inode, name_old.encode(self.inodes.encoding))
+ self.inodes.invalidate_entry(src, name_old)
+
+ @use_counter
+ def child_event(self, ev):
+ properties = ev.get("properties") or {}
+ old_attrs = properties.get("old_attributes") or {}
+ new_attrs = properties.get("new_attributes") or {}
+ old_attrs["uuid"] = ev["object_uuid"]
+ new_attrs["uuid"] = ev["object_uuid"]
+ old_name = sanitize_filename(self.namefn(old_attrs))
+ new_name = sanitize_filename(self.namefn(new_attrs))
+
+ # create events will have a new name, but not an old name
+ # delete events will have an old name, but not a new name
+ # update events will have an old and new name, and they may be same or different
+ # if they are the same, an unrelated field changed and there is nothing to do.
+
+ if old_attrs.get("owner_uuid") != self.project_uuid:
+ # Was moved from somewhere else, so don't try to remove entry.
+ old_name = None
+ if ev.get("object_owner_uuid") != self.project_uuid:
+ # Was moved to somewhere else, so don't try to add entry
+ new_name = None
+
+ if old_attrs.get("is_trashed"):
+ # Was previously deleted
+ old_name = None
+ if new_attrs.get("is_trashed"):
+ # Has been deleted
+ new_name = None
+
+ if new_name != old_name:
+ ent = None
+ if old_name in self._entries:
+ ent = self._entries[old_name]
+ del self._entries[old_name]
+ self.inodes.invalidate_entry(self, old_name)
+
+ if new_name:
+ if ent is not None:
+ self._entries[new_name] = ent
+ else:
+ self._add_entry(new_attrs, new_name)
+ elif ent is not None:
+ self.inodes.del_entry(ent)
class SharedDirectory(Directory):
self.current_user = api.users().current().execute(num_retries=num_retries)
self._poll = True
self._poll_time = poll_time
+ self._updating_lock = threading.Lock()
@use_counter
def update(self):
- with llfuse.lock_released:
- all_projects = arvados.util.list_all(
- self.api.groups().list, self.num_retries,
- filters=[['group_class','=','project']])
- objects = {}
- for ob in all_projects:
- objects[ob['uuid']] = ob
-
- roots = []
- root_owners = {}
- for ob in all_projects:
- if ob['owner_uuid'] != self.current_user['uuid'] and ob['owner_uuid'] not in objects:
- roots.append(ob)
- root_owners[ob['owner_uuid']] = True
-
- lusers = arvados.util.list_all(
- self.api.users().list, self.num_retries,
- filters=[['uuid','in', list(root_owners)]])
- lgroups = arvados.util.list_all(
- self.api.groups().list, self.num_retries,
- filters=[['uuid','in', list(root_owners)]])
-
- users = {}
- groups = {}
-
- for l in lusers:
- objects[l["uuid"]] = l
- for l in lgroups:
- objects[l["uuid"]] = l
-
- contents = {}
- for r in root_owners:
- if r in objects:
- obr = objects[r]
- if obr.get("name"):
- contents[obr["name"]] = obr
- #elif obr.get("username"):
- # contents[obr["username"]] = obr
- elif "first_name" in obr:
- contents[u"{} {}".format(obr["first_name"], obr["last_name"])] = obr
-
-
- for r in roots:
- if r['owner_uuid'] not in objects:
- contents[r['name']] = r
-
- # end with llfuse.lock_released, re-acquire lock
-
try:
+ with llfuse.lock_released:
+ self._updating_lock.acquire()
+ if not self.stale():
+ return
+
+ all_projects = arvados.util.list_all(
+ self.api.groups().list, self.num_retries,
+ filters=[['group_class','=','project']],
+ select=["uuid", "owner_uuid"])
+ objects = {}
+ for ob in all_projects:
+ objects[ob['uuid']] = ob
+
+ roots = []
+ root_owners = set()
+ current_uuid = self.current_user['uuid']
+ for ob in all_projects:
+ if ob['owner_uuid'] != current_uuid and ob['owner_uuid'] not in objects:
+ roots.append(ob['uuid'])
+ root_owners.add(ob['owner_uuid'])
+
+ lusers = arvados.util.list_all(
+ self.api.users().list, self.num_retries,
+ filters=[['uuid','in', list(root_owners)]])
+ lgroups = arvados.util.list_all(
+ self.api.groups().list, self.num_retries,
+ filters=[['uuid','in', list(root_owners)+roots]])
+
+ for l in lusers:
+ objects[l["uuid"]] = l
+ for l in lgroups:
+ objects[l["uuid"]] = l
+
+ contents = {}
+ for r in root_owners:
+ if r in objects:
+ obr = objects[r]
+ if obr.get("name"):
+ contents[obr["name"]] = obr
+ #elif obr.get("username"):
+ # contents[obr["username"]] = obr
+ elif "first_name" in obr:
+ contents[u"{} {}".format(obr["first_name"], obr["last_name"])] = obr
+
+ for r in roots:
+ if r in objects:
+ obr = objects[r]
+ if obr['owner_uuid'] not in objects:
+ contents[obr["name"]] = obr
+
+ # end with llfuse.lock_released, re-acquire lock
+
self.merge(contents.items(),
lambda i: i[0],
lambda a, i: a.uuid() == i[1]['uuid'],
lambda i: ProjectDirectory(self.inode, self.inodes, self.api, self.num_retries, i[1], poll=self._poll, poll_time=self._poll_time))
except Exception:
- _logger.exception()
+ _logger.exception("arv-mount shared dir error")
+ finally:
+ self._updating_lock.release()
def want_event_subscribe(self):
return True