def mount(self, account):
mount_path = os.path.join(self.mount_path, account)
export = self.get_export_from_account_id(account)
pid_dir = "/var/lib/glusterd/vols/%s/run/" %export
pid_file = os.path.join(pid_dir, 'swift.pid');
if not os.path.exists(pid_dir):
mkdirs(pid_dir)
fd = os.open(pid_file, os.O_CREAT|os.O_RDWR)
with os.fdopen(fd, 'r+b') as f:
try:
fcntl.lockf(f, fcntl.LOCK_EX|fcntl.LOCK_NB)
except:
ex = sys.exc_info()[1]
if isinstance(ex, IOError) and ex.errno in (EACCES, EAGAIN):
# This means that some other process is mounting the
# filesystem, so wait for the mount process to complete
return self.busy_wait(mount_path)
mnt_cmd = 'mount -t glusterfs %s:%s %s' % (self.mount_ip, export, \
mount_path)
if os.system(mnt_cmd) or not self.busy_wait(mount_path):
raise Exception('Mount failed %s: %s' % (self.name, mnt_cmd))
return False
return True
def mount(self, account):
mount_path = os.path.join(self.mount_path, account)
export = self.get_export_from_account_id(account)
pid_dir = "/var/lib/glusterd/vols/%s/run/" % export
pid_file = os.path.join(pid_dir, 'swift.pid')
if not os.path.exists(pid_dir):
mkdirs(pid_dir)
fd = os.open(pid_file, os.O_CREAT | os.O_RDWR)
with os.fdopen(fd, 'r+b') as f:
try:
fcntl.lockf(f, fcntl.LOCK_EX | fcntl.LOCK_NB)
except:
ex = sys.exc_info()[1]
if isinstance(ex, IOError) and ex.errno in (EACCES, EAGAIN):
# This means that some other process is mounting the
# filesystem, so wait for the mount process to complete
return self.busy_wait(mount_path)
mnt_cmd = 'mount -t glusterfs %s:%s %s' % (self.mount_ip, export, \
mount_path)
if os.system(mnt_cmd) or not self.busy_wait(mount_path):
raise Exception('Mount failed %s: %s' % (self.name, mnt_cmd))
return False
return True
def create_dir_object(self, dir_path):
# TODO: if object already exists???
if os.path.exists(dir_path) and not os.path.isdir(dir_path):
self.logger.error("Deleting file %s", dir_path)
do_unlink(dir_path)
# If dir aleady exist just override metadata.
mkdirs(dir_path)
do_chown(dir_path, self.uid, self.gid)
create_object_metadata(dir_path)
return True
def create_dir_object(self, dir_path):
#TODO: if object already exists???
if os.path.exists(dir_path) and not os.path.isdir(dir_path):
self.logger.error("Deleting file %s", dir_path)
do_unlink(dir_path)
#If dir aleady exist just override metadata.
mkdirs(dir_path)
do_chown(dir_path, self.uid, self.gid)
create_object_metadata(dir_path)
return True
def put(self, metadata):
"""
Create and write metatdata to directory/container.
:param metadata: Metadata to write.
"""
if not self.dir_exists:
mkdirs(self.datadir)
os.chown(self.datadir, self.uid, self.gid)
write_metadata(self.datadir, metadata)
self.metadata = metadata
self.dir_exists = True
def put(self, metadata):
"""
Create and write metatdata to directory/container.
:param metadata: Metadata to write.
"""
if not self.dir_exists:
mkdirs(self.datadir)
os.chown(self.datadir, self.uid, self.gid)
write_metadata(self.datadir, metadata)
self.metadata = metadata
self.dir_exists = True
def mkstemp(self):
"""Contextmanager to make a temporary file."""
if not os.path.exists(self.tmpdir):
mkdirs(self.tmpdir)
fd, tmppath = mkstemp(dir=self.tmpdir)
try:
yield fd, tmppath
finally:
try:
os.close(fd)
except OSError:
pass
try:
os.unlink(tmppath)
except OSError:
pass
def mkstemp(self):
"""Contextmanager to make a temporary file."""
if not os.path.exists(self.tmpdir):
mkdirs(self.tmpdir)
fd, tmppath = mkstemp(dir=self.tmpdir)
try:
yield fd, tmppath
finally:
try:
os.close(fd)
except OSError:
pass
try:
os.unlink(tmppath)
except OSError:
pass
