summaryrefslogtreecommitdiffstats
path: root/ufo/gluster/swift/common/Glusterfs.py
diff options
context:
space:
mode:
Diffstat (limited to 'ufo/gluster/swift/common/Glusterfs.py')
-rw-r--r--ufo/gluster/swift/common/Glusterfs.py144
1 files changed, 0 insertions, 144 deletions
diff --git a/ufo/gluster/swift/common/Glusterfs.py b/ufo/gluster/swift/common/Glusterfs.py
deleted file mode 100644
index a0c81269cdc..00000000000
--- a/ufo/gluster/swift/common/Glusterfs.py
+++ /dev/null
@@ -1,144 +0,0 @@
-# Copyright (c) 2012 Red Hat, Inc.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
-# implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-import logging
-import os, sys, fcntl, time, errno
-from ConfigParser import ConfigParser, NoSectionError, NoOptionError
-from swift.common.utils import TRUE_VALUES, search_tree
-from gluster.swift.common.fs_utils import mkdirs
-
-#
-# Read the fs.conf file once at startup (module load)
-#
-_fs_conf = ConfigParser()
-MOUNT_IP = 'localhost'
-OBJECT_ONLY = False
-RUN_DIR='/var/run/swift'
-SWIFT_DIR = '/etc/swift'
-_do_getsize = False
-if _fs_conf.read(os.path.join('/etc/swift', 'fs.conf')):
- try:
- MOUNT_IP = _fs_conf.get('DEFAULT', 'mount_ip', 'localhost')
- except (NoSectionError, NoOptionError):
- pass
- try:
- OBJECT_ONLY = _fs_conf.get('DEFAULT', 'object_only', "no") in TRUE_VALUES
- except (NoSectionError, NoOptionError):
- pass
- try:
- RUN_DIR = _fs_conf.get('DEFAULT', 'run_dir', '/var/run/swift')
- except (NoSectionError, NoOptionError):
- pass
-
- try:
- _do_getsize = _fs_conf.get('DEFAULT', 'accurate_size_in_listing', \
- "no") in TRUE_VALUES
- except (NoSectionError, NoOptionError):
- pass
-
-NAME = 'glusterfs'
-
-
-def _busy_wait(full_mount_path):
- # Iterate for definite number of time over a given
- # interval for successful mount
- for i in range(0, 5):
- if os.path.ismount(os.path.join(full_mount_path)):
- return True
- time.sleep(2)
- logging.error('Busy wait for mount timed out for mount %s', full_mount_path)
- return False
-
-def mount(root, drive):
- # FIXME: Possible thundering herd problem here
-
- el = _get_export_list()
- for export in el:
- if drive == export:
- break
- else:
- logging.error('No export found in %r matching drive, %s', el, drive)
- return False
-
- # NOTE: root is typically the default value of /mnt/gluster-object
- full_mount_path = os.path.join(root, drive)
- if not os.path.isdir(full_mount_path):
- mkdirs(full_mount_path)
-
- lck_file = os.path.join(RUN_DIR, '%s.lock' %drive);
-
- if not os.path.exists(RUN_DIR):
- mkdirs(RUN_DIR)
-
- fd = os.open(lck_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 IOError as ex:
- if ex.errno in (errno.EACCES, errno.EAGAIN):
- # This means that some other process is mounting the
- # filesystem, so wait for the mount process to complete
- return _busy_wait(full_mount_path)
- else:
- raise ex
- mnt_cmd = 'mount -t glusterfs %s:%s %s' % (MOUNT_IP, export, \
- full_mount_path)
- if os.system(mnt_cmd) or not _busy_wait(full_mount_path):
- logging.error('Mount failed %s: %s', NAME, mnt_cmd)
- return False
- return True
-
-def unmount(full_mount_path):
- # FIXME: Possible thundering herd problem here
-
- umnt_cmd = 'umount %s 2>> /dev/null' % full_mount_path
- if os.system(umnt_cmd):
- logging.error('Unable to unmount %s %s' % (full_mount_path, NAME))
-
-def _get_export_list():
- cmnd = 'gluster --remote-host=%s volume info' % MOUNT_IP
-
- export_list = []
-
- if os.system(cmnd + ' >> /dev/null'):
- logging.error('Getting volume info failed for %s', NAME)
- else:
- fp = os.popen(cmnd)
- while True:
- item = fp.readline()
- if not item:
- break
- item = item.strip('\n').strip(' ')
- if item.lower().startswith('volume name:'):
- export_list.append(item.split(':')[1].strip(' '))
-
- return export_list
-
-def get_mnt_point(vol_name, conf_dir=SWIFT_DIR, conf_file="object-server*"):
- """Read the object-server's configuration file and return
- the device value"""
-
- mnt_dir = ''
- conf_files = search_tree(conf_dir, conf_file, '.conf')
- if not conf_files:
- raise Exception("Config file not found")
-
- _conf = ConfigParser()
- if _conf.read(conf_files[0]):
- try:
- mnt_dir = _conf.get('DEFAULT', 'devices', '')
- except (NoSectionError, NoOptionError):
- raise
- return os.path.join(mnt_dir, vol_name)