diff options
Diffstat (limited to 'swift/1.4.8/plugins/Glusterfs.py')
| -rw-r--r-- | swift/1.4.8/plugins/Glusterfs.py | 131 |
1 files changed, 0 insertions, 131 deletions
diff --git a/swift/1.4.8/plugins/Glusterfs.py b/swift/1.4.8/plugins/Glusterfs.py deleted file mode 100644 index 5e191e1bd8f..00000000000 --- a/swift/1.4.8/plugins/Glusterfs.py +++ /dev/null @@ -1,131 +0,0 @@ -# Copyright (c) 2011 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, fcntl, time -from ConfigParser import ConfigParser -from swift.common.utils import TRUE_VALUES -from hashlib import md5 -from swift.plugins.utils import mkdirs - -class Glusterfs(object): - def __init__(self): - self.name = 'glusterfs' - self.fs_conf = ConfigParser() - self.fs_conf.read(os.path.join('/etc/swift', 'fs.conf')) - self.mount_path = self.fs_conf.get('DEFAULT', 'mount_path', '/mnt/gluster-object') - self.auth_account = self.fs_conf.get('DEFAULT', 'auth_account', 'auth') - self.mount_ip = self.fs_conf.get('DEFAULT', 'mount_ip', 'localhost') - self.remote_cluster = self.fs_conf.get('DEFAULT', 'remote_cluster', False) in TRUE_VALUES - self.object_only = self.fs_conf.get('DEFAULT', 'object_only', "no") in TRUE_VALUES - - def busy_wait(self, 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(mount_path)): - return True - time.sleep(2) - return False - - 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 unmount(self, mount_path): - umnt_cmd = 'umount %s 2>> /dev/null' % mount_path - if os.system(umnt_cmd): - logging.error('Unable to unmount %s %s' % (mount_path, self.name)) - - def get_export_list_local(self): - export_list = [] - cmnd = 'gluster volume info' - - if os.system(cmnd + ' >> /dev/null'): - raise Exception('Getting volume failed %s', self.name) - return export_list - - 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_export_list_remote(self): - export_list = [] - cmnd = 'ssh %s gluster volume info' % self.mount_ip - - if os.system(cmnd + ' >> /dev/null'): - raise Exception('Getting volume info failed %s, make sure to have \ - passwordless ssh on %s', self.name, self.mount_ip) - return export_list - - 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_export_list(self): - if self.remote_cluster: - return self.get_export_list_remote() - else: - return self.get_export_list_local() - - def get_export_from_account_id(self, account): - if not account: - print 'account is none, returning' - raise AttributeError - - for export in self.get_export_list(): - if account == 'AUTH_' + export: - return export - - raise Exception('No export found %s %s' % (account, self.name)) - return None |
