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-rw-r--r--swift/1.4.8/plugins/Glusterfs.py104
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diff --git a/swift/1.4.8/plugins/Glusterfs.py b/swift/1.4.8/plugins/Glusterfs.py
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+# 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
+from ConfigParser import ConfigParser
+from swift.common.utils import TRUE_VALUES
+from hashlib import md5
+
+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
+
+ def mount(self, account):
+ export = self.get_export_from_account_id(account)
+ mount_path = os.path.join(self.mount_path, account)
+ mnt_cmd = 'mount -t glusterfs %s:%s %s' % (self.mount_ip, export, \
+ mount_path)
+ if os.system(mnt_cmd) or \
+ not os.path.exists(os.path.join(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
+ print 'Remote'
+
+ 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