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#!/usr/bin/python
# Copyright (C) 2011 Gluster, Inc. <http://www.gluster.com>
# This file is part of Gluster Management Gateway (GlusterMG).
#
# GlusterMG is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published
# by the Free Software Foundation; either version 3 of the License,
# or (at your option) any later version.
#
# GlusterMG is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see
# <http://www.gnu.org/licenses/>.
#
import os
import sys
p1 = os.path.abspath(os.path.dirname(sys.argv[0]))
p2 = "%s/common" % os.path.dirname(p1)
if not p1 in sys.path:
sys.path.append(p1)
if not p2 in sys.path:
sys.path.append(p2)
import Utils
import FsTabUtils
import DiskUtils
def writeStatus(deviceFormatStatusFile, message):
try:
fp = open(deviceFormatStatusFile, "w")
fp.write(message)
fp.close()
except IOError, e:
Utils.log("Failed to update log file %s: %s" % (deviceFormatStatusFile, str(e)))
return False
return True
def main():
if len(sys.argv) != 4:
sys.stderr.write("usage: %s FSTYPE MOUNT_POINT DEVICE_NAME\n" % os.path.basename(sys.argv[0]))
sys.exit(-1)
fsType = sys.argv[1]
mountPoint = sys.argv[2]
device = DiskUtils.getDevice(sys.argv[3])
deviceFormatLockFile = Utils.getDeviceFormatLockFile(device)
deviceFormatStatusFile = Utils.getDeviceFormatStatusFile(device)
deviceFormatOutputFile = Utils.getDeviceFormatOutputFile(device)
if os.path.exists(deviceFormatStatusFile):
Utils.log("device format status file %s exists" % deviceFormatStatusFile)
sys.exit(1)
if os.path.exists(deviceFormatLockFile):
Utils.log("device format lock file %s exists" % deviceFormatLockFile)
sys.exit(2)
try:
fp = open(deviceFormatLockFile, "w")
fp.close()
except OSError, e:
Utils.log("failed to create lock file %s: %s" % (deviceFormatLockFile, str(e)))
writeStatus(deviceFormatStatusFile, "Lock file creation failed\n")
sys.exit(-2)
try:
fptr = open(deviceFormatOutputFile, 'w')
except IOError, e:
Utils.log("failed to create output file %s" % deviceFormatOutputFile)
writeStatus(deviceFormatStatusFile, "Output file creation failed\n")
Utils.removeFile(deviceFormatLockFile)
sys.exit(-3)
if fsType in ['ext3', 'ext4', 'ext4dev']:
command = "/sbin/mkfs.%s -F -I 512 %s" % (fsType, device)
elif fsType == "xfs":
command = "/sbin/mkfs.%s -f -i size=512 %s" % (fsType, device)
else:
command = "/sbin/mkfs.%s %s" % (fsType, device)
status = Utils.runCommand(command, output=True, root=True)
if status["Status"] != 0:
Utils.removeFile(deviceFormatOutputFile)
Utils.removeFile(deviceFormatLockFile)
writeStatus(deviceFormatStatusFile, "Device format failed\n")
sys.exit(3)
if Utils.runCommand("udevadm trigger") != 0:
Utils.log("failed running udevadm trigger")
if Utils.runCommand("/usr/bin/lshal") != 0:
Utils.log("failed running /usr/bin/lshal")
deviceUuid = DiskUtils.getUuidByDiskPartition(device)
if not deviceUuid:
Utils.removeFile(deviceFormatOutputFile)
Utils.removeFile(deviceFormatLockFile)
Utils.log("UUID not found after device %s formatted" % device)
writeStatus(deviceFormatStatusFile, "UUID not found after device %s formatted\n" % sys.argv[3])
sys.exit(4)
if DiskUtils.isDataDiskPartitionFormatted(device):
Utils.removeFile(deviceFormatOutputFile)
Utils.removeFile(deviceFormatLockFile)
Utils.log("UUID device %s already has an entry in fstab" % device)
writeStatus(deviceFormatStatusFile, "UUID device %s already has an entry in fstab\n" % sys.argv[3])
sys.exit(5)
newFsTabEntry = {"Device" : "UUID=%s" % deviceUuid,
"MountPoint" : mountPoint,
"FsType" : fsType,
"Options" : "defaults",
"DumpOption" : "0",
"fsckOrder" : "2"}
if fsType in ['ext3', 'ext4', 'ext4dev']:
newFsTabEntry["Options"] = "defaults,user_xattr"
if not FsTabUtils.addFsTabEntry(newFsTabEntry):
Utils.removeFile(deviceFormatOutputFile)
Utils.removeFile(deviceFormatLockFile)
writeStatus(deviceFormatStatusFile, "failed to update fstab")
sys.exit(6)
status = Utils.runCommand("mount %s" % mountPoint, output=True, root=True)
if status["Status"] != 0:
Utils.removeFile(deviceFormatOutputFile)
Utils.removeFile(deviceFormatLockFile)
Utils.log("Mounting device %s on %s failed" % (device, mountPoint))
writeStatus(deviceFormatStatusFile, "Mounting device %s on %s failed\n" % (sys.argv[3], mountPoint))
sys.exit(7)
writeStatus(deviceFormatStatusFile, "Completed\n")
Utils.removeFile(deviceFormatOutputFile)
Utils.removeFile(deviceFormatLockFile)
sys.exit(0)
if __name__ == "__main__":
main()
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