def mountMaster(self):
"""
Mount the master metadata file system. Should be called only by SPM.
"""
lvm.activateLVs(self.sdUUID, MASTERLV)
masterDir = os.path.join(self.domaindir, sd.MASTER_FS_DIR)
fileUtils.createdir(masterDir)
masterfsdev = lvm.lvPath(self.sdUUID, MASTERLV)
cmd = [constants.EXT_FSCK, "-p", masterfsdev]
(rc, out, err) = misc.execCmd(cmd,
sudo=True,
deathSignal=signal.SIGKILL)
# fsck exit codes
# 0 - No errors
# 1 - File system errors corrected
# 2 - File system errors corrected, system should
# be rebooted
# 4 - File system errors left uncorrected
# 8 - Operational error
# 16 - Usage or syntax error
# 32 - E2fsck canceled by user request
# 128 - Shared library error
if rc == 1 or rc == 2:
# rc is a number
self.log.info("fsck corrected fs errors (%s)", rc)
if rc >= 4:
raise se.BlockStorageDomainMasterFSCKError(masterfsdev, rc)
# TODO: Remove when upgrade is only from a version which creates ext3
# Try to add a journal - due to unfortunate circumstances we exposed
# to the public the code that created ext2 file system instead of ext3.
# In order to make up for it we are trying to add journal here, just
# to be sure (and we have fixed the file system creation).
# If there is a journal already tune2fs will do nothing, indicating
# this condition only with exit code. However, we do not really care.
cmd = [constants.EXT_TUNE2FS, "-j", masterfsdev]
misc.execCmd(cmd, sudo=True, deathSignal=signal.SIGKILL)
masterMount = mount.Mount(masterfsdev, masterDir)
try:
masterMount.mount(vfstype=mount.VFS_EXT3)
except mount.MountError as ex:
rc, out = ex
raise se.BlockStorageDomainMasterMountError(masterfsdev, rc, out)
cmd = [
constants.EXT_CHOWN,
"%s:%s" % (constants.METADATA_USER, constants.METADATA_GROUP),
masterDir
]
(rc, out, err) = misc.execCmd(cmd, sudo=True)
if rc != 0:
self.log.error("failed to chown %s", masterDir)
def mountMaster(self):
"""
Mount the master metadata file system. Should be called only by SPM.
"""
lvm.activateLVs(self.sdUUID, MASTERLV)
masterDir = os.path.join(self.domaindir, sd.MASTER_FS_DIR)
fileUtils.createdir(masterDir)
masterfsdev = lvm.lvPath(self.sdUUID, MASTERLV)
cmd = [constants.EXT_FSCK, "-p", masterfsdev]
(rc, out, err) = misc.execCmd(cmd)
# fsck exit codes
# 0 - No errors
# 1 - File system errors corrected
# 2 - File system errors corrected, system should
# be rebooted
# 4 - File system errors left uncorrected
# 8 - Operational error
# 16 - Usage or syntax error
# 32 - E2fsck canceled by user request
# 128 - Shared library error
if rc == 1 or rc == 2:
# rc is a number
self.log.info("fsck corrected fs errors (%s)", rc)
if rc >= 4:
raise se.BlockStorageDomainMasterFSCKError(masterfsdev, rc)
# TODO: Remove when upgrade is only from a version which creates ext3
# Try to add a journal - due to unfortunate circumstances we exposed
# to the public the code that created ext2 file system instead of ext3.
# In order to make up for it we are trying to add journal here, just
# to be sure (and we have fixed the file system creation).
# If there is a journal already tune2fs will do nothing, indicating this
# condition only with exit code. However, we do not really care.
cmd = [constants.EXT_TUNE2FS, "-j", masterfsdev]
misc.execCmd(cmd)
rc = fileUtils.mount(masterfsdev,
masterDir,
mountType=fileUtils.FSTYPE_EXT3)
# mount exit codes
# mount has the following return codes (the bits can be ORed):
# 0 success
# 1 incorrect invocation or permissions
# 2 system error (out of memory, cannot fork, no more loop devices)
# 4 internal mount bug or missing nfs support in mount
# 8 user interrupt
# 16 problems writing or locking /etc/mtab
# 32 mount failure
# 64 some mount succeeded
if rc != 0:
raise se.BlockStorageDomainMasterMountError(masterfsdev, rc, out)
cmd = [
constants.EXT_CHOWN,
"%s:%s" % (constants.METADATA_USER, constants.METADATA_GROUP),
masterDir
]
(rc, out, err) = misc.execCmd(cmd)
if rc != 0:
self.log.error("failed to chown %s", masterDir)