def resize_fs(device_path):
"""Resize the filesystem on the specified device"""
VolumeHelper._check_device_exists(device_path)
try:
utils.execute("sudo", "resize2fs", device_path)
except ProcessExecutionError as err:
LOG.error(err)
raise GuestError("Error resizing the filesystem: %s"
% device_path)
def resize_fs(self):
"""Resize the filesystem on the specified device"""
self._check_device_exists()
try:
utils.execute("sudo", "resize2fs", self.device_path)
except ProcessExecutionError as err:
LOG.error(err)
raise GuestError("Error resizing the filesystem: %s" %
self.device_path)
def migrate_data(device_path, mysql_base):
""" Synchronize the data from the mysql directory to the new volume """
utils.execute("sudo", "mkdir", "-p", TMP_MOUNT_POINT)
VolumeHelper.mount(device_path, TMP_MOUNT_POINT)
if not mysql_base[-1] == '/':
mysql_base = "%s/" % mysql_base
utils.execute("sudo", "rsync", "--safe-links", "--perms",
"--recursive", "--owner", "--group", "--xattrs",
"--sparse", mysql_base, TMP_MOUNT_POINT)
VolumeHelper.unmount(device_path)
def migrate_data(self, mysql_base):
""" Synchronize the data from the mysql directory to the new volume """
# Use sudo to have access to this spot.
utils.execute("sudo", "mkdir", "-p", TMP_MOUNT_POINT)
self._tmp_mount(TMP_MOUNT_POINT)
if not mysql_base[-1] == '/':
mysql_base = "%s/" % mysql_base
utils.execute("sudo", "rsync", "--safe-links", "--perms",
"--recursive", "--owner", "--group", "--xattrs",
"--sparse", mysql_base, TMP_MOUNT_POINT)
self.unmount()
def migrate_data(self, mysql_base):
""" Synchronize the data from the mysql directory to the new volume """
# Use sudo to have access to this spot.
utils.execute("sudo", "mkdir", "-p", TMP_MOUNT_POINT)
self._tmp_mount(TMP_MOUNT_POINT)
if not mysql_base[-1] == '/':
mysql_base = "%s/" % mysql_base
utils.execute("sudo", "rsync", "--safe-links", "--perms",
"--recursive", "--owner", "--group", "--xattrs",
"--sparse", mysql_base, TMP_MOUNT_POINT)
self.unmount()
def write_to_fstab(self):
fstab_line = ("%s\t%s\t%s\t%s\t0\t0" %
(self.device_path, self.mount_point, self.volume_fstype,
self.mount_options))
LOG.debug("Writing new line to fstab:%s" % fstab_line)
utils.execute("sudo", "cp", "/etc/fstab", "/etc/fstab.orig")
utils.execute("sudo", "cp", "/etc/fstab", "/tmp/newfstab")
utils.execute("sudo", "chmod", "666", "/tmp/newfstab")
with open("/tmp/newfstab", 'a') as new_fstab:
new_fstab.write("\n" + fstab_line)
utils.execute("sudo", "chmod", "640", "/tmp/newfstab")
utils.execute("sudo", "mv", "/tmp/newfstab", "/etc/fstab")
def write_to_fstab(self):
fstab_line = ("%s\t%s\t%s\t%s\t0\t0" %
(self.device_path, self.mount_point, self.volume_fstype,
self.mount_options))
LOG.debug("Writing new line to fstab:%s" % fstab_line)
utils.execute("sudo", "cp", "/etc/fstab", "/etc/fstab.orig")
utils.execute("sudo", "cp", "/etc/fstab", "/tmp/newfstab")
utils.execute("sudo", "chmod", "666", "/tmp/newfstab")
with open("/tmp/newfstab", 'a') as new_fstab:
new_fstab.write("\n" + fstab_line)
utils.execute("sudo", "chmod", "640", "/tmp/newfstab")
utils.execute("sudo", "mv", "/tmp/newfstab", "/etc/fstab")
def _check_device_exists(device_path):
"""Check that the device path exists.
Verify that the device path has actually been created and can report
it's size, only then can it be available for formatting, retry
num_tries to account for the time lag.
"""
try:
num_tries = CONFIG.get('num_tries', 3)
utils.execute('sudo', 'blockdev', '--getsize64', device_path,
attempts=num_tries)
except ProcessExecutionError:
raise GuestError("InvalidDevicePath(path=%s)" % device_path)
def pkg_install(self, package_name, time_out):
"""Installs a package."""
try:
utils.execute("apt-get", "update", run_as_root=True,
root_helper="sudo")
except ProcessExecutionError as e:
LOG.error(_("Error updating the apt sources"))
result = self._install(package_name, time_out)
if result != OK:
if result == RUN_DPKG_FIRST:
self._fix(time_out)
result = self._install(package_name, time_out)
if result != OK:
raise PkgPackageStateError("Package %s is in a bad state."
% package_name)
def _check_device_exists(self):
"""Check that the device path exists.
Verify that the device path has actually been created and can report
it's size, only then can it be available for formatting, retry
num_tries to account for the time lag.
"""
try:
num_tries = CONFIG.get('num_tries', 3)
utils.execute('sudo',
'blockdev',
'--getsize64',
self.device_path,
attempts=num_tries)
except ProcessExecutionError:
raise GuestError("InvalidDevicePath(path=%s)" % self.device_path)
def pkg_install(package_name, time_out):
"""Installs a package."""
try:
utils.execute("apt-get",
"update",
run_as_root=True,
root_helper="sudo")
except ProcessExecutionError as e:
LOG.error(_("Error updating the apt sources"))
result = _install(package_name, time_out)
if result != OK:
if result == RUN_DPKG_FIRST:
_fix(time_out)
result = _install(package_name, time_out)
if result != OK:
raise PkgPackageStateError("Package %s is in a bad state." %
package_name)
def load_mysqld_options():
try:
out, err = utils.execute("/usr/sbin/mysqld", "--print-defaults",
run_as_root=True)
arglist = re.split("\n", out)[1].split()
args = {}
for item in arglist:
if "=" in item:
key, value = item.split("=")
args[key.lstrip("--")] = value
else:
args[item.lstrip("--")] = None
return args
except ProcessExecutionError as e:
return None
def load_mysqld_options():
try:
out, err = utils.execute("/usr/sbin/mysqld",
"--print-defaults",
run_as_root=True)
arglist = re.split("\n", out)[1].split()
args = {}
for item in arglist:
if "=" in item:
key, value = item.split("=")
args[key.lstrip("--")] = value
else:
args[item.lstrip("--")] = None
return args
except ProcessExecutionError as e:
return None
def _run_prepare(self):
if hasattr(self, 'prepare_cmd'):
LOG.info("Running innobackupex prepare...")
self.prep_retcode = utils.execute(self.prepare_cmd,
shell=True)
LOG.info("Innobackupex prepare finished successfully")
def _run_prepare(self):
if hasattr(self, 'prepare_cmd'):
LOG.info("Running innobackupex prepare...")
self.prep_retcode = utils.execute(self.prepare_cmd, shell=True)
LOG.info("Innobackupex prepare finished successfully")
