def inc_backup(self):
# Taking Incremental backup
recent_bck = self.recent_full_backup_file()
recent_inc = self.recent_inc_backup_file()
check_env_obj = CheckEnv()
product_type = check_env_obj.check_mysql_product()
# Creating time-stamped incremental backup directory
inc_backup_dir = self.create_backup_directory(self.inc_dir)
# Checking if there is any incremental backup
if recent_inc == 0: # If there is no incremental backup
# If you have a question why we check whether MariaDB or MySQL installed?
# See BUG -> https://bugs.launchpad.net/percona-xtrabackup/+bug/1444541
if product_type == 2:
# Taking incremental backup with MariaDB. (--incremental-force-scan option will be added for BUG workaround)
args = "%s --defaults-file=%s --user=%s --password='******' " \
"--incremental-force-scan --incremental %s --incremental-basedir %s/%s" % \
(self.backup_tool,
self.mycnf,
self.mysql_user,
self.mysql_password,
self.inc_dir,
self.full_dir,
recent_bck)
elif product_type == 3:
# Taking incremental backup with MySQL.
args = "%s --defaults-file=%s --user=%s --password='******' " \
"--target-dir=%s --incremental-basedir=%s/%s --backup" % \
(self.backup_tool,
self.mycnf,
self.mysql_user,
self.mysql_password,
inc_backup_dir,
self.full_dir,
recent_bck)
if hasattr(self, 'mysql_socket'):
args += " --socket=%s" % (self.mysql_socket)
elif hasattr(self, 'mysql_host') and hasattr(self, 'mysql_port'):
args += " --host=%s" % self.mysql_host
args += " --port=%s" % self.mysql_port
else:
logger.critical(
"Neither mysql_socket nor mysql_host and mysql_port are defined in config!"
)
return False
# Adding compression support for incremental backup
if hasattr(self, 'compress'):
args += " --compress=%s" % (self.compress)
if hasattr(self, 'compress_chunk_size'):
args += " --compress-chunk-size=%s" % (
self.compress_chunk_size)
if hasattr(self, 'compress_threads'):
args += " --compress-threads=%s" % (self.compress_threads)
# Adding encryption support for incremental backup
if hasattr(self, 'encrypt'):
args += " --encrypt=%s" % (self.encrypt)
if hasattr(self, 'encrypt_key'):
args += " --encrypt-key=%s" % (self.encrypt_key)
if hasattr(self, 'encrypt_key_file'):
args += " --encrypt_key_file=%s" % (self.encrypt_key_file)
if hasattr(self, 'encrypt_threads'):
args += " --encrypt-threads=%s" % (self.encrypt_threads)
if hasattr(self, 'encrypt_chunk_size'):
args += " --encrypt-chunk-size=%s" % (self.encrypt_chunk_size)
if 'encrypt' in args:
logger.debug("Applying workaround for LP #1444255")
xbcrypt_command = "%s -d -k %s -a %s -i %s/%s/xtrabackup_checkpoints.xbcrypt " \
"-o %s/%s/xtrabackup_checkpoints" % \
(self.xbcrypt,
self.encrypt_key,
self.encrypt,
self.full_dir,
recent_bck,
self.full_dir,
recent_bck)
logger.debug(
"The following xbcrypt command will be executed %s",
xbcrypt_command)
status, output = subprocess.getstatusoutput(xbcrypt_command)
if status == 0:
logger.debug(output[-27:])
else:
logger.error("XBCRYPT COMMAND FAILED!")
time.sleep(5)
logger.error(output)
return False
logger.debug("The following backup command will be executed %s",
args)
status, output = subprocess.getstatusoutput(args)
if status == 0:
logger.debug(output[-27:])
return True
else:
logger.error("INCREMENT BACKUP FAILED!")
time.sleep(5)
logger.error(output)
return False
else: # If there is already existing incremental backup
if product_type == 2:
# Taking incremental backup with MariaDB. (--incremental-force-scan option will be added for BUG workaround)
args = "%s --defaults-file=%s --user=%s --password='******' " \
"--incremental-force-scan --incremental %s --incremental-basedir %s/%s" % \
(self.backup_tool,
self.mycnf,
self.mysql_user,
self.mysql_password,
self.inc_dir,
self.inc_dir,
recent_inc)
elif product_type == 3:
args = "%s --defaults-file=%s --user=%s --password='******' " \
"--target-dir=%s --incremental-basedir=%s/%s --backup" % \
(self.backup_tool,
self.mycnf,
self.mysql_user,
self.mysql_password,
inc_backup_dir,
self.inc_dir,
recent_inc)
if hasattr(self, 'mysql_socket'):
args += " --socket=%s" % (self.mysql_socket)
elif hasattr(self, 'mysql_host') and hasattr(self, 'mysql_port'):
args += " --host=%s" % self.mysql_host
args += " --port=%s" % self.mysql_port
else:
logger.critical(
"Neither mysql_socket nor mysql_host and mysql_port are defined in config!"
)
return False
# Adding compression support for incremental backup
if hasattr(self, 'compress'):
args += " --compress=%s" % (self.compress)
if hasattr(self, 'compress_chunk_size'):
args += " --compress_chunk_size=%s" % (
self.compress_chunk_size)
if hasattr(self, 'compress-threads'):
args += " --compress_threads=%s" % (self.compress_threads)
# Adding encryption support for incremental backup
if hasattr(self, 'encrypt'):
args += " --encrypt=%s" % (self.encrypt)
if hasattr(self, 'encrypt_key'):
args += " --encrypt-key=%s" % (self.encrypt_key)
if hasattr(self, 'encrypt_key_file'):
args += " --encrypt-key-file=%s" % (self.encrypt_key_file)
if hasattr(self, 'encrypt_threads'):
args += " --encrypt-threads=%s" % (self.encrypt_threads)
if hasattr(self, 'encrypt_chunk_size'):
args += " --encrypt-chunk-size=%s" % (self.encrypt_chunk_size)
if 'encrypt' in args:
logger.debug("Applying workaround for LP #1444255")
xbcrypt_command = "%s -d -k %s -a %s -i %s/%s/xtrabackup_checkpoints.xbcrypt " \
"-o %s/%s/xtrabackup_checkpoints" % \
(self.xbcrypt,
self.encrypt_key,
self.encrypt,
self.inc_dir,
recent_inc,
self.inc_dir,
recent_inc)
logger.debug(
"The following xbcrypt command will be executed %s",
xbcrypt_command)
status, output = subprocess.getstatusoutput(xbcrypt_command)
if status == 0:
logger.debug(output[-27:])
else:
logger.error("XBCRYPT COMMAND FAILED!")
time.sleep(5)
logger.error(output)
return False
logger.debug("The following backup command will be executed %s",
args)
status, output = subprocess.getstatusoutput(args)
if status == 0:
logger.debug(output[-27:])
return True
else:
logger.error("INCREMENT BACKUP FAILED!")
time.sleep(5)
logger.error(output)
return False
def inc_backup(self):
# Taking Incremental backup
recent_bck = self.recent_full_backup_file()
recent_inc = self.recent_inc_backup_file()
check_env_obj = CheckEnv(self.conf)
product_type = check_env_obj.check_mysql_product()
# Creating time-stamped incremental backup directory
inc_backup_dir = self.create_backup_directory(self.inc_dir)
# Checking if there is any incremental backup
if recent_inc == 0: # If there is no incremental backup
# If you have a question why we check whether MariaDB or MySQL installed?
# See BUG ->
# https://bugs.launchpad.net/percona-xtrabackup/+bug/1444541
if product_type == 2:
# Taking incremental backup with MariaDB.
# (--incremental-force-scan option will be added for BUG
# workaround)
args = "%s --defaults-file=%s --user=%s --password='******' " \
"--incremental-force-scan --incremental %s --incremental-basedir %s/%s" % \
(self.backup_tool,
self.mycnf,
self.mysql_user,
self.mysql_password,
self.inc_dir,
self.full_dir,
recent_bck)
elif product_type == 3:
# Taking incremental backup with MySQL.
args = "%s --defaults-file=%s --user=%s --password='******' " \
"--target-dir=%s --incremental-basedir=%s/%s --backup" % \
(self.backup_tool,
self.mycnf,
self.mysql_user,
self.mysql_password,
inc_backup_dir,
self.full_dir,
recent_bck)
if hasattr(self, 'mysql_socket'):
args += " --socket=%s" % (self.mysql_socket)
elif hasattr(self, 'mysql_host') and hasattr(self, 'mysql_port'):
args += " --host=%s" % self.mysql_host
args += " --port=%s" % self.mysql_port
else:
logger.critical(
"Neither mysql_socket nor mysql_host and mysql_port are not defined in config!"
)
return False
# Adding compression support for incremental backup
if hasattr(self, 'compress'):
args += " --compress=%s" % (self.compress)
if hasattr(self, 'compress_chunk_size'):
args += " --compress-chunk-size=%s" % (
self.compress_chunk_size)
if hasattr(self, 'compress_threads'):
args += " --compress-threads=%s" % (self.compress_threads)
# Adding encryption support for incremental backup
if hasattr(self, 'encrypt'):
args += " --encrypt=%s" % (self.encrypt)
if hasattr(self, 'encrypt_key'):
args += " --encrypt-key=%s" % (self.encrypt_key)
if hasattr(self, 'encrypt_key_file'):
args += " --encrypt_key_file=%s" % (self.encrypt_key_file)
if hasattr(self, 'encrypt_threads'):
args += " --encrypt-threads=%s" % (self.encrypt_threads)
if hasattr(self, 'encrypt_chunk_size'):
args += " --encrypt-chunk-size=%s" % (self.encrypt_chunk_size)
# Extract and decrypt streamed full backup prior to executing incremental backup
if hasattr(self, 'stream') \
and hasattr(self, 'encrypt') \
and hasattr(self, 'xbs_decrypt'):
logger.debug(
"Using xbstream to extract and decrypt from full_backup.stream!"
)
xbstream_command = "%s %s --decrypt=%s --encrypt-key=%s --encrypt-threads=%s " \
"< %s/%s/full_backup.stream -C %s/%s" % (
self.xbstream,
self.xbstream_options,
self.decrypt,
self.encrypt_key,
self.encrypt_threads,
self.full_dir,
recent_bck,
self.full_dir,
recent_bck
)
logger.debug(
"The following xbstream command will be executed %s",
xbstream_command)
if self.dry == 0 and isfile(("%s/%s/full_backup.stream") %
(self.full_dir, recent_bck)):
status, output = subprocess.getstatusoutput(
xbstream_command)
if status == 0:
logger.debug("XBSTREAM command succeeded.")
else:
logger.error("XBSTREAM COMMAND FAILED!")
time.sleep(5)
logger.error(output)
return False
# Extract streamed full backup prior to executing incremental backup
elif hasattr(self, 'stream'):
logger.debug(
"Using xbstream to extract from full_backup.stream!")
xbstream_command = "%s %s < %s/%s/full_backup.stream -C %s/%s" % (
self.xbstream, self.xbstream_options, self.full_dir,
recent_bck, self.full_dir, recent_bck)
logger.debug(
"The following xbstream command will be executed %s",
xbstream_command)
if self.dry == 0 and isfile(("%s/%s/full_backup.stream") %
(self.full_dir, recent_bck)):
status, output = subprocess.getstatusoutput(
xbstream_command)
if status == 0:
logger.debug("XBSTREAM command succeeded.")
else:
logger.error("XBSTREAM COMMAND FAILED!")
time.sleep(5)
logger.error(output)
return False
elif 'encrypt' in args:
logger.debug("Applying workaround for LP #1444255")
xbcrypt_command = "%s -d -k %s -a %s -i %s/%s/xtrabackup_checkpoints.xbcrypt " \
"-o %s/%s/xtrabackup_checkpoints" % \
(self.xbcrypt,
self.encrypt_key,
self.encrypt,
self.full_dir,
recent_bck,
self.full_dir,
recent_bck)
logger.debug(
"The following xbcrypt command will be executed %s",
xbcrypt_command)
if self.dry == 0:
status, output = subprocess.getstatusoutput(
xbcrypt_command)
if status == 0:
logger.debug(output[-27:])
else:
logger.error("XBCRYPT COMMAND FAILED!")
time.sleep(5)
logger.error(output)
return False
# Checking if extra options were passed:
if hasattr(self, 'xtra_options'):
args += " "
args += self.xtra_options
# Checking if partial recovery list is available
if hasattr(self, 'partial_list'):
args += " "
args += '--databases="%s"' % (self.partial_list)
logger.warning("Partial Backup is enabled!")
# Checking if streaming enabled for backups
if hasattr(self, 'stream'):
args += " "
args += '--stream="%s"' % self.stream
args += " > %s/inc_backup.stream" % inc_backup_dir
logger.warning("Streaming is enabled!")
logger.debug("The following backup command will be executed %s",
args)
if self.dry == 0:
status, output = subprocess.getstatusoutput(args)
if status == 0:
logger.debug(output)
#logger.debug(output[-27:])
return True
else:
logger.error("INCREMENT BACKUP FAILED!")
time.sleep(5)
logger.error(output)
return False
else: # If there is already existing incremental backup
if product_type == 2:
# Taking incremental backup with MariaDB.
# (--incremental-force-scan option will be added for BUG
# workaround)
args = "%s --defaults-file=%s --user=%s --password='******' " \
"--incremental-force-scan --incremental %s --incremental-basedir %s/%s" % \
(self.backup_tool,
self.mycnf,
self.mysql_user,
self.mysql_password,
self.inc_dir,
self.inc_dir,
recent_inc)
elif product_type == 3:
args = "%s --defaults-file=%s --user=%s --password='******' " \
"--target-dir=%s --incremental-basedir=%s/%s --backup" % \
(self.backup_tool,
self.mycnf,
self.mysql_user,
self.mysql_password,
inc_backup_dir,
self.inc_dir,
recent_inc)
if hasattr(self, 'mysql_socket'):
args += " --socket=%s" % (self.mysql_socket)
elif hasattr(self, 'mysql_host') and hasattr(self, 'mysql_port'):
args += " --host=%s" % self.mysql_host
args += " --port=%s" % self.mysql_port
else:
logger.critical(
"Neither mysql_socket nor mysql_host and mysql_port are defined in config!"
)
return False
# Adding compression support for incremental backup
if hasattr(self, 'compress'):
args += " --compress=%s" % (self.compress)
if hasattr(self, 'compress_chunk_size'):
args += " --compress_chunk_size=%s" % (
self.compress_chunk_size)
if hasattr(self, 'compress-threads'):
args += " --compress_threads=%s" % (self.compress_threads)
# Adding encryption support for incremental backup
if hasattr(self, 'encrypt'):
args += " --encrypt=%s" % (self.encrypt)
if hasattr(self, 'encrypt_key'):
args += " --encrypt-key=%s" % (self.encrypt_key)
if hasattr(self, 'encrypt_key_file'):
args += " --encrypt-key-file=%s" % (self.encrypt_key_file)
if hasattr(self, 'encrypt_threads'):
args += " --encrypt-threads=%s" % (self.encrypt_threads)
if hasattr(self, 'encrypt_chunk_size'):
args += " --encrypt-chunk-size=%s" % (self.encrypt_chunk_size)
# Extract and decrypt streamed full backup prior to executing incremental backup
if hasattr(self, 'stream') \
and hasattr(self, 'encrypt') \
and hasattr(self, 'xbs_decrypt'):
logger.debug(
"Using xbstream to extract and decrypt from inc_backup.stream!"
)
xbstream_command = "%s %s --decrypt=%s --encrypt-key=%s --encrypt-threads=%s " \
"< %s/%s/inc_backup.stream -C %s/%s" % (
self.xbstream,
self.xbstream_options,
self.decrypt,
self.encrypt_key,
self.encrypt_threads,
self.inc_dir,
recent_inc,
self.inc_dir,
recent_inc
)
logger.debug(
"The following xbstream command will be executed %s",
xbstream_command)
if self.dry == 0 and isfile(
("%s/%s/inc_backup.stream") % (self.inc_dir, recent_inc)):
status, output = subprocess.getstatusoutput(
xbstream_command)
if status == 0:
logger.debug("XBSTREAM command succeeded.")
else:
logger.error("XBSTREAM COMMAND FAILED!")
time.sleep(5)
logger.error(output)
return False
# Extracting streamed incremental backup prior to executing new incremental backup
elif hasattr(self, 'stream'):
logger.debug(
"Using xbstream to extract from inc_backup.stream!")
xbstream_command = "%s %s < %s/%s/inc_backup.stream -C %s/%s" % (
self.xbstream, self.xbstream_options, self.inc_dir,
recent_inc, self.inc_dir, recent_inc)
logger.debug(
"The following xbstream command will be executed %s",
xbstream_command)
if self.dry == 0 and isfile(
("%s/%s/inc_backup.stream") % (self.full_dir, recent_bck)):
status, output = subprocess.getstatusoutput(
xbstream_command)
if status == 0:
logger.debug("XBSTREAM command succeeded.")
else:
logger.error("XBSTREAM COMMAND FAILED!")
time.sleep(5)
logger.error(output)
return False
elif 'encrypt' in args:
logger.debug("Applying workaround for LP #1444255")
xbcrypt_command = "%s -d -k %s -a %s -i %s/%s/xtrabackup_checkpoints.xbcrypt " \
"-o %s/%s/xtrabackup_checkpoints" % \
(self.xbcrypt,
self.encrypt_key,
self.encrypt,
self.inc_dir,
recent_inc,
self.inc_dir,
recent_inc)
logger.debug(
"The following xbcrypt command will be executed %s",
xbcrypt_command)
if self.dry == 0:
status, output = subprocess.getstatusoutput(
xbcrypt_command)
if status == 0:
logger.debug(output[-27:])
else:
logger.error("XBCRYPT COMMAND FAILED!")
time.sleep(5)
logger.error(output)
return False
# Checking if extra options were passed:
if hasattr(self, 'xtra_options'):
args += " "
args += self.xtra_options
# Checking if partial recovery list is available
if hasattr(self, 'partial_list'):
args += " "
args += '--databases="%s"' % (self.partial_list)
logger.warning("Partial Backup is enabled!")
# Checking if streaming enabled for backups
if hasattr(self, 'stream'):
args += " "
args += '--stream="%s"' % self.stream
args += " > %s/inc_backup.stream" % inc_backup_dir
logger.warning("Streaming is enabled!")
logger.debug("The following backup command will be executed %s",
args)
if self.dry == 0:
status, output = subprocess.getstatusoutput(args)
if status == 0:
logger.debug(output)
#logger.debug(output[-27:])
return True
else:
logger.error("INCREMENT BACKUP FAILED!")
time.sleep(5)
logger.error(output)
return False
