mirror of
https://github.com/goharbor/harbor.git
synced 2024-11-30 06:03:45 +01:00
233 lines
8.2 KiB
Python
233 lines
8.2 KiB
Python
import abc
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import subprocess
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from optparse import OptionParser
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from shutil import copyfile
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import os
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import sys
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import argparse
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if sys.version_info[:3][0] == 2:
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import ConfigParser as ConfigParser
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import StringIO as StringIO
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if sys.version_info[:3][0] == 3:
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import configparser as ConfigParser
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import io as StringIO
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RC_VALIDATE = 101
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RC_UP = 102
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RC_DOWN = 103
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RC_BACKUP = 104
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RC_RESTORE = 105
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RC_UNNKNOW_TYPE = 106
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RC_GEN = 110
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class DBMigrator():
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def __init__(self, target):
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path = "/harbor-migration/harbor-cfg/harbor.cfg"
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env = ""
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if os.path.exists(path):
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temp_section = "configuration"
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conf = StringIO.StringIO()
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conf.write("[%s]\n" % temp_section)
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conf.write(open(path).read())
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conf.seek(0, os.SEEK_SET)
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rcp = ConfigParser.RawConfigParser()
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rcp.readfp(conf)
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if rcp.get(temp_section, "admiral_url") != "NA":
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env = "WITH_ADMIRAL=true"
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else:
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print("harbor.cfg not found, WITH_ADMIRAL will not be set to true")
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self.target = target
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self.script = env + " ./db/run.sh"
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def backup(self):
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return run_cmd(self.script + " backup") == 0
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def restore(self):
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return run_cmd(self.script + " restore") == 0
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def up(self):
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cmd = self.script + " up"
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if self.target != '':
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cmd = cmd + " " + self.target
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return run_cmd(cmd) == 0
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def validate(self):
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return run_cmd(self.script + " test") == 0
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class CfgMigrator():
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def __init__(self, target, output):
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self.target = target
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self.output = output
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self.cfg_path = "/harbor-migration/harbor-cfg/harbor.cfg"
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self.backup_path = "/harbor-migration/backup"
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self.output_path = "/harbor-migration/output"
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def backup(self):
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try:
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copyfile(self.cfg_path, self.backup_path+"/harbor.cfg")
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print ("Success to backup harbor.cfg.")
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return True
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except Exception, e:
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print ("Back up error: %s" % str(e))
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return False
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def restore(self):
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if not os.path.exists(self.backup_path+"/harbor.cfg"):
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print ("Unable to restore as there is no harbor.cfg")
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return False
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try:
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copyfile(self.backup_path+"/harbor.cfg", self.cfg_path)
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print ("Success to restore harbor.cfg.")
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return True
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except Exception, e:
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print ("Restore error: %s" % str(e))
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return False
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def up(self):
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if not os.path.exists(self.cfg_path):
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print ("Skip cfg up as no harbor.cfg in the path.")
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return True
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if self.output and os.path.isdir(self.output_path):
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cmd = "python ./cfg/run.py --input " + self.cfg_path + " --output " + self.output_path + "/harbor.cfg"
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else:
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print ("The path of the migrated harbor.cfg is not set, the input file will be overwritten.")
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cmd = "python ./cfg/run.py --input " + self.cfg_path
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if self.target != '':
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cmd = cmd + " --target " + self.target
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return run_cmd(cmd) == 0
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def validate(self):
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if not os.path.exists(self.cfg_path):
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print ("Unable to loacte the harbor.cfg, please check.")
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return False
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print ("Success to validate harbor.cfg.")
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return True
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class Parameters(object):
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def __init__(self):
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self.db_user = os.getenv('DB_USR', '')
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self.db_pwd = os.getenv('DB_PWD', '')
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self.skip_confirm = os.getenv('SKIP_CONFIRM', 'n')
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self.output = False
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self.is_migrate_db = True
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self.is_migrate_cfg = True
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self.target_version = ''
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self.action = ''
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self.init_from_input()
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def is_action(self, action):
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if action == "test" or action == "backup" or action == "restore" or action == "up":
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return True
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else:
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return False
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def parse_input(self):
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argv_len = len(sys.argv[1:])
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last_argv = sys.argv[argv_len:][0]
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if not self.is_action(last_argv):
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print ("Fail to parse input: the last parameter should in test:up:restore:backup")
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sys.exit(RC_GEN)
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if last_argv == 'up':
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if self.skip_confirm != 'y':
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if not pass_skip_confirm():
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sys.exit(RC_GEN)
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if argv_len == 1:
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return (True, True, '', False, last_argv)
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parser = argparse.ArgumentParser(description='migrator of harbor')
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parser.add_argument('--db', action="store_true", dest='is_migrate_db', required=False, default=False, help='The flag to upgrade db.')
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parser.add_argument('--cfg', action="store_true", dest='is_migrate_cfg', required=False, default=False, help='The flag to upgrede cfg.')
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parser.add_argument('--version', action="store", dest='target_version', required=False, default='', help='The target version that the harbor will be migrated to.')
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parser.add_argument('--output', action="store_true", dest='output', required=False, default=False, help='The path of the migrated harbor.cfg, if not set the input file will be overwritten.')
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args = parser.parse_args(sys.argv[1:argv_len])
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args.action = last_argv
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return (args.is_migrate_db, args.is_migrate_cfg, args.target_version, args.output, args.action)
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def init_from_input(self):
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(self.is_migrate_db, self.is_migrate_cfg, self.target_version, self.output, self.action) = self.parse_input()
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def run_cmd(cmd):
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return os.system(cmd)
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def pass_skip_confirm():
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valid = {"yes": True, "y": True, "ye": True, "no": False, "n": False}
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message = "Please backup before upgrade, \nEnter y to continue updating or n to abort: "
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while True:
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sys.stdout.write(message)
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choice = raw_input().lower()
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if choice == '':
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return False
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elif choice in valid:
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return valid[choice]
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else:
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sys.stdout.write("Please respond with 'yes' or 'no' "
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"(or 'y' or 'n').\n")
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def main():
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commandline_input = Parameters()
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db_migrator = DBMigrator(commandline_input.target_version)
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cfg_migrator = CfgMigrator(commandline_input.target_version, commandline_input.output)
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try:
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# test
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if commandline_input.action == "test":
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if commandline_input.is_migrate_db:
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if not db_migrator.validate():
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print ("Fail to validate: please make sure your DB auth is correct.")
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sys.exit(RC_VALIDATE)
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if commandline_input.is_migrate_cfg:
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if not cfg_migrator.validate():
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print ("Fail to validate: please make sure your cfg path is correct.")
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sys.exit(RC_VALIDATE)
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# backup
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elif commandline_input.action == "backup":
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if commandline_input.is_migrate_db:
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if not db_migrator.backup():
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sys.exit(RC_BACKUP)
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if commandline_input.is_migrate_cfg:
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if not cfg_migrator.backup():
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sys.exit(RC_BACKUP)
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# up
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elif commandline_input.action == "up":
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if commandline_input.is_migrate_db:
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if not db_migrator.up():
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sys.exit(RC_UP)
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if commandline_input.is_migrate_cfg:
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if not cfg_migrator.up():
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sys.exit(RC_UP)
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# restore
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elif commandline_input.action == "restore":
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if commandline_input.is_migrate_db:
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if not db_migrator.restore():
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sys.exit(RC_RESTORE)
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if commandline_input.is_migrate_cfg:
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if not cfg_migrator.restore():
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sys.exit(RC_RESTORE)
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else:
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print ("Unknow action type: " + str(commandline_input.action))
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sys.exit(RC_UNNKNOW_TYPE)
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except Exception as ex:
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print ("Migrator fail to execute, err: " + ex.message)
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sys.exit(RC_GEN)
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if __name__ == '__main__':
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main()
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