238 lines
10 KiB
Python
238 lines
10 KiB
Python
# -*- coding:utf-8 -*-
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import subprocess
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import sys
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import os
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import time
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sys.path.append(sys.path[0] + "/../../")
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import impl.upgrade.UpgradeConst as Const
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from impl.upgrade.UpgradeImpl import UpgradeImpl
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from base_utils.os.env_util import EnvUtil
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from gspylib.os.gsfile import g_file
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from gspylib.common.ErrorCode import ErrorCode
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from gspylib.common.OMCommand import OMCommand
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from gspylib.common.Common import DefaultValue
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class UpgradeCmImpl(UpgradeImpl):
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"""
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Upgrade CM component implement
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"""
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def __init__(self, upgrade_context):
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super(UpgradeCmImpl, self).__init__(upgrade_context)
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self.upgrade_context = upgrade_context
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self.logger = self.upgrade_context.logger
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self.cluster_info = None
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self.ssh_tool = None
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self.dest_package_path = ""
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self.origin_cluster_state = ""
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self.package_random_number = ""
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def check_upgrade_cm_parameter(self):
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"""
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Check upgrade parameter
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"""
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if not self.upgrade_context.upgrade_package:
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self.logger.logExit(ErrorCode.GAUSS_500["GAUSS_50001"] % "-upgrade-package")
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if not os.path.isfile(self.upgrade_context.upgrade_package):
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self.logger.logExit(ErrorCode.GAUSS_500["GAUSS_50004"] % "-upgrade-package" +
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"File [%s] not exist." % self.upgrade_context.upgrade_package)
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def get_cm_current_version(self):
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"""
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Get CM current version
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"""
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cmd = "source {0}; cm_ctl -V".format(EnvUtil.getMpprcFile())
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status, output = subprocess.getstatusoutput(cmd)
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self.logger.debug("Get CM version result: {0}".format(output))
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if status != 0 or "build" not in output or "openGauss" not in output:
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self.logger.warn("cm_ctl error: {0}".format(output))
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return "no_version"
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return output.strip().split("build")[1].split(")")[0].strip()
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def init_global(self):
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"""
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Initialize global value
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"""
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self.upgrade_context.initClusterInfoFromStaticFile(self.upgrade_context.user)
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self.upgrade_context.initSshTool(self.upgrade_context.clusterInfo.getClusterNodeNames(),
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timeout=300)
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self.cluster_info = self.upgrade_context.clusterInfo
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self.ssh_tool = self.upgrade_context.sshTool
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tmp_path = EnvUtil.getEnv("PGHOST")
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version = self.get_cm_current_version()
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version = version if version else "empty_version"
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time_stamp = time.strftime('%Y%m%d-%H%M%S', time.localtime(time.time()))
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pkg_name_list = os.path.basename(self.upgrade_context.upgrade_package).split(".")
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package_perfix = [real_name.strip() for real_name in pkg_name_list if real_name.strip()][0]
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self.package_random_number = "{0}-{1}".format(version, time_stamp)
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upgrade_package_name = "{0}-{1}.tar.gz".format(package_perfix, time_stamp)
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self.dest_package_path = os.path.join(tmp_path, upgrade_package_name)
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def send_cm_package(self):
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"""
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Send CM package to all nodes
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"""
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self.logger.log("Ready to transform CM package to all nodes.")
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self.logger.debug("CM package send to: {0}".format(self.dest_package_path))
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self.ssh_tool.scpFiles(self.upgrade_context.upgrade_package, self.dest_package_path)
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self.logger.log("Send CM package to all nodes successfully.")
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def record_origin_cluster_state(self):
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"""
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Reccord origin cluster state
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"""
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self.logger.log("Start to record origin cluster state.")
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cmd = "source {0} ; cm_ctl query | grep cluster_state".format(EnvUtil.getMpprcFile())
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state_level_dict = {DefaultValue.CLUSTER_STATUS_UNAVAILABLE: 3,
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DefaultValue.CLUSTER_STATUS_DEGRADED: 2,
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DefaultValue.CLUSTER_STATUS_NORMAL: 1}
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start_time = time.time()
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end_time = start_time + 20
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while time.time() < end_time:
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status, output = subprocess.getstatusoutput(cmd)
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cluster_state = output.split(":")[-1].strip()
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self.logger.debug("Current cluster state: [{0}]".format(cluster_state))
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if status != 0 \
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or cluster_state not in state_level_dict \
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or cluster_state == DefaultValue.CLUSTER_STATUS_UNAVAILABLE:
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self.origin_cluster_state = DefaultValue.CLUSTER_STATUS_UNAVAILABLE
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break
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elif self.origin_cluster_state:
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if state_level_dict.get(cluster_state) != \
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state_level_dict.get(self.origin_cluster_state):
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self.origin_cluster_state = cluster_state
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else:
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self.logger.debug("Get origin cluster stat finish. "
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"Origin state: [{0}]".format(self.origin_cluster_state))
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break
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else:
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self.origin_cluster_state = cluster_state
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break
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time.sleep(2)
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self.logger.log("Cluster origin state is : [{0}]".format(self.origin_cluster_state))
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def prepare_upgrade_cm(self):
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"""
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Backup CM on every node
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"""
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self.logger.log("Start to prepare CM component files on all nodes.")
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cmd = "{0} -t {1} --upgrade-package {2} " \
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"--backup-version {3}".format(OMCommand.getLocalScript("Local_Upgrade_CM"),
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Const.ACTION_UPGRADE_PREPARE_UPGRADE_CM,
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self.dest_package_path,
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self.package_random_number)
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self.logger.debug("Command for prepare CM files : {0}.".format(cmd))
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self.ssh_tool.executeCommand(cmd)
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self.logger.log("Prepare upgrade CM component files successfully.")
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def upgrade_cm_component_binary_files(self):
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"""
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Upgrade CM component
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"""
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self.logger.log("Start to upgrade CM component on all nodes.")
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cmd = "{0} -t {1} --upgrade-package " \
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"{2}".format(OMCommand.getLocalScript("Local_Upgrade_CM"),
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Const.ACTION_UPGRADE_CM_UPGRADE_BINARY,
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self.dest_package_path)
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self.logger.debug("Command for upgrade CM files : {0}.".format(cmd))
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self.ssh_tool.executeCommand(cmd)
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self.logger.log("Upgrade CM component files successfully.")
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def post_upgrade_check(self):
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"""
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Post upgrade check
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"""
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self.logger.log("Finial check cluster:")
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cmd = "source {0} ; cm_ctl query | grep cluster_state".format(EnvUtil.getMpprcFile())
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start_time = time.time()
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end_time = start_time + 60
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normal_count = 0
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while (end_time - time.time()) > 0:
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status, output = subprocess.getstatusoutput(cmd)
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cluster_state = output.strip().split(":")[-1].strip()
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self.logger.debug("Get cluster state is [{0}]".format(cluster_state))
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if status == 0 and cluster_state in \
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[DefaultValue.CLUSTER_STATUS_NORMAL, DefaultValue.CLUSTER_STATUS_DEGRADED]:
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self.logger.log("Cluster state is : [{0}]".format(cluster_state))
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normal_count += 1
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if normal_count > 2:
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self.logger.log("The cluster status check is available.")
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return
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else:
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normal_count = 0
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self.logger.log("Cluster state check unavailable.")
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time.sleep(2)
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if self.origin_cluster_state == DefaultValue.CLUSTER_STATUS_UNAVAILABLE:
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self.logger.log("The cluster state allow Unavailable.")
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else:
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raise Exception("Post upgrade check cluster state is not available.")
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def do_rollback_cm(self):
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"""
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Rollback CM component
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"""
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self.logger.log("Start to rollback CM component files on all nodes.")
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backup_package_name = "{0}-{1}.tar.gz".format(Const.UPGRADE_BACKUP_TAR_NAME,
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self.package_random_number)
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backup_pkg_path = os.path.join(EnvUtil.getEnv("PGHOST"), backup_package_name)
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cmd = "{0} -t {1} --upgrade-package " \
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"{2}".format(OMCommand.getLocalScript("Local_Upgrade_CM"),
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Const.ACTION_UPGRADE_CM_ROLLBACK,
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backup_pkg_path)
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self.logger.debug("Command for rollback CM files : {1}.".format(cmd))
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self.ssh_tool.executeCommand(cmd)
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cmd = g_file.SHELL_CMD_DICT["deleteFile"] % (backup_pkg_path, backup_pkg_path)
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self.ssh_tool.executeCommand(cmd)
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self.logger.log("Rollback CM component files successfully.")
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def clear_tmp_files(self):
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"""
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Clear upgrade temporary files
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"""
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try:
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backup_dir = os.path.join(EnvUtil.getEnv("PGHOST"), Const.UPGRADE_BACKUP_DIR)
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decompress_dir = os.path.join(EnvUtil.getEnv("PGHOST"),
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Const.UPGRADE_CM_DECOMPRESS_DIR)
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cmd = g_file.SHELL_CMD_DICT["deleteDir"] % (backup_dir, backup_dir)
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cmd += " && {0}".format(g_file.SHELL_CMD_DICT["deleteDir"] % (decompress_dir,
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decompress_dir))
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self.ssh_tool.executeCommand(cmd)
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self.logger.debug("Clean temporary directory successfully.")
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cmd = g_file.SHELL_CMD_DICT["deleteFile"] % (self.dest_package_path,
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self.dest_package_path)
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self.ssh_tool.executeCommand(cmd)
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except Exception as exp:
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self.logger.warn("Clean temporary upgrade directory failed."
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"Output: {0}".format(str(exp)))
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self.logger.debug("Clean temporary upgrade directory finish.")
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def run(self):
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"""
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Start upgrade CM component main method
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"""
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self.logger.log("Start to perform the upgrade of CM component in cluster.")
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self.check_upgrade_cm_parameter()
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self.init_global()
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self.send_cm_package()
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self.record_origin_cluster_state()
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self.prepare_upgrade_cm()
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try:
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self.upgrade_cm_component_binary_files()
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self.post_upgrade_check()
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except Exception as exp:
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self.logger.log("Exception: {0}".format(str(exp)))
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self.logger.log("Start to rollback CM component.")
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self.do_rollback_cm()
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self.clear_tmp_files()
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sys.exit(1)
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self.clear_tmp_files()
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self.logger.log("Upgrade CM component successfully.")
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