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