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集中式支持vip本地化安装

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Match-id-c7906104d5bcad5351beb7863fb3c72c990f7c25
This commit is contained in:
openGaussDev
2023-02-26 19:19:08 +08:00
committed by yanghao
parent f5f26bf151
commit 8cada91e73
13 changed files with 702 additions and 43 deletions
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62
script/impl/dropnode/drop_node_with_cm_impl.py
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@ -28,13 +28,18 @@ sys.path.append(sys.path[0] + "/../../../../")
from base_utils.os.net_util import NetUtil
from base_utils.os.env_util import EnvUtil
from base_utils.executor.cmd_executor import CmdExecutor
from gspylib.common.OMCommand import OMCommand
from gspylib.common.ErrorCode import ErrorCode
from gspylib.common.Common import DefaultValue
from gspylib.component.CM.CM_OLAP.CM_OLAP import CM_OLAP
from gspylib.threads.SshTool import SshTool
from gspylib.os.gsfile import g_file
from impl.dropnode.DropnodeImpl import DropnodeImpl
from base_utils.os.file_util import FileUtil
# Action type
ACTION_DROP_NODE = "drop_node"
class DropNodeWithCmImpl(DropnodeImpl):
@ -83,6 +88,37 @@ class DropNodeWithCmImpl(DropnodeImpl):
raise Exception("Too many cm_server nodes are dropped.A maximum of {0} cm_server "
"nodes can be dropped.".format(len(all_cm_server_nodes) - 2))
def backup_cm_res_json(self):
"""
Backup cm resource json on primary node
"""
cm_resource = os.path.realpath(
os.path.join(self.cm_component.instInfo.datadir, "cm_resource.json"))
backup_cm_res = os.path.realpath(
os.path.join(self.pghostPath, "cm_resource_bak.json"))
if not os.path.isfile(backup_cm_res):
FileUtil.cpFile(cm_resource, backup_cm_res)
def update_cm_res_json(self):
"""
Update cm resource json file.
"""
if not self.commonOper.check_is_vip_mode():
self.logger.log("The current cluster does not support VIP.")
return
self.backup_cm_res_json()
self.logger.log("Updating cm resource file on exist nodes.")
del_hosts = ",".join(self.context.hostMapForDel.keys())
cmd = "source %s; " % self.userProfile
cmd += "%s -t %s -U %s -H %s -l '%s' " % (
OMCommand.getLocalScript("Local_Config_CM_Res"),
ACTION_DROP_NODE, self.user, del_hosts, self.context.localLog)
self.logger.debug("Command for updating cm resource file: %s" % cmd)
CmdExecutor.execCommandWithMode(cmd, self.ssh_tool,
host_list=self.context.hostMapForExist.keys())
self.logger.log("Successfully updated cm resource file.")
def _stop_drop_node(self):
"""
try to stop drop nodes
@ -154,6 +190,27 @@ class DropNodeWithCmImpl(DropnodeImpl):
"HINT: Maybe the cluster is continually being started in the background.\n"
"You can wait for a while and check whether the cluster starts.")
def restore_cm_res_json(self):
"""
Restore cm resource json on primary node
"""
cm_resource = os.path.realpath(
os.path.join(self.cm_component.instInfo.datadir, "cm_resource.json"))
backup_cm_res = os.path.realpath(
os.path.join(self.pghostPath, "cm_resource_bak.json"))
if os.path.isfile(backup_cm_res):
FileUtil.cpFile(backup_cm_res, cm_resource)
def remove_cm_res_backup(self):
"""
Remove cm resource backup on primary node
"""
backup_cm_res = os.path.realpath(
os.path.join(self.pghostPath, "cm_resource_bak.json"))
if os.path.isfile(backup_cm_res):
os.remove(backup_cm_res)
self.logger.log("Successfully remove cm resource backup file")
def run(self):
"""
start dropnode
@ -163,11 +220,14 @@ class DropNodeWithCmImpl(DropnodeImpl):
self.check_drop_cm_node()
self.change_user()
self.logger.log("[gs_dropnode]Start to drop nodes of the cluster.")
self.restore_cm_res_json()
self.checkAllStandbyState()
self.dropNodeOnAllHosts()
self.operationOnlyOnPrimary()
self.update_cm_res_json()
self._stop_drop_node()
self._generate_flag_file_on_drop_nodes()
self.modifyStaticConf()
self.restart_new_cluster()
self.remove_cm_res_backup()
self.logger.log("[gs_dropnode] Success to drop the target nodes.")