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!110 refresh replconninfo to identify cascade standby after switchover/faiover

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Merge pull request !110 from LiHeng/master
This commit is contained in:
opengauss-bot
2021-03-17 10:27:02 +08:00
committed by Gitee
parent 00fbd3f0c6 3b7cbbf11a
commit e2387f06eb
4 changed files with 235 additions and 13 deletions
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25
script/gspylib/common/DbClusterInfo.py
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@ -5979,7 +5979,12 @@ class dbClusterInfo():
def isSingleNode(self):
return (self.__getDnInstanceNum() <= 1)
def createDynamicConfig(self, user, localHostName, sshtool):
def doRefreshConf(self, user, localHostName, sshtool):
self.__createDynamicConfig(user, localHostName, sshtool)
self.__create_simple_datanode_config(user, localHostName, sshtool)
self.__reset_replconninfo(user, sshtool)
def __createDynamicConfig(self, user, localHostName, sshtool):
"""
function : Save cluster info into to dynamic config
input : String,int
@ -6045,6 +6050,8 @@ class dbClusterInfo():
raise Exception(ErrorCode.GAUSS_502["GAUSS_50205"] % \
"dynamic configuration file" +
" Error: \n%s" % str(e))
def __create_simple_datanode_config(self, user, localhostname, sshtool):
simpleDNConfig = self.__getDynamicSimpleDNConfig(user)
if os.path.exists(simpleDNConfig):
cmd = "rm -f %s" % simpleDNConfig
@ -6058,7 +6065,7 @@ class dbClusterInfo():
try:
with open(simpleDNConfig, "w") as fp:
for dninfo in tempstatus:
dnstatus = dninfo.split()[-2]
dnstatus = dninfo.split()[6]
dnname = dninfo.split()[1]
if dnstatus not in statusdic:
fp.write("%s=%d\n" %
@ -6073,7 +6080,7 @@ class dbClusterInfo():
"dynamic configuration file"
+ " Error: \n%s" % str(e))
try:
self.__sendDynamicCfgToAllNodes(localHostName,
self.__sendDynamicCfgToAllNodes(localhostname,
simpleDNConfig,
simpleDNConfig)
except Exception as e:
@ -6083,6 +6090,18 @@ class dbClusterInfo():
"dynamic configuration file" +
" Error: \n%s" % str(e))
def __reset_replconninfo(self, user, sshtool):
# add for cascade
local_script = os.path.dirname(os.path.realpath(__file__)) \
+ '/../../local/Resetreplconninfo.py'
cmd = "python3 %s -U %s -t reset" % (local_script, user)
(status, output) = \
sshtool.getSshStatusOutput(cmd, self.getClusterNodeNames())
for node in self.getClusterNodeNames():
if status[node] != 'Success':
raise Exception(ErrorCode.GAUSS_514["GAUSS_51400"]
% cmd + "Error:\n%s" % output)
def __packDynamicNodeInfo(self, dbNode, localHostName, sshtool):
# node id
info = struct.pack("I", dbNode.id)