def modifyStaticConf(self):
"""
Modify the cluster static conf and save it
"""
self.logger.log(
"[gs_dropnode]Start to modify the cluster static conf.")
staticConfigPath = "%s/bin/cluster_static_config" % self.appPath
# first backup, only need to be done on primary node
tmpDir = DefaultValue.getEnvironmentParameterValue(
"PGHOST", self.user, self.userProfile)
cmd = "cp %s %s/%s_BACKUP" % (staticConfigPath, tmpDir,
'cluster_static_config')
(status, output) = subprocess.getstatusoutput(cmd)
if status:
self.logger.debug(
"[gs_dropnode]Backup cluster_static_config failed" + output)
backIpDict = self.context.backIpNameMap
backIpDict_values = list(backIpDict.values())
backIpDict_keys = list(backIpDict.keys())
for ipLoop in self.context.hostIpListForDel:
nameLoop = backIpDict_keys[backIpDict_values.index(ipLoop)]
dnLoop = self.context.clusterInfo.getDbNodeByName(nameLoop)
self.context.clusterInfo.dbNodes.remove(dnLoop)
for dbNode in self.context.clusterInfo.dbNodes:
if dbNode.name == self.localhostname:
self.context.clusterInfo.saveToStaticConfig(
staticConfigPath, dbNode.id)
continue
staticConfigPath_dn = "%s/cluster_static_config_%s" % (tmpDir,
dbNode.name)
self.context.clusterInfo.saveToStaticConfig(
staticConfigPath_dn, dbNode.id)
self.logger.debug(
"[gs_dropnode]Start to scp the cluster static conf to any other node."
)
if not self.context.flagOnlyPrimary:
sshtool = SshTool(self.context.clusterInfo.getClusterNodeNames())
cmd = "%s/script/gs_om -t refreshconf" % self.gphomepath
(status, output) = subprocess.getstatusoutput(cmd)
self.logger.debug(
"[gs_dropnode]Output of refresh dynamic conf :%s." % output)
for hostName in self.context.hostMapForExist.keys():
hostSsh = SshTool([hostName])
if hostName != self.localhostname:
staticConfigPath_name = "%s/cluster_static_config_%s" % (
tmpDir, hostName)
hostSsh.scpFiles(staticConfigPath_name, staticConfigPath,
[hostName], self.envFile)
try:
os.unlink(staticConfigPath_name)
except FileNotFoundError:
pass
self.cleanSshToolFile(hostSsh)
self.logger.log("[gs_dropnode]End of modify the cluster static conf.")
def checkOldInstallStatus():
"""
function: Check old database install.
If this user have old install, report error and exit.
input : NA
output: NA
"""
g_opts.logger.log("Checking old installation.")
# Check $GAUSS_ENV.
try:
gauss_ENV = DefaultValue.getEnvironmentParameterValue(
"GAUSS_ENV", g_opts.user)
if (str(gauss_ENV) == str(INSTALL_FLAG)):
g_opts.logger.logExit(ErrorCode.GAUSS_518["GAUSS_51806"])
except Exception as ex:
g_opts.logger.logExit(str(ex))
g_opts.logger.log("Successfully checked old installation.")
def __checkAppVersion(self):
"""
function: Check version
input: NA
output: NA
"""
# grey upgrade no need do this check
curVer = DefaultValue.getAppVersion(self.appPath)
if (curVer == ""):
g_logger.logExit(ErrorCode.GAUSS_516["GAUSS_51623"])
gaussHome = DefaultValue.getEnvironmentParameterValue(
"GAUSSHOME", g_opts.user)
if not gaussHome:
g_logger.logExit(ErrorCode.GAUSS_518["GAUSS_51800"] % "$GAUSSHOME")
gaussdbFile = "%s/bin/gaussdb" % gaussHome
cmd = "%s --version 2>/dev/null" % (gaussdbFile)
(status, output) = subprocess.getstatusoutput(cmd)
if (status != 0):
g_logger.logExit(ErrorCode.GAUSS_514["GAUSS_51400"] % cmd +
"Error:\n %s" % output)
