def doCheckStaus(user,
nodeId,
cluster_normal_status=None,
expected_redistributing=""):
"""
function: Check cluster status
input : user, nodeId, cluster_normal_status, expected_redistributing
output: status, output
"""
try:
statusFile = "/home/%s/gauss_check_status_%d.dat" % (user,
os.getpid())
TempfileManagement.removeTempFile(statusFile)
cmd = ClusterCommand.getQueryStatusCmd(user, "", statusFile)
(status, output) = subprocess.getstatusoutput(cmd)
if status != 0:
TempfileManagement.removeTempFile(statusFile)
return (status, output)
clusterStatus = DbClusterStatus()
clusterStatus.initFromFile(statusFile)
TempfileManagement.removeTempFile(statusFile)
except Exception as e:
DefaultValue.cleanTmpFile(statusFile)
raise Exception(ErrorCode.GAUSS_516["GAUSS_51600"] +
"Error: %s." % str(e))
status = 0
output = ""
statusRep = None
if nodeId > 0:
nodeStatus = clusterStatus.getDbNodeStatusById(nodeId)
if nodeStatus is None:
raise Exception(ErrorCode.GAUSS_516["GAUSS_51619"] % nodeId)
status = 0 if nodeStatus.isNodeHealthy() else 1
statusRep = nodeStatus.getNodeStatusReport()
else:
status = 0 if clusterStatus.isAllHealthy(cluster_normal_status) \
and (clusterStatus.redistributing ==
expected_redistributing or
expected_redistributing == "") else 1
statusRep = clusterStatus.getClusterStatusReport()
output += "cluster_state : %s\n" % clusterStatus.clusterStatus
output += "redistributing : %s\n" % clusterStatus.redistributing
output += "node_count : %d\n" % statusRep.nodeCount
output += "Datanode State\n"
output += " primary : %d\n" % statusRep.dnPrimary
output += " standby : %d\n" % statusRep.dnStandby
output += " secondary : %d\n" % statusRep.dnDummy
output += " building : %d\n" % statusRep.dnBuild
output += " abnormal : %d\n" % statusRep.dnAbnormal
output += " down : %d\n" % statusRep.dnDown
return (status, output)
def getNodeStatus(self, nodename):
"""
function: get node status
input: nodename
output: NA
"""
try:
# Create a temporary file to save cluster status
tmpDir = DefaultValue.getTmpDirFromEnv()
tmpFile = os.path.join(tmpDir, "gauss_cluster_status.dat_" + \
str(datetime.now().strftime(
'%Y%m%d%H%M%S')) + "_" + str(
os.getpid()))
# Perform the start operation
# Writes the execution result to a temporary file
cmd = ClusterCommand.getQueryStatusCmd(self.context.g_opts.user,
"", tmpFile, True)
(status, output) = subprocess.getstatusoutput(cmd)
if (status != 0):
self.logger.debug("The cmd is %s " % cmd)
raise Exception(ErrorCode.GAUSS_514["GAUSS_51400"] % \
cmd + "Error: \n%s" % output)
# Initialize cluster status information for the temporary file
clusterStatus = DbClusterStatus()
clusterStatus.initFromFile(tmpFile)
# Get node status
nodeStatusInfo = None
for dbNode in clusterStatus.dbNodes:
if (dbNode.name == nodename):
nodeStatusInfo = dbNode
if (nodeStatusInfo and nodeStatusInfo.isNodeHealthy()):
nodeStatus = clusterStatus.OM_NODE_STATUS_NORMAL
else:
nodeStatus = clusterStatus.OM_NODE_STATUS_ABNORMAL
DefaultValue.cleanTmpFile(tmpFile)
return nodeStatus
except Exception as e:
DefaultValue.cleanTmpFile(tmpFile)
self.logger.debug("Failed to get node status. Error: \n%s." %
str(e))
return "Abnormal"
