def cleanSyslogConfig(self):
"""
function: clean syslog config
input : NA
output: NA
"""
try:
# only suse11/suse12 can support it
distname = g_Platform.dist()[0]
if (distname.upper() != "SUSE"):
return
# clean syslog-ng/rsyslog config
cmd = "%s -t %s -u %s -l '%s' -X '%s'" % (
OMCommand.getLocalScript("Local_UnPreInstall"),
ACTION_CLEAN_SYSLOG_CONFIG, self.user, self.localLog,
self.xmlFile)
self.logger.debug(
"Command for clean syslog-ng/rsyslog config: %s" % cmd)
DefaultValue.execCommandWithMode(
cmd, "clean syslog-ng/rsyslog config", self.sshTool,
self.localMode, self.mpprcFile,
self.clusterInfo.getClusterNodeNames())
except Exception as e:
self.logger.logExit(str(e))
def isSupportSystemOs():
"""
function: check whether is or not redhat
input : NA
output : NA
"""
osName = g_Platform.dist()[0]
if osName in ["redhat", "centos", "euleros", "openEuler"]:
return True
else:
return False
def doSet(self):
ifcfgFileSuse = "/etc/sysconfig/network/ifcfg-%s" % networkCards
ifcfgFileRedhat = "/etc/sysconfig/network-scripts/ifcfg-%s" \
% networkCards
distname, version, idnum = g_Platform.dist()
if (distname in ["redhat", "centos", "euleros", "openEuler"]):
cmd = "echo BONDING_MODULE_OPTS='mode=%d " \
"miimon=100 use_carrier=0' >> %s " % (1, ifcfgFileRedhat)
else:
cmd = "echo BONDING_MODULE_OPTS='mode=%d miimon=100" \
" use_carrier=0' >> %s" % (1, ifcfgFileSuse)
(status, output) = subprocess.getstatusoutput(cmd)
if (status != 0):
self.result.val = "Failed to set bond mode.\n" + \
"The cmd is %s " % cmd
else:
self.result.val = "set bond mode successfully.\n"
def doSet(self):
self.result.val = ""
parRes = ""
sctpFile = ""
initFileSuse = "/etc/init.d/boot.local"
initFileRedhat = "/etc/rc.d/rc.local"
cmd = "ls -l /lib/modules/`uname -r`/kernel/net/sctp/sctp.ko*"
(status, output) = subprocess.getstatusoutput(cmd)
if (status != 0 or output == "" or output.find(
"No such file or directory") > 0):
parRes = "There is no sctp service.\n"
else:
sctpFile = output.split()[-1]
cmd = "modprobe sctp;"
(status, output) = subprocess.getstatusoutput(cmd)
if (status != 0):
cmd = "insmod %s >/dev/null 2>&1;lsmod |grep sctp" % sctpFile
(status, output) = subprocess.getstatusoutput(cmd)
if status != 0 or output == "":
parRes = "Failed to load sctp service.\n"
distname, version, idnum = g_Platform.dist()
if (distname in ["redhat", "centos", "euleros", "openEuler"]):
cmd = "cat %s | grep sctp" % initFileRedhat
(status, output) = subprocess.getstatusoutput(cmd)
if (status != 0 or output == ""):
cmd = "echo 'modprobe sctp' >> /etc/rc.d/rc.local;"
cmd += "echo" \
" 'insmod %s >/dev/null 2>&1' >> /etc/rc.d/rc.local " \
% sctpFile
(status, output) = subprocess.getstatusoutput(cmd)
if (status != 0):
parRes += "Failed to add sctp service to boot.\n"
else:
cmd = "cat %s | grep stcp" % initFileSuse
(status, output) = subprocess.getstatusoutput(cmd)
if (status != 0 or output == ""):
cmd = "echo 'modprobe sctp' >> /etc/init.d/boot.local;"
cmd += "echo '%s >/dev/null 2>&1' >> /etc/init.d/boot.local " \
% sctpFile
(status, output) = subprocess.getstatusoutput(cmd)
if (status != 0):
parRes += "Failed to add sctp service to boot."
self.result.val = parRes
def getOSInitFile():
"""
function : Get the OS initialization file
input : NA
output : String
"""
distname = g_Platform.dist()[0]
systemd_system_dir = "/usr/lib/systemd/system/"
systemd_system_file = "/usr/lib/systemd/system/gs-OS-set.service"
# OS init file
# now we only support SuSE and RHEL
initFileSuse = "/etc/init.d/boot.local"
initFileRedhat = "/etc/rc.d/rc.local"
# system init file
initSystemFile = "/usr/local/gauss/script/gauss-OS-set.sh"
dirName = os.path.dirname(os.path.realpath(__file__))
# Get the startup file of suse or redhat os
if (os.path.isdir(systemd_system_dir)):
if (not os.path.exists(systemd_system_file)):
cmd = "cp '%s'/gs-OS-set.service '%s'; chmod %s '%s'" % (
dirName, systemd_system_file, DefaultValue.KEY_FILE_MODE,
systemd_system_file)
runShellCmd(cmd)
cmd = "systemctl enable gs-OS-set.service"
runShellCmd(cmd)
if (not os.path.exists(initSystemFile)):
cmd = "mkdir -p '%s'" % os.path.dirname(initSystemFile)
runShellCmd(cmd)
g_file.createFileInSafeMode(initSystemFile)
with open(initSystemFile, "w") as fp:
fp.write("#!/bin/bash\n")
cmd = "chmod %s '%s'" % (DefaultValue.KEY_FILE_MODE, initSystemFile)
runShellCmd(cmd)
return initSystemFile
if (distname == "SuSE" and os.path.isfile(initFileSuse)):
initFile = initFileSuse
elif (distname in (
"redhat", "centos", "euleros", "openEuler") and os.path.isfile(
initFileRedhat)):
initFile = initFileRedhat
else:
initFile = ""
return initFile
def checkSysctlParameter(kernelParameter, isSet):
"""
function: check and set the OS parameters
input: kernelParameter: OS parameters list will be check and set
isSet: the flag, when it is only True then will set OS parameters
output: NA
"""
setParameterList = {}
patchlevel = ""
# get the suggest parameters and updata kernelParameter
suggestParameterList = DefaultValue.getConfigFilePara(
configFile, 'SUGGEST:%s' % actioItemMap["Check_SysCtl_Parameter"][0])
kernelParameter.update(suggestParameterList)
# check the OS parameters
if ("fs.aio-max-nr" in kernelParameter):
g_logger.log(" Warning reason: Checking or setting the"
" parameter 'fs.aio-max-nr' should be use "
"'gs_checkos -i A10' or 'gs_checkos -i B4'.")
kernelParameter.pop("fs.aio-max-nr")
# Get OS version
distname, version = g_Platform.dist()[0:2]
if (distname == "SuSE" and version == "11"):
cmd = "grep -i 'PATCHLEVEL' /etc/SuSE-release |" \
" awk -F '=' '{print $2}'"
(status, output) = subprocess.getstatusoutput(cmd)
if (status == 0 and output != ""):
patchlevel = output.strip()
# Gs_check get NetWork card MTU
if (g_opts.action == "osKernelParameterCheck"):
checkrestult = checkNetWorkMTU()
if checkrestult != 0:
resultList.append(checkrestult)
for key in kernelParameter:
# The SuSE 11 SP1 operating system
# does not have vm.extfrag_threshold parameter, skip check
if (patchlevel == "1" and key == "vm.extfrag_threshold"):
continue
sysFile = "/proc/sys/%s" % key.replace('.', '/')
# High version of linux no longer supports tcp_tw_recycle
if not os.path.exists(
sysFile) and key == "net.ipv4.tcp_tw_recycle":
continue
if (DefaultValue.checkDockerEnv() and key in docker_no_need_check):
continue
# The parameter sctpchecksumerrors check method is independent
if (key == "sctpchecksumerrors"):
cmd = "cat /proc/net/sctp/snmp | grep SctpChecksumErrors" \
" | awk '{print $2}'"
else:
cmd = "cat %s" % ("/proc/sys/%s" % key.replace('.', '/'))
(status, output) = subprocess.getstatusoutput(cmd)
if (status == 0):
if (key == "vm.min_free_kbytes"
and output.split() != kernelParameter[key].split()):
expected_min = float(kernelParameter[key].split()[0]) * 0.9
expected_max = float(kernelParameter[key].split()[0]) * 1.1
if (int(output.split()[0]) > expected_max
or int(output.split()[0]) < expected_min):
resultList.append(1)
g_logger.log(" Abnormal reason: variable '%s'"
" RealValue '%s' ExpectedValue '%s'."
% (key, output, kernelParameter[key]))
setParameterList[key] = kernelParameter[key]
elif (key == "net.ipv4.ip_local_port_range"
and output.split() != kernelParameter[key].split()):
expected_min = int(kernelParameter[key].split()[0])
expected_max = int(kernelParameter[key].split()[1])
if (int(output.split()[0]) < expected_min
or int(output.split()[1]) > expected_max):
resultList.append(2)
g_logger.log(" Warning reason: variable '%s'"
" RealValue '%s' ExpectedValue '%s'."
% (key, output, kernelParameter[key]))
elif (output.split() != kernelParameter[key].split() and
key not in list(suggestParameterList.keys())):
resultList.append(1)
g_logger.log(" Abnormal reason: variable '%s'"
" RealValue '%s' ExpectedValue '%s'."
% (key, output, kernelParameter[key]))
setParameterList[key] = kernelParameter[key]
elif output.split() != kernelParameter[key].split():
if (key == "vm.overcommit_ratio"):
cmd = "cat /proc/sys/vm/overcommit_memory"
(status, value) = subprocess.getstatusoutput(cmd)
if (status == 0 and value == "0"):
continue
resultList.append(2)
g_logger.log(" Warning reason: variable '%s' RealValue"
" '%s' ExpectedValue '%s'."
% (key, output, kernelParameter[key]))
else:
resultList.append(1)
g_logger.log(" Abnormal reason: Failed to obtain the OS "
"kernel parameter [%s]. Error: \n %s"
% (key, output))
setParameterList[key] = kernelParameter[key]
if (1 in resultList and 'Check' in g_opts.action):
g_logger.log(" %s failed." % g_opts.action)
elif (2 in resultList and 'Check' in g_opts.action):
g_logger.log(" %s warning." % g_opts.action)
else:
g_logger.log(" All values about system control"
" parameters are correct: Normal")
# set the OS parameters
if isSet:
setOSParameter(setParameterList, patchlevel)
def doCheck(self):
global setParameterList
patchlevel = ""
resultList = []
informationlist = []
dirName = os.path.dirname(os.path.realpath(__file__))
configFile = "%s/../../config/check_list_%s.conf" % (
dirName, self.version)
suggestParameterList = self.getConfigFilePara(
configFile,
'SUGGEST:/etc/sysctl.conf')
kernelParameter = self.getConfigFilePara(configFile,
'/etc/sysctl.conf')
kernelParameter.update(suggestParameterList)
distname, version, idnum = g_Platform.dist()
if (distname == "SuSE" and version == "11"):
patInfo = g_file.readFile("/etc/SuSE-release", 'PATCHLEVEL')[0]
if (patInfo.find('=') > 0):
output = patInfo.split('=')[1].strip()
if (output != ""):
patchlevel = output
for key in kernelParameter:
if (patchlevel == "1" and key == "vm.extfrag_threshold"):
continue
if (key == "sctpchecksumerrors"):
snmpFile = "/proc/net/sctp/snmp"
if (os.path.isfile(snmpFile)):
output = \
g_file.readFile(snmpFile, 'SctpChecksumErrors')[
0].split()[1].strip()
else:
continue
else:
sysFile = "/proc/sys/%s" % key.replace('.', '/')
# High version of linux no longer supports tcp_tw_recycle
if (not os.path.exists(
sysFile) and key == "net.ipv4.tcp_tw_recycle"):
continue
output = g_file.readFile(sysFile)[0].strip()
if (len(output.split()) > 1):
output = ' '.join(output.split())
if (output != kernelParameter[key].strip() and key not in list(
suggestParameterList.keys())):
resultList.append(1)
informationlist.append(
"Abnormal reason: variable '%s' "
"RealValue '%s' ExpectedValue '%s'." % (
key, output, kernelParameter[key]))
setParameterList[key] = kernelParameter[key]
elif output != kernelParameter[key].strip():
if (key == "vm.overcommit_ratio"):
output = g_file.readFile("/proc/sys/vm/overcommit_memory")[
0].strip()
if (output == "0"):
continue
resultList.append(2)
informationlist.append(
"Warning reason: variable '%s' RealValue '%s' "
"ExpectedValue '%s'." % (
key, output, kernelParameter[key]))
if (1 in resultList):
self.result.rst = ResultStatus.NG
elif (2 in resultList):
self.result.rst = ResultStatus.WARNING
else:
self.result.rst = ResultStatus.OK
self.result.val = ""
for info in informationlist:
self.result.val = self.result.val + '%s\n' % info
def getOSversion(self):
distname, version, idnum = g_Platform.dist()
return distname, version
