#!/usr/bin/python # # Copyright 2010, Pall Sigurdsson # # This script is free software: you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation, either version 3 of the License, or # (at your option) any later version. # # This script is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program. If not, see . # About this script # # This script will check the status of a remote IBM Bladecenter via SNMP. # No real need to change anything below here version="1.1.2" ok=0 warning=1 critical=2 unknown=3 not_present = -1 exit_status = -1 state = {} state[not_present] = "Not Present" state[ok] = "OK" state[warning] = "Warning" state[critical] = "Critical" state[unknown] = "Unknown" longserviceoutput="\n" perfdata="" summary="" sudo=False from sys import exit from sys import argv from os import getenv,putenv,environ import subprocess # Parse some Arguments from optparse import OptionParser parser = OptionParser() parser.add_option("-m","--mode", dest="mode", help="Which check mode is in use (powermodules,system-health,temperature,chassis-status,bladehealth,blowers,switchmodules)") parser.add_option("-H","--host", dest="host", help="Hostname or IP address of the host to check") parser.add_option("-w","--warning", dest="warning_threshold", help="Warning threshold", type="int", default=None) parser.add_option("-c","--critical", type="int", dest="critical_threshold", help="Critical threshold", default=None) parser.add_option("-e","--exclude", dest="exclude", help="Exclude specific object", default=None) parser.add_option("-v","--snmp_version", dest="snmp_version", help="SNMP Version to use (1, 2c or 3)", default="1") parser.add_option("-u","--snmp_username", dest="snmp_username", help="SNMP username (only with SNMP v3)", default=None) parser.add_option("-C","--snmp_community", dest="snmp_community", help="SNMP Community (only with SNMP v1|v2c)", default=None) parser.add_option("-p","--snmp_password", dest="snmp_password", help="SNMP password (only with SNMP v3)", default=None) parser.add_option("-l","--snmp_security_level", dest="snmp_seclevel", help="SNMP security level (only with SNMP v3) (noAuthNoPriv|authNoPriv|authPriv)", default=None) parser.add_option("-t","--snmp_timeout", dest="snmp_timeout", help="Timeout in seconds for SNMP", default=10) parser.add_option("-d","--debug", dest="debug", help="Enable debugging (for troubleshooting", action="store_true", default=False) (opts,args) = parser.parse_args() if opts.host == None: parser.error("Hostname (-H) is required.") if opts.mode == None: parser.error("Mode (--mode) is required.") snmp_options = "" def set_snmp_options(): global snmp_options if opts.snmp_version is not None: snmp_options = snmp_options + " -v%s" % opts.snmp_version if opts.snmp_version == "3": if opts.snmp_username is None: parser.error("--snmp_username required with --snmp_version=3") if opts.snmp_seclevel is None: parser.error("--snmp_security_level required with --snmp_version=3") if opts.snmp_password is None: parser.error("--snmp_password required with --snmp_version=3") snmp_options = snmp_options + " -u %s -l %s -A %s " % (opts.snmp_username, opts.snmp_seclevel,opts.snmp_password) else: if opts.snmp_community is None: parser.error("--snmp_community is required with --snmp_version=1|2c") snmp_options = snmp_options + " -c %s " % opts.snmp_community snmp_options += " -t %s " % (opts.snmp_timeout) def error(errortext): print "* Error: %s" % errortext exit(unknown) def debug( debugtext ): if opts.debug: print debugtext def nagios_status( newStatus ): global exit_status exit_status = max(exit_status, newStatus) return exit_status '''runCommand: Runs command from the shell prompt. Exit Nagios style if unsuccessful''' def runCommand(command): debug( "Executing: %s" % command ) proc = subprocess.Popen(command, shell=True, stdout=subprocess.PIPE,stderr=subprocess.PIPE,) stdout, stderr = proc.communicate('through stdin to stdout') if proc.returncode > 0: print "Error %s: %s\n command was: '%s'" % (proc.returncode,stderr.strip(),command) debug("results: %s" % (stdout.strip() ) ) if proc.returncode == 127: # File not found, lets print path path=getenv("PATH") print "Check if your path is correct %s" % (path) if stderr.find('Password:') == 0 and command.find('sudo') == 0: print "Check if user is in the sudoers file" if stderr.find('sorry, you must have a tty to run sudo') == 0 and command.find('sudo') == 0: print "Please remove 'requiretty' from /etc/sudoers" exit(unknown) else: return stdout def end(): global summary global longserviceoutput global perfdata global exit_status print "%s - %s | %s" % (state[exit_status], summary,perfdata) print longserviceoutput if exit_status < 0: exit_status = unknown exit(exit_status) def add_perfdata(text): global perfdata text = text.strip() perfdata = perfdata + " %s " % (text) def add_long(text): global longserviceoutput longserviceoutput = longserviceoutput + text + '\n' def add_summary(text): global summary summary = summary + text def set_path(path): current_path = getenv('PATH') if current_path.find('C:\\') > -1: # We are on this platform if path == '': pass else: path = ';' + path else: # Unix/Linux, etc if path == '': path = ":/usr/sbin" else: path = ':' + path current_path = "%s%s" % (current_path,path) environ['PATH'] = current_path def snmpget(oid): snmpgetcommand = "snmpget %s %s %s" % (snmp_options,opts.host,oid) output = runCommand(snmpgetcommand) oid,result = output.strip().split(' = ', 1) resultType,resultValue = result.split(': ',1) if resultType == 'STRING': # strip quotes of the string resultValue = resultValue[1:-1] return resultValue # snmpwalk -v3 -u v3get mgmt-rek-proxy-p02 -A proxy2011 -l authNoPriv 1.3.6.1.4.1.15497 def snmpwalk(base_oid): snmpwalkcommand = "snmpwalk %s %s %s" % (snmp_options, opts.host, base_oid) output = runCommand(snmpwalkcommand + " " + base_oid) return output def getTable(base_oid): myTable = {} output = snmpwalk(base_oid) for line in output.split('\n'): tmp = line.strip().split(' = ', 1) if len(tmp) == 2: oid,result = tmp else: continue tmp = result.split(': ',1) if len(tmp) > 1: resultType,resultValue = tmp[0],tmp[1] else: resultType = None resultValue = tmp[0] if resultType == 'STRING': # strip quotes of the string resultValue = resultValue[1:-1] index = oid.strip().split('.') column = int(index.pop()) row = int(index.pop()) if not myTable.has_key(column): myTable[column] = {} myTable[column][row] = resultValue return myTable def check_powermodules(): powermodules = getTable('1.3.6.1.4.1.2.3.51.2.2.4') index = 1 exists = 2 status = 3 details = 4 num_ok = 0 num_no = 0 for i in powermodules.values(): myIndex = i[index] myStatus = i[status] myDetails = i[details] myExists = i[exists] if myIndex == opts.exclude: continue if myExists == "0": num_no = num_no + 1 else: if myStatus != "1": nagios_status(warning) add_summary( 'Powermodule "%s" status "%s". %s. ' % (myIndex,myStatus,myDetails) ) else: num_ok = num_ok + 1 add_long('Powersupply "%s" status "%s". %s. ' % (myIndex,myStatus,myDetails) ) add_summary( "%s out of %s powermodules are healthy" % (num_ok, len(powermodules) ) ) add_perfdata( "'Number of powermodules'=%s" % (len(powermodules) - num_no ) ) nagios_status(ok) def check_switchmodules(): switchmodules = getTable("1.3.6.1.4.1.2.3.51.2.22.3.1.1") # The following oid is undocumented, but contains some useful extra info try: extrainfo = getTable("1.3.6.1.4.1.2.3.51.2.22.3.1.7").values() except: extrainfo = [] for module in switchmodules.values(): myIndex = module[1] healthstate = module[15] resultavailable = module[3] resultvalue = module[4] enabledisable = module[6] if resultavailable == "1": 'this module is installed' if healthstate == "1": nagios_status(ok) add_long("Module%s health good.\n post=%s" % (myIndex,resultvalue)) else: nagios_status(warning) add_long("Module%s health bad(%s).\n post=%s" % (myIndex, healthstate,resultvalue) ) add_summary("Problem with Module %s. " % (myIndex)) if len(extrainfo) > int(myIndex): try: myExtraInfo = extrainfo[int(myIndex)-1] module_type = myExtraInfo[22] module_ip = myExtraInfo[6] add_long( " type=%s ip=%s" % (module_type,module_ip) ) except: pass if exit_status == ok: add_summary("All switchmodules healthy") def check_blowers(): " Check blower status " blowers = getTable("1.3.6.1.4.1.2.3.51.2.2.3") # This mib only seems to support 2 blowers. blower1speed = snmpget("1.3.6.1.4.1.2.3.51.2.2.3.1.0") blower1state = snmpget("1.3.6.1.4.1.2.3.51.2.2.3.10.0") blower2speed = snmpget("1.3.6.1.4.1.2.3.51.2.2.3.2.0") blower2state = snmpget("1.3.6.1.4.1.2.3.51.2.2.3.11.0") add_long( "Blower 1 state=%s speed=%s" % (blower1state,blower1speed) ) add_long( "Blower 2 state=%s speed=%s" % (blower2state,blower2speed) ) add_perfdata("blower1=%s" %(blower1speed.split(None,1)[0] )) add_perfdata("blower2=%s" %(blower2speed.split(None,1)[0] )) # Check blower 1 if blower1state == "1": nagios_status(ok) add_summary("Blower1 OK. " ) else: add_summary("Blower1 NOT OK. ") nagios_status(warning) # Check blower 2 if blower2state == "1": nagios_status(ok) add_summary("Blower2 OK. " ) else: add_summary("Blower2 NOT OK. ") nagios_status(warning) if blower1state != "1" and blower2state != "1": nagios_status(critical) def check_chassis_status(): chassis = getTable('1.3.6.1.4.1.2.3.51.2.2.5.2') oids = chassis.values()[0] chassis_oid = { 1 :"bistSdram", 10 :"bistBootRomFlashImage", 11 :"bistEthernetPort1", 113 :"bistSwitchModulesCommunicating", 12 :"bistEthernetPort2", 13 :"bistInternalPCIBus", 14 :"bistExternalI2CDevices", 15 :"bistUSBController", 16 :"bistVideoCompressorBoard", 17 :"bistPrimaryBus", 18 :"bistInternalEthernetSwitch", 2 :"bistRs485Port1", 3 :"bistRs485Port2", 33 :"bistBladesInstalled", 4 :"bistNvram", 49 :"bistBladesCommunicating", 6 :"bistRtc", 65 :"bistBlowersInstalled", 7 :"bistLocalI2CBus", 73 :"bistBlowersFunctional", 74 :"bistMediaTrayInstalled", 75 :"bistMediaTrayCommunicating", 8 :"bistPrimaryMainAppFlashImage", 81 :"bistPowerModulesInstalled", 89 :"bistPowerModulesFunctional", 9 :"bistSecondaryMainAppFlashImage", 97 :"bistSwitchModulesInstalled", } # Check if all blades are working bistBladesInstalled = 33 bistBlowersInstalled = 65 bistMediaTrayInstalled = 74 bistPowerModulesInstalled = 81 bistSwitchModulesInstalled = 97 bistSwitchModulesCommunicating = 113 bistBladesCommunicating = 49 bistMediaTrayCommunicating = 75 bistBlowersFunctional = 73 bistPowerModulesFunctional = 89 # Check Blade Communications if not oids.has_key(bistBladesInstalled) or not oids.has_key(bistBladesCommunicating): add_summary( "Blades N/A. ") elif oids[bistBladesInstalled] == oids[bistBladesCommunicating]: nagios_status(ok) add_summary( "Blades OK. " ) else: nagios_status(warning) add_summary( "Blades NOT OK. " ) # Check PowerModule Status if not oids.has_key(bistPowerModulesFunctional) or not oids.has_key(bistPowerModulesInstalled): add_summary( "Powermodules N/A. ") elif oids[bistPowerModulesFunctional] == oids[bistPowerModulesInstalled]: nagios_status(ok) add_summary( "PowerModules OK. " ) else: nagios_status(warning) add_summary( "PowerModules NOT OK. " ) # Check SwitcModule Communications if not oids.has_key(bistSwitchModulesCommunicating) or not oids.has_key(bistSwitchModulesInstalled): add_summary( "SwitchModules N/A. ") if oids[bistSwitchModulesCommunicating] == oids[bistSwitchModulesInstalled]: nagios_status(ok) add_summary("Switchmodules OK. ") else: nagios_status(warning) add_summary( "Switchmodules NOT OK. ") # Check blower status if not oids.has_key(bistBlowersInstalled) or not oids.has_key(bistBlowersFunctional): add_summary( "Blowers N/A. ") elif oids[bistBlowersInstalled] == oids[bistBlowersFunctional]: nagios_status(ok) add_summary( "Blowers OK. " ) else: nagios_status(warning) add_summary( "Blowers NOT OK. " ) # Check Media Tray Status if not oids.has_key(bistMediaTrayCommunicating) or not oids.has_key(bistMediaTrayInstalled): nagios_status(ok) add_summary( "Media Trays N/A. ") elif oids[bistMediaTrayCommunicating] == oids[bistMediaTrayInstalled]: add_summary( "Media Trays OK. " ) else: nagios_status(warning) add_summary( "Media Trays NOT OK. " ) # status_oids, oids that where 0 == ok status_oids = ( 2,3,5,7,8,9,10,11,14,18,19,20,21,22,23,24,25,26,27,28,29,30, ) add_long("Other Sensors: ") sensor_status = ok for oid in status_oids: if not chassis_oid.has_key(oid): continue oidValue = oids[oid] oidName = chassis_oid[oid] if oidValue == "0": friendly_status = "%s (ok)" % oidValue else: friendly_status = "%s (not ok)" % oidValue nagios_status(warning) sensor_status = warning add_summary( "%s is %s" % oidName, friendly_status) add_long( " %s status: %s" % (oidName,friendly_status) ) if sensor_status == ok: add_summary( "Other Sensors: OK. ") def check_bladehealth(): blades = getTable('1.3.6.1.4.1.2.3.51.2.22.1.5.2.1') bladestate = getTable('1.3.6.1.4.1.2.3.51.2.22.1.5.1.1').values() index,bladeid,severity,description = (1,2,3,4) good_blades = 0 total_blades = 0 for i,row in enumerate(blades.values()): myIndex = row[index] myBladeid = row[bladeid] mySeverity = row[severity] myDescription = row[description] try: myName = bladestate[i][6] except: myName = "" if mySeverity == "(No severity)": continue add_long( "blade%s (%s): %s %s" % (myBladeid,myName,mySeverity, myDescription) ) total_blades += 1 if mySeverity == 'Good': nagios_status(ok) good_blades += 1 else: nagios_status(warning) add_summary( "blade%s (%s): %s %s. " % (myBladeid,myName,mySeverity, myDescription) ) if good_blades == total_blades: add_summary( "%s out of %s blades in Good health. " % (good_blades, total_blades)) nagios_status(ok) else: nagios_status(warning) def check_systemhealth(): systemhealthstat = snmpget('1.3.6.1.4.1.2.3.51.2.2.7.1.0') summary = getTable('1.3.6.1.4.1.2.3.51.2.2.7.2.1') index,severity,description,date = (1,2,3,4) # Check overall health if systemhealthstat == '255': nagios_status(ok) add_summary("Bladecenter health: OK. ") elif systemhealthstat == "2": nagios_status(warning) add_summary("Non-Critical Error. ") elif systemhealthstat == "4": nagios_status(critical) add_summary("System-Level Error. ") elif systemhealthstat == "0": nagios_status(critical) add_summary("Critical. ") else: nagios_status(unknown) add_summary("Bladecenter health unkown (oid 1.3.6.1.4.1.2.3.51.2.2.7.1.0 returns %s). " % systemhealthstat) for row in summary.values(): if row[severity] == 'Good': nagios_status(ok) elif row[severity] == 'Warning': nagios_status(warning) else: nagios_status(critical) add_summary( "%s. " % (row[description]) ) add_long( "* %s. " % (row[description]) ) def check_temperature(): # set some sensible defaults if opts.warning_threshold is None: opts.warning_threshold = 28 if opts.critical_threshold is None: opts.critical_threshold = 35 str_temp = snmpget('1.3.6.1.4.1.2.3.51.2.2.1.5.1.0') float_temp,measurement = str_temp.split(None, 1) float_temp = float( float_temp ) if opts.critical_threshold is not None and float_temp > opts.critical_threshold: nagios_status(critical) add_summary( "ambient temperature (%s) is over critical thresholds (%s). " % (str_temp, opts.critical_threshold) ) elif opts.warning_threshold is not None and float_temp > opts.warning_threshold: nagios_status(warning) add_summary( "ambient temperature (%s) is over warning thresholds (%s). " % (str_temp, opts.warning_threshold) ) else: add_summary( "Ambient temperature = %s. " % (str_temp) ) add_perfdata( "'ambient_temp'=%s;%s;%s " % (float_temp,opts.warning_threshold,opts.critical_threshold) ) #add_long( "Ambient Temperature = %s" % (str_temp) ) nagios_status(ok) if __name__ == '__main__': try: set_snmp_options() if opts.mode == 'powermodules': check_powermodules() elif opts.mode == 'system-health': check_systemhealth() elif opts.mode == 'temperature': check_temperature() elif opts.mode == 'chassis-status': check_chassis_status() elif opts.mode == 'bladehealth': check_bladehealth() elif opts.mode == 'blowers': check_blowers() elif opts.mode == 'switchmodules': check_switchmodules() else: parser.error("%s is not a valid option for --mode" % opts.mode) except Exception, e: print "Unhandled exception while running script: %s" % e exit(unknown) end()