#!/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 is None: parser.error("Hostname (-H) is required.") if opts.mode is 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 def runCommand(command): '''runCommand: Runs command from the shell prompt. Exit Nagios style if unsuccessful''' 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)) if opts.exclude: if myDescription.find(opts.exclude) > -1: continue 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) # Sometimes chassis delivers warning when absolutely nothing is going on. # Lets work around that workaround = {1: '1', 2: 'Good', 3: 'No critical or warning events', 4: 'No timestamp'} # Check overall health if systemhealthstat == '255': nagios_status(ok) add_summary("Bladecenter health: OK. ") elif systemhealthstat == "2": if summary.values() == workaround: add_summary("Non-Critical Error: %s " % workaround[0][description]) nagios_status(ok) return 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) elif row[severity] == 'System Level': 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()