Nagios plugins
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Last update : Jun24 2006 This page is been migrated on the wiki : http://nagios.manubulon.com/wiki/index.php/Commands-host-url It will remain until all has been migrated. Commands Here are commands example to use my scripts with nagios. It's only the basic things you can do, check the help of every script if you need more advanced features especially if you need performance outputs. The command definitions are complete, but not the service definitions : you must add host name, contact groups, etc.... All these commands use $USER<n>$ macros to put snmp login. The reason for this is that the ressources.cfg file cannot be read by the CGI, preventing your "passwords" to be seen with the config. You must set the $USER7$ or $USER8$ to make these examples work. The $USER<n>$ macro are defined in the resources.cfg file SNMP login with $USER<n>$ About regular expressions Configuration examples of check_snmp_boostedge.pl check_snmp_cpfw.pl check_snmp_css.pl & check_snmp_css_main.pl check_snmp_env.pl check_snmp_linkproof_nhr.pl check_snmp_load.pl check_snmp_interface.pl check_snmp_mem.pl check_snmp_nsbox.pl check_snmp_process.pl check_snmp_storage.pl check_snmp_vrrp.pl check_snmp_win.pl Checks you can make by host type SNMP login For more information, you can have a look at information on snmp login If you are using snmp v1 : $USER7$=-C <community> If you are using snmp v2c : $USER7$=-C <community> -2 or you can use $USER9$ if you need both v1 and v2c. Examples of snmp v3 login : AuthNoPriv (md5) : $USER8$=-l <login> -x <pass> AuthPriv (md5,aes) : $USER8$=-l <login> -x <pass> -X <pass> -L md5,aes About regular expressions With all these scripts, when you select an interface, a service or process name etc... you use by default regular expresions : Note : you can disable this by using "-r" Examples : Don't forget it is perl regular expressions.
Regexp | Will match
eth | eth0, eth1, eth2 but also Fastethernet0/0 ....
eth[1-9] | eth1, eth2, ... eth9 but also eth10, eth11
eth[1-2]$ | eth1, eth2 only (not eth11 for ex).
dhcp | dhcpc, dhpcd
check_snmp_boostedge.pl
Command | check_snmp_boostedge
Nagios cmd | define command{ command_name check_snmp_boostedge_v1 command_line $USER1$/check_snmp_boostedge.pl -H $HOSTADDRESS$ $USER7$ -s $ARG1$ -n $ARG2$ $ARG3$ }
Arguments | ARG1 : Service name (regexp) ARG2 : Number of services selected by regexp which must be in running & enabled state ARG3 : additional arguments if needed.
Service | boostedge_services : checks is there is 3 active & enabled service matching "test" with snmp v2c
Nagios service | define service { name boostedge_services check_command check_snmp_boostedge_v1!test!3!-2 }
check_snmp_cpfw.pl
Command | check_cpfw1_v3
Nagios cmd | define command{ command_name check_cpfw1_v3 command_line $USER1$/check_snmp_cpfw.pl -H $HOSTADDRESS$ $USER8$ $ARG1$ }
Arguments | ARG1 : all arguments.
Service | checkpoint_verification : checks high availability cluster, with policy "CP_Policy" installed, and warning at 100000 connexions, critical at 200000 CP_Management : checks management station
Nagios service | define service { name checkpoint_verification check_command check_cpfw1_v3!-swa -p CP_Policy -c 100000,200000 -f }
Nagios service | define service { name CP_Management service_description CPFW1 management check_command check_cpfw1_v3!-sm }
check_snmp_css.pl & check_snmp_css_main.pl
Command | check_snmp_css_main : get index from the host, services are then checked using check_snmp_css_indexed (snmpv2) check_snmp_css_indexed : check services indexed by check_snmp_css_main (snmpv2) check_snmp_css : directly read index & data from the host (snmpv2)
Nagios cmd | define command{ command_name check_snmp_css_main command_line $USER1$/check_snmp_css_main.pl -H $HOSTADDRESS$ $USER7$ -2 }
Nagios cmd | define command{ command_name check_snmp_css_indexed command_line $USER1$/check_snmp_css.pl -H $HOSTADDRESS$ $USER7$ -2 -d -n $ARG1$ -w $ARG2$ -c $ARG3$ $ARG4$ }
Nagios cmd | define command{ command_name check_snmp_css command_line $USER1$/check_snmp_css.pl -H $HOSTADDRESS$ $USER7$ -2 -n $ARG1$ -w $ARG2$ -c $ARG3$ $ARG4$ }
Arguments | ARG1 : regexp of service(s) to check ARG2 : warning level for : minimum number of active & alive service , average response time, number of connexions ARG3 : critical level for : minimum number of active & alive service , average response time, number of connexions ARG4 : additional arguments if needed.
Service | css_index_file_create : This is a "fake" service, which only creates index file in /tmp. It normally returns the number of services it indexes, or an error if he can't. css_verif_TEST : checks at least 2 services mathnig TEST are up. Warning if 1, critical if 0. This service uses the index file created by css_index_file_create, and returns UNKNOWN if it can't find it. css_verif_TEST2 : checks at least 2 services mathnig TEST2 are up. Warning if 1, critical if 0. This service doesn't use an index file.
Nagios service | define service { name css_index_file_create check_command check_snmp_css_main }
Nagios service | define service { name css_verif_TEST check_command check_snmp_css_indexed!"TEST"!1!0 }
Nagios service | define service { name css_verif_TEST2 check_command check_snmp_css!"TEST2"!1!0 }
check_snmp_env.pl
Command | check_snmp_env (snmpv1) check_snmp_env_v3 (snmpv3)
Nagios cmd | define command{ command_name check_snmp_env command_line $USER1$/check_snmp_env.pl -H $HOSTADDRESS$ $USER7$ -T $ARG1$ $ARG2$ }
Nagios cmd | define command{ command_name check_snmp_env_v3 command_line $USER1$/check_snmp_env.pl -H $HOSTADDRESS$ $USER8$ -T $ARG1$ $ARG2$ }
Arguments | ARG1 : type (cisco|nokia|bc|iron) ARG2 : additional arguments if needed.
Service | ironport_env : checks ironport fans RPM > 1500 and temp < 70 deg celcius nokia_env : checks nokia IP fans and power supply status cisco_env : checks cisco fans and power supply status
Nagios service | define service { name ironport_env check_command check_snmp_env!iron!-F 1500 -c 70 }
Nagios service | define service { name nokia_env check_command check_snmp_env_v3!nokia }
Nagios service | define service { name cisco_env check_command check_snmp_env_v3!cisco }
check_snmp_linkproof_nhr.pl
Command | check_snmp_lp_nhr_v3 (snmpv3 and performance output)
Nagios cmd | define command{ command_name check_snmp_lp_nhr_v3 command_line $USER1$/check_snmp_linkproof_nhr.pl -H $HOSTADDRESS$ $USER8$ -f }
Arguments | None
Service | linkproof_nhr : returns WARNING if one nhr at least is in "no new session" or "inactive" mode. CRITICAL if all nhr are inactive.
Nagios service | define service { name linkproof_nhr check_command check_snmp_lp_nhr_v3 }
check_snmp_load.pl
Command | check_snmp_load_v1 : using snmpv1 (or v2 depending on $USER7$ value) check_snmp_load_v3 : using snmpv3
Command | define command{ command_name check_snmp_load_v1 command_line $USER1$/check_snmp_load.pl -H $HOSTADDRESS$ $USER7$ -T $ARG1$ -w $ARG2$ -c $ARG3$ $ARG4$ }
Command | define command{ command_name check_snmp_load_v3 command_line $USER1$/check_snmp_load.pl -H $HOSTADDRESS$ $USER8$ -T $ARG1$ -w $ARG2$ -c $ARG3$ $ARG4$ }
Arguments | ARG1 : host type (stand,netsc,netsl,as400,cisco,cata,nsc,fg,bc,nokia,hp,lp,hpux) ARG2 : warning level ARG3 : critical level ARG4 : additional arguments if needed.
Service | bluecoat_load : Bluecoat cpu usage Linux_load : Linux load (1min, 5 min, 15 min) Cisco_load : Cisco cpu usage lp_load : Radware Linkproff cpu usage
Service | define service { name bluecoat_load check_command check_snmp_load_v1!bc!95!99 }
Service | define service { name Linux_load check_command check_snmp_load_v1!netsl!4,3,3!8,5,5 }
Service | define service { name Cisco_load check_command check_snmp_load_v1!cisco!90,80,60!100,100,100 }
Service | define service { name lp_load check_command check_snmp_load_v1!lp!90!99 }
check_snmp_interface.pl
Command | check_snmp_int_v1 : using snmpv1 check_snmp_int_v3 : using snmpv3
Command | define command{ command_name check_snmp_int_v1 command_line $USER1$/check_snmp_int.pl -H $HOSTADDRESS$ $USER7$ -n $ARG1$ $ARG2$ }
Command | define command{ command_name check_snmp_int_v3 command_line $USER1$/check_snmp_int.pl -H $HOSTADDRESS$ $USER8$ -n $ARG1$ $ARG2$ }
Arguments | ARG1 : regexp of interface ARG2 : additional arguments if needed.
Service | check_int_1_6: Checks FastEthernet 1 to 6 are up (snmpv1) check_int_eth0_bdw : Checks input bandwith on eth1 is < 100 KBytes/s and output is < 50 Kbytes/s (critical at 0,0 means no critical levels). (snmpv3)
Service | define service { name check_int_1_6 check_command check_snmp_int_v1!"FastEthernet-[1-6]" }
Service | define service { name check_int_eth0_bdw check_command check_snmp_int_v3!eth0!-k -w 100,50 -c 0,0 }
check_snmp_mem.pl
Command | check_snmp_mem
Command | define command{ command_name check_snmp_mem_v1 command_line $USER1$/check_snmp_mem.pl -H $HOSTADDRESS$ $USER7$ $ARG1$ -w $ARG2$ -c $ARG3$ $ARG4$ }
Command | define command{ command_name check_snmp_mem_v3 command_line $USER1$/check_snmp_mem.pl -H $HOSTADDRESS$ $USER8$ $ARG1$ -w $ARG2$ -c $ARG3$ $ARG4$ }
Arguments | ARG1 : Host type (-N, -I, -E) ARG2 : warning level(s) ARG3 : critical level(s) ARG4 : additional arguments if needed.
Service | Linux_memory : warning at 95% memory used and 60% swap used, critical at 99% mem and 90% swap Cisco_mem : warning at 80% used, critical at 99% used.
Service | define service { name Linux_memory check_command check_snmp_mem_v1!-N!95,60!99,90 }
Service | define service { name Cisco_mem check_command check_snmp_mem_v1!-I!80!99 }
check_snmp_nsbox.pl
Command | check_snmp_nsbox (snmpv1 or v2c)
Nagios cmd | define command{ command_name check_snmp_nsbox command_line $USER1$/check_snmp_nsbox.pl -H $HOSTADDRESS$ $USER7$ -d $ARG1$ -s $ARG2$ -n $ARG3$ $ARG4$ }
Arguments | ARG1 : Diode name (regexp) ARG2 : Vhost name (regexp) ARG3 : Number of diodes and vhost that must be up ARG4 : additional arguments if needed.
Service | check_service_nsbox : checks using snmpv2 - 6 diodes matching "diode_name" are up - 3 vhosts matching "vhost_name" are up
Nagios service | define service { name check_service_nsbox check_command check_snmp_nsbox_v1!diode_name!vhost_name!6,3!-2 }
check_snmp_process.pl
Command | check_snmp_process
Command | define command{ command_name check_snmp_process_v1 command_line $USER1$/check_snmp_process.pl -H $HOSTADDRESS$ $USER7$ -n $ARG1$ -w $ARG2$ -c $ARG3$ $ARG4$ }
Arguments | ARG1 : regexp of process name ARG2 : warning level(s) ARG3 : critical level(s) ARG4 : additional arguments if needed.
Services | proxy_checks : checks with snmpv2 (-2 option) that there is more than 21 process matching "proxy", but no more than 1999 (critical at 20 & 2000) Check_httpd_all : Checks that process matching "httpd" - Process number is > 5 and < 100 (or returns warning) - Process number is > 0 (or returns critical) - Memory used (by httpd process using the max memory) is < 20 Mbytes or < 30 Mbytes - Cpu used (by all process together) is < 90% or 99%. check_crontab : checks crontab is running (critical if not, no warnings).
Service | define command { name proxy_checks check_command check_snmp_process_v1!proxy!21,1999!20,2000!-2 }
Service | define command { name Check_httpd_all check_command check_snmp_process_v1!httpd!5,100!0!-2 -m 20,30 -u 90,99 }
Service | define service { name check_crontab check_command check_snmp_process!crond!0!0 }
check_snmp_storage.pl
Command | check_snmp_storage
Command | define command{ command_name check_snmp_storage_v1 command_line $USER1$/check_snmp_storage.pl -H $HOSTADDRESS$ $USER7$ -m $ARG1$ -w $ARG2$ -c $ARG3$ $ARG4$ }
Command | define command{ command_name check_snmp_storage_v3 command_line $USER1$/check_snmp_storage.pl -H $HOSTADDRESS$ $USER8$ -m $ARG1$ -w $ARG2$ -c $ARG3$ $ARG4$ }
Arguments | ARG1 : regexp of storage name ARG2 : warning level ARG3 : critical level ARG4 : additional arguments if needed.
Service | Check_LinDisk_home : Checks "/home" mountpoint (and only this one because of -r) usage < 90 and 97 %
| define service { name Check_LinDisk_home service_description Verification /home check_command check_snmp_storage_v3!/home!90!97!-r }
Service | Win_check_swap : Checks virtual (ram+swap) mem on windows < 60% or 90%
| define command { name Win_check_swap service_description Verification swap Windows check_command check_snmp_storage_v3!Virtual!60!90 }
Service | check_linux_swap : checks Linux swap < 60 and 90%
| define command { name check_linux_swap service_description Verfication swap linux check_command check_snmp_storage_v1!Swap!60!90! }
Service | check_disk_all : Checks that "/", "/opt" , "/var", "/config" mountpoints usage is < 80 and 90%
| define command { name check_disk_all service_description Verification / /opt /var /config check_command check_snmp_storage_v1!"^/$|opt|config|var"!80!90! }
check_snmp_vrrp.pl
Command | check_snmp_vrrp
Command | define command{ command_name check_snmp_vrrp_v1 command_line $USER1$/check_snmp_vrrp.pl -H $HOSTADDRESS$ $USER7$ -T $ARG1$ -s $ARG2$ }
Command | define command{ command_name check_snmp_vrrp_v3 command_line $USER1$/check_snmp_vrrp.pl -H $HOSTADDRESS$ $USER8$ -T $ARG1$ -s $ARG2$ }
Arguments | ARG1 : Host type (nokia, alteon, lp, nsc, ipso) ARG2 : state (master or backup) or number of members, max % assigned to nodes (for ipso).
Service | Linkproof_check_vrrp_master : Checks that all interface are in master state
Service | define service { name Linkproof_check_vrrp_master check_command check_snmp_vrrp_v3!lp!master }
Service | Nokia_check_vrrp_backup : Checks that all interface are in backup state
Service | define service { name Linkproof_check_vrrp_backup check_command check_snmp_vrrp_v3!lp!backup }
Service | Nokia_clustering : checks that nokia cluster has 2 members and that the load assigned to each member < 98%
Service | define service { name Nokia_clustering check_command check_snmp_vrrp_v3!ipso!2,98% }
check_snmp_win.pl
Command | check_snmp_win
Nagios | define command { command_name check_win command_line $USER1$/check_snmp_win.pl -H $HOSTADDRESS$ $USER7$ -n $ARG1$ # comment community service(s) name }
Service | check_win_dhcp : Checks dhcp service is running
Nagios | define service { name check_win_dhcp service_description Checks dhcp service is running check_command check_win!dhcp }
Service | check_win_reg_spool: Checks registery access & print spool is active (French windows !!)
Nagios | define service { name check_win_reg_spool service_description Checks registery access & print spool is active check_command check_win!"au registre",spouleur }
Checks you can make by host type N/A : nothing of this type to check SNMP : yes with simple snmp query ?? : not tested because useless most of the time. Specific : name of the script to look at for platform specific checks.
Host type | Interface | storage | load/cpu | mem | process | env | specific
Linux | Yes | Yes | Yes | Yes | Yes | No |
Windows | Yes | Yes | Yes | Yes | Yes | No | check_snmp_win.pl
Cisco router/switch | Yes | N/A | Yes | Yes | N/A | Yes |
HP router/switch | Yes | N/A | Yes | Yes | N/A | No |
Bluecoat proxy | Yes | snmp | Yes | snmp | No | Yes |
CheckPoint on SPLAT | Yes | Yes | Yes | Yes | Yes | No | check_snmp_cpfw.pl
CheckPoint on Nokia IP | Yes | Yes | Yes | No | ?? | No | check_snmp_vrrp.pl
Boostedge | Yes | Yes | Yes | Yes | ?? | No | check_snmp_boostedge.pl
AS400 | Yes | Yes | Yes | Yes | No | No |
NetsecureOne Netbox | Yes | Yes | Yes | ?? | Yes | No |
Radware Linkproof | Yes | N/A | snmp | snmp | No | No | check_snmp_linkproof_nhr check_snmp_vrrp.pl
IronPort | Yes | snmp | snmp | snmp | No | Yes |
Cisco CSS | Yes | ?? | Yes | Yes | No | ?? | check_snmp_css.pl
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