Nagios Conference 2013 - Michael Medin - NSClient++ Whats New

NSClient++
Whats new?
http://nsclient.org

http://nsclient.org
Monitoring
Simplified

How many use NSClient++
NS-whatdid he say?
?#@*&%!
wrong room!

How many like NSClient++?
..pdh collection thread not running…
ERROR: Missing argument exception
PdhCollectQueryData? failed: : -
2147481643: No data to return.
Failed to query performance counters:
..pdh collection thread not running…
ERROR: Missing argument exception
PdhCollectQueryData? failed: : -
2147481643: No data to return.
Failed to query performance counters:

simple?
CheckEventLog file=application
file=system MaxWarn=1
MaxCrit=1 "filter=generated gt
-2d AND severity NOT IN
('success', 'informational')
AND source != 'SideBySide'"
truncate=800 unique
descriptions
"syntax=%severity%: %source%:
%message% (%count%)"

dev
worked in ops a long time ago
not ops
work with soa not, C/C++, nagios
Michael Medin

agent
Since 2003?
windowslinux and
modular by design
Highly extensible 0.4.1: 2012-10-xx
0.4.2: 2013-10-xx?
<0.4.0
not open coreOpen source
0.4.3: 2014-02-xx?

one-man-band
no company, no commercial version, no payed time

Please
Some times I am busy 

Please
Some times I am busy 
Get your a** over
here and play
NOW!

one-man-band
no company
sponsoring!
donations!
support!
, no commercial version, no payed time

Sockets: ipv6, ssl (true)
New protocols: NRDP, check_mk,Graphite, syslog, smtp
Real-time checks: eventlog, logfiles
Simplified: Command line syntax
Modernized: NRPE, NSCA, check_nt
0.4.1

0.4.1
Build 90 (2013-02-xx)
◦ nsclient-full.ini
◦ Reload from script
◦ (re)added check_filesize (ie. Check_nt –v FILESIZE)
◦ Encoding support for NRPE
◦ New option: scan-range for CheckEventLog
◦ Various minor bug fixes
Build 96 (2013-04-xx)
◦ Reverted external script quoting issues
◦ (re)added check_fileage (ie. Check_nt –v FILEAGE)
◦ Added support for binding to both ipv6 and ipv4
◦ Various minor bug fixes
Build 102 (2013-08-xx)
◦ PDH improvements
◦ Performance data: pass through
◦ Encoding support through out
◦ Various minor bug fixes and enhacements

0.4.2: The goals
Modern Windows support
Simplifiedmonitoring
Real-time monitoring
Linux checks

0.4.2: The STATUS
Modern Windows support
Simplified monitoring
Real-time monitoring
Linux checks NSCP protocol
Check_xxx clients

0.4.2: Some Examples
Check_os_Version
Check_pagefile
Check_process
NO MORE PDH Check_service
Nrpe_client

Level Source … …
Error Word … …
Error Excel … …
Info Word … …
Warning Excel … …
Error App1 … …
Warning App1 … …
Error App3 … …

Error Word … …
Error Excel … …
Info Word … …
Error App1 … …
Error App3 … …
(
)

Error Word … …
Error Excel … …
Info Word … …
Error App1 … …
Error App3 … …
(source or level )

filter = (id NOT IN ('3', '4', '6', '11', '16', '23', '24', '27', '29', '36', '46', '47', '50', '56', '134', '142', '219', '267', '270', '1006', '1009', '1014', '1030', '1035', '1036', '1055', '1058', '1071', '1073',
'1085', '1102', '1110', '1111', '1112', '1131', '1291', '1500', '3095', '5719', '5722', '5783', '5788', '5789', '6008', '7000', '7001', '7003', '7005', '7009', '7011', '7022', '7023', '7024', '7026',
'7030', '7031', '7034', '7038', '7041', '9015', '9018', '9026', '9028', '10009', '10010', '10016', '10149', '12294', '15300', '15301', '24679', '36887', '36888', '40960', '40961', '45056') AND
level IN ('error', 'warning'))
OR (id IN ('3') AND source NOT IN ('FilterManager') AND level IN ('error', 'warning'))
OR (id IN ('4') AND source NOT IN ('q57','L2ND') AND level IN ('error', 'warning')) OR (id IN ('6') AND source NOT IN ('Security-Kerberos') AND level IN ('error', 'warning')) OR (id
IN ('11') AND source NOT IN ('Kerberos-Key-Distribution-Center') AND level IN ('error', 'warning')) OR (id IN ('16') AND source NOT IN ('WindowsUpdateClient') AND level IN ('error',
'warning')) OR (id IN ('23') AND source NOT IN ('Eventlog') AND level IN ('error', 'warning')) OR (id IN ('24') AND source NOT IN ('Time-Service') AND level IN ('error', 'warning')) OR
(id IN ('27') AND source NOT IN ('Eventlog') AND level IN ('error', 'warning')) OR (id IN ('29') AND source NOT IN ('Kerberos-Key-Distribution-Center') AND level IN ('error', 'warning'))
OR (id IN ('36') AND source NOT IN ('Time-Service') AND level IN ('error', 'warning')) OR (id IN ('46') AND source NOT IN ('Time-Service') AND level IN ('error', 'warning')) OR (id IN
('47') AND source NOT IN ('Time-Service') AND level IN ('error', 'warning')) OR (id IN ('50') AND source NOT IN ('TermDD','Time-Service') AND level IN ('error', 'warning')) OR (id IN
('56') AND source NOT IN ('TermDD') AND level IN ('error', 'warning')) OR (id IN ('134') AND source NOT IN ('Time-Service') AND level IN ('error', 'warning')) OR (id IN ('142') AND
source NOT IN ('Time-Service') AND level IN ('error', 'warning')) OR (id IN ('219') AND source NOT IN ('Kernel-pnp') AND level IN ('error', 'warning')) OR (id IN ('267') AND source
NOT IN ('Storage-agents') AND level IN ('error', 'warning')) OR (id IN ('270') AND source NOT IN ('Storage-agents') AND level IN ('error', 'warning')) OR (id IN ('1006') AND source
NOT IN ('DNS Client Events','GroupPolicy') AND level IN ('error', 'warning')) OR (id IN ('1009') AND source NOT IN ('picadm') AND level IN ('error', 'warning')) OR (id IN ('1014') AND
source NOT IN ('DNS Client Events') AND level IN ('error', 'warning')) OR (id IN ('1030') AND source NOT IN ('GroupPolicy') AND level IN ('error', 'warning')) OR (id IN ('1035') AND
source NOT IN ('TerminalServices-RemoteConnectionManager') AND level IN ('error', 'warning')) OR (id IN ('1036') AND source NOT IN ('TerminalServices-RemoteConnectionManager')
AND level IN ('error', 'warning')) OR (id IN ('1055') AND source NOT IN ('GroupPolicy') AND level IN ('error', 'warning')) OR (id IN ('1058') AND source NOT IN ('GroupPolicy') AND
level IN ('error', 'warning')) OR (id IN ('1071') AND source NOT IN ('TerminalServices-RemoteConnectionManager') AND level IN ('error', 'warning')) OR (id IN ('1073') AND source NOT
IN ('USER32') AND level IN ('error', 'warning')) OR (id IN ('1085') AND source NOT IN ('GroupPolicy') AND level IN ('error', 'warning')) OR (id IN ('1102') AND source NOT IN
('SNMP') AND level IN ('error', 'warning')) OR (id IN ('1110') AND source NOT IN ('GroupPolicy') AND level IN ('error', 'warning')) OR (id IN ('1111') AND source NOT IN ('Server Agents')
AND level IN ('error', 'warning')) OR (id IN ('1112') AND source NOT IN ('GroupPolicy') AND level IN ('error', 'warning')) OR (id IN ('1131') AND source NOT IN ('TerminalServices-
RemoteConnectionManager') AND level IN ('error', 'warning')) OR (id IN ('1291') AND source NOT IN ('NIC-agents') AND level IN ('error', 'warning')) OR (id IN ('1500') AND source
NOT IN ('SNMP') AND level IN ('error', 'warning')) OR (id IN ('3095') AND source NOT IN ('Netlogon') AND level IN ('error', 'warning')) OR (id IN ('5719') AND source NOT IN
('Netlogon') AND level IN ('error', 'warning')) OR (id IN ('5722') AND source NOT IN ('Netlogon') AND level IN ('error', 'warning')) OR (id IN ('5783') AND source NOT IN ('Netlogon')
AND level IN ('error', 'warning')) OR (id IN ('5788') AND source NOT IN ('Netlogon') AND level IN ('error', 'warning')) OR (id IN ('5789') AND source NOT IN ('Netlogon') AND level
IN ('error', 'warning')) OR (id IN ('6008') AND source NOT IN ('Eventlog') AND level IN ('error', 'warning')) OR (id IN ('7000') AND source NOT IN ('service control manager') AND
level IN ('error', 'warning')) OR (id IN ('7001') AND source NOT IN ('service control manager') AND level IN ('error', 'warning')) OR (id IN ('7003') AND source NOT IN ('service control
manager') AND level IN ('error', 'warning')) OR (id IN ('7005') AND source NOT IN ('service control manager') AND level IN ('error', 'warning')) OR (id IN ('7009') AND source NOT IN
('service control manager') AND level IN ('error', 'warning')) OR (id IN ('7011') AND source NOT IN ('service control manager') AND level IN ('error', 'warning')) OR (id IN ('7022') AND
source NOT IN ('service control manager') AND level IN ('error', 'warning')) OR (id IN ('7023') AND source NOT IN ('service control manager') AND level IN ('error', 'warning')) OR (id IN
('7024') AND source NOT IN ('service control manager') AND level IN ('error', 'warning')) OR (id IN ('7026') AND source NOT IN ('service control manager') AND level IN ('error',
'warning')) OR (id IN ('7030') AND source NOT IN ('service control manager') AND level IN ('error', 'warning')) OR (id IN ('7031') AND source NOT IN ('service control manager') AND
strings not like 'citrix' AND level IN ('error', 'warning')) OR (id IN ('7034') AND source NOT IN ('service control manager') AND level IN ('error', 'warning')) OR (id IN ('7038') AND source
NOT IN ('service control manager') AND level IN ('error', 'warning')) OR (id IN ('7041') AND source NOT IN ('service control manager') AND level IN ('error', 'warning')) OR (id IN
('9015') AND source NOT IN ('Metaframe') AND level IN ('error', 'warning')) OR (id IN ('9018') AND source NOT IN ('Metaframe') AND level IN ('error', 'warning')) OR (id IN ('9026')
AND source NOT IN ('Metaframe') AND level IN ('error', 'warning')) OR (id IN ('9028') AND source NOT IN ('Metaframe') AND level IN ('error', 'warning')) OR (id IN ('10009') AND
source NOT IN ('DistributedCOM') AND level IN ('error', 'warning')) OR (id IN ('10010') AND source NOT IN ('DistributedCOM') AND level IN ('error', 'warning')) OR (id IN ('10016')
AND source NOT IN ('DistributedCOM') AND level IN ('error', 'warning')) OR (id IN ('10149') AND source NOT IN ('WindowsRemoteManagement') AND level IN ('error', 'warning')) OR
(id IN ('12294') AND source NOT IN ('Directory-Services-SAM') AND level IN ('error', 'warning')) OR (id IN ('15300') AND source NOT IN ('HTTPEVENT') AND level IN ('error',
'warning')) OR (id IN ('15301') AND source NOT IN ('HTTPEVENT') AND level IN ('error', 'warning')) OR (id IN ('24679') AND source NOT IN ('Cissesrv') AND level IN ('error',
'warning')) OR (id IN ('36887') AND source NOT IN ('Schannel') AND level IN ('error', 'warning')) OR (id IN ('36888') AND source NOT IN ('Schannel') AND level IN ('error',
'warning')) OR (id IN ('40960') AND source NOT IN ('LSASRV') AND level IN ('error', 'warning')) OR (id IN ('40961') AND source NOT IN ('LSASRV') AND level IN ('error',
'warning')) OR (id IN ('45056') AND source NOT IN ('LSASRV') AND level IN ('error', 'warning'))

Numbers, constants etc
Key Safe Key Description
= eq Equals
!= ne Not equals
> gt Greater than
< lt Less than
>= ge Greater or equal than
<= le Less or equal than
in ( <LIST OF VALUES>) In a given list
not in (…) Not in a given list

Strings
Key Safe Key Description
= eq Equals
!= ne Not equals
> gt Greater than
< lt Less than
>= ge Greater or equal than
<= le Less or equal than
in ( <LIST OF VALUES>) In a given list
not in (…) Not in a given list
like Substring matching
regexp Regular expression
not like Opposite of like
not regexp Opposite of regexp

All good things are three!
Filter
Warning
Critical
Ok

Display
Custom strings
Supports
top- and detail-syntax

Display
detail- ${source}
top- ${list}
Hello: s: App1, s: App1, s: App3

check_pagefile
"filter=name = 'total
check_uptime
"warn=uptime< -
"crit=uptime< -
check_processprocess=explorer.exe
"warn=working_set > 70m"
"detail-syntax=${exe} ws:${working_set},handles: ${handles},user time:${user

Let me guess
This all seems Like
a lot of typing!

Active monitoring!
Monitored Server
(Windows)
Monitoring Server
(Nagios)
check_cpu
check_uptime
check_mem
check_eventlog
check_updates
...
...
Monitored Server
(Windows)
Monitoring Server
(Nagios)
check_cpu
check_uptime
check_mem
check_eventlog
check_updates
...
...

Monitored Server
(Windows)
Monitoring Server
(Nagios)
check_cpu
check_uptime
check_mem
check_eventlog
check_updates
...
...
Monitored Server
(Windows)
Monitoring Server
(Nagios)
check_cpu
check_uptime
check_mem
check_eventlog
check_updates
...
...
Passive monitoring!

Real-time monitoring!
Monitored Server
(Windows)
Monitoring Server
(Nagios)
Error detected in eventlog
Everything is ok
Monitored Server
(Windows)
Monitoring Server
(Nagios)
Error detected in eventlog
Everything is ok

CheckLogFile
NSClient++ Core
Linux Kernel
FILE
NSCA NSCAClient
SimpleFileWriter
File
CheckLogFile
NSClient++ Core
Linux Kernel
FILE
NSCA NSCAClient
SimpleFileWriter
File
No CPU overhead
Notified instantly
Powerful filtering

CheckLogFile
NSClient++ Core
Linux Kernel
FILE
NSCA NSCAClient
SimpleFileWriter
File
CheckLogFile
NSClient++ Core
Linux Kernel
FILE
NSCA NSCAClient
SimpleFileWriter
File
[/modules]
CheckLogFile = enabled
NSCAClient = enabled
SimpleFileWriter = enabled
[/settings/logfile/real-time/checks/my_check]
destination = FILE,NSCA
file = test.txt
warning = column1 like ‘warn’
critical = column2 like ‘crit’
[/settings/NSCA/client/targets/default]
address = 10.11.12.13
encryption = aes
password = secreter

CheckLogFile
NSClient++ Core
Linux Kernel
FILE
NSCA NSCAClient
SimpleFileWriter
SimpleCacheCACHE
NRPEServer
CheckLogFile
NSClient++ Core
Linux Kernel
FILE
NSCA NSCAClient
SimpleFileWriter
SimpleCacheCACHE
NRPEServer
No CPU overhead
Powerful filtering
Stored in cache
Check latest result Fetched instantly

CheckLogFile
NSClient++ Core
Linux Kernel
FILE
NSCA NSCAClient
SimpleFileWriter
SimpleCacheCACHE
NRPEServer
CheckLogFile
NSClient++ Core
Linux Kernel
FILE
NSCA NSCAClient
SimpleFileWriter
SimpleCacheCACHE
NRPEServer
[/modules]
CheckLogFile = enabled
SimpleCache = enabled
NRPEServer = enabled
[/settings/logfile/real-time/checks/my_check]
destination = CACHE
file = test.txt
warning = column1 like ‘warn’
critical = column2 like ‘crit’
[/settings/NRPE/server]
allowed hosts = 10.11.12.13
allow arguments = true

Two options:
1, store/fetch from cache
2, submit passively
but not to Nagios!

apt-get
git clone git://github.com/mickem/nscp.git
mkdir build ; cd build
cmake ../nscp
make

Manually install visual studio, python and cmake
Download and unpack nscp source
python nscpbuildpythonfetchdeps.py
--target x64 --cmake-config dist
cmake ../nscp
msbuild /p:Configuration=RelWithDebInfo NSCP.sln

Please help with packages!
I will give you free* beer!
*Free as in your free to buy it your self!

Native
Secure
Simple
FastLight weight
A work in progress

check_service computer=192.168.0.1
check_disk drive=192.168.0.1c$
check_task_sched computer=192.168.0.1
check_wmi computer=192.168.0.1

Light weight remote deployable agent
Same as psexec
check_cpu
check_memory
check_process
External scripts!

Information about NSClient++
http://nsclient.org
facebook.com/nsclient
Slides, and examples
http://nsclient.org/nscp/conferances/nwc/2013/
My Blog
http://blog.medin.name

Nagios Conference 2013 - Michael Medin - NSClient++ Whats New

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