Re: Squid monitor script

> -----Original Message-----
> From: Ali Resting [mailto:[email protected]] 
> Sent: Wednesday, April 11, 2007 17:32
> To: Nauwelaerts, Nick (TCM); [email protected]
> Subject: RE: [cricket-users] Squid monitor script
> 
> I am looking at monitoring the following:
> 
> Page Fault Rate
> HTTP Request Rate
> Denied Requests (HTTP and ICP)
> HTTP Service Time
> DNS Service Time
> Open File Descriptors
> CPU Usage
> Free Disk Space
> Hit Ratio
> 
> Regards,
> 
> Ali 
> 
> -----Original Message-----
> From: [email protected] 
> [mailto:[email protected]] 
> Sent: 11 April 2007 05:14 PM
> To: [email protected]; [email protected]
> Subject: RE: [cricket-users] Squid monitor script
> 
> > -----Original Message-----
> > From: [email protected]
> > [mailto:[email protected]] On 
> Behalf Of Ali 
> > Resting
> > Sent: Wednesday, April 11, 2007 17:10
> > To: [email protected]
> > Subject: [cricket-users] Squid monitor script
> > 
> > Hi All,
> >  
> > I am looking for a cricket script to monitor Squid 2.5 and 2.6
> 
> What do you want to monitor?
> 
> You can use a modified version of the test-url script which 
> is provided with
> the cricket distribution to get response times. And you can 
> activate snmp
> support in squid to get some readings from that, but some of 
> them seem to be
> a bit wonky.

Well, if you enable squid's snmp support you can most of that easily.

http://wiki.squid-cache.org/SquidFaq/SquidSnmp should get you started,
there are some mrtg demos there which should translate easily into a
cricket configuration.

When I gave it a look this was what interested me (as a cricket config
file):

target	--default--
	directory-desc	=	"squid runtime information"
	snmp-community	=	public
	snmp-host	=	%auto-target-name%
	snmp-port	=	3401
	target-type	=	squid-proxy


OID	ClientHttpRequests		1.3.6.1.4.1.3495.1.3.2.1.1
OID	HttpHits			1.3.6.1.4.1.3495.1.3.2.1.2
OID	HttpErrors			1.3.6.1.4.1.3495.1.3.2.1.3
OID	HttpInKb			1.3.6.1.4.1.3495.1.3.2.1.4
OID	HttpOutKb			1.3.6.1.4.1.3495.1.3.2.1.5
OID	CurrentSwapSize			1.3.6.1.4.1.3495.1.3.2.1.14
OID	MemUsage			1.3.6.1.4.1.3495.1.3.1.4
OID	CpuUsage			1.3.6.1.4.1.3495.1.3.1.5
OID	NumObjCount			1.3.6.1.4.1.3495.1.3.1.7


datasource	--default--
	rrd-ds-type	=	DERIVE
	rrd-heartbeat   =	1800
	rrd-min		=	0
	rrd-max		=	undef

datasource	ClientHttpRequests
	ds-source	=	snmp://%snmp%/ClientHttpRequests

datasource	HttpHits
	ds-source	=	snmp://%snmp%/HttpHits

datasource	HttpErrors
	ds-source	=	snmp://%snmp%/HttpErrors

datasource	HttpInKb
	ds-source	=	snmp://%snmp%/HttpInKb

datasource	HttpOutKb
	ds-source	=	snmp://%snmp%/HttpOutKb

datasource	CurrentSwapSize
	ds-source	=	snmp://%snmp%/CurrentSwapSize

datasource	 MemUsage
	ds-source	=	snmp://%snmp%/MemUsage
	rrd-ds-type = GAUGE

datasource	 CpuUsage
	ds-source	=	snmp://%snmp%/CpuUsage

datasource	 NumObjCount
	ds-source	=	snmp://%snmp%/NumObjCount
	rrd-ds-type = GAUGE


view		swapsize
	elements	=	"CurrentSwapSize"

view		httprequests
	elements	=	"ClientHttpRequests HttpHits HttpErrors"

view		httptraffic
	elements	=	"HttpInKb HttpOutKb"

view		memusage
	elements	=	"MemUsage"

view		cpuusage
	elements	=	"CpuUsage"

view		objcount
	elements	=	"NumObjCount"


targetType	squid-proxy
	ds	=	"ClientHttpRequests, HttpHits, HttpErrors,
HttpInKb, HttpOutKb,
			CurrentSwapSize, MemUsage, CpuUsage,
NumObjCount"
	view	=	"swapsize, httprequests, httptraffic, memusage,
cpuusage, objcount"


graph		--default--
	draw-as		=	line1
	si-units	=	false

graph		ClientHttpRequests
	legend		=	"client http requests"
	units		=	"requests/sec"
	y-axis		=	"http request info"

graph		CpuUsage
	legend		=	"cpu usage"
	units		=	"percent"
	y-axis		=	"cpu usage"

graph		CurrentSwapSize
	legend		=	"storage swap size"
	units		=	""
	y-axis		=	"storage swap size"

graph		HttpErrors
	legend		=	"http errors"
	units		=	"errors/sec"

graph		HttpHits
	legend		=	"cache hits"
	units		=	"hits/sec"

graph		HttpInKb
	legend		=	"incoming http traffic"
	units		=	"kilobytes/sec"
	y-axis		=	"http traffic"

graph		HttpOutKb
	legend		=	"outgoing http traffic"
	units		=	"kilobytes/sec"

graph		MemUsage
	legend		=	"memory usage"
	units		=	"kilobytes"
	y-axis		=	"memory usage"

graph		NumObjCount
	legend		=	"objects in the cache"
	units		=	"objects"
	y-axis		=	"objects in the cache"


// nick

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