[Xymon] Graphing in Xymon
Ralph Mitchell
ralphmitchell at gmail.com
Fri Sep 6 17:07:15 CEST 2019
Could be wrong, but I think the graphs need two or three data points in
order to show anything.
Ralph Mitchell
On Fri, Sep 6, 2019 at 9:47 AM Root, Paul T <Paul.Root at centurylink.com>
wrote:
> Looking in the rrd file, it doesn't seem like there are the historical
> data in the file.
>
> The data is only going to change once a day, so I was only calling the
> script once a day.
>
> I'm going to run the xymon script every hour to see if that gets the pump
> primed, and give me more data.
>
> Does the graphing thing need more frequent data?
>
>
> -----Original Message-----
> From: Xymon <xymon-bounces at xymon.com> On Behalf Of Root, Paul T
> Sent: Friday, September 06, 2019 8:28 AM
> To: 'Japheth Cleaver' <cleaver at terabithia.org>; 'Stef Coene' <
> stef.coene at docum.org>; xymon at xymon.com
> Subject: Re: [Xymon] Graphing in Xymon
>
> No difference.
>
> I didn't restart xymon for that, just removed the --no-cache from the
> lines in tasks.cfg , and killed the rrd processes.
>
>
> -----Original Message-----
> From: Japheth Cleaver <cleaver at terabithia.org>
> Sent: Thursday, September 05, 2019 5:19 PM
> To: Root, Paul T <Paul.Root at CenturyLink.com>; 'Stef Coene' <
> stef.coene at docum.org>; xymon at xymon.com
> Subject: Re: [Xymon] Graphing in Xymon
>
> Hmm.
>
> That's definitely odd, but if at least some of the graphs are showing
> then it's not an overall systemic issue. Have you tried removing the
> --no-cache from the RRD calls by any chance?
>
> -jc
>
> On 9/5/2019 1:48 PM, Root, Paul T wrote:
> > Those files look ok
> >
> > $ fuser *
> > rrdctl.2339: 2339
> > rrdctl.2437: 2437
> > $ ps -ef |grep 2339
> > xymon 2339 2323 0 15:09 ? 00:00:09 xymond_rrd
> --rrddir=/var/lib/xymon/rrd --no-cache
> > root 5083 4674 0 15:43 pts/0 00:00:00 grep 2339
> > $ ps -ef |grep 2437
> > xymon 2437 2324 0 15:09 ? 00:00:00 xymond_rrd
> --rrddir=/var/lib/xymon/rrd --no-cache
> > root 5086 4674 0 15:43 pts/0 00:00:00 grep 2437
> > $ ls -la
> > total 19964
> > drwxr-xr-x. 2 xymon xymon 4096 Sep 5 15:39 .
> > drwxr-xr-x. 12 xymon xymon 4096 Mar 1 2016 ..
> > -rw-rw-r--. 1 xymon xymon 52136 Sep 5 15:43 alert.chk
> > -rw-rw-r--. 1 xymon xymon 96 Sep 5 15:43 alert.chk.sub
> > -rw-r--r--. 1 xymon xymon 24 Sep 5 15:39 ping..status
> > srw-rw-rw-. 1 xymon xymon 0 Sep 5 15:09 rrdctl.2339
> > srw-rw-rw-. 1 xymon xymon 0 Sep 5 15:09 rrdctl.2437
> > -rw-r--r--. 1 xymon xymon 22 Oct 19 2018 ssh_8022..status
> > -rw-r--r--. 1 xymon xymon 20366660 Sep 5 15:39 xymond.chk
> >
> > Selinux is set to permissive.
> >
> > Most graphs are working for other tests. Some complicated ones with
> variable data points. I didn't set those up, but they are working well.
> >
> > -----Original Message-----
> > From: Japheth Cleaver <cleaver at terabithia.org>
> > Sent: Thursday, September 05, 2019 3:33 PM
> > To: Root, Paul T <Paul.Root at CenturyLink.com>; 'Stef Coene' <
> stef.coene at docum.org>; xymon at xymon.com
> > Subject: Re: [Xymon] Graphing in Xymon
> >
> > This is probably a sign of invalid rrdctl socket files, as that's what
> > showgraph is trying to use to communicate with xymond_rrd.
> >
> > These should be in the TMP/RUN dir on a source compile, named
> > "rrdctl.<pid>", one for each of the currently running xymond_rrd
> > processes (usually two,m one for status, one for data). They'll need to
> > be writable by your apache user at least, and SELinux may require
> > additional permissions for the sendto if you have it enabled and
> > enforcing. If you see lots of stale ones, be sure to remove them -- as
> > showgraph.sh doesn't know what's current, I believe it tries to cycle
> > through all of them, which could end up in timeouts.
> >
> > Regardless, premature header ending isn't a desired result no matter
> > what the situation. Trying to find all cases of this is a longer term
> > goal for all the CGIs.
> >
> > HTH,
> > -jc
> >
> > On 9/5/2019 1:16 PM, Root, Paul T wrote:
> >> Ah,
> >> I wasn't thinking about apache logs, I was looking in xymon
> logs. Yes, errors:
> >>
> >>
> >> [Thu Sep 05 15:12:22 2019] [error] [client 10.139.63.193] 2019-09-05
> 15:12:22.832251 Sendto failed: Connection refused, referer:
> https://nsmdenvp117.corp.intranet/xymon-cgi/svcstatus.sh?HOST=nsmdenvp185&SERVICE=ConfigPulls
> >> [Thu Sep 05 15:12:22 2019] [error] [client 10.139.63.193] 2019-09-05
> 15:12:22.832306 Sendto failed: Connection refused, referer:
> https://nsmdenvp117.corp.intranet/xymon-cgi/svcstatus.sh?HOST=nsmdenvp185&SERVICE=ConfigPulls
> >> [Thu Sep 05 15:12:23 2019] [error] [client 10.139.63.193] Premature end
> of script headers: showgraph.sh, referer:
> https://nsmdenvp117.corp.intranet/xymon-cgi/svcstatus.sh?HOST=nsmdenvp185&SERVICE=ConfigPulls
> >>
> >> And yes, the rrd file exists in the right directory. It only
> has 1 data point at this time, but again. Running rrdtool graph on that
> file produces a graph
> >>
> >>
> >> Oh, I never mentioned before. This is CentOS 6 with my own
> build for 4.3.21. I'm starting to move to the Terabithia repo, but haven't
> got there yet on the server.
> >>
> >> Paul.
> >>
> >>
> >>
> >> -----Original Message-----
> >> From: Japheth Cleaver <cleaver at terabithia.org>
> >> Sent: Thursday, September 05, 2019 3:00 PM
> >> To: Root, Paul T <Paul.Root at CenturyLink.com>; 'Stef Coene' <
> stef.coene at docum.org>; xymon at xymon.com
> >> Subject: Re: [Xymon] Graphing in Xymon
> >>
> >> A 500 ISE isn't a good sign. Is there anything in the web error logs?
> >>
> >> And just to confirm, the file does actually existing in the RRD
> >> directory as expected?
> >>
> >> Regards,
> >> -jc
> >>
> >> On 9/5/2019 12:56 PM, Root, Paul T wrote:
> >>> Not much help here:
> >>>
> >>> $ wget "
> http://nsmdenvp117.corp.intranet/xymon-cgi/showgraph.sh?host=nsmdenvp185&service=ncv:ConfigPulls&graph_width=576&graph_height=120&disp=nsmdenvp185&nostale&color=green&graph_start=1567539940&graph_end=1567712740&graph=hourly&action=view
> "
> >>> --2019-09-05 14:46:58--
> http://nsmdenvp117.corp.intranet/xymon-cgi/showgraph.sh?host=nsmdenvp185&service=ncv:ConfigPulls&graph_width=576&graph_height=120&disp=nsmdenvp185&nostale&color=green&graph_start=1567539940&graph_end=1567712740&graph=hourly&action=view
> >>> Resolving nsmdenvp117.corp.intranet... 151.119.9.117
> >>> Connecting to nsmdenvp117.corp.intranet|151.119.9.117|:80... connected.
> >>> HTTP request sent, awaiting response... 500 Internal Server Error
> >>> 2019-09-05 14:46:59 ERROR 500: Internal Server Error.
> >>>
> >>>
> >>> Running the rrdtool graph by hand, does work now, and I transferred
> the lines to graphs.cfg. But that hasn't translated into a graph.
> >>>
> >>> rrdtool graph ConfigPulls.jpg \
> >>> --title "NCM Config Pulls" \
> >>> "DEF:NetAtoD=ConfigPulls.rrd:NetAtoD:AVERAGE" \
> >>> "DEF:NetEtoN=ConfigPulls.rrd:NetEtoN:AVERAGE" \
> >>> "DEF:NetOtoZ1to9=ConfigPulls.rrd:NetOtoZ1to9:AVERAGE" \
> >>> "DEF:Other=ConfigPulls.rrd:Other:AVERAGE" \
> >>> "DEF:InfraGen=ConfigPulls.rrd:InfraGen:AVERAGE" \
> >>> "DEF:InfraSec=ConfigPulls.rrd:InfraSec:AVERAGE" \
> >>> "LINE2:NetAtoD#00FF00:Net A to D" \
> >>> "LINE2:NetEtoN#00CCCC:Net E to N" \
> >>> "LINE2:NetOtoZ1to9#FFCC00:Net O to Z & 1 to 9" \
> >>> "LINE2:Other#FF0000:Other" \
> >>> "LINE2:InfraGen#FFFF00:Infrastructure General" \
> >>> "LINE2:InfraSec#FFFFCC:Infrastructure Secure" \
> >>> "COMMENT:\n"
> >>>
> >>>
> >>>
> >>> -----Original Message-----
> >>> From: Xymon <xymon-bounces at xymon.com> On Behalf Of Stef Coene
> >>> Sent: Thursday, September 05, 2019 2:18 PM
> >>> To: xymon at xymon.com
> >>> Subject: Re: [Xymon] Graphing in Xymon
> >>>
> >>> On 4/09/19 19:59, Root, Paul T wrote:
> >>>> The graph doesn't show up, just a broken link in both the test and
> >>>> trends pages.
> >>>>
> >>>> Any help?
> >>> Then there is a problem generating the RRD, the error is returned as
> >>> text. But you browser expects a graph, not some text so it displays a
> >>> broken image symbol.
> >>>
> >>> When yoy right click on one of the broken image, you can say 'open
> image
> >>> in new tab'.
> >>> This will give you the direct URL of the graph.
> >>> If you do a wget of this URL (don't forget quotes!) on your xymon
> >>> server, you will download the real error.
> >>> Just do a vi of the downloaded file to see this error.
> >>>
> >>>
> >>> Stef
>
>
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