[Xymon] Graphing in Xymon
Root, Paul T
Paul.Root at CenturyLink.com
Mon Sep 9 20:28:23 CEST 2019
I do see 4 archives:
filename = "ConfigPulls.rrd"
rrd_version = "0003"
step = 300
last_update = 1568044491
ds[NetAtoD].type = "GAUGE"
ds[NetAtoD].minimal_heartbeat = 600
ds[NetAtoD].min = NaN
ds[NetAtoD].max = NaN
ds[NetAtoD].last_ds = "U"
ds[NetAtoD].value = 0.0000000000e+00
ds[NetAtoD].unknown_sec = 291
ds[NetOtoZ1to9].type = "GAUGE"
ds[NetOtoZ1to9].minimal_heartbeat = 600
ds[NetOtoZ1to9].min = NaN
ds[NetOtoZ1to9].max = NaN
ds[NetOtoZ1to9].last_ds = "U"
ds[NetOtoZ1to9].value = 0.0000000000e+00
ds[NetOtoZ1to9].unknown_sec = 291
ds[Other].type = "GAUGE"
ds[Other].minimal_heartbeat = 600
ds[Other].min = NaN
ds[Other].max = NaN
ds[Other].last_ds = "U"
ds[Other].value = 0.0000000000e+00
ds[Other].unknown_sec = 291
ds[InfraGen].type = "GAUGE"
ds[InfraGen].minimal_heartbeat = 600
ds[InfraGen].min = NaN
ds[InfraGen].max = NaN
ds[InfraGen].last_ds = "U"
ds[InfraGen].value = 0.0000000000e+00
ds[InfraGen].unknown_sec = 291
ds[InfraSec].type = "GAUGE"
ds[InfraSec].minimal_heartbeat = 600
ds[InfraSec].min = NaN
ds[InfraSec].max = NaN
ds[InfraSec].last_ds = "U"
ds[InfraSec].value = 0.0000000000e+00
ds[InfraSec].unknown_sec = 291
rra[0].cf = "AVERAGE"
rra[0].rows = 576
rra[0].cur_row = 234
rra[0].pdp_per_row = 1
rra[0].xff = 5.0000000000e-01
rra[0].cdp_prep[0].value = NaN
rra[0].cdp_prep[0].unknown_datapoints = 0
rra[0].cdp_prep[1].value = NaN
rra[0].cdp_prep[1].unknown_datapoints = 0
rra[0].cdp_prep[2].value = NaN
rra[0].cdp_prep[2].unknown_datapoints = 0
rra[0].cdp_prep[3].value = NaN
rra[0].cdp_prep[3].unknown_datapoints = 0
rra[0].cdp_prep[4].value = NaN
rra[0].cdp_prep[4].unknown_datapoints = 0
rra[1].cf = "AVERAGE"
rra[1].rows = 576
rra[1].cur_row = 337
rra[1].pdp_per_row = 6
rra[1].xff = 5.0000000000e-01
rra[1].cdp_prep[0].value = NaN
rra[1].cdp_prep[0].unknown_datapoints = 4
rra[1].cdp_prep[1].value = NaN
rra[1].cdp_prep[1].unknown_datapoints = 4
rra[1].cdp_prep[2].value = NaN
rra[1].cdp_prep[2].unknown_datapoints = 4
rra[1].cdp_prep[3].value = NaN
rra[1].cdp_prep[3].unknown_datapoints = 4
rra[1].cdp_prep[4].value = NaN
rra[1].cdp_prep[4].unknown_datapoints = 4
rra[2].cf = "AVERAGE"
rra[2].rows = 576
rra[2].cur_row = 227
rra[2].pdp_per_row = 24
rra[2].xff = 5.0000000000e-01
rra[2].cdp_prep[0].value = NaN
rra[2].cdp_prep[0].unknown_datapoints = 22
rra[2].cdp_prep[1].value = NaN
rra[2].cdp_prep[1].unknown_datapoints = 22
rra[2].cdp_prep[2].value = NaN
rra[2].cdp_prep[2].unknown_datapoints = 22
rra[2].cdp_prep[3].value = NaN
rra[2].cdp_prep[3].unknown_datapoints = 22
rra[2].cdp_prep[4].value = NaN
rra[2].cdp_prep[4].unknown_datapoints = 22
rra[3].cf = "AVERAGE"
rra[3].rows = 576
rra[3].cur_row = 172
rra[3].pdp_per_row = 288
rra[3].xff = 5.0000000000e-01
rra[3].cdp_prep[0].value = NaN
rra[3].cdp_prep[0].unknown_datapoints = 190
rra[3].cdp_prep[1].value = NaN
rra[3].cdp_prep[1].unknown_datapoints = 190
rra[3].cdp_prep[2].value = NaN
rra[3].cdp_prep[2].unknown_datapoints = 190
rra[3].cdp_prep[3].value = NaN
rra[3].cdp_prep[3].unknown_datapoints = 190
rra[3].cdp_prep[4].value = NaN
rra[3].cdp_prep[4].unknown_datapoints = 190
So that looks like it is populating right now.
I deleted the rrd file to start fresh. I remember in the past, that any little changes will confuse the RRD.
And I’ve set the xymon script to run every hour instead of once a day. Unless I run a network by hand, the data will never change except the once a day.
So we’ll see in a while.
From: Japheth Cleaver <cleaver at terabithia.org>
Sent: Monday, September 09, 2019 12:45 PM
To: Root, Paul T <Paul.Root at CenturyLink.com>; 'Ralph Mitchell' <ralphmitchell at gmail.com>
Cc: Stef Coene <stef.coene at docum.org>; xymon at xymon.com
Subject: Re: [Xymon] Graphing in Xymon
You should see four different RRA's (round-robin archives) when you run 'rrdtool info' on the actual RRD file, each being populated as "roll-up" averages of the various data point. For example: ]# rrdtool info clock.rrd
I suspect the issue here is the lack of data in the originating source. It seems like a once-a-day datapoint should at least be made visible in the 2d RRA, but I've not actually tried to configure one with low frequency before. Would you be able to artificially submit that point several times within a 5m period and see if it populates? Keeping --no-cache back on may be beneficial here too.
Regards,
-jc
On 9/6/2019 11:01 AM, Root, Paul T wrote:
I don’t think the rrd file is working right.
It is there, and the latest numbers are in, but I don’t see any archive numbers populating.
Where can I check for that?
From: Ralph Mitchell <ralphmitchell at gmail.com><mailto:ralphmitchell at gmail.com>
Sent: Friday, September 06, 2019 10:07 AM
To: Root, Paul T <Paul.Root at CenturyLink.com><mailto:Paul.Root at CenturyLink.com>
Cc: Japheth Cleaver <cleaver at terabithia.org><mailto:cleaver at terabithia.org>; Stef Coene <stef.coene at docum.org><mailto:stef.coene at docum.org>; xymon at xymon.com<mailto:xymon at xymon.com>
Subject: Re: [Xymon] Graphing in Xymon
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<mailto: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<mailto: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<mailto:cleaver at terabithia.org>>; 'Stef Coene' <stef.coene at docum.org<mailto:stef.coene at docum.org>>; xymon at xymon.com<mailto: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<mailto:cleaver at terabithia.org>>
Sent: Thursday, September 05, 2019 5:19 PM
To: Root, Paul T <Paul.Root at CenturyLink.com<mailto:Paul.Root at CenturyLink.com>>; 'Stef Coene' <stef.coene at docum.org<mailto:stef.coene at docum.org>>; xymon at xymon.com<mailto: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<mailto:cleaver at terabithia.org>>
> Sent: Thursday, September 05, 2019 3:33 PM
> To: Root, Paul T <Paul.Root at CenturyLink.com<mailto:Paul.Root at CenturyLink.com>>; 'Stef Coene' <stef.coene at docum.org<mailto:stef.coene at docum.org>>; xymon at xymon.com<mailto: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<mailto:cleaver at terabithia.org>>
>> Sent: Thursday, September 05, 2019 3:00 PM
>> To: Root, Paul T <Paul.Root at CenturyLink.com<mailto:Paul.Root at CenturyLink.com>>; 'Stef Coene' <stef.coene at docum.org<mailto:stef.coene at docum.org>>; xymon at xymon.com<mailto: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<mailto:xymon-bounces at xymon.com>> On Behalf Of Stef Coene
>>> Sent: Thursday, September 05, 2019 2:18 PM
>>> To: xymon at xymon.com<mailto: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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