Puppet users - Oct 2012 - Can Puppet alert about dead nodes?

Hi all =)

Can the puppet master tell me which nodes it haven''t heard from in X
days?

Hugs,
Sandra =)


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Hi,

If you have dashboard installed unresponsive nodes can be seen in the
left panel.

Hope it helps

Best regards
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2012/10/31 Sandra Schlichting
<littlesandra88@gmail.com>:
> Hi all =)
>
> Can the puppet master tell me which nodes it haven''t heard from in
X days?
>
> Hugs,
> Sandra =)
>
>
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> If you have dashboard installed unresponsive nodes can be seen in the 
> left panel. 
>
>
The reason I am interested in this information is that I would like to have 
the puppet master tricker Nagios to send an alert. =)


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Hi,
> The reason I am interested in this information is that I would like to have
> the puppet master tricker Nagios to send an alert. =)
You can do it with a nagios check in at least 2 ways :
 - Check reported_at/updated_at fields in the nodes table of the dashboard
   database.
 - Check the state/last_run_summary.yaml date/content on each node

I use the 2nd solution with nagios checks to detect when a puppet run has
failed.

Maxence
-- 
Maxence Dunnewind

I provided some posts about the health of Puppet agents some time ago. They
might help too. The first one is found here:
http://www.bernd-adamowicz.de/80/monitoring-puppet-part-1/. The others are
linked.

Bernd

-----Original Message-----
From: puppet-users@googlegroups.com [mailto:puppet-users@googlegroups.com] On
Behalf Of Maxence Dunnewind
Sent: Mittwoch, 31. Oktober 2012 16:16
To: puppet-users@googlegroups.com
Subject: Re: [Puppet Users] Can Puppet alert about dead nodes?

Hi,
> The reason I am interested in this information is that I would like to 
> have the puppet master tricker Nagios to send an alert. =)
You can do it with a nagios check in at least 2 ways :
 - Check reported_at/updated_at fields in the nodes table of the dashboard
   database.
 - Check the state/last_run_summary.yaml date/content on each node

I use the 2nd solution with nagios checks to detect when a puppet run has
failed.

Maxence
--
Maxence Dunnewind

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My solution to this is a script that enumerates the signed keys that the master
server knows about and compares this with which clients have been seen in the
past 24 hours. There''s probably also a way to do it with some of
puppet''s reporting facilities. My script is appended if it is of any
use. You will need to customise file names and the email address.

#!/bin/bash

TMP=/tmp/awol.$$

PATH=/usr/local/bin:/usr/bin:/bin export PATH
TODAY=$(date ''+%b %e'')

puppet cert --list --all | cut ''-d '' -f2 >${TMP}.1

grep "^${TODAY} .*: Compiled catalog for [^ ]* in environment
production" /var/log/daemon.log \
| awk ''{print $9}'' \
| sort -uo ${TMP}.2

diff ${TMP}.1 ${TMP}.2 \
| grep ''^[<>]'' \
| tr ''<>'' ''-+'' >${TMP}.3

puppet cert --list | grep -v ''^$'' >${TMP}.4
if [ -s "${TMP}.4" ] ; then
        cat - ${TMP}.4 >>${TMP}.3 <<-EOF

        The following machines have certificates awaiting signature:-
        EOF
fi

MISSING=$(wc -l <${TMP}.3)

if [ "${MISSING}" -gt 0 ] ; then
        cat - ${TMP}.3 <<-EOF \
        | mail -s "Some of our puppets are missing"
puppeteer@universtiy.ac.uk
        There are some puppets missing (-) or interlopers (+).
        EOF
fi

rm -f ${TMP}.?

Chris Ritson (Computing Officer and School Safety Officer)

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> I provided some posts about the health of Puppet agents some time ago. 
> They might help too. The first one is found here: 
> http://www.bernd-adamowicz.de/80/monitoring-puppet-part-1/. The others 
> are linked. 
>
>
That is exactly what I was looking for =)

Very interesting blog, btw. Lots of useful puppet stuff =)

 

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> My solution to this is a script that enumerates the signed keys that the 
> master server knows about and compares this with which clients have been 
> seen in the past 24 hours. There''s probably also a way to do it
with some
> of puppet''s reporting facilities. My script is appended if it is
of any
> use. You will need to customise file names and the email address. 
>
> Wow! This is also what I am looking for! Bernd posted a similar solution. 
I really like the nodes are not asked if they are dead.

Now I have two scripts to try =)

Thanks Bernd and Chris =)


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Interesting stuff.

I am currently using the open source edition so I have no dashboard.  The 
idea of an agent based log analysis makes sense, however checking each 
agent for logs will become tedious.  My obvious solution would be to write 
a simple client/server tool.  The agents check in on status and I keep 
track of the last time each agent sent in a heartbeat.

I''m writing this because I want to be sure I''m not missing an
open source
feature, or module someone wrote, that does a lot of this work already. 
 Have any of you heard of any?

thanks!

On Wednesday, October 31, 2012 10:15:42 AM UTC-4, Sandra Schlichting
wrote:
>
> Hi all =)
>
> Can the puppet master tell me which nodes it haven''t heard from in
X days?
>
> Hugs,
> Sandra =)
>
>
>
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On 1 November 2012 17:54, Lucas Vickers <lucasvickers@gmail.com> wrote:
> I am currently using the open source edition so I have no dashboard.
>
Puppet Dashboard is opensource, so you could use it, but it''s being
deprecated (last I heard, anyway). You could also checkout The Foreman,
which will display nodes out-of-sync (and email you about it, if you like).

Greg

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Op donderdag 1 november 2012 19:03:20 UTC+1 schreef Greg Sutcliffe het 
volgende:
> On 1 November 2012 17:54, Lucas Vickers <lucasv...@gmail.com
<javascript:>
> > wrote:
>
>> I am currently using the open source edition so I have no dashboard. 
>>
>
> Puppet Dashboard is opensource, so you could use it, but it''s
being
> deprecated (last I heard, anyway). You could also checkout The Foreman, 
> which will display nodes out-of-sync (and email you about it, if you like).
>
>
We also use Puppet Dashboard for reporting, and it visually shows changed 
nodes and shows the nodes that have not reported recently. We use the open 
source Puppet stack and the Dashboard nicely complements it.

I''ve not heard anything about it being deprecated and have to assume
you''re
mistaken since a quick Google could find no mention of it. Dashboard is 
still actively updated, and since it''s the main interface to Puppet 
Enterprise as well I don''t see it going away soon. The Foreman is also
an
impressive dashboard with more features than Puppet Dashboard but a bit 
more complexity as well.

Regards, Martijn Heemels

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This post to the list concerns PuppetLabs ceasing development on Dashboard
-
https://groups.google.com/forum/#!msg/puppet-users/j44EbTJY7HI/EQSJgh-g1fgJ

A few people have expressed interest in taking Dashboard on, but I''ve
seen
no announcement that this has officially happened. Perhaps I missed it
though... I''d love to be corrected if so.

Greg

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The open source dashboard is being deprecated indeed, as announced on this
list by puppet Labs last month.
The enterprise dashboard is a different story.

Over time there will be a replacement for the open source dashboard, but it
might be a while and it might not be a one to one replacement.

Be advised :-)

sent from my mobile
On Nov 7, 2012 12:36 AM, "Martijn" <martijn@heemels.com> wrote:
> Op donderdag 1 november 2012 19:03:20 UTC+1 schreef Greg Sutcliffe het
> volgende:
>
>> On 1 November 2012 17:54, Lucas Vickers <lucasv...@gmail.com>
wrote:
>>
>>> I am currently using the open source edition so I have no
dashboard.
>>>
>>
>> Puppet Dashboard is opensource, so you could use it, but it''s
being
>> deprecated (last I heard, anyway). You could also checkout The Foreman,
>> which will display nodes out-of-sync (and email you about it, if you
like).
>>
>>
> We also use Puppet Dashboard for reporting, and it visually shows changed
> nodes and shows the nodes that have not reported recently. We use the open
> source Puppet stack and the Dashboard nicely complements it.
>
> I''ve not heard anything about it being deprecated and have to
assume
> you''re mistaken since a quick Google could find no mention of it.
Dashboard
> is still actively updated, and since it''s the main interface to
Puppet
> Enterprise as well I don''t see it going away soon. The Foreman is
also an
> impressive dashboard with more features than Puppet Dashboard but a bit
> more complexity as well.
>
> Regards, Martijn Heemels
>
> --
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Thanks for the info, Greg and Walter. I missed that announcement. We can
keep using the current Dashboard until something else comes along. I have
no problems with the parts that we use.

The deprecation actually makes sense, now that I read it. I was never happy
with the ENC functionality, which is why we''re just using it for
reporting.
I''m glad Puppetlabs seems committed to provide some sort of
replacement, in
the form of more specialized tools for ENC and reporting, integrated with
PuppetDB, which we''re already using.


On Wed, Nov 7, 2012 at 3:50 PM, Walter Heck <walterheck@gmail.com> wrote:
> The open source dashboard is being deprecated indeed, as announced on this
> list by puppet Labs last month.
> The enterprise dashboard is a different story.
>
> Over time there will be a replacement for the open source dashboard, but
> it might be a while and it might not be a one to one replacement.
>
> Be advised :-)
>
> sent from my mobile
> On Nov 7, 2012 12:36 AM, "Martijn" <martijn@heemels.com>
wrote:
>
>> Op donderdag 1 november 2012 19:03:20 UTC+1 schreef Greg Sutcliffe het
>> volgende:
>>
>>> On 1 November 2012 17:54, Lucas Vickers <lucasv...@gmail.com>
wrote:
>>>
>>>> I am currently using the open source edition so I have no
dashboard.
>>>>
>>>
>>> Puppet Dashboard is opensource, so you could use it, but
it''s being
>>> deprecated (last I heard, anyway). You could also checkout The
Foreman,
>>> which will display nodes out-of-sync (and email you about it, if
you like).
>>>
>>>
>> We also use Puppet Dashboard for reporting, and it visually shows
changed
>> nodes and shows the nodes that have not reported recently. We use the
open
>> source Puppet stack and the Dashboard nicely complements it.
>>
>> I''ve not heard anything about it being deprecated and have to
assume
>> you''re mistaken since a quick Google could find no mention of
it. Dashboard
>> is still actively updated, and since it''s the main interface
to Puppet
>> Enterprise as well I don''t see it going away soon. The Foreman
is also an
>> impressive dashboard with more features than Puppet Dashboard but a bit
>> more complexity as well.
>>
>> Regards, Martijn Heemels
>>
>> --
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Groups
>> "Puppet Users" group.
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>> https://groups.google.com/d/msg/puppet-users/-/jkwbFc8FL6kJ.
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>> puppet-users+unsubscribe@googlegroups.com.
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>> http://groups.google.com/group/puppet-users?hl=en.
>>
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I enabled the dashboard for my project.  We update 180 nodes in rapid
succession.  I found that the delayed dashboard workers were slowing my
computer down even more than the puppet workers themselves.  Very odd, but
I did not put the time into seeing what the problem was.

Given my specific situation I''ll probably just add a script at the end
of
the update that reports back to a server on my computer.  The server then
tells me which nodes have not completed updates.  I guess the big question
is now, how do I make that script dependent on a 100% successful puppet
update.

L

On Wed, Nov 7, 2012 at 7:03 AM, Martijn Heemels <martijn@heemels.com>
wrote:
> Thanks for the info, Greg and Walter. I missed that announcement. We can
> keep using the current Dashboard until something else comes along. I have
> no problems with the parts that we use.
>
> The deprecation actually makes sense, now that I read it. I was never
> happy with the ENC functionality, which is why we''re just using it
for
> reporting. I''m glad Puppetlabs seems committed to provide some
sort of
> replacement, in the form of more specialized tools for ENC and reporting,
> integrated with PuppetDB, which we''re already using.
>
>
>
> On Wed, Nov 7, 2012 at 3:50 PM, Walter Heck <walterheck@gmail.com>
wrote:
>
>> The open source dashboard is being deprecated indeed, as announced on
>> this list by puppet Labs last month.
>> The enterprise dashboard is a different story.
>>
>> Over time there will be a replacement for the open source dashboard,
but
>> it might be a while and it might not be a one to one replacement.
>>
>> Be advised :-)
>>
>> sent from my mobile
>> On Nov 7, 2012 12:36 AM, "Martijn"
<martijn@heemels.com> wrote:
>>
>>> Op donderdag 1 november 2012 19:03:20 UTC+1 schreef Greg Sutcliffe
het
>>> volgende:
>>>
>>>> On 1 November 2012 17:54, Lucas Vickers
<lucasv...@gmail.com> wrote:
>>>>
>>>>> I am currently using the open source edition so I have no
dashboard.
>>>>>
>>>>
>>>> Puppet Dashboard is opensource, so you could use it, but
it''s being
>>>> deprecated (last I heard, anyway). You could also checkout The
Foreman,
>>>> which will display nodes out-of-sync (and email you about it,
if you like).
>>>>
>>>>
>>> We also use Puppet Dashboard for reporting, and it visually shows
>>> changed nodes and shows the nodes that have not reported recently.
We use
>>> the open source Puppet stack and the Dashboard nicely complements
it.
>>>
>>> I''ve not heard anything about it being deprecated and have
to assume
>>> you''re mistaken since a quick Google could find no mention
of it. Dashboard
>>> is still actively updated, and since it''s the main
interface to Puppet
>>> Enterprise as well I don''t see it going away soon. The
Foreman is also an
>>> impressive dashboard with more features than Puppet Dashboard but a
bit
>>> more complexity as well.
>>>
>>> Regards, Martijn Heemels
>>>
>>> --
>>> You received this message because you are subscribed to the Google
>>> Groups "Puppet Users" group.
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>>> https://groups.google.com/d/msg/puppet-users/-/jkwbFc8FL6kJ.
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>>> http://groups.google.com/group/puppet-users?hl=en.
>>>
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>>
>
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