[smokeping-users] RRD Command for generating Smokeping graphs via CLI
Ryan Becker
rb14060 at gmail.com
Fri Jul 13 09:36:46 CEST 2012
Thanks Tobi! Saves me some work and should make Joe happy.
On Fri, Jul 13, 2012 at 3:34 AM, Tobias Oetiker <tobi at oetiker.ch> wrote:
> Hi Joe,
>
> this patch might help:
>
> diff --git a/lib/Smokeping.pm b/lib/Smokeping.pm
> index 2d6e1e5..f9d162c 100644
> --- a/lib/Smokeping.pm
> +++ b/lib/Smokeping.pm
> @@ -1156,7 +1156,8 @@ sub get_detail ($$$$;$){
>
> $q->param('epoch_start',parse_datetime($q->param('start')));
> $q->param('epoch_end',parse_datetime($q->param('end')));
> - @tasks = (["Navigator Graph".$name,
> parse_datetime($q->param('start')),parse_datetime($q->param('end'))]);
> + my $title = $q->param('title') || ("Navigator Graph".$name);
> + @tasks = ([$title,
> parse_datetime($q->param('start')),parse_datetime($q->param('end'))]);
> my ($graphret,$xs,$ys) = RRDs::graph
> ("dummy",
> '--start', $tasks[0][1],
>
>
> now you can specify the title as a cgi parameter
>
> cheers
> tobi
>
> Today Borg, Joe, Vodafone Malta wrote:
>
> > Hi Don,
> > Many thanks for your response and no worries re: being blunt.
> >
> > Essentially, you are right - only that the only custom item I require is
> the title. In other words, the legend and everything else on the graph
> should remain the same as what's seen in smokeping. Moreover though, I also
> need to 'automate' this graph generation via CLI/ a perl script.
> >
> > So to do the above, I thought the best way would be to use the rrdtool
> directly from CLI; something like:
> >
> > /usr/bin/rrdtool graph - --imgformat=PNG --start=-31536000 --end=-300
> --title="customer abc instead of Navigator Graph"................
> >
> > What I was after was simply the list of all the parameters I might need
> to pass to rrdtool so as to generate a graph that looks exactly like the
> ones generated by smokeping (only with a different title).
> >
> > I'll go through the links you provided me with as the second one seems
> promising.
> >
> >
> > The alternative to all the above would be to run something like this
> from a linux CLI:
> >
> > [root at foo /]# wget "
> http://oss.oetiker.ch/smokeping-demo/?displaymode=a;start=2007-08-15%2015:31;end=now;target=Customers.ITIS.otoro
> "
> >
> > The above is also fine for me and would be much simpler. The only
> problem with it is that I don't know if/how I could modify the graph title
> of the png file generated? Maybe there's some other url parameter I can
> pass? E.g.
> ?displaymode=a;start=2007-08-15%2015:31;end=now;target=Customers.ITIS.otoro;title=customer.abc
> (<-note added parameter).
> >
> >
> > Thanks for all your help.
> >
> > Joe
> >
> >
> > -----Original Message-----
> > From: Don Gould [mailto:don at bowenvale.co.nz]
> > Sent: 13 July 2012 03:36
> > To: Borg, Joe, Vodafone Malta
> > Cc: Ryan Becker; smokeping-users at lists.oetiker.ch
> > Subject: Re: [smokeping-users] RRD Command for generating Smokeping
> graphs via CLI
> >
> > Joe,
> >
> > My reading of this thread is that you have asked the wrong question.
> > Or, at least you have not explained what you requirement is very clearly
> > and I wonder if you have also asked on the wrong list.[1]
> >
> > As a result you are not getting the help you're looking for.
> >
> > My understanding of your requirement:
> >
> > * Produce a graph 'image' from an RRDTool database with custom titles
> > and legend information on it.
> >
> > ------------
> >
> > The fact that the "SmokePing" application put the data in to the RRDTool
> > database is only coincidental.
> >
> > So, http://oss.oetiker.ch/rrdtool/
> >
> > http://oss.oetiker.ch/rrdtool/doc/rrdgraph.en.html
> >
> > http://oss.oetiker.ch/rrdtool/doc/rrdgraph_examples.en.html
> >
> > Is this more what you're after?
> >
> > D
> >
> > [1] Please excuse my blunt, and perhaps rude, break down of the problem
> > here. I do not mean to offend, I just felts you weren't getting
> > anywhere and wondered if it's a language problem that's causing
> > confusion. So the best way I could think of to try and help was by
> > being a bit more direct and black and white.
> >
> >
> > On 12/07/2012 6:42 p.m., Borg, Joe, Vodafone Malta wrote:
> > > Thanks Ryan/Tobias,
> > >
> > > Yes I got there. In fact, in the second thread I listed in my email,
> > > there's mention of the use of displaymod=a which displays the graph
> > > alone (e.g.
> > >
> http://oss.oetiker.ch/smokeping-demo/?displaymode=a;start=2007-08-15%2015:31;end=now;target=Customers.ITIS.otoro
> ).
> > > This is **nearly** what I want. I could use this via CLI with something
> > > like wget in a script. The problem is, as far as I can see, there are
> > > some things I can't modify. In particular, I'd like to modify the graph
> > > title (currently 'Navigator Graph') to be something else (e.g.
> 'Customer
> > > ABC's Link'). Is this possible with some URL paramet?
> > >
> > > Note that I'm referring to the title of the png graph itself, not the
> > > HTML titles as part of the smokeping interface...
> > >
> > > Thanks,
> > >
> > > Joe
> > >
> > > *From:*Ryan Becker [mailto:rb14060 at gmail.com]
> > > *Sent:* 11 July 2012 17:49
> > > *To:* Borg, Joe, Vodafone Malta
> > > *Cc:* Tobias Oetiker; smokeping-users at lists.oetiker.ch
> > > *Subject:* Re: [smokeping-users] RRD Command for generating Smokeping
> > > graphs via CLI
> > >
> > > He's referring to the Navigator Graph option. Go into the CGI, click on
> > > a monitored node, then click on the graph itself. It should take you to
> > > a new window and the title of the graph should be "Navigator Graph".
> > > There's parameters that you can set in the URL, and you can see them
> > > clearly.
> > >
> > > On Wed, Jul 11, 2012 at 8:53 AM, Borg, Joe, Vodafone Malta
> > > <Joe.Borg at vodafone.com <mailto:Joe.Borg at vodafone.com>> wrote:
> > >
> > > Hi Tobias,
> > > Many thanks for getting back to me on this and for the prompt reply.
> > > Would you be able to let me know where/how I can find the graph
> > > navigator as I'm unsure as to what you're referring to?
> > >
> > > Thanks,
> > >
> > > Joe
> > >
> > > -----Original Message-----
> > > From: Tobias Oetiker [mailto:tobi at oetiker.ch <mailto:tobi at oetiker.ch>]
> > > Sent: 10 July 2012 21:43
> > > To: Borg, Joe, Vodafone Malta
> > > Cc: smokeping-users at lists.oetiker.ch
> > > <mailto:smokeping-users at lists.oetiker.ch>
> > > Subject: Re: [smokeping-users] RRD Command for generating Smokeping
> > > graphs via CLI
> > >
> > > have a look at the graph navigator. you can get charts directly from
> the cgi
> > > cheers
> > > Tobias Oetiker
> > >
> > > On 10.07.2012, at 11:38, "Borg, Joe, Vodafone Malta"
> > > <Joe.Borg at vodafone.com <mailto:Joe.Borg at vodafone.com>> wrote:
> > >
> > > > Hi,
> > > > I need to write a script that generates the smokeping graphs for use
> > > in another front-end (i.e. without accessing the smokeping cgi
> > > directly). Would anyone have the relevant rrd command and parameters I
> > > should use or an easy way to find out what it is?
> > > >
> > > > I've read the following threads:
> > > >
> > > >
> > >
> https://lists.oetiker.ch/pipermail/smokeping-users/2011-November/004519.html
> > > - This is what I need; unfortunately there doesn't seem to be a
> > > conclusion to this thread.
> > > >
> > > >
> > >
> https://lists.oetiker.ch/pipermail/smokeping-users/2007-August/002420.html
> > > - This mentions the use of 'displaymod=a' which I've tried and is close
> > > to what I want (I could use something like wget to get the graph).
> > > Unfortunately though it doesn't allow for any modification of the graph
> > > itself and I need to modify some minor things such as the graph title.
> > > >
> > > > Any help would be appreciated.
> > > >
> > > >
> > > > Thanks & Regards,
> > > >
> > > >
> > > > Joe
> > > >
> > >
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> --
> Tobi Oetiker, OETIKER+PARTNER AG, Aarweg 15 CH-4600 Olten, Switzerland
> http://it.oetiker.ch tobi at oetiker.ch ++41 62 775 9902 / sb: -9900
>
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