[Puppet Users] Sometimes getting 'undef' in template
Morning, all. I've got a problem with a custom class and template that has me
stumped. I've created the following class:
class graphite::carbon(
$cache_port = 2003,
$cache_enable_udp = false,
$cache_udp_port = $cache_port,
) {
package {'carbon': }
file {'/etc/carbon/carbon.conf':
content = template(graphite/carbon.conf.erb),
require = Package['carbon'],
notify = Service['carbon-cache'],
}
service {'carbon-cache':
enable = true,
ensure = running,
require = Package['carbon'],
}
}
carbon.conf.erb contains this:
UDP_RECEIVER_PORT = %= cache_udp_port %
And I use the class like this:
class {'graphite::carbon': }
The problem I'm having is that, without making any changes *AT ALL*
UDP_RECEIVER_PORT will sometimes have the default port of 2003 and other
times undef. This is with Puppet 2.7.17 in standalone mode.
Am I doing something wrong with the definition of cache_udp_port? I want it to
default to the value provided for cache_port, which defaults to 2003.
Thanks,
Brian
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Re: [Puppet Users] Sometimes getting 'undef' in template
On Sun, Jan 06, 2013 at 08:54:23AM -0500, Brian Lalor wrote:
Morning, all. I've got a problem with a custom class and template that has
me stumped. I've created the following class:
class graphite::carbon(
$cache_port = 2003,
$cache_enable_udp = false,
$cache_udp_port = $cache_port,
) {
package {'carbon': }
file {'/etc/carbon/carbon.conf':
content = template(graphite/carbon.conf.erb),
require = Package['carbon'],
notify = Service['carbon-cache'],
}
service {'carbon-cache':
enable = true,
ensure = running,
require = Package['carbon'],
}
}
carbon.conf.erb contains this:
UDP_RECEIVER_PORT = %= cache_udp_port %
And I use the class like this:
class {'graphite::carbon': }
The problem I'm having is that, without making any changes *AT ALL*
UDP_RECEIVER_PORT will sometimes have the default port of 2003 and other
times undef. This is with Puppet 2.7.17 in standalone mode.
Am I doing something wrong with the definition of cache_udp_port? I want it
to default to the value provided for cache_port, which defaults to 2003.
Thanks,
Brian
No you are doing nothing wrong except that variable interpolation is
random so you get random results if the default value of parameterA
depends on the value of parameterB.
This has been accepted as a bug so you may want to watch
http://projects.puppetlabs.com/issues/9848
-Stefan
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Re: [Puppet Users] Sometimes getting 'undef' in template
On Jan 6, 2013, at 12:32 PM, Stefan Schulte stefan.schu...@taunusstein.net wrote: No you are doing nothing wrong except that variable interpolation is random so you get random results if the default value of parameterA depends on the value of parameterB. This has been accepted as a bug so you may want to watch http://projects.puppetlabs.com/issues/9848 Damn. Thanks for confirming it's not just me. :-) -- You received this message because you are subscribed to the Google Groups Puppet Users group. To post to this group, send email to puppet-users@googlegroups.com. To unsubscribe from this group, send email to puppet-users+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/puppet-users?hl=en.
[Puppet Users] Custom function and SERVER: wrong argument type Class (expected Module)
I have created a custom function that I'm trying to use in my manifest.
When I use the function I get the following error message on my client.
Error: Could not retrieve catalog from remote server: Error 400 on SERVER:
wrong argument type Class (expected Module) at
/etc/puppet/manifests/nodes.pp:18 on node fubar
Warning: Not using cache on failed catalog
Error: Could not retrieve catalog; skipping run
I have tested my function on server with a simple manifest locally and the
function works properly. The function I’ve created was to pad the contents
of a variable with tabs so when the variable is used in a configuration it
will have the proper alignments for readability. Below is my function,
I’ve removed parameter checking to simplify the code for troubleshooting.
module Puppet::Parser::Functions
newfunction(:talign, :type = :rvalue, :doc = -EOS
Pads a string with tabs for alignment purposes.
*Examples:*
taligh(‘abcd’,24,8)
Will return:
abcd\t\t
EOS
) do |arguments|
value = arguments[0]
space = arguments[1]
if arguments.size == 2
tabsize = 8
else
tabsize = arguments[2]
end
size = space.to_i - value.length
if size = 0
result = value + \t
else
count = size / tabsize.to_i
while count 0 do
value = value + \t
count = count - 1
end
result = value
end
return result
end
end
Here is the code that I’ve added to my manifest for testing.
$temp = talign('abc',24,8)
notify{${temp}:}
Thanks,
Michael
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Re: [Puppet Users] Re: inspect resources that are already added to a manifest
On 3 January 2013 20:08, Luke Bigum luke.bi...@lmax.com wrote:
On Wednesday, January 2, 2013 3:51:37 PM UTC, jcbollinger wrote:
On Saturday, December 22, 2012 12:20:10 PM UTC-6, Luke Bigum wrote:
Hi all,
Does anyone know of a way to inspect resources that are already parsed
in a node's manifest during catalog compilation? This would certainly need
some serious Ruby Fu.
This is a bad idea. If your the Puppet circuits in your brain didn't
trip over inspect, they certainly should have sounded the alarm over
serious Ruby Fu. You are fighting against the tool.
As an example, imagine I have a number of arbitrary files defined by
multiple classes and it is impossible to get an all encompassing list of
these files:
file { 'woof': }
file { 'cows': }
file { 'meow': }
...
$all_files = inline_template(...)
I would like to be able to gather those file names into a Puppet
variable - this would be parse order dependent. It would be fantastic if it
could handle exported resources that have just been collected as well.
And parse-order dependent? Of course it is. You need a
Puppet-bogometer.
So what configuration objective are you actually trying to accomplish
here? There is likely a more robust, less Rubyriffic way to accomplish it.
Ohh don't worry, John, my bogometer was going off like crazy, the needle
almost broke ;-)
I'm taking shortcuts in my spare time with a tool that's probably 70%
right for the job. It's for monitoring - I really like the idea of a Puppet
module to describe or advertise how to monitor itself, it keeps them very
self contained.
Just a bit more on this - I generally see three categories of monitoring
tools. Ones that are configured separately from your CRM and end up being a
source of truth on their own are in my mind the worst. The next level up
are ones either defined from or derived from your CRM. The best are
auto-discovery, but they cost an absolute fortune. I'm trying to move my
team from the first one to the second one with as little new tools as
possible, which is where the 70% right for the job comment comes from.
I'm using exported resources to describe how modules are monitored. The
problem is that exported resources are not the equivalent of raw
information passing. So when I want to start doing trickier things like
group and analyse what is collected, exported resources don't cut it
because it's not what they are designed for.
Specifically what I was trying to do was collect exported resources of the
same type and group them on the monitoring server. There is no predefined
list of service names anywhere (unless you parse the node definitions) so
that's why I wanted to go from resource collection to Array of Strings. A
colleague has managed to reduce my 300 lines to 50 though so the need for
craziness is reduced somewhat. We still need to do the Export a File
trick and run a script on the monitoring server to build the complex
configuration that exported resources are not designed to handle.
You have made me curious.
I am going to make some wild assumptions and probably leap to some
incorrect conclusions.
Querying PupptDB seems like the wrong way to achieve this in my opinion.
I put my monitoring (and firewall rules incidentally) into each class on a
node and import into my monitoring server (nagios currently but intend on
switching to icinga soon) them based on tags.
I was using global vars but are currently rewriting my modules to use heira
to set the monitoring server and a few other settings.
This is working nicely for me.
I had a few different ideas along the way but my current iteration is
getting close to awesome.
It also gives me fine grained control over whether a node gets sms alerts
or escalation and such.
Is this the kind of thing you are attempting to achieve?
I can provide extra complexity to how it works if you need it.
The next iteration of this work might be to scrap resource collection in
favour of querying PuppetDB directly to figure out what to monitor, but
that's a lot more work than I'm prepared to do at this stage. Maybe in a
few months... ;-)
-Luke
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Re: [Puppet Users] file copy, multiple ignore doesn't work
More a random question than anything.
I am going to assume the .hg files are from mercurial.
Assuming this I am wondering why you aren't using something like
puppetlabs-vcsrepo on puppet forge to deploy the directory via mercurial.
It seems like a better idea in my brain.
Pete.
On 3 January 2013 07:17, iamauser tapas.sara...@gmail.com wrote:
I am trying the following to recursively copy a dir while ignoring things
like .hg and a few others.
file {
/etc/work-related-dir :
source = /path/to/masterfiles/work-related-dir,
recurse = 'inf',
owner = '0',
group = '0',
ignore = '{.hg,*.conf~}',
checksum = 'mtime',
backup = false;
}
Running a noop mode tries to copy everything including the one that
matches .hg, *.conf~. If I specify only a single parameter value for
ignore, i.e. .hg, then it doesn't try the copy of .hg directory and works
as expected.
Following an earlier post about this, I checked Ruby's globing options,and
found that the pattern I am providing matches multiple files in the source
area.
Any help or suggestion would be appreciated.
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[Puppet Users] How can i pass runtime parameters while installing .bin file in puppet?
Hi, I have alfresco .bin installer file for linux distribution which i want to automate using puppet. While installing alfresco on linux ,usually i need to provide a number of parameters such as java_home, db home, alfresco home or tomcat port etc. Now i want to install same .bin installer using puppet but not getting how can i provide same runtime argument in puppet installation. Can anybody help? Regards. -- You received this message because you are subscribed to the Google Groups Puppet Users group. To view this discussion on the web visit https://groups.google.com/d/msg/puppet-users/-/fC9PMTMYS84J. To post to this group, send email to puppet-users@googlegroups.com. To unsubscribe from this group, send email to puppet-users+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/puppet-users?hl=en.
