Puppet users - Mar 2013 - Verbose debugging of template variable binding ?

I seem to have made some error in my template but cant seem find a way to
debug it except for removing (deleting) parts of the template file and
figuring out where there is a mistake.

On my puppetmaster with --debug I get the following error
debug: template[/etc/puppet/manifests/lib/redis/templates/redis.conf.erb]:
Bound template variables for
/etc/puppet/manifests/lib/redis/templates/redis.conf.erb in 0.00 seconds

On the client I get
err: Could not retrieve catalog from remote server: No content type in http
response; cannot parse.

I am certain that there is something wrong in my template. How do I debug
binding of template variables ?  Is there a verbose mode that would tell me
where the binding breaks ?

The template is available at
https://github.com/7terminals/puppet-redis/blob/master/templates/redis.conf.erband
the full module is hosted at
https://github.com/7terminals/puppet-redis/

Ironically, when running in standalone mode i.e puppet apply tests/ini.pp
this module/template seems to work.


~Francis

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On 03/19/2013 02:29 PM, Francis Pereira wrote:
> On my puppetmaster with --debug I get the following error
> debug:
> template[/etc/puppet/manifests/lib/redis/templates/redis.conf.erb]:
> Bound template variables for
> /etc/puppet/manifests/lib/redis/templates/redis.conf.erb in 0.00 seconds
Hmm, that doesn''t look like an error at all. It seems to be just
another
debug message.

Are you sure the template is what''s causing breakage?

Regards,
Felix

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That''s the last line I get on the master. After that the client run
stops.

~Francis

On Mar 19, 2013, at 7:42 PM, Felix Frank
<felix.frank@alumni.tu-berlin.de> wrote:
> On 03/19/2013 02:29 PM, Francis Pereira wrote:
>> On my puppetmaster with --debug I get the following error
>> debug:
>> template[/etc/puppet/manifests/lib/redis/templates/redis.conf.erb]:
>> Bound template variables for
>> /etc/puppet/manifests/lib/redis/templates/redis.conf.erb in 0.00
seconds
>
> Hmm, that doesn''t look like an error at all. It seems to be just
another
> debug message.
>
> Are you sure the template is what''s causing breakage?
>
> Regards,
> Felix
>
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All right, so - what happens if you remove that resource from the
manifest, or remove the content => parameter from the resource?
(Do use --noop on the agent side).

Felix

On 03/19/2013 03:41 PM, Francis Pereira wrote:
> That''s the last line I get on the master. After that the client
run stops.
> 
> ~Francis
> 
> On Mar 19, 2013, at 7:42 PM, Felix Frank
> <felix.frank@alumni.tu-berlin.de> wrote:
> 
>> > On 03/19/2013 02:29 PM, Francis Pereira wrote:
>>> >> On my puppetmaster with --debug I get the following error
>>> >> debug:
>>> >>
template[/etc/puppet/manifests/lib/redis/templates/redis.conf.erb]:
>>> >> Bound template variables for
>>> >> /etc/puppet/manifests/lib/redis/templates/redis.conf.erb
in 0.00 seconds
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Works as expected when the content parameter is #



~Francis

On Mar 19, 2013, at 8:19 PM, Felix Frank
<felix.frank@alumni.tu-berlin.de> wrote:
> All right, so - what happens if you remove that resource from the
> manifest, or remove the content => parameter from the resource?
> (Do use --noop on the agent side).
>
> Felix
>
> On 03/19/2013 03:41 PM, Francis Pereira wrote:
>> That''s the last line I get on the master. After that the
client run stops.
>>
>> ~Francis
>>
>> On Mar 19, 2013, at 7:42 PM, Felix Frank
>> <felix.frank@alumni.tu-berlin.de> wrote:
>>
>>>> On 03/19/2013 02:29 PM, Francis Pereira wrote:
>>>>>> On my puppetmaster with --debug I get the following
error
>>>>>> debug:
>>>>>>
template[/etc/puppet/manifests/lib/redis/templates/redis.conf.erb]:
>>>>>> Bound template variables for
>>>>>>
/etc/puppet/manifests/lib/redis/templates/redis.conf.erb in 0.00 seconds
>
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Hmm, I''m about stumped then. Sorry.

Regards,
Felix

On 03/19/2013 04:26 PM, Francis Pereira wrote:
> Works as expected when the content parameter is #
> 
> 
> 
> ~Francis
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If it''s working using the declaration from your tests directory, but
not
from your master, then it stands to reason that either something is wrong 
with the way you''re calling it on the master or something is wrong in
your
master setup that is causing a communication error. Could you post how 
you''re calling it from your master?

On Tuesday, March 19, 2013 6:29:12 AM UTC-7, Francis Pereira
wrote:
>
> I seem to have made some error in my template but cant seem find a way to 
> debug it except for removing (deleting) parts of the template file and 
> figuring out where there is a mistake. 
>
> On my puppetmaster with --debug I get the following error
> debug: template[/etc/puppet/manifests/lib/redis/templates/redis.conf.erb]: 
> Bound template variables for 
> /etc/puppet/manifests/lib/redis/templates/redis.conf.erb in 0.00 seconds
>
> On the client I get 
> err: Could not retrieve catalog from remote server: No content type in 
> http response; cannot parse.
>
> I am certain that there is something wrong in my template. How do I debug 
> binding of template variables ?  Is there a verbose mode that would tell me
> where the binding breaks ?
>
> The template is available at 
>
https://github.com/7terminals/puppet-redis/blob/master/templates/redis.conf.erband
the full module is hosted at
> https://github.com/7terminals/puppet-redis/  
>
> Ironically, when running in standalone mode i.e puppet apply tests/ini.pp 
> this module/template seems to work.
>
>
> ~Francis
>
>
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Figured it out - by removing the line ''daemonize <%= daemonize
%>'' from the
template, the template works as expected. Looks like the variable whose
name is deamonize ( <%= daemonize %>)  for some reason does not play nice
in a template. Can someone shed some light on reserved variables in
templates


~Francis


On Tue, Mar 19, 2013 at 11:04 PM, Ellison Marks <gtyaoi@gmail.com> wrote:
> If it''s working using the declaration from your tests directory,
but not
> from your master, then it stands to reason that either something is wrong
> with the way you''re calling it on the master or something is wrong
in your
> master setup that is causing a communication error. Could you post how
> you''re calling it from your master?
>
>
> On Tuesday, March 19, 2013 6:29:12 AM UTC-7, Francis Pereira wrote:
>>
>> I seem to have made some error in my template but cant seem find a way
to
>> debug it except for removing (deleting) parts of the template file and
>> figuring out where there is a mistake.
>>
>> On my puppetmaster with --debug I get the following error
>> debug:
template[/etc/puppet/**manifests/lib/redis/templates/**redis.conf.erb]:
>> Bound template variables for
/etc/puppet/manifests/lib/**redis/templates/redis.conf.erb
>> in 0.00 seconds
>>
>> On the client I get
>> err: Could not retrieve catalog from remote server: No content type in
>> http response; cannot parse.
>>
>> I am certain that there is something wrong in my template. How do I
debug
>> binding of template variables ?  Is there a verbose mode that would
tell me
>> where the binding breaks ?
>>
>> The template is available at https://github.com/7terminals/**
>>
puppet-redis/blob/master/**templates/redis.conf.erb<https://github.com/7terminals/puppet-redis/blob/master/templates/redis.conf.erb>and
the full module is hosted at
>>
https://github.com/7terminals/**puppet-redis/<https://github.com/7terminals/puppet-redis/>
>>
>> Ironically, when running in standalone mode i.e puppet apply
tests/ini.pp
>> this module/template seems to work.
>>
>>
>> ~Francis
>>
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>
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Looks like this is related to https://projects.puppetlabs.com/issues/9901 I
have changed ''daemonize <%= daemonize %>'' to
''daemonize <%= @daemonize %>''
and it seems to work.

The variable daemonize seems to collide with Ruby method names as
docuimented here http://docs.puppetlabs.com/guides/templating.html

Helpful error messages would be nice in these cases


~Francis

On Wed, Mar 20, 2013 at 11:39 AM, Francis Pereira <
francispereira@7terminals.com> wrote:
> Figured it out - by removing the line ''daemonize <%= daemonize
%>'' from
> the template, the template works as expected. Looks like the variable whose
> name is deamonize ( <%= daemonize %>)  for some reason does not play
nice
> in a template. Can someone shed some light on reserved variables in
> templates
>
>
> ~Francis
>
>
> On Tue, Mar 19, 2013 at 11:04 PM, Ellison Marks <gtyaoi@gmail.com>
wrote:
>
>> If it''s working using the declaration from your tests
directory, but not
>> from your master, then it stands to reason that either something is
wrong
>> with the way you''re calling it on the master or something is
wrong in your
>> master setup that is causing a communication error. Could you post how
>> you''re calling it from your master?
>>
>>
>> On Tuesday, March 19, 2013 6:29:12 AM UTC-7, Francis Pereira wrote:
>>>
>>> I seem to have made some error in my template but cant seem find a
way
>>> to debug it except for removing (deleting) parts of the template
file and
>>> figuring out where there is a mistake.
>>>
>>> On my puppetmaster with --debug I get the following error
>>> debug:
template[/etc/puppet/**manifests/lib/redis/templates/**redis.conf.erb]:
>>> Bound template variables for
/etc/puppet/manifests/lib/**redis/templates/redis.conf.erb
>>> in 0.00 seconds
>>>
>>> On the client I get
>>> err: Could not retrieve catalog from remote server: No content type
in
>>> http response; cannot parse.
>>>
>>> I am certain that there is something wrong in my template. How do I
>>> debug binding of template variables ?  Is there a verbose mode that
would
>>> tell me where the binding breaks ?
>>>
>>> The template is available at https://github.com/7terminals/**
>>>
puppet-redis/blob/master/**templates/redis.conf.erb<https://github.com/7terminals/puppet-redis/blob/master/templates/redis.conf.erb>and
the full module is hosted at
>>>
https://github.com/7terminals/**puppet-redis/<https://github.com/7terminals/puppet-redis/>
>>>
>>> Ironically, when running in standalone mode i.e puppet apply
>>> tests/ini.pp this module/template seems to work.
>>>
>>>
>>> ~Francis
>>>
>>>  --
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>> email to puppet-users+unsubscribe@googlegroups.com.
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>>
>>
>>
>
>
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On 03/20/2013 08:09 AM, Francis Pereira wrote:
> Looks like this is related
> to https://projects.puppetlabs.com/issues/9901 I have changed
''daemonize
> <%= daemonize %>'' to ''daemonize <%= @daemonize
%>'' and it seems to work.
> 
> The variable daemonize seems to collide with Ruby method names as
> docuimented here http://docs.puppetlabs.com/guides/templating.html
Good find!
> Helpful error messages would be nice in these cases
Humm, difficult - the problem originates in the bowels of the erb engine
I presume. Calling a daemonize method is not even strictly illegal, so
there is likely no exception to catch and process. Perhaps it can be
made illegal. I''ll take a look at that bug report some time.

Cheers,
Felix

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