[[chef-dev]] Re: [[chef-dev]] Re: [[chef-dev]] Modifying the solaris2 Ohai plugin.

[Daniel DeLeo < >]

On Wednesday, July 20, 2011 at 9:21 PM, Jason J. W. Williams wrote:
> Yeah it is. I added the following to plugin/platform.rb:
> 
> puts "#{os}::platform"
> 
> It printed the following when running ohai:
> 
> solaris2::platform
> 
> Did that to make sure the 'require_plugin "{os}::platform"' line was 
> loading the right plugin. 
> 
> -J
> 
Can you run it with -l debug and post the output? There should be a 
stacktrace in there somewhere.

FWIW, ohai basically never fails, it rescues every error and silently 
continues, only showing the error when running with debug logging.


-- 
Dan DeLeo 
> Sent via iPhone
> 
> Is your email Premiere?
> 
> On Jul 20, 2011, at 22:15, Benjamin Black 
> <
 
>  
> (mailto:
 )>
>  wrote:
> 
> > is it even identifying the system as solaris2? if not, it wont run that 
> > plugin.
> > 
> > b
> > 
> > On Jul 20, 2011, at 9:11 PM, "Jason J. W. Williams" 
> > <
 
> >  
> > (mailto:
 )>
> >  wrote:
> > 
> > > Actually I have put puts in both plugins/platform.rb and 
> > > plugins/solaris2/platform.rb. The latter (stock from opscode except for 
> > > the puts statement) never gets hit. Which also explains why ohai 
> > > doesn't traceback when run on OpenIndiana (it should in its current 
> > > form because OI uses GNU uname which doesn't support the -X option the 
> > > defacto solaris2 plugin uses). 
> > > 
> > > -J
> > > 
> > > Sent via iPhone
> > > 
> > > Is your email Premiere?
> > > 
> > > On Jul 20, 2011, at 21:58, Daniel DeLeo 
> > > <
 
> > >  
> > > (mailto:
 )>
> > >  wrote:
> > > 
> > > > On Wednesday, July 20, 2011 at 7:55 PM, Jason J. W. Williams wrote:
> > > > > I'm trying to modify the platform.rb module of the Ohai Solaris2
> > > > > plugin in order to extend it to detect the various distributions of
> > > > > Solaris (Solaris/Solaris Express, OpenIndiana, Nexenta, etc.).
> > > > > However, if I modify the file:
> > > > > 
> > > > > /usr/lib/ruby/gems/1.9.1/gems/ohai-0.6.4/lib/ohai/plugins/solaris2/platform.rb
> > > > > 
> > > > > ...my changes don't seem to take effect. I've even tried adding:
> > > > > platform "test123"
> > > > > 
> > > > > However the platform still indicates "solaris2" when I run Ohai. 
> > > > > This
> > > > > appears to be from the line:
> > > > > 
> > > > > platform os unless attribute?("platform")
> > > > I think you're getting confused by if/unless here:
> > > > 
> > > > platform os unless attribute?("platform")
> > > > platform os if (not (attribute?("platform"))
> > > > platform os if (not ( false ) )
> > > > platform os if ( true )
> > > > platform os
> > > > 
> > > > > 
> > > > > in 
> > > > > /usr/lib/ruby/gems/1.9.1/gems/ohai-0.6.4/lib/ohai/plugins/platform.rb,
> > > > > because attribute?("platform") is evaluating to false. It appears 
> > > > > that
> > > > > Ohai isn't running platform.rb in the solaris2 plugin at all. Any
> > > > > pointers are greatly appreciated.
> > > > > 
> > > > > -J
> > > > Not sure how else to help except for some general tips:
> > > > 
> > > > * don't be afraid of "printf debugging". Add puts statements 
> > > > everywhere.
> > > > * for structured data, require 'pp' and then use pp for your printf 
> > > > debugging
> > > > * try it running ohai from the command line if you're not already
> > > > 
> > > > Good luck
> > > > 
> > > > -- 
> > > > Dan DeLeo