[chef] Re: Re: Re: Re: testing for mounted fs, and trying shell_out

[AJ Christensen < >]

ShellOut also has a #shell_out! (bang) method, which checks the exit status:

https://github.com/opscode/chef/blob/master/chef/lib/chef/mixin/shell_out.rb#L34-38

Cheers,

AJ


On 26 September 2012 10:10, Brasic, Carl 
<
 >
 wrote:
> On Tue, Sep 25, 2012 at 4:43 PM, 
> <
 >
>  wrote:
>> cool... so my approach to the task using shell_out and begin/rescue is
>> sane, if not good?
>
> Seems like you're expecting shell_out to raise an exception if  the
> grep command doesn't find the mount.  That's not how shell_out works,
> so your rescue block will never run.
> Instead you should be checking #exitstatus:
>
>   if node['ec2']
>     ebs_mounted = shell_out("grep /ebs /proc/mounts 2>&1 | grep -q
> md[1-9]").exitstatus.zero?
>   end
>
> Thanks,
> Carl