Re: Defining a Class based on ShellCommand Output or No Output

[Frank Smith]

--On Friday, August 05, 2005 11:48:40 -0400 "Brian E. Seppanen" 
<seppy@chartermi.net> wrote:

> On Thu, 4 Aug 2005, Ed Brown wrote:
> 
>> This uses ReturnsZero, but not a secondary script.  Also, it was tested
>> on linux.  Would something like this work for you:
>> 
>> classes:
>>  SmcOn = ( ReturnsZero(/bin/sh -c "netstat -ln |grep -q 898") )
> 
> 
> Thanks for the additional syntax hints.  On solaris I ended up having to use
>   smcstop = ( ReturnsZero(/usr/xpg4/bin/sh -c "/usr/bin/netstat -an | 
> /usr/xpg4/bin/grep -q 898")
> 
> before it would work...
> 
> Somewhat offtopic, but would anyone mind giving a brief synopsis of what the 
> /usr/xpg4 stuff is?

It's the POSIX-compliant versions of various utilities. 'man xpg' for more 
details.

Frank

> 
> I didn't realize I was going to have to initiate it's own shell to accomplish 
> it, but I got a bunch of errors without initiating /usr/xpg4/bin/sh.
> 
> I tried ( ReturnsZero(/usr/bin/netstat -an | /usr/xpg4/bin/grep -q 898) )
> and got invalid argument arguments for netstat
> 
> I tried it with single quotes and double ( ReturnsZero('/usr/bin/netstat -an 
> | /usr/xpg4/bin/grep -q 898')  )
> ( ReturnsZero("/usr/bin/netstat -an | /usr/xpg4/bin/grep -q 898")  )
> 
> cf:cfengine::/var/cfengine/os/solaris/cf.solaris:18: ExecResult(/command) 
> must specify an absolute path
> 
> 
> The good news is it works now.  Thanks for the help.
> 
> Brian Seppanen
> 608.826.1464
> 
> 
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-- 
Frank Smith                                      fsmith@hoovers.com
Sr. Systems Administrator                       Voice: 512-374-4673
Hoover's Online                                   Fax: 512-374-4501