Re: cfengine 2.0.3 andplugins

[José M. Fandiño]

Hello Patrice,

 I probed your solutions without any luck. Maybe, I'm losing anything. :-?

paguerlais@airfrance.fr wrote:
> 
> Never forget that cfengine parser is a one pass parser, and that the
> syntactic tree is calculted during that one pass. So, when cfengine parser
> analyze your script, it sees :
> - first, a call for a module, with a parameter which is undefined as a
> cfengine variable. Then it does no substitution, and relies on a shell to
> give the variable value (some sort of an environment variable)
> - then, a value for a variable. But it is too late for actionsequence, the
> parser has already done its job.
> 
> You should write :
> <solution 1>
> control:
>   ender_cc_s::
>                 ip_vpn_peer = ( 172.16.18.19 )
>   any::
>      actionsequence = (  "module:link.no $ip_vpn_peer " )
> 
> </solution 1>

# test 1 ###############################################

#!/var/cfengine/bin/cfagent -f

control:

  AddInstallable = ( no )
  Inform = ( on )
  SecureInput = ( on )
  SplayTime = ( 0 )
  Syslog = ( log )
  Verbose = ( on )
  AllowUsers = ( root )
  moduledirectory = ( /var/cfengine/modules )
  IfElapsed = ( 0 )


  ender_cc_s::
                ip_vpn_peer = ( 172.16.18.19 )

 any::

  actionsequence = (  "module:link.no $ip_vpn_peer " )




./p1
Checksum database is /var/cfengine/checksum.db
Sleeping for SplayTime 0 seconds

Reference time set to Tue Aug 13 17:45:28 2002

Job start time set to Tue Aug 13 17:45:28 2002


*********************************************************************
 Main Tree Sched: module:link.no $ip_vpn_peer  pass 1 @ Tue Aug 13 17:45:28 2002
*********************************************************************

---------------------------------------------------------------------
Plug-in `module:link'
---------------------------------------------------------------------

Exec module [/var/cfengine/modules/module:link $ip_vpn_peer ]
cfengine:ender-cc-s:module:link: ping: unknown host: $ip_vpn_peer
Job start time set to Tue Aug 13 17:45:28 2002


 
> or (my prefered one) :
> <solution 1>
> control:
>   ender_cc_s::
>                 ip_vpn_peer = ( 172.16.18.19 )
> 
>  control:
>   actionsequence = (  "module:link.no $ip_vpn_peer " )
> </solution 1>

# test 2 ###############################################

#!/var/cfengine/bin/cfagent -f

control:

  AddInstallable = ( no )
  Inform = ( on )
  SecureInput = ( on )
  SplayTime = ( 0 )
  Syslog = ( log )
  Verbose = ( on )
  AllowUsers = ( root )
  moduledirectory = ( /var/cfengine/modules )
  IfElapsed = ( 0 )


  ender_cc_s::
                ip_vpn_peer = ( 172.16.18.19 )

control:

  actionsequence = (  "module:link.no $ip_vpn_peer " )




./p2
Checksum database is /var/cfengine/checksum.db
Sleeping for SplayTime 0 seconds

Reference time set to Tue Aug 13 17:46:01 2002

Job start time set to Tue Aug 13 17:46:01 2002


*********************************************************************
 Main Tree Sched: module:link.no $ip_vpn_peer  pass 1 @ Tue Aug 13 17:46:01 2002
*********************************************************************

---------------------------------------------------------------------
Plug-in `module:link'
---------------------------------------------------------------------

Exec module [/var/cfengine/modules/module:link $ip_vpn_peer ]
cfengine:ender-cc-s:module:link: ping: unknown host: $ip_vpn_peer
Job start time set to Tue Aug 13 17:46:01 2002



> I prefer the second because you don't have to use the class any, so it
>              seems to me simpler to read and maintain. But it is just my
>              point of view.
> 
> Patrice
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