On 18-01-11 13:49, Jesse Becker wrote:
> On Tue, Jan 18, 2011 at 04:48, Bas van der Vlies<[email protected]> wrote:
>>> ## Report if we lost contact with our policy server for an hour
>>> #
>>> bundle agent cfengine3_check_server_connectivity
>>> {
>>> vars:
>>> "myhosts" slist => { hostsseen("1","notseen","address") };
>>>
>>> classes:
>>> "cfengine_no_connectivity" expression => reglist("@(myhosts)",
>>> escape("$(g.policyserver)"));
>>>
>>> reports:
>>> cfengine_no_connectivity::
>>> "Not seen cfengine3 policy server: $(g.policyserver) for at least a
>>> hour";
>>> }
>>>
>>>
>>
>> Just a warning for this bundle when i run in verbose mode i get strange
>> messages like:
>> cf3 !! Duplicate selection of value for variable "myhosts" in scope test
>> cf3 !! Rule from /var/tmp/lastseen.cf at/before line 17
>>
>> multiple time. I have reported this:
>> https://cfengine.com/bugtracker/view.php?id=448
>>
>> This is with a version cf3 from trunk
>
> I wonder....
>
> Does it go away if you write:
>
>
> vars:
> "myhosts" slist => { hostsseen("1","notseen","address") }, policy =>
> 'free';
>
>
> Alternately, if you use a convoluted construct like this? This should
> cause the hostseen() function and 'myhosts' variable to be evaluated
> only once.
>
Thanks for tip. So we values change the key is to use the policy statement.
This is also useful for storage constructions.
Thanks
> bundle agent cfengine3_check_server_connectivity {
> vars:
> !has_myhosts::
> "myhosts" slist => { hostsseen("1","notseen","address") };
>
> classes:
> 'has_myhosts' => isvariable('myhosts');
> "cfengine_no_connectivity" expression =>
> reglist("@(myhosts)",escape("$(g.policyserver)"));
>
> reports:
> cfengine_no_connectivity::
> "Not seen cfengine3 policy server: $(g.policyserver) for at least a hour";
> }
>
>
>
>
>
--
********************************************************************
* Bas van der Vlies e-mail: [email protected] *
* SARA - Academic Computing Services Amsterdam, The Netherlands *
********************************************************************
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