Re: Variables

Ho yes Nick i am not using these functions, it was an example to use 
parametrics classes.  Thanks for your help (Again and again ;) )

Le mardi 30 novembre 2021 à 02:23:23 UTC+1, Nick Anderson a écrit :

> You might like
> https://docs.cfengine.com/docs/3.18/reference-functions-findprocesses.html
> And or
> https://docs.cfengine.com/docs/3.18/reference-functions-processexists.html
>
>
> On Fri, Nov 26, 2021, 11:44 AM thierry thunot <[email protected]> wrote:
>
>> hi !!
>> I did this to meet my needs
>>
>> vars: 
>>        "services_testes" slist => { "sshd","apache2","cups" }; 
>>        "test_$(services_testes)" string => execresult("/usr/bin/ps 
>> aux|grep $(services_testes)|/usr/bin/grep -v grep |/usr/bin/grep -v \@",
>> "useshell"); 
>>        classes: 
>>        "service_ok_$(services_testes)" expression => strcmp("","
>> $(test_$(services_testes))"); 
>>
>>        reports: 
>>                "Service present $(services_testes)" 
>>                unless => "service_ok_$(services_testes)"; 
>>
>>                "Service NON present $(services_testes)" 
>>                if => "service_ok_$(services_testes)";
>>
>> Thank's again for your Help Nick!
>> Le mardi 23 novembre 2021 à 21:05:37 UTC+1, Nick Anderson a écrit :
>>
>>> thierry thunot <[email protected]> writes: 
>>>
>>> Hello everyone, I have a little problem with Cf. I want to use 
>>>> parameterized variables to create classes more easily .. I tested this for 
>>>> apache masi it is the philosophy that interests me to do this kind of test 
>>>>
>>>> bundle agent configuration_test_apache { vars: "liste_module_apache" 
>>>> slist => {"rewrite","ssl","session"}; 
>>>> "test_module_${liste_module_apache}_apache" string => 
>>>> execresult("/usr/sbin/apache2ctl -M|grep 
>>>> \({liste_module_apache}","noshell"); 
>>>>
>>> > > classes: > "module_\){liste_module_apache}_nok" expression => 
>>>>
>>>> strcmp("\({test_module_\){liste_module_apache}_apache}",""); reports: 
>>>> module_${liste_module_apache}_nok:: "MODULE APACHE ${liste_module_apache} 
>>>> pas présent"; 
>>>>
>>>
>>>> } 
>>>>
>>>> Can you advise me on the best way to proceed? Thank's !!! ;) 
>>>>
>>> Hi Thierry 
>>>
>>> Not sure what specifically you are looking for, but on a quick scan of 
>>> your policy: 
>>>
>>> I don't believe that you can *pipe* inside an execresult() without 
>>> using a shell. 
>>>
>>>
>>> execresult("/usr/sbin/apache2ctl -M|grep ${liste_module_apache}","noshell");
>>>
>>> Also, I don't think it applies to apache modules since I don't think 
>>> there are any whose names contain invalid class characters (e.g. -), 
>>> but if you are creating classes from arbitrary strings, you should 
>>> canonify() when *checking*. 
>>>
>>>
>>> "MODULE APACHE ${liste_module_apache} pas présent"
>>>   if => canonify( ${liste_module_apache} );
>>>
>>> And finally, you must *quote* a variable class expression, again, 
>>> beware if any liste_module_apache entry contains any characters that 
>>> are not valid in a class name, this won't work. 
>>>
>>>
>>> "module_${liste_module_apache}_nok"::
>>> "MODULE APACHE ${liste_module_apache} pas présent";
>>>
>>> -- 
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>>
>

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