Re: Help with cfengine architecture

[Mark Burgess]

Perhaps use of methods is the answer?

http://www.cfengine.org/docs/cfengine-Reference.html#methods
http://www.cfengine.org/confdir/backup.html

Zeev Fisher wrote:
> Hi cfengine users,
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> I need your advice.
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> 
> I’m a veteran user of cfengine.  When all machines are the same there’s
> no problem with current cfengine config method ,but when there are
> differences, I find myself mess with lots of excludes.  This leads to
> confusions.
> 
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> 
> I need to setup cfengine in new site and this time I would like to
> achieve the following in order to overcome the problem above:
> 
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> 
> There will be hierarchical tree which include all possible options for
> matching machines. The top level is the site name , then os , os version
> down to the machine name ( optional . The tree can stop in each level
> according to relevant needs). Each level will also have “All” level
> which include all machine in this level. For example:
> 
>  
> 
> All
> 
> London
> 
> Paris
> 
> TelAviv/All
> 
>            Linux/All
> 
>                    RHEL/All
> 
>                             3/All
> 
>                                Hostname
> 
>                             4
> 
>                    SuSE
> 
>            Solaris/All
> 
>                       8/
> 
>                       9
> 
>                       10
> 
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> 
> Each level will include cfengine files. Their names will identify their
> purpose. For example : cf.dns or cf.sendmail
> 
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> 
> *Cfengine agent will be* *able to determine in which level the machine
> reside and according to it import all relevant files.*
> 
>  
> 
> I know that it might be possible to prepare some pre script which
> identify all relevant files in the tree and prepare every time input
> file for cfagent but any idea how to implement this without external
> script will be appreciated.
> 
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> 
> Also, you are welcome of course to comment on this method.
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> Thanks
> 
> Zeev
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> ------------------------------------------------------------------------
> 
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-- 
Mark Burgess

Professor of Network and System Administration
Oslo University College

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