Hi Zeev,
(IMHO)
it seems that your approach is backward. Wouldn't be easer to set a
cf.dns and then inside that file, make the appropriate class/group
divisions...
ie,
cf.dns
site:
resolv
site2:
resolv
site3:
resolv
and so on...
as far as minimizing excludes, I find it easier to define classes
earlier, ie
site1workstations (IpRange( blah-blah ), Somehost, !thisDHCPserver )
and
allworkstations = (site1workstations site2workstations )
and use these class in the config files.
This approach seems to work for me, without needing to use a long
class definition. The downside is sometimes I need to rearrange my
classes around, and it can be a bit much. Especially when it's
onesies-twosies.
hth.
-luis
*********
Luis E. Cerezo
On Dec 9, 2006, at 1:53 PM, Zeev Fisher wrote:
Hi cfengine users,
I need your advice.
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.
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:
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
Each level will include cfengine files. Their names will identify
their purpose. For example : cf.dns or cf.sendmail
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.
Also, you are welcome of course to comment on this method.
Thanks
Zeev
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