Justin,
perhaps, you shouldn't insist on exact match. It seems to be
sufficient to match vital parts of string you want to maintain, e.g.
classes:
"must_be_changed" not => regcmp(".*-C 3.*-c.*-p 1m.*", "$(args)");
2010/5/26 Justin Lloyd <jll...@digitalglobe.com>:
> I'm trying to decide how best to manage certain entries in Solaris
> /etc/logadm.conf files. Initially, I'm just trying to ensure that
> /var/adm/wtmpx is being rotated correctly. However, there are a couple
> of catches in trying to manage this file.
>
> 1. The file is generally maintained through the logadm(1M) command, so
> that would imply that commands promises would be better than files
> promises. However...
>
> 2. Whenever logadm rotates a file, it adds an option to the file's entry
> to record the last rotation time for the file. For example, a new wtmpx
> entry like
>
> /var/adm/wtmpx -C 3 -c -p 1m
>
> might become
>
> /var/adm/wtmpx -C 3 -P 'Sat May 8 03:10:00 2010' -c -p 1m
>
> The location of the "-P 'timestamp'" option does not appear
> deterministic. This complicates trying to determine whether the wtmpx
> entry is correct. For example, say I have a bundle to which I pass a
> filename a list of options:
>
> "wtmpx" usebundle => _rotate_solaris_log("/var/adm/wtmpx", "-C 3 -c
> -p 1m");
>
> In the bundle, I see if there is already an entry that begins with
> /var/adm/wtmpx. If not, I add it. If so, I leave it alone. However,
> if/when I want to change the rotation parameters (say, changing "-p 1m"
> to "-p 1w"), an exact match against the parameter string won't work
> because of the added -P flag, and I'd like to avoid changing the line
> EVERY time Cfengine runs.
>
> Any thoughts that I might not have considered yet on how to approach
> managing this file? Note that the parameters for wtmpx, for example, may
> vary based on classes.
>
> Thanks,
> Justin
>
> --
> Justin C. Lloyd
> Unix Infrastructure Engineer
> DigitalGlobe, An Imaging and Information Company
>
>
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