(Resending to the entire list) I'm suggesting an email is only sent when
Cfengine attempts to repair a promise, not evaluate every single one.
And filtering would certainly be used, no matter what, I'm sure. :)
As for the nodename example, it depends on how you write the promise. If
you do
bundle edit_line fix_nodename {
delete_lines:
".*";
insert_lines:
"$(sys.uqhost)";
}
Then Cfengine will "repair" the file every time, right? You'd want
something more like this (untested):
bundle edit_line fix_nodename {
delete_lines:
"$(sys.uqhost)" not_matching => "true";
insert_lines:
"$(sys.uqhost)";
}
The second would only delete incorrect lines if there are any and then
only insert the hostname line if there isn't one, meaning that if the
file is already correct, neither promise needs to be repaired.
Justin
-----Original Message-----
From: [email protected] [mailto:[email protected]]
Sent: Friday, February 05, 2010 11:02 AM
To: Justin Lloyd
Cc: [email protected]; [email protected]
Subject: Re: Email notification of repairs
I don't see how this could scale. Even a small policy can have dozens
of
promises. A email for each one would just flood my mailbox.
> For example, if I have a promise to ensure that a Solaris system?s
> hostname is in /etc/nodename, I should write the promise so that it
> doesn?t do anything if the file is correct, rather than just
> recreating the correct file every time the agent runs, regardless of
> whether the file?s contents are already correct.
You've lost me here. If /etc/nodname has the correct contents Cfengine
will not recreate the file it will do nothing. This is normal.
Sincerely,
--
Neil Watson
416-673-3465
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