"Dmitry V'yal" <akam...@gmail.com> writes:
> I'm currently administering a vps running a dozen of php-sites. I use
> several scripts for deploying new sites, updating them, taking the backups
> and so on. All the system is quite fragile and error-prone. I'm thinking
> about some more integrated solution. Can puppet be useful in my situation?
> Or is it primarily intended for managing big number of similarly configured
> hosts?
Puppet can be useful to you, but you might also have to change the way you
approach things.
Anyway, to answer the specific questions:
Yes, puppet is useful to you. (IMO, obviously.)
Regardless of if puppet is intended to manage multiple similar hosts, it is
still useful when you have a smaller number of unique hosts.
If every host is completely unique then you get one some benefits of puppet:
* you have a single place to review your configuration
* you can make changes without having to do it by hand
* puppet checks nothing has changed, and puts it back if something has
However, I bet that all your hosts are a *lot* more alike than you think:
* you probably use the same web server (apache, or so), and *mostly* have it
set up the same way on each machine, right?
* you probably use the same MTA on most machines
* you probably use the same log watching and checking stuff on 'em all
* you probably have similar needs for installing PHP and some extra PHP
modules, which are usually configured more or less the same.[1]
* you probably do a bunch of "install mysql, configure like this" stuff the
same on each host.
So, even at the scale you are looking I bet there is a whole lot of "same"
between the machines you can exploit — and if you actively look for that you
can create a whole lot more same.
(Plus, once your hosts are more similar than different you can spend all your
time focused on getting the software right rather than working out how you
set up this particular machine. :)
Daniel
Footnotes:
[1] ...or, perhaps, could be configured more or less the same.
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✣ Daniel Pittman ✉ dan...@rimspace.net ☎ +61 401 155 707
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