On Friday, December 20, 2013 10:30:14 AM UTC-8, Fabrice Bacchella wrote:
Puppet 3.4 is out and broke an very usefull undocument feature.
>
> Previsiously, one can write :
>
> package {'bla':
> ensure => present,
> name => ['pkg1', 'pkg2']
> }
>
> and it will install pkg1 and pkg2.
>
> It now says :
> Parameter name failed on Package['blab']: Name must be a String not Array
> at /etc/puppet/modules/...
>
>
> I know this was undocument, considered as a bad practice. But I used it
> intensively because it provides a quick solution to 3 problems :
> - a small performance gain, it reduce the number of call to your package
> manage (at least in redhat) because it executes 'yum ... pkg1 pkg2' once
> - easier to read dependency, 'bla' was a symbolic name for a dependency
> set, and I could easily wrote :
> require => Package['bla']
> what ever the real packages list it was.
> - a easer solution to multiple dependencies for the same package, as I
> could write :
> in openssh module :
> package {'openssh':
> name => ['openssl', ...]
> }
>
> package {'https':
> name => ['openssl', ...]
> }
> without any complication to solve it. Yum would just be called twice for
> the same package.
>
> quick clean, very readable. I loved this feature^Wbug.
>
> I don't really hope to get this back, but can some on help on clean and
> quick alternative solution for the same feature set ?
>
Hi Fabrice,
This came up during the development of 3.4.0 and sparked quite a bit of
discussion that can be found in this Redmine ticket:
https://projects.puppetlabs.com/issues/22557
Eventually, it was decided not to restore the ability to pass an array of
packages to the name parameter because:
- It was an “accidental” feature that was never intended to work.
- It only works when the entire array of packages is in the same state.
If one package is out of sync with the rest, unexpected results will occur.
- We could not find any forge modules that exploited this behavior.
The recommended workaround is to pass an array of resource titles:
package {['pkg1', 'pkg2']:
ensure => present,
}
This won’t achieve the exact same effect, i.e. there will be multiple calls
to yum, but it is pretty close for most use cases.
Hope this helps!
--
Charlie Sharpsteen
Open Source Support Engineer
Puppet Labs
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