On 6/21/2010 9:44 AM, no-re...@cfengine.com wrote:
>
> I'm trying to build a promise which allows me to downgrade a package on
> demand. I wrote the following method:
>
>
> bundle force_package(name, version)
> {
> packages:
> centos::
> "$(name)"
> package_method => yum,
> package_policy => "reinstall",
> package_version => "$(version)",
> package_select => "==",
> comment => "Enforce package";
> }
>
>
> Unfortunately, that doesn't work as expected because yum reinstall will just
> reinstall the version installed. To make it possible to downgrade a package,
> package_policy "reinstall" must perform yum remove and then yum install using
> the specific version number.
>
> Is there any other method to achieve that? Did I miss something?
Very recent versions of yum have some downgrade capabilities but even
there the results are up to the rpm packaging/scripts which may not
expect this case. The yum version in CentOS doesn't handle it at all -
and you have to be careful about yum removes taking large numbers of
other packages as dependencies.
--
Les Mikesell
lesmikes...@gmail.com
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