I think you picked a bad example :)
Java installs a symlink /usr/java/latest which points to (surprise!) the
latest version that is installed.
Or maybe this is a Java 1.6 thing in which case you might want to
accelerate your migration
Edward Bailey wrote:
> To explain the background behind my question
>
> We have a number of situations where it would be great if I could have
> puppet automatically maintain a symlink for a resource such as the
> Java JVM.
>
> For example - we install the JDK in /usr/java so after the RPM
> install, the path to the JVM is /usr/java/jdk1.5.0_16. In order to
> simplify application configuration, I like to make JAVA_HOME something
> generic like /usr/java/java. I do this by creating a symlink
>
> ln -s /usr/java/jdk1.5.0_16/ /usr/java/java
>
> I would like to have puppet maintain the symlink so that when YUM
> updates the JVM, the symlink gets updated as well. I know I could do
> this in the RPM or using exec but that sounds like too much work:)
>
> Just for fun I tried to setup a file type in puppet to create the
> symlink using a wildcard. I did not expect this to work given the need
> for shell expansion.
>
> file { "/usr/java/java":
> ensure => "/usr/java/jdk1.*"
> }
>
> Is their another way to do this in the puppet framework? I can do this
> using exec, but I wanted to work from within puppet first.
>
> Thanks for any ideas
>
> Ed
>
>
> >
--
Trevor Hemsley
Infrastructure Engineer
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