Marc, or anyone still paying attention.
Sorry for the necro.
I am trying to something similar to
> exec { "update-java-alternatives --set java-6-sun":
> unless => 'test $(readlink /etc/alternatives/java) ==
> "/usr/lib/jvm/java-6-sun/jre/bin/java"',
> require => Package["sun-java6-bin"],
> }
>
I am using the jdk_oracle module
(https://forge.puppetlabs.com/bcarpio/java_jdk or puppet module install
tylerwalts-jdk_oracle). It runs the java and javac exec to apply the
etc-alternates every single time puppet is run. I tried to add the unless
line to it's definition.
exec { "/usr/sbin/update-alternatives --install /usr/bin/java java
>> ${java_home}/bin/java 20000":
>
> require => Exec['extract_jdk'],
>
> unless => "test $(readlink /etc/alternatives/java) ==
>> '${java_home}/bin/java'",
>
>
>> }
>
> With that definition, it still runs every single time. While trying to
debug what is going on, I moved the entire unless statement to a notify,
and got the following output
> Notice: /Stage[main]/Jdk_oracle/Notify[test $(readlink
> /etc/alternatives/java) == '/opt/jdk1.7.0_55/bin/java']/message: defined
> 'message' as 'test $(readlink /etc/alternatives/java) ==
> '/opt/jdk1.7.0_55/bin/java''
if I execute the readlink part of that line in my shell, I see the
following.
> $ readlink /etc/alternatives/java
> /opt/jdk1.7.0_55/bin/java
Two questions...
1. How can I debug what is going on with that statement? making it an
unless, it always runs, making it an onlyif, it never runs, so something is
not working with the comparison. Is there something different I should be
using for the compare? (tripple equals, contains, etc..)
2. How can I debug the value of the readlink statement (subshell
execution?). It doesn't work in notify. I have tried assigning it to a
value and then using notify, that didn't work either.
Thanks for your help!
On Thursday, September 24, 2009 7:01:49 AM UTC-4, Marc Fournier wrote:
>
> Hello,
>
> > there any reason not to configure debian alternatives this way?
> >
> > file {
> > "/etc/alternatives/java":
> > ensure => "/usr/lib/jvm/java-6-sun/jre/bin/java";
> > }
>
> I do the same thing this way:
>
> exec { "update-java-alternatives --set java-6-sun":
> unless => 'test $(readlink /etc/alternatives/java) ==
> "/usr/lib/jvm/java-6-sun/jre/bin/java"',
> require => Package["sun-java6-bin"],
> }
>
> But for alternatives other than java, it probably is fine to do
> as you describe.
>
> Marc
>
>
>
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