> I am very new to puppet and wants to implement something like this in my
> puppet template (erb file)
>
> the logic i am trying to do is :
>
> sssd_count=`rpm -qa | grep 'sssd' | wc -l`
>
> <% if sssd_count =2 -%>
> session optional sss.so
> <% else %>
> session optional pam_ldap.so
> <% end -%>
>
> but the backtick does not work.. or i am unable to store the expected value
> in to sssd_count
> is there any other way to perform this task ??
You probably want the syntax to look something like:
<% sssd_count=`rpm -qa | grep 'sssd' | wc -l` -%>
<% if sssd_count =2 -%>
session optional sss.so
<% else %>
session optional pam_ldap.so
<% end -%>
Notice how I've wrapped the variable declaration in <% -%>. However, I
imagine the real problem here is that templates do not run on the
destination agent, they run on the puppet master - which is probably
why it hasn't been working out for you. So unless you're running in
masterless mode, forget this methodology.
> I will be really grateful if i can get some help ..
A far more efficient way of doing this, is to make your module install
the 'sssd' package for you (could be conditional also). That way
you're not having to detect the state of the package, instead you are
enforcing the state you want.
If you really can't do this, then what you want is to write a fact
that tells you weither the package is installed or not or just a fact
that grabs all packages perhaps, and you later pick the package from a
list. Facts run on the agent very early in the cycle, and their
content is submitted to the master - so can be used in templates like
the one you have created.
ken.
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