So, the snipped below does not work, but I wish that it did. It also
isn't limited to package promises either, I can think of cases for file
and command promises as well.
At a high level, I am trying to define per-host lists, then iterate over
those lists, but only on the appropriate host.
<-----snip----->
bundle agent testing {
vars:
any:: 'common' slist => { 'foo', 'quux', 'fubar' };
alpha:: 'pkgs[alpha]' slist => { 'foo', 'bar', 'baz' };
beta:: 'pkgs[beta]' slist => { @{common}, 'yipyip' };
delta:: 'pkgs[delta]' slist => { 'yipyip' };
packages:
# only "NY" is needed, since the others are squished into this in
# yum.cf
centos.!NY::
"${pkgs[${sys.uqhost}]}"
handle => "per_host_packages_for_${sys.uqhost}",
package_policy => 'add',
package_method => yum,
ifvarclass => isvariable("pkgs[${sys.uqhost}]"),
package_architectures => { 'x86_64' };
}
<-----snip----->
What happens is that "${pkgs[${sys.uqhost}]}" is evaluated once, with
only "${sys.uqhost}" getting processed, leaving the string as a literal
"${pkgs[alpha]}" ). This will, of course, fail when passed to the
actual promise in question.
I do have a workaround, but it's inelegant. Bascially, flatten the
array into multiple slists, and have a separate promise for each one,
based on the hostnames.
So my question: Is there a concise way to do something like what I've
posted above?
--
Jesse Becker
NHGRI Linux support (Digicon Contractor)
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