Hello all,
I cannot seem to get Facter to always return a value. In this instance I am
pulling the Java version from our systems, but would like there to be an
entry that says "null" within the facts of systems that don't have any Java
clients installed. Here is the basic facter that pulls the Java version,
and it works as expected:
Facter.add("java_version") do
confine :osfamily => "Debian"
setcode do
Facter::Util::Resolution.exec("java -version 2>&1 | grep Runtime | sed
s/\[\\(\\)]//g | cut -d ' ' -f6")
end
end
However, this returns nothing at all if no Java clients are installed. This
fact is simply absent from those system's inventories. I have tried various
if/else cases, such as this, just for testing purposes:
Facter.add("java_version") do
confine :osfamily => "Debian"
setcode do
if :osfamily == "Debian"
Facter::Util::Resolution.exec("java -version 2>&1 | grep Runtime | sed
s/\[\\(\\)]//g | cut -d ' ' -f6")
else
"null"
end
end
end
... but this always resolves to "null", even when run on a platform that
shows "osfamily => Debian". Does anone have some ideas on how to return the
JAva client version when it is present, but to populate this fact with
"null" if no client is present?
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