Question

Can I access environment variables with Facter in Puppet?

Answer 1

Hey @Ruth, not directly. However, Facter reads in custom facts from a special subset of environment variables. Any environment variable with a prefix of FACTER_ will be converted into a fact when Factor runs.

example:

$ FACTER_FOO=”bar” $ export FACTER_FOO</span> $ facter | grep ‘foo’</span> foo => bar

The value of the FACTER_FOO environment variable would now be available in your Puppet manifests as $foo, and would have a value of ‘bar’. Using shell scripting to export an arbitrary subset of environment variables as facts is left as an exercise for the reader
.