Jira (PDB-2649) Puppet::Parser::Compiler failed with error NoMethodError: undefined method `downcase' for :undef:Symbol

William Rodriguez (JIRA) Tue, 31 Oct 2017 10:56:32 -0700

Title: Message Title

PDB-2649

I recently ran into this error. I had a user write some code that was setting tags based off of a fact that was set via hostname.

require 'facter'

Facter.add('hadoop_cluster') do

  setcode do

    hostname = Facter.value(:hostname)

    case hostname

    when /^testhdp.*$/

      "testhdp"

end

end

end

When they went to go collect it they had it being set like so:

@@host { $facts['fqdn']:

  ip           => $facts['ipaddress'],

  host_aliases => $facts['hostname'],

  tag          => $facts['hadoop_cluster']

Host <<| tag == $facts['hadoop_cluster'] |>>

When they applied this to a prod node, I spent well over an hour trying to figure out what in the heck was failing and where we were calling downcase.

I don't necessarily want a "fix", but better logging to tell me what I'm doing dumb would be nice.

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Jira (PDB-2649) Puppet::Parser::Compiler failed with error NoMethodError: undefined method `downcase' for :undef:Symbol

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