ubuntu12.04-ironfan.erb template fails when keys.gnupg.net unavailable

[westbywest]

This template tries to fetch a GPG key for the Opscode apt repo from keys.gnupg.net, and bootstrap will fail if that keyserver isn't available:

ec2-XXX.us-east-1.compute.amazonaws.com WARNING: options in `/home/ubuntu/.gnupg/gpg.conf' are not yet active during this run
ec2-XXX.us-east-1.compute.amazonaws.com gpg: keyring `/home/ubuntu/.gnupg/secring.gpg' created
ec2-XXX.us-east-1.compute.amazonaws.com gpg: keyring `/home/ubuntu/.gnupg/pubring.gpg' created
ec2-XXX.us-east-1.compute.amazonaws.com gpg: requesting key 83EF826A from hkp server keys.gnupg.net
ec2-XXX.us-east-1.compute.amazonaws.com gpg: keyserver timed out
ec2-XXX.us-east-1.compute.amazonaws.com gpg: keyserver receive failed: keyserver error
ec2-XXX.us-east-1.compute.amazonaws.com Chef bootstrap failed!