/usr/lib/ruby/vendor_ruby/ohai/plugins/eucalyptus.rb is in ohai 8.4.0-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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# Author:: Tim Dysinger (<tim@dysinger.net>)
# Author:: Benjamin Black (<bb@opscode.com>)
# Author:: Christopher Brown (<cb@opscode.com>)
# Copyright:: Copyright (c) 2009 Opscode, Inc.
# License:: Apache License, Version 2.0
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
require 'ohai/mixin/ec2_metadata'
Ohai.plugin(:Eucalyptus) do
include Ohai::Mixin::Ec2Metadata
provides "eucalyptus"
depends "network/interfaces"
def get_mac_address(addresses)
detected_addresses = addresses.detect { |address, keypair| keypair == {"family"=>"lladdr"} }
if detected_addresses
return detected_addresses.first
else
return ""
end
end
def has_euca_mac?
network[:interfaces].values.each do |iface|
has_mac = (get_mac_address(iface[:addresses]) =~ /^[dD]0:0[dD]:/)
Ohai::Log.debug("has_euca_mac? == #{!!has_mac}")
return true if has_mac
end
Ohai::Log.debug("has_euca_mac? == false")
false
end
def looks_like_euca?
# Try non-blocking connect so we don't "block" if
# the Xen environment is *not* EC2
hint?('eucalyptus') || has_euca_mac? && can_metadata_connect?(Ohai::Mixin::Ec2Metadata::EC2_METADATA_ADDR,80)
end
collect_data do
if looks_like_euca?
Ohai::Log.debug("looks_like_euca? == true")
eucalyptus Mash.new
self.fetch_metadata.each do |k, v|
# Eucalyptus 3.4+ supports IAM roles and Instance Profiles much like AWS
# https://www.eucalyptus.com/blog/2013/10/15/iam-roles-and-instance-profiles-eucalyptus-34
#
# fetch_metadata returns IAM security credentials, including the IAM user's
# secret access key. We'd rather not have ohai send this information
# to the server.
# http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/AESDG-chapter-instancedata.html#instancedata-data-categories
next if k == 'iam' && !hint?('iam')
eucalyptus[k] = v
end
eucalyptus[:userdata] = self.fetch_userdata
else
Ohai::Log.debug("looks_like_euca? == false")
false
end
end
end
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