eucalyptus.rb

Path: lib/ohai/plugins/eucalyptus.rb
Last Update: Thu Jan 17 19:03:16 +0000 2013
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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

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.

Required files

ohai/mixin/ec2_metadata  

Methods

Public Instance methods

[Source]

    # File lib/ohai/plugins/eucalyptus.rb, line 30
30: def get_mac_address(addresses)
31:   detected_addresses = addresses.detect { |address, keypair| keypair == {"family"=>"lladdr"} }
32:   if detected_addresses
33:     return detected_addresses.first
34:   else
35:     return ""
36:   end
37: end

[Source]

    # File lib/ohai/plugins/eucalyptus.rb, line 39
39: def has_euca_mac?
40:   network[:interfaces].values.each do |iface|
41:     has_mac = (get_mac_address(iface[:addresses]) =~ /^[dD]0:0[dD]:/)
42:     Ohai::Log.debug("has_euca_mac? == #{!!has_mac}")
43:     return true if has_mac
44:   end
45: 
46:   Ohai::Log.debug("has_euca_mac? == false")
47:   false
48: end

[Source]

    # File lib/ohai/plugins/eucalyptus.rb, line 50
50: def looks_like_euca?
51:   # Try non-blocking connect so we don't "block" if 
52:   # the Xen environment is *not* EC2
53:   hint?('eucalyptus') || has_euca_mac? && can_metadata_connect?(EC2_METADATA_ADDR,80)
54: end

[Validate]