Module: Wakame::VmManipulator::EC2::MetadataService

Included in:
Wakame::VmManipulator::EC2
Defined in:
lib/wakame/vm_manipulator.rb

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.fetch_local_attrs ⇒ Object 



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# File 'lib/wakame/vm_manipulator.rb', line 169

def fetch_local_attrs
  attrs = {}
  %w[instance-id instance-type local-ipv4 local-hostname public-hostname public-ipv4 ami-id].each { |key|
    rkey = key.tr('-', '_')
    attrs[rkey.to_sym]=query_metadata_uri(key)
  }
  attrs
end

.query_metadata_uri(key) ⇒ Object 



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# File 'lib/wakame/vm_manipulator.rb', line 160

def query_metadata_uri(key)
  require 'open-uri'
  open("http://169.254.169.254/2008-02-01/meta-data/#{key}") { |f|
    return f.readline
  }
end

Instance Method Details

#fetch_local_attrs ⇒ Object 



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# File 'lib/wakame/vm_manipulator.rb', line 169

def fetch_local_attrs
  attrs = {}
  %w[instance-id instance-type local-ipv4 local-hostname public-hostname public-ipv4 ami-id].each { |key|
    rkey = key.tr('-', '_')
    attrs[rkey.to_sym]=query_metadata_uri(key)
  }
  attrs
end

#query_metadata_uri(key) ⇒ Object 



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# File 'lib/wakame/vm_manipulator.rb', line 160

def query_metadata_uri(key)
  require 'open-uri'
  open("http://169.254.169.254/2008-02-01/meta-data/#{key}") { |f|
    return f.readline
  }
end