Method: Amazon#alter_instances!

Defined in:
lib/cluster/infrastructures/amazon.rb

#alter_instances!(*iss) ⇒ Object

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# File 'lib/cluster/infrastructures/amazon.rb', line 230

def alter_instances!(*iss)
  list = iss.empty? ? instances : iss

  for ins in list.flatten
    yield ins if block_given?
    attrs = ins.attributes
    remove = attrs.keys.select {|k| attrs[k].empty? and attrs.delete(k) }
    unless remove.empty?
      sdb.delete_attributes domain, ins.aws_id, remove
    end
    sdb.put_attributes domain, ins.aws_id, ins.attributes, :replace
  end
end