Class: Cloudmaster::StatusParserLifeguard

Inherits:
Object
  • Object
show all
Defined in:
app/status_parser_lifeguard.rb

Instance Method Summary collapse

Instance Method Details

#parse_message(body) ⇒ Object

Parse a lifeguard message.



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# File 'app/status_parser_lifeguard.rb', line 13

def parse_message(body)
  msg = { :type => 'status'}
  doc = REXML::Document.new(body)
  doc.root.each_element do |elem|
    val = elem.get_text.to_s.lstrip.rstrip
    case elem.name
    when 'InstanceId'
      msg[:instance_id] = val
    when 'State'
    case val
    when 'busy'
 # Lifeguard's busy maps into active
 msg[:state] = 'active'
 msg[:load_estimate] = 1
    else
 # all else maps to idle
 msg[:state] = 'idle'
 msg[:load_estimate] = 0
    end    
    when 'Timestamp'
    if ! val.include?('-')
 # This is a mock time
 msg[:timestamp] = Clock.at(val.to_i)
    elsif val.include?('T')
 # This is a time in xmlschema form
 msg[:timestamp] = Clock.xmlschema(val)
    else
 # OK, let's try plain parse (don't expect this to happen)
 msg[:timestamp] = Clock.parse(val)
    end
    end
  end
  msg
end