Class: CPEE::ModelManagement::StatReceive

Inherits:
Riddl::Implementation
  • Object
show all
Defined in:
lib/cpee-model-management/implementation.rb

Overview

}}}

Instance Method Summary collapse

Instance Method Details

#response ⇒ Object

{{{



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# File 'lib/cpee-model-management/implementation.rb', line 668

def response
  redis         = @a[0]
  receivers     = @a[1]
  topic         = @p[1].value
  event_name    = @p[2].value
  notification  = JSON.parse(@p[3].value.read)

  instancenr = notification['instance']
  content = notification['content']
  attr = content['attributes']
  engine = notification['cpee']

  prefix = File.join(engine,notification['instance-uuid'].to_s)

  if topic == 'state'  && event_name == 'change'
    if %w{abandoned finished}.include?(content['state'])
      parent = redis.get(File.join(prefix,'parent'))
      oldstate = redis.get(File.join(prefix,'state'))
      children = redis.lrange(File.join(prefix,'children'),0,-1)
      redis.multi do |multi|
        multi.decr(File.join(engine,oldstate)) rescue nil
        multi.incr(File.join(engine,'total_' + content['state']))
        multi.lrem(File.join(engine,'instances'),0,notification['instance-uuid'])
        multi.del(File.join(prefix,'instance-url'))
        multi.del(File.join(prefix,'author'))
        multi.del(File.join(prefix,'path'))
        multi.del(File.join(prefix,'name'))
        multi.del(File.join(prefix,'state'))
        multi.del(File.join(prefix,'cpu'))
        multi.del(File.join(prefix,'mem'))
        multi.del(File.join(prefix,'time'))
        children.each do |child|
          if parent
            multi.set(File.join(engine,child,'parent'),parent)
          else
            multi.del(File.join(engine,child,'parent'))
          end
        end
        multi.del(File.join(prefix,'children'))
        multi.del(File.join(prefix,'parent'))
        if parent
          multi.lrem(File.join(engine,parent,'children'),0,notification['instance-uuid'].to_s)
        end
      end
    elsif %w{ready}.include?(content['state'])
      exi = true if redis.lrange(File.join(engine,'instances'),0,-1).include?(notification['instance-uuid'])
      redis.multi do |multi|
        unless exi
          multi.incr(File.join(engine,'total_created'))
          multi.incr(File.join(engine,'ready'))
          multi.rpush(File.join(engine,'instances'),notification['instance-uuid'])
        end
        multi.set(File.join(prefix,'instance-url'),notification['instance-url'])
        multi.set(File.join(prefix,'author'),attr['author'])
        multi.set(File.join(prefix,'state'),content['state'])
        multi.set(File.join(prefix,'path'),File.join(attr['design_dir'],attr['info']+'.xml')) unless attr['design_dir'].nil? || attr['info'].nil?
        multi.set(File.join(prefix,'name'),attr['info'])
        multi.set(File.join(prefix,'cpu'),0)
        multi.set(File.join(prefix,'mem'),0)
        multi.set(File.join(prefix,'time'),0)
      end
    elsif %w{stopping}.include?(content['state'])
      redis.set(File.join(prefix,'state'),content['state'])
    elsif %w{stopped}.include?(content['state'])
      redis.multi do |multi|
        multi.decr(File.join(engine,'running'))
        multi.incr(File.join(engine,'stopped'))
        multi.set(File.join(prefix,'state'),content['state'])
        multi.set(File.join(prefix,'cpu'),0)
        multi.set(File.join(prefix,'mem'),0)
        multi.set(File.join(prefix,'time'),0)
      end
    elsif %w{running}.include?(content['state'])
      oldstate = redis.get(File.join(prefix,'state'))
      redis.multi do |multi|
        multi.decr(File.join(engine,oldstate)) rescue nil
        multi.incr(File.join(engine,'running'))
        multi.set(File.join(prefix,'name'),attr['info'])
        multi.set(File.join(prefix,'state'),content['state'])
        multi.set(File.join(prefix,'time'),Time.now.to_i)
      end
    end

    url, author, path, name, state, parent = redis.mget(
      File.join(prefix,'instance-url'),
      File.join(prefix,'author'),
      File.join(prefix,'path'),
      File.join(prefix,'name'),
      File.join(prefix,'state'),
      File.join(prefix,'parent')
    )
    receivers.each do |conn|
      conn.send JSON::generate(:topic => topic, :event => event_name, :engine => engine, :uuid => notification['instance-uuid'], :url => url, :author => author, :path => path.to_s, :name => name, :state => content['state'], :parent => parent.to_s)
    end
  elsif topic == 'task'  && event_name == 'instantiation'
    redis.multi do |multi|
      multi.rpush(File.join(engine,notification['instance-uuid'],'children'),content['received']['CPEE-INSTANCE-UUID'])
      multi.set(File.join(engine,content['received']['CPEE-INSTANCE-UUID'],'parent'),notification['instance-uuid'])
    end
    prefix = File.join(engine,content['received']['CPEE-INSTANCE-UUID'].to_s)
    url, author, path, name, state, parent = redis.mget(
      File.join(prefix,'instance-url'),
      File.join(prefix,'author'),
      File.join(prefix,'path'),
      File.join(prefix,'name'),
      File.join(prefix,'state'),
      File.join(prefix,'parent')
    )
    receivers.each do |conn|
      conn.send JSON::generate(:topic => 'state', :event => 'change', :engine => engine, :uuid => content['received']['CPEE-INSTANCE-UUID'], :url => url, :author => author, :path => path.to_s, :name => name, :state => state, :parent => parent.to_s)
    end
  elsif topic == 'status'  && event_name == 'resource_utilization'
    redis.multi do |multi|
      multi.set(File.join(prefix,'name'),attr['info'])
      multi.set(File.join(prefix,'cpu'),content['utime'] + content['stime'])
      multi.set(File.join(prefix,'mem'),content['mib'])
    end
    receivers.each do |conn|
      conn.send JSON::generate(:topic => topic, :event => event_name, :engine => engine, :uuid => notification['instance-uuid'], :cpu => content['utime'] + content['stime'], :mem => content['mib'])
    end
  elsif topic == 'node'  && event_name == 'resource_utilization'
    redis.multi do |multi|
      multi.set(File.join(engine,'cpu_usage'),content['cpu_usage'])
      multi.set(File.join(engine,'mem_free'),content['mem_free'])
      multi.set(File.join(engine,'mem_total'),content['mem_total'])
      multi.set(File.join(engine,'mem_available'),content['mem_available'])
    end
    receivers.each do |conn|
      conn.send JSON::generate(:topic => topic, :event => event_name, :engine => engine, :cpu_usage => content['cpu_usage'], :mem_free => content['mem_free'], :mem_total => content['mem_total'], :mem_available => content['mem_available'])
    end
  end
end