Class: Etoro::Utility::MCollective::Service

Inherits:
RPC
  • Object
show all
Defined in:
lib/etoro/utility/mcollective/service.rb

Instance Attribute Summary

Attributes inherited from RPC

#current_host, #post_execute, #pre_execute

Instance Method Summary collapse

Methods inherited from RPC

#class_filter, #fact_filter, #identity_filter, #initialize, #logging, #run, #sequential=, #sequential?

Constructor Details

This class inherits a constructor from Etoro::Utility::MCollective::RPC

Instance Method Details

#check_run_status ⇒ Object 



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# File 'lib/etoro/utility/mcollective/service.rb', line 43

def check_run_status
  @logger.info("Checking Service #{@config[:service_name]} for completion")

  begin
    timeout(@config[:timeout]) do
      until @service_status == {}
        @service_status.each do |host, status|
          run = rpcclient(self.class.name.downcase.split('::').last, :chomp => true)
          run.identity_filter host
          run.progress = false
          results = run.send 'status', service: @config[:service_name]
          results.each do |result|
            state = ''
            case @config[:action]
              when 'start'
                state = 'running'
              when 'stop'
                state = 'stopped'
            end
            @logger.info("#{host} - Service: current state: #{result[:data][:status]} desired_state: #{state}")
            if result[:data][:status] == state
              @logger.info("#{host} - Service: #{@config[:service_name]} #{@config[:action]} action  #{result[:data][:status]} - completed")
              @service_status.delete(host)
            else
              @logger.info("#{host} - Service #{@config[:service_name]} #{@config[:action]} action not complete - #{result[:data][:status]}")
            end
          end
        end
        sleep @config[:wait_between_checks]
      end
    end
  rescue Timeout::Error
    @logger.error("Service run timed out. Took more than #{@config[:timeout]} seconds")
  end
end

#execute ⇒ Object 



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# File 'lib/etoro/utility/mcollective/service.rb', line 19

def execute
  @logger.info("Sending service #{@config[:service_name]} #{@config[:action]} action")
  @mc.send @config[:action], service: @config[:service_name]
  sleep @config[:wait_for_status]
  self.check_run_status
end

#hosts ⇒ Object 



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# File 'lib/etoro/utility/mcollective/service.rb', line 35

def hosts
  hosts = []
  @service_status.each_key do |host|
    @hosts.push host
  end
  hosts
end

#status ⇒ Object 



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# File 'lib/etoro/utility/mcollective/service.rb', line 26

def status
  @service_status = {}
  @logger.info("Getting service information")
  results = @mc.send 'status', service: @config[:service_name]
  results.each do |result|
    @service_status[result[:sender]] = result[:data][:status]
  end
end

#validate(config) ⇒ Object 



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# File 'lib/etoro/utility/mcollective/service.rb', line 6

def validate(config)
  super
  unless config.has_key?(:service_name)
    raise RuntimeError, "config[:service_name] must be defined"
  end
  unless config.has_key?(:action)
    raise RuntimeError, "config[:action] must be defined"
  end
  unless ['start','stop'].include? config[:action]
    raise RuntimeError, "Service action must be either start or stop"
  end
end