Class: Dcmgr::NodeModules::InstanceMonitor

Inherits:
Isono::NodeModules::Base
  • Object
show all
Includes:
Logger
Defined in:
lib/dcmgr/node_modules/instance_monitor.rb

Instance Method Summary collapse

Methods included from Logger

create, default_logdev, included

Instance Method Details

#check_instance ⇒ Object 



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# File 'lib/dcmgr/node_modules/instance_monitor.rb', line 22

def check_instance()
  instlst = rpc.request('hva-collector', 'get_alive_instances', manifest.node_id)
  instlst.find_all{|i| i[:state] == 'running' }.each { |i|
    begin
      case i[:host_node][:hypervisor]
      when 'kvm'
        check_kvm_process(i)
      when 'lxc'
        check_lxc_process(i)
      else
        raise "Unknown hypervisor type: #{i[:host_node][:hypervisor]}"
      end
    rescue Exception => e
      if i[:status] == 'online'
        logger.error("#{e.class}, #{e.message}")

        rpc.request('hva-collector', 'update_instance', i[:uuid], {:status=>:offline}) { |req|
          req.oneshot = true
        }
        event.publish('hva/fault_instance', :args=>[i[:uuid]])
      end
      next
    end

    if i[:status] != 'online'
      rpc.request('hva-collector', 'update_instance', i[:uuid], {:status=>:online}) { |req|
        req.oneshot = true
      }
    end
  }
end