Class: Bosh::Director::Jobs::VmState

Inherits:
BaseJob show all
Defined in:
lib/bosh/director/jobs/vm_state.rb

Constant Summary collapse

TIMEOUT = 
5

Instance Attribute Summary

Attributes inherited from BaseJob

#task_id

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from BaseJob

#begin_stage, #dns_manager, #event_log, #logger, perform, #result_file, schedule_message, #single_step_stage, #task_cancelled?, #task_checkpoint, #track_and_log

Constructor Details

#initialize(deployment_id, format) ⇒ VmState

Returns a new instance of VmState.



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# File 'lib/bosh/director/jobs/vm_state.rb', line 12

def initialize(deployment_id, format)
  @deployment_id = deployment_id
  @format = format
end

Class Method Details

.job_type ⇒ Object 



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# File 'lib/bosh/director/jobs/vm_state.rb', line 8

def self.job_type
  :vms
end

Instance Method Details

#perform ⇒ Object 



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# File 'lib/bosh/director/jobs/vm_state.rb', line 17

def perform
  instances = Models::Instance.filter(:deployment_id => @deployment_id).exclude(vm_cid: nil)
  ThreadPool.new(:max_threads => Config.max_threads).wrap do |pool|
    instances.each do |instance|
      pool.process do
        vm_state = process_instance(instance)
        result_file.write(vm_state.to_json + "\n")
      end
    end
  end

  # task result
  nil
end

#process_instance(instance) ⇒ Object 



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# File 'lib/bosh/director/jobs/vm_state.rb', line 32

def process_instance(instance)
  ips = []
  dns_records = []
  job_state = nil
  job_vitals = nil
  processes = []

  begin
    agent = AgentClient.with_vm_credentials_and_agent_id(instance.credentials, instance.agent_id, :timeout => TIMEOUT)
    agent_state = agent.get_state(@format)
    agent_state['networks'].each_value do |network|
      ips << network['ip']
    end

    job_state = agent_state['job_state']
    if agent_state['vitals']
      job_vitals = agent_state['vitals']
    end
    processes = agent_state['processes'] if agent_state['processes']
  rescue Bosh::Director::RpcTimeout
    job_state = 'unresponsive agent'
  end

  if dns_manager.dns_enabled?
    dns_records = dns_manager.find_dns_record_names_by_instance(instance)
    dns_records.sort_by! { |name| -(name.split('.').first.length) }
  end

  vm_type_name = instance.spec && instance.spec['vm_type'] ? instance.spec['vm_type']['name'] : nil

  {
    :vm_cid => instance.vm_cid,
    :disk_cid => instance.persistent_disk_cid,
    :ips => ips,
    :dns => dns_records,
    :agent_id => instance.agent_id,
    :job_name => instance.job,
    :index => instance.index,
    :job_state => job_state,
    :resource_pool => vm_type_name,
    :vm_type => vm_type_name,
    :vitals => job_vitals,
    :processes => processes,
    :resurrection_paused => instance.resurrection_paused,
    :az => instance.availability_zone,
    :id => instance.uuid,
    :bootstrap => instance.bootstrap
  }
end