Class: Dapp::Kube::Kubernetes::Manager::Job

Inherits:
Base
  • Object
show all
Defined in:
lib/dapp/kube/kubernetes/manager/job.rb

Instance Attribute Summary

Attributes inherited from Base

#dapp, #name

Instance Method Summary collapse

Constructor Details

#initialize(dapp, name) ⇒ Job

Returns a new instance of Job.



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# File 'lib/dapp/kube/kubernetes/manager/job.rb', line 5

def initialize(dapp, name)
  super(dapp, name)

  @processed_pods_names = []
end

Instance Method Details

#wait_till_exists! ⇒ Object 



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# File 'lib/dapp/kube/kubernetes/manager/job.rb', line 11

def wait_till_exists!
  loop do
    break if dapp.kubernetes.job?(name)
    sleep 0.1
  end
end

#watch_till_done! ⇒ Object 



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# File 'lib/dapp/kube/kubernetes/manager/job.rb', line 18

def watch_till_done!
  wait_till_exists!

  job = Kubernetes::Client::Resource::Job.new(dapp.kubernetes.job(name))

  loop do
    # Получить очередной pod для обработки
    process_pod = dapp.kubernetes.pod_list.fetch('items', [])
      .select do |pod_spec|
        pod_spec.fetch('metadata', {}).fetch('labels', {})['controller-uid'] == job.uid
      end
      .reject do |pod_spec|
        @processed_pods_names.include? pod_spec.fetch('metadata', {})['name']
      end
      .sort_by do |pod_spec|
        Time.parse(pod_spec.fetch('metadata', {})['creationTimestamp'])
      end
      .map {|pod_spec| Kubernetes::Client::Resource::Pod.new(pod_spec)}
      .first

    if process_pod.nil?
      job = Kubernetes::Client::Resource::Job.new(dapp.kubernetes.job(name))
      if job.succeeded?
        break
      elsif job.failed?
        dapp.log_warning "#{dapp.log_time}Job '#{name}' has been failed: #{job.spec['status']}", stream: dapp.service_stream
        break
      end

      sleep 0.1

      next
    end

    pod_manager = Kubernetes::Manager::Pod.new(dapp, process_pod.name)
    begin
      pod_manager.watch_till_done!
    rescue Kubernetes::Client::Error::Pod::NotFound => err
      dapp.log_warning "#{dapp.log_time}Pod '#{pod_manager.name}' has been deleted", stream: dapp.service_stream
    ensure
      @processed_pods_names << process_pod.name
    end
  end
end