Class: Dapp::Deployment::KubeDeployment

Inherits:
KubeBase
  • Object
show all
Defined in:
lib/dapp/deployment/kube_deployment.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods inherited from KubeBase

#delete_pod!, #merge_kube_controller_spec, #pod_exist?, #pod_succeeded?, #run_job!

Constructor Details

#initialize(deployment) ⇒ KubeDeployment

Returns a new instance of KubeDeployment.



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# File 'lib/dapp/deployment/kube_deployment.rb', line 6

def initialize(deployment)
  @deployment = deployment
end

Instance Attribute Details

#deployment ⇒ Object (readonly)

Returns the value of attribute deployment.



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# File 'lib/dapp/deployment/kube_deployment.rb', line 4

def deployment
  @deployment
end

Instance Method Details

#delete_unknown_resources! ⇒ Object 



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# File 'lib/dapp/deployment/kube_deployment.rb', line 14

def delete_unknown_resources!
  # Удаление объектов, связанных с несуществующими более app'ами
  known_apps_names = deployment.apps.map(&:name)
  deployment.kubernetes.deployment_list(labelSelector: labelSelector)['items']
    .reject do |item|
      known_apps_names.include? item['metadata']['labels']['dapp-app']
    end
    .each do |item|
      deployment.dapp.log "Deleting Deployment '#{item['metadata']['name']}': unknown app '#{item['metadata']['labels']['dapp-app']}'"
      deployment.kubernetes.delete_deployment!(item['metadata']['name'])
    end
  deployment.kubernetes.service_list(labelSelector: labelSelector)['items']
    .reject do |item|
      known_apps_names.include? item['metadata']['labels']['dapp-app']
    end
    .each do |item|
      deployment.dapp.log "Deleting Service '#{item['metadata']['name']}': unknown app '#{item['metadata']['labels']['dapp-app']}'"
      deployment.kubernetes.delete_service!(item['metadata']['name'])
    end

  # Версионирование объектов из кода dapp, чтобы
  # иметь возможность автоматом удалить объекты,
  # созданные по старой логике
  old_versions_selector = "dapp=#{labels['dapp']},dapp-deployment-version notin (#{labels['dapp-deployment-version']})"
  deployment.kubernetes.deployment_list(labelSelector: old_versions_selector)['items']
    .each do |item|
      deployment.dapp.log "Deleting Deployment '#{item['metadata']['name']}': dapp-deployment-version changed from #{item['metadata']['labels']['dapp-deployment-version']} to #{labels['dapp-deployment-version']}"
      deployment.kubernetes.delete_deployment!(item['metadata']['name'])
    end
  deployment.kubernetes.service_list(labelSelector: old_versions_selector)['items']
    .each do |item|
      deployment.dapp.log "Deleting Service '#{item['metadata']['name']}': dapp-deployment-version changed from #{item['metadata']['labels']['dapp-deployment-version']} to #{labels['dapp-deployment-version']}"
      deployment.kubernetes.delete_service!(item['metadata']['name'])
    end
end

#labels ⇒ Object 



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# File 'lib/dapp/deployment/kube_deployment.rb', line 10

def labels
  {'dapp' => deployment.dapp.name, 'dapp-deployment-version' => 1.to_s}
end