Class: KubernetesDeploy::RestartTask

Inherits:
Object
  • Object
show all
Includes:
KubeclientBuilder
Defined in:
lib/kubernetes-deploy/restart_task.rb

Defined Under Namespace

Classes: DeploymentNotFoundError, RestartError

Constant Summary collapse

HTTP_OK_RANGE = 
200..299
ANNOTATION = 
"shipit.shopify.io/restart"

Instance Method Summary collapse

Constructor Details

#initialize(context:, namespace:, logger:) ⇒ RestartTask

Returns a new instance of RestartTask.



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# File 'lib/kubernetes-deploy/restart_task.rb', line 26

def initialize(context:, namespace:, logger:)
  @context = context
  @namespace = namespace
  @logger = logger
  @kubeclient = build_v1_kubeclient(context)
  @v1beta1_kubeclient = build_v1beta1_kubeclient(context)
  @policy_v1beta1_kubeclient = build_policy_v1beta1_kubeclient(context)
end

Instance Method Details

#perform(deployments_names = nil) ⇒ Object 



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# File 'lib/kubernetes-deploy/restart_task.rb', line 35

def perform(deployments_names = nil)
  @logger.reset
  verify_namespace

  if deployments_names
    deployments = fetch_deployments(deployments_names.uniq)

    if deployments.none?
      raise ArgumentError, "no deployments with names #{deployments_names} found in namespace #{@namespace}"
    end
  else
    deployments = @v1beta1_kubeclient
      .get_deployments(namespace: @namespace)
      .select { |d| d.metadata.annotations[ANNOTATION] }

    if deployments.none?
      raise ArgumentError, "no deployments found in namespace #{@namespace} with #{ANNOTATION} annotation available"
    end
  end

  @logger.phase_heading("Triggering restart by touching ENV[RESTARTED_AT]")
  patch_kubeclient_deployments(deployments)

  @logger.phase_heading("Waiting for rollout")
  wait_for_rollout(deployments)

  names = deployments.map { |d| "`#{d.metadata.name}`" }
  @logger.info "Restart of #{names.sort.join(', ')} deployments succeeded"
  true
rescue FatalDeploymentError => error
  @logger.fatal "#{error.class}: #{error.message}"
  false
end