Class: KubernetesDeploy::RestartTask

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

Defined Under Namespace

Classes: FatalRestartError, RestartAPIError

Constant Summary collapse

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

Instance Method Summary collapse

Constructor Details

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

Returns a new instance of RestartTask.



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# File 'lib/kubernetes-deploy/restart_task.rb', line 21

def initialize(context:, namespace:, logger:, max_watch_seconds: nil)
  @context = context
  @namespace = namespace
  @logger = logger
  @max_watch_seconds = max_watch_seconds
end

Instance Method Details

#perform(*args) ⇒ Object 



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# File 'lib/kubernetes-deploy/restart_task.rb', line 28

def perform(*args)
  perform!(*args)
  true
rescue FatalDeploymentError
  false
end

#perform!(deployments_names = nil, selector: nil) ⇒ Object 



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

def perform!(deployments_names = nil, selector: nil)
  start = Time.now.utc
  @logger.reset

  @logger.phase_heading("Initializing restart")
  verify_namespace
  deployments = identify_target_deployments(deployments_names, selector: selector)
  if kubectl.server_version < Gem::Version.new(MIN_KUBE_VERSION)
    @logger.warn(KubernetesDeploy::Errors.server_version_warning(kubectl.server_version))
  end
  @logger.phase_heading("Triggering restart by touching ENV[RESTARTED_AT]")
  patch_kubeclient_deployments(deployments)

  @logger.phase_heading("Waiting for rollout")
  resources = build_watchables(deployments, start)
  ResourceWatcher.new(resources: resources, logger: @logger, operation_name: "restart",
    timeout: @max_watch_seconds, namespace: @namespace, context: @context).run
  failed_resources = resources.reject(&:deploy_succeeded?)
  success = failed_resources.empty?
  if !success && failed_resources.all?(&:deploy_timed_out?)
    raise DeploymentTimeoutError
  end
  raise FatalDeploymentError unless success
  StatsD.distribution('restart.duration', StatsD.duration(start), tags: tags('success', deployments))
  @logger.print_summary(:success)
rescue DeploymentTimeoutError
  StatsD.distribution('restart.duration', StatsD.duration(start), tags: tags('timeout', deployments))
  @logger.print_summary(:timed_out)
  raise
rescue FatalDeploymentError => error
  StatsD.distribution('restart.duration', StatsD.duration(start), tags: tags('failure', deployments))
  @logger.summary.add_action(error.message) if error.message != error.class.to_s
  @logger.print_summary(:failure)
  raise
end