Class: Gitlab::Ci::RunnerReleases

Inherits:
Object
  • Object
show all
Includes:
Singleton
Defined in:
lib/gitlab/ci/runner_releases.rb

Constant Summary collapse

RELEASES_VALIDITY_PERIOD = 
1.day
INITIAL_BACKOFF = 
5.seconds
MAX_BACKOFF = 
1.hour
BACKOFF_GROWTH_FACTOR = 
2.0

Instance Method Summary collapse

Constructor Details

#initialize ⇒ RunnerReleases

Returns a new instance of RunnerReleases.



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# File 'lib/gitlab/ci/runner_releases.rb', line 14

def initialize
  reset_backoff!
end

Instance Method Details

#enabled? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/gitlab/ci/runner_releases.rb', line 18

def enabled?
  ::Gitlab::CurrentSettings.current_application_settings.update_runner_versions_enabled?
end

#releases ⇒ Object

Returns a sorted list of the publicly available GitLab Runner releases



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# File 'lib/gitlab/ci/runner_releases.rb', line 24

def releases
  return unless enabled?
  return if backoff_active?

  Rails.cache.fetch(
    cache_key,
    skip_nil: true,
    expires_in: RELEASES_VALIDITY_PERIOD,
    race_condition_ttl: 10.seconds
  ) do
    response = Gitlab::HTTP.try_get(runner_releases_url)
    @releases_by_minor = nil

    unless response&.success?
      @backoff_expire_time = next_backoff.from_now
      break nil
    end

    reset_backoff!
    extract_releases(response)
  rescue Errno::ETIMEDOUT
    @backoff_expire_time = next_backoff.from_now
    break nil
  end
end

#releases_by_minor ⇒ Object

Returns a hash with the latest runner version per minor release



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# File 'lib/gitlab/ci/runner_releases.rb', line 52

def releases_by_minor
  return unless releases

  @releases_by_minor ||= releases.group_by(&:without_patch).transform_values(&:max)
end

#reset_backoff! ⇒ Object 



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# File 'lib/gitlab/ci/runner_releases.rb', line 58

def reset_backoff!
  @backoff_expire_time = nil
  @backoff_count = 0
end