Class: VersionCheck

Inherits:
Object
  • Object
show all
Includes:
ReactiveCaching
Defined in:
lib/version_check.rb

Constant Summary collapse

CACHE_VERSION =

Increment when format of cache value is changed

1

Constants included from ReactiveCaching

ReactiveCaching::ExceededReactiveCacheLimit, ReactiveCaching::InvalidateReactiveCache, ReactiveCaching::WORK_TYPE

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.data ⇒ Object 



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# File 'lib/version_check.rb', line 44

def self.data
  { version: Gitlab::VERSION }
end

.from_cache ⇒ Object 



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# File 'lib/version_check.rb', line 62

def self.from_cache(*)
  new
end

.headers ⇒ Object 



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# File 'lib/version_check.rb', line 48

def self.headers
  { "REFERER": Gitlab.config.gitlab.url }
end

.host ⇒ Object 



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# File 'lib/version_check.rb', line 58

def self.host
  'https://version.gitlab.com'
end

.url ⇒ Object 



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# File 'lib/version_check.rb', line 52

def self.url
  encoded_data = Base64.urlsafe_encode64(data.to_json)

  "#{host}/check.json?gitlab_info=#{encoded_data}"
end

Instance Method Details

#calculate_reactive_cache ⇒ Object 



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# File 'lib/version_check.rb', line 70

def calculate_reactive_cache(*)
  response = Gitlab::HTTP.try_get(self.class.url, headers: self.class.headers)

  case response&.code
  when 200
    Gitlab::Json.parse(response.body)
  else
    { error: 'version check failed', status: response&.code }
  end
rescue JSON::ParserError
  { error: 'parsing version check response failed', status: response&.code }
end

#id ⇒ Object 



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# File 'lib/version_check.rb', line 66

def id
  [Gitlab::VERSION, Gitlab.revision, CACHE_VERSION].join('-')
end

#response ⇒ Object 



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# File 'lib/version_check.rb', line 83

def response
  with_reactive_cache do |data|
    raise InvalidateReactiveCache if !data.is_a?(Hash) || data[:error]

    data
  end
end