Class: Aptible::Resource::DefaultRetryCoordinator

Inherits:
Object
  • Object
show all
Defined in:
lib/aptible/resource/default_retry_coordinator.rb

Constant Summary collapse

IDEMPOTENT_METHODS = 
[
  # Idempotent as per RFC
  'DELETE', 'GET', 'HEAD', 'OPTIONS', 'PUT',

  # Idempotent on our APIs
  'PATCH'
].freeze
RETRY_ERRORS = 
[
  # Ancestor for Errno::X
  SystemCallError,

  # Might be caused by e.g. DNS failure
  SocketError,

  # HTTPClient transfer error
  HTTPClient::TimeoutError,
  HTTPClient::KeepAliveDisconnected,
  HTTPClient::BadResponseError,

  # Bad response
  HyperResource::ServerError
].freeze

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(resource) ⇒ DefaultRetryCoordinator

Returns a new instance of DefaultRetryCoordinator.



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# File 'lib/aptible/resource/default_retry_coordinator.rb', line 30

def initialize(resource)
  @resource = resource
  @retry_schedule = new_retry_schedule
end

Instance Attribute Details

#resource ⇒ Object (readonly)

Returns the value of attribute resource.



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# File 'lib/aptible/resource/default_retry_coordinator.rb', line 4

def resource
  @resource
end

#retry_schedule ⇒ Object (readonly)

Returns the value of attribute retry_schedule.



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# File 'lib/aptible/resource/default_retry_coordinator.rb', line 4

def retry_schedule
  @retry_schedule
end

Instance Method Details

#retry?(method, err) ⇒ Boolean

Returns:



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# File 'lib/aptible/resource/default_retry_coordinator.rb', line 35

def retry?(method, err)
  # rubocop:disable Style/CaseEquality
  return false unless RETRY_ERRORS.any? { |c| c === err }

  return false unless IDEMPOTENT_METHODS.include?(method)

  retry_in = retry_schedule.shift
  return false if retry_in.nil?

  sleep retry_in
  true
  # rubocop:enable Style/CaseEquality
end