Class: Statsig::SpecStore

Inherits:
Object
  • Object
show all
Defined in:
lib/spec_store.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(network, options, error_callback, diagnostics, error_boundary, logger, secret_key) ⇒ SpecStore

Returns a new instance of SpecStore.



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# File 'lib/spec_store.rb', line 16

def initialize(network, options, error_callback, diagnostics, error_boundary, logger, secret_key)
  @init_reason = EvaluationReason::UNINITIALIZED
  @network = network
  @options = options
  @error_callback = error_callback
  @last_config_sync_time = 0
  @initial_config_sync_time = 0
  @rulesets_sync_interval = options.rulesets_sync_interval
  @id_lists_sync_interval = options.idlists_sync_interval
  @rules_updated_callback = options.rules_updated_callback
  @specs = {
    :gates => {},
    :configs => {},
    :layers => {},
    :id_lists => {},
    :experiment_to_layer => {},
    :sdk_keys_to_app_ids => {},
    :hashed_sdk_keys_to_app_ids => {}
  }
  @diagnostics = diagnostics
  @error_boundary = error_boundary
  @logger = logger
  @secret_key = secret_key

  @id_list_thread_pool = Concurrent::FixedThreadPool.new(
    options.idlist_threadpool_size,
    name: 'statsig-idlist',
    max_queue: 100,
    fallback_policy: :discard,
  )

  unless @options.bootstrap_values.nil?
    if !@options.data_store.nil?
      puts 'data_store gets priority over bootstrap_values. bootstrap_values will be ignored'
    else
      tracker = @diagnostics.track('initialize','bootstrap', 'process')
      begin
        if process_specs(options.bootstrap_values)
          @init_reason = EvaluationReason::BOOTSTRAP
        end
      rescue
        puts 'the provided bootstrapValues is not a valid JSON string'
      ensure
        tracker.end(success: @init_reason == EvaluationReason::BOOTSTRAP)
      end
    end
  end

  unless @options.data_store.nil?
    @options.data_store.init
    load_config_specs_from_storage_adapter('initialize')
  end

  if @init_reason == EvaluationReason::UNINITIALIZED
    download_config_specs('initialize')
  end

  @initial_config_sync_time = @last_config_sync_time == 0 ? -1 : @last_config_sync_time
  if !@options.data_store.nil?
    get_id_lists_from_adapter('initialize')
  else
    get_id_lists_from_network('initialize')
  end

  @config_sync_thread = spawn_sync_config_specs_thread
  @id_lists_sync_thread = spawn_sync_id_lists_thread
end

Instance Attribute Details

#init_reason ⇒ Object

Returns the value of attribute init_reason.



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# File 'lib/spec_store.rb', line 14

def init_reason
  @init_reason
end

#initial_config_sync_time ⇒ Object

Returns the value of attribute initial_config_sync_time.



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# File 'lib/spec_store.rb', line 13

def initial_config_sync_time
  @initial_config_sync_time
end

#last_config_sync_time ⇒ Object

Returns the value of attribute last_config_sync_time.



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# File 'lib/spec_store.rb', line 12

def last_config_sync_time
  @last_config_sync_time
end

Instance Method Details

#configs ⇒ Object 



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# File 'lib/spec_store.rb', line 129

def configs
  @specs[:configs]
end

#gates ⇒ Object 



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# File 'lib/spec_store.rb', line 125

def gates
  @specs[:gates]
end

#get_app_id_for_sdk_key(sdk_key) ⇒ Object 



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# File 'lib/spec_store.rb', line 149

def get_app_id_for_sdk_key(sdk_key)
  if sdk_key.nil?
    return nil
  end
  hashed_sdk_key = Statsig::HashUtils.djb2(sdk_key)
  if has_hashed_sdk_key?(hashed_sdk_key)
    return @specs[:hashed_sdk_keys_to_app_ids][hashed_sdk_key]
  end
  return nil unless has_sdk_key?(sdk_key)
  @specs[:sdk_keys_to_app_ids][sdk_key]
end

#get_config(config_name) ⇒ Object 



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# File 'lib/spec_store.rb', line 115

def get_config(config_name)
  return nil unless has_config?(config_name)
  @specs[:configs][config_name]
end

#get_gate(gate_name) ⇒ Object 



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# File 'lib/spec_store.rb', line 110

def get_gate(gate_name)
  return nil unless has_gate?(gate_name)
  @specs[:gates][gate_name]
end

#get_id_list(list_name) ⇒ Object 



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# File 'lib/spec_store.rb', line 137

def get_id_list(list_name)
  @specs[:id_lists][list_name]
end

#get_layer(layer_name) ⇒ Object 



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# File 'lib/spec_store.rb', line 120

def get_layer(layer_name)
  return nil unless has_layer?(layer_name)
  @specs[:layers][layer_name]
end

#get_raw_specs ⇒ Object 



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# File 'lib/spec_store.rb', line 161

def get_raw_specs
  @specs
end

#has_config?(config_name) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/spec_store.rb', line 102

def has_config?(config_name)
  @specs[:configs].key?(config_name)
end

#has_gate?(gate_name) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/spec_store.rb', line 98

def has_gate?(gate_name)
  @specs[:gates].key?(gate_name)
end

#has_hashed_sdk_key?(hashed_sdk_key) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/spec_store.rb', line 145

def has_hashed_sdk_key?(hashed_sdk_key)
  @specs[:hashed_sdk_keys_to_app_ids].key?(hashed_sdk_key)
end

#has_layer?(layer_name) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/spec_store.rb', line 106

def has_layer?(layer_name)
  @specs[:layers].key?(layer_name)
end

#has_sdk_key?(sdk_key) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/spec_store.rb', line 141

def has_sdk_key?(sdk_key)
  @specs[:sdk_keys_to_app_ids].key?(sdk_key)
end

#is_ready_for_checks ⇒ Object 



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# File 'lib/spec_store.rb', line 84

def is_ready_for_checks
  @last_config_sync_time != 0
end

#layers ⇒ Object 



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# File 'lib/spec_store.rb', line 133

def layers
  @specs[:layers]
end

#maybe_restart_background_threads ⇒ Object 



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# File 'lib/spec_store.rb', line 165

def maybe_restart_background_threads
  if @config_sync_thread.nil? || !@config_sync_thread.alive?
    @config_sync_thread = sync_config_specs
  end
  if @id_lists_sync_thread.nil? || !@id_lists_sync_thread.alive?
    @id_lists_sync_thread = sync_id_lists
  end
end

#shutdown ⇒ Object 



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# File 'lib/spec_store.rb', line 88

def shutdown
  @config_sync_thread&.exit
  @id_lists_sync_thread&.exit
  @id_list_thread_pool.shutdown
  @id_list_thread_pool.wait_for_termination(timeout = 3)
  unless @options.data_store.nil?
    @options.data_store.shutdown
  end
end

#sync_config_specs ⇒ Object 



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# File 'lib/spec_store.rb', line 174

def sync_config_specs
  if @options.data_store&.should_be_used_for_querying_updates(Interfaces::IDataStore::CONFIG_SPECS_KEY)
    load_config_specs_from_storage_adapter('config_sync')
  else
    download_config_specs('config_sync')
  end
  @logger.log_diagnostics_event(@diagnostics, 'config_sync')
end

#sync_id_lists ⇒ Object 



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# File 'lib/spec_store.rb', line 183

def sync_id_lists
  if @options.data_store&.should_be_used_for_querying_updates(Interfaces::IDataStore::ID_LISTS_KEY)
    get_id_lists_from_adapter('config_sync')
  else
    get_id_lists_from_network('config_sync')
  end
  @logger.log_diagnostics_event(@diagnostics, 'config_sync')
end