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) ⇒ SpecStore

Returns a new instance of SpecStore.



16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
 
# File 'lib/spec_store.rb', line 16

def initialize(network, options, error_callback, diagnostics, error_boundary, logger)
  @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

  @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('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
  end

  if @init_reason == EvaluationReason::UNINITIALIZED
    download_config_specs
  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
  else
    get_id_lists_from_network
  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.



14
15
16
 
# 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.



13
14
15
 
# 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.



12
13
14
 
# File 'lib/spec_store.rb', line 12

def last_config_sync_time
  @last_config_sync_time
end

Instance Method Details

#get_app_id_for_sdk_key(sdk_key) ⇒ Object 



136
137
138
139
140
141
142
143
144
145
146
 
# File 'lib/spec_store.rb', line 136

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 



114
115
116
117
 
# File 'lib/spec_store.rb', line 114

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

#get_gate(gate_name) ⇒ Object 



109
110
111
112
 
# File 'lib/spec_store.rb', line 109

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

#get_id_list(list_name) ⇒ Object 



124
125
126
 
# File 'lib/spec_store.rb', line 124

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

#get_layer(layer_name) ⇒ Object 



119
120
121
122
 
# File 'lib/spec_store.rb', line 119

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

#get_raw_specs ⇒ Object 



148
149
150
 
# File 'lib/spec_store.rb', line 148

def get_raw_specs
  @specs
end

#has_config?(config_name) ⇒ Boolean

Returns:

  • (Boolean) 


101
102
103
 
# File 'lib/spec_store.rb', line 101

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

#has_gate?(gate_name) ⇒ Boolean

Returns:

  • (Boolean) 


97
98
99
 
# File 'lib/spec_store.rb', line 97

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

#has_hashed_sdk_key?(hashed_sdk_key) ⇒ Boolean

Returns:

  • (Boolean) 


132
133
134
 
# File 'lib/spec_store.rb', line 132

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) 


105
106
107
 
# File 'lib/spec_store.rb', line 105

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

#has_sdk_key?(sdk_key) ⇒ Boolean

Returns:

  • (Boolean) 


128
129
130
 
# File 'lib/spec_store.rb', line 128

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

#is_ready_for_checks ⇒ Object 



83
84
85
 
# File 'lib/spec_store.rb', line 83

def is_ready_for_checks
  @last_config_sync_time != 0
end

#maybe_restart_background_threads ⇒ Object 



152
153
154
155
156
157
158
159
 
# File 'lib/spec_store.rb', line 152

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 



87
88
89
90
91
92
93
94
95
 
# File 'lib/spec_store.rb', line 87

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 



161
162
163
164
165
166
167
168
169
 
# File 'lib/spec_store.rb', line 161

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

#sync_id_lists ⇒ Object 



171
172
173
174
175
176
177
178
179
 
# File 'lib/spec_store.rb', line 171

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