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-rw-r--r--config/initializers/gitlab_experiment.rb9
1 files changed, 9 insertions, 0 deletions
diff --git a/config/initializers/gitlab_experiment.rb b/config/initializers/gitlab_experiment.rb
index a312755f300..055979bb66b 100644
--- a/config/initializers/gitlab_experiment.rb
+++ b/config/initializers/gitlab_experiment.rb
@@ -5,4 +5,13 @@ Gitlab::Experiment.configure do |config|
config.cache = Gitlab::Experiment::Cache::RedisHashStore.new(
pool: ->(&block) { Gitlab::Redis::SharedState.with { |redis| block.call(redis) } }
)
+
+ # TODO: This will be deprecated as of v0.6.0, but needs to stay intact for
+ # actively running experiments until a versioning concept is put in place to
+ # enable migrating into the new SHA2 strategy.
+ config.context_hash_strategy = lambda do |source, seed|
+ source = source.keys + source.values if source.is_a?(Hash)
+ data = Array(source).map { |v| (v.respond_to?(:to_global_id) ? v.to_global_id : v).to_s }
+ Digest::MD5.hexdigest(data.unshift(seed).join('|'))
+ end
end