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# frozen_string_literal: true
require 'spec_helper'
require_migration!
RSpec.describe MigrateRedisSlotKeys, :migration, feature_category: :service_ping do
let(:date) { Date.yesterday.strftime('%G-%j') }
let(:week) { Date.yesterday.strftime('%G-%V') }
before do
allow(described_class::BackupHLLRedisCounter).to receive(:known_events).and_return([{
redis_slot: 'analytics',
aggregation: 'daily',
name: 'users_viewing_analytics_group_devops_adoption'
}, {
aggregation: 'weekly',
name: 'wiki_action'
}])
end
describe "#up" do
it 'rename keys', :aggregate_failures do
expiry_daily = described_class::BackupHLLRedisCounter::DEFAULT_DAILY_KEY_EXPIRY_LENGTH
expiry_weekly = described_class::BackupHLLRedisCounter::DEFAULT_WEEKLY_KEY_EXPIRY_LENGTH
default_slot = described_class::BackupHLLRedisCounter::REDIS_SLOT
old_slot_a = "#{date}-users_viewing_{analytics}_group_devops_adoption"
old_slot_b = "{wiki_action}-#{week}"
new_slot_a = "#{date}-{#{default_slot}}_users_viewing_analytics_group_devops_adoption"
new_slot_b = "{#{default_slot}}_wiki_action-#{week}"
Gitlab::Redis::HLL.add(key: old_slot_a, value: 1, expiry: expiry_daily)
Gitlab::Redis::HLL.add(key: old_slot_b, value: 1, expiry: expiry_weekly)
# check that we merge values during migration
# i.e. we dont drop keys created after code deploy but before the migration
Gitlab::Redis::HLL.add(key: new_slot_a, value: 2, expiry: expiry_daily)
Gitlab::Redis::HLL.add(key: new_slot_b, value: 2, expiry: expiry_weekly)
migrate!
expect(Gitlab::Redis::HLL.count(keys: new_slot_a)).to eq(2)
expect(Gitlab::Redis::HLL.count(keys: new_slot_b)).to eq(2)
expect(with_redis { |r| r.ttl(new_slot_a) }).to be_within(600).of(expiry_daily)
expect(with_redis { |r| r.ttl(new_slot_b) }).to be_within(600).of(expiry_weekly)
end
end
def with_redis(&block)
Gitlab::Redis::SharedState.with(&block)
end
end
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