347 lines
13 KiB
Ruby
347 lines
13 KiB
Ruby
# frozen_string_literal: true
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require 'spec_helper'
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# rubocop: disable RSpec/MultipleMemoizedHelpers
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RSpec.describe Gitlab::SidekiqMiddleware::ServerMetrics do
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shared_examples "a metrics middleware" do
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context "with mocked prometheus" do
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include_context 'server metrics with mocked prometheus'
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describe '.initialize_process_metrics' do
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it 'sets concurrency metrics' do
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expect(concurrency_metric).to receive(:set).with({}, Sidekiq.options[:concurrency].to_i)
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described_class.initialize_process_metrics
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end
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it 'initializes sidekiq_jobs_completion_seconds for the workers in the current Sidekiq process' do
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allow(Gitlab::SidekiqConfig)
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.to receive(:current_worker_queue_mappings)
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.and_return('MergeWorker' => 'merge', 'Ci::BuildFinishedWorker' => 'default')
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expect(completion_seconds_metric)
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.to receive(:get).with(queue: 'merge',
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worker: 'MergeWorker',
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urgency: 'high',
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external_dependencies: 'no',
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feature_category: 'source_code_management',
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boundary: '',
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job_status: 'done')
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expect(completion_seconds_metric)
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.to receive(:get).with(queue: 'merge',
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worker: 'MergeWorker',
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urgency: 'high',
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external_dependencies: 'no',
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feature_category: 'source_code_management',
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boundary: '',
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job_status: 'fail')
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expect(completion_seconds_metric)
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.to receive(:get).with(queue: 'default',
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worker: 'Ci::BuildFinishedWorker',
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urgency: 'high',
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external_dependencies: 'no',
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feature_category: 'continuous_integration',
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boundary: 'cpu',
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job_status: 'done')
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expect(completion_seconds_metric)
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.to receive(:get).with(queue: 'default',
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worker: 'Ci::BuildFinishedWorker',
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urgency: 'high',
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external_dependencies: 'no',
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feature_category: 'continuous_integration',
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boundary: 'cpu',
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job_status: 'fail')
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described_class.initialize_process_metrics
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end
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context 'when the sidekiq_job_completion_metric_initialize feature flag is disabled' do
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before do
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stub_feature_flags(sidekiq_job_completion_metric_initialize: false)
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end
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it 'sets the concurrency metric' do
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expect(concurrency_metric).to receive(:set).with({}, Sidekiq.options[:concurrency].to_i)
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described_class.initialize_process_metrics
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end
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it 'does not initialize sidekiq_jobs_completion_seconds' do
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allow(Gitlab::SidekiqConfig)
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.to receive(:current_worker_queue_mappings)
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.and_return('MergeWorker' => 'merge', 'Ci::BuildFinishedWorker' => 'default')
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expect(completion_seconds_metric).not_to receive(:get)
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described_class.initialize_process_metrics
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end
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end
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end
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describe '#call' do
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include_context 'server metrics call'
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it 'yields block' do
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expect { |b| subject.call(worker, job, :test, &b) }.to yield_control.once
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end
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it 'calls BackgroundTransaction' do
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expect_next_instance_of(Gitlab::Metrics::BackgroundTransaction) do |instance|
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expect(instance).to receive(:run)
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end
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subject.call(worker, job, :test) {}
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end
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it 'sets queue specific metrics' do
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expect(running_jobs_metric).to receive(:increment).with(labels, -1)
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expect(running_jobs_metric).to receive(:increment).with(labels, 1)
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expect(queue_duration_seconds).to receive(:observe).with(labels, queue_duration_for_job) if queue_duration_for_job
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expect(user_execution_seconds_metric).to receive(:observe).with(labels_with_job_status, thread_cputime_duration)
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expect(db_seconds_metric).to receive(:observe).with(labels_with_job_status, db_duration)
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expect(gitaly_seconds_metric).to receive(:observe).with(labels_with_job_status, gitaly_duration)
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expect(completion_seconds_metric).to receive(:observe).with(labels_with_job_status, monotonic_time_duration)
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expect(redis_seconds_metric).to receive(:observe).with(labels_with_job_status, redis_duration)
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expect(elasticsearch_seconds_metric).to receive(:observe).with(labels_with_job_status, elasticsearch_duration)
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expect(redis_requests_total).to receive(:increment).with(labels_with_job_status, redis_calls)
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expect(elasticsearch_requests_total).to receive(:increment).with(labels_with_job_status, elasticsearch_calls)
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subject.call(worker, job, :test) { nil }
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end
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it 'sets sidekiq_jobs_completion_seconds values that are compatible with those from .initialize_process_metrics' do
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label_validator = Prometheus::Client::LabelSetValidator.new([:le])
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allow(Gitlab::SidekiqConfig)
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.to receive(:current_worker_queue_mappings)
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.and_return('MergeWorker' => 'merge', 'Ci::BuildFinishedWorker' => 'default')
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allow(completion_seconds_metric).to receive(:get) do |labels|
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expect { label_validator.validate(labels) }.not_to raise_error
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end
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allow(completion_seconds_metric).to receive(:observe) do |labels, _duration|
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expect { label_validator.validate(labels) }.not_to raise_error
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end
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described_class.initialize_process_metrics
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subject.call(worker, job, :test) { nil }
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end
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it 'sets the thread name if it was nil' do
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allow(Thread.current).to receive(:name).and_return(nil)
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expect(Thread.current).to receive(:name=).with(Gitlab::Metrics::Samplers::ThreadsSampler::SIDEKIQ_WORKER_THREAD_NAME)
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subject.call(worker, job, :test) { nil }
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end
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context 'when job_duration is not available' do
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let(:queue_duration_for_job) { nil }
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it 'does not set the queue_duration_seconds histogram' do
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expect(queue_duration_seconds).not_to receive(:observe)
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subject.call(worker, job, :test) { nil }
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end
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end
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context 'when error is raised' do
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let(:job_status) { :fail }
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it 'sets sidekiq_jobs_failed_total and reraises' do
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expect(failed_total_metric).to receive(:increment).with(labels, 1)
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expect { subject.call(worker, job, :test) { raise StandardError, "Failed" } }.to raise_error(StandardError, "Failed")
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end
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end
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context 'when job is retried' do
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let(:job) { { 'retry_count' => 1 } }
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it 'sets sidekiq_jobs_retried_total metric' do
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expect(retried_total_metric).to receive(:increment)
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subject.call(worker, job, :test) { nil }
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end
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end
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end
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end
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context "with prometheus integrated" do
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describe '#call' do
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it 'yields block' do
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expect { |b| subject.call(worker, job, :test, &b) }.to yield_control.once
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end
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context 'when error is raised' do
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let(:job_status) { :fail }
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it 'sets sidekiq_jobs_failed_total and reraises' do
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expect { subject.call(worker, job, :test) { raise StandardError, "Failed" } }.to raise_error(StandardError, "Failed")
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end
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end
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end
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end
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end
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it_behaves_like 'metrics middleware with worker attribution' do
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let(:job_status) { :done }
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let(:labels_with_job_status) { labels.merge(job_status: job_status.to_s) }
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end
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context 'DB load balancing' do
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subject { described_class.new }
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let(:queue) { :test }
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let(:worker_class) { worker.class }
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let(:worker) { TestWorker.new }
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let(:client_middleware) { Gitlab::Database::LoadBalancing::SidekiqClientMiddleware.new }
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let(:load_balancer) { double.as_null_object }
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let(:load_balancing_metric) { double('load balancing metric') }
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let(:job) { { "retry" => 3, "job_id" => "a180b47c-3fd6-41b8-81e9-34da61c3400e" } }
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def process_job
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client_middleware.call(worker_class, job, queue, double) do
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worker_class.process_job(job)
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end
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end
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include_context 'server metrics with mocked prometheus'
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include_context 'server metrics call'
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before do
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stub_const('TestWorker', Class.new)
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TestWorker.class_eval do
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include Sidekiq::Worker
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include WorkerAttributes
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def perform(*args)
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end
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end
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allow(::Gitlab::Database::LoadBalancing).to receive_message_chain(:proxy, :load_balancer).and_return(load_balancer)
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allow(load_balancing_metric).to receive(:increment)
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allow(Gitlab::Metrics).to receive(:counter).with(:sidekiq_load_balancing_count, anything).and_return(load_balancing_metric)
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end
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around do |example|
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with_sidekiq_server_middleware do |chain|
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chain.add Gitlab::Database::LoadBalancing::SidekiqServerMiddleware
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chain.add described_class
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Sidekiq::Testing.inline! { example.run }
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end
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end
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shared_context 'worker declaring data consistency' do
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let(:worker_class) { LBTestWorker }
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let(:wal_locations) { { Gitlab::Database::MAIN_DATABASE_NAME.to_sym => 'AB/12345' } }
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let(:job) { { "retry" => 3, "job_id" => "a180b47c-3fd6-41b8-81e9-34da61c3400e", "wal_locations" => wal_locations } }
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before do
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stub_const('LBTestWorker', Class.new(TestWorker))
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LBTestWorker.class_eval do
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include ApplicationWorker
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data_consistency :delayed
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end
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end
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end
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describe '#call' do
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context 'when worker declares data consistency' do
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include_context 'worker declaring data consistency'
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it 'increments load balancing counter with defined data consistency' do
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process_job
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expect(load_balancing_metric).to have_received(:increment).with(
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a_hash_including(
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data_consistency: :delayed,
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load_balancing_strategy: 'replica'
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), 1)
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end
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end
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context 'when worker does not declare data consistency' do
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it 'increments load balancing counter with default data consistency' do
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process_job
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expect(load_balancing_metric).to have_received(:increment).with(
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a_hash_including(
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data_consistency: :always,
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load_balancing_strategy: 'primary'
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), 1)
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end
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end
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end
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end
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context 'feature attribution' do
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let(:test_worker) do
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category = worker_category
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Class.new do
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include Sidekiq::Worker
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include WorkerAttributes
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if category
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feature_category category
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else
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feature_category_not_owned!
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end
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def perform
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end
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end
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end
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let(:context_category) { 'continuous_integration' }
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let(:job) { { 'meta.feature_category' => 'continuous_integration' } }
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before do
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stub_const('TestWorker', test_worker)
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end
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around do |example|
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with_sidekiq_server_middleware do |chain|
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Gitlab::SidekiqMiddleware.server_configurator(
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metrics: true,
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arguments_logger: false,
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memory_killer: false
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).call(chain)
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Sidekiq::Testing.inline! { example.run }
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end
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end
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include_context 'server metrics with mocked prometheus'
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include_context 'server metrics call'
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context 'when a worker has a feature category' do
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let(:worker_category) { 'authentication_and_authorization' }
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it 'uses that category for metrics' do
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expect(completion_seconds_metric).to receive(:observe).with(a_hash_including(feature_category: worker_category), anything)
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TestWorker.process_job(job)
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end
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end
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context 'when a worker does not have a feature category' do
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let(:worker_category) { nil }
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it 'uses the category from the context for metrics' do
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expect(completion_seconds_metric).to receive(:observe).with(a_hash_including(feature_category: context_category), anything)
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TestWorker.process_job(job)
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end
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end
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end
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end
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# rubocop: enable RSpec/MultipleMemoizedHelpers
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