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|
# frozen_string_literal: true
require 'spec_helper'
# rubocop: disable RSpec/MultipleMemoizedHelpers
RSpec.describe Gitlab::SidekiqMiddleware::ServerMetrics do
shared_examples "a metrics middleware" do
context "with mocked prometheus" do
include_context 'server metrics with mocked prometheus'
describe '#initialize' do
it 'sets concurrency metrics' do
expect(concurrency_metric).to receive(:set).with({}, Sidekiq.options[:concurrency].to_i)
subject
end
end
describe '#call' do
include_context 'server metrics call'
it 'yields block' do
expect { |b| subject.call(worker, job, :test, &b) }.to yield_control.once
end
it 'calls BackgroundTransaction' do
expect_next_instance_of(Gitlab::Metrics::BackgroundTransaction) do |instance|
expect(instance).to receive(:run)
end
subject.call(worker, job, :test) {}
end
it 'sets queue specific metrics' do
expect(running_jobs_metric).to receive(:increment).with(labels, -1)
expect(running_jobs_metric).to receive(:increment).with(labels, 1)
expect(queue_duration_seconds).to receive(:observe).with(labels, queue_duration_for_job) if queue_duration_for_job
expect(user_execution_seconds_metric).to receive(:observe).with(labels_with_job_status, thread_cputime_duration)
expect(db_seconds_metric).to receive(:observe).with(labels_with_job_status, db_duration)
expect(gitaly_seconds_metric).to receive(:observe).with(labels_with_job_status, gitaly_duration)
expect(completion_seconds_metric).to receive(:observe).with(labels_with_job_status, monotonic_time_duration)
expect(redis_seconds_metric).to receive(:observe).with(labels_with_job_status, redis_duration)
expect(elasticsearch_seconds_metric).to receive(:observe).with(labels_with_job_status, elasticsearch_duration)
expect(redis_requests_total).to receive(:increment).with(labels_with_job_status, redis_calls)
expect(elasticsearch_requests_total).to receive(:increment).with(labels_with_job_status, elasticsearch_calls)
subject.call(worker, job, :test) { nil }
end
it 'sets the thread name if it was nil' do
allow(Thread.current).to receive(:name).and_return(nil)
expect(Thread.current).to receive(:name=).with(Gitlab::Metrics::Samplers::ThreadsSampler::SIDEKIQ_WORKER_THREAD_NAME)
subject.call(worker, job, :test) { nil }
end
context 'when job_duration is not available' do
let(:queue_duration_for_job) { nil }
it 'does not set the queue_duration_seconds histogram' do
expect(queue_duration_seconds).not_to receive(:observe)
subject.call(worker, job, :test) { nil }
end
end
context 'when error is raised' do
let(:job_status) { :fail }
it 'sets sidekiq_jobs_failed_total and reraises' do
expect(failed_total_metric).to receive(:increment).with(labels, 1)
expect { subject.call(worker, job, :test) { raise StandardError, "Failed" } }.to raise_error(StandardError, "Failed")
end
end
context 'when job is retried' do
let(:job) { { 'retry_count' => 1 } }
it 'sets sidekiq_jobs_retried_total metric' do
expect(retried_total_metric).to receive(:increment)
subject.call(worker, job, :test) { nil }
end
end
end
end
context "with prometheus integrated" do
describe '#call' do
it 'yields block' do
expect { |b| subject.call(worker, job, :test, &b) }.to yield_control.once
end
context 'when error is raised' do
let(:job_status) { :fail }
it 'sets sidekiq_jobs_failed_total and reraises' do
expect { subject.call(worker, job, :test) { raise StandardError, "Failed" } }.to raise_error(StandardError, "Failed")
end
end
end
end
end
it_behaves_like 'metrics middleware with worker attribution' do
let(:job_status) { :done }
let(:labels_with_job_status) { labels.merge(job_status: job_status.to_s) }
end
context 'DB load balancing' do
using RSpec::Parameterized::TableSyntax
subject { described_class.new }
let(:queue) { :test }
let(:worker_class) { worker.class }
let(:job) { {} }
let(:job_status) { :done }
let(:labels_with_job_status) { default_labels.merge(job_status: job_status.to_s) }
let(:default_labels) do
{ queue: queue.to_s,
worker: worker_class.to_s,
boundary: "",
external_dependencies: "no",
feature_category: "",
urgency: "low" }
end
before do
stub_const('TestWorker', Class.new)
TestWorker.class_eval do
include Sidekiq::Worker
include WorkerAttributes
end
end
let(:worker) { TestWorker.new }
include_context 'server metrics with mocked prometheus'
context 'when load_balancing is enabled' do
let(:load_balancing_metric) { double('load balancing metric') }
include_context 'clear DB Load Balancing configuration'
before do
allow(::Gitlab::Database::LoadBalancing).to receive(:enable?).and_return(true)
allow(Gitlab::Metrics).to receive(:counter).with(:sidekiq_load_balancing_count, anything).and_return(load_balancing_metric)
end
describe '#initialize' do
it 'sets load_balancing metrics' do
expect(Gitlab::Metrics).to receive(:counter).with(:sidekiq_load_balancing_count, anything).and_return(load_balancing_metric)
subject
end
end
describe '#call' do
include_context 'server metrics call'
context 'when :database_chosen is provided' do
where(:database_chosen) do
%w[primary retry replica]
end
with_them do
context "when #{params[:database_chosen]} is used" do
let(:labels_with_load_balancing) do
labels_with_job_status.merge(database_chosen: database_chosen, data_consistency: 'delayed')
end
before do
job[:database_chosen] = database_chosen
job[:data_consistency] = 'delayed'
allow(load_balancing_metric).to receive(:increment)
end
it 'increment sidekiq_load_balancing_count' do
expect(load_balancing_metric).to receive(:increment).with(labels_with_load_balancing, 1)
described_class.new.call(worker, job, :test) { nil }
end
end
end
end
context 'when :database_chosen is not provided' do
it 'does not increment sidekiq_load_balancing_count' do
expect(load_balancing_metric).not_to receive(:increment)
described_class.new.call(worker, job, :test) { nil }
end
end
end
end
context 'when load_balancing is disabled' do
include_context 'clear DB Load Balancing configuration'
before do
allow(::Gitlab::Database::LoadBalancing).to receive(:enable?).and_return(false)
end
describe '#initialize' do
it 'doesnt set load_balancing metrics' do
expect(Gitlab::Metrics).not_to receive(:counter).with(:sidekiq_load_balancing_count, anything)
subject
end
end
end
end
end
# rubocop: enable RSpec/MultipleMemoizedHelpers
|
