205 lines
8.1 KiB
Ruby
205 lines
8.1 KiB
Ruby
# frozen_string_literal: true
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require 'spec_helper'
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describe Gitlab::SidekiqMiddleware::ServerMetrics do
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context "with worker attribution" 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(:job) { {} }
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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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let(:default_labels) { { queue: queue.to_s, boundary: "", external_dependencies: "no", feature_category: "", latency_sensitive: "no" } }
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shared_examples "a metrics middleware" do
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context "with mocked prometheus" do
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let(:concurrency_metric) { double('concurrency metric') }
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let(:queue_duration_seconds) { double('queue duration seconds metric') }
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let(:completion_seconds_metric) { double('completion seconds metric') }
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let(:user_execution_seconds_metric) { double('user execution seconds metric') }
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let(:failed_total_metric) { double('failed total metric') }
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let(:retried_total_metric) { double('retried total metric') }
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let(:running_jobs_metric) { double('running jobs metric') }
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before do
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allow(Gitlab::Metrics).to receive(:histogram).with(:sidekiq_jobs_queue_duration_seconds, anything, anything, anything).and_return(queue_duration_seconds)
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allow(Gitlab::Metrics).to receive(:histogram).with(:sidekiq_jobs_completion_seconds, anything, anything, anything).and_return(completion_seconds_metric)
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allow(Gitlab::Metrics).to receive(:histogram).with(:sidekiq_jobs_cpu_seconds, anything, anything, anything).and_return(user_execution_seconds_metric)
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allow(Gitlab::Metrics).to receive(:counter).with(:sidekiq_jobs_failed_total, anything).and_return(failed_total_metric)
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allow(Gitlab::Metrics).to receive(:counter).with(:sidekiq_jobs_retried_total, anything).and_return(retried_total_metric)
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allow(Gitlab::Metrics).to receive(:gauge).with(:sidekiq_running_jobs, anything, {}, :all).and_return(running_jobs_metric)
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allow(Gitlab::Metrics).to receive(:gauge).with(:sidekiq_concurrency, anything, {}, :all).and_return(concurrency_metric)
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allow(concurrency_metric).to receive(:set)
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end
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describe '#initialize' 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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subject
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end
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end
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describe '#call' do
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let(:thread_cputime_before) { 1 }
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let(:thread_cputime_after) { 2 }
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let(:thread_cputime_duration) { thread_cputime_after - thread_cputime_before }
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let(:monotonic_time_before) { 11 }
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let(:monotonic_time_after) { 20 }
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let(:monotonic_time_duration) { monotonic_time_after - monotonic_time_before }
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let(:queue_duration_for_job) { 0.01 }
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before do
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allow(subject).to receive(:get_thread_cputime).and_return(thread_cputime_before, thread_cputime_after)
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allow(Gitlab::Metrics::System).to receive(:monotonic_time).and_return(monotonic_time_before, monotonic_time_after)
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allow(Gitlab::InstrumentationHelper).to receive(:queue_duration_for_job).with(job).and_return(queue_duration_for_job)
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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(completion_seconds_metric).to receive(:observe).with(labels_with_job_status, monotonic_time_duration)
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end
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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 'sets queue specific metrics' do
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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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context "when workers are not attributed" do
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class TestNonAttributedWorker
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include Sidekiq::Worker
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end
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let(:worker) { TestNonAttributedWorker.new }
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let(:labels) { default_labels }
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it_behaves_like "a metrics middleware"
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end
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context "when workers are attributed" do
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def create_attributed_worker_class(latency_sensitive, external_dependencies, resource_boundary, 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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latency_sensitive_worker! if latency_sensitive
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worker_has_external_dependencies! if external_dependencies
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worker_resource_boundary resource_boundary unless resource_boundary == :unknown
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feature_category category unless category.nil?
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end
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end
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let(:latency_sensitive) { false }
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let(:external_dependencies) { false }
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let(:resource_boundary) { :unknown }
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let(:feature_category) { nil }
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let(:worker_class) { create_attributed_worker_class(latency_sensitive, external_dependencies, resource_boundary, feature_category) }
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let(:worker) { worker_class.new }
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context "latency sensitive" do
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let(:latency_sensitive) { true }
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let(:labels) { default_labels.merge(latency_sensitive: "yes") }
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it_behaves_like "a metrics middleware"
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end
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context "external dependencies" do
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let(:external_dependencies) { true }
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let(:labels) { default_labels.merge(external_dependencies: "yes") }
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it_behaves_like "a metrics middleware"
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end
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context "cpu boundary" do
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let(:resource_boundary) { :cpu }
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let(:labels) { default_labels.merge(boundary: "cpu") }
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it_behaves_like "a metrics middleware"
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end
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context "memory boundary" do
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let(:resource_boundary) { :memory }
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let(:labels) { default_labels.merge(boundary: "memory") }
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it_behaves_like "a metrics middleware"
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end
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context "feature category" do
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let(:feature_category) { :authentication }
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let(:labels) { default_labels.merge(feature_category: "authentication") }
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it_behaves_like "a metrics middleware"
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end
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context "combined" do
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let(:latency_sensitive) { true }
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let(:external_dependencies) { true }
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let(:resource_boundary) { :cpu }
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let(:feature_category) { :authentication }
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let(:labels) { default_labels.merge(latency_sensitive: "yes", external_dependencies: "yes", boundary: "cpu", feature_category: "authentication") }
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it_behaves_like "a metrics middleware"
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end
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end
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end
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end
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