82 lines
2.8 KiB
Ruby
82 lines
2.8 KiB
Ruby
# frozen_string_literal: true
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require 'spec_helper'
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RSpec.describe 'diagnostic reports', :aggregate_failures, feature_category: :application_performance do
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subject(:load_initializer) do
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load Rails.root.join('config/initializers/diagnostic_reports.rb')
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end
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shared_examples 'does not modify worker hooks' do
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it do
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expect(Gitlab::Cluster::LifecycleEvents).not_to receive(:on_worker_start)
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expect(Gitlab::Cluster::LifecycleEvents).not_to receive(:on_worker_stop)
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expect(Gitlab::Memory::ReportsDaemon).not_to receive(:instance)
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expect(Gitlab::Memory::Reporter).not_to receive(:new)
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load_initializer
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end
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end
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context 'when GITLAB_DIAGNOSTIC_REPORTS_ENABLED is set to true' do
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before do
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stub_env('GITLAB_DIAGNOSTIC_REPORTS_ENABLED', true)
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end
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context 'when run in Puma context' do
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before do
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allow(::Gitlab::Runtime).to receive(:puma?).and_return(true)
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end
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let(:report_daemon) { instance_double(Gitlab::Memory::ReportsDaemon) }
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let(:reporter) { instance_double(Gitlab::Memory::Reporter) }
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it 'modifies worker startup hooks, starts Gitlab::Memory::ReportsDaemon' do
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expect(Gitlab::Cluster::LifecycleEvents).to receive(:on_worker_start).and_call_original
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expect(Gitlab::Cluster::LifecycleEvents).to receive(:on_worker_stop) # stub this out to not mutate global state
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expect_next_instance_of(Gitlab::Memory::ReportsDaemon) do |daemon|
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expect(daemon).to receive(:start)
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end
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load_initializer
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end
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it 'writes scheduled heap dumps in on_worker_stop' do
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expect(Gitlab::Cluster::LifecycleEvents).to receive(:on_worker_start)
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expect(Gitlab::Cluster::LifecycleEvents).to receive(:on_worker_stop).and_call_original
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expect(Gitlab::Memory::Reporter).to receive(:new).and_return(reporter)
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expect(reporter).to receive(:run_report).with(an_instance_of(Gitlab::Memory::Reports::HeapDump))
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load_initializer
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# This is necessary because this hook normally fires during worker shutdown.
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Gitlab::Cluster::LifecycleEvents.do_worker_stop
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end
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end
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context 'when run in non-Puma context, such as rails console, tests, Sidekiq' do
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before do
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allow(::Gitlab::Runtime).to receive(:puma?).and_return(false)
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end
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include_examples 'does not modify worker hooks'
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end
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end
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context 'when GITLAB_DIAGNOSTIC_REPORTS_ENABLED is not set' do
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before do
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allow(::Gitlab::Runtime).to receive(:puma?).and_return(true)
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end
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include_examples 'does not modify worker hooks'
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end
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context 'when GITLAB_DIAGNOSTIC_REPORTS_ENABLED is set to false' do
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before do
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stub_env('GITLAB_DIAGNOSTIC_REPORTS_ENABLED', false)
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allow(::Gitlab::Runtime).to receive(:puma?).and_return(true)
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end
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include_examples 'does not modify worker hooks'
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end
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end
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