116 lines
3.4 KiB
Ruby
116 lines
3.4 KiB
Ruby
# frozen_string_literal: true
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require 'spec_helper'
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RSpec.describe MetricsController, :request_store do
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include StubENV
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let(:metrics_multiproc_dir) { @metrics_multiproc_dir }
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let(:whitelisted_ip) { '127.0.0.1' }
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let(:whitelisted_ip_range) { '10.0.0.0/24' }
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let(:ip_in_whitelisted_range) { '10.0.0.1' }
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let(:not_whitelisted_ip) { '10.0.1.1' }
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around do |example|
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Dir.mktmpdir do |path|
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@metrics_multiproc_dir = path
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example.run
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end
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end
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before do
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stub_env('IN_MEMORY_APPLICATION_SETTINGS', 'false')
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allow(Prometheus::Client.configuration).to receive(:multiprocess_files_dir).and_return(metrics_multiproc_dir)
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allow(Gitlab::Metrics).to receive(:prometheus_metrics_enabled?).and_return(true)
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allow(Settings.monitoring).to receive(:ip_whitelist).and_return([whitelisted_ip, whitelisted_ip_range])
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allow_next_instance_of(MetricsService) do |instance|
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allow(instance).to receive(:metrics_text).and_return("prometheus_counter 1")
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end
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end
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shared_examples_for 'protected metrics endpoint' do |examples|
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context 'accessed from whitelisted ip' do
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before do
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allow(Gitlab::RequestContext.instance).to receive(:client_ip).and_return(whitelisted_ip)
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end
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it_behaves_like examples
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end
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context 'accessed from ip in whitelisted range' do
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before do
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allow(Gitlab::RequestContext.instance).to receive(:client_ip).and_return(ip_in_whitelisted_range)
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end
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it_behaves_like examples
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end
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context 'accessed from not whitelisted ip' do
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before do
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allow(Gitlab::RequestContext.instance).to receive(:client_ip).and_return(not_whitelisted_ip)
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end
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it 'returns the expected error response' do
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get :index
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expect(response).to have_gitlab_http_status(:not_found)
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end
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end
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end
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describe '#index' do
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shared_examples_for 'providing metrics' do
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it 'returns prometheus metrics' do
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get :index
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expect(response).to have_gitlab_http_status(:ok)
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expect(response.body).to match(/^prometheus_counter 1$/)
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end
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context 'prometheus metrics are disabled' do
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before do
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allow(Gitlab::Metrics).to receive(:prometheus_metrics_enabled?).and_return(false)
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end
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it 'returns proper response' do
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get :index
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expect(response).to have_gitlab_http_status(:ok)
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expect(response.body).to eq("# Metrics are disabled, see: http://test.host/help/administration/monitoring/prometheus/gitlab_metrics#gitlab-prometheus-metrics\n")
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end
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end
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end
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include_examples 'protected metrics endpoint', 'providing metrics'
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end
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describe '#system' do
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shared_examples_for 'providing system stats' do
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let(:summary) do
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{
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version: 'ruby-3.0-patch1',
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memory_rss: 1024
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}
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end
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it 'renders system stats JSON' do
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allow(Prometheus::PidProvider).to receive(:worker_id).and_return('worker-0')
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allow(Gitlab::Metrics::System).to receive(:summary).and_return(summary)
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get :system
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expect(response).to have_gitlab_http_status(:ok)
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expect(response_json['version']).to eq('ruby-3.0-patch1')
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expect(response_json['worker_id']).to eq('worker-0')
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expect(response_json['memory_rss']).to eq(1024)
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end
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end
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include_examples 'protected metrics endpoint', 'providing system stats'
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end
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def response_json
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Gitlab::Json.parse(response.body)
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end
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end
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