# frozen_string_literal: true require 'spec_helper' describe MetricsController do include StubENV let(:metrics_multiproc_dir) { @metrics_multiproc_dir } let(:whitelisted_ip) { '127.0.0.1' } let(:whitelisted_ip_range) { '10.0.0.0/24' } let(:ip_in_whitelisted_range) { '10.0.0.1' } let(:not_whitelisted_ip) { '10.0.1.1' } around do |example| Dir.mktmpdir do |path| @metrics_multiproc_dir = path example.run end end before do stub_env('IN_MEMORY_APPLICATION_SETTINGS', 'false') allow(Prometheus::Client.configuration).to receive(:multiprocess_files_dir).and_return(metrics_multiproc_dir) allow(Gitlab::Metrics).to receive(:prometheus_metrics_enabled?).and_return(true) allow(Settings.monitoring).to receive(:ip_whitelist).and_return([whitelisted_ip, whitelisted_ip_range]) allow_next_instance_of(MetricsService) do |instance| allow(instance).to receive(:metrics_text).and_return("prometheus_counter 1") end end describe '#index' do shared_examples_for 'endpoint providing metrics' do it 'returns prometheus metrics' do get :index expect(response.status).to eq(200) expect(response.body).to match(/^prometheus_counter 1$/) end context 'prometheus metrics are disabled' do before do allow(Gitlab::Metrics).to receive(:prometheus_metrics_enabled?).and_return(false) end it 'returns proper response' do get :index expect(response.status).to eq(200) expect(response.body).to eq("# Metrics are disabled, see: http://test.host/help/administration/monitoring/prometheus/gitlab_metrics#gitlab-prometheus-metrics\n") end end end context 'accessed from whitelisted ip' do before do allow(Gitlab::RequestContext).to receive(:client_ip).and_return(whitelisted_ip) end it_behaves_like 'endpoint providing metrics' end context 'accessed from ip in whitelisted range' do before do allow(Gitlab::RequestContext).to receive(:client_ip).and_return(ip_in_whitelisted_range) end it_behaves_like 'endpoint providing metrics' end context 'accessed from not whitelisted ip' do before do allow(Gitlab::RequestContext).to receive(:client_ip).and_return(not_whitelisted_ip) end it 'returns the expected error response' do get :index expect(response.status).to eq(404) end end end end