gitlab-org--gitlab-foss/spec/controllers/metrics_controller_spec.rb

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# frozen_string_literal: true
require 'spec_helper'
RSpec.describe MetricsController, :request_store 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).to have_gitlab_http_status(:ok)
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).to have_gitlab_http_status(:ok)
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.instance).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.instance).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.instance).to receive(:client_ip).and_return(not_whitelisted_ip)
end
it 'returns the expected error response' do
get :index
expect(response).to have_gitlab_http_status(:not_found)
end
end
end
end