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require 'spec_helper'
describe MetricsController do
include StubENV
let(:json_response) { JSON.parse(response.body) }
let(:metrics_multiproc_dir) { Dir.mktmpdir }
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' }
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])
end
describe '#index' do
shared_examples_for 'endpoint providing metrics' do
it 'returns DB ping metrics' do
get :index
expect(response.body).to match(/^db_ping_timeout 0$/)
expect(response.body).to match(/^db_ping_success 1$/)
expect(response.body).to match(/^db_ping_latency_seconds [0-9\.]+$/)
end
it 'returns Redis ping metrics' do
get :index
expect(response.body).to match(/^redis_ping_timeout 0$/)
expect(response.body).to match(/^redis_ping_success 1$/)
expect(response.body).to match(/^redis_ping_latency_seconds [0-9\.]+$/)
end
it 'returns Caching ping metrics' do
get :index
expect(response.body).to match(/^redis_cache_ping_timeout 0$/)
expect(response.body).to match(/^redis_cache_ping_success 1$/)
expect(response.body).to match(/^redis_cache_ping_latency_seconds [0-9\.]+$/)
end
it 'returns Queues ping metrics' do
get :index
expect(response.body).to match(/^redis_queues_ping_timeout 0$/)
expect(response.body).to match(/^redis_queues_ping_success 1$/)
expect(response.body).to match(/^redis_queues_ping_latency_seconds [0-9\.]+$/)
end
it 'returns SharedState ping metrics' do
get :index
expect(response.body).to match(/^redis_shared_state_ping_timeout 0$/)
expect(response.body).to match(/^redis_shared_state_ping_success 1$/)
expect(response.body).to match(/^redis_shared_state_ping_latency_seconds [0-9\.]+$/)
end
it 'returns file system check metrics' do
get :index
expect(response.body).to match(/^filesystem_access_latency_seconds{shard="default"} [0-9\.]+$/)
expect(response.body).to match(/^filesystem_accessible{shard="default"} 1$/)
expect(response.body).to match(/^filesystem_write_latency_seconds{shard="default"} [0-9\.]+$/)
expect(response.body).to match(/^filesystem_writable{shard="default"} 1$/)
expect(response.body).to match(/^filesystem_read_latency_seconds{shard="default"} [0-9\.]+$/)
expect(response.body).to match(/^filesystem_readable{shard="default"} 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(404)
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 proper response' do
get :index
expect(response.status).to eq(404)
end
end
end
end
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