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require 'spec_helper'
describe MetricsController do
include StubENV
let(:token) { current_application_settings.health_check_access_token }
let(:json_response) { JSON.parse(response.body) }
around do |example|
Dir.mktmpdir do |tmp_dir|
@metrics_multiproc_dir = tmp_dir
example.run
end
end
before do
stub_env('IN_MEMORY_APPLICATION_SETTINGS', 'false')
stub_env('prometheus_multiproc_dir', @metrics_multiproc_dir)
allow(Gitlab::Metrics).to receive(:prometheus_metrics_enabled?).and_return(true)
end
describe '#metrics' do
context 'authorization token provided' do
before do
request.headers['TOKEN'] = token
end
it 'returns DB ping metrics' do
get :metrics
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 [0-9\.]+$/)
end
it 'returns Redis ping metrics' do
get :metrics
expect(response.body).to match(/^redis_ping_timeout 0$/)
expect(response.body).to match(/^redis_ping_success 1$/)
expect(response.body).to match(/^redis_ping_latency [0-9\.]+$/)
end
it 'returns file system check metrics' do
get :metrics
expect(response.body).to match(/^filesystem_access_latency{shard="default"} [0-9\.]+$/)
expect(response.body).to match(/^filesystem_accessible{shard="default"} 1$/)
expect(response.body).to match(/^filesystem_write_latency{shard="default"} [0-9\.]+$/)
expect(response.body).to match(/^filesystem_writable{shard="default"} 1$/)
expect(response.body).to match(/^filesystem_read_latency{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 :metrics
expect(response.status).to eq(404)
end
end
end
context 'without authorization token' do
it 'returns proper response' do
get :metrics
expect(response.status).to eq(404)
end
end
end
end
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