mirror of https://github.com/status-im/consul.git
434 lines
12 KiB
Go
434 lines
12 KiB
Go
// Copyright (c) HashiCorp, Inc.
|
|
// SPDX-License-Identifier: BUSL-1.1
|
|
|
|
package hcp
|
|
|
|
import (
|
|
"context"
|
|
"errors"
|
|
"fmt"
|
|
"net/url"
|
|
"regexp"
|
|
"strings"
|
|
"sync"
|
|
"testing"
|
|
"time"
|
|
|
|
"github.com/armon/go-metrics"
|
|
"github.com/go-openapi/runtime"
|
|
"github.com/stretchr/testify/assert"
|
|
"github.com/stretchr/testify/mock"
|
|
"github.com/stretchr/testify/require"
|
|
|
|
"github.com/hashicorp/consul/agent/hcp/client"
|
|
)
|
|
|
|
const (
|
|
testRefreshInterval = 100 * time.Millisecond
|
|
testSinkServiceName = "test.telemetry_config_provider"
|
|
testRaceWriteSampleCount = 100
|
|
testRaceReadSampleCount = 5000
|
|
)
|
|
|
|
var (
|
|
// Test constants to verify inmem sink metrics.
|
|
testMetricKeyFailure = testSinkServiceName + "." + strings.Join(internalMetricRefreshFailure, ".")
|
|
testMetricKeySuccess = testSinkServiceName + "." + strings.Join(internalMetricRefreshSuccess, ".")
|
|
)
|
|
|
|
type testConfig struct {
|
|
filters string
|
|
endpoint string
|
|
labels map[string]string
|
|
refreshInterval time.Duration
|
|
disabled bool
|
|
}
|
|
|
|
func TestNewTelemetryConfigProvider_DefaultConfig(t *testing.T) {
|
|
t.Parallel()
|
|
ctx, cancel := context.WithCancel(context.Background())
|
|
defer cancel()
|
|
|
|
// Initialize new provider, but fail all HCP fetches.
|
|
mc := client.NewMockClient(t)
|
|
mc.EXPECT().FetchTelemetryConfig(mock.Anything).Return(nil, errors.New("failed to fetch config"))
|
|
|
|
provider := NewHCPProvider(ctx, mc)
|
|
provider.updateConfig(ctx)
|
|
|
|
// Assert provider has default configuration and metrics processing is disabled.
|
|
defaultCfg := &dynamicConfig{
|
|
labels: map[string]string{},
|
|
filters: client.DefaultMetricFilters,
|
|
refreshInterval: defaultTelemetryConfigRefreshInterval,
|
|
endpoint: nil,
|
|
disabled: true,
|
|
}
|
|
require.Equal(t, defaultCfg, provider.cfg)
|
|
}
|
|
|
|
func TestTelemetryConfigProvider_UpdateConfig(t *testing.T) {
|
|
for name, tc := range map[string]struct {
|
|
mockExpect func(*client.MockClient)
|
|
metricKey string
|
|
initCfg *dynamicConfig
|
|
expected *dynamicConfig
|
|
expectedInterval time.Duration
|
|
}{
|
|
"noChanges": {
|
|
initCfg: testDynamicCfg(&testConfig{
|
|
endpoint: "http://test.com/v1/metrics",
|
|
filters: "test",
|
|
labels: map[string]string{
|
|
"test_label": "123",
|
|
},
|
|
refreshInterval: testRefreshInterval,
|
|
}),
|
|
mockExpect: func(m *client.MockClient) {
|
|
mockCfg, _ := testTelemetryCfg(&testConfig{
|
|
endpoint: "http://test.com/v1/metrics",
|
|
filters: "test",
|
|
labels: map[string]string{
|
|
"test_label": "123",
|
|
},
|
|
refreshInterval: testRefreshInterval,
|
|
})
|
|
m.EXPECT().FetchTelemetryConfig(mock.Anything).Return(mockCfg, nil)
|
|
},
|
|
expected: testDynamicCfg(&testConfig{
|
|
endpoint: "http://test.com/v1/metrics",
|
|
labels: map[string]string{
|
|
"test_label": "123",
|
|
},
|
|
filters: "test",
|
|
refreshInterval: testRefreshInterval,
|
|
}),
|
|
metricKey: testMetricKeySuccess,
|
|
expectedInterval: testRefreshInterval,
|
|
},
|
|
"newConfig": {
|
|
initCfg: testDynamicCfg(&testConfig{
|
|
endpoint: "http://test.com/v1/metrics",
|
|
filters: "test",
|
|
labels: map[string]string{
|
|
"test_label": "123",
|
|
},
|
|
refreshInterval: 2 * time.Second,
|
|
}),
|
|
mockExpect: func(m *client.MockClient) {
|
|
mockCfg, _ := testTelemetryCfg(&testConfig{
|
|
endpoint: "http://newendpoint/v1/metrics",
|
|
filters: "consul",
|
|
labels: map[string]string{
|
|
"new_label": "1234",
|
|
},
|
|
refreshInterval: 2 * time.Second,
|
|
})
|
|
m.EXPECT().FetchTelemetryConfig(mock.Anything).Return(mockCfg, nil)
|
|
},
|
|
expected: testDynamicCfg(&testConfig{
|
|
endpoint: "http://newendpoint/v1/metrics",
|
|
filters: "consul",
|
|
labels: map[string]string{
|
|
"new_label": "1234",
|
|
},
|
|
refreshInterval: 2 * time.Second,
|
|
}),
|
|
expectedInterval: 2 * time.Second,
|
|
metricKey: testMetricKeySuccess,
|
|
},
|
|
"newConfigMetricsDisabled": {
|
|
initCfg: testDynamicCfg(&testConfig{
|
|
endpoint: "http://test.com/v1/metrics",
|
|
filters: "test",
|
|
labels: map[string]string{
|
|
"test_label": "123",
|
|
},
|
|
refreshInterval: 2 * time.Second,
|
|
}),
|
|
mockExpect: func(m *client.MockClient) {
|
|
mockCfg, _ := testTelemetryCfg(&testConfig{
|
|
endpoint: "",
|
|
filters: "consul",
|
|
labels: map[string]string{
|
|
"new_label": "1234",
|
|
},
|
|
refreshInterval: 2 * time.Second,
|
|
disabled: true,
|
|
})
|
|
m.EXPECT().FetchTelemetryConfig(mock.Anything).Return(mockCfg, nil)
|
|
},
|
|
expected: testDynamicCfg(&testConfig{
|
|
endpoint: "",
|
|
filters: "consul",
|
|
labels: map[string]string{
|
|
"new_label": "1234",
|
|
},
|
|
refreshInterval: 2 * time.Second,
|
|
disabled: true,
|
|
}),
|
|
metricKey: testMetricKeySuccess,
|
|
expectedInterval: 2 * time.Second,
|
|
},
|
|
"sameConfigInvalidRefreshInterval": {
|
|
initCfg: testDynamicCfg(&testConfig{
|
|
endpoint: "http://test.com/v1/metrics",
|
|
filters: "test",
|
|
labels: map[string]string{
|
|
"test_label": "123",
|
|
},
|
|
refreshInterval: testRefreshInterval,
|
|
}),
|
|
mockExpect: func(m *client.MockClient) {
|
|
mockCfg, _ := testTelemetryCfg(&testConfig{
|
|
refreshInterval: 0 * time.Second,
|
|
})
|
|
m.EXPECT().FetchTelemetryConfig(mock.Anything).Return(mockCfg, nil)
|
|
},
|
|
expected: testDynamicCfg(&testConfig{
|
|
endpoint: "http://test.com/v1/metrics",
|
|
labels: map[string]string{
|
|
"test_label": "123",
|
|
},
|
|
filters: "test",
|
|
refreshInterval: testRefreshInterval,
|
|
}),
|
|
metricKey: testMetricKeyFailure,
|
|
expectedInterval: 0,
|
|
},
|
|
"sameConfigHCPClientFailure": {
|
|
initCfg: testDynamicCfg(&testConfig{
|
|
endpoint: "http://test.com/v1/metrics",
|
|
filters: "test",
|
|
labels: map[string]string{
|
|
"test_label": "123",
|
|
},
|
|
refreshInterval: testRefreshInterval,
|
|
}),
|
|
mockExpect: func(m *client.MockClient) {
|
|
m.EXPECT().FetchTelemetryConfig(mock.Anything).Return(nil, fmt.Errorf("failure"))
|
|
},
|
|
expected: testDynamicCfg(&testConfig{
|
|
endpoint: "http://test.com/v1/metrics",
|
|
filters: "test",
|
|
labels: map[string]string{
|
|
"test_label": "123",
|
|
},
|
|
refreshInterval: testRefreshInterval,
|
|
}),
|
|
metricKey: testMetricKeyFailure,
|
|
expectedInterval: 0,
|
|
},
|
|
"disableMetrics404": {
|
|
initCfg: testDynamicCfg(&testConfig{
|
|
endpoint: "http://test.com/v1/metrics",
|
|
filters: "test",
|
|
labels: map[string]string{
|
|
"test_label": "123",
|
|
},
|
|
refreshInterval: testRefreshInterval,
|
|
}),
|
|
mockExpect: func(m *client.MockClient) {
|
|
err := runtime.NewAPIError("404 failure", nil, 404)
|
|
m.EXPECT().FetchTelemetryConfig(mock.Anything).Return(nil, err)
|
|
},
|
|
expected: defaultDisabledCfg(),
|
|
metricKey: testMetricKeySuccess,
|
|
expectedInterval: defaultTelemetryConfigRefreshInterval,
|
|
},
|
|
} {
|
|
tc := tc
|
|
t.Run(name, func(t *testing.T) {
|
|
sink := initGlobalSink()
|
|
mockClient := client.NewMockClient(t)
|
|
tc.mockExpect(mockClient)
|
|
|
|
provider := &hcpProviderImpl{
|
|
hcpClient: mockClient,
|
|
cfg: tc.initCfg,
|
|
}
|
|
|
|
newInterval := provider.updateConfig(context.Background())
|
|
require.Equal(t, tc.expectedInterval, newInterval)
|
|
|
|
// Verify endpoint provider returns correct config values.
|
|
require.Equal(t, tc.expected.endpoint, provider.GetEndpoint())
|
|
require.Equal(t, tc.expected.filters, provider.GetFilters())
|
|
require.Equal(t, tc.expected.labels, provider.GetLabels())
|
|
require.Equal(t, tc.expected.disabled, provider.IsDisabled())
|
|
|
|
// Verify count for transform success metric.
|
|
interval := sink.Data()[0]
|
|
require.NotNil(t, interval, 1)
|
|
sv := interval.Counters[tc.metricKey]
|
|
assert.NotNil(t, sv.AggregateSample)
|
|
require.Equal(t, sv.AggregateSample.Count, 1)
|
|
})
|
|
}
|
|
}
|
|
|
|
// mockRaceClient is a mock HCP client that fetches TelemetryConfig.
|
|
// The mock TelemetryConfig returned can be manually updated at any time.
|
|
// It manages concurrent read/write access to config with a sync.RWMutex.
|
|
type mockRaceClient struct {
|
|
client.Client
|
|
cfg *client.TelemetryConfig
|
|
rw sync.RWMutex
|
|
}
|
|
|
|
// updateCfg acquires a write lock and updates client config to a new value givent a count.
|
|
func (m *mockRaceClient) updateCfg(count int) (*client.TelemetryConfig, error) {
|
|
m.rw.Lock()
|
|
defer m.rw.Unlock()
|
|
|
|
labels := map[string]string{fmt.Sprintf("label_%d", count): fmt.Sprintf("value_%d", count)}
|
|
|
|
filters, err := regexp.Compile(fmt.Sprintf("consul_filter_%d", count))
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
endpoint, err := url.Parse(fmt.Sprintf("http://consul-endpoint-%d.com", count))
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
cfg := &client.TelemetryConfig{
|
|
MetricsConfig: &client.MetricsConfig{
|
|
Filters: filters,
|
|
Endpoint: endpoint,
|
|
Labels: labels,
|
|
},
|
|
RefreshConfig: &client.RefreshConfig{
|
|
RefreshInterval: testRefreshInterval,
|
|
},
|
|
}
|
|
m.cfg = cfg
|
|
|
|
return cfg, nil
|
|
}
|
|
|
|
// FetchTelemetryConfig returns the current config held by the mockRaceClient.
|
|
func (m *mockRaceClient) FetchTelemetryConfig(ctx context.Context) (*client.TelemetryConfig, error) {
|
|
m.rw.RLock()
|
|
defer m.rw.RUnlock()
|
|
|
|
return m.cfg, nil
|
|
}
|
|
|
|
func TestTelemetryConfigProvider_Race(t *testing.T) {
|
|
//todo(achooo): address flaky test
|
|
t.Skip("TODO(flaky): This test fails often in the CI")
|
|
ctx, cancel := context.WithCancel(context.Background())
|
|
defer cancel()
|
|
|
|
initCfg, err := testTelemetryCfg(&testConfig{
|
|
endpoint: "test.com",
|
|
filters: "test",
|
|
labels: map[string]string{"test_label": "test_value"},
|
|
refreshInterval: testRefreshInterval,
|
|
})
|
|
require.NoError(t, err)
|
|
|
|
m := &mockRaceClient{
|
|
cfg: initCfg,
|
|
}
|
|
|
|
// Start the provider goroutine, which fetches client TelemetryConfig every RefreshInterval.
|
|
provider := NewHCPProvider(ctx, m)
|
|
|
|
for count := 0; count < testRaceWriteSampleCount; count++ {
|
|
// Force a TelemetryConfig value change in the mockRaceClient.
|
|
newCfg, err := m.updateCfg(count)
|
|
require.NoError(t, err)
|
|
// Force provider to obtain new client TelemetryConfig immediately.
|
|
// This call is necessary to guarantee TelemetryConfig changes to assert on expected values below.
|
|
provider.updateConfig(context.Background())
|
|
|
|
// Start goroutines to access label configuration.
|
|
wg := &sync.WaitGroup{}
|
|
kickOff(wg, testRaceReadSampleCount, provider, func(provider *hcpProviderImpl) {
|
|
require.Equal(t, provider.GetLabels(), newCfg.MetricsConfig.Labels)
|
|
})
|
|
|
|
// Start goroutines to access endpoint configuration.
|
|
kickOff(wg, testRaceReadSampleCount, provider, func(provider *hcpProviderImpl) {
|
|
require.Equal(t, provider.GetFilters(), newCfg.MetricsConfig.Filters)
|
|
})
|
|
|
|
// Start goroutines to access filter configuration.
|
|
kickOff(wg, testRaceReadSampleCount, provider, func(provider *hcpProviderImpl) {
|
|
require.Equal(t, provider.GetEndpoint(), newCfg.MetricsConfig.Endpoint)
|
|
})
|
|
|
|
wg.Wait()
|
|
}
|
|
}
|
|
|
|
func kickOff(wg *sync.WaitGroup, count int, provider *hcpProviderImpl, check func(cfgProvider *hcpProviderImpl)) {
|
|
for i := 0; i < count; i++ {
|
|
wg.Add(1)
|
|
go func() {
|
|
defer wg.Done()
|
|
check(provider)
|
|
}()
|
|
}
|
|
}
|
|
|
|
// initGlobalSink is a helper function to initialize a Go metrics inmemsink.
|
|
func initGlobalSink() *metrics.InmemSink {
|
|
cfg := metrics.DefaultConfig(testSinkServiceName)
|
|
cfg.EnableHostname = false
|
|
|
|
sink := metrics.NewInmemSink(10*time.Second, 10*time.Second)
|
|
metrics.NewGlobal(cfg, sink)
|
|
|
|
return sink
|
|
}
|
|
|
|
// testDynamicCfg converts testConfig inputs to a dynamicConfig to be used in tests.
|
|
func testDynamicCfg(testCfg *testConfig) *dynamicConfig {
|
|
filters, _ := regexp.Compile(testCfg.filters)
|
|
|
|
var endpoint *url.URL
|
|
if testCfg.endpoint != "" {
|
|
endpoint, _ = url.Parse(testCfg.endpoint)
|
|
}
|
|
return &dynamicConfig{
|
|
endpoint: endpoint,
|
|
filters: filters,
|
|
labels: testCfg.labels,
|
|
refreshInterval: testCfg.refreshInterval,
|
|
disabled: testCfg.disabled,
|
|
}
|
|
}
|
|
|
|
// testTelemetryCfg converts testConfig inputs to a TelemetryConfig to be used in tests.
|
|
func testTelemetryCfg(testCfg *testConfig) (*client.TelemetryConfig, error) {
|
|
filters, err := regexp.Compile(testCfg.filters)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
var endpoint *url.URL
|
|
if testCfg.endpoint != "" {
|
|
u, err := url.Parse(testCfg.endpoint)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
endpoint = u
|
|
}
|
|
|
|
return &client.TelemetryConfig{
|
|
MetricsConfig: &client.MetricsConfig{
|
|
Endpoint: endpoint,
|
|
Filters: filters,
|
|
Labels: testCfg.labels,
|
|
Disabled: testCfg.disabled,
|
|
},
|
|
RefreshConfig: &client.RefreshConfig{
|
|
RefreshInterval: testCfg.refreshInterval,
|
|
},
|
|
}, nil
|
|
}
|