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			854 lines
		
	
	
		
			23 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			854 lines
		
	
	
		
			23 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
package server
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import (
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	"context"
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	"errors"
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	"strconv"
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	"sync"
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	"testing"
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	"time"
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	"github.com/stretchr/testify/assert"
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	"github.com/traefik/traefik/v2/pkg/config/dynamic"
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	"github.com/traefik/traefik/v2/pkg/provider/aggregator"
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	"github.com/traefik/traefik/v2/pkg/safe"
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	th "github.com/traefik/traefik/v2/pkg/testhelpers"
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	"github.com/traefik/traefik/v2/pkg/tls"
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)
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type mockProvider struct {
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	messages         []dynamic.Message
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	wait             time.Duration
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	first            chan struct{}
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	throttleDuration time.Duration
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}
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func (p *mockProvider) Provide(configurationChan chan<- dynamic.Message, _ *safe.Pool) error {
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	wait := p.wait
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	if wait == 0 {
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		wait = 20 * time.Millisecond
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	}
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	if len(p.messages) == 0 {
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		return errors.New("no messages available")
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	}
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	configurationChan <- p.messages[0]
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	if p.first != nil {
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		<-p.first
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	}
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	for _, message := range p.messages[1:] {
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		time.Sleep(wait)
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		configurationChan <- message
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	}
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	return nil
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}
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// ThrottleDuration returns the throttle duration.
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func (p *mockProvider) ThrottleDuration() time.Duration {
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	return p.throttleDuration
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}
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func (p *mockProvider) Init() error {
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	return nil
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}
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func TestNewConfigurationWatcher(t *testing.T) {
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	routinesPool := safe.NewPool(context.Background())
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	t.Cleanup(routinesPool.Stop)
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	pvd := &mockProvider{
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		messages: []dynamic.Message{{
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			ProviderName: "mock",
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			Configuration: &dynamic.Configuration{
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				HTTP: th.BuildConfiguration(
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					th.WithRouters(
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						th.WithRouter("test",
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							th.WithEntryPoints("e"),
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							th.WithServiceName("scv"))),
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				),
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			},
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		}},
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	}
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	watcher := NewConfigurationWatcher(routinesPool, pvd, []string{}, "")
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	run := make(chan struct{})
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	watcher.AddListener(func(conf dynamic.Configuration) {
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		expected := dynamic.Configuration{
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			HTTP: th.BuildConfiguration(
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				th.WithRouters(
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					th.WithRouter("test@mock",
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						th.WithEntryPoints("e"),
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						th.WithServiceName("scv"))),
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				th.WithMiddlewares(),
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				th.WithLoadBalancerServices(),
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			),
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			TCP: &dynamic.TCPConfiguration{
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				Routers:     map[string]*dynamic.TCPRouter{},
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				Middlewares: map[string]*dynamic.TCPMiddleware{},
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				Services:    map[string]*dynamic.TCPService{},
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			},
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			TLS: &dynamic.TLSConfiguration{
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				Options: map[string]tls.Options{
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					"default": tls.DefaultTLSOptions,
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				},
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				Stores: map[string]tls.Store{},
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			},
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			UDP: &dynamic.UDPConfiguration{
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				Routers:  map[string]*dynamic.UDPRouter{},
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				Services: map[string]*dynamic.UDPService{},
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			},
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		}
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		assert.Equal(t, expected, conf)
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		close(run)
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	})
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	watcher.Start()
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	<-run
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}
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func TestWaitForRequiredProvider(t *testing.T) {
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	routinesPool := safe.NewPool(context.Background())
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	pvdAggregator := &mockProvider{
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		wait: 5 * time.Millisecond,
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	}
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	config := &dynamic.Configuration{
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		HTTP: th.BuildConfiguration(
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			th.WithRouters(th.WithRouter("foo", th.WithEntryPoints("ep"))),
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			th.WithLoadBalancerServices(th.WithService("bar")),
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		),
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	}
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	pvdAggregator.messages = append(pvdAggregator.messages, dynamic.Message{
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		ProviderName:  "mock",
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		Configuration: config,
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	})
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	pvdAggregator.messages = append(pvdAggregator.messages, dynamic.Message{
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		ProviderName:  "required",
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		Configuration: config,
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	})
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	pvdAggregator.messages = append(pvdAggregator.messages, dynamic.Message{
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		ProviderName:  "mock2",
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		Configuration: config,
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	})
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	watcher := NewConfigurationWatcher(routinesPool, pvdAggregator, []string{}, "required")
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	publishedConfigCount := 0
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	watcher.AddListener(func(_ dynamic.Configuration) {
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		publishedConfigCount++
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	})
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	watcher.Start()
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	t.Cleanup(watcher.Stop)
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	t.Cleanup(routinesPool.Stop)
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	// give some time so that the configuration can be processed
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	time.Sleep(20 * time.Millisecond)
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	// after 20 milliseconds we should have 2 configs published
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	assert.Equal(t, 2, publishedConfigCount, "times configs were published")
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}
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func TestIgnoreTransientConfiguration(t *testing.T) {
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	routinesPool := safe.NewPool(context.Background())
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	config := &dynamic.Configuration{
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		HTTP: th.BuildConfiguration(
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			th.WithRouters(th.WithRouter("foo", th.WithEntryPoints("ep"))),
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			th.WithLoadBalancerServices(th.WithService("bar")),
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		),
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	}
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	expectedConfig := dynamic.Configuration{
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		HTTP: th.BuildConfiguration(
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			th.WithRouters(th.WithRouter("foo@mock", th.WithEntryPoints("ep"))),
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			th.WithLoadBalancerServices(th.WithService("bar@mock")),
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			th.WithMiddlewares(),
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		),
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		TCP: &dynamic.TCPConfiguration{
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			Routers:     map[string]*dynamic.TCPRouter{},
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			Middlewares: map[string]*dynamic.TCPMiddleware{},
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			Services:    map[string]*dynamic.TCPService{},
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		},
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		UDP: &dynamic.UDPConfiguration{
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			Routers:  map[string]*dynamic.UDPRouter{},
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			Services: map[string]*dynamic.UDPService{},
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		},
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		TLS: &dynamic.TLSConfiguration{
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			Options: map[string]tls.Options{
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				"default": tls.DefaultTLSOptions,
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			},
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			Stores: map[string]tls.Store{},
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		},
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	}
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	expectedConfig3 := dynamic.Configuration{
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		HTTP: th.BuildConfiguration(
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			th.WithRouters(th.WithRouter("foo@mock", th.WithEntryPoints("ep"))),
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			th.WithLoadBalancerServices(th.WithService("bar-config3@mock")),
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			th.WithMiddlewares(),
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		),
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		TCP: &dynamic.TCPConfiguration{
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			Routers:     map[string]*dynamic.TCPRouter{},
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			Middlewares: map[string]*dynamic.TCPMiddleware{},
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			Services:    map[string]*dynamic.TCPService{},
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		},
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		UDP: &dynamic.UDPConfiguration{
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			Routers:  map[string]*dynamic.UDPRouter{},
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			Services: map[string]*dynamic.UDPService{},
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		},
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		TLS: &dynamic.TLSConfiguration{
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			Options: map[string]tls.Options{
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				"default": tls.DefaultTLSOptions,
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			},
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			Stores: map[string]tls.Store{},
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		},
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	}
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	config2 := &dynamic.Configuration{
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		HTTP: th.BuildConfiguration(
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			th.WithRouters(th.WithRouter("baz", th.WithEntryPoints("ep"))),
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			th.WithLoadBalancerServices(th.WithService("toto")),
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		),
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	}
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	config3 := &dynamic.Configuration{
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		HTTP: th.BuildConfiguration(
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			th.WithRouters(th.WithRouter("foo", th.WithEntryPoints("ep"))),
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			th.WithLoadBalancerServices(th.WithService("bar-config3")),
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		),
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	}
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	watcher := NewConfigurationWatcher(routinesPool, &mockProvider{}, []string{}, "")
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	// To be able to "block" the writes, we change the chan to remove buffering.
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	watcher.allProvidersConfigs = make(chan dynamic.Message)
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	publishedConfigCount := 0
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	firstConfigHandled := make(chan struct{})
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	blockConfConsumer := make(chan struct{})
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	blockConfConsumerAssert := make(chan struct{})
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	watcher.AddListener(func(config dynamic.Configuration) {
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		publishedConfigCount++
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		if publishedConfigCount > 2 {
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			t.Fatal("More than 2 published configuration")
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		}
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		if publishedConfigCount == 1 {
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			assert.Equal(t, expectedConfig, config)
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			close(firstConfigHandled)
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			<-blockConfConsumer
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			time.Sleep(500 * time.Millisecond)
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		}
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		if publishedConfigCount == 2 {
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			assert.Equal(t, expectedConfig3, config)
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			close(blockConfConsumerAssert)
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		}
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	})
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	watcher.Start()
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	t.Cleanup(watcher.Stop)
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	t.Cleanup(routinesPool.Stop)
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	watcher.allProvidersConfigs <- dynamic.Message{
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		ProviderName:  "mock",
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		Configuration: config,
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	}
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	<-firstConfigHandled
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	watcher.allProvidersConfigs <- dynamic.Message{
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		ProviderName:  "mock",
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		Configuration: config2,
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	}
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	watcher.allProvidersConfigs <- dynamic.Message{
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		ProviderName:  "mock",
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		Configuration: config,
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	}
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	close(blockConfConsumer)
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	watcher.allProvidersConfigs <- dynamic.Message{
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		ProviderName:  "mock",
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		Configuration: config3,
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	}
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	select {
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	case <-blockConfConsumerAssert:
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	case <-time.After(10 * time.Second):
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		t.Fatal("Timeout")
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	}
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}
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func TestListenProvidersThrottleProviderConfigReload(t *testing.T) {
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	routinesPool := safe.NewPool(context.Background())
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	pvd := &mockProvider{
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		wait:             10 * time.Millisecond,
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		throttleDuration: 30 * time.Millisecond,
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	}
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	for i := range 5 {
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		pvd.messages = append(pvd.messages, dynamic.Message{
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			ProviderName: "mock",
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			Configuration: &dynamic.Configuration{
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				HTTP: th.BuildConfiguration(
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					th.WithRouters(th.WithRouter("foo"+strconv.Itoa(i), th.WithEntryPoints("ep"))),
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					th.WithLoadBalancerServices(th.WithService("bar")),
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				),
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			},
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		})
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	}
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	providerAggregator := &aggregator.ProviderAggregator{}
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	err := providerAggregator.AddProvider(pvd)
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	assert.NoError(t, err)
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	watcher := NewConfigurationWatcher(routinesPool, providerAggregator, []string{}, "")
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	publishedConfigCount := 0
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	watcher.AddListener(func(_ dynamic.Configuration) {
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		publishedConfigCount++
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	})
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	watcher.Start()
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	t.Cleanup(watcher.Stop)
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	t.Cleanup(routinesPool.Stop)
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	// Give some time so that the configuration can be processed.
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	time.Sleep(100 * time.Millisecond)
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	// To load 5 new configs it would require 150ms (5 configs * 30ms).
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	// In 100ms, we should only have time to load 3 configs.
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	assert.LessOrEqual(t, publishedConfigCount, 3, "config was applied too many times")
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	assert.Positive(t, publishedConfigCount, "config was not applied at least once")
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}
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func TestListenProvidersSkipsEmptyConfigs(t *testing.T) {
 | 
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	routinesPool := safe.NewPool(context.Background())
 | 
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 | 
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	pvd := &mockProvider{
 | 
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		messages: []dynamic.Message{{ProviderName: "mock"}},
 | 
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	}
 | 
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	watcher := NewConfigurationWatcher(routinesPool, pvd, []string{}, "")
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	watcher.AddListener(func(_ dynamic.Configuration) {
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		t.Error("An empty configuration was published but it should not")
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	})
 | 
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 | 
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	watcher.Start()
 | 
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 | 
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	t.Cleanup(watcher.Stop)
 | 
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	t.Cleanup(routinesPool.Stop)
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 | 
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	// give some time so that the configuration can be processed
 | 
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	time.Sleep(100 * time.Millisecond)
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}
 | 
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 | 
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func TestListenProvidersSkipsSameConfigurationForProvider(t *testing.T) {
 | 
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	routinesPool := safe.NewPool(context.Background())
 | 
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 | 
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	message := dynamic.Message{
 | 
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		ProviderName: "mock",
 | 
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		Configuration: &dynamic.Configuration{
 | 
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			HTTP: th.BuildConfiguration(
 | 
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				th.WithRouters(th.WithRouter("foo", th.WithEntryPoints("ep"))),
 | 
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				th.WithLoadBalancerServices(th.WithService("bar")),
 | 
						|
			),
 | 
						|
		},
 | 
						|
	}
 | 
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 | 
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	pvd := &mockProvider{
 | 
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		messages: []dynamic.Message{message, message},
 | 
						|
	}
 | 
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 | 
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	watcher := NewConfigurationWatcher(routinesPool, pvd, []string{}, "")
 | 
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 | 
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	var configurationReloads int
 | 
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	watcher.AddListener(func(_ dynamic.Configuration) {
 | 
						|
		configurationReloads++
 | 
						|
	})
 | 
						|
 | 
						|
	watcher.Start()
 | 
						|
 | 
						|
	t.Cleanup(watcher.Stop)
 | 
						|
	t.Cleanup(routinesPool.Stop)
 | 
						|
 | 
						|
	// give some time so that the configuration can be processed
 | 
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	time.Sleep(100 * time.Millisecond)
 | 
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	assert.Equal(t, 1, configurationReloads, "Same configuration should not be published multiple times")
 | 
						|
}
 | 
						|
 | 
						|
func TestListenProvidersDoesNotSkipFlappingConfiguration(t *testing.T) {
 | 
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	routinesPool := safe.NewPool(context.Background())
 | 
						|
 | 
						|
	configuration := &dynamic.Configuration{
 | 
						|
		HTTP: th.BuildConfiguration(
 | 
						|
			th.WithRouters(th.WithRouter("foo", th.WithEntryPoints("ep"))),
 | 
						|
			th.WithLoadBalancerServices(th.WithService("bar")),
 | 
						|
		),
 | 
						|
	}
 | 
						|
 | 
						|
	transientConfiguration := &dynamic.Configuration{
 | 
						|
		HTTP: th.BuildConfiguration(
 | 
						|
			th.WithRouters(th.WithRouter("bad", th.WithEntryPoints("ep"))),
 | 
						|
			th.WithLoadBalancerServices(th.WithService("bad")),
 | 
						|
		),
 | 
						|
	}
 | 
						|
 | 
						|
	pvd := &mockProvider{
 | 
						|
		wait:             5 * time.Millisecond, // The last message needs to be received before the second has been fully processed
 | 
						|
		throttleDuration: 15 * time.Millisecond,
 | 
						|
		messages: []dynamic.Message{
 | 
						|
			{ProviderName: "mock", Configuration: configuration},
 | 
						|
			{ProviderName: "mock", Configuration: transientConfiguration},
 | 
						|
			{ProviderName: "mock", Configuration: configuration},
 | 
						|
		},
 | 
						|
	}
 | 
						|
 | 
						|
	watcher := NewConfigurationWatcher(routinesPool, pvd, []string{}, "")
 | 
						|
 | 
						|
	var lastConfig dynamic.Configuration
 | 
						|
	watcher.AddListener(func(conf dynamic.Configuration) {
 | 
						|
		lastConfig = conf
 | 
						|
	})
 | 
						|
 | 
						|
	watcher.Start()
 | 
						|
 | 
						|
	t.Cleanup(watcher.Stop)
 | 
						|
	t.Cleanup(routinesPool.Stop)
 | 
						|
 | 
						|
	// give some time so that the configuration can be processed
 | 
						|
	time.Sleep(100 * time.Millisecond)
 | 
						|
 | 
						|
	expected := dynamic.Configuration{
 | 
						|
		HTTP: th.BuildConfiguration(
 | 
						|
			th.WithRouters(th.WithRouter("foo@mock", th.WithEntryPoints("ep"))),
 | 
						|
			th.WithLoadBalancerServices(th.WithService("bar@mock")),
 | 
						|
			th.WithMiddlewares(),
 | 
						|
		),
 | 
						|
		TCP: &dynamic.TCPConfiguration{
 | 
						|
			Routers:     map[string]*dynamic.TCPRouter{},
 | 
						|
			Middlewares: map[string]*dynamic.TCPMiddleware{},
 | 
						|
			Services:    map[string]*dynamic.TCPService{},
 | 
						|
		},
 | 
						|
		UDP: &dynamic.UDPConfiguration{
 | 
						|
			Routers:  map[string]*dynamic.UDPRouter{},
 | 
						|
			Services: map[string]*dynamic.UDPService{},
 | 
						|
		},
 | 
						|
		TLS: &dynamic.TLSConfiguration{
 | 
						|
			Options: map[string]tls.Options{
 | 
						|
				"default": tls.DefaultTLSOptions,
 | 
						|
			},
 | 
						|
			Stores: map[string]tls.Store{},
 | 
						|
		},
 | 
						|
	}
 | 
						|
 | 
						|
	assert.Equal(t, expected, lastConfig)
 | 
						|
}
 | 
						|
 | 
						|
func TestListenProvidersIgnoreSameConfig(t *testing.T) {
 | 
						|
	routinesPool := safe.NewPool(context.Background())
 | 
						|
 | 
						|
	configuration := &dynamic.Configuration{
 | 
						|
		HTTP: th.BuildConfiguration(
 | 
						|
			th.WithRouters(th.WithRouter("foo", th.WithEntryPoints("ep"))),
 | 
						|
			th.WithLoadBalancerServices(th.WithService("bar")),
 | 
						|
		),
 | 
						|
	}
 | 
						|
 | 
						|
	transientConfiguration := &dynamic.Configuration{
 | 
						|
		HTTP: th.BuildConfiguration(
 | 
						|
			th.WithRouters(th.WithRouter("bad", th.WithEntryPoints("ep"))),
 | 
						|
			th.WithLoadBalancerServices(th.WithService("bad")),
 | 
						|
		),
 | 
						|
	}
 | 
						|
 | 
						|
	// The transient configuration is sent alternatively with the configuration we want to be applied.
 | 
						|
	// It is intended to show that even if the configurations are different,
 | 
						|
	// those transient configurations will be ignored if they are sent in a time frame
 | 
						|
	// lower than the provider throttle duration.
 | 
						|
	pvd := &mockProvider{
 | 
						|
		wait:             1 * time.Microsecond, // Enqueue them fast
 | 
						|
		throttleDuration: time.Millisecond,
 | 
						|
		first:            make(chan struct{}),
 | 
						|
		messages: []dynamic.Message{
 | 
						|
			{ProviderName: "mock", Configuration: configuration},
 | 
						|
			{ProviderName: "mock", Configuration: transientConfiguration},
 | 
						|
			{ProviderName: "mock", Configuration: configuration},
 | 
						|
			{ProviderName: "mock", Configuration: transientConfiguration},
 | 
						|
			{ProviderName: "mock", Configuration: configuration},
 | 
						|
		},
 | 
						|
	}
 | 
						|
 | 
						|
	providerAggregator := &aggregator.ProviderAggregator{}
 | 
						|
	err := providerAggregator.AddProvider(pvd)
 | 
						|
	assert.NoError(t, err)
 | 
						|
 | 
						|
	watcher := NewConfigurationWatcher(routinesPool, providerAggregator, []string{}, "")
 | 
						|
 | 
						|
	var configurationReloads int
 | 
						|
	var lastConfig dynamic.Configuration
 | 
						|
	var once sync.Once
 | 
						|
	watcher.AddListener(func(conf dynamic.Configuration) {
 | 
						|
		configurationReloads++
 | 
						|
		lastConfig = conf
 | 
						|
 | 
						|
		// Allows next configurations to be sent by the mock provider as soon as the first configuration message is applied.
 | 
						|
		once.Do(func() {
 | 
						|
			pvd.first <- struct{}{}
 | 
						|
			// Wait for all configuration messages to pile in
 | 
						|
			time.Sleep(5 * time.Millisecond)
 | 
						|
		})
 | 
						|
	})
 | 
						|
 | 
						|
	watcher.Start()
 | 
						|
 | 
						|
	t.Cleanup(watcher.Stop)
 | 
						|
	t.Cleanup(routinesPool.Stop)
 | 
						|
 | 
						|
	// Wait long enough
 | 
						|
	time.Sleep(50 * time.Millisecond)
 | 
						|
 | 
						|
	expected := dynamic.Configuration{
 | 
						|
		HTTP: th.BuildConfiguration(
 | 
						|
			th.WithRouters(th.WithRouter("foo@mock", th.WithEntryPoints("ep"))),
 | 
						|
			th.WithLoadBalancerServices(th.WithService("bar@mock")),
 | 
						|
			th.WithMiddlewares(),
 | 
						|
		),
 | 
						|
		TCP: &dynamic.TCPConfiguration{
 | 
						|
			Routers:     map[string]*dynamic.TCPRouter{},
 | 
						|
			Middlewares: map[string]*dynamic.TCPMiddleware{},
 | 
						|
			Services:    map[string]*dynamic.TCPService{},
 | 
						|
		},
 | 
						|
		UDP: &dynamic.UDPConfiguration{
 | 
						|
			Routers:  map[string]*dynamic.UDPRouter{},
 | 
						|
			Services: map[string]*dynamic.UDPService{},
 | 
						|
		},
 | 
						|
		TLS: &dynamic.TLSConfiguration{
 | 
						|
			Options: map[string]tls.Options{
 | 
						|
				"default": tls.DefaultTLSOptions,
 | 
						|
			},
 | 
						|
			Stores: map[string]tls.Store{},
 | 
						|
		},
 | 
						|
	}
 | 
						|
 | 
						|
	assert.Equal(t, expected, lastConfig)
 | 
						|
 | 
						|
	assert.Equal(t, 1, configurationReloads)
 | 
						|
}
 | 
						|
 | 
						|
func TestApplyConfigUnderStress(t *testing.T) {
 | 
						|
	routinesPool := safe.NewPool(context.Background())
 | 
						|
 | 
						|
	watcher := NewConfigurationWatcher(routinesPool, &mockProvider{}, []string{}, "")
 | 
						|
 | 
						|
	routinesPool.GoCtx(func(ctx context.Context) {
 | 
						|
		i := 0
 | 
						|
		for {
 | 
						|
			select {
 | 
						|
			case <-ctx.Done():
 | 
						|
				return
 | 
						|
			case watcher.allProvidersConfigs <- dynamic.Message{ProviderName: "mock", Configuration: &dynamic.Configuration{
 | 
						|
				HTTP: th.BuildConfiguration(
 | 
						|
					th.WithRouters(th.WithRouter("foo"+strconv.Itoa(i), th.WithEntryPoints("ep"))),
 | 
						|
					th.WithLoadBalancerServices(th.WithService("bar")),
 | 
						|
				),
 | 
						|
			}}:
 | 
						|
			}
 | 
						|
			i++
 | 
						|
		}
 | 
						|
	})
 | 
						|
 | 
						|
	var configurationReloads int
 | 
						|
	watcher.AddListener(func(conf dynamic.Configuration) {
 | 
						|
		configurationReloads++
 | 
						|
	})
 | 
						|
 | 
						|
	watcher.Start()
 | 
						|
 | 
						|
	t.Cleanup(watcher.Stop)
 | 
						|
	t.Cleanup(routinesPool.Stop)
 | 
						|
 | 
						|
	time.Sleep(100 * time.Millisecond)
 | 
						|
 | 
						|
	// Ensure that at least two configurations have been applied
 | 
						|
	// if we simulate being spammed configuration changes by the provider(s).
 | 
						|
	// In theory, checking at least one would be sufficient,
 | 
						|
	// but checking for two also ensures that we're looping properly,
 | 
						|
	// and that the whole algo holds, etc.
 | 
						|
	t.Log(configurationReloads)
 | 
						|
	assert.GreaterOrEqual(t, configurationReloads, 2)
 | 
						|
}
 | 
						|
 | 
						|
func TestListenProvidersIgnoreIntermediateConfigs(t *testing.T) {
 | 
						|
	routinesPool := safe.NewPool(context.Background())
 | 
						|
 | 
						|
	configuration := &dynamic.Configuration{
 | 
						|
		HTTP: th.BuildConfiguration(
 | 
						|
			th.WithRouters(th.WithRouter("foo", th.WithEntryPoints("ep"))),
 | 
						|
			th.WithLoadBalancerServices(th.WithService("bar")),
 | 
						|
		),
 | 
						|
	}
 | 
						|
 | 
						|
	transientConfiguration := &dynamic.Configuration{
 | 
						|
		HTTP: th.BuildConfiguration(
 | 
						|
			th.WithRouters(th.WithRouter("bad", th.WithEntryPoints("ep"))),
 | 
						|
			th.WithLoadBalancerServices(th.WithService("bad")),
 | 
						|
		),
 | 
						|
	}
 | 
						|
 | 
						|
	transientConfiguration2 := &dynamic.Configuration{
 | 
						|
		HTTP: th.BuildConfiguration(
 | 
						|
			th.WithRouters(th.WithRouter("bad2", th.WithEntryPoints("ep"))),
 | 
						|
			th.WithLoadBalancerServices(th.WithService("bad2")),
 | 
						|
		),
 | 
						|
	}
 | 
						|
 | 
						|
	finalConfiguration := &dynamic.Configuration{
 | 
						|
		HTTP: th.BuildConfiguration(
 | 
						|
			th.WithRouters(th.WithRouter("final", th.WithEntryPoints("ep"))),
 | 
						|
			th.WithLoadBalancerServices(th.WithService("final")),
 | 
						|
		),
 | 
						|
	}
 | 
						|
 | 
						|
	pvd := &mockProvider{
 | 
						|
		wait:             10 * time.Microsecond, // Enqueue them fast
 | 
						|
		throttleDuration: 10 * time.Millisecond,
 | 
						|
		messages: []dynamic.Message{
 | 
						|
			{ProviderName: "mock", Configuration: configuration},
 | 
						|
			{ProviderName: "mock", Configuration: transientConfiguration},
 | 
						|
			{ProviderName: "mock", Configuration: transientConfiguration2},
 | 
						|
			{ProviderName: "mock", Configuration: finalConfiguration},
 | 
						|
		},
 | 
						|
	}
 | 
						|
 | 
						|
	providerAggregator := &aggregator.ProviderAggregator{}
 | 
						|
	err := providerAggregator.AddProvider(pvd)
 | 
						|
	assert.NoError(t, err)
 | 
						|
 | 
						|
	watcher := NewConfigurationWatcher(routinesPool, providerAggregator, []string{}, "")
 | 
						|
 | 
						|
	var configurationReloads int
 | 
						|
	var lastConfig dynamic.Configuration
 | 
						|
	watcher.AddListener(func(conf dynamic.Configuration) {
 | 
						|
		configurationReloads++
 | 
						|
		lastConfig = conf
 | 
						|
	})
 | 
						|
 | 
						|
	watcher.Start()
 | 
						|
 | 
						|
	t.Cleanup(watcher.Stop)
 | 
						|
	t.Cleanup(routinesPool.Stop)
 | 
						|
 | 
						|
	// Wait long enough
 | 
						|
	time.Sleep(500 * time.Millisecond)
 | 
						|
 | 
						|
	expected := dynamic.Configuration{
 | 
						|
		HTTP: th.BuildConfiguration(
 | 
						|
			th.WithRouters(th.WithRouter("final@mock", th.WithEntryPoints("ep"))),
 | 
						|
			th.WithLoadBalancerServices(th.WithService("final@mock")),
 | 
						|
			th.WithMiddlewares(),
 | 
						|
		),
 | 
						|
		TCP: &dynamic.TCPConfiguration{
 | 
						|
			Routers:     map[string]*dynamic.TCPRouter{},
 | 
						|
			Middlewares: map[string]*dynamic.TCPMiddleware{},
 | 
						|
			Services:    map[string]*dynamic.TCPService{},
 | 
						|
		},
 | 
						|
		UDP: &dynamic.UDPConfiguration{
 | 
						|
			Routers:  map[string]*dynamic.UDPRouter{},
 | 
						|
			Services: map[string]*dynamic.UDPService{},
 | 
						|
		},
 | 
						|
		TLS: &dynamic.TLSConfiguration{
 | 
						|
			Options: map[string]tls.Options{
 | 
						|
				"default": tls.DefaultTLSOptions,
 | 
						|
			},
 | 
						|
			Stores: map[string]tls.Store{},
 | 
						|
		},
 | 
						|
	}
 | 
						|
 | 
						|
	assert.Equal(t, expected, lastConfig)
 | 
						|
 | 
						|
	assert.Equal(t, 2, configurationReloads)
 | 
						|
}
 | 
						|
 | 
						|
func TestListenProvidersPublishesConfigForEachProvider(t *testing.T) {
 | 
						|
	routinesPool := safe.NewPool(context.Background())
 | 
						|
 | 
						|
	configuration := &dynamic.Configuration{
 | 
						|
		HTTP: th.BuildConfiguration(
 | 
						|
			th.WithRouters(th.WithRouter("foo", th.WithEntryPoints("ep"))),
 | 
						|
			th.WithLoadBalancerServices(th.WithService("bar")),
 | 
						|
		),
 | 
						|
	}
 | 
						|
 | 
						|
	pvd := &mockProvider{
 | 
						|
		messages: []dynamic.Message{
 | 
						|
			{ProviderName: "mock", Configuration: configuration},
 | 
						|
			{ProviderName: "mock2", Configuration: configuration},
 | 
						|
		},
 | 
						|
	}
 | 
						|
 | 
						|
	watcher := NewConfigurationWatcher(routinesPool, pvd, []string{}, "")
 | 
						|
 | 
						|
	var publishedProviderConfig dynamic.Configuration
 | 
						|
 | 
						|
	watcher.AddListener(func(conf dynamic.Configuration) {
 | 
						|
		publishedProviderConfig = conf
 | 
						|
	})
 | 
						|
 | 
						|
	watcher.Start()
 | 
						|
 | 
						|
	t.Cleanup(watcher.Stop)
 | 
						|
	t.Cleanup(routinesPool.Stop)
 | 
						|
 | 
						|
	// give some time so that the configuration can be processed
 | 
						|
	time.Sleep(100 * time.Millisecond)
 | 
						|
 | 
						|
	expected := dynamic.Configuration{
 | 
						|
		HTTP: th.BuildConfiguration(
 | 
						|
			th.WithRouters(
 | 
						|
				th.WithRouter("foo@mock", th.WithEntryPoints("ep")),
 | 
						|
				th.WithRouter("foo@mock2", th.WithEntryPoints("ep")),
 | 
						|
			),
 | 
						|
			th.WithLoadBalancerServices(
 | 
						|
				th.WithService("bar@mock"),
 | 
						|
				th.WithService("bar@mock2"),
 | 
						|
			),
 | 
						|
			th.WithMiddlewares(),
 | 
						|
		),
 | 
						|
		TCP: &dynamic.TCPConfiguration{
 | 
						|
			Routers:     map[string]*dynamic.TCPRouter{},
 | 
						|
			Middlewares: map[string]*dynamic.TCPMiddleware{},
 | 
						|
			Services:    map[string]*dynamic.TCPService{},
 | 
						|
		},
 | 
						|
		TLS: &dynamic.TLSConfiguration{
 | 
						|
			Options: map[string]tls.Options{
 | 
						|
				"default": tls.DefaultTLSOptions,
 | 
						|
			},
 | 
						|
			Stores: map[string]tls.Store{},
 | 
						|
		},
 | 
						|
		UDP: &dynamic.UDPConfiguration{
 | 
						|
			Routers:  map[string]*dynamic.UDPRouter{},
 | 
						|
			Services: map[string]*dynamic.UDPService{},
 | 
						|
		},
 | 
						|
	}
 | 
						|
 | 
						|
	assert.Equal(t, expected, publishedProviderConfig)
 | 
						|
}
 | 
						|
 | 
						|
func TestPublishConfigUpdatedByProvider(t *testing.T) {
 | 
						|
	routinesPool := safe.NewPool(context.Background())
 | 
						|
 | 
						|
	pvdConfiguration := dynamic.Configuration{
 | 
						|
		TCP: &dynamic.TCPConfiguration{
 | 
						|
			Routers: map[string]*dynamic.TCPRouter{
 | 
						|
				"foo": {},
 | 
						|
			},
 | 
						|
		},
 | 
						|
	}
 | 
						|
 | 
						|
	pvd := &mockProvider{
 | 
						|
		wait: 10 * time.Millisecond,
 | 
						|
		messages: []dynamic.Message{
 | 
						|
			{
 | 
						|
				ProviderName:  "mock",
 | 
						|
				Configuration: &pvdConfiguration,
 | 
						|
			},
 | 
						|
			{
 | 
						|
				ProviderName:  "mock",
 | 
						|
				Configuration: &pvdConfiguration,
 | 
						|
			},
 | 
						|
		},
 | 
						|
	}
 | 
						|
 | 
						|
	watcher := NewConfigurationWatcher(routinesPool, pvd, []string{}, "")
 | 
						|
 | 
						|
	publishedConfigCount := 0
 | 
						|
	watcher.AddListener(func(configuration dynamic.Configuration) {
 | 
						|
		publishedConfigCount++
 | 
						|
 | 
						|
		// Update the provider configuration published in next dynamic Message which should trigger a new publishing.
 | 
						|
		pvdConfiguration.TCP.Routers["bar"] = &dynamic.TCPRouter{}
 | 
						|
	})
 | 
						|
 | 
						|
	watcher.Start()
 | 
						|
 | 
						|
	t.Cleanup(watcher.Stop)
 | 
						|
	t.Cleanup(routinesPool.Stop)
 | 
						|
 | 
						|
	// give some time so that the configuration can be processed.
 | 
						|
	time.Sleep(100 * time.Millisecond)
 | 
						|
 | 
						|
	assert.Equal(t, 2, publishedConfigCount)
 | 
						|
}
 | 
						|
 | 
						|
func TestPublishConfigUpdatedByConfigWatcherListener(t *testing.T) {
 | 
						|
	routinesPool := safe.NewPool(context.Background())
 | 
						|
 | 
						|
	pvd := &mockProvider{
 | 
						|
		wait: 10 * time.Millisecond,
 | 
						|
		messages: []dynamic.Message{
 | 
						|
			{
 | 
						|
				ProviderName: "mock",
 | 
						|
				Configuration: &dynamic.Configuration{
 | 
						|
					TCP: &dynamic.TCPConfiguration{
 | 
						|
						Routers: map[string]*dynamic.TCPRouter{
 | 
						|
							"foo": {},
 | 
						|
						},
 | 
						|
					},
 | 
						|
				},
 | 
						|
			},
 | 
						|
			{
 | 
						|
				ProviderName: "mock",
 | 
						|
				Configuration: &dynamic.Configuration{
 | 
						|
					TCP: &dynamic.TCPConfiguration{
 | 
						|
						Routers: map[string]*dynamic.TCPRouter{
 | 
						|
							"foo": {},
 | 
						|
						},
 | 
						|
					},
 | 
						|
				},
 | 
						|
			},
 | 
						|
		},
 | 
						|
	}
 | 
						|
 | 
						|
	watcher := NewConfigurationWatcher(routinesPool, pvd, []string{}, "")
 | 
						|
 | 
						|
	publishedConfigCount := 0
 | 
						|
	watcher.AddListener(func(configuration dynamic.Configuration) {
 | 
						|
		publishedConfigCount++
 | 
						|
 | 
						|
		// Modify the provided configuration.
 | 
						|
		// This should not modify the configuration stored in the configuration watcher and therefore there will be no new publishing.
 | 
						|
		configuration.TCP.Routers["foo@mock"].Rule = "bar"
 | 
						|
	})
 | 
						|
 | 
						|
	watcher.Start()
 | 
						|
 | 
						|
	t.Cleanup(watcher.Stop)
 | 
						|
	t.Cleanup(routinesPool.Stop)
 | 
						|
 | 
						|
	// give some time so that the configuration can be processed.
 | 
						|
	time.Sleep(100 * time.Millisecond)
 | 
						|
 | 
						|
	assert.Equal(t, 1, publishedConfigCount)
 | 
						|
}
 |