traefik/integration/consul_test.go

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package main
import (
"context"
"fmt"
"net/http"
"os"
"os/exec"
"sync"
"time"
"github.com/containous/staert"
"github.com/containous/traefik/cluster"
"github.com/containous/traefik/integration/try"
"github.com/containous/traefik/provider"
"github.com/docker/libkv"
"github.com/docker/libkv/store"
"github.com/docker/libkv/store/consul"
"github.com/go-check/check"
checker "github.com/vdemeester/shakers"
)
// Consul test suites (using libcompose)
type ConsulSuite struct {
BaseSuite
kv store.Store
}
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func (s *ConsulSuite) setupConsul(c *check.C) {
s.createComposeProject(c, "consul")
s.composeProject.Start(c)
consul.Register()
kv, err := libkv.NewStore(
store.CONSUL,
[]string{s.composeProject.Container(c, "consul").NetworkSettings.IPAddress + ":8500"},
&store.Config{
ConnectionTimeout: 10 * time.Second,
},
)
if err != nil {
c.Fatal("Cannot create store consul")
}
s.kv = kv
// wait for consul
err = try.Do(60*time.Second, try.KVExists(kv, "test"))
c.Assert(err, checker.IsNil)
}
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func (s *ConsulSuite) setupConsulTLS(c *check.C) {
s.createComposeProject(c, "consul_tls")
s.composeProject.Start(c)
consul.Register()
clientTLS := &provider.ClientTLS{
CA: "resources/tls/ca.cert",
Cert: "resources/tls/consul.cert",
Key: "resources/tls/consul.key",
InsecureSkipVerify: true,
}
TLSConfig, err := clientTLS.CreateTLSConfig()
c.Assert(err, checker.IsNil)
kv, err := libkv.NewStore(
store.CONSUL,
[]string{s.composeProject.Container(c, "consul").NetworkSettings.IPAddress + ":8585"},
&store.Config{
ConnectionTimeout: 10 * time.Second,
TLS: TLSConfig,
},
)
if err != nil {
c.Fatal("Cannot create store consul")
}
s.kv = kv
// wait for consul
err = try.Do(60*time.Second, try.KVExists(kv, "test"))
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c.Assert(err, checker.IsNil)
}
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func (s *ConsulSuite) TearDownTest(c *check.C) {
// shutdown and delete compose project
if s.composeProject != nil {
s.composeProject.Stop(c)
}
}
func (s *ConsulSuite) TearDownSuite(c *check.C) {}
func (s *ConsulSuite) TestSimpleConfiguration(c *check.C) {
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s.setupConsul(c)
consulHost := s.composeProject.Container(c, "consul").NetworkSettings.IPAddress
file := s.adaptFile(c, "fixtures/consul/simple.toml", struct{ ConsulHost string }{consulHost})
defer os.Remove(file)
cmd := exec.Command(traefikBinary, "--configFile="+file)
err := cmd.Start()
c.Assert(err, checker.IsNil)
defer cmd.Process.Kill()
// Expected a 404 as we did not configure anything
err = try.GetRequest("http://127.0.0.1:8000/", 1*time.Second, try.StatusCodeIs(http.StatusNotFound))
c.Assert(err, checker.IsNil)
}
func (s *ConsulSuite) TestNominalConfiguration(c *check.C) {
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s.setupConsul(c)
consulHost := s.composeProject.Container(c, "consul").NetworkSettings.IPAddress
file := s.adaptFile(c, "fixtures/consul/simple.toml", struct{ ConsulHost string }{consulHost})
defer os.Remove(file)
cmd := exec.Command(traefikBinary, "--configFile="+file)
err := cmd.Start()
c.Assert(err, checker.IsNil)
defer cmd.Process.Kill()
whoami1IP := s.composeProject.Container(c, "whoami1").NetworkSettings.IPAddress
whoami2IP := s.composeProject.Container(c, "whoami2").NetworkSettings.IPAddress
whoami3IP := s.composeProject.Container(c, "whoami3").NetworkSettings.IPAddress
whoami4IP := s.composeProject.Container(c, "whoami4").NetworkSettings.IPAddress
backend1 := map[string]string{
"traefik/backends/backend1/circuitbreaker/expression": "NetworkErrorRatio() > 0.5",
"traefik/backends/backend1/servers/server1/url": "http://" + whoami1IP + ":80",
"traefik/backends/backend1/servers/server1/weight": "10",
"traefik/backends/backend1/servers/server2/url": "http://" + whoami2IP + ":80",
"traefik/backends/backend1/servers/server2/weight": "1",
}
backend2 := map[string]string{
"traefik/backends/backend2/loadbalancer/method": "drr",
"traefik/backends/backend2/servers/server1/url": "http://" + whoami3IP + ":80",
"traefik/backends/backend2/servers/server1/weight": "1",
"traefik/backends/backend2/servers/server2/url": "http://" + whoami4IP + ":80",
"traefik/backends/backend2/servers/server2/weight": "2",
}
frontend1 := map[string]string{
"traefik/frontends/frontend1/backend": "backend2",
"traefik/frontends/frontend1/entrypoints": "http",
"traefik/frontends/frontend1/priority": "1",
"traefik/frontends/frontend1/routes/test_1/rule": "Host:test.localhost",
}
frontend2 := map[string]string{
"traefik/frontends/frontend2/backend": "backend1",
"traefik/frontends/frontend2/entrypoints": "http",
"traefik/frontends/frontend2/priority": "10",
"traefik/frontends/frontend2/routes/test_2/rule": "Path:/test",
}
for key, value := range backend1 {
err := s.kv.Put(key, []byte(value), nil)
c.Assert(err, checker.IsNil)
}
for key, value := range backend2 {
err := s.kv.Put(key, []byte(value), nil)
c.Assert(err, checker.IsNil)
}
for key, value := range frontend1 {
err := s.kv.Put(key, []byte(value), nil)
c.Assert(err, checker.IsNil)
}
for key, value := range frontend2 {
err := s.kv.Put(key, []byte(value), nil)
c.Assert(err, checker.IsNil)
}
// wait for consul
err = try.Do(60*time.Second, try.KVExists(s.kv, "traefik/frontends/frontend2/routes/test_2/rule"))
c.Assert(err, checker.IsNil)
// wait for traefik
err = try.GetRequest("http://127.0.0.1:8081/api/providers", 60*time.Second, try.BodyContains("Path:/test"))
c.Assert(err, checker.IsNil)
req, err := http.NewRequest(http.MethodGet, "http://127.0.0.1:8000/", nil)
c.Assert(err, checker.IsNil)
req.Host = "test.localhost"
err = try.Request(req, 500*time.Millisecond,
try.StatusCodeIs(200),
try.BodyContainsOr(whoami3IP, whoami4IP))
c.Assert(err, checker.IsNil)
req, err = http.NewRequest(http.MethodGet, "http://127.0.0.1:8000/test", nil)
c.Assert(err, checker.IsNil)
err = try.Request(req, 500*time.Millisecond,
try.StatusCodeIs(200),
try.BodyContainsOr(whoami1IP, whoami2IP))
c.Assert(err, checker.IsNil)
req, err = http.NewRequest(http.MethodGet, "http://127.0.0.1:8000/test2", nil)
try.Request(req, 500*time.Millisecond, try.StatusCodeIs(http.StatusNotFound))
c.Assert(err, checker.IsNil)
req, err = http.NewRequest(http.MethodGet, "http://127.0.0.1:8000/", nil)
req.Host = "test2.localhost"
try.Request(req, 500*time.Millisecond, try.StatusCodeIs(http.StatusNotFound))
c.Assert(err, checker.IsNil)
}
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func (s *ConsulSuite) TestGlobalConfiguration(c *check.C) {
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s.setupConsul(c)
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consulHost := s.composeProject.Container(c, "consul").NetworkSettings.IPAddress
err := s.kv.Put("traefik/entrypoints/http/address", []byte(":8001"), nil)
c.Assert(err, checker.IsNil)
// wait for consul
err = try.Do(60*time.Second, try.KVExists(s.kv, "traefik/entrypoints/http/address"))
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c.Assert(err, checker.IsNil)
// start traefik
cmd := exec.Command(traefikBinary, "--configFile=fixtures/simple_web.toml", "--consul", "--consul.endpoint="+consulHost+":8500")
err = cmd.Start()
c.Assert(err, checker.IsNil)
defer cmd.Process.Kill()
whoami1IP := s.composeProject.Container(c, "whoami1").NetworkSettings.IPAddress
whoami2IP := s.composeProject.Container(c, "whoami2").NetworkSettings.IPAddress
whoami3IP := s.composeProject.Container(c, "whoami3").NetworkSettings.IPAddress
whoami4IP := s.composeProject.Container(c, "whoami4").NetworkSettings.IPAddress
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backend1 := map[string]string{
"traefik/backends/backend1/circuitbreaker/expression": "NetworkErrorRatio() > 0.5",
"traefik/backends/backend1/servers/server1/url": "http://" + whoami1IP + ":80",
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"traefik/backends/backend1/servers/server1/weight": "10",
"traefik/backends/backend1/servers/server2/url": "http://" + whoami2IP + ":80",
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"traefik/backends/backend1/servers/server2/weight": "1",
}
backend2 := map[string]string{
"traefik/backends/backend2/loadbalancer/method": "drr",
"traefik/backends/backend2/servers/server1/url": "http://" + whoami3IP + ":80",
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"traefik/backends/backend2/servers/server1/weight": "1",
"traefik/backends/backend2/servers/server2/url": "http://" + whoami4IP + ":80",
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"traefik/backends/backend2/servers/server2/weight": "2",
}
frontend1 := map[string]string{
"traefik/frontends/frontend1/backend": "backend2",
"traefik/frontends/frontend1/entrypoints": "http",
"traefik/frontends/frontend1/priority": "1",
"traefik/frontends/frontend1/routes/test_1/rule": "Host:test.localhost",
}
frontend2 := map[string]string{
"traefik/frontends/frontend2/backend": "backend1",
"traefik/frontends/frontend2/entrypoints": "http",
"traefik/frontends/frontend2/priority": "10",
"traefik/frontends/frontend2/routes/test_2/rule": "Path:/test",
}
for key, value := range backend1 {
err := s.kv.Put(key, []byte(value), nil)
c.Assert(err, checker.IsNil)
}
for key, value := range backend2 {
err := s.kv.Put(key, []byte(value), nil)
c.Assert(err, checker.IsNil)
}
for key, value := range frontend1 {
err := s.kv.Put(key, []byte(value), nil)
c.Assert(err, checker.IsNil)
}
for key, value := range frontend2 {
err := s.kv.Put(key, []byte(value), nil)
c.Assert(err, checker.IsNil)
}
// wait for consul
err = try.Do(60*time.Second, try.KVExists(s.kv, "traefik/frontends/frontend2/routes/test_2/rule"))
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c.Assert(err, checker.IsNil)
// wait for traefik
err = try.GetRequest("http://127.0.0.1:8080/api/providers", 60*time.Second, try.BodyContains("Path:/test"))
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c.Assert(err, checker.IsNil)
//check
req, err := http.NewRequest(http.MethodGet, "http://127.0.0.1:8001/", nil)
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c.Assert(err, checker.IsNil)
req.Host = "test.localhost"
err = try.Request(req, 500*time.Millisecond, try.StatusCodeIs(http.StatusOK))
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c.Assert(err, checker.IsNil)
}
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func (s *ConsulSuite) skipTestGlobalConfigurationWithClientTLS(c *check.C) {
c.Skip("wait for relative path issue in the composefile")
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s.setupConsulTLS(c)
consulHost := s.composeProject.Container(c, "consul").NetworkSettings.IPAddress
err := s.kv.Put("traefik/web/address", []byte(":8081"), nil)
c.Assert(err, checker.IsNil)
// wait for consul
err = try.Do(60*time.Second, try.KVExists(s.kv, "traefik/web/address"))
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c.Assert(err, checker.IsNil)
// start traefik
cmd := exec.Command(traefikBinary, "--configFile=fixtures/simple_web.toml",
"--consul", "--consul.endpoint="+consulHost+":8585",
"--consul.tls.ca=resources/tls/ca.cert",
"--consul.tls.cert=resources/tls/consul.cert",
"--consul.tls.key=resources/tls/consul.key",
"--consul.tls.insecureskipverify")
err = cmd.Start()
c.Assert(err, checker.IsNil)
defer cmd.Process.Kill()
// wait for traefik
err = try.GetRequest("http://127.0.0.1:8081/api/providers", 60*time.Second)
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c.Assert(err, checker.IsNil)
}
func (s *ConsulSuite) TestCommandStoreConfig(c *check.C) {
s.setupConsul(c)
consulHost := s.composeProject.Container(c, "consul").NetworkSettings.IPAddress
cmd := exec.Command(traefikBinary,
"storeconfig",
"--configFile=fixtures/simple_web.toml",
"--consul.endpoint="+consulHost+":8500")
err := cmd.Start()
c.Assert(err, checker.IsNil)
// wait for traefik finish without error
cmd.Wait()
//CHECK
checkmap := map[string]string{
"/traefik/loglevel": "DEBUG",
"/traefik/defaultentrypoints/0": "http",
"/traefik/entrypoints/http/address": ":8000",
"/traefik/web/address": ":8080",
"/traefik/consul/endpoint": consulHost + ":8500",
}
for key, value := range checkmap {
var p *store.KVPair
err = try.Do(60*time.Second, func() error {
p, err = s.kv.Get(key)
return err
})
c.Assert(err, checker.IsNil)
c.Assert(string(p.Value), checker.Equals, value)
}
}
type TestStruct struct {
String string
Int int
}
func (s *ConsulSuite) TestDatastore(c *check.C) {
s.setupConsul(c)
consulHost := s.composeProject.Container(c, "consul").NetworkSettings.IPAddress
kvSource, err := staert.NewKvSource(store.CONSUL, []string{consulHost + ":8500"}, &store.Config{
ConnectionTimeout: 10 * time.Second,
}, "traefik")
c.Assert(err, checker.IsNil)
ctx := context.Background()
datastore1, err := cluster.NewDataStore(ctx, *kvSource, &TestStruct{}, nil)
c.Assert(err, checker.IsNil)
datastore2, err := cluster.NewDataStore(ctx, *kvSource, &TestStruct{}, nil)
c.Assert(err, checker.IsNil)
setter1, _, err := datastore1.Begin()
c.Assert(err, checker.IsNil)
err = setter1.Commit(&TestStruct{
String: "foo",
Int: 1,
})
c.Assert(err, checker.IsNil)
err = try.Do(3*time.Second, datastoreContains(datastore1, "foo"))
c.Assert(err, checker.IsNil)
err = try.Do(3*time.Second, datastoreContains(datastore2, "foo"))
c.Assert(err, checker.IsNil)
setter2, _, err := datastore2.Begin()
c.Assert(err, checker.IsNil)
err = setter2.Commit(&TestStruct{
String: "bar",
Int: 2,
})
c.Assert(err, checker.IsNil)
err = try.Do(3*time.Second, datastoreContains(datastore1, "bar"))
c.Assert(err, checker.IsNil)
err = try.Do(3*time.Second, datastoreContains(datastore2, "bar"))
c.Assert(err, checker.IsNil)
wg := &sync.WaitGroup{}
wg.Add(4)
go func() {
for i := 0; i < 100; i++ {
setter1, _, err := datastore1.Begin()
c.Assert(err, checker.IsNil)
err = setter1.Commit(&TestStruct{
String: "datastore1",
Int: i,
})
c.Assert(err, checker.IsNil)
}
wg.Done()
}()
go func() {
for i := 0; i < 100; i++ {
setter2, _, err := datastore2.Begin()
c.Assert(err, checker.IsNil)
err = setter2.Commit(&TestStruct{
String: "datastore2",
Int: i,
})
c.Assert(err, checker.IsNil)
}
wg.Done()
}()
go func() {
for i := 0; i < 100; i++ {
test1 := datastore1.Get().(*TestStruct)
c.Assert(test1, checker.NotNil)
}
wg.Done()
}()
go func() {
for i := 0; i < 100; i++ {
test2 := datastore2.Get().(*TestStruct)
c.Assert(test2, checker.NotNil)
}
wg.Done()
}()
wg.Wait()
}
func datastoreContains(datastore *cluster.Datastore, expectedValue string) func() error {
return func() error {
kvStruct := datastore.Get().(*TestStruct)
if kvStruct.String != expectedValue {
return fmt.Errorf("Got %s, wanted %s", kvStruct.String, expectedValue)
}
return nil
}
}