traefik/integration/etcd_test.go

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package main
import (
"github.com/go-check/check"
"net/http"
"os/exec"
"time"
checker "github.com/vdemeester/shakers"
"crypto/tls"
"errors"
"fmt"
"github.com/containous/traefik/integration/utils"
"github.com/docker/libkv"
"github.com/docker/libkv/store"
"github.com/docker/libkv/store/etcd"
"io/ioutil"
"os"
"strings"
)
// Etcd test suites (using libcompose)
type EtcdSuite struct {
BaseSuite
kv store.Store
}
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func (s *EtcdSuite) SetUpTest(c *check.C) {
s.createComposeProject(c, "etcd")
s.composeProject.Start(c)
etcd.Register()
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url := s.composeProject.Container(c, "etcd").NetworkSettings.IPAddress + ":2379"
kv, err := libkv.NewStore(
store.ETCD,
[]string{url},
&store.Config{
ConnectionTimeout: 10 * time.Second,
},
)
if err != nil {
c.Fatal("Cannot create store etcd")
}
s.kv = kv
// wait for etcd
err = utils.Try(60*time.Second, func() error {
_, err := kv.Exists("test")
if err != nil {
return fmt.Errorf("Etcd connection error to %s: %v", url, err)
}
return nil
})
c.Assert(err, checker.IsNil)
}
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func (s *EtcdSuite) TearDownTest(c *check.C) {
// shutdown and delete compose project
if s.composeProject != nil {
s.composeProject.Stop(c)
}
}
func (s *EtcdSuite) TearDownSuite(c *check.C) {}
func (s *EtcdSuite) TestSimpleConfiguration(c *check.C) {
etcdHost := s.composeProject.Container(c, "etcd").NetworkSettings.IPAddress
file := s.adaptFile(c, "fixtures/etcd/simple.toml", struct{ EtcdHost string }{etcdHost})
defer os.Remove(file)
cmd := exec.Command(traefikBinary, "--configFile="+file)
err := cmd.Start()
c.Assert(err, checker.IsNil)
defer cmd.Process.Kill()
time.Sleep(1000 * time.Millisecond)
// TODO validate : run on 80
resp, err := http.Get("http://127.0.0.1:8000/")
// Expected a 404 as we did not configure anything
c.Assert(err, checker.IsNil)
c.Assert(resp.StatusCode, checker.Equals, 404)
}
func (s *EtcdSuite) TestNominalConfiguration(c *check.C) {
etcdHost := s.composeProject.Container(c, "etcd").NetworkSettings.IPAddress
file := s.adaptFile(c, "fixtures/etcd/simple.toml", struct{ EtcdHost string }{etcdHost})
defer os.Remove(file)
cmd := exec.Command(traefikBinary, "--configFile="+file)
err := cmd.Start()
c.Assert(err, checker.IsNil)
defer cmd.Process.Kill()
whoami1 := s.composeProject.Container(c, "whoami1")
whoami2 := s.composeProject.Container(c, "whoami2")
whoami3 := s.composeProject.Container(c, "whoami3")
whoami4 := s.composeProject.Container(c, "whoami4")
backend1 := map[string]string{
"/traefik/backends/backend1/circuitbreaker/expression": "NetworkErrorRatio() > 0.5",
"/traefik/backends/backend1/servers/server1/url": "http://" + whoami1.NetworkSettings.IPAddress + ":80",
"/traefik/backends/backend1/servers/server1/weight": "10",
"/traefik/backends/backend1/servers/server2/url": "http://" + whoami2.NetworkSettings.IPAddress + ":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://" + whoami3.NetworkSettings.IPAddress + ":80",
"/traefik/backends/backend2/servers/server1/weight": "1",
"/traefik/backends/backend2/servers/server2/url": "http://" + whoami4.NetworkSettings.IPAddress + ":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 etcd
err = utils.Try(60*time.Second, func() error {
_, err := s.kv.Exists("/traefik/frontends/frontend2/routes/test_2/rule")
if err != nil {
return err
}
return nil
})
c.Assert(err, checker.IsNil)
// wait for traefik
err = utils.TryRequest("http://127.0.0.1:8081/api/providers", 60*time.Second, func(res *http.Response) error {
body, err := ioutil.ReadAll(res.Body)
if err != nil {
return err
}
if !strings.Contains(string(body), "Path:/test") {
return errors.New("Incorrect traefik config")
}
return nil
})
c.Assert(err, checker.IsNil)
client := &http.Client{}
req, err := http.NewRequest("GET", "http://127.0.0.1:8000/", nil)
c.Assert(err, checker.IsNil)
req.Host = "test.localhost"
response, err := client.Do(req)
c.Assert(err, checker.IsNil)
c.Assert(response.StatusCode, checker.Equals, 200)
body, err := ioutil.ReadAll(response.Body)
c.Assert(err, checker.IsNil)
if !strings.Contains(string(body), whoami3.NetworkSettings.IPAddress) &&
!strings.Contains(string(body), whoami4.NetworkSettings.IPAddress) {
c.Fail()
}
req, err = http.NewRequest("GET", "http://127.0.0.1:8000/test", nil)
c.Assert(err, checker.IsNil)
response, err = client.Do(req)
c.Assert(err, checker.IsNil)
c.Assert(response.StatusCode, checker.Equals, 200)
body, err = ioutil.ReadAll(response.Body)
c.Assert(err, checker.IsNil)
if !strings.Contains(string(body), whoami1.NetworkSettings.IPAddress) &&
!strings.Contains(string(body), whoami2.NetworkSettings.IPAddress) {
c.Fail()
}
req, err = http.NewRequest("GET", "http://127.0.0.1:8000/test2", nil)
req.Host = "test2.localhost"
resp, err := client.Do(req)
c.Assert(err, checker.IsNil)
c.Assert(resp.StatusCode, checker.Equals, 404)
req, err = http.NewRequest("GET", "http://127.0.0.1:8000/", nil)
resp, err = client.Do(req)
c.Assert(err, checker.IsNil)
c.Assert(resp.StatusCode, checker.Equals, 404)
}
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func (s *EtcdSuite) TestGlobalConfiguration(c *check.C) {
etcdHost := s.composeProject.Container(c, "etcd").NetworkSettings.IPAddress
err := s.kv.Put("/traefik/entrypoints/http/address", []byte(":8001"), nil)
c.Assert(err, checker.IsNil)
// wait for etcd
err = utils.Try(60*time.Second, func() error {
_, err := s.kv.Exists("/traefik/entrypoints/http/address")
if err != nil {
return err
}
return nil
})
c.Assert(err, checker.IsNil)
// start traefik
cmd := exec.Command(traefikBinary, "--configFile=fixtures/simple_web.toml", "--etcd", "--etcd.endpoint="+etcdHost+":4001")
// cmd.Stdout = os.Stdout
// cmd.Stderr = os.Stderr
err = cmd.Start()
c.Assert(err, checker.IsNil)
defer cmd.Process.Kill()
whoami1 := s.composeProject.Container(c, "whoami1")
whoami2 := s.composeProject.Container(c, "whoami2")
whoami3 := s.composeProject.Container(c, "whoami3")
whoami4 := s.composeProject.Container(c, "whoami4")
backend1 := map[string]string{
"/traefik/backends/backend1/circuitbreaker/expression": "NetworkErrorRatio() > 0.5",
"/traefik/backends/backend1/servers/server1/url": "http://" + whoami1.NetworkSettings.IPAddress + ":80",
"/traefik/backends/backend1/servers/server1/weight": "10",
"/traefik/backends/backend1/servers/server2/url": "http://" + whoami2.NetworkSettings.IPAddress + ":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://" + whoami3.NetworkSettings.IPAddress + ":80",
"/traefik/backends/backend2/servers/server1/weight": "1",
"/traefik/backends/backend2/servers/server2/url": "http://" + whoami4.NetworkSettings.IPAddress + ":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 etcd
err = utils.Try(60*time.Second, func() error {
_, err := s.kv.Exists("/traefik/frontends/frontend2/routes/test_2/rule")
if err != nil {
return err
}
return nil
})
c.Assert(err, checker.IsNil)
// wait for traefik
err = utils.TryRequest("http://127.0.0.1:8080/api/providers", 60*time.Second, func(res *http.Response) error {
body, err := ioutil.ReadAll(res.Body)
if err != nil {
return err
}
if !strings.Contains(string(body), "Path:/test") {
return errors.New("Incorrect traefik config")
}
return nil
})
c.Assert(err, checker.IsNil)
//check
client := &http.Client{}
req, err := http.NewRequest("GET", "http://127.0.0.1:8001/", nil)
c.Assert(err, checker.IsNil)
req.Host = "test.localhost"
response, err := client.Do(req)
c.Assert(err, checker.IsNil)
c.Assert(response.StatusCode, checker.Equals, 200)
}
func (s *EtcdSuite) TestCertificatesContentstWithSNIConfigHandshake(c *check.C) {
etcdHost := s.composeProject.Container(c, "etcd").NetworkSettings.IPAddress
// start traefik
cmd := exec.Command(traefikBinary, "--configFile=fixtures/simple_web.toml", "--etcd", "--etcd.endpoint="+etcdHost+":4001")
// cmd.Stdout = os.Stdout
// cmd.Stderr = os.Stderr
whoami1 := s.composeProject.Container(c, "whoami1")
whoami2 := s.composeProject.Container(c, "whoami2")
whoami3 := s.composeProject.Container(c, "whoami3")
whoami4 := s.composeProject.Container(c, "whoami4")
//Copy the contents of the certificate files into ETCD
snitestComCert, err := ioutil.ReadFile("fixtures/https/snitest.com.cert")
c.Assert(err, checker.IsNil)
snitestComKey, err := ioutil.ReadFile("fixtures/https/snitest.com.key")
c.Assert(err, checker.IsNil)
snitestOrgCert, err := ioutil.ReadFile("fixtures/https/snitest.org.cert")
c.Assert(err, checker.IsNil)
snitestOrgKey, err := ioutil.ReadFile("fixtures/https/snitest.org.key")
c.Assert(err, checker.IsNil)
globalConfig := map[string]string{
"/traefik/entrypoints/https/address": ":4443",
"/traefik/entrypoints/https/tls/certificates/0/certfile": string(snitestComCert),
"/traefik/entrypoints/https/tls/certificates/0/keyfile": string(snitestComKey),
"/traefik/entrypoints/https/tls/certificates/1/certfile": string(snitestOrgCert),
"/traefik/entrypoints/https/tls/certificates/1/keyfile": string(snitestOrgKey),
"/traefik/defaultentrypoints/0": "https",
}
backend1 := map[string]string{
"/traefik/backends/backend1/circuitbreaker/expression": "NetworkErrorRatio() > 0.5",
"/traefik/backends/backend1/servers/server1/url": "http://" + whoami1.NetworkSettings.IPAddress + ":80",
"/traefik/backends/backend1/servers/server1/weight": "10",
"/traefik/backends/backend1/servers/server2/url": "http://" + whoami2.NetworkSettings.IPAddress + ":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://" + whoami3.NetworkSettings.IPAddress + ":80",
"/traefik/backends/backend2/servers/server1/weight": "1",
"/traefik/backends/backend2/servers/server2/url": "http://" + whoami4.NetworkSettings.IPAddress + ":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:snitest.com",
}
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": "Host:snitest.org",
}
for key, value := range globalConfig {
err := s.kv.Put(key, []byte(value), nil)
c.Assert(err, checker.IsNil)
}
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 etcd
err = utils.Try(60*time.Second, func() error {
_, err := s.kv.Exists("/traefik/frontends/frontend2/routes/test_2/rule")
if err != nil {
return err
}
return nil
})
c.Assert(err, checker.IsNil)
err = cmd.Start()
c.Assert(err, checker.IsNil)
defer cmd.Process.Kill()
// wait for traefik
err = utils.TryRequest("http://127.0.0.1:8080/api/providers", 60*time.Second, func(res *http.Response) error {
body, err := ioutil.ReadAll(res.Body)
if err != nil {
return err
}
if !strings.Contains(string(body), "Host:snitest.org") {
return errors.New("Incorrect traefik config")
}
return nil
})
c.Assert(err, checker.IsNil)
//check
tlsConfig := &tls.Config{
InsecureSkipVerify: true,
ServerName: "snitest.com",
}
conn, err := tls.Dial("tcp", "127.0.0.1:4443", tlsConfig)
c.Assert(err, checker.IsNil, check.Commentf("failed to connect to server"))
defer conn.Close()
err = conn.Handshake()
c.Assert(err, checker.IsNil, check.Commentf("TLS handshake error"))
cs := conn.ConnectionState()
err = cs.PeerCertificates[0].VerifyHostname("snitest.com")
c.Assert(err, checker.IsNil, check.Commentf("certificate did not match SNI servername"))
}
func (s *EtcdSuite) TestCommandStoreConfig(c *check.C) {
etcdHost := s.composeProject.Container(c, "etcd").NetworkSettings.IPAddress
cmd := exec.Command(traefikBinary, "storeconfig", "--configFile=fixtures/simple_web.toml", "--etcd.endpoint="+etcdHost+":4001")
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/etcd/endpoint": (etcdHost + ":4001"),
}
for key, value := range checkmap {
var p *store.KVPair
err = utils.Try(60*time.Second, func() error {
p, err = s.kv.Get(key)
if err != nil {
return err
}
return nil
})
c.Assert(err, checker.IsNil)
c.Assert(string(p.Value), checker.Equals, value)
}
}