traefik/integration/etcd_test.go

595 lines
20 KiB
Go
Raw Normal View History

package integration
import (
"crypto/tls"
"io/ioutil"
"net/http"
"os"
"strings"
"time"
"github.com/containous/traefik/integration/try"
"github.com/docker/libkv"
"github.com/docker/libkv/store"
2017-11-17 16:22:03 +00:00
"github.com/docker/libkv/store/etcd/v2"
"github.com/go-check/check"
checker "github.com/vdemeester/shakers"
)
// Etcd test suites (using libcompose)
type EtcdSuite struct {
BaseSuite
kv store.Store
}
2016-06-24 07:58:42 +00:00
func (s *EtcdSuite) SetUpTest(c *check.C) {
s.createComposeProject(c, "etcd")
s.composeProject.Start(c)
etcd.Register()
2016-07-11 11:36:35 +00:00
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 = try.Do(60*time.Second, func() error {
2017-11-17 16:22:03 +00:00
_, err := kv.Exists("test", nil)
return err
})
c.Assert(err, checker.IsNil)
}
2016-06-24 07:58:42 +00:00
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
2017-11-17 16:22:03 +00:00
file := s.adaptFile(c, "fixtures/etcd/simple.toml", struct {
EtcdHost string
UseAPIV3 bool
}{
etcdHost,
false,
})
defer os.Remove(file)
cmd, display := s.traefikCmd(withConfigFile(file))
defer display(c)
err := cmd.Start()
c.Assert(err, checker.IsNil)
defer cmd.Process.Kill()
// TODO validate : run on 80
// Expected a 404 as we did not configure anything
err = try.GetRequest("http://127.0.0.1:8000/", 1000*time.Millisecond, try.StatusCodeIs(http.StatusNotFound))
c.Assert(err, checker.IsNil)
}
func (s *EtcdSuite) TestNominalConfiguration(c *check.C) {
etcdHost := s.composeProject.Container(c, "etcd").NetworkSettings.IPAddress
2017-11-17 16:22:03 +00:00
file := s.adaptFile(c, "fixtures/etcd/simple.toml", struct {
EtcdHost string
UseAPIV3 bool
}{
etcdHost,
false,
})
defer os.Remove(file)
cmd, display := s.traefikCmd(withConfigFile(file))
defer display(c)
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 etcd
err = try.Do(60*time.Second, func() error {
2017-11-17 16:22:03 +00:00
_, err := s.kv.Exists("/traefik/frontends/frontend2/routes/test_2/rule", nil)
return err
})
c.Assert(err, checker.IsNil)
// wait for Træfik
err = try.GetRequest("http://127.0.0.1:8081/api/providers", 60*time.Second, try.BodyContains("Path:/test"))
c.Assert(err, checker.IsNil)
client := &http.Client{}
req, err := http.NewRequest(http.MethodGet, "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, http.StatusOK)
body, err := ioutil.ReadAll(response.Body)
c.Assert(err, checker.IsNil)
if !strings.Contains(string(body), whoami3IP) &&
!strings.Contains(string(body), whoami4IP) {
c.Fail()
}
req, err = http.NewRequest(http.MethodGet, "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, http.StatusOK)
body, err = ioutil.ReadAll(response.Body)
c.Assert(err, checker.IsNil)
if !strings.Contains(string(body), whoami1IP) &&
!strings.Contains(string(body), whoami2IP) {
c.Fail()
}
req, err = http.NewRequest(http.MethodGet, "http://127.0.0.1:8000/test2", nil)
2017-08-18 00:18:02 +00:00
c.Assert(err, checker.IsNil)
req.Host = "test2.localhost"
resp, err := client.Do(req)
c.Assert(err, checker.IsNil)
c.Assert(resp.StatusCode, checker.Equals, http.StatusNotFound)
resp, err = http.Get("http://127.0.0.1:8000/")
c.Assert(err, checker.IsNil)
c.Assert(resp.StatusCode, checker.Equals, http.StatusNotFound)
}
2016-06-24 07:58:42 +00:00
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 = try.Do(60*time.Second, func() error {
2017-11-17 16:22:03 +00:00
_, err := s.kv.Exists("/traefik/entrypoints/http/address", nil)
return err
2016-06-24 07:58:42 +00:00
})
c.Assert(err, checker.IsNil)
// start Træfik
cmd, display := s.traefikCmd(
withConfigFile("fixtures/simple_web.toml"),
"--etcd",
"--etcd.endpoint="+etcdHost+":4001")
defer display(c)
2016-06-24 07:58:42 +00:00
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
2016-06-24 07:58:42 +00:00
backend1 := map[string]string{
"/traefik/backends/backend1/circuitbreaker/expression": "NetworkErrorRatio() > 0.5",
"/traefik/backends/backend1/servers/server1/url": "http://" + whoami1IP + ":80",
2016-06-24 07:58:42 +00:00
"/traefik/backends/backend1/servers/server1/weight": "10",
"/traefik/backends/backend1/servers/server2/url": "http://" + whoami2IP + ":80",
2016-06-24 07:58:42 +00:00
"/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",
2016-06-24 07:58:42 +00:00
"/traefik/backends/backend2/servers/server1/weight": "1",
"/traefik/backends/backend2/servers/server2/url": "http://" + whoami4IP + ":80",
2016-06-24 07:58:42 +00:00
"/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 = try.Do(60*time.Second, func() error {
2017-11-17 16:22:03 +00:00
_, err := s.kv.Exists("/traefik/frontends/frontend2/routes/test_2/rule", nil)
return err
2016-06-24 07:58:42 +00:00
})
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"))
2016-06-24 07:58:42 +00:00
c.Assert(err, checker.IsNil)
// check
req, err := http.NewRequest(http.MethodGet, "http://127.0.0.1:8001/", nil)
2016-06-24 07:58:42 +00:00
c.Assert(err, checker.IsNil)
req.Host = "test.localhost"
err = try.Request(req, 500*time.Millisecond, try.StatusCodeIs(http.StatusOK))
2016-06-24 07:58:42 +00:00
c.Assert(err, checker.IsNil)
}
func (s *EtcdSuite) TestCertificatesContentstWithSNIConfigHandshake(c *check.C) {
etcdHost := s.composeProject.Container(c, "etcd").NetworkSettings.IPAddress
// start Træfik
cmd, display := s.traefikCmd(
withConfigFile("fixtures/simple_web.toml"),
"--etcd",
"--etcd.endpoint="+etcdHost+":4001")
defer display(c)
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
// 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://" + 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: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 = try.Do(60*time.Second, try.KVExists(s.kv, "/traefik/frontends/frontend2/routes/test_2/rule"))
c.Assert(err, checker.IsNil)
err = cmd.Start()
c.Assert(err, checker.IsNil)
defer cmd.Process.Kill()
// wait for traefik
err = try.GetRequest("http://127.0.0.1:8080/api/providers", 60*time.Second, try.BodyContains("Host:snitest.org"))
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, display := s.traefikCmd(
"storeconfig",
withConfigFile("fixtures/simple_web.toml"),
"--etcd.endpoint="+etcdHost+":4001")
defer display(c)
err := cmd.Start()
c.Assert(err, checker.IsNil)
// wait for Træfik finish without error
cmd.Wait()
// CHECK
checkmap := map[string]string{
"/traefik/loglevel": "DEBUG",
"/traefik/defaultentrypoints/0": "http",
"/traefik/entrypoints/http/address": ":8000",
"/traefik/api/entrypoint": "traefik",
"/traefik/etcd/endpoint": etcdHost + ":4001",
}
for key, value := range checkmap {
var p *store.KVPair
err = try.Do(60*time.Second, func() error {
2017-11-17 16:22:03 +00:00
p, err = s.kv.Get(key, nil)
return err
})
c.Assert(err, checker.IsNil)
c.Assert(string(p.Value), checker.Equals, value)
}
}
func (s *EtcdSuite) TestSNIDynamicTlsConfig(c *check.C) {
etcdHost := s.composeProject.Container(c, "etcd").NetworkSettings.IPAddress
// start Træfik
cmd, display := s.traefikCmd(
withConfigFile("fixtures/etcd/simple_https.toml"),
"--etcd",
"--etcd.endpoint="+etcdHost+":4001",
"--etcd.watch=true",
)
defer display(c)
// prepare to config
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
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)
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": "1",
"/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": "1",
}
frontend1 := map[string]string{
"/traefik/frontends/frontend1/backend": "backend2",
"/traefik/frontends/frontend1/entrypoints": "https",
"/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": "https",
"/traefik/frontends/frontend2/priority": "10",
"/traefik/frontends/frontend2/routes/test_2/rule": "Host:snitest.org",
}
tlsconfigure1 := map[string]string{
2018-01-23 15:30:07 +00:00
"/traefik/tls/snitestcom/entrypoints": "https",
"/traefik/tls/snitestcom/certificate/keyfile": string(snitestComKey),
"/traefik/tls/snitestcom/certificate/certfile": string(snitestComCert),
}
tlsconfigure2 := map[string]string{
2018-01-23 15:30:07 +00:00
"/traefik/tls/snitestorg/entrypoints": "https",
"/traefik/tls/snitestorg/certificate/keyfile": string(snitestOrgKey),
"/traefik/tls/snitestorg/certificate/certfile": string(snitestOrgCert),
}
// config backends,frontends and first tls keypair
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)
}
for key, value := range tlsconfigure1 {
err := s.kv.Put(key, []byte(value), nil)
c.Assert(err, checker.IsNil)
}
tr1 := &http.Transport{
TLSClientConfig: &tls.Config{
InsecureSkipVerify: true,
ServerName: "snitest.com",
},
}
tr2 := &http.Transport{
TLSClientConfig: &tls.Config{
InsecureSkipVerify: true,
ServerName: "snitest.org",
},
}
// wait for etcd
err = try.Do(60*time.Second, func() error {
2018-01-23 15:30:07 +00:00
_, err := s.kv.Get("/traefik/tls/snitestcom/certificate/keyfile", nil)
return err
})
c.Assert(err, checker.IsNil)
err = cmd.Start()
c.Assert(err, checker.IsNil)
defer cmd.Process.Kill()
// wait for Træfik
err = try.GetRequest("http://127.0.0.1:8081/api/providers", 60*time.Second, try.BodyContains(string("MIIEpQIBAAKCAQEA1RducBK6EiFDv3TYB8ZcrfKWRVaSfHzWicO3J5WdST9oS7h")))
c.Assert(err, checker.IsNil)
req, err := http.NewRequest(http.MethodGet, "https://127.0.0.1:4443/", nil)
c.Assert(err, checker.IsNil)
client := &http.Client{Transport: tr1}
req.Host = tr1.TLSClientConfig.ServerName
req.Header.Set("Host", tr1.TLSClientConfig.ServerName)
req.Header.Set("Accept", "*/*")
var resp *http.Response
resp, err = client.Do(req)
c.Assert(err, checker.IsNil)
cn := resp.TLS.PeerCertificates[0].Subject.CommonName
c.Assert(cn, checker.Equals, "snitest.com")
// now we configure the second keypair in etcd and the request for host "snitest.org" will use the second keypair
for key, value := range tlsconfigure2 {
err := s.kv.Put(key, []byte(value), nil)
c.Assert(err, checker.IsNil)
}
// wait for etcd
err = try.Do(60*time.Second, func() error {
2018-01-23 15:30:07 +00:00
_, err := s.kv.Get("/traefik/tls/snitestorg/certificate/keyfile", nil)
return err
})
c.Assert(err, checker.IsNil)
// waiting for Træfik to pull configuration
err = try.GetRequest("http://127.0.0.1:8081/api/providers", 30*time.Second, try.BodyContains("MIIEogIBAAKCAQEAvG9kL+vF57+MICehzbqcQAUlAOSl5r"))
c.Assert(err, checker.IsNil)
req, err = http.NewRequest(http.MethodGet, "https://127.0.0.1:4443/", nil)
c.Assert(err, checker.IsNil)
client = &http.Client{Transport: tr2}
req.Host = tr2.TLSClientConfig.ServerName
req.Header.Set("Host", tr2.TLSClientConfig.ServerName)
req.Header.Set("Accept", "*/*")
resp, err = client.Do(req)
cn = resp.TLS.PeerCertificates[0].Subject.CommonName
c.Assert(cn, checker.Equals, "snitest.org")
}