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traefik/integration/etcd3_test.go
2017-11-17 17:22:03 +01:00

429 lines
14 KiB
Go

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"
"github.com/docker/libkv/store/etcd/v3"
"github.com/go-check/check"
checker "github.com/vdemeester/shakers"
)
const (
// Services IP addresses fixed in the configuration
ipEtcd string = "172.18.0.2"
ipWhoami01 string = "172.18.0.3"
ipWhoami02 string = "172.18.0.4"
ipWhoami03 string = "172.18.0.5"
ipWhoami04 string = "172.18.0.6"
traefikEtcdURL string = "http://127.0.0.1:8000/"
traefikWebEtcdURL string = "http://127.0.0.1:8081/"
)
// Etcd test suites (using libcompose)
type Etcd3Suite struct {
BaseSuite
kv store.Store
}
func (s *Etcd3Suite) SetUpTest(c *check.C) {
s.createComposeProject(c, "etcd3")
s.composeProject.Start(c)
etcdv3.Register()
url := ipEtcd + ":2379"
kv, err := libkv.NewStore(
store.ETCDV3,
[]string{url},
&store.Config{
ConnectionTimeout: 30 * 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 {
_, err := kv.Exists("test", nil)
return err
})
c.Assert(err, checker.IsNil)
}
func (s *Etcd3Suite) TearDownTest(c *check.C) {
// shutdown and delete compose project
if s.composeProject != nil {
s.composeProject.Stop(c)
}
}
func (s *Etcd3Suite) TearDownSuite(c *check.C) {}
func (s *Etcd3Suite) TestSimpleConfiguration(c *check.C) {
file := s.adaptFile(c, "fixtures/etcd/simple.toml", struct {
EtcdHost string
UseAPIV3 bool
}{
ipEtcd,
true,
})
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(traefikEtcdURL, 1*time.Second, try.StatusCodeIs(http.StatusNotFound))
c.Assert(err, checker.IsNil)
}
func (s *Etcd3Suite) TestNominalConfiguration(c *check.C) {
file := s.adaptFile(c, "fixtures/etcd/simple.toml", struct {
EtcdHost string
UseAPIV3 bool
}{
ipEtcd,
true,
})
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()
backend1 := map[string]string{
"/traefik/backends/backend1/circuitbreaker/expression": "NetworkErrorRatio() > 0.5",
"/traefik/backends/backend1/servers/server1/url": "http://" + ipWhoami01 + ":80",
"/traefik/backends/backend1/servers/server1/weight": "10",
"/traefik/backends/backend1/servers/server2/url": "http://" + ipWhoami02 + ":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://" + ipWhoami03 + ":80",
"/traefik/backends/backend2/servers/server1/weight": "1",
"/traefik/backends/backend2/servers/server2/url": "http://" + ipWhoami04 + ":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 {
_, err := s.kv.Exists("/traefik/frontends/frontend2/routes/test_2/rule", nil)
return err
})
c.Assert(err, checker.IsNil)
// wait for traefik
err = try.GetRequest(traefikWebEtcdURL+"api/providers", 60*time.Second, try.BodyContains("Path:/test"))
c.Assert(err, checker.IsNil)
client := &http.Client{}
req, err := http.NewRequest(http.MethodGet, traefikEtcdURL, 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), ipWhoami03) &&
!strings.Contains(string(body), ipWhoami04) {
c.Fail()
}
req, err = http.NewRequest(http.MethodGet, traefikEtcdURL+"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), ipWhoami01) &&
!strings.Contains(string(body), ipWhoami02) {
c.Fail()
}
req, err = http.NewRequest(http.MethodGet, traefikEtcdURL+"test2", nil)
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(traefikEtcdURL)
c.Assert(err, checker.IsNil)
c.Assert(resp.StatusCode, checker.Equals, http.StatusNotFound)
}
func (s *Etcd3Suite) TestGlobalConfiguration(c *check.C) {
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 {
_, err := s.kv.Exists("/traefik/entrypoints/http/address", nil)
return err
})
c.Assert(err, checker.IsNil)
// start traefik
cmd, display := s.traefikCmd(
withConfigFile("fixtures/simple_web.toml"),
"--etcd",
"--etcd.endpoint="+ipEtcd+":4001",
"--etcd.useAPIV3=true")
defer display(c)
err = cmd.Start()
c.Assert(err, checker.IsNil)
defer cmd.Process.Kill()
backend1 := map[string]string{
"/traefik/backends/backend1/circuitbreaker/expression": "NetworkErrorRatio() > 0.5",
"/traefik/backends/backend1/servers/server1/url": "http://" + ipWhoami01 + ":80",
"/traefik/backends/backend1/servers/server1/weight": "10",
"/traefik/backends/backend1/servers/server2/url": "http://" + ipWhoami02 + ":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://" + ipWhoami03 + ":80",
"/traefik/backends/backend2/servers/server1/weight": "1",
"/traefik/backends/backend2/servers/server2/url": "http://" + ipWhoami04 + ":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 {
_, err := s.kv.Exists("/traefik/frontends/frontend2/routes/test_2/rule", nil)
return err
})
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"))
c.Assert(err, checker.IsNil)
//check
req, err := http.NewRequest(http.MethodGet, "http://127.0.0.1:8001/", nil)
c.Assert(err, checker.IsNil)
req.Host = "test.localhost"
err = try.Request(req, 500*time.Millisecond, try.StatusCodeIs(http.StatusOK))
c.Assert(err, checker.IsNil)
}
func (s *Etcd3Suite) TestCertificatesContentstWithSNIConfigHandshake(c *check.C) {
// start traefik
cmd, display := s.traefikCmd(
withConfigFile("fixtures/simple_web.toml"),
"--etcd",
"--etcd.endpoint="+ipEtcd+":4001",
"--etcd.useAPIV3=true")
defer display(c)
//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://" + ipWhoami01 + ":80",
"/traefik/backends/backend1/servers/server1/weight": "10",
"/traefik/backends/backend1/servers/server2/url": "http://" + ipWhoami02 + ":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://" + ipWhoami03 + ":80",
"/traefik/backends/backend2/servers/server1/weight": "1",
"/traefik/backends/backend2/servers/server2/url": "http://" + ipWhoami04 + ":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/frontend1/backend"))
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 *Etcd3Suite) TestCommandStoreConfig(c *check.C) {
cmd, display := s.traefikCmd(
"storeconfig",
withConfigFile("fixtures/simple_web.toml"),
"--etcd.endpoint="+ipEtcd+":4001",
"--etcd.useAPIV3=true")
defer display(c)
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": ipEtcd + ":4001",
}
for key, value := range checkmap {
var p *store.KVPair
err = try.Do(60*time.Second, func() error {
p, err = s.kv.Get(key, nil)
return err
})
c.Assert(err, checker.IsNil)
c.Assert(string(p.Value), checker.Equals, value)
}
}