Add ACME/Let’s Encrypt integration tests

Thx @gwallet for the help.

integration/acme_test.go

@@ -0,0 +1,92 @@
+package main
+
+import (
+	"crypto/tls"
+	"net/http"
+	"os"
+	"os/exec"
+	"time"
+
+	"github.com/go-check/check"
+
+	"errors"
+	"github.com/containous/traefik/integration/utils"
+	checker "github.com/vdemeester/shakers"
+)
+
+// ACME test suites (using libcompose)
+type AcmeSuite struct {
+	BaseSuite
+}
+
+func (s *AcmeSuite) SetUpSuite(c *check.C) {
+	s.createComposeProject(c, "boulder")
+	s.composeProject.Start(c)
+
+	boulderHost := s.composeProject.Container(c, "boulder").NetworkSettings.IPAddress
+
+	// wait for boulder
+	err := utils.Try(120*time.Second, func() error {
+		resp, err := http.Get("http://" + boulderHost + ":4000/directory")
+		if err != nil {
+			return err
+		}
+		if resp.StatusCode != 200 {
+			return errors.New("Expected http 200 from boulder")
+		}
+		return nil
+	})
+
+	c.Assert(err, checker.IsNil)
+}
+
+func (s *AcmeSuite) TearDownSuite(c *check.C) {
+	// shutdown and delete compose project
+	if s.composeProject != nil {
+		s.composeProject.Stop(c)
+	}
+}
+
+func (s *AcmeSuite) TestRetrieveAcmeCertificate(c *check.C) {
+	boulderHost := s.composeProject.Container(c, "boulder").NetworkSettings.IPAddress
+	file := s.adaptFile(c, "fixtures/acme/acme.toml", struct{ BoulderHost string }{boulderHost})
+	defer os.Remove(file)
+	cmd := exec.Command(traefikBinary, "--configFile="+file)
+	err := cmd.Start()
+	c.Assert(err, checker.IsNil)
+	defer cmd.Process.Kill()
+
+	backend := startTestServer("9010", 200)
+	defer backend.Close()
+
+	tr := &http.Transport{
+		TLSClientConfig: &tls.Config{InsecureSkipVerify: true},
+	}
+	client := &http.Client{Transport: tr}
+
+	// wait for traefik (generating acme account take some seconds)
+	err = utils.Try(30*time.Second, func() error {
+		_, err := client.Get("https://127.0.0.1:5001")
+		if err != nil {
+			return err
+		}
+		return nil
+	})
+	c.Assert(err, checker.IsNil)
+
+	tr = &http.Transport{
+		TLSClientConfig: &tls.Config{
+			InsecureSkipVerify: true,
+			ServerName:         "traefik.acme.wtf",
+		},
+	}
+	client = &http.Client{Transport: tr}
+	req, _ := http.NewRequest("GET", "https://127.0.0.1:5001/", nil)
+	req.Host = "traefik.acme.wtf"
+	req.Header.Set("Host", "traefik.acme.wtf")
+	req.Header.Set("Accept", "*/*")
+	resp, err := client.Do(req)
+	c.Assert(err, checker.IsNil)
+	// Expected a 200
+	c.Assert(resp.StatusCode, checker.Equals, 200)
+}

integration/fixtures/acme/acme.toml

@@ -0,0 +1,32 @@
+logLevel = "DEBUG"
+
+defaultEntryPoints = ["http", "https"]
+
+[entryPoints]
+  [entryPoints.http]
+  address = ":8080"
+  [entryPoints.https]
+  address = ":5001"
+    [entryPoints.https.tls]
+
+
+[acme]
+email = "test@traefik.io"
+storage = "/dev/null"
+entryPoint = "https"
+onDemand = true
+caServer = "http://{{.BoulderHost}}:4000/directory"
+
+[file]
+
+[backends]
+  [backends.backend]
+    [backends.backend.servers.server1]
+    url = "http://127.0.0.1:9010"
+
+
+[frontends]
+  [frontends.frontend]
+  backend = "backend"
+    [frontends.frontend.routes.test]
+    rule = "Host:traefik.acme.wtf"

integration/integration_test.go

@@ -4,6 +4,7 @@ package main
 import (
 	"fmt"
 	"io/ioutil"
+	"net"
 	"os"
 	"os/exec"
 	"path/filepath"
@@ -34,6 +35,7 @@ func init() {
 	check.Suite(&ConstraintSuite{})
 	check.Suite(&MesosSuite{})
 	check.Suite(&EurekaSuite{})
+	check.Suite(&AcmeSuite{})
 }
 
 var traefikBinary = "../dist/traefik"
@@ -52,6 +54,18 @@ func (s *BaseSuite) TearDownSuite(c *check.C) {
 func (s *BaseSuite) createComposeProject(c *check.C, name string) {
 	projectName := fmt.Sprintf("integration-test-%s", name)
 	composeFile := fmt.Sprintf("resources/compose/%s.yml", name)
+
+	addrs, err := net.InterfaceAddrs()
+	c.Assert(err, checker.IsNil)
+	for _, addr := range addrs {
+		ip, _, err := net.ParseCIDR(addr.String())
+		c.Assert(err, checker.IsNil)
+		if !ip.IsLoopback() && ip.To4() != nil {
+			os.Setenv("DOCKER_HOST_IP", ip.String())
+			break
+		}
+	}
+
 	s.composeProject = compose.CreateProject(c, projectName, composeFile)
 }
 

integration/resources/compose/boulder.yml

@@ -0,0 +1,44 @@
+boulder:
+    image: containous/boulder:release
+    environment:
+        FAKE_DNS: ${DOCKER_HOST_IP}
+        PKCS11_PROXY_SOCKET: tcp://boulder-hsm:5657
+    extra_hosts:
+      - le.wtf:127.0.0.1
+      - boulder:127.0.0.1
+    ports:
+      - 4000:4000 # ACME
+      - 4002:4002 # OCSP
+      - 4003:4003 # OCSP
+      - 4500:4500 # ct-test-srv
+      - 8000:8000 # debug ports
+      - 8001:8001
+      - 8002:8002
+      - 8003:8003
+      - 8004:8004
+      - 8055:8055 # dns-test-srv updates
+      - 9380:9380 # mail-test-srv
+      - 9381:9381 # mail-test-srv
+    links:
+      - bhsm:boulder-hsm
+      - bmysql:boulder-mysql
+      - brabbitmq:boulder-rabbitmq
+
+bhsm:
+    # To minimize the fetching of various layers this should match
+    # the FROM image and tag in boulder/Dockerfile
+    image: letsencrypt/boulder-tools:2016-11-02
+    environment:
+        PKCS11_DAEMON_SOCKET: tcp://0.0.0.0:5657
+    command: /usr/local/bin/pkcs11-daemon /usr/lib/softhsm/libsofthsm.so
+    expose:
+      - 5657
+bmysql:
+    image: mariadb:10.1
+    environment:
+        MYSQL_ALLOW_EMPTY_PASSWORD: "yes"
+    log_driver: none
+brabbitmq:
+    image: rabbitmq:3
+    environment:
+        RABBITMQ_NODE_IP_ADDRESS: "0.0.0.0"