Merge pull request #775 from unihorn/84

refactor(tests/server_utils): use etcd instance

config/config.go

@@ -142,16 +142,6 @@ func (c *Config) Load(arguments []string) error {
 		return err
 	}
 
-	// Sanitize all the input fields.
-	if err := c.Sanitize(); err != nil {
-		return fmt.Errorf("sanitize: %v", err)
-	}
-
-	// Force remove server configuration if specified.
-	if c.Force {
-		c.Reset()
-	}
-
 	return nil
 }
 

config/config_test.go

@@ -479,7 +479,7 @@ func TestConfigCustomConfigOverrideSystemConfig(t *testing.T) {
 			c := New()
 			c.SystemPath = p1
 			assert.Nil(t, c.Load([]string{"-config", p2}), "")
-			assert.Equal(t, c.Addr, "http://127.0.0.1:6000", "")
+			assert.Equal(t, c.Addr, "127.0.0.1:6000", "")
 		})
 	})
 }
@@ -494,7 +494,7 @@ func TestConfigEnvVarOverrideCustomConfig(t *testing.T) {
 		c := New()
 		c.SystemPath = ""
 		assert.Nil(t, c.Load([]string{"-config", path}), "")
-		assert.Equal(t, c.Peer.Addr, "http://127.0.0.1:8000", "")
+		assert.Equal(t, c.Peer.Addr, "127.0.0.1:8000", "")
 	})
 }
 
@@ -506,7 +506,7 @@ func TestConfigCLIArgsOverrideEnvVar(t *testing.T) {
 	c := New()
 	c.SystemPath = ""
 	assert.Nil(t, c.Load([]string{"-addr", "127.0.0.1:2000"}), "")
-	assert.Equal(t, c.Addr, "http://127.0.0.1:2000", "")
+	assert.Equal(t, c.Addr, "127.0.0.1:2000", "")
 }
 
 //--------------------------------------

etcd/etcd.go

@@ -61,6 +61,16 @@ func New(c *config.Config) *Etcd {
 
 // Run the etcd instance.
 func (e *Etcd) Run() {
+	// Sanitize all the input fields.
+	if err := e.Config.Sanitize(); err != nil {
+		log.Fatalf("failed sanitizing configuration: %v", err)
+	}
+
+	// Force remove server configuration if specified.
+	if e.Config.Force {
+		e.Config.Reset()
+	}
+
 	// Enable options.
 	if e.Config.VeryVeryVerbose {
 		log.Verbose = true

etcd/etcd_test.go

@@ -34,10 +34,6 @@ func TestRunStop(t *testing.T) {
 	config.Addr = "localhost:0"
 	config.Peer.Addr = "localhost:0"
 
-	if err := config.Sanitize(); err != nil {
-		t.Fatal(err)
-	}
-
 	etcd := New(config)
 	go etcd.Run()
 	<-etcd.ReadyNotify()

http/cors.go

@@ -59,6 +59,10 @@ func (h *CORSHandler) addHeader(w http.ResponseWriter, origin string) {
 // ServeHTTP adds the correct CORS headers based on the origin and returns immediately
 // with a 200 OK if the method is OPTIONS.
 func (h *CORSHandler) ServeHTTP(w http.ResponseWriter, req *http.Request) {
+	// It is important to flush before leaving the goroutine.
+	// Or it may miss the latest info written.
+	defer w.(http.Flusher).Flush()
+
 	// Write CORS header.
 	if h.Info.OriginAllowed("*") {
 		h.addHeader(w, "*")

tests/server_utils.go

@@ -1,17 +1,9 @@
 package tests
 
 import (
-	"io/ioutil"
-	"net/http"
-	"os"
-	"sync"
-	"time"
-
-	"github.com/coreos/etcd/third_party/github.com/goraft/raft"
-
-	"github.com/coreos/etcd/metrics"
+	"github.com/coreos/etcd/config"
+	"github.com/coreos/etcd/etcd"
 	"github.com/coreos/etcd/server"
-	"github.com/coreos/etcd/store"
 )
 
 const (
@@ -19,94 +11,30 @@ const (
 	testClientURL         = "localhost:4401"
 	testRaftURL           = "localhost:7701"
 	testSnapshotCount     = 10000
-	testHeartbeatInterval = time.Duration(50) * time.Millisecond
-	testElectionTimeout   = time.Duration(200) * time.Millisecond
+	testHeartbeatInterval = 50
+	testElectionTimeout   = 200
+	testDataDir           = "/tmp/ETCDTEST"
 )
 
-// Starts a server in a temporary directory.
+// Starts a new server.
 func RunServer(f func(*server.Server)) {
-	path, _ := ioutil.TempDir("", "etcd-")
-	defer os.RemoveAll(path)
-
-	store := store.New()
-	registry := server.NewRegistry(store)
-
-	serverStats := server.NewRaftServerStats(testName)
-	followersStats := server.NewRaftFollowersStats(testName)
-
-	psConfig := server.PeerServerConfig{
-		Name:          testName,
-		URL:           "http://" + testRaftURL,
-		Scheme:        "http",
-		SnapshotCount: testSnapshotCount,
-	}
-
-	mb := metrics.NewBucket("")
-
-	ps := server.NewPeerServer(psConfig, registry, store, &mb, followersStats, serverStats)
-	psListener := server.NewListener("http", testRaftURL, nil)
-
-	// Create Raft transporter and server
-	dialTimeout := (3 * testHeartbeatInterval) + testElectionTimeout
-	responseHeaderTimeout := (3 * testHeartbeatInterval) + testElectionTimeout
-	raftTransporter := server.NewTransporter(followersStats, serverStats, registry, testHeartbeatInterval, dialTimeout, responseHeaderTimeout)
-	raftServer, err := raft.NewServer(testName, path, raftTransporter, store, ps, "")
-	if err != nil {
-		panic(err)
-	}
-	raftServer.SetElectionTimeout(testElectionTimeout)
-	raftServer.SetHeartbeatInterval(testHeartbeatInterval)
-	ps.SetRaftServer(raftServer)
-
-	s := server.New(testName, "http://"+testClientURL, ps, registry, store, nil)
-	sListener := server.NewListener("http", testClientURL, nil)
+	c := config.New()
 
-	ps.SetServer(s)
+	c.Name = testName
+	c.Addr = testClientURL
+	c.Peer.Addr = testRaftURL
 
-	w := &sync.WaitGroup{}
+	c.DataDir = testDataDir
+	c.Force = true
 
-	// Start up peer server.
-	c := make(chan bool)
-	go func() {
-		c <- true
-		ps.Start(false, "", []string{})
-		h := waitHandler{w, ps.HTTPHandler()}
-		http.Serve(psListener, &h)
-	}()
-	<-c
-
-	// Start up etcd server.
-	go func() {
-		c <- true
-		h := waitHandler{w, s.HTTPHandler()}
-		http.Serve(sListener, &h)
-	}()
-	<-c
-
-	// Wait to make sure servers have started.
-	time.Sleep(50 * time.Millisecond)
+	c.Peer.HeartbeatInterval = testHeartbeatInterval
+	c.Peer.ElectionTimeout = testElectionTimeout
+	c.SnapshotCount = testSnapshotCount
 
+	i := etcd.New(c)
+	go i.Run()
+	<-i.ReadyNotify()
 	// Execute the function passed in.
-	f(s)
-
-	// Clean up servers.
-	ps.Stop()
-	psListener.Close()
-	sListener.Close()
-	w.Wait()
-}
-
-type waitHandler struct {
-	wg      *sync.WaitGroup
-	handler http.Handler
-}
-
-func (h *waitHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
-	h.wg.Add(1)
-	defer h.wg.Done()
-	h.handler.ServeHTTP(w, r)
-
-	//important to flush before decrementing the wait group.
-	//we won't get a chance to once main() ends.
-	w.(http.Flusher).Flush()
+	f(i.Server)
+	i.Stop()
 }