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minio/cmd/server-mux_test.go

321 lines
7.4 KiB

/*
* Minio Cloud Storage, (C) 2015, 2016 Minio, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package cmd
import (
"bufio"
"crypto/rand"
"crypto/rsa"
"crypto/tls"
"crypto/x509"
"crypto/x509/pkix"
"encoding/pem"
"errors"
"fmt"
"io/ioutil"
"math/big"
"net"
"net/http"
"net/http/httptest"
"os"
"strconv"
"sync"
"testing"
"time"
)
func TestClose(t *testing.T) {
// Create ServerMux
m := NewMuxServer("", nil)
if err := m.Close(); err != nil {
t.Error("Server errored while trying to Close", err)
}
}
func TestMuxServer(t *testing.T) {
ts := httptest.NewUnstartedServer(nil)
defer ts.Close()
// Create ServerMux
m := NewMuxServer("", http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
fmt.Fprint(w, "hello")
}))
// Set the test server config to the mux
ts.Config = &m.Server
ts.Start()
// Create a MuxListener
ml, err := NewMuxListener(ts.Listener, m.WaitGroup, "", "")
if err != nil {
t.Fatal(err)
}
m.listener = ml
client := http.Client{}
res, err := client.Get(ts.URL)
if err != nil {
t.Fatal(err)
}
got, err := ioutil.ReadAll(res.Body)
if err != nil {
t.Fatal(err)
}
if string(got) != "hello" {
t.Errorf("got %q, want hello", string(got))
}
// Make sure there is only 1 connection
m.mu.Lock()
if len(m.conns) < 1 {
t.Fatal("Should have 1 connections")
}
m.mu.Unlock()
// Close the server
m.Close()
// Make sure there are zero connections
m.mu.Lock()
if len(m.conns) > 0 {
t.Fatal("Should have 0 connections")
}
m.mu.Unlock()
}
func TestServerCloseBlocking(t *testing.T) {
ts := httptest.NewUnstartedServer(nil)
defer ts.Close()
// Create ServerMux
m := NewMuxServer("", http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
fmt.Fprint(w, "hello")
}))
// Set the test server config to the mux
ts.Config = &m.Server
ts.Start()
// Create a MuxListener
// var err error
ml, err := NewMuxListener(ts.Listener, m.WaitGroup, "", "")
if err != nil {
t.Fatal(err)
}
m.listener = ml
dial := func() net.Conn {
c, cerr := net.Dial("tcp", ts.Listener.Addr().String())
if cerr != nil {
t.Fatal(err)
}
return c
}
// Dial to open a StateNew but don't send anything
cnew := dial()
defer cnew.Close()
// Dial another connection but idle after a request to have StateIdle
cidle := dial()
defer cidle.Close()
cidle.Write([]byte("HEAD / HTTP/1.1\r\nHost: foo\r\n\r\n"))
_, err = http.ReadResponse(bufio.NewReader(cidle), nil)
if err != nil {
t.Fatal(err)
}
// Make sure we don't block forever.
m.Close()
// Make sure there are zero connections
m.mu.Lock()
if len(m.conns) > 0 {
t.Fatal("Should have 0 connections")
}
m.mu.Unlock()
}
func TestListenAndServe(t *testing.T) {
wait := make(chan struct{})
addr := "127.0.0.1:" + strconv.Itoa(getFreePort())
errc := make(chan error)
once := &sync.Once{}
// Create ServerMux and when we receive a request we stop waiting
m := NewMuxServer(addr, http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
fmt.Fprint(w, "hello")
once.Do(func() { close(wait) })
}))
// ListenAndServe in a goroutine, but we don't know when it's ready
go func() { errc <- m.ListenAndServe() }()
// Make sure we don't block by closing wait after a timeout
tf := time.AfterFunc(time.Millisecond*500, func() { errc <- errors.New("Unable to connect to server") })
// Keep trying the server until it's accepting connections
go func() {
client := http.Client{Timeout: time.Millisecond * 10}
ok := false
for !ok {
res, _ := client.Get("http://" + addr)
if res != nil && res.StatusCode == http.StatusOK {
ok = true
}
}
tf.Stop() // Cancel the timeout since we made a successful request
}()
// Block until we get an error or wait closed
select {
case err := <-errc:
if err != nil {
t.Fatal(err)
}
case <-wait:
m.Close() // Shutdown the ServerMux
return
}
}
func TestListenAndServeTLS(t *testing.T) {
wait := make(chan struct{})
addr := "127.0.0.1:" + strconv.Itoa(getFreePort())
errc := make(chan error)
once := &sync.Once{}
// Create ServerMux and when we receive a request we stop waiting
m := NewMuxServer(addr, http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
fmt.Fprint(w, "hello")
once.Do(func() { close(wait) })
}))
// Create a cert
err := createCertsPath()
if err != nil {
t.Fatal(err)
}
certFile := mustGetCertFile()
keyFile := mustGetKeyFile()
defer os.RemoveAll(certFile)
defer os.RemoveAll(keyFile)
err = generateTestCert(addr)
if err != nil {
t.Error(err)
return
}
// ListenAndServe in a goroutine, but we don't know when it's ready
go func() { errc <- m.ListenAndServeTLS(certFile, keyFile) }()
// Make sure we don't block by closing wait after a timeout
tf := time.AfterFunc(time.Millisecond*500, func() { errc <- errors.New("Unable to connect to server") })
// Keep trying the server until it's accepting connections
go func() {
tr := &http.Transport{
TLSClientConfig: &tls.Config{InsecureSkipVerify: true},
}
client := http.Client{
Timeout: time.Millisecond * 10,
Transport: tr,
}
ok := false
for !ok {
res, _ := client.Get("https://" + addr)
if res != nil && res.StatusCode == http.StatusOK {
ok = true
}
}
tf.Stop() // Cancel the timeout since we made a successful request
}()
// Block until we get an error or wait closed
select {
case err := <-errc:
if err != nil {
t.Error(err)
return
}
case <-wait:
m.Close() // Shutdown the ServerMux
return
}
}
// generateTestCert creates a cert and a key used for testing only
func generateTestCert(host string) error {
certPath := mustGetCertFile()
keyPath := mustGetKeyFile()
priv, err := rsa.GenerateKey(rand.Reader, 2048)
if err != nil {
return err
}
serialNumberLimit := new(big.Int).Lsh(big.NewInt(1), 128)
serialNumber, err := rand.Int(rand.Reader, serialNumberLimit)
if err != nil {
return err
}
template := x509.Certificate{
SerialNumber: serialNumber,
Subject: pkix.Name{
Organization: []string{"Minio Test Cert"},
},
NotBefore: time.Now(),
NotAfter: time.Now().Add(time.Minute * 1),
KeyUsage: x509.KeyUsageKeyEncipherment | x509.KeyUsageDigitalSignature,
ExtKeyUsage: []x509.ExtKeyUsage{x509.ExtKeyUsageServerAuth},
BasicConstraintsValid: true,
}
if ip := net.ParseIP(host); ip != nil {
template.IPAddresses = append(template.IPAddresses, ip)
}
template.IsCA = true
template.KeyUsage |= x509.KeyUsageCertSign
derBytes, err := x509.CreateCertificate(rand.Reader, &template, &template, &priv.PublicKey, priv)
if err != nil {
return err
}
certOut, err := os.Create(certPath)
if err != nil {
return err
}
pem.Encode(certOut, &pem.Block{Type: "CERTIFICATE", Bytes: derBytes})
certOut.Close()
keyOut, err := os.OpenFile(keyPath, os.O_WRONLY|os.O_CREATE|os.O_TRUNC, 0600)
if err != nil {
return err
}
pem.Encode(keyOut, &pem.Block{Type: "RSA PRIVATE KEY", Bytes: x509.MarshalPKCS1PrivateKey(priv)})
keyOut.Close()
return nil
}