etcd/clientv3/integration/dial_test.go
2016-10-03 02:16:07 -07:00

133 lines
3.2 KiB
Go

// Copyright 2016 The etcd Authors
//
// 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 integration
import (
"fmt"
"io/ioutil"
"math/rand"
"net/url"
"os"
"sync"
"testing"
"time"
"github.com/coreos/etcd/clientv3"
"github.com/coreos/etcd/embed"
"github.com/coreos/etcd/integration"
"github.com/coreos/etcd/pkg/testutil"
"golang.org/x/net/context"
)
// TestDialSetEndpoints ensures SetEndpoints can replace unavailable endpoints with available ones.
func TestDialSetEndpoints(t *testing.T) {
defer testutil.AfterTest(t)
clus := integration.NewClusterV3(t, &integration.ClusterConfig{Size: 3})
defer clus.Terminate(t)
// get endpoint list
eps := make([]string, 3)
for i := range eps {
eps[i] = clus.Members[i].GRPCAddr()
}
toKill := rand.Intn(len(eps))
cfg := clientv3.Config{Endpoints: []string{eps[toKill]}, DialTimeout: 1 * time.Second}
cli, err := clientv3.New(cfg)
if err != nil {
t.Fatal(err)
}
defer cli.Close()
// make a dead node
clus.Members[toKill].Stop(t)
clus.WaitLeader(t)
// update client with available endpoints
cli.SetEndpoints(eps[(toKill+1)%3])
ctx, cancel := context.WithTimeout(context.Background(), 3*time.Second)
if _, err = cli.Get(ctx, "foo", clientv3.WithSerializable()); err != nil {
t.Fatal(err)
}
cancel()
}
var (
testMu sync.Mutex
testPort = 31000
)
// TestDialWithHTTPS ensures that client can handle 'https' scheme in endpoints.
func TestDialWithHTTPS(t *testing.T) {
defer testutil.AfterTest(t)
testMu.Lock()
port := testPort
testPort += 10 // to avoid port conflicts
testMu.Unlock()
dir, err := ioutil.TempDir(os.TempDir(), "dial-test")
if err != nil {
t.Fatal(err)
}
defer os.RemoveAll(dir)
// set up single-node cluster with client auto TLS
cfg := embed.NewConfig()
cfg.Dir = dir
cfg.ClientAutoTLS = true
clientURL := url.URL{Scheme: "https", Host: fmt.Sprintf("localhost:%d", port)}
cfg.LCUrls, cfg.ACUrls = []url.URL{clientURL}, []url.URL{clientURL}
peerURL := url.URL{Scheme: "http", Host: fmt.Sprintf("localhost:%d", port+1)}
cfg.LPUrls, cfg.APUrls = []url.URL{peerURL}, []url.URL{peerURL}
cfg.InitialCluster = cfg.Name + "=" + peerURL.String()
srv, err := embed.StartEtcd(cfg)
if err != nil {
t.Fatal(err)
}
nc := srv.Config() // overwrite config after processing ClientTLSInfo
cfg = &nc
<-srv.Server.ReadyNotify()
defer func() {
srv.Close()
<-srv.Err()
}()
// wait for leader election to finish
time.Sleep(500 * time.Millisecond)
ccfg := clientv3.Config{Endpoints: []string{clientURL.String()}}
tcfg, err := cfg.ClientTLSInfo.ClientConfig()
if err != nil {
t.Fatal(err)
}
ccfg.TLS = tcfg
cli, err := clientv3.New(ccfg)
if err != nil {
t.Fatal(err)
}
defer cli.Close()
if _, err = cli.Get(context.Background(), "foo"); err != nil {
t.Fatal(err)
}
}