etcd/tests/e2e/discovery_test.go
2022-01-25 15:24:13 +01:00

106 lines
3.2 KiB
Go

// Copyright 2022 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 e2e
import (
"context"
"fmt"
"net/http"
"strings"
"testing"
"time"
"go.etcd.io/etcd/client/pkg/v3/fileutil"
"go.etcd.io/etcd/client/pkg/v3/testutil"
"go.etcd.io/etcd/client/pkg/v3/transport"
"go.etcd.io/etcd/client/v2"
"go.etcd.io/etcd/server/v3/etcdserver/api/rafthttp"
"go.etcd.io/etcd/tests/v3/framework/e2e"
"go.etcd.io/etcd/tests/v3/framework/integration"
)
func TestClusterOf1UsingDiscovery(t *testing.T) { testClusterUsingDiscovery(t, 1, false) }
func TestClusterOf3UsingDiscovery(t *testing.T) { testClusterUsingDiscovery(t, 3, false) }
func TestTLSClusterOf3UsingDiscovery(t *testing.T) { testClusterUsingDiscovery(t, 3, true) }
func testClusterUsingDiscovery(t *testing.T, size int, peerTLS bool) {
e2e.BeforeTest(t)
lastReleaseBinary := e2e.BinDir + "/etcd-last-release"
if !fileutil.Exist(lastReleaseBinary) {
t.Skipf("%q does not exist", lastReleaseBinary)
}
dc, err := e2e.NewEtcdProcessCluster(t, &e2e.EtcdProcessClusterConfig{
BasePort: 2000,
ExecPath: lastReleaseBinary,
ClusterSize: 1,
EnableV2: true,
})
if err != nil {
t.Fatalf("could not start etcd process cluster (%v)", err)
}
defer dc.Close()
dcc := MustNewHTTPClient(t, dc.EndpointsV2(), nil)
dkapi := client.NewKeysAPI(dcc)
ctx, cancel := context.WithTimeout(context.Background(), integration.RequestTimeout)
if _, err := dkapi.Create(ctx, "/_config/size", fmt.Sprintf("%d", size)); err != nil {
t.Fatal(err)
}
cancel()
c, err := e2e.NewEtcdProcessCluster(t, &e2e.EtcdProcessClusterConfig{
BasePort: 3000,
ClusterSize: size,
IsPeerTLS: peerTLS,
Discovery: dc.EndpointsV2()[0] + "/v2/keys",
})
if err != nil {
t.Fatalf("could not start etcd process cluster (%v)", err)
}
defer c.Close()
kubectl := []string{e2e.CtlBinPath, "--endpoints", strings.Join(c.EndpointsV3(), ",")}
if err := e2e.SpawnWithExpect(append(kubectl, "put", "key", "value"), "OK"); err != nil {
t.Fatal(err)
}
if err := e2e.SpawnWithExpect(append(kubectl, "get", "key"), "value"); err != nil {
t.Fatal(err)
}
}
func MustNewHTTPClient(t testutil.TB, eps []string, tls *transport.TLSInfo) client.Client {
cfgtls := transport.TLSInfo{}
if tls != nil {
cfgtls = *tls
}
cfg := client.Config{Transport: mustNewTransport(t, cfgtls), Endpoints: eps}
c, err := client.New(cfg)
if err != nil {
t.Fatal(err)
}
return c
}
func mustNewTransport(t testutil.TB, tlsInfo transport.TLSInfo) *http.Transport {
// tick in integration test is short, so 1s dial timeout could play well.
tr, err := transport.NewTimeoutTransport(tlsInfo, time.Second, rafthttp.ConnReadTimeout, rafthttp.ConnWriteTimeout)
if err != nil {
t.Fatal(err)
}
return tr
}