etcd/tests/e2e/ctl_v3_move_leader_test.go
2022-01-14 13:19:30 +01:00

132 lines
3.2 KiB
Go

// Copyright 2017 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"
"crypto/tls"
"fmt"
"os"
"testing"
"time"
"go.etcd.io/etcd/client/pkg/v3/transport"
"go.etcd.io/etcd/client/pkg/v3/types"
"go.etcd.io/etcd/client/v3"
"go.etcd.io/etcd/tests/v3/framework/e2e"
)
func TestCtlV3MoveLeaderSecure(t *testing.T) {
testCtlV3MoveLeader(t, *e2e.NewConfigTLS())
}
func TestCtlV3MoveLeaderInsecure(t *testing.T) {
testCtlV3MoveLeader(t, *e2e.NewConfigNoTLS())
}
func testCtlV3MoveLeader(t *testing.T, cfg e2e.EtcdProcessClusterConfig) {
e2e.BeforeTest(t)
epc := setupEtcdctlTest(t, &cfg, true)
defer func() {
if errC := epc.Close(); errC != nil {
t.Fatalf("error closing etcd processes (%v)", errC)
}
}()
var tcfg *tls.Config
if cfg.ClientTLS == e2e.ClientTLS {
tinfo := transport.TLSInfo{
CertFile: e2e.CertPath,
KeyFile: e2e.PrivateKeyPath,
TrustedCAFile: e2e.CaPath,
}
var err error
tcfg, err = tinfo.ClientConfig()
if err != nil {
t.Fatal(err)
}
}
var leadIdx int
var leaderID uint64
var transferee uint64
for i, ep := range epc.EndpointsV3() {
cli, err := clientv3.New(clientv3.Config{
Endpoints: []string{ep},
DialTimeout: 3 * time.Second,
TLS: tcfg,
})
if err != nil {
t.Fatal(err)
}
ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
resp, err := cli.Status(ctx, ep)
if err != nil {
t.Fatalf("failed to get status from endpoint %s: %v", ep, err)
}
cancel()
cli.Close()
if resp.Header.GetMemberId() == resp.Leader {
leadIdx = i
leaderID = resp.Leader
} else {
transferee = resp.Header.GetMemberId()
}
}
os.Setenv("ETCDCTL_API", "3")
defer os.Unsetenv("ETCDCTL_API")
cx := ctlCtx{
t: t,
cfg: *e2e.NewConfigNoTLS(),
dialTimeout: 7 * time.Second,
epc: epc,
}
tests := []struct {
eps []string
expect string
}{
{ // request to non-leader
[]string{cx.epc.EndpointsV3()[(leadIdx+1)%3]},
"no leader endpoint given at ",
},
{ // request to leader
[]string{cx.epc.EndpointsV3()[leadIdx]},
fmt.Sprintf("Leadership transferred from %s to %s", types.ID(leaderID), types.ID(transferee)),
},
}
for i, tc := range tests {
prefix := cx.prefixArgs(tc.eps)
cmdArgs := append(prefix, "move-leader", types.ID(transferee).String())
if err := e2e.SpawnWithExpectWithEnv(cmdArgs, cx.envMap, tc.expect); err != nil {
t.Fatalf("#%d: %v", i, err)
}
}
}
func setupEtcdctlTest(t *testing.T, cfg *e2e.EtcdProcessClusterConfig, quorum bool) *e2e.EtcdProcessCluster {
if !quorum {
cfg = e2e.ConfigStandalone(*cfg)
}
epc, err := e2e.NewEtcdProcessCluster(t, cfg)
if err != nil {
t.Fatalf("could not start etcd process cluster (%v)", err)
}
return epc
}