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cluster_read_config.go
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/
cluster_read_config.go
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// Copyright 2018 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 tester
import (
"errors"
"fmt"
"io/ioutil"
"net/url"
"path/filepath"
"strings"
"github.com/coreos/etcd/functional/rpcpb"
"go.uber.org/zap"
yaml "gopkg.in/yaml.v2"
)
func read(lg *zap.Logger, fpath string) (*Cluster, error) {
bts, err := ioutil.ReadFile(fpath)
if err != nil {
return nil, err
}
lg.Info("opened configuration file", zap.String("path", fpath))
clus := &Cluster{lg: lg}
if err = yaml.Unmarshal(bts, clus); err != nil {
return nil, err
}
if len(clus.Members) < 3 {
return nil, fmt.Errorf("len(clus.Members) expects at least 3, got %d", len(clus.Members))
}
for i, mem := range clus.Members {
if mem.BaseDir == "" {
return nil, fmt.Errorf("BaseDir cannot be empty (got %q)", mem.BaseDir)
}
if mem.EtcdLogPath == "" {
return nil, fmt.Errorf("EtcdLogPath cannot be empty (got %q)", mem.EtcdLogPath)
}
if mem.Etcd.Name == "" {
return nil, fmt.Errorf("'--name' cannot be empty (got %+v)", mem)
}
if mem.Etcd.DataDir == "" {
return nil, fmt.Errorf("'--data-dir' cannot be empty (got %+v)", mem)
}
if mem.Etcd.SnapshotCount == 0 {
return nil, fmt.Errorf("'--snapshot-count' cannot be 0 (got %+v)", mem.Etcd.SnapshotCount)
}
if mem.Etcd.DataDir == "" {
return nil, fmt.Errorf("'--data-dir' cannot be empty (got %q)", mem.Etcd.DataDir)
}
if mem.Etcd.WALDir == "" {
clus.Members[i].Etcd.WALDir = filepath.Join(mem.Etcd.DataDir, "member", "wal")
}
switch mem.Etcd.InitialClusterState {
case "new":
case "existing":
default:
return nil, fmt.Errorf("'--initial-cluster-state' got %q", mem.Etcd.InitialClusterState)
}
if mem.Etcd.HeartbeatIntervalMs == 0 {
return nil, fmt.Errorf("'--heartbeat-interval' cannot be 0 (got %+v)", mem.Etcd)
}
if mem.Etcd.ElectionTimeoutMs == 0 {
return nil, fmt.Errorf("'--election-timeout' cannot be 0 (got %+v)", mem.Etcd)
}
if int64(clus.Tester.DelayLatencyMs) <= mem.Etcd.ElectionTimeoutMs {
return nil, fmt.Errorf("delay latency %d ms must be greater than election timeout %d ms", clus.Tester.DelayLatencyMs, mem.Etcd.ElectionTimeoutMs)
}
port := ""
listenClientPorts := make([]string, len(clus.Members))
for i, u := range mem.Etcd.ListenClientURLs {
if !isValidURL(u) {
return nil, fmt.Errorf("'--listen-client-urls' has valid URL %q", u)
}
listenClientPorts[i], err = getPort(u)
if err != nil {
return nil, fmt.Errorf("'--listen-client-urls' has no port %q", u)
}
}
for i, u := range mem.Etcd.AdvertiseClientURLs {
if !isValidURL(u) {
return nil, fmt.Errorf("'--advertise-client-urls' has valid URL %q", u)
}
port, err = getPort(u)
if err != nil {
return nil, fmt.Errorf("'--advertise-client-urls' has no port %q", u)
}
if mem.EtcdClientProxy && listenClientPorts[i] == port {
return nil, fmt.Errorf("clus.Members[%d] requires client port proxy, but advertise port %q conflicts with listener port %q", i, port, listenClientPorts[i])
}
}
listenPeerPorts := make([]string, len(clus.Members))
for i, u := range mem.Etcd.ListenPeerURLs {
if !isValidURL(u) {
return nil, fmt.Errorf("'--listen-peer-urls' has valid URL %q", u)
}
listenPeerPorts[i], err = getPort(u)
if err != nil {
return nil, fmt.Errorf("'--listen-peer-urls' has no port %q", u)
}
}
for j, u := range mem.Etcd.AdvertisePeerURLs {
if !isValidURL(u) {
return nil, fmt.Errorf("'--initial-advertise-peer-urls' has valid URL %q", u)
}
port, err = getPort(u)
if err != nil {
return nil, fmt.Errorf("'--initial-advertise-peer-urls' has no port %q", u)
}
if mem.EtcdPeerProxy && listenPeerPorts[j] == port {
return nil, fmt.Errorf("clus.Members[%d] requires peer port proxy, but advertise port %q conflicts with listener port %q", i, port, listenPeerPorts[j])
}
}
if !strings.HasPrefix(mem.EtcdLogPath, mem.BaseDir) {
return nil, fmt.Errorf("EtcdLogPath must be prefixed with BaseDir (got %q)", mem.EtcdLogPath)
}
if !strings.HasPrefix(mem.Etcd.DataDir, mem.BaseDir) {
return nil, fmt.Errorf("Etcd.DataDir must be prefixed with BaseDir (got %q)", mem.Etcd.DataDir)
}
// TODO: support separate WALDir that can be handled via failure-archive
if !strings.HasPrefix(mem.Etcd.WALDir, mem.BaseDir) {
return nil, fmt.Errorf("Etcd.WALDir must be prefixed with BaseDir (got %q)", mem.Etcd.WALDir)
}
// TODO: only support generated certs with TLS generator
// deprecate auto TLS
if mem.Etcd.PeerAutoTLS && mem.Etcd.PeerCertFile != "" {
return nil, fmt.Errorf("Etcd.PeerAutoTLS 'true', but Etcd.PeerCertFile is %q", mem.Etcd.PeerCertFile)
}
if mem.Etcd.PeerAutoTLS && mem.Etcd.PeerKeyFile != "" {
return nil, fmt.Errorf("Etcd.PeerAutoTLS 'true', but Etcd.PeerKeyFile is %q", mem.Etcd.PeerKeyFile)
}
if mem.Etcd.PeerAutoTLS && mem.Etcd.PeerTrustedCAFile != "" {
return nil, fmt.Errorf("Etcd.PeerAutoTLS 'true', but Etcd.PeerTrustedCAFile is %q", mem.Etcd.PeerTrustedCAFile)
}
if mem.Etcd.ClientAutoTLS && mem.Etcd.ClientCertFile != "" {
return nil, fmt.Errorf("Etcd.ClientAutoTLS 'true', but Etcd.ClientCertFile is %q", mem.Etcd.ClientCertFile)
}
if mem.Etcd.ClientAutoTLS && mem.Etcd.ClientKeyFile != "" {
return nil, fmt.Errorf("Etcd.ClientAutoTLS 'true', but Etcd.ClientKeyFile is %q", mem.Etcd.ClientKeyFile)
}
if mem.Etcd.ClientAutoTLS && mem.Etcd.ClientTrustedCAFile != "" {
return nil, fmt.Errorf("Etcd.ClientAutoTLS 'true', but Etcd.ClientTrustedCAFile is %q", mem.Etcd.ClientTrustedCAFile)
}
if mem.Etcd.PeerClientCertAuth && mem.Etcd.PeerCertFile == "" {
return nil, fmt.Errorf("Etcd.PeerClientCertAuth 'true', but Etcd.PeerCertFile is %q", mem.Etcd.PeerCertFile)
}
if mem.Etcd.PeerClientCertAuth && mem.Etcd.PeerKeyFile == "" {
return nil, fmt.Errorf("Etcd.PeerClientCertAuth 'true', but Etcd.PeerKeyFile is %q", mem.Etcd.PeerCertFile)
}
// only support self-signed certs
if mem.Etcd.PeerClientCertAuth && mem.Etcd.PeerTrustedCAFile == "" {
return nil, fmt.Errorf("Etcd.PeerClientCertAuth 'true', but Etcd.PeerTrustedCAFile is %q", mem.Etcd.PeerCertFile)
}
if !mem.Etcd.PeerClientCertAuth && mem.Etcd.PeerCertFile != "" {
return nil, fmt.Errorf("Etcd.PeerClientCertAuth 'false', but Etcd.PeerCertFile is %q", mem.Etcd.PeerCertFile)
}
if !mem.Etcd.PeerClientCertAuth && mem.Etcd.PeerKeyFile != "" {
return nil, fmt.Errorf("Etcd.PeerClientCertAuth 'false', but Etcd.PeerKeyFile is %q", mem.Etcd.PeerCertFile)
}
if !mem.Etcd.PeerClientCertAuth && mem.Etcd.PeerTrustedCAFile != "" {
return nil, fmt.Errorf("Etcd.PeerClientCertAuth 'false', but Etcd.PeerTrustedCAFile is %q", mem.Etcd.PeerTrustedCAFile)
}
if mem.Etcd.PeerClientCertAuth && mem.Etcd.PeerAutoTLS {
return nil, fmt.Errorf("Etcd.PeerClientCertAuth and Etcd.PeerAutoTLS cannot be both 'true'")
}
if (mem.Etcd.PeerCertFile == "") != (mem.Etcd.PeerKeyFile == "") {
return nil, fmt.Errorf("Both Etcd.PeerCertFile %q and Etcd.PeerKeyFile %q must be either empty or non-empty", mem.Etcd.PeerCertFile, mem.Etcd.PeerKeyFile)
}
if mem.Etcd.ClientCertAuth && mem.Etcd.ClientAutoTLS {
return nil, fmt.Errorf("Etcd.ClientCertAuth and Etcd.ClientAutoTLS cannot be both 'true'")
}
if mem.Etcd.ClientCertAuth && mem.Etcd.ClientCertFile == "" {
return nil, fmt.Errorf("Etcd.ClientCertAuth 'true', but Etcd.ClientCertFile is %q", mem.Etcd.PeerCertFile)
}
if mem.Etcd.ClientCertAuth && mem.Etcd.ClientKeyFile == "" {
return nil, fmt.Errorf("Etcd.ClientCertAuth 'true', but Etcd.ClientKeyFile is %q", mem.Etcd.PeerCertFile)
}
if mem.Etcd.ClientCertAuth && mem.Etcd.ClientTrustedCAFile == "" {
return nil, fmt.Errorf("Etcd.ClientCertAuth 'true', but Etcd.ClientTrustedCAFile is %q", mem.Etcd.ClientTrustedCAFile)
}
if !mem.Etcd.ClientCertAuth && mem.Etcd.ClientCertFile != "" {
return nil, fmt.Errorf("Etcd.ClientCertAuth 'false', but Etcd.ClientCertFile is %q", mem.Etcd.PeerCertFile)
}
if !mem.Etcd.ClientCertAuth && mem.Etcd.ClientKeyFile != "" {
return nil, fmt.Errorf("Etcd.ClientCertAuth 'false', but Etcd.ClientKeyFile is %q", mem.Etcd.PeerCertFile)
}
if !mem.Etcd.ClientCertAuth && mem.Etcd.ClientTrustedCAFile != "" {
return nil, fmt.Errorf("Etcd.ClientCertAuth 'false', but Etcd.ClientTrustedCAFile is %q", mem.Etcd.PeerCertFile)
}
if (mem.Etcd.ClientCertFile == "") != (mem.Etcd.ClientKeyFile == "") {
return nil, fmt.Errorf("Both Etcd.ClientCertFile %q and Etcd.ClientKeyFile %q must be either empty or non-empty", mem.Etcd.ClientCertFile, mem.Etcd.ClientKeyFile)
}
peerTLS := mem.Etcd.PeerAutoTLS ||
(mem.Etcd.PeerClientCertAuth && mem.Etcd.PeerCertFile != "" && mem.Etcd.PeerKeyFile != "" && mem.Etcd.PeerTrustedCAFile != "")
if peerTLS {
for _, cu := range mem.Etcd.ListenPeerURLs {
var u *url.URL
u, err = url.Parse(cu)
if err != nil {
return nil, err
}
if u.Scheme != "https" { // TODO: support unix
return nil, fmt.Errorf("peer TLS is enabled with wrong scheme %q", cu)
}
}
for _, cu := range mem.Etcd.AdvertisePeerURLs {
var u *url.URL
u, err = url.Parse(cu)
if err != nil {
return nil, err
}
if u.Scheme != "https" { // TODO: support unix
return nil, fmt.Errorf("peer TLS is enabled with wrong scheme %q", cu)
}
}
clus.Members[i].PeerCertPath = mem.Etcd.PeerCertFile
if mem.Etcd.PeerCertFile != "" {
var data []byte
data, err = ioutil.ReadFile(mem.Etcd.PeerCertFile)
if err != nil {
return nil, fmt.Errorf("failed to read %q (%v)", mem.Etcd.PeerCertFile, err)
}
clus.Members[i].PeerCertData = string(data)
}
clus.Members[i].PeerKeyPath = mem.Etcd.PeerKeyFile
if mem.Etcd.PeerKeyFile != "" {
var data []byte
data, err = ioutil.ReadFile(mem.Etcd.PeerKeyFile)
if err != nil {
return nil, fmt.Errorf("failed to read %q (%v)", mem.Etcd.PeerKeyFile, err)
}
clus.Members[i].PeerCertData = string(data)
}
clus.Members[i].PeerTrustedCAPath = mem.Etcd.PeerTrustedCAFile
if mem.Etcd.PeerTrustedCAFile != "" {
var data []byte
data, err = ioutil.ReadFile(mem.Etcd.PeerTrustedCAFile)
if err != nil {
return nil, fmt.Errorf("failed to read %q (%v)", mem.Etcd.PeerTrustedCAFile, err)
}
clus.Members[i].PeerCertData = string(data)
}
}
clientTLS := mem.Etcd.ClientAutoTLS ||
(mem.Etcd.ClientCertAuth && mem.Etcd.ClientCertFile != "" && mem.Etcd.ClientKeyFile != "" && mem.Etcd.ClientTrustedCAFile != "")
if clientTLS {
for _, cu := range mem.Etcd.ListenClientURLs {
var u *url.URL
u, err = url.Parse(cu)
if err != nil {
return nil, err
}
if u.Scheme != "https" { // TODO: support unix
return nil, fmt.Errorf("client TLS is enabled with wrong scheme %q", cu)
}
}
for _, cu := range mem.Etcd.AdvertiseClientURLs {
var u *url.URL
u, err = url.Parse(cu)
if err != nil {
return nil, err
}
if u.Scheme != "https" { // TODO: support unix
return nil, fmt.Errorf("client TLS is enabled with wrong scheme %q", cu)
}
}
clus.Members[i].ClientCertPath = mem.Etcd.ClientCertFile
if mem.Etcd.ClientCertFile != "" {
var data []byte
data, err = ioutil.ReadFile(mem.Etcd.ClientCertFile)
if err != nil {
return nil, fmt.Errorf("failed to read %q (%v)", mem.Etcd.ClientCertFile, err)
}
clus.Members[i].ClientCertData = string(data)
}
clus.Members[i].ClientKeyPath = mem.Etcd.ClientKeyFile
if mem.Etcd.ClientKeyFile != "" {
var data []byte
data, err = ioutil.ReadFile(mem.Etcd.ClientKeyFile)
if err != nil {
return nil, fmt.Errorf("failed to read %q (%v)", mem.Etcd.ClientKeyFile, err)
}
clus.Members[i].ClientCertData = string(data)
}
clus.Members[i].ClientTrustedCAPath = mem.Etcd.ClientTrustedCAFile
if mem.Etcd.ClientTrustedCAFile != "" {
var data []byte
data, err = ioutil.ReadFile(mem.Etcd.ClientTrustedCAFile)
if err != nil {
return nil, fmt.Errorf("failed to read %q (%v)", mem.Etcd.ClientTrustedCAFile, err)
}
clus.Members[i].ClientCertData = string(data)
}
}
}
if len(clus.Tester.Cases) == 0 {
return nil, errors.New("Cases not found")
}
if clus.Tester.DelayLatencyMs <= clus.Tester.DelayLatencyMsRv*5 {
return nil, fmt.Errorf("delay latency %d ms must be greater than 5x of delay latency random variable %d ms", clus.Tester.DelayLatencyMs, clus.Tester.DelayLatencyMsRv)
}
if clus.Tester.UpdatedDelayLatencyMs == 0 {
clus.Tester.UpdatedDelayLatencyMs = clus.Tester.DelayLatencyMs
}
for _, v := range clus.Tester.Cases {
if _, ok := rpcpb.Case_value[v]; !ok {
return nil, fmt.Errorf("%q is not defined in 'rpcpb.Case_value'", v)
}
}
for _, v := range clus.Tester.Stressers {
if _, ok := rpcpb.Stresser_value[v]; !ok {
return nil, fmt.Errorf("Stresser is unknown; got %q", v)
}
}
for _, v := range clus.Tester.Checkers {
if _, ok := rpcpb.Checker_value[v]; !ok {
return nil, fmt.Errorf("Checker is unknown; got %q", v)
}
}
if clus.Tester.StressKeySuffixRangeTxn > 100 {
return nil, fmt.Errorf("StressKeySuffixRangeTxn maximum value is 100, got %v", clus.Tester.StressKeySuffixRangeTxn)
}
if clus.Tester.StressKeyTxnOps > 64 {
return nil, fmt.Errorf("StressKeyTxnOps maximum value is 64, got %v", clus.Tester.StressKeyTxnOps)
}
return clus, err
}