reject bootup, if binaries are different in a cluster (#19968)

This commit is contained in:
Harshavardhana 2024-06-21 07:49:49 -07:00 committed by GitHub
parent 70078eab10
commit dfab400d43
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GPG key ID: B5690EEEBB952194
2 changed files with 54 additions and 7 deletions

View file

@ -19,9 +19,13 @@ package cmd
import (
"context"
"crypto/md5"
"encoding/hex"
"errors"
"fmt"
"io"
"math/rand"
"os"
"reflect"
"strings"
"sync"
@ -43,10 +47,15 @@ type ServerSystemConfig struct {
NEndpoints int
CmdLines []string
MinioEnv map[string]string
Checksum string
}
// Diff - returns error on first difference found in two configs.
func (s1 *ServerSystemConfig) Diff(s2 *ServerSystemConfig) error {
if s1.Checksum != s2.Checksum {
return fmt.Errorf("Expected MinIO binary checksum: %s, seen: %s", s1.Checksum, s2.Checksum)
}
ns1 := s1.NEndpoints
ns2 := s2.NEndpoints
if ns1 != ns2 {
@ -82,7 +91,7 @@ func (s1 *ServerSystemConfig) Diff(s2 *ServerSystemConfig) error {
extra = append(extra, k)
}
}
msg := "Expected same MINIO_ environment variables and values across all servers: "
msg := "Expected MINIO_* environment name and values across all servers to be same: "
if len(missing) > 0 {
msg += fmt.Sprintf(`Missing environment values: %v. `, missing)
}
@ -120,7 +129,7 @@ func getServerSystemCfg() *ServerSystemConfig {
}
envValues[envK] = logger.HashString(env.Get(envK, ""))
}
scfg := &ServerSystemConfig{NEndpoints: globalEndpoints.NEndpoints(), MinioEnv: envValues}
scfg := &ServerSystemConfig{NEndpoints: globalEndpoints.NEndpoints(), MinioEnv: envValues, Checksum: binaryChecksum}
var cmdLines []string
for _, ep := range globalEndpoints {
cmdLines = append(cmdLines, ep.CmdLine)
@ -167,6 +176,18 @@ func (client *bootstrapRESTClient) String() string {
return client.gridConn.String()
}
var binaryChecksum = getBinaryChecksum()
func getBinaryChecksum() string {
mw := md5.New()
b, err := os.Open(os.Args[0])
if err == nil {
defer b.Close()
io.Copy(mw, b)
}
return hex.EncodeToString(mw.Sum(nil))
}
func verifyServerSystemConfig(ctx context.Context, endpointServerPools EndpointServerPools, gm *grid.Manager) error {
srcCfg := getServerSystemCfg()
clnts := newBootstrapRESTClients(endpointServerPools, gm)
@ -196,7 +217,7 @@ func verifyServerSystemConfig(ctx context.Context, endpointServerPools EndpointS
err := clnt.Verify(ctx, srcCfg)
mu.Lock()
if err != nil {
bootstrapTraceMsg(fmt.Sprintf("clnt.Verify: %v, endpoint: %s", err, clnt))
bootstrapTraceMsg(fmt.Sprintf("bootstrapVerify: %v, endpoint: %s", err, clnt))
if !isNetworkError(err) {
bootLogOnceIf(context.Background(), fmt.Errorf("%s has incorrect configuration: %w", clnt, err), "incorrect_"+clnt.String())
incorrectConfigs = append(incorrectConfigs, fmt.Errorf("%s has incorrect configuration: %w", clnt, err))

View file

@ -79,6 +79,12 @@ func (z *ServerSystemConfig) DecodeMsg(dc *msgp.Reader) (err error) {
}
z.MinioEnv[za0002] = za0003
}
case "Checksum":
z.Checksum, err = dc.ReadString()
if err != nil {
err = msgp.WrapError(err, "Checksum")
return
}
default:
err = dc.Skip()
if err != nil {
@ -92,9 +98,9 @@ func (z *ServerSystemConfig) DecodeMsg(dc *msgp.Reader) (err error) {
// EncodeMsg implements msgp.Encodable
func (z *ServerSystemConfig) EncodeMsg(en *msgp.Writer) (err error) {
// map header, size 3
// map header, size 4
// write "NEndpoints"
err = en.Append(0x83, 0xaa, 0x4e, 0x45, 0x6e, 0x64, 0x70, 0x6f, 0x69, 0x6e, 0x74, 0x73)
err = en.Append(0x84, 0xaa, 0x4e, 0x45, 0x6e, 0x64, 0x70, 0x6f, 0x69, 0x6e, 0x74, 0x73)
if err != nil {
return
}
@ -142,15 +148,25 @@ func (z *ServerSystemConfig) EncodeMsg(en *msgp.Writer) (err error) {
return
}
}
// write "Checksum"
err = en.Append(0xa8, 0x43, 0x68, 0x65, 0x63, 0x6b, 0x73, 0x75, 0x6d)
if err != nil {
return
}
err = en.WriteString(z.Checksum)
if err != nil {
err = msgp.WrapError(err, "Checksum")
return
}
return
}
// MarshalMsg implements msgp.Marshaler
func (z *ServerSystemConfig) MarshalMsg(b []byte) (o []byte, err error) {
o = msgp.Require(b, z.Msgsize())
// map header, size 3
// map header, size 4
// string "NEndpoints"
o = append(o, 0x83, 0xaa, 0x4e, 0x45, 0x6e, 0x64, 0x70, 0x6f, 0x69, 0x6e, 0x74, 0x73)
o = append(o, 0x84, 0xaa, 0x4e, 0x45, 0x6e, 0x64, 0x70, 0x6f, 0x69, 0x6e, 0x74, 0x73)
o = msgp.AppendInt(o, z.NEndpoints)
// string "CmdLines"
o = append(o, 0xa8, 0x43, 0x6d, 0x64, 0x4c, 0x69, 0x6e, 0x65, 0x73)
@ -165,6 +181,9 @@ func (z *ServerSystemConfig) MarshalMsg(b []byte) (o []byte, err error) {
o = msgp.AppendString(o, za0002)
o = msgp.AppendString(o, za0003)
}
// string "Checksum"
o = append(o, 0xa8, 0x43, 0x68, 0x65, 0x63, 0x6b, 0x73, 0x75, 0x6d)
o = msgp.AppendString(o, z.Checksum)
return
}
@ -241,6 +260,12 @@ func (z *ServerSystemConfig) UnmarshalMsg(bts []byte) (o []byte, err error) {
}
z.MinioEnv[za0002] = za0003
}
case "Checksum":
z.Checksum, bts, err = msgp.ReadStringBytes(bts)
if err != nil {
err = msgp.WrapError(err, "Checksum")
return
}
default:
bts, err = msgp.Skip(bts)
if err != nil {
@ -266,5 +291,6 @@ func (z *ServerSystemConfig) Msgsize() (s int) {
s += msgp.StringPrefixSize + len(za0002) + msgp.StringPrefixSize + len(za0003)
}
}
s += 9 + msgp.StringPrefixSize + len(z.Checksum)
return
}