mirror of
https://github.com/minio/minio.git
synced 2024-12-25 06:35:56 -05:00
117 lines
2.7 KiB
Go
117 lines
2.7 KiB
Go
// Copyright (c) 2015-2023 MinIO, Inc.
|
|
//
|
|
// This file is part of MinIO Object Storage stack
|
|
//
|
|
// This program is free software: you can redistribute it and/or modify
|
|
// it under the terms of the GNU Affero General Public License as published by
|
|
// the Free Software Foundation, either version 3 of the License, or
|
|
// (at your option) any later version.
|
|
//
|
|
// This program is distributed in the hope that it will be useful
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
// GNU Affero General Public License for more details.
|
|
//
|
|
// You should have received a copy of the GNU Affero General Public License
|
|
// along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
package cmd
|
|
|
|
import (
|
|
"context"
|
|
"fmt"
|
|
"sync"
|
|
"time"
|
|
|
|
"github.com/minio/madmin-go/v3"
|
|
"github.com/minio/minio/internal/pubsub"
|
|
)
|
|
|
|
const bootstrapMsgsLimit = 4 << 10
|
|
|
|
type bootstrapInfo struct {
|
|
msg string
|
|
ts time.Time
|
|
source string
|
|
}
|
|
type bootstrapTracer struct {
|
|
mu sync.RWMutex
|
|
idx int
|
|
info [bootstrapMsgsLimit]bootstrapInfo
|
|
lastUpdate time.Time
|
|
}
|
|
|
|
var globalBootstrapTracer = &bootstrapTracer{}
|
|
|
|
func (bs *bootstrapTracer) DropEvents() {
|
|
bs.mu.Lock()
|
|
defer bs.mu.Unlock()
|
|
|
|
if time.Now().UTC().Sub(bs.lastUpdate) > 24*time.Hour {
|
|
bs.info = [4096]bootstrapInfo{}
|
|
bs.idx = 0
|
|
}
|
|
}
|
|
|
|
func (bs *bootstrapTracer) Empty() bool {
|
|
var empty bool
|
|
bs.mu.RLock()
|
|
empty = bs.info[0].msg == ""
|
|
bs.mu.RUnlock()
|
|
|
|
return empty
|
|
}
|
|
|
|
func (bs *bootstrapTracer) Record(msg string, skip int) {
|
|
source := getSource(skip + 1)
|
|
bs.mu.Lock()
|
|
now := time.Now().UTC()
|
|
bs.info[bs.idx] = bootstrapInfo{
|
|
msg: msg,
|
|
ts: now,
|
|
source: source,
|
|
}
|
|
bs.lastUpdate = now
|
|
bs.idx = (bs.idx + 1) % bootstrapMsgsLimit
|
|
bs.mu.Unlock()
|
|
}
|
|
|
|
func (bs *bootstrapTracer) Events() []madmin.TraceInfo {
|
|
traceInfo := make([]madmin.TraceInfo, 0, bootstrapMsgsLimit)
|
|
|
|
// Add all messages in order
|
|
addAll := func(info []bootstrapInfo) {
|
|
for _, msg := range info {
|
|
if msg.ts.IsZero() {
|
|
continue // skip empty events
|
|
}
|
|
traceInfo = append(traceInfo, madmin.TraceInfo{
|
|
TraceType: madmin.TraceBootstrap,
|
|
Time: msg.ts,
|
|
NodeName: globalLocalNodeName,
|
|
FuncName: "BOOTSTRAP",
|
|
Message: fmt.Sprintf("%s %s", msg.source, msg.msg),
|
|
})
|
|
}
|
|
}
|
|
|
|
bs.mu.RLock()
|
|
addAll(bs.info[bs.idx:])
|
|
addAll(bs.info[:bs.idx])
|
|
bs.mu.RUnlock()
|
|
return traceInfo
|
|
}
|
|
|
|
func (bs *bootstrapTracer) Publish(ctx context.Context, trace *pubsub.PubSub[madmin.TraceInfo, madmin.TraceType]) {
|
|
if bs.Empty() {
|
|
return
|
|
}
|
|
for _, bsEvent := range bs.Events() {
|
|
select {
|
|
case <-ctx.Done():
|
|
default:
|
|
trace.Publish(bsEvent)
|
|
}
|
|
}
|
|
}
|