minio/cmd/bootstrap-messages.go

69 lines
1.7 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"
"sync"
"github.com/minio/madmin-go/v3"
"github.com/minio/minio/internal/pubsub"
)
const bootstrapTraceLimit = 4 << 10
type bootstrapTracer struct {
mu sync.RWMutex
info []madmin.TraceInfo
}
var globalBootstrapTracer = &bootstrapTracer{}
func (bs *bootstrapTracer) Record(info madmin.TraceInfo) {
bs.mu.Lock()
defer bs.mu.Unlock()
if len(bs.info) > bootstrapTraceLimit {
return
}
bs.info = append(bs.info, info)
}
func (bs *bootstrapTracer) Events() []madmin.TraceInfo {
traceInfo := make([]madmin.TraceInfo, 0, bootstrapTraceLimit)
bs.mu.RLock()
for _, i := range bs.info {
traceInfo = append(traceInfo, i)
}
bs.mu.RUnlock()
return traceInfo
}
func (bs *bootstrapTracer) Publish(ctx context.Context, trace *pubsub.PubSub[madmin.TraceInfo, madmin.TraceType]) {
for _, bsEvent := range bs.Events() {
if bsEvent.Message != "" {
select {
case <-ctx.Done():
default:
trace.Publish(bsEvent)
}
}
}
}