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7069369e03
1. Add a OpenTelemetry-like shim-layer to collect traces 2. Add a simple builtin trace collector and exporter, end users could download the diagnosis report to get the traces. This PR's design is quite lightweight, no hard-dependency, and it is easy to improve or remove. We can try it on gitea.com first to see whether it works well, and fine tune the details. --------- Co-authored-by: silverwind <me@silverwind.io>
74 lines
1.3 KiB
Go
74 lines
1.3 KiB
Go
// Copyright 2025 The Gitea Authors. All rights reserved.
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// SPDX-License-Identifier: MIT
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package tailmsg
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import (
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"sync"
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"time"
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)
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type MsgRecord struct {
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Time time.Time
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Content string
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}
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type MsgRecorder interface {
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Record(content string)
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GetRecords() []*MsgRecord
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}
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type memoryMsgRecorder struct {
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mu sync.RWMutex
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msgs []*MsgRecord
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limit int
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}
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// TODO: use redis for a clustered environment
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func (m *memoryMsgRecorder) Record(content string) {
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m.mu.Lock()
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defer m.mu.Unlock()
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m.msgs = append(m.msgs, &MsgRecord{
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Time: time.Now(),
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Content: content,
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})
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if len(m.msgs) > m.limit {
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m.msgs = m.msgs[len(m.msgs)-m.limit:]
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}
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}
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func (m *memoryMsgRecorder) GetRecords() []*MsgRecord {
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m.mu.RLock()
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defer m.mu.RUnlock()
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ret := make([]*MsgRecord, len(m.msgs))
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copy(ret, m.msgs)
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return ret
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}
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func NewMsgRecorder(limit int) MsgRecorder {
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return &memoryMsgRecorder{
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limit: limit,
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}
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}
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type Manager struct {
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traceRecorder MsgRecorder
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logRecorder MsgRecorder
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}
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func (m *Manager) GetTraceRecorder() MsgRecorder {
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return m.traceRecorder
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}
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func (m *Manager) GetLogRecorder() MsgRecorder {
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return m.logRecorder
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}
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var GetManager = sync.OnceValue(func() *Manager {
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return &Manager{
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traceRecorder: NewMsgRecorder(100),
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logRecorder: NewMsgRecorder(1000),
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}
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})
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