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## ⚠️ Breaking The `log.<mode>.<logger>` style config has been dropped. If you used it, please check the new config manual & app.example.ini to make your instance output logs as expected. Although many legacy options still work, it's encouraged to upgrade to the new options. The SMTP logger is deleted because SMTP is not suitable to collect logs. If you have manually configured Gitea log options, please confirm the logger system works as expected after upgrading. ## Description Close #12082 and maybe more log-related issues, resolve some related FIXMEs in old code (which seems unfixable before) Just like rewriting queue #24505 : make code maintainable, clear legacy bugs, and add the ability to support more writers (eg: JSON, structured log) There is a new document (with examples): `logging-config.en-us.md` This PR is safer than the queue rewriting, because it's just for logging, it won't break other logic. ## The old problems The logging system is quite old and difficult to maintain: * Unclear concepts: Logger, NamedLogger, MultiChannelledLogger, SubLogger, EventLogger, WriterLogger etc * Some code is diffuclt to konw whether it is right: `log.DelNamedLogger("console")` vs `log.DelNamedLogger(log.DEFAULT)` vs `log.DelLogger("console")` * The old system heavily depends on ini config system, it's difficult to create new logger for different purpose, and it's very fragile. * The "color" trick is difficult to use and read, many colors are unnecessary, and in the future structured log could help * It's difficult to add other log formats, eg: JSON format * The log outputer doesn't have full control of its goroutine, it's difficult to make outputer have advanced behaviors * The logs could be lost in some cases: eg: no Fatal error when using CLI. * Config options are passed by JSON, which is quite fragile. * INI package makes the KEY in `[log]` section visible in `[log.sub1]` and `[log.sub1.subA]`, this behavior is quite fragile and would cause more unclear problems, and there is no strong requirement to support `log.<mode>.<logger>` syntax. ## The new design See `logger.go` for documents. ## Screenshot <details>    </details> ## TODO * [x] add some new tests * [x] fix some tests * [x] test some sub-commands (manually ....) --------- Co-authored-by: Jason Song <i@wolfogre.com> Co-authored-by: delvh <dev.lh@web.de> Co-authored-by: Giteabot <teabot@gitea.io>
387 lines
7.8 KiB
Go
387 lines
7.8 KiB
Go
// Copyright 2019 The Gitea Authors. All rights reserved.
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// SPDX-License-Identifier: MIT
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package setting
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import (
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"path/filepath"
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"strings"
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"testing"
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"code.gitea.io/gitea/modules/json"
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"code.gitea.io/gitea/modules/log"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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)
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func initLoggersByConfig(t *testing.T, config string) (*log.LoggerManager, func()) {
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oldLogConfig := Log
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Log = LogGlobalConfig{}
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defer func() {
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Log = oldLogConfig
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}()
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cfg, err := NewConfigProviderFromData(config)
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assert.NoError(t, err)
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manager := log.NewManager()
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initManagedLoggers(manager, cfg)
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return manager, manager.Close
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}
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func toJSON(v interface{}) string {
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b, _ := json.MarshalIndent(v, "", "\t")
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return string(b)
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}
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func TestLogConfigDefault(t *testing.T) {
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manager, managerClose := initLoggersByConfig(t, ``)
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defer managerClose()
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writerDump := `
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{
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"console": {
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"BufferLen": 10000,
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"Colorize": false,
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"Expression": "",
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"Flags": "stdflags",
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"Level": "info",
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"Prefix": "",
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"StacktraceLevel": "none",
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"WriterOption": {
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"Stderr": false
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},
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"WriterType": "console"
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}
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}
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`
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dump := manager.GetLogger(log.DEFAULT).DumpWriters()
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require.JSONEq(t, writerDump, toJSON(dump))
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dump = manager.GetLogger("access").DumpWriters()
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require.JSONEq(t, "{}", toJSON(dump))
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dump = manager.GetLogger("router").DumpWriters()
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require.JSONEq(t, writerDump, toJSON(dump))
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dump = manager.GetLogger("xorm").DumpWriters()
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require.JSONEq(t, writerDump, toJSON(dump))
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}
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func TestLogConfigDisable(t *testing.T) {
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manager, managerClose := initLoggersByConfig(t, `
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[log]
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logger.router.MODE =
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logger.xorm.MODE =
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`)
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defer managerClose()
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writerDump := `
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{
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"console": {
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"BufferLen": 10000,
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"Colorize": false,
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"Expression": "",
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"Flags": "stdflags",
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"Level": "info",
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"Prefix": "",
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"StacktraceLevel": "none",
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"WriterOption": {
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"Stderr": false
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},
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"WriterType": "console"
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}
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}
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`
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dump := manager.GetLogger(log.DEFAULT).DumpWriters()
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require.JSONEq(t, writerDump, toJSON(dump))
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dump = manager.GetLogger("access").DumpWriters()
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require.JSONEq(t, "{}", toJSON(dump))
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dump = manager.GetLogger("router").DumpWriters()
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require.JSONEq(t, "{}", toJSON(dump))
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dump = manager.GetLogger("xorm").DumpWriters()
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require.JSONEq(t, "{}", toJSON(dump))
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}
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func TestLogConfigLegacyDefault(t *testing.T) {
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manager, managerClose := initLoggersByConfig(t, `
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[log]
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MODE = console
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`)
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defer managerClose()
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writerDump := `
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{
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"console": {
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"BufferLen": 10000,
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"Colorize": false,
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"Expression": "",
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"Flags": "stdflags",
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"Level": "info",
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"Prefix": "",
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"StacktraceLevel": "none",
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"WriterOption": {
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"Stderr": false
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},
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"WriterType": "console"
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}
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}
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`
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dump := manager.GetLogger(log.DEFAULT).DumpWriters()
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require.JSONEq(t, writerDump, toJSON(dump))
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dump = manager.GetLogger("access").DumpWriters()
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require.JSONEq(t, "{}", toJSON(dump))
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dump = manager.GetLogger("router").DumpWriters()
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require.JSONEq(t, writerDump, toJSON(dump))
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dump = manager.GetLogger("xorm").DumpWriters()
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require.JSONEq(t, writerDump, toJSON(dump))
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}
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func TestLogConfigLegacyMode(t *testing.T) {
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tempDir := t.TempDir()
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tempPath := func(file string) string {
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return filepath.Join(tempDir, file)
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}
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manager, managerClose := initLoggersByConfig(t, `
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[log]
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ROOT_PATH = `+tempDir+`
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MODE = file
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ROUTER = file
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ACCESS = file
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`)
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defer managerClose()
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writerDump := `
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{
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"file": {
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"BufferLen": 10000,
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"Colorize": false,
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"Expression": "",
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"Flags": "stdflags",
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"Level": "info",
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"Prefix": "",
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"StacktraceLevel": "none",
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"WriterOption": {
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"Compress": true,
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"CompressionLevel": -1,
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"DailyRotate": true,
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"FileName": "$FILENAME",
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"LogRotate": true,
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"MaxDays": 7,
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"MaxSize": 268435456
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},
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"WriterType": "file"
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}
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}
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`
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writerDumpAccess := `
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{
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"file.access": {
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"BufferLen": 10000,
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"Colorize": false,
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"Expression": "",
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"Flags": "none",
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"Level": "info",
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"Prefix": "",
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"StacktraceLevel": "none",
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"WriterOption": {
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"Compress": true,
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"CompressionLevel": -1,
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"DailyRotate": true,
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"FileName": "$FILENAME",
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"LogRotate": true,
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"MaxDays": 7,
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"MaxSize": 268435456
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},
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"WriterType": "file"
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}
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}
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`
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dump := manager.GetLogger(log.DEFAULT).DumpWriters()
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require.JSONEq(t, strings.ReplaceAll(writerDump, "$FILENAME", tempPath("gitea.log")), toJSON(dump))
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dump = manager.GetLogger("access").DumpWriters()
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require.JSONEq(t, strings.ReplaceAll(writerDumpAccess, "$FILENAME", tempPath("access.log")), toJSON(dump))
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dump = manager.GetLogger("router").DumpWriters()
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require.JSONEq(t, strings.ReplaceAll(writerDump, "$FILENAME", tempPath("gitea.log")), toJSON(dump))
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}
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func TestLogConfigLegacyModeDisable(t *testing.T) {
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manager, managerClose := initLoggersByConfig(t, `
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[log]
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ROUTER = file
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ACCESS = file
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DISABLE_ROUTER_LOG = true
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ENABLE_ACCESS_LOG = false
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`)
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defer managerClose()
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dump := manager.GetLogger("access").DumpWriters()
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require.JSONEq(t, "{}", toJSON(dump))
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dump = manager.GetLogger("router").DumpWriters()
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require.JSONEq(t, "{}", toJSON(dump))
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}
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func TestLogConfigNewConfig(t *testing.T) {
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manager, managerClose := initLoggersByConfig(t, `
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[log]
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logger.access.MODE = console
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logger.xorm.MODE = console, console-1
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[log.console]
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LEVEL = warn
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[log.console-1]
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MODE = console
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LEVEL = error
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STDERR = true
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`)
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defer managerClose()
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writerDump := `
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{
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"console": {
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"BufferLen": 10000,
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"Colorize": false,
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"Expression": "",
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"Flags": "stdflags",
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"Level": "warn",
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"Prefix": "",
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"StacktraceLevel": "none",
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"WriterOption": {
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"Stderr": false
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},
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"WriterType": "console"
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},
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"console-1": {
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"BufferLen": 10000,
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"Colorize": false,
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"Expression": "",
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"Flags": "stdflags",
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"Level": "error",
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"Prefix": "",
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"StacktraceLevel": "none",
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"WriterOption": {
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"Stderr": true
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},
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"WriterType": "console"
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}
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}
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`
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writerDumpAccess := `
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{
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"console.access": {
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"BufferLen": 10000,
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"Colorize": false,
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"Expression": "",
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"Flags": "none",
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"Level": "warn",
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"Prefix": "",
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"StacktraceLevel": "none",
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"WriterOption": {
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"Stderr": false
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},
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"WriterType": "console"
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}
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}
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`
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dump := manager.GetLogger("xorm").DumpWriters()
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require.JSONEq(t, writerDump, toJSON(dump))
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dump = manager.GetLogger("access").DumpWriters()
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require.JSONEq(t, writerDumpAccess, toJSON(dump))
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}
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func TestLogConfigModeFile(t *testing.T) {
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tempDir := t.TempDir()
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tempPath := func(file string) string {
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return filepath.Join(tempDir, file)
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}
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manager, managerClose := initLoggersByConfig(t, `
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[log]
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ROOT_PATH = `+tempDir+`
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BUFFER_LEN = 10
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MODE = file, file1
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[log.file1]
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MODE = file
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LEVEL = error
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STACKTRACE_LEVEL = fatal
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EXPRESSION = filter
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FLAGS = medfile
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PREFIX = "[Prefix] "
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FILE_NAME = file-xxx.log
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LOG_ROTATE = false
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MAX_SIZE_SHIFT = 1
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DAILY_ROTATE = false
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MAX_DAYS = 90
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COMPRESS = false
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COMPRESSION_LEVEL = 4
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`)
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defer managerClose()
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writerDump := `
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{
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"file": {
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"BufferLen": 10,
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"Colorize": false,
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"Expression": "",
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"Flags": "stdflags",
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"Level": "info",
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"Prefix": "",
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"StacktraceLevel": "none",
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"WriterOption": {
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"Compress": true,
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"CompressionLevel": -1,
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"DailyRotate": true,
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"FileName": "$FILENAME-0",
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"LogRotate": true,
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"MaxDays": 7,
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"MaxSize": 268435456
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},
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"WriterType": "file"
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},
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"file1": {
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"BufferLen": 10,
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"Colorize": false,
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"Expression": "filter",
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"Flags": "medfile",
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"Level": "error",
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"Prefix": "[Prefix] ",
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"StacktraceLevel": "fatal",
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"WriterOption": {
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"Compress": false,
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"CompressionLevel": 4,
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"DailyRotate": false,
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"FileName": "$FILENAME-1",
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"LogRotate": false,
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"MaxDays": 90,
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"MaxSize": 2
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},
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"WriterType": "file"
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}
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}
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`
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dump := manager.GetLogger(log.DEFAULT).DumpWriters()
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expected := writerDump
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expected = strings.ReplaceAll(expected, "$FILENAME-0", tempPath("gitea.log"))
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expected = strings.ReplaceAll(expected, "$FILENAME-1", tempPath("file-xxx.log"))
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require.JSONEq(t, expected, toJSON(dump))
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}
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