Deprecated gopid in log (#32932)

modules/log/event_format.go

@@ -13,7 +13,6 @@ import (
 type Event struct {
 	Time time.Time
 
-	GoroutinePid string
 	Caller   string
 	Filename string
 	Line     int
@@ -218,18 +217,17 @@ func EventFormatTextMessage(mode *WriterMode, event *Event, msgFormat string, ms
 	}
 
 	if flags&Lgopid == Lgopid {
-		if event.GoroutinePid != "" {
+		deprecatedGoroutinePid := "no-gopid" // use a dummy value to avoid breaking the log format
 		buf = append(buf, '[')
 		if mode.Colorize {
 			buf = append(buf, ColorBytes(FgHiYellow)...)
 		}
-			buf = append(buf, event.GoroutinePid...)
+		buf = append(buf, deprecatedGoroutinePid...)
 		if mode.Colorize {
 			buf = append(buf, resetBytes...)
 		}
 		buf = append(buf, ']', ' ')
 	}
-	}
 	buf = append(buf, msg...)
 
 	if event.Stacktrace != "" && mode.StacktraceLevel <= event.Level {

modules/log/event_format_test.go

@@ -28,14 +28,13 @@ func TestEventFormatTextMessage(t *testing.T) {
 			Caller:     "caller",
 			Filename:   "filename",
 			Line:       123,
-			GoroutinePid: "pid",
 			Level:      ERROR,
 			Stacktrace: "stacktrace",
 		},
 		"msg format: %v %v", "arg0", NewColoredValue("arg1", FgBlue),
 	)
 
-	assert.Equal(t, `[PREFIX] 2020/01/02 03:04:05.000000 filename:123:caller [E] [pid] msg format: arg0 arg1
+	assert.Equal(t, `[PREFIX] 2020/01/02 03:04:05.000000 filename:123:caller [E] [no-gopid] msg format: arg0 arg1
 	stacktrace
 
 `, string(res))
@@ -46,12 +45,11 @@ func TestEventFormatTextMessage(t *testing.T) {
 			Caller:     "caller",
 			Filename:   "filename",
 			Line:       123,
-			GoroutinePid: "pid",
 			Level:      ERROR,
 			Stacktrace: "stacktrace",
 		},
 		"msg format: %v %v", "arg0", NewColoredValue("arg1", FgBlue),
 	)
 
-	assert.Equal(t, "[PREFIX] \x1b[36m2020/01/02 03:04:05.000000 \x1b[0m\x1b[32mfilename:123:\x1b[32mcaller\x1b[0m \x1b[1;31m[E]\x1b[0m [\x1b[93mpid\x1b[0m] msg format: arg0 \x1b[34marg1\x1b[0m\n\tstacktrace\n\n", string(res))
+	assert.Equal(t, "[PREFIX] \x1b[36m2020/01/02 03:04:05.000000 \x1b[0m\x1b[32mfilename:123:\x1b[32mcaller\x1b[0m \x1b[1;31m[E]\x1b[0m [\x1b[93mno-gopid\x1b[0m] msg format: arg0 \x1b[34marg1\x1b[0m\n\tstacktrace\n\n", string(res))
 }

modules/log/flags.go

@@ -30,7 +30,7 @@ const (
 	LUTC                              // if Ldate or Ltime is set, use UTC rather than the local time zone
 	Llevelinitial                     // Initial character of the provided level in brackets, eg. [I] for info
 	Llevel                            // Provided level in brackets [INFO]
-	Lgopid                            // the Goroutine-PID of the context
+	Lgopid                            // the Goroutine-PID of the context, deprecated and it is always a const value
 
 	Lmedfile  = Lshortfile | Llongfile                                    // last 20 characters of the filename
 	LstdFlags = Ldate | Ltime | Lmedfile | Lshortfuncname | Llevelinitial // default

modules/log/groutinelabel.go

@@ -1,19 +0,0 @@
-// Copyright 2022 The Gitea Authors. All rights reserved.
-// SPDX-License-Identifier: MIT
-
-package log
-
-import "unsafe"
-
-//go:linkname runtime_getProfLabel runtime/pprof.runtime_getProfLabel
-func runtime_getProfLabel() unsafe.Pointer //nolint
-
-type labelMap map[string]string
-
-func getGoroutineLabels() map[string]string {
-	l := (*labelMap)(runtime_getProfLabel())
-	if l == nil {
-		return nil
-	}
-	return *l
-}

modules/log/groutinelabel_test.go

@@ -1,33 +0,0 @@
-// Copyright 2022 The Gitea Authors. All rights reserved.
-// SPDX-License-Identifier: MIT
-
-package log
-
-import (
-	"context"
-	"runtime/pprof"
-	"testing"
-
-	"github.com/stretchr/testify/assert"
-)
-
-func Test_getGoroutineLabels(t *testing.T) {
-	pprof.Do(context.Background(), pprof.Labels(), func(ctx context.Context) {
-		currentLabels := getGoroutineLabels()
-		pprof.ForLabels(ctx, func(key, value string) bool {
-			assert.EqualValues(t, value, currentLabels[key])
-			return true
-		})
-
-		pprof.Do(ctx, pprof.Labels("Test_getGoroutineLabels", "Test_getGoroutineLabels_child1"), func(ctx context.Context) {
-			currentLabels := getGoroutineLabels()
-			pprof.ForLabels(ctx, func(key, value string) bool {
-				assert.EqualValues(t, value, currentLabels[key])
-				return true
-			})
-			if assert.NotNil(t, currentLabels) {
-				assert.EqualValues(t, "Test_getGoroutineLabels_child1", currentLabels["Test_getGoroutineLabels"])
-			}
-		})
-	})
-}

modules/log/logger_impl.go

@@ -200,11 +200,6 @@ func (l *LoggerImpl) Log(skip int, level Level, format string, logArgs ...any) {
 		event.Stacktrace = Stack(skip + 1)
 	}
 
-	labels := getGoroutineLabels()
-	if labels != nil {
-		event.GoroutinePid = labels["pid"]
-	}
-
 	// get a simple text message without color
 	msgArgs := make([]any, len(logArgs))
 	copy(msgArgs, logArgs)