logotel/share default pool with logjson;

bunrouterotel/go.mod

@@ -3,7 +3,7 @@ module git.blauwelle.com/go/crate/bunrouterotel
 go 1.21.1
 
 require (
-	github.com/uptrace/bunrouter v1.0.20
+	github.com/uptrace/bunrouter v1.0.21
 	go.opentelemetry.io/otel v1.21.0
 	go.opentelemetry.io/otel/trace v1.21.0
 )

bunrouterotel/go.sum

@@ -1,32 +1,22 @@
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/go-logr/logr v1.2.2/go.mod h1:jdQByPbusPIv2/zmleS9BjJVeZ6kBagPoEUsqbVz/1A=
-github.com/go-logr/logr v1.2.4 h1:g01GSCwiDw2xSZfjJ2/T9M+S6pFdcNtFYsp+Y43HYDQ=
-github.com/go-logr/logr v1.2.4/go.mod h1:jdQByPbusPIv2/zmleS9BjJVeZ6kBagPoEUsqbVz/1A=
-github.com/go-logr/logr v1.3.0 h1:2y3SDp0ZXuc6/cjLSZ+Q3ir+QB9T/iG5yYRXqsagWSY=
-github.com/go-logr/logr v1.3.0/go.mod h1:9T104GzyrTigFIr8wt5mBrctHMim0Nb2HLGrmQ40KvY=
 github.com/go-logr/logr v1.4.1 h1:pKouT5E8xu9zeFC39JXRDukb6JFQPXM5p5I91188VAQ=
 github.com/go-logr/logr v1.4.1/go.mod h1:9T104GzyrTigFIr8wt5mBrctHMim0Nb2HLGrmQ40KvY=
 github.com/go-logr/stdr v1.2.2 h1:hSWxHoqTgW2S2qGc0LTAI563KZ5YKYRhT3MFKZMbjag=
 github.com/go-logr/stdr v1.2.2/go.mod h1:mMo/vtBO5dYbehREoey6XUKy/eSumjCCveDpRre4VKE=
-github.com/google/go-cmp v0.5.9 h1:O2Tfq5qg4qc4AmwVlvv0oLiVAGB7enBSJ2x2DqQFi38=
-github.com/google/go-cmp v0.5.9/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
+github.com/google/go-cmp v0.6.0 h1:ofyhxvXcZhMsU5ulbFiLKl/XBFqE1GSq7atu8tAmTRI=
+github.com/google/go-cmp v0.6.0/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/stretchr/testify v1.8.4 h1:CcVxjf3Q8PM0mHUKJCdn+eZZtm5yQwehR5yeSVQQcUk=
 github.com/stretchr/testify v1.8.4/go.mod h1:sz/lmYIOXD/1dqDmKjjqLyZ2RngseejIcXlSw2iwfAo=
-github.com/uptrace/bunrouter v1.0.20 h1:jNvYNcJxF+lSYBQAaQjnE6I11Zs0m+3M5Ek7fq/Tp4c=
-github.com/uptrace/bunrouter v1.0.20/go.mod h1:TwT7Bc0ztF2Z2q/ZzMuSVkcb/Ig/d3MQeP2cxn3e1hI=
-go.opentelemetry.io/otel v1.19.0 h1:MuS/TNf4/j4IXsZuJegVzI1cwut7Qc00344rgH7p8bs=
-go.opentelemetry.io/otel v1.19.0/go.mod h1:i0QyjOq3UPoTzff0PJB2N66fb4S0+rSbSB15/oyH9fY=
+github.com/uptrace/bunrouter v1.0.21 h1:HXarvX+N834sXyHpl+I/TuE11m19kLW/qG5u3YpHUag=
+github.com/uptrace/bunrouter v1.0.21/go.mod h1:TwT7Bc0ztF2Z2q/ZzMuSVkcb/Ig/d3MQeP2cxn3e1hI=
 go.opentelemetry.io/otel v1.21.0 h1:hzLeKBZEL7Okw2mGzZ0cc4k/A7Fta0uoPgaJCr8fsFc=
 go.opentelemetry.io/otel v1.21.0/go.mod h1:QZzNPQPm1zLX4gZK4cMi+71eaorMSGT3A4znnUvNNEo=
-go.opentelemetry.io/otel/metric v1.19.0 h1:aTzpGtV0ar9wlV4Sna9sdJyII5jTVJEvKETPiOKwvpE=
-go.opentelemetry.io/otel/metric v1.19.0/go.mod h1:L5rUsV9kM1IxCj1MmSdS+JQAcVm319EUrDVLrt7jqt8=
 go.opentelemetry.io/otel/metric v1.21.0 h1:tlYWfeo+Bocx5kLEloTjbcDwBuELRrIFxwdQ36PlJu4=
 go.opentelemetry.io/otel/metric v1.21.0/go.mod h1:o1p3CA8nNHW8j5yuQLdc1eeqEaPfzug24uvsyIEJRWM=
-go.opentelemetry.io/otel/trace v1.19.0 h1:DFVQmlVbfVeOuBRrwdtaehRrWiL1JoVs9CPIQ1Dzxpg=
-go.opentelemetry.io/otel/trace v1.19.0/go.mod h1:mfaSyvGyEJEI0nyV2I4qhNQnbBOUUmYZpYojqMnX2vo=
 go.opentelemetry.io/otel/trace v1.21.0 h1:WD9i5gzvoUPuXIXH24ZNBudiarZDKuekPqi/E8fpfLc=
 go.opentelemetry.io/otel/trace v1.21.0/go.mod h1:LGbsEB0f9LGjN+OZaQQ26sohbOmiMR+BaslueVtS/qQ=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=

bunrouterotel/middleware.go

@@ -2,6 +2,7 @@ package bunrouterotel
 
 import (
 	"net/http"
+	"strings"
 
 	"github.com/uptrace/bunrouter"
 	"go.opentelemetry.io/otel"
@@ -13,9 +14,11 @@ import (
 
 const (
 	tracerName = "git.blauwelle.com/go/crate/bunrouterotel"
-	version    = "0.2.0"
+	version    = "0.5.0"
 )
 
+var tracer = otel.Tracer(tracerName, trace.WithInstrumentationVersion("semver:"+version))
+
 type config struct {
 	propagators propagation.TextMapPropagator
 }
@@ -36,6 +39,15 @@ func WithPropagators(propagators propagation.TextMapPropagator) Option {
 	})
 }
 
+func getForwardedFor(r *http.Request) []string {
+	h := r.Header.Get("X-Forwarded-For")
+	a := strings.Split(h, ",")
+	for i, s := range a {
+		a[i] = strings.Trim(s, " \t")
+	}
+	return a
+}
+
 // Middleware create a span, which record the request,
 // HTTP status code is NOT recorded.
 func Middleware(serverName string, opts ...Option) bunrouter.MiddlewareFunc {
@@ -46,7 +58,6 @@ func Middleware(serverName string, opts ...Option) bunrouter.MiddlewareFunc {
 	if cfg.propagators == nil {
 		cfg.propagators = otel.GetTextMapPropagator()
 	}
-	tracer := otel.Tracer(tracerName, trace.WithInstrumentationVersion("semver:"+version))
 	return func(next bunrouter.HandlerFunc) bunrouter.HandlerFunc {
 		return func(w http.ResponseWriter, req bunrouter.Request) error {
 			ctx := cfg.propagators.Extract(req.Context(), propagation.HeaderCarrier(req.Header))
@@ -75,6 +86,10 @@ func Middleware(serverName string, opts ...Option) bunrouter.MiddlewareFunc {
 				attrs = append(attrs, attribute.String("http.route.param."+param.Key, param.Value))
 			}
 			span.SetAttributes(attrs...)
+			forwardedFor := getForwardedFor(req.Request)
+			if forwardedFor != nil {
+				span.SetAttributes(attribute.StringSlice("http.forward_route", forwardedFor))
+			}
 			defer span.End()
 			return next(w, req)
 		}

log/README.md

@@ -21,11 +21,12 @@ func main() {
 }
 ```
 
-`log` 模块包含日志处理的代码, 由 3 个包组成:
+`log` 模块包含日志处理的代码, 由 4 个包组成:
 
 1. [logsdk](./logsdk): 日志实现;
 2. [logjson](./logsdk/logjson): 控制台 JSON 日志处理器(`Processor`);
-3. [log](.): 根目录, 提供全局 `Logger`, 把 `Logger` / `Entry` 相关的方法封装成函数.
+3. [logtext](./logsdk/logtext): 控制台文本日志处理器(`Processor`);
+4. [log](.): 根目录, 提供全局 `Logger`, 把 `Logger` / `Entry` 相关的方法封装成函数.
 
 ## 基本概念
 
@@ -88,7 +89,7 @@ log.Logger()
 
 关闭强制生成调用栈, `log.Logger().SetReportStackLevel(logsdk.LevelDisabled)`;
 
-记录 panic, 在 `defer v = recover()` 后执行 `log.Z(context.Background(), v)`, 其中 `Z` 需要是附加调用栈的等级;
+记录 panic, 在 `defer v = recover()` 后执行 `log.Z(context.Background(), v)`, 其中 `Z` 需要是附加调用栈的等级(例如: `Error`);
 
 mock, 实现 mock 日志处理器对生成的日志进行处理;
 
@@ -96,5 +97,6 @@ mock, 实现 mock 日志处理器对生成的日志进行处理;
 
 ## 日志处理器
 
-- [logsdk/logjson](logsdk/logjson) 控制台 JSON 日志
-- [go get git.blauwelle.com/go/crate/logotel](../logotel) OpenTelemetry 日志
+- [logsdk/logjson](logsdk/logjson) 控制台 JSON 日志.
+- [logtext](./logsdk/logtext): 控制台文本日志.
+- [go get git.blauwelle.com/go/crate/logotel](../logotel) OpenTelemetry 日志.

log/logsdk/logjson/option.go

@@ -2,7 +2,6 @@ package logjson
 
 import (
 	"io"
-	"os"
 	"time"
 )
 
@@ -60,10 +59,10 @@ func newConfig(opts ...Option) *config {
 		opt.apply(cfg)
 	}
 	if !cfg.hasPool {
-		cfg.bytesBufferPool = NewBytesBufferPool(bytesBufferInitialSize, bytesBufferMaximumSize)
+		cfg.bytesBufferPool = DefaultBytesBufferPool
 	}
 	if cfg.output == nil {
-		cfg.output = NewSyncWriter(os.Stderr)
+		cfg.output = DefaultStderrSyncWriter
 	}
 	if cfg.timestampFormat == "" {
 		cfg.timestampFormat = time.RFC3339Nano

log/logsdk/logjson/pool.go

@@ -10,6 +10,8 @@ const (
 	bytesBufferMaximumSize = 4096
 )
 
+var DefaultBytesBufferPool = NewBytesBufferPool(bytesBufferInitialSize, bytesBufferMaximumSize)
+
 type BytesBufferPool interface {
 	Get() *bytes.Buffer
 	Put(buffer *bytes.Buffer)

log/logsdk/logjson/processor.go

@@ -5,7 +5,6 @@ import (
 	"encoding/json"
 	"fmt"
 	"io"
-	"os"
 
 	"git.blauwelle.com/go/crate/log/logsdk"
 )
@@ -69,11 +68,11 @@ func (processor *Processor) Process(_ context.Context, entry logsdk.ReadonlyEntr
 
 	// Encode 2次分配
 	if err := encoder.Encode(m); err != nil {
-		_, _ = fmt.Fprintf(os.Stderr, "JSON processor cannot encode log %#v: %s\n", m, err.Error())
+		_, _ = fmt.Fprintf(processor.output, "JSON processor cannot encode log %#v: %s\n", m, err.Error())
 	}
 
 	if _, err := buf.WriteTo(processor.output); err != nil {
-		_, _ = fmt.Fprintf(os.Stderr, "JSON processor cannot write log: %s\n", err.Error())
+		_, _ = fmt.Fprintf(processor.output, "JSON processor cannot write log: %s\n", err.Error())
 	}
 }
 

log/logsdk/logjson/writer.go

@@ -2,9 +2,14 @@ package logjson
 
 import (
 	"io"
+	"os"
 	"sync"
 )
 
+var (
+	DefaultStderrSyncWriter = NewSyncWriter(os.Stderr)
+)
+
 // NewSyncWriter 返回写互斥的 io.Writer
 func NewSyncWriter(writer io.Writer) io.Writer {
 	return &syncWriter{

log/logsdk/logtext/option.go

@@ -0,0 +1,69 @@
+package logtext
+
+import (
+	"io"
+	"time"
+
+	"git.blauwelle.com/go/crate/log/logsdk/logjson"
+)
+
+type Option interface {
+	apply(cfg *config)
+}
+
+func WithBufferPool(pool logjson.BytesBufferPool) Option {
+	return optionFunc(func(cfg *config) {
+		cfg.bytesBufferPool = pool
+	})
+}
+
+func WithOutput(w io.Writer) Option {
+	return optionFunc(func(cfg *config) {
+		cfg.output = w
+	})
+}
+
+func WithTimeFormat(format string) Option {
+	return optionFunc(func(cfg *config) {
+		cfg.timeFormat = format
+		cfg.timePadding = len(format)
+	})
+}
+
+func WithDisableTime(disable bool) Option {
+	return optionFunc(func(cfg *config) {
+		cfg.disableTime = disable
+	})
+}
+
+type config struct {
+	bytesBufferPool logjson.BytesBufferPool
+	output          io.Writer
+	timeFormat      string
+	timePadding     int
+	disableTime     bool
+}
+
+func newConfig(opts ...Option) *config {
+	cfg := new(config)
+	for _, opt := range opts {
+		opt.apply(cfg)
+	}
+	if cfg.bytesBufferPool == nil {
+		cfg.bytesBufferPool = logjson.DefaultBytesBufferPool
+	}
+	if cfg.output == nil {
+		cfg.output = logjson.DefaultStderrSyncWriter
+	}
+	if cfg.timeFormat == "" {
+		cfg.timeFormat = time.RFC3339Nano
+		cfg.timePadding = len(cfg.timeFormat)
+	}
+	return cfg
+}
+
+type optionFunc func(cfg *config)
+
+func (fn optionFunc) apply(cfg *config) {
+	fn(cfg)
+}

log/logsdk/logtext/processor.go

@@ -0,0 +1,146 @@
+package logtext
+
+import (
+	"bytes"
+	"context"
+	"fmt"
+	"io"
+	"strconv"
+
+	"git.blauwelle.com/go/crate/log/logsdk"
+	"git.blauwelle.com/go/crate/log/logsdk/logjson"
+)
+
+var _ logsdk.EntryProcessor = &Processor{}
+
+func New(opts ...Option) *Processor {
+	cfg := newConfig(opts...)
+	return &Processor{
+		bytesBufferPool: cfg.bytesBufferPool,
+		output:          cfg.output,
+		timeFormat:      cfg.timeFormat,
+		timePadding:     cfg.timePadding,
+		disableTime:     cfg.disableTime,
+	}
+}
+
+type Processor struct {
+	bytesBufferPool logjson.BytesBufferPool
+	output          io.Writer
+	timeFormat      string
+	timePadding     int
+	disableTime     bool
+}
+
+func (processor *Processor) Process(_ context.Context, entry logsdk.ReadonlyEntry) {
+	buf := processor.bytesBufferPool.Get()
+	buf.Reset()
+	defer processor.bytesBufferPool.Put(buf)
+
+	buf.Write(formatLevel(entry.Level))
+
+	if !processor.disableTime {
+		buf.WriteByte(' ')
+		timeValue := entry.Time.Format(processor.timeFormat)
+		buf.WriteString(timeValue)
+		writeSpace(buf, processor.timePadding-len(timeValue))
+	}
+
+	for _, field := range entry.Fields {
+		buf.WriteByte(' ')
+		buf.WriteString(field.Key)
+		buf.WriteByte('=')
+		writeValue(buf, field.Value)
+	}
+
+	if entry.Message != "" {
+		buf.WriteByte(' ')
+		buf.WriteString(entry.Message)
+	}
+
+	buf.WriteByte('\n')
+
+	if entry.Caller.IsValid() && len(entry.Stack) == 0 {
+		writeFrame(buf, entry.Caller)
+	}
+
+	if len(entry.Stack) > 0 {
+		for _, frame := range entry.Stack {
+			writeFrame(buf, frame)
+		}
+	}
+
+	if _, err := buf.WriteTo(processor.output); err != nil {
+		_, _ = fmt.Fprintf(processor.output, "TEXT processor cannot write log: %s\n", err.Error())
+	}
+}
+
+func writeSpace(buf *bytes.Buffer, n int) {
+	for i := 0; i < n; i++ {
+		buf.WriteByte(' ')
+	}
+}
+
+func writeFrame(buf *bytes.Buffer, frame logsdk.Frame) {
+	buf.WriteByte('|')
+	buf.WriteByte(' ')
+	buf.WriteString(frame.Function)
+	buf.WriteByte('\n')
+	buf.WriteByte('|')
+	buf.WriteByte(' ')
+	buf.WriteByte('\t')
+	buf.WriteString(frame.File)
+	buf.WriteByte(':')
+	buf.WriteString(strconv.Itoa(frame.Line))
+	buf.WriteByte('\n')
+}
+
+func writeValue(buf *bytes.Buffer, value any) {
+	switch value := value.(type) {
+	case nil:
+		buf.WriteString("<nil>")
+	case string:
+		buf.WriteString(value)
+	case error:
+		buf.WriteString(value.Error())
+	case fmt.Stringer:
+		buf.WriteString(value.String())
+	default:
+		_, _ = fmt.Fprintf(buf, "%v", value)
+	}
+}
+
+func formatLevel(level logsdk.Level) []byte {
+	switch level {
+	case logsdk.LevelPanic:
+		return []byte(LevelPanicValue)
+	case logsdk.LevelFatal:
+		return []byte(LevelFatalValue)
+	case logsdk.LevelError:
+		return []byte(LevelErrorValue)
+	case logsdk.LevelWarn:
+		return []byte(LevelWarnValue)
+	case logsdk.LevelInfo:
+		return []byte(LevelInfoValue)
+	case logsdk.LevelDebug:
+		return []byte(LevelDebugValue)
+	case logsdk.LevelTrace:
+		return []byte(LevelTraceValue)
+	case logsdk.LevelDisabled:
+		fallthrough
+	default:
+		return []byte(levelUnknownValue)
+	}
+}
+
+const (
+	LevelPanicValue = "PNC"
+	LevelFatalValue = "FTL"
+	LevelErrorValue = "ERR"
+	LevelWarnValue  = "WRN"
+	LevelInfoValue  = "INF"
+	LevelDebugValue = "DBG"
+	LevelTraceValue = "TRC"
+
+	levelUnknownValue = "UNK"
+)

logotel/go.mod

@@ -3,7 +3,7 @@ module git.blauwelle.com/go/crate/logotel
 go 1.20
 
 require (
-	git.blauwelle.com/go/crate/log v0.14.0
+	git.blauwelle.com/go/crate/log v0.15.0
 	go.opentelemetry.io/otel v1.21.0
 	go.opentelemetry.io/otel/trace v1.21.0
 )

logotel/go.sum

@@ -1,28 +1,18 @@
-git.blauwelle.com/go/crate/log v0.9.0 h1:H01AQIKcYybeCZGdReBzMoWhkXPQJAoY1t+K0J1asEk=
-git.blauwelle.com/go/crate/log v0.9.0/go.mod h1:jfVfpRODZTA70A8IkApVeGsS1zfLk1D77sLWZM/w+L0=
-git.blauwelle.com/go/crate/log v0.14.0 h1:y7hJXP+ZPY/wD+wlEzKgakpki8/l0LwZWqxtJ92Wy58=
-git.blauwelle.com/go/crate/log v0.14.0/go.mod h1:jfVfpRODZTA70A8IkApVeGsS1zfLk1D77sLWZM/w+L0=
+git.blauwelle.com/go/crate/log v0.15.0 h1:nOPCB5a2F9fCvhiSkymxQRO639hoaOlDU95aMSPWf80=
+git.blauwelle.com/go/crate/log v0.15.0/go.mod h1:jfVfpRODZTA70A8IkApVeGsS1zfLk1D77sLWZM/w+L0=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/go-logr/logr v1.2.2/go.mod h1:jdQByPbusPIv2/zmleS9BjJVeZ6kBagPoEUsqbVz/1A=
-github.com/go-logr/logr v1.2.3 h1:2DntVwHkVopvECVRSlL5PSo9eG+cAkDCuckLubN+rq0=
-github.com/go-logr/logr v1.2.3/go.mod h1:jdQByPbusPIv2/zmleS9BjJVeZ6kBagPoEUsqbVz/1A=
-github.com/go-logr/logr v1.3.0 h1:2y3SDp0ZXuc6/cjLSZ+Q3ir+QB9T/iG5yYRXqsagWSY=
-github.com/go-logr/logr v1.3.0/go.mod h1:9T104GzyrTigFIr8wt5mBrctHMim0Nb2HLGrmQ40KvY=
 github.com/go-logr/logr v1.4.1 h1:pKouT5E8xu9zeFC39JXRDukb6JFQPXM5p5I91188VAQ=
 github.com/go-logr/logr v1.4.1/go.mod h1:9T104GzyrTigFIr8wt5mBrctHMim0Nb2HLGrmQ40KvY=
 github.com/go-logr/stdr v1.2.2 h1:hSWxHoqTgW2S2qGc0LTAI563KZ5YKYRhT3MFKZMbjag=
 github.com/go-logr/stdr v1.2.2/go.mod h1:mMo/vtBO5dYbehREoey6XUKy/eSumjCCveDpRre4VKE=
-github.com/google/go-cmp v0.5.9 h1:O2Tfq5qg4qc4AmwVlvv0oLiVAGB7enBSJ2x2DqQFi38=
+github.com/google/go-cmp v0.6.0 h1:ofyhxvXcZhMsU5ulbFiLKl/XBFqE1GSq7atu8tAmTRI=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
-github.com/stretchr/testify v1.8.1 h1:w7B6lhMri9wdJUVmEZPGGhZzrYTPvgJArz7wNPgYKsk=
-go.opentelemetry.io/otel v1.13.0 h1:1ZAKnNQKwBBxFtww/GwxNUyTf0AxkZzrukO8MeXqe4Y=
-go.opentelemetry.io/otel v1.13.0/go.mod h1:FH3RtdZCzRkJYFTCsAKDy9l/XYjMdNv6QrkFFB8DvVg=
+github.com/stretchr/testify v1.8.4 h1:CcVxjf3Q8PM0mHUKJCdn+eZZtm5yQwehR5yeSVQQcUk=
 go.opentelemetry.io/otel v1.21.0 h1:hzLeKBZEL7Okw2mGzZ0cc4k/A7Fta0uoPgaJCr8fsFc=
 go.opentelemetry.io/otel v1.21.0/go.mod h1:QZzNPQPm1zLX4gZK4cMi+71eaorMSGT3A4znnUvNNEo=
 go.opentelemetry.io/otel/metric v1.21.0 h1:tlYWfeo+Bocx5kLEloTjbcDwBuELRrIFxwdQ36PlJu4=
 go.opentelemetry.io/otel/metric v1.21.0/go.mod h1:o1p3CA8nNHW8j5yuQLdc1eeqEaPfzug24uvsyIEJRWM=
-go.opentelemetry.io/otel/trace v1.13.0 h1:CBgRZ6ntv+Amuj1jDsMhZtlAPT6gbyIRdaIzFhfBSdY=
-go.opentelemetry.io/otel/trace v1.13.0/go.mod h1:muCvmmO9KKpvuXSf3KKAXXB2ygNYHQ+ZfI5X08d3tds=
 go.opentelemetry.io/otel/trace v1.21.0 h1:WD9i5gzvoUPuXIXH24ZNBudiarZDKuekPqi/E8fpfLc=
 go.opentelemetry.io/otel/trace v1.21.0/go.mod h1:LGbsEB0f9LGjN+OZaQQ26sohbOmiMR+BaslueVtS/qQ=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=

logotel/option.go

@@ -4,18 +4,13 @@ import (
 	"git.blauwelle.com/go/crate/log/logsdk/logjson"
 )
 
-const (
-	bytesBufferInitialSize = 512
-	bytesBufferMaximumSize = 4096
-)
-
 func newConfig(opts ...Option) *config {
 	cfg := defaultConfig()
 	for _, opt := range opts {
 		opt.apply(cfg)
 	}
 	if !cfg.hasPool {
-		cfg.bytesBufferPool = logjson.NewBytesBufferPool(bytesBufferInitialSize, bytesBufferMaximumSize)
+		cfg.bytesBufferPool = logjson.DefaultBytesBufferPool
 	}
 	return cfg
 }

logotel/processor.go

@@ -16,6 +16,14 @@ import (
 	"go.opentelemetry.io/otel/trace"
 )
 
+const (
+	fieldPrefix = "log.field."
+)
+
+var (
+	tracer = otel.Tracer(tracerName, trace.WithInstrumentationVersion("semver:"+version))
+)
+
 // New 创建 log/opentelemetry 处理器
 func New(opts ...Option) *Processor {
 	cfg := newConfig(opts...)
@@ -41,7 +49,7 @@ func (processor *Processor) Process(ctx context.Context, entry logsdk.ReadonlyEn
 			if name == "" {
 				name = "default"
 			}
-			ctx, span = otel.Tracer("git.blauwelle.com/go/crate/logotel").Start(ctx, name) //nolint:ineffassign,staticcheck,wastedassign
+			ctx, span = tracer.Start(ctx, name) //nolint:ineffassign,staticcheck,wastedassign
 			defer span.End()
 		}
 	}
@@ -70,7 +78,7 @@ func (processor *Processor) Process(ctx context.Context, entry logsdk.ReadonlyEn
 			buf.WriteByte('\n')
 		}
 		processor.bufferPool.Put(buf)
-		attrs = append(attrs, attribute.String("zz.stack", buf.String()))
+		attrs = append(attrs, attribute.String("log.stack", buf.String()))
 	}
 	for _, field := range entry.Fields {
 		attrs = append(attrs, fieldToKV(field))
@@ -84,22 +92,22 @@ func (processor *Processor) Process(ctx context.Context, entry logsdk.ReadonlyEn
 func fieldToKV(field logsdk.KV) attribute.KeyValue {
 	switch value := field.Value.(type) {
 	case nil:
-		return attribute.String(field.Key, "<nil>")
+		return attribute.String(fieldPrefix+field.Key, "<nil>")
 	case string:
-		return attribute.String(field.Key, value)
+		return attribute.String(fieldPrefix+field.Key, value)
 	case int:
-		return attribute.Int(field.Key, value)
+		return attribute.Int(fieldPrefix+field.Key, value)
 	case int64:
-		return attribute.Int64(field.Key, value)
+		return attribute.Int64(fieldPrefix+field.Key, value)
 	case float64:
-		return attribute.Float64(field.Key, value)
+		return attribute.Float64(fieldPrefix+field.Key, value)
 	case bool:
-		return attribute.Bool(field.Key, value)
+		return attribute.Bool(fieldPrefix+field.Key, value)
 	case error:
-		return attribute.String(field.Key, value.Error())
+		return attribute.String(fieldPrefix+field.Key, value.Error())
 	case fmt.Stringer:
-		return attribute.String(field.Key, value.String())
+		return attribute.String(fieldPrefix+field.Key, value.String())
 	}
 
-	return attribute.String(field.Key, fmt.Sprint(field.Value))
+	return attribute.String(fieldPrefix+field.Key, fmt.Sprint(field.Value))
 }

logotel/version.go

@@ -0,0 +1,6 @@
+package logotel
+
+const (
+	tracerName = "git.blauwelle.com/go/crate/logotel"
+	version    = "0.15.0"
+)