chore(deps): update module github.com/rs/zerolog to v1.33.0 (#3)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [github.com/rs/zerolog](https://github.com/rs/zerolog) | require | minor | `v1.31.0` -> `v1.33.0` |

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>
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> If you are self-hosted, please see [this instruction](https://github.com/renovatebot/renovate/blob/master/docs/usage/examples/self-hosting.md#githubcom-token-for-release-notes).

---

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Reviewed-on: #3
Co-authored-by: Renovate Bot <renovate@keks.cloud>
Co-committed-by: Renovate Bot <renovate@keks.cloud>

go.mod

@@ -5,7 +5,7 @@ go 1.21
 require (
 	github.com/aws/aws-sdk-go v1.55.5
 	github.com/pkg/sftp v1.13.6
-	github.com/rs/zerolog v1.31.0
+	github.com/rs/zerolog v1.33.0
 	github.com/stretchr/testify v1.8.4
 	github.com/urfave/cli/v2 v2.27.4
 	golang.org/x/crypto v0.14.0

go.sum

@@ -30,6 +30,8 @@ github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZN
 github.com/rs/xid v1.5.0/go.mod h1:trrq9SKmegXys3aeAKXMUTdJsYXVwGY3RLcfgqegfbg=
 github.com/rs/zerolog v1.31.0 h1:FcTR3NnLWW+NnTwwhFWiJSZr4ECLpqCm6QsEnyvbV4A=
 github.com/rs/zerolog v1.31.0/go.mod h1:/7mN4D5sKwJLZQ2b/znpjC3/GQWY/xaDXUM0kKWRHss=
+github.com/rs/zerolog v1.33.0 h1:1cU2KZkvPxNyfgEmhHAz/1A9Bz+llsdYzklWFzgp0r8=
+github.com/rs/zerolog v1.33.0/go.mod h1:/7mN4D5sKwJLZQ2b/znpjC3/GQWY/xaDXUM0kKWRHss=
 github.com/russross/blackfriday/v2 v2.1.0 h1:JIOH55/0cWyOuilr9/qlrm0BSXldqnqwMsf35Ld67mk=
 github.com/russross/blackfriday/v2 v2.1.0/go.mod h1:+Rmxgy9KzJVeS9/2gXHxylqXiyQDYRxCVz55jmeOWTM=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=

vendor/github.com/rs/zerolog/README.md

@@ -60,7 +60,7 @@ func main() {
 // Output: {"time":1516134303,"level":"debug","message":"hello world"}
 ```
 > Note: By default log writes to `os.Stderr`
-> Note: The default log level for `log.Print` is *debug*
+> Note: The default log level for `log.Print` is *trace*
 
 ### Contextual Logging
 
@@ -412,15 +412,7 @@ Equivalent of `Lshortfile`:
 
 ```go
 zerolog.CallerMarshalFunc = func(pc uintptr, file string, line int) string {
-    short := file
-    for i := len(file) - 1; i > 0; i-- {
-        if file[i] == '/' {
-            short = file[i+1:]
-            break
-        }
-    }
-    file = short
-    return file + ":" + strconv.Itoa(line)
+    return filepath.Base(file) + ":" + strconv.Itoa(line)
 }
 log.Logger = log.With().Caller().Logger()
 log.Info().Msg("hello world")
@@ -547,7 +539,7 @@ and facilitates the unification of logging and tracing in some systems:
 type TracingHook struct{}
 
 func (h TracingHook) Run(e *zerolog.Event, level zerolog.Level, msg string) {
-    ctx := e.Ctx()
+    ctx := e.GetCtx()
     spanId := getSpanIdFromContext(ctx) // as per your tracing framework
     e.Str("span-id", spanId)
 }
@@ -646,10 +638,14 @@ Some settings can be changed and will be applied to all loggers:
 * `zerolog.LevelFieldName`: Can be set to customize level field name.
 * `zerolog.MessageFieldName`: Can be set to customize message field name.
 * `zerolog.ErrorFieldName`: Can be set to customize `Err` field name.
-* `zerolog.TimeFieldFormat`: Can be set to customize `Time` field value formatting. If set with `zerolog.TimeFormatUnix`, `zerolog.TimeFormatUnixMs` or `zerolog.TimeFormatUnixMicro`, times are formated as UNIX timestamp.
+* `zerolog.TimeFieldFormat`: Can be set to customize `Time` field value formatting. If set with `zerolog.TimeFormatUnix`, `zerolog.TimeFormatUnixMs` or `zerolog.TimeFormatUnixMicro`, times are formatted as UNIX timestamp.
 * `zerolog.DurationFieldUnit`: Can be set to customize the unit for time.Duration type fields added by `Dur` (default: `time.Millisecond`).
 * `zerolog.DurationFieldInteger`: If set to `true`, `Dur` fields are formatted as integers instead of floats (default: `false`). 
 * `zerolog.ErrorHandler`: Called whenever zerolog fails to write an event on its output. If not set, an error is printed on the stderr. This handler must be thread safe and non-blocking.
+* `zerolog.FloatingPointPrecision`: If set to a value other than -1, controls the number
+of digits when formatting float numbers in JSON. See
+[strconv.FormatFloat](https://pkg.go.dev/strconv#FormatFloat)
+for more details.
 
 ## Field Types
 

vendor/github.com/rs/zerolog/array.go

@@ -183,13 +183,13 @@ func (a *Array) Uint64(i uint64) *Array {
 
 // Float32 appends f as a float32 to the array.
 func (a *Array) Float32(f float32) *Array {
-	a.buf = enc.AppendFloat32(enc.AppendArrayDelim(a.buf), f)
+	a.buf = enc.AppendFloat32(enc.AppendArrayDelim(a.buf), f, FloatingPointPrecision)
 	return a
 }
 
 // Float64 appends f as a float64 to the array.
 func (a *Array) Float64(f float64) *Array {
-	a.buf = enc.AppendFloat64(enc.AppendArrayDelim(a.buf), f)
+	a.buf = enc.AppendFloat64(enc.AppendArrayDelim(a.buf), f, FloatingPointPrecision)
 	return a
 }
 
@@ -201,7 +201,7 @@ func (a *Array) Time(t time.Time) *Array {
 
 // Dur appends d to the array.
 func (a *Array) Dur(d time.Duration) *Array {
-	a.buf = enc.AppendDuration(enc.AppendArrayDelim(a.buf), d, DurationFieldUnit, DurationFieldInteger)
+	a.buf = enc.AppendDuration(enc.AppendArrayDelim(a.buf), d, DurationFieldUnit, DurationFieldInteger, FloatingPointPrecision)
 	return a
 }
 

vendor/github.com/rs/zerolog/console.go

@@ -28,6 +28,8 @@ const (
 
 	colorBold     = 1
 	colorDarkGray = 90
+
+	unknownLevel = "???"
 )
 
 var (
@@ -57,12 +59,21 @@ type ConsoleWriter struct {
 	// TimeFormat specifies the format for timestamp in output.
 	TimeFormat string
 
+	// TimeLocation tells ConsoleWriter’s default FormatTimestamp
+	// how to localize the time.
+	TimeLocation *time.Location
+
 	// PartsOrder defines the order of parts in output.
 	PartsOrder []string
 
 	// PartsExclude defines parts to not display in output.
 	PartsExclude []string
 
+	// FieldsOrder defines the order of contextual fields in output.
+	FieldsOrder []string
+
+	fieldIsOrdered map[string]int
+
 	// FieldsExclude defines contextual fields to not display in output.
 	FieldsExclude []string
 
@@ -76,6 +87,8 @@ type ConsoleWriter struct {
 	FormatErrFieldValue Formatter
 
 	FormatExtra func(map[string]interface{}, *bytes.Buffer) error
+
+	FormatPrepare func(map[string]interface{}) error
 }
 
 // NewConsoleWriter creates and initializes a new ConsoleWriter.
@@ -124,6 +137,13 @@ func (w ConsoleWriter) Write(p []byte) (n int, err error) {
 		return n, fmt.Errorf("cannot decode event: %s", err)
 	}
 
+	if w.FormatPrepare != nil {
+		err = w.FormatPrepare(evt)
+		if err != nil {
+			return n, err
+		}
+	}
+
 	for _, p := range w.PartsOrder {
 		w.writePart(buf, evt, p)
 	}
@@ -146,6 +166,15 @@ func (w ConsoleWriter) Write(p []byte) (n int, err error) {
 	return len(p), err
 }
 
+// Call the underlying writer's Close method if it is an io.Closer. Otherwise
+// does nothing.
+func (w ConsoleWriter) Close() error {
+	if closer, ok := w.Out.(io.Closer); ok {
+		return closer.Close()
+	}
+	return nil
+}
+
 // writeFields appends formatted key-value pairs to buf.
 func (w ConsoleWriter) writeFields(evt map[string]interface{}, buf *bytes.Buffer) {
 	var fields = make([]string, 0, len(evt))
@@ -167,7 +196,12 @@ func (w ConsoleWriter) writeFields(evt map[string]interface{}, buf *bytes.Buffer
 		}
 		fields = append(fields, field)
 	}
+
+	if len(w.FieldsOrder) > 0 {
+		w.orderFields(fields)
+	} else {
 		sort.Strings(fields)
+	}
 
 	// Write space only if something has already been written to the buffer, and if there are fields.
 	if buf.Len() > 0 && len(fields) > 0 {
@@ -266,13 +300,13 @@ func (w ConsoleWriter) writePart(buf *bytes.Buffer, evt map[string]interface{},
 		}
 	case TimestampFieldName:
 		if w.FormatTimestamp == nil {
-			f = consoleDefaultFormatTimestamp(w.TimeFormat, w.NoColor)
+			f = consoleDefaultFormatTimestamp(w.TimeFormat, w.TimeLocation, w.NoColor)
 		} else {
 			f = w.FormatTimestamp
 		}
 	case MessageFieldName:
 		if w.FormatMessage == nil {
-			f = consoleDefaultFormatMessage
+			f = consoleDefaultFormatMessage(w.NoColor, evt[LevelFieldName])
 		} else {
 			f = w.FormatMessage
 		}
@@ -300,6 +334,32 @@ func (w ConsoleWriter) writePart(buf *bytes.Buffer, evt map[string]interface{},
 	}
 }
 
+// orderFields takes an array of field names and an array representing field order
+// and returns an array with any ordered fields at the beginning, in order,
+// and the remaining fields after in their original order.
+func (w ConsoleWriter) orderFields(fields []string) {
+	if w.fieldIsOrdered == nil {
+		w.fieldIsOrdered = make(map[string]int)
+		for i, fieldName := range w.FieldsOrder {
+			w.fieldIsOrdered[fieldName] = i
+		}
+	}
+	sort.Slice(fields, func(i, j int) bool {
+		ii, iOrdered := w.fieldIsOrdered[fields[i]]
+		jj, jOrdered := w.fieldIsOrdered[fields[j]]
+		if iOrdered && jOrdered {
+			return ii < jj
+		}
+		if iOrdered {
+			return true
+		}
+		if jOrdered {
+			return false
+		}
+		return fields[i] < fields[j]
+	})
+}
+
 // needsQuote returns true when the string s should be quoted in output.
 func needsQuote(s string) bool {
 	for i := range s {
@@ -310,10 +370,10 @@ func needsQuote(s string) bool {
 	return false
 }
 
-// colorize returns the string s wrapped in ANSI code c, unless disabled is true.
+// colorize returns the string s wrapped in ANSI code c, unless disabled is true or c is 0.
 func colorize(s interface{}, c int, disabled bool) string {
 	e := os.Getenv("NO_COLOR")
-	if e != "" {
+	if e != "" || c == 0 {
 		disabled = true
 	}
 
@@ -334,19 +394,23 @@ func consoleDefaultPartsOrder() []string {
 	}
 }
 
-func consoleDefaultFormatTimestamp(timeFormat string, noColor bool) Formatter {
+func consoleDefaultFormatTimestamp(timeFormat string, location *time.Location, noColor bool) Formatter {
 	if timeFormat == "" {
 		timeFormat = consoleDefaultTimeFormat
 	}
+	if location == nil {
+		location = time.Local
+	}
+
 	return func(i interface{}) string {
 		t := "<nil>"
 		switch tt := i.(type) {
 		case string:
-			ts, err := time.ParseInLocation(TimeFieldFormat, tt, time.Local)
+			ts, err := time.ParseInLocation(TimeFieldFormat, tt, location)
 			if err != nil {
 				t = tt
 			} else {
-				t = ts.Local().Format(timeFormat)
+				t = ts.In(location).Format(timeFormat)
 			}
 		case json.Number:
 			i, err := tt.Int64()
@@ -367,43 +431,37 @@ func consoleDefaultFormatTimestamp(timeFormat string, noColor bool) Formatter {
 				}
 
 				ts := time.Unix(sec, nsec)
-				t = ts.Format(timeFormat)
+				t = ts.In(location).Format(timeFormat)
 			}
 		}
 		return colorize(t, colorDarkGray, noColor)
 	}
 }
 
+func stripLevel(ll string) string {
+	if len(ll) == 0 {
+		return unknownLevel
+	}
+	if len(ll) > 3 {
+		ll = ll[:3]
+	}
+	return strings.ToUpper(ll)
+}
+
 func consoleDefaultFormatLevel(noColor bool) Formatter {
 	return func(i interface{}) string {
-		var l string
 		if ll, ok := i.(string); ok {
-			switch ll {
-			case LevelTraceValue:
-				l = colorize("TRC", colorMagenta, noColor)
-			case LevelDebugValue:
-				l = colorize("DBG", colorYellow, noColor)
-			case LevelInfoValue:
-				l = colorize("INF", colorGreen, noColor)
-			case LevelWarnValue:
-				l = colorize("WRN", colorRed, noColor)
-			case LevelErrorValue:
-				l = colorize(colorize("ERR", colorRed, noColor), colorBold, noColor)
-			case LevelFatalValue:
-				l = colorize(colorize("FTL", colorRed, noColor), colorBold, noColor)
-			case LevelPanicValue:
-				l = colorize(colorize("PNC", colorRed, noColor), colorBold, noColor)
-			default:
-				l = colorize(ll, colorBold, noColor)
+			level, _ := ParseLevel(ll)
+			fl, ok := FormattedLevels[level]
+			if ok {
+				return colorize(fl, LevelColors[level], noColor)
+			}
+			return stripLevel(ll)
 		}
-		} else {
 		if i == nil {
-				l = colorize("???", colorBold, noColor)
-			} else {
-				l = strings.ToUpper(fmt.Sprintf("%s", i))[0:3]
+			return unknownLevel
 		}
-		}
-		return l
+		return stripLevel(fmt.Sprintf("%s", i))
 	}
 }
 
@@ -425,12 +483,19 @@ func consoleDefaultFormatCaller(noColor bool) Formatter {
 	}
 }
 
-func consoleDefaultFormatMessage(i interface{}) string {
-	if i == nil {
+func consoleDefaultFormatMessage(noColor bool, level interface{}) Formatter {
+	return func(i interface{}) string {
+		if i == nil || i == "" {
 			return ""
 		}
+		switch level {
+		case LevelInfoValue, LevelWarnValue, LevelErrorValue, LevelFatalValue, LevelPanicValue:
+			return colorize(fmt.Sprintf("%s", i), colorBold, noColor)
+		default:
 			return fmt.Sprintf("%s", i)
 		}
+	}
+}
 
 func consoleDefaultFormatFieldName(noColor bool) Formatter {
 	return func(i interface{}) string {
@@ -450,6 +515,6 @@ func consoleDefaultFormatErrFieldName(noColor bool) Formatter {
 
 func consoleDefaultFormatErrFieldValue(noColor bool) Formatter {
 	return func(i interface{}) string {
-		return colorize(fmt.Sprintf("%s", i), colorRed, noColor)
+		return colorize(colorize(fmt.Sprintf("%s", i), colorBold, noColor), colorRed, noColor)
 	}
 }

vendor/github.com/rs/zerolog/context.go

@@ -3,7 +3,7 @@ package zerolog
 import (
 	"context"
 	"fmt"
-	"io/ioutil"
+	"io"
 	"math"
 	"net"
 	"time"
@@ -23,7 +23,7 @@ func (c Context) Logger() Logger {
 // Only map[string]interface{} and []interface{} are accepted. []interface{} must
 // alternate string keys and arbitrary values, and extraneous ones are ignored.
 func (c Context) Fields(fields interface{}) Context {
-	c.l.context = appendFields(c.l.context, fields)
+	c.l.context = appendFields(c.l.context, fields, c.l.stack)
 	return c
 }
 
@@ -57,7 +57,7 @@ func (c Context) Array(key string, arr LogArrayMarshaler) Context {
 
 // Object marshals an object that implement the LogObjectMarshaler interface.
 func (c Context) Object(key string, obj LogObjectMarshaler) Context {
-	e := newEvent(LevelWriterAdapter{ioutil.Discard}, 0)
+	e := newEvent(LevelWriterAdapter{io.Discard}, 0)
 	e.Object(key, obj)
 	c.l.context = enc.AppendObjectData(c.l.context, e.buf)
 	putEvent(e)
@@ -66,7 +66,7 @@ func (c Context) Object(key string, obj LogObjectMarshaler) Context {
 
 // EmbedObject marshals and Embeds an object that implement the LogObjectMarshaler interface.
 func (c Context) EmbedObject(obj LogObjectMarshaler) Context {
-	e := newEvent(LevelWriterAdapter{ioutil.Discard}, 0)
+	e := newEvent(LevelWriterAdapter{io.Discard}, 0)
 	e.EmbedObject(obj)
 	c.l.context = enc.AppendObjectData(c.l.context, e.buf)
 	putEvent(e)
@@ -163,6 +163,22 @@ func (c Context) Errs(key string, errs []error) Context {
 
 // Err adds the field "error" with serialized err to the logger context.
 func (c Context) Err(err error) Context {
+	if c.l.stack && ErrorStackMarshaler != nil {
+		switch m := ErrorStackMarshaler(err).(type) {
+		case nil:
+		case LogObjectMarshaler:
+			c = c.Object(ErrorStackFieldName, m)
+		case error:
+			if m != nil && !isNilValue(m) {
+				c = c.Str(ErrorStackFieldName, m.Error())
+			}
+		case string:
+			c = c.Str(ErrorStackFieldName, m)
+		default:
+			c = c.Interface(ErrorStackFieldName, m)
+		}
+	}
+
 	return c.AnErr(ErrorFieldName, err)
 }
 
@@ -309,25 +325,25 @@ func (c Context) Uints64(key string, i []uint64) Context {
 
 // Float32 adds the field key with f as a float32 to the logger context.
 func (c Context) Float32(key string, f float32) Context {
-	c.l.context = enc.AppendFloat32(enc.AppendKey(c.l.context, key), f)
+	c.l.context = enc.AppendFloat32(enc.AppendKey(c.l.context, key), f, FloatingPointPrecision)
 	return c
 }
 
 // Floats32 adds the field key with f as a []float32 to the logger context.
 func (c Context) Floats32(key string, f []float32) Context {
-	c.l.context = enc.AppendFloats32(enc.AppendKey(c.l.context, key), f)
+	c.l.context = enc.AppendFloats32(enc.AppendKey(c.l.context, key), f, FloatingPointPrecision)
 	return c
 }
 
 // Float64 adds the field key with f as a float64 to the logger context.
 func (c Context) Float64(key string, f float64) Context {
-	c.l.context = enc.AppendFloat64(enc.AppendKey(c.l.context, key), f)
+	c.l.context = enc.AppendFloat64(enc.AppendKey(c.l.context, key), f, FloatingPointPrecision)
 	return c
 }
 
 // Floats64 adds the field key with f as a []float64 to the logger context.
 func (c Context) Floats64(key string, f []float64) Context {
-	c.l.context = enc.AppendFloats64(enc.AppendKey(c.l.context, key), f)
+	c.l.context = enc.AppendFloats64(enc.AppendKey(c.l.context, key), f, FloatingPointPrecision)
 	return c
 }
 
@@ -349,13 +365,13 @@ func (c Context) Timestamp() Context {
 	return c
 }
 
-// Time adds the field key with t formated as string using zerolog.TimeFieldFormat.
+// Time adds the field key with t formatted as string using zerolog.TimeFieldFormat.
 func (c Context) Time(key string, t time.Time) Context {
 	c.l.context = enc.AppendTime(enc.AppendKey(c.l.context, key), t, TimeFieldFormat)
 	return c
 }
 
-// Times adds the field key with t formated as string using zerolog.TimeFieldFormat.
+// Times adds the field key with t formatted as string using zerolog.TimeFieldFormat.
 func (c Context) Times(key string, t []time.Time) Context {
 	c.l.context = enc.AppendTimes(enc.AppendKey(c.l.context, key), t, TimeFieldFormat)
 	return c
@@ -363,27 +379,42 @@ func (c Context) Times(key string, t []time.Time) Context {
 
 // Dur adds the fields key with d divided by unit and stored as a float.
 func (c Context) Dur(key string, d time.Duration) Context {
-	c.l.context = enc.AppendDuration(enc.AppendKey(c.l.context, key), d, DurationFieldUnit, DurationFieldInteger)
+	c.l.context = enc.AppendDuration(enc.AppendKey(c.l.context, key), d, DurationFieldUnit, DurationFieldInteger, FloatingPointPrecision)
 	return c
 }
 
 // Durs adds the fields key with d divided by unit and stored as a float.
 func (c Context) Durs(key string, d []time.Duration) Context {
-	c.l.context = enc.AppendDurations(enc.AppendKey(c.l.context, key), d, DurationFieldUnit, DurationFieldInteger)
+	c.l.context = enc.AppendDurations(enc.AppendKey(c.l.context, key), d, DurationFieldUnit, DurationFieldInteger, FloatingPointPrecision)
 	return c
 }
 
 // Interface adds the field key with obj marshaled using reflection.
 func (c Context) Interface(key string, i interface{}) Context {
+	if obj, ok := i.(LogObjectMarshaler); ok {
+		return c.Object(key, obj)
+	}
 	c.l.context = enc.AppendInterface(enc.AppendKey(c.l.context, key), i)
 	return c
 }
 
+// Type adds the field key with val's type using reflection.
+func (c Context) Type(key string, val interface{}) Context {
+	c.l.context = enc.AppendType(enc.AppendKey(c.l.context, key), val)
+	return c
+}
+
 // Any is a wrapper around Context.Interface.
 func (c Context) Any(key string, i interface{}) Context {
 	return c.Interface(key, i)
 }
 
+// Reset removes all the context fields.
+func (c Context) Reset() Context {
+	c.l.context = enc.AppendBeginMarker(make([]byte, 0, 500))
+	return c
+}
+
 type callerHook struct {
 	callerSkipFrameCount int
 }

vendor/github.com/rs/zerolog/encoder.go

@@ -13,13 +13,13 @@ type encoder interface {
 	AppendBool(dst []byte, val bool) []byte
 	AppendBools(dst []byte, vals []bool) []byte
 	AppendBytes(dst, s []byte) []byte
-	AppendDuration(dst []byte, d time.Duration, unit time.Duration, useInt bool) []byte
-	AppendDurations(dst []byte, vals []time.Duration, unit time.Duration, useInt bool) []byte
+	AppendDuration(dst []byte, d time.Duration, unit time.Duration, useInt bool, precision int) []byte
+	AppendDurations(dst []byte, vals []time.Duration, unit time.Duration, useInt bool, precision int) []byte
 	AppendEndMarker(dst []byte) []byte
-	AppendFloat32(dst []byte, val float32) []byte
-	AppendFloat64(dst []byte, val float64) []byte
-	AppendFloats32(dst []byte, vals []float32) []byte
-	AppendFloats64(dst []byte, vals []float64) []byte
+	AppendFloat32(dst []byte, val float32, precision int) []byte
+	AppendFloat64(dst []byte, val float64, precision int) []byte
+	AppendFloats32(dst []byte, vals []float32, precision int) []byte
+	AppendFloats64(dst []byte, vals []float64, precision int) []byte
 	AppendHex(dst, s []byte) []byte
 	AppendIPAddr(dst []byte, ip net.IP) []byte
 	AppendIPPrefix(dst []byte, pfx net.IPNet) []byte

vendor/github.com/rs/zerolog/event.go

@@ -164,7 +164,7 @@ func (e *Event) Fields(fields interface{}) *Event {
 	if e == nil {
 		return e
 	}
-	e.buf = appendFields(e.buf, fields)
+	e.buf = appendFields(e.buf, fields, e.stack)
 	return e
 }
 
@@ -644,7 +644,7 @@ func (e *Event) Float32(key string, f float32) *Event {
 	if e == nil {
 		return e
 	}
-	e.buf = enc.AppendFloat32(enc.AppendKey(e.buf, key), f)
+	e.buf = enc.AppendFloat32(enc.AppendKey(e.buf, key), f, FloatingPointPrecision)
 	return e
 }
 
@@ -653,7 +653,7 @@ func (e *Event) Floats32(key string, f []float32) *Event {
 	if e == nil {
 		return e
 	}
-	e.buf = enc.AppendFloats32(enc.AppendKey(e.buf, key), f)
+	e.buf = enc.AppendFloats32(enc.AppendKey(e.buf, key), f, FloatingPointPrecision)
 	return e
 }
 
@@ -662,7 +662,7 @@ func (e *Event) Float64(key string, f float64) *Event {
 	if e == nil {
 		return e
 	}
-	e.buf = enc.AppendFloat64(enc.AppendKey(e.buf, key), f)
+	e.buf = enc.AppendFloat64(enc.AppendKey(e.buf, key), f, FloatingPointPrecision)
 	return e
 }
 
@@ -671,7 +671,7 @@ func (e *Event) Floats64(key string, f []float64) *Event {
 	if e == nil {
 		return e
 	}
-	e.buf = enc.AppendFloats64(enc.AppendKey(e.buf, key), f)
+	e.buf = enc.AppendFloats64(enc.AppendKey(e.buf, key), f, FloatingPointPrecision)
 	return e
 }
 
@@ -713,7 +713,7 @@ func (e *Event) Dur(key string, d time.Duration) *Event {
 	if e == nil {
 		return e
 	}
-	e.buf = enc.AppendDuration(enc.AppendKey(e.buf, key), d, DurationFieldUnit, DurationFieldInteger)
+	e.buf = enc.AppendDuration(enc.AppendKey(e.buf, key), d, DurationFieldUnit, DurationFieldInteger, FloatingPointPrecision)
 	return e
 }
 
@@ -724,7 +724,7 @@ func (e *Event) Durs(key string, d []time.Duration) *Event {
 	if e == nil {
 		return e
 	}
-	e.buf = enc.AppendDurations(enc.AppendKey(e.buf, key), d, DurationFieldUnit, DurationFieldInteger)
+	e.buf = enc.AppendDurations(enc.AppendKey(e.buf, key), d, DurationFieldUnit, DurationFieldInteger, FloatingPointPrecision)
 	return e
 }
 
@@ -739,7 +739,7 @@ func (e *Event) TimeDiff(key string, t time.Time, start time.Time) *Event {
 	if t.After(start) {
 		d = t.Sub(start)
 	}
-	e.buf = enc.AppendDuration(enc.AppendKey(e.buf, key), d, DurationFieldUnit, DurationFieldInteger)
+	e.buf = enc.AppendDuration(enc.AppendKey(e.buf, key), d, DurationFieldUnit, DurationFieldInteger, FloatingPointPrecision)
 	return e
 }
 

vendor/github.com/rs/zerolog/example.jsonl

@@ -0,0 +1,7 @@
+{"time":"5:41PM","level":"info","message":"Starting listener","listen":":8080","pid":37556}
+{"time":"5:41PM","level":"debug","message":"Access","database":"myapp","host":"localhost:4962","pid":37556}
+{"time":"5:41PM","level":"info","message":"Access","method":"GET","path":"/users","pid":37556,"resp_time":23}
+{"time":"5:41PM","level":"info","message":"Access","method":"POST","path":"/posts","pid":37556,"resp_time":532}
+{"time":"5:41PM","level":"warn","message":"Slow request","method":"POST","path":"/posts","pid":37556,"resp_time":532}
+{"time":"5:41PM","level":"info","message":"Access","method":"GET","path":"/users","pid":37556,"resp_time":10}
+{"time":"5:41PM","level":"error","message":"Database connection lost","database":"myapp","pid":37556,"error":"connection reset by peer"}

vendor/github.com/rs/zerolog/fields.go

@@ -12,13 +12,13 @@ func isNilValue(i interface{}) bool {
 	return (*[2]uintptr)(unsafe.Pointer(&i))[1] == 0
 }
 
-func appendFields(dst []byte, fields interface{}) []byte {
+func appendFields(dst []byte, fields interface{}, stack bool) []byte {
 	switch fields := fields.(type) {
 	case []interface{}:
 		if n := len(fields); n&0x1 == 1 { // odd number
 			fields = fields[:n-1]
 		}
-		dst = appendFieldList(dst, fields)
+		dst = appendFieldList(dst, fields, stack)
 	case map[string]interface{}:
 		keys := make([]string, 0, len(fields))
 		for key := range fields {
@@ -28,13 +28,13 @@ func appendFields(dst []byte, fields interface{}) []byte {
 		kv := make([]interface{}, 2)
 		for _, key := range keys {
 			kv[0], kv[1] = key, fields[key]
-			dst = appendFieldList(dst, kv)
+			dst = appendFieldList(dst, kv, stack)
 		}
 	}
 	return dst
 }
 
-func appendFieldList(dst []byte, kvList []interface{}) []byte {
+func appendFieldList(dst []byte, kvList []interface{}, stack bool) []byte {
 	for i, n := 0, len(kvList); i < n; i += 2 {
 		key, val := kvList[i], kvList[i+1]
 		if key, ok := key.(string); ok {
@@ -74,6 +74,21 @@ func appendFieldList(dst []byte, kvList []interface{}) []byte {
 			default:
 				dst = enc.AppendInterface(dst, m)
 			}
+
+			if stack && ErrorStackMarshaler != nil {
+				dst = enc.AppendKey(dst, ErrorStackFieldName)
+				switch m := ErrorStackMarshaler(val).(type) {
+				case nil:
+				case error:
+					if m != nil && !isNilValue(m) {
+						dst = enc.AppendString(dst, m.Error())
+					}
+				case string:
+					dst = enc.AppendString(dst, m)
+				default:
+					dst = enc.AppendInterface(dst, m)
+				}
+			}
 		case []error:
 			dst = enc.AppendArrayStart(dst)
 			for i, err := range val {
@@ -124,13 +139,13 @@ func appendFieldList(dst []byte, kvList []interface{}) []byte {
 		case uint64:
 			dst = enc.AppendUint64(dst, val)
 		case float32:
-			dst = enc.AppendFloat32(dst, val)
+			dst = enc.AppendFloat32(dst, val, FloatingPointPrecision)
 		case float64:
-			dst = enc.AppendFloat64(dst, val)
+			dst = enc.AppendFloat64(dst, val, FloatingPointPrecision)
 		case time.Time:
 			dst = enc.AppendTime(dst, val, TimeFieldFormat)
 		case time.Duration:
-			dst = enc.AppendDuration(dst, val, DurationFieldUnit, DurationFieldInteger)
+			dst = enc.AppendDuration(dst, val, DurationFieldUnit, DurationFieldInteger, FloatingPointPrecision)
 		case *string:
 			if val != nil {
 				dst = enc.AppendString(dst, *val)
@@ -205,13 +220,13 @@ func appendFieldList(dst []byte, kvList []interface{}) []byte {
 			}
 		case *float32:
 			if val != nil {
-				dst = enc.AppendFloat32(dst, *val)
+				dst = enc.AppendFloat32(dst, *val, FloatingPointPrecision)
 			} else {
 				dst = enc.AppendNil(dst)
 			}
 		case *float64:
 			if val != nil {
-				dst = enc.AppendFloat64(dst, *val)
+				dst = enc.AppendFloat64(dst, *val, FloatingPointPrecision)
 			} else {
 				dst = enc.AppendNil(dst)
 			}
@@ -223,7 +238,7 @@ func appendFieldList(dst []byte, kvList []interface{}) []byte {
 			}
 		case *time.Duration:
 			if val != nil {
-				dst = enc.AppendDuration(dst, *val, DurationFieldUnit, DurationFieldInteger)
+				dst = enc.AppendDuration(dst, *val, DurationFieldUnit, DurationFieldInteger, FloatingPointPrecision)
 			} else {
 				dst = enc.AppendNil(dst)
 			}
@@ -252,13 +267,13 @@ func appendFieldList(dst []byte, kvList []interface{}) []byte {
 		case []uint64:
 			dst = enc.AppendUints64(dst, val)
 		case []float32:
-			dst = enc.AppendFloats32(dst, val)
+			dst = enc.AppendFloats32(dst, val, FloatingPointPrecision)
 		case []float64:
-			dst = enc.AppendFloats64(dst, val)
+			dst = enc.AppendFloats64(dst, val, FloatingPointPrecision)
 		case []time.Time:
 			dst = enc.AppendTimes(dst, val, TimeFieldFormat)
 		case []time.Duration:
-			dst = enc.AppendDurations(dst, val, DurationFieldUnit, DurationFieldInteger)
+			dst = enc.AppendDurations(dst, val, DurationFieldUnit, DurationFieldInteger, FloatingPointPrecision)
 		case nil:
 			dst = enc.AppendNil(dst)
 		case net.IP:

vendor/github.com/rs/zerolog/globals.go

@@ -1,6 +1,7 @@
 package zerolog
 
 import (
+	"bytes"
 	"encoding/json"
 	"strconv"
 	"sync/atomic"
@@ -81,8 +82,22 @@ var (
 	}
 
 	// InterfaceMarshalFunc allows customization of interface marshaling.
-	// Default: "encoding/json.Marshal"
-	InterfaceMarshalFunc = json.Marshal
+	// Default: "encoding/json.Marshal" with disabled HTML escaping
+	InterfaceMarshalFunc = func(v interface{}) ([]byte, error) {
+		var buf bytes.Buffer
+		encoder := json.NewEncoder(&buf)
+		encoder.SetEscapeHTML(false)
+		err := encoder.Encode(v)
+		if err != nil {
+			return nil, err
+		}
+		b := buf.Bytes()
+		if len(b) > 0 {
+			// Remove trailing \n which is added by Encode.
+			return b[:len(b)-1], nil
+		}
+		return b, nil
+	}
 
 	// TimeFieldFormat defines the time format of the Time field type. If set to
 	// TimeFormatUnix, TimeFormatUnixMs, TimeFormatUnixMicro or TimeFormatUnixNano, the time is formatted as a UNIX
@@ -108,6 +123,39 @@ var (
 	// DefaultContextLogger is returned from Ctx() if there is no logger associated
 	// with the context.
 	DefaultContextLogger *Logger
+
+	// LevelColors are used by ConsoleWriter's consoleDefaultFormatLevel to color
+	// log levels.
+	LevelColors = map[Level]int{
+		TraceLevel: colorBlue,
+		DebugLevel: 0,
+		InfoLevel:  colorGreen,
+		WarnLevel:  colorYellow,
+		ErrorLevel: colorRed,
+		FatalLevel: colorRed,
+		PanicLevel: colorRed,
+	}
+
+	// FormattedLevels are used by ConsoleWriter's consoleDefaultFormatLevel
+	// for a short level name.
+	FormattedLevels = map[Level]string{
+		TraceLevel: "TRC",
+		DebugLevel: "DBG",
+		InfoLevel:  "INF",
+		WarnLevel:  "WRN",
+		ErrorLevel: "ERR",
+		FatalLevel: "FTL",
+		PanicLevel: "PNC",
+	}
+
+	// TriggerLevelWriterBufferReuseLimit is a limit in bytes that a buffer is dropped
+	// from the TriggerLevelWriter buffer pool if the buffer grows above the limit.
+	TriggerLevelWriterBufferReuseLimit = 64 * 1024
+
+	// FloatingPointPrecision, if set to a value other than -1, controls the number
+	// of digits when formatting float numbers in JSON. See strconv.FormatFloat for
+	// more details.
+	FloatingPointPrecision = -1
 )
 
 var (

vendor/github.com/rs/zerolog/internal/cbor/decode_stream.go

@@ -95,7 +95,7 @@ func decodeFloat(src *bufio.Reader) (float64, int) {
 
 	switch minor {
 	case additionalTypeFloat16:
-		panic(fmt.Errorf("float16 is not suppported in decodeFloat"))
+		panic(fmt.Errorf("float16 is not supported in decodeFloat"))
 
 	case additionalTypeFloat32:
 		pb := readNBytes(src, 4)

vendor/github.com/rs/zerolog/internal/cbor/time.go

@@ -29,7 +29,7 @@ func (e Encoder) appendFloatTimestamp(dst []byte, t time.Time) []byte {
 	nanos := t.Nanosecond()
 	var val float64
 	val = float64(secs)*1.0 + float64(nanos)*1e-9
-	return e.AppendFloat64(dst, val)
+	return e.AppendFloat64(dst, val, -1)
 }
 
 // AppendTime encodes and adds a timestamp to the dst byte array.
@@ -64,17 +64,17 @@ func (e Encoder) AppendTimes(dst []byte, vals []time.Time, unused string) []byte
 // AppendDuration encodes and adds a duration to the dst byte array.
 // useInt field indicates whether to store the duration as seconds (integer) or
 // as seconds+nanoseconds (float).
-func (e Encoder) AppendDuration(dst []byte, d time.Duration, unit time.Duration, useInt bool) []byte {
+func (e Encoder) AppendDuration(dst []byte, d time.Duration, unit time.Duration, useInt bool, unused int) []byte {
 	if useInt {
 		return e.AppendInt64(dst, int64(d/unit))
 	}
-	return e.AppendFloat64(dst, float64(d)/float64(unit))
+	return e.AppendFloat64(dst, float64(d)/float64(unit), unused)
 }
 
 // AppendDurations encodes and adds an array of durations to the dst byte array.
 // useInt field indicates whether to store the duration as seconds (integer) or
 // as seconds+nanoseconds (float).
-func (e Encoder) AppendDurations(dst []byte, vals []time.Duration, unit time.Duration, useInt bool) []byte {
+func (e Encoder) AppendDurations(dst []byte, vals []time.Duration, unit time.Duration, useInt bool, unused int) []byte {
 	major := majorTypeArray
 	l := len(vals)
 	if l == 0 {
@@ -87,7 +87,7 @@ func (e Encoder) AppendDurations(dst []byte, vals []time.Duration, unit time.Dur
 		dst = appendCborTypePrefix(dst, major, uint64(l))
 	}
 	for _, d := range vals {
-		dst = e.AppendDuration(dst, d, unit, useInt)
+		dst = e.AppendDuration(dst, d, unit, useInt, unused)
 	}
 	return dst
 }

vendor/github.com/rs/zerolog/internal/cbor/types.go

@@ -352,7 +352,7 @@ func (e Encoder) AppendUints64(dst []byte, vals []uint64) []byte {
 }
 
 // AppendFloat32 encodes and inserts a single precision float value into the dst byte array.
-func (Encoder) AppendFloat32(dst []byte, val float32) []byte {
+func (Encoder) AppendFloat32(dst []byte, val float32, unused int) []byte {
 	switch {
 	case math.IsNaN(float64(val)):
 		return append(dst, "\xfa\x7f\xc0\x00\x00"...)
@@ -372,7 +372,7 @@ func (Encoder) AppendFloat32(dst []byte, val float32) []byte {
 }
 
 // AppendFloats32 encodes and inserts an array of single precision float value into the dst byte array.
-func (e Encoder) AppendFloats32(dst []byte, vals []float32) []byte {
+func (e Encoder) AppendFloats32(dst []byte, vals []float32, unused int) []byte {
 	major := majorTypeArray
 	l := len(vals)
 	if l == 0 {
@@ -385,13 +385,13 @@ func (e Encoder) AppendFloats32(dst []byte, vals []float32) []byte {
 		dst = appendCborTypePrefix(dst, major, uint64(l))
 	}
 	for _, v := range vals {
-		dst = e.AppendFloat32(dst, v)
+		dst = e.AppendFloat32(dst, v, unused)
 	}
 	return dst
 }
 
 // AppendFloat64 encodes and inserts a double precision float value into the dst byte array.
-func (Encoder) AppendFloat64(dst []byte, val float64) []byte {
+func (Encoder) AppendFloat64(dst []byte, val float64, unused int) []byte {
 	switch {
 	case math.IsNaN(val):
 		return append(dst, "\xfb\x7f\xf8\x00\x00\x00\x00\x00\x00"...)
@@ -412,7 +412,7 @@ func (Encoder) AppendFloat64(dst []byte, val float64) []byte {
 }
 
 // AppendFloats64 encodes and inserts an array of double precision float values into the dst byte array.
-func (e Encoder) AppendFloats64(dst []byte, vals []float64) []byte {
+func (e Encoder) AppendFloats64(dst []byte, vals []float64, unused int) []byte {
 	major := majorTypeArray
 	l := len(vals)
 	if l == 0 {
@@ -425,7 +425,7 @@ func (e Encoder) AppendFloats64(dst []byte, vals []float64) []byte {
 		dst = appendCborTypePrefix(dst, major, uint64(l))
 	}
 	for _, v := range vals {
-		dst = e.AppendFloat64(dst, v)
+		dst = e.AppendFloat64(dst, v, unused)
 	}
 	return dst
 }

vendor/github.com/rs/zerolog/internal/json/time.go

@@ -88,24 +88,24 @@ func appendUnixNanoTimes(dst []byte, vals []time.Time, div int64) []byte {
 
 // AppendDuration formats the input duration with the given unit & format
 // and appends the encoded string to the input byte slice.
-func (e Encoder) AppendDuration(dst []byte, d time.Duration, unit time.Duration, useInt bool) []byte {
+func (e Encoder) AppendDuration(dst []byte, d time.Duration, unit time.Duration, useInt bool, precision int) []byte {
 	if useInt {
 		return strconv.AppendInt(dst, int64(d/unit), 10)
 	}
-	return e.AppendFloat64(dst, float64(d)/float64(unit))
+	return e.AppendFloat64(dst, float64(d)/float64(unit), precision)
 }
 
 // AppendDurations formats the input durations with the given unit & format
 // and appends the encoded string list to the input byte slice.
-func (e Encoder) AppendDurations(dst []byte, vals []time.Duration, unit time.Duration, useInt bool) []byte {
+func (e Encoder) AppendDurations(dst []byte, vals []time.Duration, unit time.Duration, useInt bool, precision int) []byte {
 	if len(vals) == 0 {
 		return append(dst, '[', ']')
 	}
 	dst = append(dst, '[')
-	dst = e.AppendDuration(dst, vals[0], unit, useInt)
+	dst = e.AppendDuration(dst, vals[0], unit, useInt, precision)
 	if len(vals) > 1 {
 		for _, d := range vals[1:] {
-			dst = e.AppendDuration(append(dst, ','), d, unit, useInt)
+			dst = e.AppendDuration(append(dst, ','), d, unit, useInt, precision)
 		}
 	}
 	dst = append(dst, ']')

vendor/github.com/rs/zerolog/internal/json/types.go

@@ -299,7 +299,7 @@ func (Encoder) AppendUints64(dst []byte, vals []uint64) []byte {
 	return dst
 }
 
-func appendFloat(dst []byte, val float64, bitSize int) []byte {
+func appendFloat(dst []byte, val float64, bitSize, precision int) []byte {
 	// JSON does not permit NaN or Infinity. A typical JSON encoder would fail
 	// with an error, but a logging library wants the data to get through so we
 	// make a tradeoff and store those types as string.
@@ -311,26 +311,47 @@ func appendFloat(dst []byte, val float64, bitSize int) []byte {
 	case math.IsInf(val, -1):
 		return append(dst, `"-Inf"`...)
 	}
-	return strconv.AppendFloat(dst, val, 'f', -1, bitSize)
+	// convert as if by es6 number to string conversion
+	// see also https://cs.opensource.google/go/go/+/refs/tags/go1.20.3:src/encoding/json/encode.go;l=573
+	strFmt := byte('f')
+	// If precision is set to a value other than -1, we always just format the float using that precision.
+	if precision == -1 {
+		// Use float32 comparisons for underlying float32 value to get precise cutoffs right.
+		if abs := math.Abs(val); abs != 0 {
+			if bitSize == 64 && (abs < 1e-6 || abs >= 1e21) || bitSize == 32 && (float32(abs) < 1e-6 || float32(abs) >= 1e21) {
+				strFmt = 'e'
+			}
+		}
+	}
+	dst = strconv.AppendFloat(dst, val, strFmt, precision, bitSize)
+	if strFmt == 'e' {
+		// Clean up e-09 to e-9
+		n := len(dst)
+		if n >= 4 && dst[n-4] == 'e' && dst[n-3] == '-' && dst[n-2] == '0' {
+			dst[n-2] = dst[n-1]
+			dst = dst[:n-1]
+		}
+	}
+	return dst
 }
 
 // AppendFloat32 converts the input float32 to a string and
 // appends the encoded string to the input byte slice.
-func (Encoder) AppendFloat32(dst []byte, val float32) []byte {
-	return appendFloat(dst, float64(val), 32)
+func (Encoder) AppendFloat32(dst []byte, val float32, precision int) []byte {
+	return appendFloat(dst, float64(val), 32, precision)
 }
 
 // AppendFloats32 encodes the input float32s to json and
 // appends the encoded string list to the input byte slice.
-func (Encoder) AppendFloats32(dst []byte, vals []float32) []byte {
+func (Encoder) AppendFloats32(dst []byte, vals []float32, precision int) []byte {
 	if len(vals) == 0 {
 		return append(dst, '[', ']')
 	}
 	dst = append(dst, '[')
-	dst = appendFloat(dst, float64(vals[0]), 32)
+	dst = appendFloat(dst, float64(vals[0]), 32, precision)
 	if len(vals) > 1 {
 		for _, val := range vals[1:] {
-			dst = appendFloat(append(dst, ','), float64(val), 32)
+			dst = appendFloat(append(dst, ','), float64(val), 32, precision)
 		}
 	}
 	dst = append(dst, ']')
@@ -339,21 +360,21 @@ func (Encoder) AppendFloats32(dst []byte, vals []float32) []byte {
 
 // AppendFloat64 converts the input float64 to a string and
 // appends the encoded string to the input byte slice.
-func (Encoder) AppendFloat64(dst []byte, val float64) []byte {
-	return appendFloat(dst, val, 64)
+func (Encoder) AppendFloat64(dst []byte, val float64, precision int) []byte {
+	return appendFloat(dst, val, 64, precision)
 }
 
 // AppendFloats64 encodes the input float64s to json and
 // appends the encoded string list to the input byte slice.
-func (Encoder) AppendFloats64(dst []byte, vals []float64) []byte {
+func (Encoder) AppendFloats64(dst []byte, vals []float64, precision int) []byte {
 	if len(vals) == 0 {
 		return append(dst, '[', ']')
 	}
 	dst = append(dst, '[')
-	dst = appendFloat(dst, vals[0], 64)
+	dst = appendFloat(dst, vals[0], 64, precision)
 	if len(vals) > 1 {
 		for _, val := range vals[1:] {
-			dst = appendFloat(append(dst, ','), val, 64)
+			dst = appendFloat(append(dst, ','), val, 64, precision)
 		}
 	}
 	dst = append(dst, ']')

vendor/github.com/rs/zerolog/log.go

@@ -24,7 +24,7 @@
 //
 // Sub-loggers let you chain loggers with additional context:
 //
-//     sublogger := log.With().Str("component": "foo").Logger()
+//     sublogger := log.With().Str("component", "foo").Logger()
 //     sublogger.Info().Msg("hello world")
 //     // Output: {"time":1494567715,"level":"info","message":"hello world","component":"foo"}
 //
@@ -118,7 +118,6 @@ import (
 	"errors"
 	"fmt"
 	"io"
-	"io/ioutil"
 	"os"
 	"strconv"
 	"strings"
@@ -246,7 +245,7 @@ type Logger struct {
 // you may consider using sync wrapper.
 func New(w io.Writer) Logger {
 	if w == nil {
-		w = ioutil.Discard
+		w = io.Discard
 	}
 	lw, ok := w.(LevelWriter)
 	if !ok {
@@ -326,10 +325,13 @@ func (l Logger) Sample(s Sampler) Logger {
 }
 
 // Hook returns a logger with the h Hook.
-func (l Logger) Hook(h Hook) Logger {
-	newHooks := make([]Hook, len(l.hooks), len(l.hooks)+1)
+func (l Logger) Hook(hooks ...Hook) Logger {
+	if len(hooks) == 0 {
+		return l
+	}
+	newHooks := make([]Hook, len(l.hooks), len(l.hooks)+len(hooks))
 	copy(newHooks, l.hooks)
-	l.hooks = append(newHooks, h)
+	l.hooks = append(newHooks, hooks...)
 	return l
 }
 
@@ -385,7 +387,14 @@ func (l *Logger) Err(err error) *Event {
 //
 // You must call Msg on the returned event in order to send the event.
 func (l *Logger) Fatal() *Event {
-	return l.newEvent(FatalLevel, func(msg string) { os.Exit(1) })
+	return l.newEvent(FatalLevel, func(msg string) {
+		if closer, ok := l.w.(io.Closer); ok {
+			// Close the writer to flush any buffered message. Otherwise the message
+			// will be lost as os.Exit() terminates the program immediately.
+			closer.Close()
+		}
+		os.Exit(1)
+	})
 }
 
 // Panic starts a new message with panic level. The panic() function
@@ -450,6 +459,14 @@ func (l *Logger) Printf(format string, v ...interface{}) {
 	}
 }
 
+// Println sends a log event using debug level and no extra field.
+// Arguments are handled in the manner of fmt.Println.
+func (l *Logger) Println(v ...interface{}) {
+	if e := l.Debug(); e.Enabled() {
+		e.CallerSkipFrame(1).Msg(fmt.Sprintln(v...))
+	}
+}
+
 // Write implements the io.Writer interface. This is useful to set as a writer
 // for the standard library log.
 func (l Logger) Write(p []byte) (n int, err error) {
@@ -488,6 +505,9 @@ func (l *Logger) newEvent(level Level, done func(string)) *Event {
 
 // should returns true if the log event should be logged.
 func (l *Logger) should(lvl Level) bool {
+	if l.w == nil {
+		return false
+	}
 	if lvl < l.level || lvl < GlobalLevel() {
 		return false
 	}

vendor/github.com/rs/zerolog/sampler.go

@@ -84,7 +84,7 @@ func (s *BurstSampler) Sample(lvl Level) bool {
 }
 
 func (s *BurstSampler) inc() uint32 {
-	now := time.Now().UnixNano()
+	now := TimestampFunc().UnixNano()
 	resetAt := atomic.LoadInt64(&s.resetAt)
 	var c uint32
 	if now > resetAt {

vendor/github.com/rs/zerolog/syslog.go

@@ -78,3 +78,12 @@ func (sw syslogWriter) WriteLevel(level Level, p []byte) (n int, err error) {
 	n = len(p)
 	return
 }
+
+// Call the underlying writer's Close method if it is an io.Closer. Otherwise
+// does nothing.
+func (sw syslogWriter) Close() error {
+	if c, ok := sw.w.(io.Closer); ok {
+		return c.Close()
+	}
+	return nil
+}

vendor/github.com/rs/zerolog/writer.go

@@ -27,6 +27,15 @@ func (lw LevelWriterAdapter) WriteLevel(l Level, p []byte) (n int, err error) {
 	return lw.Write(p)
 }
 
+// Call the underlying writer's Close method if it is an io.Closer. Otherwise
+// does nothing.
+func (lw LevelWriterAdapter) Close() error {
+	if closer, ok := lw.Writer.(io.Closer); ok {
+		return closer.Close()
+	}
+	return nil
+}
+
 type syncWriter struct {
 	mu sync.Mutex
 	lw LevelWriter
@@ -57,6 +66,15 @@ func (s *syncWriter) WriteLevel(l Level, p []byte) (n int, err error) {
 	return s.lw.WriteLevel(l, p)
 }
 
+func (s *syncWriter) Close() error {
+	s.mu.Lock()
+	defer s.mu.Unlock()
+	if closer, ok := s.lw.(io.Closer); ok {
+		return closer.Close()
+	}
+	return nil
+}
+
 type multiLevelWriter struct {
 	writers []LevelWriter
 }
@@ -89,6 +107,20 @@ func (t multiLevelWriter) WriteLevel(l Level, p []byte) (n int, err error) {
 	return n, err
 }
 
+// Calls close on all the underlying writers that are io.Closers. If any of the
+// Close methods return an error, the remainder of the closers are not closed
+// and the error is returned.
+func (t multiLevelWriter) Close() error {
+	for _, w := range t.writers {
+		if closer, ok := w.(io.Closer); ok {
+			if err := closer.Close(); err != nil {
+				return err
+			}
+		}
+	}
+	return nil
+}
+
 // MultiLevelWriter creates a writer that duplicates its writes to all the
 // provided writers, similar to the Unix tee(1) command. If some writers
 // implement LevelWriter, their WriteLevel method will be used instead of Write.
@@ -180,3 +212,135 @@ func (w *FilteredLevelWriter) WriteLevel(level Level, p []byte) (int, error) {
 	}
 	return len(p), nil
 }
+
+var triggerWriterPool = &sync.Pool{
+	New: func() interface{} {
+		return bytes.NewBuffer(make([]byte, 0, 1024))
+	},
+}
+
+// TriggerLevelWriter buffers log lines at the ConditionalLevel or below
+// until a trigger level (or higher) line is emitted. Log lines with level
+// higher than ConditionalLevel are always written out to the destination
+// writer. If trigger never happens, buffered log lines are never written out.
+//
+// It can be used to configure "log level per request".
+type TriggerLevelWriter struct {
+	// Destination writer. If LevelWriter is provided (usually), its WriteLevel is used
+	// instead of Write.
+	io.Writer
+
+	// ConditionalLevel is the level (and below) at which lines are buffered until
+	// a trigger level (or higher) line is emitted. Usually this is set to DebugLevel.
+	ConditionalLevel Level
+
+	// TriggerLevel is the lowest level that triggers the sending of the conditional
+	// level lines. Usually this is set to ErrorLevel.
+	TriggerLevel Level
+
+	buf       *bytes.Buffer
+	triggered bool
+	mu        sync.Mutex
+}
+
+func (w *TriggerLevelWriter) WriteLevel(l Level, p []byte) (n int, err error) {
+	w.mu.Lock()
+	defer w.mu.Unlock()
+
+	// At first trigger level or above log line, we flush the buffer and change the
+	// trigger state to triggered.
+	if !w.triggered && l >= w.TriggerLevel {
+		err := w.trigger()
+		if err != nil {
+			return 0, err
+		}
+	}
+
+	// Unless triggered, we buffer everything at and below ConditionalLevel.
+	if !w.triggered && l <= w.ConditionalLevel {
+		if w.buf == nil {
+			w.buf = triggerWriterPool.Get().(*bytes.Buffer)
+		}
+
+		// We prefix each log line with a byte with the level.
+		// Hopefully we will never have a level value which equals a newline
+		// (which could interfere with reconstruction of log lines in the trigger method).
+		w.buf.WriteByte(byte(l))
+		w.buf.Write(p)
+		return len(p), nil
+	}
+
+	// Anything above ConditionalLevel is always passed through.
+	// Once triggered, everything is passed through.
+	if lw, ok := w.Writer.(LevelWriter); ok {
+		return lw.WriteLevel(l, p)
+	}
+	return w.Write(p)
+}
+
+// trigger expects lock to be held.
+func (w *TriggerLevelWriter) trigger() error {
+	if w.triggered {
+		return nil
+	}
+	w.triggered = true
+
+	if w.buf == nil {
+		return nil
+	}
+
+	p := w.buf.Bytes()
+	for len(p) > 0 {
+		// We do not use bufio.Scanner here because we already have full buffer
+		// in the memory and we do not want extra copying from the buffer to
+		// scanner's token slice, nor we want to hit scanner's token size limit,
+		// and we also want to preserve newlines.
+		i := bytes.IndexByte(p, '\n')
+		line := p[0 : i+1]
+		p = p[i+1:]
+		// We prefixed each log line with a byte with the level.
+		level := Level(line[0])
+		line = line[1:]
+		var err error
+		if lw, ok := w.Writer.(LevelWriter); ok {
+			_, err = lw.WriteLevel(level, line)
+		} else {
+			_, err = w.Write(line)
+		}
+		if err != nil {
+			return err
+		}
+	}
+
+	return nil
+}
+
+// Trigger forces flushing the buffer and change the trigger state to
+// triggered, if the writer has not already been triggered before.
+func (w *TriggerLevelWriter) Trigger() error {
+	w.mu.Lock()
+	defer w.mu.Unlock()
+
+	return w.trigger()
+}
+
+// Close closes the writer and returns the buffer to the pool.
+func (w *TriggerLevelWriter) Close() error {
+	w.mu.Lock()
+	defer w.mu.Unlock()
+
+	if w.buf == nil {
+		return nil
+	}
+
+	// We return the buffer only if it has not grown above the limit.
+	// This prevents accumulation of large buffers in the pool just
+	// because occasionally a large buffer might be needed.
+	if w.buf.Cap() <= TriggerLevelWriterBufferReuseLimit {
+		w.buf.Reset()
+		triggerWriterPool.Put(w.buf)
+	}
+	w.buf = nil
+
+	return nil
+}

vendor/modules.txt

@@ -76,7 +76,7 @@ github.com/pkg/sftp/internal/encoding/ssh/filexfer
 # github.com/pmezard/go-difflib v1.0.0
 ## explicit
 github.com/pmezard/go-difflib/difflib
-# github.com/rs/zerolog v1.31.0
+# github.com/rs/zerolog v1.33.0
 ## explicit; go 1.15
 github.com/rs/zerolog
 github.com/rs/zerolog/internal/cbor