vendor: go.uber.org/zap v1.21.0

full diff: https://github.com/uber-go/zap/compare/v1.17.0...v1.21.0

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>

vendor.mod

@@ -156,7 +156,7 @@ require (
 	go.opentelemetry.io/proto/otlp v0.12.0 // indirect
 	go.uber.org/atomic v1.9.0 // indirect
 	go.uber.org/multierr v1.8.0 // indirect
-	go.uber.org/zap v1.17.0 // indirect
+	go.uber.org/zap v1.21.0 // indirect
 	golang.org/x/crypto v0.1.0 // indirect
 	golang.org/x/oauth2 v0.1.0 // indirect
 	golang.org/x/text v0.4.0 // indirect

vendor.sum

@@ -138,6 +138,8 @@ github.com/aws/aws-sdk-go v1.15.11/go.mod h1:mFuSZ37Z9YOHbQEwBWztmVzqXrEkub65tZo
 github.com/aws/aws-sdk-go v1.31.6 h1:nKjQbpXhdImctBh1e0iLg9iQW/X297LPPuY/9f92R2k=
 github.com/aws/aws-sdk-go v1.31.6/go.mod h1:5zCpMtNQVjRREroY7sYe8lOMRSxkhG6MZveU8YkpAk0=
 github.com/benbjohnson/clock v1.0.3/go.mod h1:bGMdMPoPVvcYyt1gHDf4J2KE153Yf9BuiUKYMaxlTDM=
+github.com/benbjohnson/clock v1.1.0 h1:Q92kusRqC1XV2MjkWETPvjJVqKetz1OzxZB7mHJLju8=
+github.com/benbjohnson/clock v1.1.0/go.mod h1:J11/hYXuz8f4ySSvYwY0FKfm+ezbsZBKZxNJlLklBHA=
 github.com/beorn7/perks v0.0.0-20160804104726-4c0e84591b9a/go.mod h1:Dwedo/Wpr24TaqPxmxbtue+5NUziq4I4S80YR8gNf3Q=
 github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973/go.mod h1:Dwedo/Wpr24TaqPxmxbtue+5NUziq4I4S80YR8gNf3Q=
 github.com/beorn7/perks v1.0.0/go.mod h1:KWe93zE9D1o94FZ5RNwFwVgaQK1VOXiVxmqh+CedLV8=
@@ -1147,6 +1149,7 @@ go.uber.org/atomic v1.7.0/go.mod h1:fEN4uk6kAWBTFdckzkM89CLk9XfWZrxpCo0nPH17wJc=
 go.uber.org/atomic v1.9.0 h1:ECmE8Bn/WFTYwEW/bpKD3M8VtR/zQVbavAoalC1PYyE=
 go.uber.org/atomic v1.9.0/go.mod h1:fEN4uk6kAWBTFdckzkM89CLk9XfWZrxpCo0nPH17wJc=
 go.uber.org/goleak v1.1.10/go.mod h1:8a7PlsEVH3e/a/GLqe5IIrQx6GzcnRmZEufDUTk4A7A=
+go.uber.org/goleak v1.1.11/go.mod h1:cwTWslyiVhfpKIDGSZEM2HlOvcqm+tG4zioyIeLoqMQ=
 go.uber.org/goleak v1.1.12 h1:gZAh5/EyT/HQwlpkCy6wTpqfH9H8Lz8zbm3dZh+OyzA=
 go.uber.org/goleak v1.1.12/go.mod h1:cwTWslyiVhfpKIDGSZEM2HlOvcqm+tG4zioyIeLoqMQ=
 go.uber.org/multierr v1.1.0/go.mod h1:wR5kodmAFQ0UK8QlbwjlSNy0Z68gJhDJUG5sjR94q/0=
@@ -1154,8 +1157,9 @@ go.uber.org/multierr v1.6.0/go.mod h1:cdWPpRnG4AhwMwsgIHip0KRBQjJy5kYEpYjJxpXp9i
 go.uber.org/multierr v1.8.0 h1:dg6GjLku4EH+249NNmoIciG9N/jURbDG+pFlTkhzIC8=
 go.uber.org/multierr v1.8.0/go.mod h1:7EAYxJLBy9rStEaz58O2t4Uvip6FSURkq8/ppBp95ak=
 go.uber.org/zap v1.10.0/go.mod h1:vwi/ZaCAaUcBkycHslxD9B2zi4UTXhF60s6SWpuDF0Q=
-go.uber.org/zap v1.17.0 h1:MTjgFu6ZLKvY6Pvaqk97GlxNBuMpV4Hy/3P6tRGlI2U=
 go.uber.org/zap v1.17.0/go.mod h1:MXVU+bhUf/A7Xi2HNOnopQOrmycQ5Ih87HtOu4q5SSo=
+go.uber.org/zap v1.21.0 h1:WefMeulhovoZ2sYXz7st6K0sLj7bBhpiFaud4r4zST8=
+go.uber.org/zap v1.21.0/go.mod h1:wjWOCqI0f2ZZrJF/UufIOkiC8ii6tm1iqIsLo76RfJw=
 golang.org/x/crypto v0.0.0-20171113213409-9f005a07e0d3/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
 golang.org/x/crypto v0.0.0-20180904163835-0709b304e793/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
 golang.org/x/crypto v0.0.0-20181009213950-7c1a557ab941/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=

vendor/go.uber.org/zap/.readme.tmpl

@@ -96,14 +96,14 @@ Released under the [MIT License](LICENSE.txt).
 
 <sup id="footnote-versions">1</sup> In particular, keep in mind that we may be
 benchmarking against slightly older versions of other packages. Versions are
-pinned in zap's [glide.lock][] file. [↩](#anchor-versions)
+pinned in the [benchmarks/go.mod][] file. [↩](#anchor-versions)
 
-[doc-img]: https://godoc.org/go.uber.org/zap?status.svg
+[doc-img]: https://pkg.go.dev/badge/go.uber.org/zap
-[doc]: https://godoc.org/go.uber.org/zap
+[doc]: https://pkg.go.dev/go.uber.org/zap
-[ci-img]: https://travis-ci.com/uber-go/zap.svg?branch=master
+[ci-img]: https://github.com/uber-go/zap/actions/workflows/go.yml/badge.svg
-[ci]: https://travis-ci.com/uber-go/zap
+[ci]: https://github.com/uber-go/zap/actions/workflows/go.yml
 [cov-img]: https://codecov.io/gh/uber-go/zap/branch/master/graph/badge.svg
 [cov]: https://codecov.io/gh/uber-go/zap
 [benchmarking suite]: https://github.com/uber-go/zap/tree/master/benchmarks
-[glide.lock]: https://github.com/uber-go/zap/blob/master/glide.lock
+[benchmarks/go.mod]: https://github.com/uber-go/zap/blob/master/benchmarks/go.mod
 

vendor/go.uber.org/zap/CHANGELOG.md

@@ -1,4 +1,108 @@
 # Changelog
+All notable changes to this project will be documented in this file.
+
+This project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
+
+## 1.21.0 (7 Feb 2022)
+
+Enhancements:
+*  [#1047][]: Add `zapcore.ParseLevel` to parse a `Level` from a string.
+*  [#1048][]: Add `zap.ParseAtomicLevel` to parse an `AtomicLevel` from a
+   string.
+
+Bugfixes:
+* [#1058][]: Fix panic in JSON encoder when `EncodeLevel` is unset.
+
+Other changes:
+* [#1052][]: Improve encoding performance when the `AddCaller` and
+  `AddStacktrace` options are used together.
+
+[#1047]: https://github.com/uber-go/zap/pull/1047
+[#1048]: https://github.com/uber-go/zap/pull/1048
+[#1052]: https://github.com/uber-go/zap/pull/1052
+[#1058]: https://github.com/uber-go/zap/pull/1058
+
+Thanks to @aerosol and @Techassi for their contributions to this release.
+
+## 1.20.0 (4 Jan 2022)
+
+Enhancements:
+* [#989][]: Add `EncoderConfig.SkipLineEnding` flag to disable adding newline
+  characters between log statements.
+* [#1039][]: Add `EncoderConfig.NewReflectedEncoder` field to customize JSON
+  encoding of reflected log fields.
+
+Bugfixes:
+* [#1011][]: Fix inaccurate precision when encoding complex64 as JSON.
+* [#554][], [#1017][]: Close JSON namespaces opened in `MarshalLogObject`
+  methods when the methods return.
+* [#1033][]: Avoid panicking in Sampler core if `thereafter` is zero.
+
+Other changes:
+* [#1028][]: Drop support for Go < 1.15.
+
+[#554]: https://github.com/uber-go/zap/pull/554
+[#989]: https://github.com/uber-go/zap/pull/989
+[#1011]: https://github.com/uber-go/zap/pull/1011
+[#1017]: https://github.com/uber-go/zap/pull/1017
+[#1028]: https://github.com/uber-go/zap/pull/1028
+[#1033]: https://github.com/uber-go/zap/pull/1033
+[#1039]: https://github.com/uber-go/zap/pull/1039
+
+Thanks to @psrajat, @lruggieri, @sammyrnycreal for their contributions to this release.
+
+## 1.19.1 (8 Sep 2021)
+
+Bugfixes:
+* [#1001][]: JSON: Fix complex number encoding with negative imaginary part. Thanks to @hemantjadon.
+* [#1003][]: JSON: Fix inaccurate precision when encoding float32.
+
+[#1001]: https://github.com/uber-go/zap/pull/1001
+[#1003]: https://github.com/uber-go/zap/pull/1003
+
+## 1.19.0 (9 Aug 2021)
+
+Enhancements:
+* [#975][]: Avoid panicking in Sampler core if the level is out of bounds.
+* [#984][]: Reduce the size of BufferedWriteSyncer by aligning the fields
+  better.
+
+[#975]: https://github.com/uber-go/zap/pull/975
+[#984]: https://github.com/uber-go/zap/pull/984
+
+Thanks to @lancoLiu and @thockin for their contributions to this release.
+
+## 1.18.1 (28 Jun 2021)
+
+Bugfixes:
+* [#974][]: Fix nil dereference in logger constructed by `zap.NewNop`.
+
+[#974]: https://github.com/uber-go/zap/pull/974
+
+## 1.18.0 (28 Jun 2021)
+
+Enhancements:
+* [#961][]: Add `zapcore.BufferedWriteSyncer`, a new `WriteSyncer` that buffers
+  messages in-memory and flushes them periodically.
+* [#971][]: Add `zapio.Writer` to use a Zap logger as an `io.Writer`.
+* [#897][]: Add `zap.WithClock` option to control the source of time via the
+  new `zapcore.Clock` interface.
+* [#949][]: Avoid panicking in `zap.SugaredLogger` when arguments of `*w`
+  methods don't match expectations.
+* [#943][]: Add support for filtering by level or arbitrary matcher function to
+  `zaptest/observer`.
+* [#691][]: Comply with `io.StringWriter` and `io.ByteWriter` in Zap's
+  `buffer.Buffer`.
+
+Thanks to @atrn0, @ernado, @heyanfu, @hnlq715, @zchee
+for their contributions to this release.
+
+[#691]: https://github.com/uber-go/zap/pull/691
+[#897]: https://github.com/uber-go/zap/pull/897
+[#943]: https://github.com/uber-go/zap/pull/943
+[#949]: https://github.com/uber-go/zap/pull/949
+[#961]: https://github.com/uber-go/zap/pull/961
+[#971]: https://github.com/uber-go/zap/pull/971
 
 ## 1.17.0 (25 May 2021)
 

vendor/go.uber.org/zap/README.md

@@ -66,38 +66,38 @@ Log a message and 10 fields:
 
 | Package | Time | Time % to zap | Objects Allocated |
 | :------ | :--: | :-----------: | :---------------: |
-| :zap: zap | 862 ns/op | +0% | 5 allocs/op
+| :zap: zap | 2900 ns/op | +0% | 5 allocs/op
-| :zap: zap (sugared) | 1250 ns/op | +45% | 11 allocs/op
+| :zap: zap (sugared) | 3475 ns/op | +20% | 10 allocs/op
-| zerolog | 4021 ns/op | +366% | 76 allocs/op
+| zerolog | 10639 ns/op | +267% | 32 allocs/op
-| go-kit | 4542 ns/op | +427% | 105 allocs/op
+| go-kit | 14434 ns/op | +398% | 59 allocs/op
-| apex/log | 26785 ns/op | +3007% | 115 allocs/op
+| logrus | 17104 ns/op | +490% | 81 allocs/op
-| logrus | 29501 ns/op | +3322% | 125 allocs/op
+| apex/log | 32424 ns/op | +1018% | 66 allocs/op
-| log15 | 29906 ns/op | +3369% | 122 allocs/op
+| log15 | 33579 ns/op | +1058% | 76 allocs/op
 
 Log a message with a logger that already has 10 fields of context:
 
 | Package | Time | Time % to zap | Objects Allocated |
 | :------ | :--: | :-----------: | :---------------: |
-| :zap: zap | 126 ns/op | +0% | 0 allocs/op
+| :zap: zap | 373 ns/op | +0% | 0 allocs/op
-| :zap: zap (sugared) | 187 ns/op | +48% | 2 allocs/op
+| :zap: zap (sugared) | 452 ns/op | +21% | 1 allocs/op
-| zerolog | 88 ns/op | -30% | 0 allocs/op
+| zerolog | 288 ns/op | -23% | 0 allocs/op
-| go-kit | 5087 ns/op | +3937% | 103 allocs/op
+| go-kit | 11785 ns/op | +3060% | 58 allocs/op
-| log15 | 18548 ns/op | +14621% | 73 allocs/op
+| logrus | 19629 ns/op | +5162% | 70 allocs/op
-| apex/log | 26012 ns/op | +20544% | 104 allocs/op
+| log15 | 21866 ns/op | +5762% | 72 allocs/op
-| logrus | 27236 ns/op | +21516% | 113 allocs/op
+| apex/log | 30890 ns/op | +8182% | 55 allocs/op
 
 Log a static string, without any context or `printf`-style templating:
 
 | Package | Time | Time % to zap | Objects Allocated |
 | :------ | :--: | :-----------: | :---------------: |
-| :zap: zap | 118 ns/op | +0% | 0 allocs/op
+| :zap: zap | 381 ns/op | +0% | 0 allocs/op
-| :zap: zap (sugared) | 191 ns/op | +62% | 2 allocs/op
+| :zap: zap (sugared) | 410 ns/op | +8% | 1 allocs/op
-| zerolog | 93 ns/op | -21% | 0 allocs/op
+| zerolog | 369 ns/op | -3% | 0 allocs/op
-| go-kit | 280 ns/op | +137% | 11 allocs/op
+| standard library | 385 ns/op | +1% | 2 allocs/op
-| standard library | 499 ns/op | +323% | 2 allocs/op
+| go-kit | 606 ns/op | +59% | 11 allocs/op
-| apex/log | 1990 ns/op | +1586% | 10 allocs/op
+| logrus | 1730 ns/op | +354% | 25 allocs/op
-| logrus | 3129 ns/op | +2552% | 24 allocs/op
+| apex/log | 1998 ns/op | +424% | 7 allocs/op
-| log15 | 3887 ns/op | +3194% | 23 allocs/op
+| log15 | 4546 ns/op | +1093% | 22 allocs/op
 
 ## Development Status: Stable
 

vendor/go.uber.org/zap/buffer/buffer.go

@@ -106,6 +106,24 @@ func (b *Buffer) Write(bs []byte) (int, error) {
 	return len(bs), nil
 }
 
+// WriteByte writes a single byte to the Buffer.
+//
+// Error returned is always nil, function signature is compatible
+// with bytes.Buffer and bufio.Writer
+func (b *Buffer) WriteByte(v byte) error {
+	b.AppendByte(v)
+	return nil
+}
+
+// WriteString writes a string to the Buffer.
+//
+// Error returned is always nil, function signature is compatible
+// with bytes.Buffer and bufio.Writer
+func (b *Buffer) WriteString(s string) (int, error) {
+	b.AppendString(s)
+	return len(s), nil
+}
+
 // TrimNewline trims any final "\n" byte from the end of the buffer.
 func (b *Buffer) TrimNewline() {
 	if i := len(b.bs) - 1; i >= 0 {

vendor/go.uber.org/zap/global.go

@@ -31,6 +31,7 @@ import (
 )
 
 const (
+	_stdLogDefaultDepth      = 1
 	_loggerWriterDepth       = 2
 	_programmerErrorTemplate = "You've found a bug in zap! Please file a bug at " +
 		"https://github.com/uber-go/zap/issues/new and reference this error: %v"

vendor/go.uber.org/zap/level.go

@@ -86,6 +86,23 @@ func NewAtomicLevelAt(l zapcore.Level) AtomicLevel {
 	return a
 }
 
+// ParseAtomicLevel parses an AtomicLevel based on a lowercase or all-caps ASCII
+// representation of the log level. If the provided ASCII representation is
+// invalid an error is returned.
+//
+// This is particularly useful when dealing with text input to configure log
+// levels.
+func ParseAtomicLevel(text string) (AtomicLevel, error) {
+	a := NewAtomicLevel()
+	l, err := zapcore.ParseLevel(text)
+	if err != nil {
+		return a, err
+	}
+
+	a.SetLevel(l)
+	return a, nil
+}
+
 // Enabled implements the zapcore.LevelEnabler interface, which allows the
 // AtomicLevel to be used in place of traditional static levels.
 func (lvl AtomicLevel) Enabled(l zapcore.Level) bool {

vendor/go.uber.org/zap/logger.go

@@ -24,10 +24,9 @@ import (
 	"fmt"
 	"io/ioutil"
 	"os"
-	"runtime"
 	"strings"
-	"time"
 
+	"go.uber.org/zap/internal/bufferpool"
 	"go.uber.org/zap/zapcore"
 )
 
@@ -51,6 +50,8 @@ type Logger struct {
 	addStack zapcore.LevelEnabler
 
 	callerSkip int
+
+	clock zapcore.Clock
 }
 
 // New constructs a new Logger from the provided zapcore.Core and Options. If
@@ -71,6 +72,7 @@ func New(core zapcore.Core, options ...Option) *Logger {
 		core:        core,
 		errorOutput: zapcore.Lock(os.Stderr),
 		addStack:    zapcore.FatalLevel + 1,
+		clock:       zapcore.DefaultClock,
 	}
 	return log.WithOptions(options...)
 }
@@ -85,6 +87,7 @@ func NewNop() *Logger {
 		core:        zapcore.NewNopCore(),
 		errorOutput: zapcore.AddSync(ioutil.Discard),
 		addStack:    zapcore.FatalLevel + 1,
+		clock:       zapcore.DefaultClock,
 	}
 }
 
@@ -256,8 +259,10 @@ func (log *Logger) clone() *Logger {
 }
 
 func (log *Logger) check(lvl zapcore.Level, msg string) *zapcore.CheckedEntry {
-	// check must always be called directly by a method in the Logger interface
+	// Logger.check must always be called directly by a method in the
-	// (e.g., Check, Info, Fatal).
+	// Logger interface (e.g., Check, Info, Fatal).
+	// This skips Logger.check and the Info/Fatal/Check/etc. method that
+	// called it.
 	const callerSkipOffset = 2
 
 	// Check the level first to reduce the cost of disabled log calls.
@@ -270,7 +275,7 @@ func (log *Logger) check(lvl zapcore.Level, msg string) *zapcore.CheckedEntry {
 	// log message will actually be written somewhere.
 	ent := zapcore.Entry{
 		LoggerName: log.name,
-		Time:       time.Now(),
+		Time:       log.clock.Now(),
 		Level:      lvl,
 		Message:    msg,
 	}
@@ -304,42 +309,55 @@ func (log *Logger) check(lvl zapcore.Level, msg string) *zapcore.CheckedEntry {
 
 	// Thread the error output through to the CheckedEntry.
 	ce.ErrorOutput = log.errorOutput
-	if log.addCaller {
+
-		frame, defined := getCallerFrame(log.callerSkip + callerSkipOffset)
+	addStack := log.addStack.Enabled(ce.Level)
-		if !defined {
+	if !log.addCaller && !addStack {
-			fmt.Fprintf(log.errorOutput, "%v Logger.check error: failed to get caller\n", time.Now().UTC())
+		return ce
+	}
+
+	// Adding the caller or stack trace requires capturing the callers of
+	// this function. We'll share information between these two.
+	stackDepth := stacktraceFirst
+	if addStack {
+		stackDepth = stacktraceFull
+	}
+	stack := captureStacktrace(log.callerSkip+callerSkipOffset, stackDepth)
+	defer stack.Free()
+
+	if stack.Count() == 0 {
+		if log.addCaller {
+			fmt.Fprintf(log.errorOutput, "%v Logger.check error: failed to get caller\n", ent.Time.UTC())
 			log.errorOutput.Sync()
 		}
+		return ce
+	}
 
-		ce.Entry.Caller = zapcore.EntryCaller{
+	frame, more := stack.Next()
-			Defined:  defined,
+
+	if log.addCaller {
+		ce.Caller = zapcore.EntryCaller{
+			Defined:  frame.PC != 0,
 			PC:       frame.PC,
 			File:     frame.File,
 			Line:     frame.Line,
 			Function: frame.Function,
 		}
 	}
-	if log.addStack.Enabled(ce.Entry.Level) {
+
-		ce.Entry.Stack = StackSkip("", log.callerSkip+callerSkipOffset).String
+	if addStack {
+		buffer := bufferpool.Get()
+		defer buffer.Free()
+
+		stackfmt := newStackFormatter(buffer)
+
+		// We've already extracted the first frame, so format that
+		// separately and defer to stackfmt for the rest.
+		stackfmt.FormatFrame(frame)
+		if more {
+			stackfmt.FormatStack(stack)
+		}
+		ce.Stack = buffer.String()
 	}
 
 	return ce
 }
-
-// getCallerFrame gets caller frame. The argument skip is the number of stack
-// frames to ascend, with 0 identifying the caller of getCallerFrame. The
-// boolean ok is false if it was not possible to recover the information.
-//
-// Note: This implementation is similar to runtime.Caller, but it returns the whole frame.
-func getCallerFrame(skip int) (frame runtime.Frame, ok bool) {
-	const skipOffset = 2 // skip getCallerFrame and Callers
-
-	pc := make([]uintptr, 1)
-	numFrames := runtime.Callers(skip+skipOffset, pc)
-	if numFrames < 1 {
-		return
-	}
-
-	frame, _ = runtime.CallersFrames(pc).Next()
-	return frame, frame.PC != 0
-}

vendor/go.uber.org/zap/options.go

@@ -138,3 +138,11 @@ func OnFatal(action zapcore.CheckWriteAction) Option {
 		log.onFatal = action
 	})
 }
+
+// WithClock specifies the clock used by the logger to determine the current
+// time for logged entries. Defaults to the system clock with time.Now.
+func WithClock(clock zapcore.Clock) Option {
+	return optionFunc(func(log *Logger) {
+		log.clock = clock
+	})
+}

vendor/go.uber.org/zap/stacktrace.go

@@ -24,62 +24,153 @@ import (
 	"runtime"
 	"sync"
 
+	"go.uber.org/zap/buffer"
 	"go.uber.org/zap/internal/bufferpool"
 )
 
-var (
+var _stacktracePool = sync.Pool{
-	_stacktracePool = sync.Pool{
+	New: func() interface{} {
-		New: func() interface{} {
+		return &stacktrace{
-			return newProgramCounters(64)
+			storage: make([]uintptr, 64),
-		},
+		}
-	}
+	},
+}
+
+type stacktrace struct {
+	pcs    []uintptr // program counters; always a subslice of storage
+	frames *runtime.Frames
+
+	// The size of pcs varies depending on requirements:
+	// it will be one if the only the first frame was requested,
+	// and otherwise it will reflect the depth of the call stack.
+	//
+	// storage decouples the slice we need (pcs) from the slice we pool.
+	// We will always allocate a reasonably large storage, but we'll use
+	// only as much of it as we need.
+	storage []uintptr
+}
+
+// stacktraceDepth specifies how deep of a stack trace should be captured.
+type stacktraceDepth int
+
+const (
+	// stacktraceFirst captures only the first frame.
+	stacktraceFirst stacktraceDepth = iota
+
+	// stacktraceFull captures the entire call stack, allocating more
+	// storage for it if needed.
+	stacktraceFull
 )
 
+// captureStacktrace captures a stack trace of the specified depth, skipping
+// the provided number of frames. skip=0 identifies the caller of
+// captureStacktrace.
+//
+// The caller must call Free on the returned stacktrace after using it.
+func captureStacktrace(skip int, depth stacktraceDepth) *stacktrace {
+	stack := _stacktracePool.Get().(*stacktrace)
+
+	switch depth {
+	case stacktraceFirst:
+		stack.pcs = stack.storage[:1]
+	case stacktraceFull:
+		stack.pcs = stack.storage
+	}
+
+	// Unlike other "skip"-based APIs, skip=0 identifies runtime.Callers
+	// itself. +2 to skip captureStacktrace and runtime.Callers.
+	numFrames := runtime.Callers(
+		skip+2,
+		stack.pcs,
+	)
+
+	// runtime.Callers truncates the recorded stacktrace if there is no
+	// room in the provided slice. For the full stack trace, keep expanding
+	// storage until there are fewer frames than there is room.
+	if depth == stacktraceFull {
+		pcs := stack.pcs
+		for numFrames == len(pcs) {
+			pcs = make([]uintptr, len(pcs)*2)
+			numFrames = runtime.Callers(skip+2, pcs)
+		}
+
+		// Discard old storage instead of returning it to the pool.
+		// This will adjust the pool size over time if stack traces are
+		// consistently very deep.
+		stack.storage = pcs
+		stack.pcs = pcs[:numFrames]
+	} else {
+		stack.pcs = stack.pcs[:numFrames]
+	}
+
+	stack.frames = runtime.CallersFrames(stack.pcs)
+	return stack
+}
+
+// Free releases resources associated with this stacktrace
+// and returns it back to the pool.
+func (st *stacktrace) Free() {
+	st.frames = nil
+	st.pcs = nil
+	_stacktracePool.Put(st)
+}
+
+// Count reports the total number of frames in this stacktrace.
+// Count DOES NOT change as Next is called.
+func (st *stacktrace) Count() int {
+	return len(st.pcs)
+}
+
+// Next returns the next frame in the stack trace,
+// and a boolean indicating whether there are more after it.
+func (st *stacktrace) Next() (_ runtime.Frame, more bool) {
+	return st.frames.Next()
+}
+
 func takeStacktrace(skip int) string {
+	stack := captureStacktrace(skip+1, stacktraceFull)
+	defer stack.Free()
+
 	buffer := bufferpool.Get()
 	defer buffer.Free()
-	programCounters := _stacktracePool.Get().(*programCounters)
-	defer _stacktracePool.Put(programCounters)
-
-	var numFrames int
-	for {
-		// Skip the call to runtime.Callers and takeStacktrace so that the
-		// program counters start at the caller of takeStacktrace.
-		numFrames = runtime.Callers(skip+2, programCounters.pcs)
-		if numFrames < len(programCounters.pcs) {
-			break
-		}
-		// Don't put the too-short counter slice back into the pool; this lets
-		// the pool adjust if we consistently take deep stacktraces.
-		programCounters = newProgramCounters(len(programCounters.pcs) * 2)
-	}
-
-	i := 0
-	frames := runtime.CallersFrames(programCounters.pcs[:numFrames])
-
-	// Note: On the last iteration, frames.Next() returns false, with a valid
-	// frame, but we ignore this frame. The last frame is a a runtime frame which
-	// adds noise, since it's only either runtime.main or runtime.goexit.
-	for frame, more := frames.Next(); more; frame, more = frames.Next() {
-		if i != 0 {
-			buffer.AppendByte('\n')
-		}
-		i++
-		buffer.AppendString(frame.Function)
-		buffer.AppendByte('\n')
-		buffer.AppendByte('\t')
-		buffer.AppendString(frame.File)
-		buffer.AppendByte(':')
-		buffer.AppendInt(int64(frame.Line))
-	}
 
+	stackfmt := newStackFormatter(buffer)
+	stackfmt.FormatStack(stack)
 	return buffer.String()
 }
 
-type programCounters struct {
+// stackFormatter formats a stack trace into a readable string representation.
-	pcs []uintptr
+type stackFormatter struct {
+	b        *buffer.Buffer
+	nonEmpty bool // whehther we've written at least one frame already
 }
 
-func newProgramCounters(size int) *programCounters {
+// newStackFormatter builds a new stackFormatter.
-	return &programCounters{make([]uintptr, size)}
+func newStackFormatter(b *buffer.Buffer) stackFormatter {
+	return stackFormatter{b: b}
+}
+
+// FormatStack formats all remaining frames in the provided stacktrace -- minus
+// the final runtime.main/runtime.goexit frame.
+func (sf *stackFormatter) FormatStack(stack *stacktrace) {
+	// Note: On the last iteration, frames.Next() returns false, with a valid
+	// frame, but we ignore this frame. The last frame is a a runtime frame which
+	// adds noise, since it's only either runtime.main or runtime.goexit.
+	for frame, more := stack.Next(); more; frame, more = stack.Next() {
+		sf.FormatFrame(frame)
+	}
+}
+
+// FormatFrame formats the given frame.
+func (sf *stackFormatter) FormatFrame(frame runtime.Frame) {
+	if sf.nonEmpty {
+		sf.b.AppendByte('\n')
+	}
+	sf.nonEmpty = true
+	sf.b.AppendString(frame.Function)
+	sf.b.AppendByte('\n')
+	sf.b.AppendByte('\t')
+	sf.b.AppendString(frame.File)
+	sf.b.AppendByte(':')
+	sf.b.AppendInt(int64(frame.Line))
 }

vendor/go.uber.org/zap/sugar.go

@@ -266,7 +266,7 @@ func (s *SugaredLogger) sweetenFields(args []interface{}) []Field {
 
 		// Make sure this element isn't a dangling key.
 		if i == len(args)-1 {
-			s.base.DPanic(_oddNumberErrMsg, Any("ignored", args[i]))
+			s.base.Error(_oddNumberErrMsg, Any("ignored", args[i]))
 			break
 		}
 
@@ -287,7 +287,7 @@ func (s *SugaredLogger) sweetenFields(args []interface{}) []Field {
 
 	// If we encountered any invalid key-value pairs, log an error.
 	if len(invalid) > 0 {
-		s.base.DPanic(_nonStringKeyErrMsg, Array("invalid", invalid))
+		s.base.Error(_nonStringKeyErrMsg, Array("invalid", invalid))
 	}
 	return fields
 }

vendor/go.uber.org/zap/zapcore/buffered_write_syncer.go

@@ -0,0 +1,188 @@
+// Copyright (c) 2021 Uber Technologies, Inc.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+
+package zapcore
+
+import (
+	"bufio"
+	"sync"
+	"time"
+
+	"go.uber.org/multierr"
+)
+
+const (
+	// _defaultBufferSize specifies the default size used by Buffer.
+	_defaultBufferSize = 256 * 1024 // 256 kB
+
+	// _defaultFlushInterval specifies the default flush interval for
+	// Buffer.
+	_defaultFlushInterval = 30 * time.Second
+)
+
+// A BufferedWriteSyncer is a WriteSyncer that buffers writes in-memory before
+// flushing them to a wrapped WriteSyncer after reaching some limit, or at some
+// fixed interval--whichever comes first.
+//
+// BufferedWriteSyncer is safe for concurrent use. You don't need to use
+// zapcore.Lock for WriteSyncers with BufferedWriteSyncer.
+type BufferedWriteSyncer struct {
+	// WS is the WriteSyncer around which BufferedWriteSyncer will buffer
+	// writes.
+	//
+	// This field is required.
+	WS WriteSyncer
+
+	// Size specifies the maximum amount of data the writer will buffered
+	// before flushing.
+	//
+	// Defaults to 256 kB if unspecified.
+	Size int
+
+	// FlushInterval specifies how often the writer should flush data if
+	// there have been no writes.
+	//
+	// Defaults to 30 seconds if unspecified.
+	FlushInterval time.Duration
+
+	// Clock, if specified, provides control of the source of time for the
+	// writer.
+	//
+	// Defaults to the system clock.
+	Clock Clock
+
+	// unexported fields for state
+	mu          sync.Mutex
+	initialized bool // whether initialize() has run
+	stopped     bool // whether Stop() has run
+	writer      *bufio.Writer
+	ticker      *time.Ticker
+	stop        chan struct{} // closed when flushLoop should stop
+	done        chan struct{} // closed when flushLoop has stopped
+}
+
+func (s *BufferedWriteSyncer) initialize() {
+	size := s.Size
+	if size == 0 {
+		size = _defaultBufferSize
+	}
+
+	flushInterval := s.FlushInterval
+	if flushInterval == 0 {
+		flushInterval = _defaultFlushInterval
+	}
+
+	if s.Clock == nil {
+		s.Clock = DefaultClock
+	}
+
+	s.ticker = s.Clock.NewTicker(flushInterval)
+	s.writer = bufio.NewWriterSize(s.WS, size)
+	s.stop = make(chan struct{})
+	s.done = make(chan struct{})
+	s.initialized = true
+	go s.flushLoop()
+}
+
+// Write writes log data into buffer syncer directly, multiple Write calls will be batched,
+// and log data will be flushed to disk when the buffer is full or periodically.
+func (s *BufferedWriteSyncer) Write(bs []byte) (int, error) {
+	s.mu.Lock()
+	defer s.mu.Unlock()
+
+	if !s.initialized {
+		s.initialize()
+	}
+
+	// To avoid partial writes from being flushed, we manually flush the existing buffer if:
+	// * The current write doesn't fit into the buffer fully, and
+	// * The buffer is not empty (since bufio will not split large writes when the buffer is empty)
+	if len(bs) > s.writer.Available() && s.writer.Buffered() > 0 {
+		if err := s.writer.Flush(); err != nil {
+			return 0, err
+		}
+	}
+
+	return s.writer.Write(bs)
+}
+
+// Sync flushes buffered log data into disk directly.
+func (s *BufferedWriteSyncer) Sync() error {
+	s.mu.Lock()
+	defer s.mu.Unlock()
+
+	var err error
+	if s.initialized {
+		err = s.writer.Flush()
+	}
+
+	return multierr.Append(err, s.WS.Sync())
+}
+
+// flushLoop flushes the buffer at the configured interval until Stop is
+// called.
+func (s *BufferedWriteSyncer) flushLoop() {
+	defer close(s.done)
+
+	for {
+		select {
+		case <-s.ticker.C:
+			// we just simply ignore error here
+			// because the underlying bufio writer stores any errors
+			// and we return any error from Sync() as part of the close
+			_ = s.Sync()
+		case <-s.stop:
+			return
+		}
+	}
+}
+
+// Stop closes the buffer, cleans up background goroutines, and flushes
+// remaining unwritten data.
+func (s *BufferedWriteSyncer) Stop() (err error) {
+	var stopped bool
+
+	// Critical section.
+	func() {
+		s.mu.Lock()
+		defer s.mu.Unlock()
+
+		if !s.initialized {
+			return
+		}
+
+		stopped = s.stopped
+		if stopped {
+			return
+		}
+		s.stopped = true
+
+		s.ticker.Stop()
+		close(s.stop) // tell flushLoop to stop
+		<-s.done      // and wait until it has
+	}()
+
+	// Don't call Sync on consecutive Stops.
+	if !stopped {
+		err = s.Sync()
+	}
+
+	return err
+}

vendor/go.uber.org/zap/zapcore/clock.go

@@ -1,4 +1,4 @@
-// Copyright (c) 2019 Uber Technologies, Inc.
+// Copyright (c) 2021 Uber Technologies, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
@@ -18,9 +18,31 @@
 // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 // THE SOFTWARE.
 
-// See #682 for more information.
+package zapcore
-// +build !go1.12
 
-package zap
+import "time"
 
-const _stdLogDefaultDepth = 2
+// DefaultClock is the default clock used by Zap in operations that require
+// time. This clock uses the system clock for all operations.
+var DefaultClock = systemClock{}
+
+// Clock is a source of time for logged entries.
+type Clock interface {
+	// Now returns the current local time.
+	Now() time.Time
+
+	// NewTicker returns *time.Ticker that holds a channel
+	// that delivers "ticks" of a clock.
+	NewTicker(time.Duration) *time.Ticker
+}
+
+// systemClock implements default Clock that uses system time.
+type systemClock struct{}
+
+func (systemClock) Now() time.Time {
+	return time.Now()
+}
+
+func (systemClock) NewTicker(duration time.Duration) *time.Ticker {
+	return time.NewTicker(duration)
+}

vendor/go.uber.org/zap/zapcore/console_encoder.go

@@ -125,11 +125,7 @@ func (c consoleEncoder) EncodeEntry(ent Entry, fields []Field) (*buffer.Buffer,
 		line.AppendString(ent.Stack)
 	}
 
-	if c.LineEnding != "" {
+	line.AppendString(c.LineEnding)
-		line.AppendString(c.LineEnding)
-	} else {
-		line.AppendString(DefaultLineEnding)
-	}
 	return line, nil
 }
 

vendor/go.uber.org/zap/zapcore/encoder.go

@@ -22,6 +22,7 @@ package zapcore
 
 import (
 	"encoding/json"
+	"io"
 	"time"
 
 	"go.uber.org/zap/buffer"
@@ -312,14 +313,15 @@ func (e *NameEncoder) UnmarshalText(text []byte) error {
 type EncoderConfig struct {
 	// Set the keys used for each log entry. If any key is empty, that portion
 	// of the entry is omitted.
-	MessageKey    string `json:"messageKey" yaml:"messageKey"`
+	MessageKey     string `json:"messageKey" yaml:"messageKey"`
-	LevelKey      string `json:"levelKey" yaml:"levelKey"`
+	LevelKey       string `json:"levelKey" yaml:"levelKey"`
-	TimeKey       string `json:"timeKey" yaml:"timeKey"`
+	TimeKey        string `json:"timeKey" yaml:"timeKey"`
-	NameKey       string `json:"nameKey" yaml:"nameKey"`
+	NameKey        string `json:"nameKey" yaml:"nameKey"`
-	CallerKey     string `json:"callerKey" yaml:"callerKey"`
+	CallerKey      string `json:"callerKey" yaml:"callerKey"`
-	FunctionKey   string `json:"functionKey" yaml:"functionKey"`
+	FunctionKey    string `json:"functionKey" yaml:"functionKey"`
-	StacktraceKey string `json:"stacktraceKey" yaml:"stacktraceKey"`
+	StacktraceKey  string `json:"stacktraceKey" yaml:"stacktraceKey"`
-	LineEnding    string `json:"lineEnding" yaml:"lineEnding"`
+	SkipLineEnding bool   `json:"skipLineEnding" yaml:"skipLineEnding"`
+	LineEnding     string `json:"lineEnding" yaml:"lineEnding"`
 	// Configure the primitive representations of common complex types. For
 	// example, some users may want all time.Times serialized as floating-point
 	// seconds since epoch, while others may prefer ISO8601 strings.
@@ -330,6 +332,9 @@ type EncoderConfig struct {
 	// Unlike the other primitive type encoders, EncodeName is optional. The
 	// zero value falls back to FullNameEncoder.
 	EncodeName NameEncoder `json:"nameEncoder" yaml:"nameEncoder"`
+	// Configure the encoder for interface{} type objects.
+	// If not provided, objects are encoded using json.Encoder
+	NewReflectedEncoder func(io.Writer) ReflectedEncoder `json:"-" yaml:"-"`
 	// Configures the field separator used by the console encoder. Defaults
 	// to tab.
 	ConsoleSeparator string `json:"consoleSeparator" yaml:"consoleSeparator"`

vendor/go.uber.org/zap/zapcore/entry.go

@@ -208,7 +208,7 @@ func (ce *CheckedEntry) Write(fields ...Field) {
 			// If the entry is dirty, log an internal error; because the
 			// CheckedEntry is being used after it was returned to the pool,
 			// the message may be an amalgamation from multiple call sites.
-			fmt.Fprintf(ce.ErrorOutput, "%v Unsafe CheckedEntry re-use near Entry %+v.\n", time.Now(), ce.Entry)
+			fmt.Fprintf(ce.ErrorOutput, "%v Unsafe CheckedEntry re-use near Entry %+v.\n", ce.Time, ce.Entry)
 			ce.ErrorOutput.Sync()
 		}
 		return
@@ -219,11 +219,9 @@ func (ce *CheckedEntry) Write(fields ...Field) {
 	for i := range ce.cores {
 		err = multierr.Append(err, ce.cores[i].Write(ce.Entry, fields))
 	}
-	if ce.ErrorOutput != nil {
+	if err != nil && ce.ErrorOutput != nil {
-		if err != nil {
+		fmt.Fprintf(ce.ErrorOutput, "%v write error: %v\n", ce.Time, err)
-			fmt.Fprintf(ce.ErrorOutput, "%v write error: %v\n", time.Now(), err)
+		ce.ErrorOutput.Sync()
-			ce.ErrorOutput.Sync()
-		}
 	}
 
 	should, msg := ce.should, ce.Message

vendor/go.uber.org/zap/zapcore/error.go

@@ -83,7 +83,7 @@ type errorGroup interface {
 	Errors() []error
 }
 
-// Note that errArry and errArrayElem are very similar to the version
+// Note that errArray and errArrayElem are very similar to the version
 // implemented in the top-level error.go file. We can't re-use this because
 // that would require exporting errArray as part of the zapcore API.
 

vendor/go.uber.org/zap/zapcore/json_encoder.go

@@ -22,7 +22,6 @@ package zapcore
 
 import (
 	"encoding/base64"
-	"encoding/json"
 	"math"
 	"sync"
 	"time"
@@ -64,7 +63,7 @@ type jsonEncoder struct {
 
 	// for encoding generic values by reflection
 	reflectBuf *buffer.Buffer
-	reflectEnc *json.Encoder
+	reflectEnc ReflectedEncoder
 }
 
 // NewJSONEncoder creates a fast, low-allocation JSON encoder. The encoder
@@ -82,6 +81,17 @@ func NewJSONEncoder(cfg EncoderConfig) Encoder {
 }
 
 func newJSONEncoder(cfg EncoderConfig, spaced bool) *jsonEncoder {
+	if cfg.SkipLineEnding {
+		cfg.LineEnding = ""
+	} else if cfg.LineEnding == "" {
+		cfg.LineEnding = DefaultLineEnding
+	}
+
+	// If no EncoderConfig.NewReflectedEncoder is provided by the user, then use default
+	if cfg.NewReflectedEncoder == nil {
+		cfg.NewReflectedEncoder = defaultReflectedEncoder
+	}
+
 	return &jsonEncoder{
 		EncoderConfig: &cfg,
 		buf:           bufferpool.Get(),
@@ -118,6 +128,11 @@ func (enc *jsonEncoder) AddComplex128(key string, val complex128) {
 	enc.AppendComplex128(val)
 }
 
+func (enc *jsonEncoder) AddComplex64(key string, val complex64) {
+	enc.addKey(key)
+	enc.AppendComplex64(val)
+}
+
 func (enc *jsonEncoder) AddDuration(key string, val time.Duration) {
 	enc.addKey(key)
 	enc.AppendDuration(val)
@@ -128,6 +143,11 @@ func (enc *jsonEncoder) AddFloat64(key string, val float64) {
 	enc.AppendFloat64(val)
 }
 
+func (enc *jsonEncoder) AddFloat32(key string, val float32) {
+	enc.addKey(key)
+	enc.AppendFloat32(val)
+}
+
 func (enc *jsonEncoder) AddInt64(key string, val int64) {
 	enc.addKey(key)
 	enc.AppendInt64(val)
@@ -136,10 +156,7 @@ func (enc *jsonEncoder) AddInt64(key string, val int64) {
 func (enc *jsonEncoder) resetReflectBuf() {
 	if enc.reflectBuf == nil {
 		enc.reflectBuf = bufferpool.Get()
-		enc.reflectEnc = json.NewEncoder(enc.reflectBuf)
+		enc.reflectEnc = enc.NewReflectedEncoder(enc.reflectBuf)
-
-		// For consistency with our custom JSON encoder.
-		enc.reflectEnc.SetEscapeHTML(false)
 	} else {
 		enc.reflectBuf.Reset()
 	}
@@ -201,10 +218,16 @@ func (enc *jsonEncoder) AppendArray(arr ArrayMarshaler) error {
 }
 
 func (enc *jsonEncoder) AppendObject(obj ObjectMarshaler) error {
+	// Close ONLY new openNamespaces that are created during
+	// AppendObject().
+	old := enc.openNamespaces
+	enc.openNamespaces = 0
 	enc.addElementSeparator()
 	enc.buf.AppendByte('{')
 	err := obj.MarshalLogObject(enc)
 	enc.buf.AppendByte('}')
+	enc.closeOpenNamespaces()
+	enc.openNamespaces = old
 	return err
 }
 
@@ -220,16 +243,23 @@ func (enc *jsonEncoder) AppendByteString(val []byte) {
 	enc.buf.AppendByte('"')
 }
 
-func (enc *jsonEncoder) AppendComplex128(val complex128) {
+// appendComplex appends the encoded form of the provided complex128 value.
+// precision specifies the encoding precision for the real and imaginary
+// components of the complex number.
+func (enc *jsonEncoder) appendComplex(val complex128, precision int) {
 	enc.addElementSeparator()
 	// Cast to a platform-independent, fixed-size type.
 	r, i := float64(real(val)), float64(imag(val))
 	enc.buf.AppendByte('"')
 	// Because we're always in a quoted string, we can use strconv without
 	// special-casing NaN and +/-Inf.
-	enc.buf.AppendFloat(r, 64)
+	enc.buf.AppendFloat(r, precision)
-	enc.buf.AppendByte('+')
+	// If imaginary part is less than 0, minus (-) sign is added by default
-	enc.buf.AppendFloat(i, 64)
+	// by AppendFloat.
+	if i >= 0 {
+		enc.buf.AppendByte('+')
+	}
+	enc.buf.AppendFloat(i, precision)
 	enc.buf.AppendByte('i')
 	enc.buf.AppendByte('"')
 }
@@ -292,29 +322,28 @@ func (enc *jsonEncoder) AppendUint64(val uint64) {
 	enc.buf.AppendUint(val)
 }
 
-func (enc *jsonEncoder) AddComplex64(k string, v complex64) { enc.AddComplex128(k, complex128(v)) }
+func (enc *jsonEncoder) AddInt(k string, v int)         { enc.AddInt64(k, int64(v)) }
-func (enc *jsonEncoder) AddFloat32(k string, v float32)     { enc.AddFloat64(k, float64(v)) }
+func (enc *jsonEncoder) AddInt32(k string, v int32)     { enc.AddInt64(k, int64(v)) }
-func (enc *jsonEncoder) AddInt(k string, v int)             { enc.AddInt64(k, int64(v)) }
+func (enc *jsonEncoder) AddInt16(k string, v int16)     { enc.AddInt64(k, int64(v)) }
-func (enc *jsonEncoder) AddInt32(k string, v int32)         { enc.AddInt64(k, int64(v)) }
+func (enc *jsonEncoder) AddInt8(k string, v int8)       { enc.AddInt64(k, int64(v)) }
-func (enc *jsonEncoder) AddInt16(k string, v int16)         { enc.AddInt64(k, int64(v)) }
+func (enc *jsonEncoder) AddUint(k string, v uint)       { enc.AddUint64(k, uint64(v)) }
-func (enc *jsonEncoder) AddInt8(k string, v int8)           { enc.AddInt64(k, int64(v)) }
+func (enc *jsonEncoder) AddUint32(k string, v uint32)   { enc.AddUint64(k, uint64(v)) }
-func (enc *jsonEncoder) AddUint(k string, v uint)           { enc.AddUint64(k, uint64(v)) }
+func (enc *jsonEncoder) AddUint16(k string, v uint16)   { enc.AddUint64(k, uint64(v)) }
-func (enc *jsonEncoder) AddUint32(k string, v uint32)       { enc.AddUint64(k, uint64(v)) }
+func (enc *jsonEncoder) AddUint8(k string, v uint8)     { enc.AddUint64(k, uint64(v)) }
-func (enc *jsonEncoder) AddUint16(k string, v uint16)       { enc.AddUint64(k, uint64(v)) }
+func (enc *jsonEncoder) AddUintptr(k string, v uintptr) { enc.AddUint64(k, uint64(v)) }
-func (enc *jsonEncoder) AddUint8(k string, v uint8)         { enc.AddUint64(k, uint64(v)) }
+func (enc *jsonEncoder) AppendComplex64(v complex64)    { enc.appendComplex(complex128(v), 32) }
-func (enc *jsonEncoder) AddUintptr(k string, v uintptr)     { enc.AddUint64(k, uint64(v)) }
+func (enc *jsonEncoder) AppendComplex128(v complex128)  { enc.appendComplex(complex128(v), 64) }
-func (enc *jsonEncoder) AppendComplex64(v complex64)        { enc.AppendComplex128(complex128(v)) }
+func (enc *jsonEncoder) AppendFloat64(v float64)        { enc.appendFloat(v, 64) }
-func (enc *jsonEncoder) AppendFloat64(v float64)            { enc.appendFloat(v, 64) }
+func (enc *jsonEncoder) AppendFloat32(v float32)        { enc.appendFloat(float64(v), 32) }
-func (enc *jsonEncoder) AppendFloat32(v float32)            { enc.appendFloat(float64(v), 32) }
+func (enc *jsonEncoder) AppendInt(v int)                { enc.AppendInt64(int64(v)) }
-func (enc *jsonEncoder) AppendInt(v int)                    { enc.AppendInt64(int64(v)) }
+func (enc *jsonEncoder) AppendInt32(v int32)            { enc.AppendInt64(int64(v)) }
-func (enc *jsonEncoder) AppendInt32(v int32)                { enc.AppendInt64(int64(v)) }
+func (enc *jsonEncoder) AppendInt16(v int16)            { enc.AppendInt64(int64(v)) }
-func (enc *jsonEncoder) AppendInt16(v int16)                { enc.AppendInt64(int64(v)) }
+func (enc *jsonEncoder) AppendInt8(v int8)              { enc.AppendInt64(int64(v)) }
-func (enc *jsonEncoder) AppendInt8(v int8)                  { enc.AppendInt64(int64(v)) }
+func (enc *jsonEncoder) AppendUint(v uint)              { enc.AppendUint64(uint64(v)) }
-func (enc *jsonEncoder) AppendUint(v uint)                  { enc.AppendUint64(uint64(v)) }
+func (enc *jsonEncoder) AppendUint32(v uint32)          { enc.AppendUint64(uint64(v)) }
-func (enc *jsonEncoder) AppendUint32(v uint32)              { enc.AppendUint64(uint64(v)) }
+func (enc *jsonEncoder) AppendUint16(v uint16)          { enc.AppendUint64(uint64(v)) }
-func (enc *jsonEncoder) AppendUint16(v uint16)              { enc.AppendUint64(uint64(v)) }
+func (enc *jsonEncoder) AppendUint8(v uint8)            { enc.AppendUint64(uint64(v)) }
-func (enc *jsonEncoder) AppendUint8(v uint8)                { enc.AppendUint64(uint64(v)) }
+func (enc *jsonEncoder) AppendUintptr(v uintptr)        { enc.AppendUint64(uint64(v)) }
-func (enc *jsonEncoder) AppendUintptr(v uintptr)            { enc.AppendUint64(uint64(v)) }
 
 func (enc *jsonEncoder) Clone() Encoder {
 	clone := enc.clone()
@@ -335,7 +364,7 @@ func (enc *jsonEncoder) EncodeEntry(ent Entry, fields []Field) (*buffer.Buffer,
 	final := enc.clone()
 	final.buf.AppendByte('{')
 
-	if final.LevelKey != "" {
+	if final.LevelKey != "" && final.EncodeLevel != nil {
 		final.addKey(final.LevelKey)
 		cur := final.buf.Len()
 		final.EncodeLevel(ent.Level, final)
@@ -396,11 +425,7 @@ func (enc *jsonEncoder) EncodeEntry(ent Entry, fields []Field) (*buffer.Buffer,
 		final.AddString(final.StacktraceKey, ent.Stack)
 	}
 	final.buf.AppendByte('}')
-	if final.LineEnding != "" {
+	final.buf.AppendString(final.LineEnding)
-		final.buf.AppendString(final.LineEnding)
-	} else {
-		final.buf.AppendString(DefaultLineEnding)
-	}
 
 	ret := final.buf
 	putJSONEncoder(final)
@@ -415,6 +440,7 @@ func (enc *jsonEncoder) closeOpenNamespaces() {
 	for i := 0; i < enc.openNamespaces; i++ {
 		enc.buf.AppendByte('}')
 	}
+	enc.openNamespaces = 0
 }
 
 func (enc *jsonEncoder) addKey(key string) {

vendor/go.uber.org/zap/zapcore/level.go

@@ -55,6 +55,18 @@ const (
 	_maxLevel = FatalLevel
 )
 
+// ParseLevel parses a level based on the lower-case or all-caps ASCII
+// representation of the log level. If the provided ASCII representation is
+// invalid an error is returned.
+//
+// This is particularly useful when dealing with text input to configure log
+// levels.
+func ParseLevel(text string) (Level, error) {
+	var level Level
+	err := level.UnmarshalText([]byte(text))
+	return level, err
+}
+
 // String returns a lower-case ASCII representation of the log level.
 func (l Level) String() string {
 	switch l {

vendor/go.uber.org/zap/zapcore/reflected_encoder.go

@@ -1,4 +1,4 @@
-// Copyright (c) 2019 Uber Technologies, Inc.
+// Copyright (c) 2016 Uber Technologies, Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
@@ -18,9 +18,24 @@
 // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 // THE SOFTWARE.
 
-// See #682 for more information.
+package zapcore
-// +build go1.12
 
-package zap
+import (
+	"encoding/json"
+	"io"
+)
 
-const _stdLogDefaultDepth = 1
+// ReflectedEncoder serializes log fields that can't be serialized with Zap's
+// JSON encoder. These have the ReflectType field type.
+// Use EncoderConfig.NewReflectedEncoder to set this.
+type ReflectedEncoder interface {
+	// Encode encodes and writes to the underlying data stream.
+	Encode(interface{}) error
+}
+
+func defaultReflectedEncoder(w io.Writer) ReflectedEncoder {
+	enc := json.NewEncoder(w)
+	// For consistency with our custom JSON encoder.
+	enc.SetEscapeHTML(false)
+	return enc
+}

vendor/go.uber.org/zap/zapcore/sampler.go

@@ -133,10 +133,21 @@ func SamplerHook(hook func(entry Entry, dec SamplingDecision)) SamplerOption {
 // each tick. If more Entries with the same level and message are seen during
 // the same interval, every Mth message is logged and the rest are dropped.
 //
+// For example,
+//
+//   core = NewSamplerWithOptions(core, time.Second, 10, 5)
+//
+// This will log the first 10 log entries with the same level and message
+// in a one second interval as-is. Following that, it will allow through
+// every 5th log entry with the same level and message in that interval.
+//
+// If thereafter is zero, the Core will drop all log entries after the first N
+// in that interval.
+//
 // Sampler can be configured to report sampling decisions with the SamplerHook
 // option.
 //
-// Keep in mind that zap's sampling implementation is optimized for speed over
+// Keep in mind that Zap's sampling implementation is optimized for speed over
 // absolute precision; under load, each tick may be slightly over- or
 // under-sampled.
 func NewSamplerWithOptions(core Core, tick time.Duration, first, thereafter int, opts ...SamplerOption) Core {
@@ -197,12 +208,14 @@ func (s *sampler) Check(ent Entry, ce *CheckedEntry) *CheckedEntry {
 		return ce
 	}
 
-	counter := s.counts.get(ent.Level, ent.Message)
+	if ent.Level >= _minLevel && ent.Level <= _maxLevel {
-	n := counter.IncCheckReset(ent.Time, s.tick)
+		counter := s.counts.get(ent.Level, ent.Message)
-	if n > s.first && (n-s.first)%s.thereafter != 0 {
+		n := counter.IncCheckReset(ent.Time, s.tick)
-		s.hook(ent, LogDropped)
+		if n > s.first && (s.thereafter == 0 || (n-s.first)%s.thereafter != 0) {
-		return ce
+			s.hook(ent, LogDropped)
+			return ce
+		}
+		s.hook(ent, LogSampled)
 	}
-	s.hook(ent, LogSampled)
 	return s.Core.Check(ent, ce)
 }

vendor/modules.txt

@@ -889,7 +889,7 @@ go.uber.org/atomic
 # go.uber.org/multierr v1.8.0
 ## explicit; go 1.14
 go.uber.org/multierr
-# go.uber.org/zap v1.17.0
+# go.uber.org/zap v1.21.0
 ## explicit; go 1.13
 go.uber.org/zap
 go.uber.org/zap/buffer