From e6e35f207768f1bd824d1a83fddd48652bbda0bf Mon Sep 17 00:00:00 2001
From: Kristin Laemmert <mildwonkey@users.noreply.github.com>
Date: Thu, 3 Sep 2020 11:01:15 -0400
Subject: [PATCH] deps: bump go-cty version (#26079)

go-cty v1.6.1 fixes a panic in the `element` function when called with a negative offset.
---
 go.mod                                        |   3 +-
 go.sum                                        |  14 +-
 .../vmihailenco/msgpack/.travis.yml           |  17 --
 .../github.com/vmihailenco/msgpack/encode.go  | 170 ------------
 vendor/github.com/vmihailenco/msgpack/tag.go  |  42 ---
 .../vmihailenco/msgpack/v4/.golangci.yml      |  12 +
 .../vmihailenco/msgpack/v4/.travis.yml        |  21 ++
 .../vmihailenco/msgpack/{ => v4}/CHANGELOG.md |   2 +-
 .../vmihailenco/msgpack/{ => v4}/LICENSE      |   0
 .../vmihailenco/msgpack/{ => v4}/Makefile     |   5 +-
 .../vmihailenco/msgpack/{ => v4}/README.md    |  17 +-
 .../vmihailenco/msgpack/{ => v4}/appengine.go |   0
 .../msgpack/{ => v4}/codes/codes.go           |   4 +
 .../vmihailenco/msgpack/{ => v4}/decode.go    | 167 ++++++++----
 .../msgpack/{ => v4}/decode_map.go            |  50 ++--
 .../msgpack/{ => v4}/decode_number.go         |   2 +-
 .../msgpack/{ => v4}/decode_query.go          |   2 +-
 .../msgpack/{ => v4}/decode_slice.go          |  24 +-
 .../msgpack/{ => v4}/decode_string.go         |  31 ++-
 .../msgpack/{ => v4}/decode_value.go          |  76 ++++--
 .../vmihailenco/msgpack/v4/encode.go          | 241 ++++++++++++++++++
 .../msgpack/{ => v4}/encode_map.go            |  14 +-
 .../msgpack/{ => v4}/encode_number.go         |  40 ++-
 .../msgpack/{ => v4}/encode_slice.go          |   9 +-
 .../msgpack/{ => v4}/encode_value.go          |  79 ++++--
 .../vmihailenco/msgpack/{ => v4}/ext.go       |  54 ++--
 .../github.com/vmihailenco/msgpack/v4/go.mod  |  13 +
 .../github.com/vmihailenco/msgpack/v4/go.sum  |  24 ++
 .../vmihailenco/msgpack/v4/intern.go          | 236 +++++++++++++++++
 .../vmihailenco/msgpack/{ => v4}/msgpack.go   |   0
 .../github.com/vmihailenco/msgpack/v4/safe.go |  13 +
 .../vmihailenco/msgpack/{ => v4}/time.go      |  30 ++-
 .../vmihailenco/msgpack/{ => v4}/types.go     | 206 ++++++++++-----
 .../vmihailenco/msgpack/v4/unsafe.go          |  22 ++
 .../vmihailenco/tagparser/.travis.yml         |  24 ++
 .../github.com/vmihailenco/tagparser/LICENSE  |  25 ++
 .../github.com/vmihailenco/tagparser/Makefile |   8 +
 .../vmihailenco/tagparser/README.md           |  24 ++
 .../github.com/vmihailenco/tagparser/go.mod   |   3 +
 .../tagparser/internal/parser/parser.go       |  82 ++++++
 .../vmihailenco/tagparser/internal/safe.go    |  11 +
 .../vmihailenco/tagparser/internal/unsafe.go  |  22 ++
 .../vmihailenco/tagparser/tagparser.go        | 176 +++++++++++++
 .../cty/convert/conversion_collection.go      |  18 ++
 .../go-cty/cty/convert/conversion_object.go   |  19 ++
 .../go-cty/cty/convert/mismatch_msg.go        |   4 +-
 .../go-cty/cty/function/stdlib/collection.go  |  23 +-
 .../go-cty/cty/function/stdlib/format.go      |   2 +-
 .../zclconf/go-cty/cty/function/stdlib/set.go |  24 +-
 vendor/github.com/zclconf/go-cty/cty/json.go  |  25 +-
 .../zclconf/go-cty/cty/msgpack/dynamic.go     |   2 +-
 .../zclconf/go-cty/cty/msgpack/marshal.go     |   3 +-
 .../go-cty/cty/msgpack/type_implied.go        |   4 +-
 .../zclconf/go-cty/cty/msgpack/unmarshal.go   |   4 +-
 .../zclconf/go-cty/cty/object_type.go         |  89 ++++++-
 .../github.com/zclconf/go-cty/cty/unknown.go  |   3 +-
 .../zclconf/go-cty/cty/value_ops.go           | 104 ++++++--
 vendor/google.golang.org/appengine/go.mod     |   5 +-
 vendor/google.golang.org/appengine/go.sum     |  11 -
 .../appengine/internal/net.go                 |   2 +-
 vendor/modules.txt                            |  15 +-
 61 files changed, 1811 insertions(+), 561 deletions(-)
 delete mode 100644 vendor/github.com/vmihailenco/msgpack/.travis.yml
 delete mode 100644 vendor/github.com/vmihailenco/msgpack/encode.go
 delete mode 100644 vendor/github.com/vmihailenco/msgpack/tag.go
 create mode 100644 vendor/github.com/vmihailenco/msgpack/v4/.golangci.yml
 create mode 100644 vendor/github.com/vmihailenco/msgpack/v4/.travis.yml
 rename vendor/github.com/vmihailenco/msgpack/{ => v4}/CHANGELOG.md (99%)
 rename vendor/github.com/vmihailenco/msgpack/{ => v4}/LICENSE (100%)
 rename vendor/github.com/vmihailenco/msgpack/{ => v4}/Makefile (58%)
 rename vendor/github.com/vmihailenco/msgpack/{ => v4}/README.md (81%)
 rename vendor/github.com/vmihailenco/msgpack/{ => v4}/appengine.go (100%)
 rename vendor/github.com/vmihailenco/msgpack/{ => v4}/codes/codes.go (95%)
 rename vendor/github.com/vmihailenco/msgpack/{ => v4}/decode.go (78%)
 rename vendor/github.com/vmihailenco/msgpack/{ => v4}/decode_map.go (85%)
 rename vendor/github.com/vmihailenco/msgpack/{ => v4}/decode_number.go (99%)
 rename vendor/github.com/vmihailenco/msgpack/{ => v4}/decode_query.go (98%)
 rename vendor/github.com/vmihailenco/msgpack/{ => v4}/decode_slice.go (88%)
 rename vendor/github.com/vmihailenco/msgpack/{ => v4}/decode_string.go (91%)
 rename vendor/github.com/vmihailenco/msgpack/{ => v4}/decode_value.go (79%)
 create mode 100644 vendor/github.com/vmihailenco/msgpack/v4/encode.go
 rename vendor/github.com/vmihailenco/msgpack/{ => v4}/encode_map.go (92%)
 rename vendor/github.com/vmihailenco/msgpack/{ => v4}/encode_number.go (85%)
 rename vendor/github.com/vmihailenco/msgpack/{ => v4}/encode_slice.go (90%)
 rename vendor/github.com/vmihailenco/msgpack/{ => v4}/encode_value.go (74%)
 rename vendor/github.com/vmihailenco/msgpack/{ => v4}/ext.go (77%)
 create mode 100644 vendor/github.com/vmihailenco/msgpack/v4/go.mod
 create mode 100644 vendor/github.com/vmihailenco/msgpack/v4/go.sum
 create mode 100644 vendor/github.com/vmihailenco/msgpack/v4/intern.go
 rename vendor/github.com/vmihailenco/msgpack/{ => v4}/msgpack.go (100%)
 create mode 100644 vendor/github.com/vmihailenco/msgpack/v4/safe.go
 rename vendor/github.com/vmihailenco/msgpack/{ => v4}/time.go (83%)
 rename vendor/github.com/vmihailenco/msgpack/{ => v4}/types.go (55%)
 create mode 100644 vendor/github.com/vmihailenco/msgpack/v4/unsafe.go
 create mode 100644 vendor/github.com/vmihailenco/tagparser/.travis.yml
 create mode 100644 vendor/github.com/vmihailenco/tagparser/LICENSE
 create mode 100644 vendor/github.com/vmihailenco/tagparser/Makefile
 create mode 100644 vendor/github.com/vmihailenco/tagparser/README.md
 create mode 100644 vendor/github.com/vmihailenco/tagparser/go.mod
 create mode 100644 vendor/github.com/vmihailenco/tagparser/internal/parser/parser.go
 create mode 100644 vendor/github.com/vmihailenco/tagparser/internal/safe.go
 create mode 100644 vendor/github.com/vmihailenco/tagparser/internal/unsafe.go
 create mode 100644 vendor/github.com/vmihailenco/tagparser/tagparser.go

diff --git a/go.mod b/go.mod
index d43b26fc5..523e7becc 100644
--- a/go.mod
+++ b/go.mod
@@ -120,11 +120,10 @@ require (
 	github.com/tmc/grpc-websocket-proxy v0.0.0-20171017195756-830351dc03c6 // indirect
 	github.com/tombuildsstuff/giovanni v0.12.0
 	github.com/ugorji/go v0.0.0-20180813092308-00b869d2f4a5 // indirect
-	github.com/vmihailenco/msgpack v4.0.1+incompatible // indirect
 	github.com/xanzy/ssh-agent v0.2.1
 	github.com/xiang90/probing v0.0.0-20160813154853-07dd2e8dfe18 // indirect
 	github.com/xlab/treeprint v0.0.0-20161029104018-1d6e34225557
-	github.com/zclconf/go-cty v1.5.1
+	github.com/zclconf/go-cty v1.6.1
 	github.com/zclconf/go-cty-yaml v1.0.2
 	go.uber.org/atomic v1.3.2 // indirect
 	go.uber.org/multierr v1.1.0 // indirect
diff --git a/go.sum b/go.sum
index 25c430ccb..1ff07311f 100644
--- a/go.sum
+++ b/go.sum
@@ -486,9 +486,12 @@ github.com/ugorji/go v0.0.0-20180813092308-00b869d2f4a5 h1:cMjKdf4PxEBN9K5HaD9UM
 github.com/ugorji/go v0.0.0-20180813092308-00b869d2f4a5/go.mod h1:hnLbHMwcvSihnDhEfx2/BzKp2xb0Y+ErdfYcrs9tkJQ=
 github.com/ulikunitz/xz v0.5.5 h1:pFrO0lVpTBXLpYw+pnLj6TbvHuyjXMfjGeCwSqCVwok=
 github.com/ulikunitz/xz v0.5.5/go.mod h1:2bypXElzHzzJZwzH67Y6wb67pO62Rzfn7BSiF4ABRW8=
+github.com/vmihailenco/msgpack v3.3.3+incompatible h1:wapg9xDUZDzGCNFlwc5SqI1rvcciqcxEHac4CYj89xI=
 github.com/vmihailenco/msgpack v3.3.3+incompatible/go.mod h1:fy3FlTQTDXWkZ7Bh6AcGMlsjHatGryHQYUTf1ShIgkk=
-github.com/vmihailenco/msgpack v4.0.1+incompatible h1:RMF1enSPeKTlXrXdOcqjFUElywVZjjC6pqse21bKbEU=
-github.com/vmihailenco/msgpack v4.0.1+incompatible/go.mod h1:fy3FlTQTDXWkZ7Bh6AcGMlsjHatGryHQYUTf1ShIgkk=
+github.com/vmihailenco/msgpack/v4 v4.3.12 h1:07s4sz9IReOgdikxLTKNbBdqDMLsjPKXwvCazn8G65U=
+github.com/vmihailenco/msgpack/v4 v4.3.12/go.mod h1:gborTTJjAo/GWTqqRjrLCn9pgNN+NXzzngzBKDPIqw4=
+github.com/vmihailenco/tagparser v0.1.1 h1:quXMXlA39OCbd2wAdTsGDlK9RkOk6Wuw+x37wVyIuWY=
+github.com/vmihailenco/tagparser v0.1.1/go.mod h1:OeAg3pn3UbLjkWt+rN9oFYB6u/cQgqMEUPoW2WPyhdI=
 github.com/xanzy/ssh-agent v0.2.1 h1:TCbipTQL2JiiCprBWx9frJ2eJlCYT00NmctrHxVAr70=
 github.com/xanzy/ssh-agent v0.2.1/go.mod h1:mLlQY/MoOhWBj+gOGMQkOeiEvkx+8pJSI+0Bx9h2kr4=
 github.com/xiang90/probing v0.0.0-20160813154853-07dd2e8dfe18 h1:MPPkRncZLN9Kh4MEFmbnK4h3BD7AUmskWv2+EeZJCCs=
@@ -498,8 +501,8 @@ github.com/xlab/treeprint v0.0.0-20161029104018-1d6e34225557/go.mod h1:ce1O1j6Ut
 github.com/zclconf/go-cty v1.0.0/go.mod h1:xnAOWiHeOqg2nWS62VtQ7pbOu17FtxJNW8RLEih+O3s=
 github.com/zclconf/go-cty v1.1.0/go.mod h1:xnAOWiHeOqg2nWS62VtQ7pbOu17FtxJNW8RLEih+O3s=
 github.com/zclconf/go-cty v1.2.0/go.mod h1:hOPWgoHbaTUnI5k4D2ld+GRpFJSCe6bCM7m1q/N4PQ8=
-github.com/zclconf/go-cty v1.5.1 h1:oALUZX+aJeEBUe2a1+uD2+UTaYfEjnKFDEMRydkGvWE=
-github.com/zclconf/go-cty v1.5.1/go.mod h1:nHzOclRkoj++EU9ZjSrZvRG0BXIWt8c7loYc0qXAFGQ=
+github.com/zclconf/go-cty v1.6.1 h1:wHtZ+LSSQVwUSb+XIJ5E9hgAQxyWATZsAWT+ESJ9dQ0=
+github.com/zclconf/go-cty v1.6.1/go.mod h1:VDR4+I79ubFBGm1uJac1226K5yANQFHeauxPBoP54+o=
 github.com/zclconf/go-cty-yaml v1.0.2 h1:dNyg4QLTrv2IfJpm7Wtxi55ed5gLGOlPrZ6kMd51hY0=
 github.com/zclconf/go-cty-yaml v1.0.2/go.mod h1:IP3Ylp0wQpYm50IHK8OZWKMu6sPJIUgKa8XhiVHura0=
 go.opencensus.io v0.21.0/go.mod h1:mSImk1erAIZhrmZN+AvHh14ztQfjbGwt4TtuofqLduU=
@@ -556,6 +559,7 @@ golang.org/x/net v0.0.0-20191009170851-d66e71096ffb/go.mod h1:z5CRVTTTmAJ677TzLL
 golang.org/x/net v0.0.0-20191126235420-ef20fe5d7933/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
 golang.org/x/net v0.0.0-20200202094626-16171245cfb2 h1:CCH4IOTTfewWjGOlSp+zGcjutRKlBEZQ6wTn8ozI/nI=
 golang.org/x/net v0.0.0-20200202094626-16171245cfb2/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
+golang.org/x/net v0.0.0-20200301022130-244492dfa37a/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
 golang.org/x/net v0.0.0-20200602114024-627f9648deb9 h1:pNX+40auqi2JqRfOP1akLGtYcn15TUbkhwuCO3foqqM=
 golang.org/x/net v0.0.0-20200602114024-627f9648deb9/go.mod h1:qpuaurCH72eLCgpAm/N6yyVIVM9cpaDIP3A8BGJEC5A=
 golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
@@ -630,6 +634,8 @@ google.golang.org/appengine v1.4.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7
 google.golang.org/appengine v1.5.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4=
 google.golang.org/appengine v1.6.1 h1:QzqyMA1tlu6CgqCDUtU9V+ZKhLFT2dkJuANu5QaxI3I=
 google.golang.org/appengine v1.6.1/go.mod h1:i06prIuMbXzDqacNJfV5OdTW448YApPu5ww/cMBSeb0=
+google.golang.org/appengine v1.6.5 h1:tycE03LOZYQNhDpS27tcQdAzLCVMaj7QT2SXxebnpCM=
+google.golang.org/appengine v1.6.5/go.mod h1:8WjMMxjGQR8xUklV/ARdw2HLXBOI7O7uCIDZVag1xfc=
 google.golang.org/genproto v0.0.0-20170818010345-ee236bd376b0/go.mod h1:JiN7NxoALGmiZfu7CAH4rXhgtRTLTxftemlI0sWmxmc=
 google.golang.org/genproto v0.0.0-20180817151627-c66870c02cf8/go.mod h1:JiN7NxoALGmiZfu7CAH4rXhgtRTLTxftemlI0sWmxmc=
 google.golang.org/genproto v0.0.0-20190307195333-5fe7a883aa19/go.mod h1:VzzqZJRnGkLBvHegQrXjBqPurQTc5/KpmUdxsrq26oE=
diff --git a/vendor/github.com/vmihailenco/msgpack/.travis.yml b/vendor/github.com/vmihailenco/msgpack/.travis.yml
deleted file mode 100644
index 0c2f74ed4..000000000
--- a/vendor/github.com/vmihailenco/msgpack/.travis.yml
+++ /dev/null
@@ -1,17 +0,0 @@
-sudo: false
-language: go
-
-go:
-  - 1.7.x
-  - 1.8.x
-  - 1.9.x
-  - 1.10.x
-  - 1.11.x
-  - tip
-
-matrix:
-  allow_failures:
-    - go: tip
-
-install:
-  - go get gopkg.in/check.v1
diff --git a/vendor/github.com/vmihailenco/msgpack/encode.go b/vendor/github.com/vmihailenco/msgpack/encode.go
deleted file mode 100644
index c2bb23cde..000000000
--- a/vendor/github.com/vmihailenco/msgpack/encode.go
+++ /dev/null
@@ -1,170 +0,0 @@
-package msgpack
-
-import (
-	"bytes"
-	"io"
-	"reflect"
-	"time"
-
-	"github.com/vmihailenco/msgpack/codes"
-)
-
-type writer interface {
-	io.Writer
-	WriteByte(byte) error
-	WriteString(string) (int, error)
-}
-
-type byteWriter struct {
-	io.Writer
-
-	buf       []byte
-	bootstrap [64]byte
-}
-
-func newByteWriter(w io.Writer) *byteWriter {
-	bw := &byteWriter{
-		Writer: w,
-	}
-	bw.buf = bw.bootstrap[:]
-	return bw
-}
-
-func (w *byteWriter) WriteByte(c byte) error {
-	w.buf = w.buf[:1]
-	w.buf[0] = c
-	_, err := w.Write(w.buf)
-	return err
-}
-
-func (w *byteWriter) WriteString(s string) (int, error) {
-	w.buf = append(w.buf[:0], s...)
-	return w.Write(w.buf)
-}
-
-// Marshal returns the MessagePack encoding of v.
-func Marshal(v interface{}) ([]byte, error) {
-	var buf bytes.Buffer
-	err := NewEncoder(&buf).Encode(v)
-	return buf.Bytes(), err
-}
-
-type Encoder struct {
-	w   writer
-	buf []byte
-
-	sortMapKeys   bool
-	structAsArray bool
-	useJSONTag    bool
-	useCompact    bool
-}
-
-// NewEncoder returns a new encoder that writes to w.
-func NewEncoder(w io.Writer) *Encoder {
-	bw, ok := w.(writer)
-	if !ok {
-		bw = newByteWriter(w)
-	}
-	return &Encoder{
-		w:   bw,
-		buf: make([]byte, 9),
-	}
-}
-
-// SortMapKeys causes the Encoder to encode map keys in increasing order.
-// Supported map types are:
-//   - map[string]string
-//   - map[string]interface{}
-func (e *Encoder) SortMapKeys(flag bool) *Encoder {
-	e.sortMapKeys = flag
-	return e
-}
-
-// StructAsArray causes the Encoder to encode Go structs as MessagePack arrays.
-func (e *Encoder) StructAsArray(flag bool) *Encoder {
-	e.structAsArray = flag
-	return e
-}
-
-// UseJSONTag causes the Encoder to use json struct tag as fallback option
-// if there is no msgpack tag.
-func (e *Encoder) UseJSONTag(flag bool) *Encoder {
-	e.useJSONTag = flag
-	return e
-}
-
-// UseCompactEncoding causes the Encoder to chose the most compact encoding.
-// For example, it allows to encode Go int64 as msgpack int8 saving 7 bytes.
-func (e *Encoder) UseCompactEncoding(flag bool) *Encoder {
-	e.useCompact = flag
-	return e
-}
-
-func (e *Encoder) Encode(v interface{}) error {
-	switch v := v.(type) {
-	case nil:
-		return e.EncodeNil()
-	case string:
-		return e.EncodeString(v)
-	case []byte:
-		return e.EncodeBytes(v)
-	case int:
-		return e.encodeInt64Cond(int64(v))
-	case int64:
-		return e.encodeInt64Cond(v)
-	case uint:
-		return e.encodeUint64Cond(uint64(v))
-	case uint64:
-		return e.encodeUint64Cond(v)
-	case bool:
-		return e.EncodeBool(v)
-	case float32:
-		return e.EncodeFloat32(v)
-	case float64:
-		return e.EncodeFloat64(v)
-	case time.Duration:
-		return e.encodeInt64Cond(int64(v))
-	case time.Time:
-		return e.EncodeTime(v)
-	}
-	return e.EncodeValue(reflect.ValueOf(v))
-}
-
-func (e *Encoder) EncodeMulti(v ...interface{}) error {
-	for _, vv := range v {
-		if err := e.Encode(vv); err != nil {
-			return err
-		}
-	}
-	return nil
-}
-
-func (e *Encoder) EncodeValue(v reflect.Value) error {
-	fn := getEncoder(v.Type())
-	return fn(e, v)
-}
-
-func (e *Encoder) EncodeNil() error {
-	return e.writeCode(codes.Nil)
-}
-
-func (e *Encoder) EncodeBool(value bool) error {
-	if value {
-		return e.writeCode(codes.True)
-	}
-	return e.writeCode(codes.False)
-}
-
-func (e *Encoder) writeCode(c codes.Code) error {
-	return e.w.WriteByte(byte(c))
-}
-
-func (e *Encoder) write(b []byte) error {
-	_, err := e.w.Write(b)
-	return err
-}
-
-func (e *Encoder) writeString(s string) error {
-	_, err := e.w.WriteString(s)
-	return err
-}
diff --git a/vendor/github.com/vmihailenco/msgpack/tag.go b/vendor/github.com/vmihailenco/msgpack/tag.go
deleted file mode 100644
index 48e6f942c..000000000
--- a/vendor/github.com/vmihailenco/msgpack/tag.go
+++ /dev/null
@@ -1,42 +0,0 @@
-package msgpack
-
-import (
-	"strings"
-)
-
-type tagOptions string
-
-func (o tagOptions) Get(name string) (string, bool) {
-	s := string(o)
-	for len(s) > 0 {
-		var next string
-		idx := strings.IndexByte(s, ',')
-		if idx >= 0 {
-			s, next = s[:idx], s[idx+1:]
-		}
-		if strings.HasPrefix(s, name) {
-			return s[len(name):], true
-		}
-		s = next
-	}
-	return "", false
-}
-
-func (o tagOptions) Contains(name string) bool {
-	_, ok := o.Get(name)
-	return ok
-}
-
-func parseTag(tag string) (string, tagOptions) {
-	if idx := strings.IndexByte(tag, ','); idx != -1 {
-		name := tag[:idx]
-		if strings.IndexByte(name, ':') == -1 {
-			return name, tagOptions(tag[idx+1:])
-		}
-	}
-
-	if strings.IndexByte(tag, ':') == -1 {
-		return tag, ""
-	}
-	return "", tagOptions(tag)
-}
diff --git a/vendor/github.com/vmihailenco/msgpack/v4/.golangci.yml b/vendor/github.com/vmihailenco/msgpack/v4/.golangci.yml
new file mode 100644
index 000000000..98d6cb779
--- /dev/null
+++ b/vendor/github.com/vmihailenco/msgpack/v4/.golangci.yml
@@ -0,0 +1,12 @@
+run:
+  concurrency: 8
+  deadline: 5m
+  tests: false
+linters:
+  enable-all: true
+  disable:
+    - gochecknoglobals
+    - gocognit
+    - godox
+    - wsl
+    - funlen
diff --git a/vendor/github.com/vmihailenco/msgpack/v4/.travis.yml b/vendor/github.com/vmihailenco/msgpack/v4/.travis.yml
new file mode 100644
index 000000000..b35bf5484
--- /dev/null
+++ b/vendor/github.com/vmihailenco/msgpack/v4/.travis.yml
@@ -0,0 +1,21 @@
+sudo: false
+language: go
+
+go:
+  - 1.11.x
+  - 1.12.x
+  - 1.13.x
+  - 1.14.x
+  - tip
+
+matrix:
+  allow_failures:
+    - go: tip
+
+env:
+  - GO111MODULE=on
+
+go_import_path: github.com/vmihailenco/msgpack
+
+before_install:
+  - curl -sfL https://install.goreleaser.com/github.com/golangci/golangci-lint.sh | sh -s -- -b $(go env GOPATH)/bin v1.21.0
diff --git a/vendor/github.com/vmihailenco/msgpack/CHANGELOG.md b/vendor/github.com/vmihailenco/msgpack/v4/CHANGELOG.md
similarity index 99%
rename from vendor/github.com/vmihailenco/msgpack/CHANGELOG.md
rename to vendor/github.com/vmihailenco/msgpack/v4/CHANGELOG.md
index 9a4f38a93..fac97090e 100644
--- a/vendor/github.com/vmihailenco/msgpack/CHANGELOG.md
+++ b/vendor/github.com/vmihailenco/msgpack/v4/CHANGELOG.md
@@ -1,4 +1,4 @@
-## 3.4
+## v4
 
 - Encode, Decode, Marshal, and Unmarshal are changed to accept single argument. EncodeMulti and DecodeMulti are added as replacement.
 - Added EncodeInt8/16/32/64 and EncodeUint8/16/32/64.
diff --git a/vendor/github.com/vmihailenco/msgpack/LICENSE b/vendor/github.com/vmihailenco/msgpack/v4/LICENSE
similarity index 100%
rename from vendor/github.com/vmihailenco/msgpack/LICENSE
rename to vendor/github.com/vmihailenco/msgpack/v4/LICENSE
diff --git a/vendor/github.com/vmihailenco/msgpack/Makefile b/vendor/github.com/vmihailenco/msgpack/v4/Makefile
similarity index 58%
rename from vendor/github.com/vmihailenco/msgpack/Makefile
rename to vendor/github.com/vmihailenco/msgpack/v4/Makefile
index b62ae6a46..57914e333 100644
--- a/vendor/github.com/vmihailenco/msgpack/Makefile
+++ b/vendor/github.com/vmihailenco/msgpack/v4/Makefile
@@ -1,5 +1,6 @@
 all:
 	go test ./...
-	env GOOS=linux GOARCH=386 go test ./...
 	go test ./... -short -race
-	go vet
+	go test ./... -run=NONE -bench=. -benchmem
+	env GOOS=linux GOARCH=386 go test ./...
+	golangci-lint run
diff --git a/vendor/github.com/vmihailenco/msgpack/README.md b/vendor/github.com/vmihailenco/msgpack/v4/README.md
similarity index 81%
rename from vendor/github.com/vmihailenco/msgpack/README.md
rename to vendor/github.com/vmihailenco/msgpack/v4/README.md
index 0c75ae16e..a5b1004e0 100644
--- a/vendor/github.com/vmihailenco/msgpack/README.md
+++ b/vendor/github.com/vmihailenco/msgpack/v4/README.md
@@ -8,10 +8,10 @@ Supports:
 - Appengine *datastore.Key and datastore.Cursor.
 - [CustomEncoder](https://godoc.org/github.com/vmihailenco/msgpack#example-CustomEncoder)/CustomDecoder interfaces for custom encoding.
 - [Extensions](https://godoc.org/github.com/vmihailenco/msgpack#example-RegisterExt) to encode type information.
-- Renaming fields via `msgpack:"my_field_name"`.
+- Renaming fields via `msgpack:"my_field_name"` and alias via `msgpack:"alias:another_name"`.
 - Omitting individual empty fields via `msgpack:",omitempty"` tag or all [empty fields in a struct](https://godoc.org/github.com/vmihailenco/msgpack#example-Marshal--OmitEmpty).
 - [Map keys sorting](https://godoc.org/github.com/vmihailenco/msgpack#Encoder.SortMapKeys).
-- Encoding/decoding all [structs as arrays](https://godoc.org/github.com/vmihailenco/msgpack#Encoder.StructAsArray) or [individual structs](https://godoc.org/github.com/vmihailenco/msgpack#example-Marshal--AsArray).
+- Encoding/decoding all [structs as arrays](https://godoc.org/github.com/vmihailenco/msgpack#Encoder.UseArrayForStructs) or [individual structs](https://godoc.org/github.com/vmihailenco/msgpack#example-Marshal--AsArray).
 - [Encoder.UseJSONTag](https://godoc.org/github.com/vmihailenco/msgpack#Encoder.UseJSONTag) with [Decoder.UseJSONTag](https://godoc.org/github.com/vmihailenco/msgpack#Decoder.UseJSONTag) can turn msgpack into drop-in replacement for JSON.
 - Simple but very fast and efficient [queries](https://godoc.org/github.com/vmihailenco/msgpack#example-Decoder-Query).
 
@@ -20,15 +20,18 @@ Examples: https://godoc.org/github.com/vmihailenco/msgpack#pkg-examples.
 
 ## Installation
 
-Install:
+This project uses [Go Modules](https://github.com/golang/go/wiki/Modules) and semantic import versioning since v4:
 
-```shell
-go get -u github.com/vmihailenco/msgpack
+``` shell
+go mod init github.com/my/repo
+go get github.com/vmihailenco/msgpack/v4
 ```
 
 ## Quickstart
 
-```go
+``` go
+import "github.com/vmihailenco/msgpack/v4"
+
 func ExampleMarshal() {
 	type Item struct {
 		Foo string
@@ -66,4 +69,4 @@ Please go through [examples](https://godoc.org/github.com/vmihailenco/msgpack#pk
 ## See also
 
 - [Golang PostgreSQL ORM](https://github.com/go-pg/pg)
-- [Golang message task queue](https://github.com/go-msgqueue/msgqueue)
+- [Golang message task queue](https://github.com/vmihailenco/taskq)
diff --git a/vendor/github.com/vmihailenco/msgpack/appengine.go b/vendor/github.com/vmihailenco/msgpack/v4/appengine.go
similarity index 100%
rename from vendor/github.com/vmihailenco/msgpack/appengine.go
rename to vendor/github.com/vmihailenco/msgpack/v4/appengine.go
diff --git a/vendor/github.com/vmihailenco/msgpack/codes/codes.go b/vendor/github.com/vmihailenco/msgpack/v4/codes/codes.go
similarity index 95%
rename from vendor/github.com/vmihailenco/msgpack/codes/codes.go
rename to vendor/github.com/vmihailenco/msgpack/v4/codes/codes.go
index 906af376e..28e0a5a88 100644
--- a/vendor/github.com/vmihailenco/msgpack/codes/codes.go
+++ b/vendor/github.com/vmihailenco/msgpack/v4/codes/codes.go
@@ -77,6 +77,10 @@ func IsString(c Code) bool {
 	return IsFixedString(c) || c == Str8 || c == Str16 || c == Str32
 }
 
+func IsBin(c Code) bool {
+	return c == Bin8 || c == Bin16 || c == Bin32
+}
+
 func IsFixedExt(c Code) bool {
 	return c >= FixExt1 && c <= FixExt16
 }
diff --git a/vendor/github.com/vmihailenco/msgpack/decode.go b/vendor/github.com/vmihailenco/msgpack/v4/decode.go
similarity index 78%
rename from vendor/github.com/vmihailenco/msgpack/decode.go
rename to vendor/github.com/vmihailenco/msgpack/v4/decode.go
index 741410040..1711675e9 100644
--- a/vendor/github.com/vmihailenco/msgpack/decode.go
+++ b/vendor/github.com/vmihailenco/msgpack/v4/decode.go
@@ -7,35 +7,55 @@ import (
 	"fmt"
 	"io"
 	"reflect"
+	"sync"
 	"time"
 
-	"github.com/vmihailenco/msgpack/codes"
+	"github.com/vmihailenco/msgpack/v4/codes"
 )
 
-const bytesAllocLimit = 1024 * 1024 // 1mb
+const (
+	looseIfaceFlag uint32 = 1 << iota
+	decodeUsingJSONFlag
+	disallowUnknownFieldsFlag
+)
+
+const (
+	bytesAllocLimit = 1e6 // 1mb
+	sliceAllocLimit = 1e4
+	maxMapSize      = 1e6
+)
 
 type bufReader interface {
 	io.Reader
 	io.ByteScanner
 }
 
-func newBufReader(r io.Reader) bufReader {
-	if br, ok := r.(bufReader); ok {
-		return br
-	}
-	return bufio.NewReader(r)
-}
+//------------------------------------------------------------------------------
 
-func makeBuffer() []byte {
-	return make([]byte, 0, 64)
+var decPool = sync.Pool{
+	New: func() interface{} {
+		return NewDecoder(nil)
+	},
 }
 
 // Unmarshal decodes the MessagePack-encoded data and stores the result
 // in the value pointed to by v.
 func Unmarshal(data []byte, v interface{}) error {
-	return NewDecoder(bytes.NewReader(data)).Decode(v)
+	dec := decPool.Get().(*Decoder)
+
+	if r, ok := dec.r.(*bytes.Reader); ok {
+		r.Reset(data)
+	} else {
+		dec.Reset(bytes.NewReader(data))
+	}
+	err := dec.Decode(v)
+
+	decPool.Put(dec)
+
+	return err
 }
 
+// A Decoder reads and decodes MessagePack values from an input stream.
 type Decoder struct {
 	r   io.Reader
 	s   io.ByteScanner
@@ -44,9 +64,8 @@ type Decoder struct {
 	extLen int
 	rec    []byte // accumulates read data if not nil
 
-	useLoose   bool
-	useJSONTag bool
-
+	intern        []string
+	flags         uint32
 	decodeMapFunc func(*Decoder) (interface{}, error)
 }
 
@@ -56,41 +75,80 @@ type Decoder struct {
 // beyond the MessagePack values requested. Buffering can be disabled
 // by passing a reader that implements io.ByteScanner interface.
 func NewDecoder(r io.Reader) *Decoder {
-	d := &Decoder{
-		buf: makeBuffer(),
-	}
-	d.resetReader(r)
+	d := new(Decoder)
+	d.Reset(r)
 	return d
 }
 
+// Reset discards any buffered data, resets all state, and switches the buffered
+// reader to read from r.
+func (d *Decoder) Reset(r io.Reader) {
+	if br, ok := r.(bufReader); ok {
+		d.r = br
+		d.s = br
+	} else if br, ok := d.r.(*bufio.Reader); ok {
+		br.Reset(r)
+	} else {
+		br := bufio.NewReader(r)
+		d.r = br
+		d.s = br
+	}
+
+	if d.intern != nil {
+		d.intern = d.intern[:0]
+	}
+
+	//TODO:
+	//d.useLoose = false
+	//d.useJSONTag = false
+	//d.disallowUnknownFields = false
+	//d.decodeMapFunc = nil
+}
+
 func (d *Decoder) SetDecodeMapFunc(fn func(*Decoder) (interface{}, error)) {
 	d.decodeMapFunc = fn
 }
 
 // UseDecodeInterfaceLoose causes decoder to use DecodeInterfaceLoose
 // to decode msgpack value into Go interface{}.
-func (d *Decoder) UseDecodeInterfaceLoose(flag bool) {
-	d.useLoose = flag
+func (d *Decoder) UseDecodeInterfaceLoose(on bool) *Decoder {
+	if on {
+		d.flags |= looseIfaceFlag
+	} else {
+		d.flags &= ^looseIfaceFlag
+	}
+	return d
 }
 
 // UseJSONTag causes the Decoder to use json struct tag as fallback option
 // if there is no msgpack tag.
-func (d *Decoder) UseJSONTag(v bool) *Decoder {
-	d.useJSONTag = v
+func (d *Decoder) UseJSONTag(on bool) *Decoder {
+	if on {
+		d.flags |= decodeUsingJSONFlag
+	} else {
+		d.flags &= ^decodeUsingJSONFlag
+	}
 	return d
 }
 
-func (d *Decoder) Reset(r io.Reader) error {
-	d.resetReader(r)
-	return nil
+// DisallowUnknownFields causes the Decoder to return an error when the destination
+// is a struct and the input contains object keys which do not match any
+// non-ignored, exported fields in the destination.
+func (d *Decoder) DisallowUnknownFields() {
+	if true {
+		d.flags |= disallowUnknownFieldsFlag
+	} else {
+		d.flags &= ^disallowUnknownFieldsFlag
+	}
 }
 
-func (d *Decoder) resetReader(r io.Reader) {
-	reader := newBufReader(r)
-	d.r = reader
-	d.s = reader
+// Buffered returns a reader of the data remaining in the Decoder's buffer.
+// The reader is valid until the next call to Decode.
+func (d *Decoder) Buffered() io.Reader {
+	return d.r
 }
 
+//nolint:gocyclo
 func (d *Decoder) Decode(v interface{}) error {
 	var err error
 	switch v := v.(type) {
@@ -211,7 +269,7 @@ func (d *Decoder) DecodeMulti(v ...interface{}) error {
 }
 
 func (d *Decoder) decodeInterfaceCond() (interface{}, error) {
-	if d.useLoose {
+	if d.flags&looseIfaceFlag != 0 {
 		return d.DecodeInterfaceLoose()
 	}
 	return d.DecodeInterface()
@@ -263,6 +321,14 @@ func (d *Decoder) bool(c codes.Code) (bool, error) {
 	return false, fmt.Errorf("msgpack: invalid code=%x decoding bool", c)
 }
 
+func (d *Decoder) DecodeDuration() (time.Duration, error) {
+	n, err := d.DecodeInt64()
+	if err != nil {
+		return 0, err
+	}
+	return time.Duration(n), nil
+}
+
 // DecodeInterface decodes value into interface. It returns following types:
 //   - nil,
 //   - bool,
@@ -356,7 +422,7 @@ func (d *Decoder) DecodeInterfaceLoose() (interface{}, error) {
 	}
 
 	if codes.IsFixedNum(c) {
-		return int64(c), nil
+		return int64(int8(c)), nil
 	}
 	if codes.IsFixedMap(c) {
 		err = d.s.UnreadByte()
@@ -412,11 +478,14 @@ func (d *Decoder) Skip() error {
 
 	if codes.IsFixedNum(c) {
 		return nil
-	} else if codes.IsFixedMap(c) {
+	}
+	if codes.IsFixedMap(c) {
 		return d.skipMap(c)
-	} else if codes.IsFixedArray(c) {
+	}
+	if codes.IsFixedArray(c) {
 		return d.skipSlice(c)
-	} else if codes.IsFixedString(c) {
+	}
+	if codes.IsFixedString(c) {
 		return d.skipBytes(c)
 	}
 
@@ -480,21 +549,23 @@ func (d *Decoder) readFull(b []byte) error {
 		return err
 	}
 	if d.rec != nil {
+		//TODO: read directly into d.rec?
 		d.rec = append(d.rec, b...)
 	}
 	return nil
 }
 
 func (d *Decoder) readN(n int) ([]byte, error) {
-	buf, err := readN(d.r, d.buf, n)
+	var err error
+	d.buf, err = readN(d.r, d.buf, n)
 	if err != nil {
 		return nil, err
 	}
-	d.buf = buf
 	if d.rec != nil {
-		d.rec = append(d.rec, buf...)
+		//TODO: read directly into d.rec?
+		d.rec = append(d.rec, d.buf...)
 	}
-	return buf, nil
+	return d.buf, nil
 }
 
 func readN(r io.Reader, b []byte, n int) ([]byte, error) {
@@ -502,10 +573,13 @@ func readN(r io.Reader, b []byte, n int) ([]byte, error) {
 		if n == 0 {
 			return make([]byte, 0), nil
 		}
-		if n <= bytesAllocLimit {
-			b = make([]byte, n)
-		} else {
-			b = make([]byte, bytesAllocLimit)
+		switch {
+		case n < 64:
+			b = make([]byte, 0, 64)
+		case n <= bytesAllocLimit:
+			b = make([]byte, 0, n)
+		default:
+			b = make([]byte, 0, bytesAllocLimit)
 		}
 	}
 
@@ -518,15 +592,12 @@ func readN(r io.Reader, b []byte, n int) ([]byte, error) {
 
 	var pos int
 	for {
-		alloc := n - len(b)
-		if alloc > bytesAllocLimit {
-			alloc = bytesAllocLimit
-		}
+		alloc := min(n-len(b), bytesAllocLimit)
 		b = append(b, make([]byte, alloc)...)
 
 		_, err := io.ReadFull(r, b[pos:])
 		if err != nil {
-			return nil, err
+			return b, err
 		}
 
 		if len(b) == n {
@@ -538,7 +609,7 @@ func readN(r io.Reader, b []byte, n int) ([]byte, error) {
 	return b, nil
 }
 
-func min(a, b int) int {
+func min(a, b int) int { //nolint:unparam
 	if a <= b {
 		return a
 	}
diff --git a/vendor/github.com/vmihailenco/msgpack/decode_map.go b/vendor/github.com/vmihailenco/msgpack/v4/decode_map.go
similarity index 85%
rename from vendor/github.com/vmihailenco/msgpack/decode_map.go
rename to vendor/github.com/vmihailenco/msgpack/v4/decode_map.go
index b542a7541..16c40fe77 100644
--- a/vendor/github.com/vmihailenco/msgpack/decode_map.go
+++ b/vendor/github.com/vmihailenco/msgpack/v4/decode_map.go
@@ -5,18 +5,18 @@ import (
 	"fmt"
 	"reflect"
 
-	"github.com/vmihailenco/msgpack/codes"
+	"github.com/vmihailenco/msgpack/v4/codes"
 )
 
-const mapElemsAllocLimit = 1e4
+var (
+	mapStringStringPtrType = reflect.TypeOf((*map[string]string)(nil))
+	mapStringStringType    = mapStringStringPtrType.Elem()
+)
 
-var mapStringStringPtrType = reflect.TypeOf((*map[string]string)(nil))
-var mapStringStringType = mapStringStringPtrType.Elem()
-
-var mapStringInterfacePtrType = reflect.TypeOf((*map[string]interface{})(nil))
-var mapStringInterfaceType = mapStringInterfacePtrType.Elem()
-
-var errInvalidCode = errors.New("invalid code")
+var (
+	mapStringInterfacePtrType = reflect.TypeOf((*map[string]interface{})(nil))
+	mapStringInterfaceType    = mapStringInterfacePtrType.Elem()
+)
 
 func decodeMapValue(d *Decoder, v reflect.Value) error {
 	size, err := d.DecodeMapLen()
@@ -106,6 +106,8 @@ func (d *Decoder) _mapLen(c codes.Code) (int, error) {
 	return 0, errInvalidCode
 }
 
+var errInvalidCode = errors.New("invalid code")
+
 func expandInvalidCodeMapLenError(c codes.Code, err error) error {
 	if err == errInvalidCode {
 		return fmt.Errorf("msgpack: invalid code=%x decoding map length", c)
@@ -130,7 +132,7 @@ func (d *Decoder) decodeMapStringStringPtr(ptr *map[string]string) error {
 
 	m := *ptr
 	if m == nil {
-		*ptr = make(map[string]string, min(size, mapElemsAllocLimit))
+		*ptr = make(map[string]string, min(size, maxMapSize))
 		m = *ptr
 	}
 
@@ -166,7 +168,7 @@ func (d *Decoder) decodeMapStringInterfacePtr(ptr *map[string]interface{}) error
 
 	m := *ptr
 	if m == nil {
-		*ptr = make(map[string]interface{}, min(n, mapElemsAllocLimit))
+		*ptr = make(map[string]interface{}, min(n, maxMapSize))
 		m = *ptr
 	}
 
@@ -185,6 +187,8 @@ func (d *Decoder) decodeMapStringInterfacePtr(ptr *map[string]interface{}) error
 	return nil
 }
 
+var errUnsupportedMapKey = errors.New("msgpack: unsupported map key")
+
 func (d *Decoder) DecodeMap() (interface{}, error) {
 	if d.decodeMapFunc != nil {
 		return d.decodeMapFunc(d)
@@ -206,7 +210,7 @@ func (d *Decoder) DecodeMap() (interface{}, error) {
 		return nil, err
 	}
 
-	if codes.IsString(code) {
+	if codes.IsString(code) || codes.IsBin(code) {
 		return d.decodeMapStringInterfaceSize(size)
 	}
 
@@ -222,6 +226,11 @@ func (d *Decoder) DecodeMap() (interface{}, error) {
 
 	keyType := reflect.TypeOf(key)
 	valueType := reflect.TypeOf(value)
+
+	if !keyType.Comparable() {
+		return nil, errUnsupportedMapKey
+	}
+
 	mapType := reflect.MapOf(keyType, valueType)
 	mapValue := reflect.MakeMap(mapType)
 
@@ -237,7 +246,7 @@ func (d *Decoder) DecodeMap() (interface{}, error) {
 }
 
 func (d *Decoder) decodeMapStringInterfaceSize(size int) (map[string]interface{}, error) {
-	m := make(map[string]interface{}, min(size, mapElemsAllocLimit))
+	m := make(map[string]interface{}, min(size, maxMapSize))
 	for i := 0; i < size; i++ {
 		mk, err := d.DecodeString()
 		if err != nil {
@@ -294,7 +303,7 @@ func decodeStructValue(d *Decoder, v reflect.Value) error {
 	}
 
 	var fields *fields
-	if d.useJSONTag {
+	if d.flags&decodeUsingJSONFlag != 0 {
 		fields = jsonStructs.Fields(v.Type())
 	} else {
 		fields = structs.Fields(v.Type())
@@ -309,12 +318,14 @@ func decodeStructValue(d *Decoder, v reflect.Value) error {
 				return err
 			}
 		}
+
 		// Skip extra values.
 		for i := len(fields.List); i < n; i++ {
 			if err := d.Skip(); err != nil {
 				return err
 			}
 		}
+
 		return nil
 	}
 
@@ -323,14 +334,15 @@ func decodeStructValue(d *Decoder, v reflect.Value) error {
 		if err != nil {
 			return err
 		}
-		if f := fields.Table[name]; f != nil {
+
+		if f := fields.Map[name]; f != nil {
 			if err := f.DecodeValue(d, v); err != nil {
 				return err
 			}
-		} else {
-			if err := d.Skip(); err != nil {
-				return err
-			}
+		} else if d.flags&disallowUnknownFieldsFlag != 0 {
+			return fmt.Errorf("msgpack: unknown field %q", name)
+		} else if err := d.Skip(); err != nil {
+			return err
 		}
 	}
 
diff --git a/vendor/github.com/vmihailenco/msgpack/decode_number.go b/vendor/github.com/vmihailenco/msgpack/v4/decode_number.go
similarity index 99%
rename from vendor/github.com/vmihailenco/msgpack/decode_number.go
rename to vendor/github.com/vmihailenco/msgpack/v4/decode_number.go
index 15019cc97..f6b9151f0 100644
--- a/vendor/github.com/vmihailenco/msgpack/decode_number.go
+++ b/vendor/github.com/vmihailenco/msgpack/v4/decode_number.go
@@ -5,7 +5,7 @@ import (
 	"math"
 	"reflect"
 
-	"github.com/vmihailenco/msgpack/codes"
+	"github.com/vmihailenco/msgpack/v4/codes"
 )
 
 func (d *Decoder) skipN(n int) error {
diff --git a/vendor/github.com/vmihailenco/msgpack/decode_query.go b/vendor/github.com/vmihailenco/msgpack/v4/decode_query.go
similarity index 98%
rename from vendor/github.com/vmihailenco/msgpack/decode_query.go
rename to vendor/github.com/vmihailenco/msgpack/v4/decode_query.go
index d680be80c..80cd80e78 100644
--- a/vendor/github.com/vmihailenco/msgpack/decode_query.go
+++ b/vendor/github.com/vmihailenco/msgpack/v4/decode_query.go
@@ -5,7 +5,7 @@ import (
 	"strconv"
 	"strings"
 
-	"github.com/vmihailenco/msgpack/codes"
+	"github.com/vmihailenco/msgpack/v4/codes"
 )
 
 type queryResult struct {
diff --git a/vendor/github.com/vmihailenco/msgpack/decode_slice.go b/vendor/github.com/vmihailenco/msgpack/v4/decode_slice.go
similarity index 88%
rename from vendor/github.com/vmihailenco/msgpack/decode_slice.go
rename to vendor/github.com/vmihailenco/msgpack/v4/decode_slice.go
index 778d80b93..adf17ae5c 100644
--- a/vendor/github.com/vmihailenco/msgpack/decode_slice.go
+++ b/vendor/github.com/vmihailenco/msgpack/v4/decode_slice.go
@@ -4,11 +4,9 @@ import (
 	"fmt"
 	"reflect"
 
-	"github.com/vmihailenco/msgpack/codes"
+	"github.com/vmihailenco/msgpack/v4/codes"
 )
 
-const sliceElemsAllocLimit = 1e4
-
 var sliceStringPtrType = reflect.TypeOf((*[]string)(nil))
 
 // DecodeArrayLen decodes array length. Length is -1 when array is nil.
@@ -51,7 +49,7 @@ func (d *Decoder) decodeStringSlicePtr(ptr *[]string) error {
 		return nil
 	}
 
-	ss := setStringsCap(*ptr, n)
+	ss := makeStrings(*ptr, n)
 	for i := 0; i < n; i++ {
 		s, err := d.DecodeString()
 		if err != nil {
@@ -64,9 +62,9 @@ func (d *Decoder) decodeStringSlicePtr(ptr *[]string) error {
 	return nil
 }
 
-func setStringsCap(s []string, n int) []string {
-	if n > sliceElemsAllocLimit {
-		n = sliceElemsAllocLimit
+func makeStrings(s []string, n int) []string {
+	if n > sliceAllocLimit {
+		n = sliceAllocLimit
 	}
 
 	if s == nil {
@@ -107,8 +105,8 @@ func decodeSliceValue(d *Decoder, v reflect.Value) error {
 		if i >= v.Len() {
 			v.Set(growSliceValue(v, n))
 		}
-		sv := v.Index(i)
-		if err := d.DecodeValue(sv); err != nil {
+		elem := v.Index(i)
+		if err := d.DecodeValue(elem); err != nil {
 			return err
 		}
 	}
@@ -118,8 +116,8 @@ func decodeSliceValue(d *Decoder, v reflect.Value) error {
 
 func growSliceValue(v reflect.Value, n int) reflect.Value {
 	diff := n - v.Len()
-	if diff > sliceElemsAllocLimit {
-		diff = sliceElemsAllocLimit
+	if diff > sliceAllocLimit {
+		diff = sliceAllocLimit
 	}
 	v = reflect.AppendSlice(v, reflect.MakeSlice(v.Type(), diff, diff))
 	return v
@@ -134,10 +132,10 @@ func decodeArrayValue(d *Decoder, v reflect.Value) error {
 	if n == -1 {
 		return nil
 	}
-
 	if n > v.Len() {
 		return fmt.Errorf("%s len is %d, but msgpack has %d elements", v.Type(), v.Len(), n)
 	}
+
 	for i := 0; i < n; i++ {
 		sv := v.Index(i)
 		if err := d.DecodeValue(sv); err != nil {
@@ -165,7 +163,7 @@ func (d *Decoder) decodeSlice(c codes.Code) ([]interface{}, error) {
 		return nil, nil
 	}
 
-	s := make([]interface{}, 0, min(n, sliceElemsAllocLimit))
+	s := make([]interface{}, 0, min(n, sliceAllocLimit))
 	for i := 0; i < n; i++ {
 		v, err := d.decodeInterfaceCond()
 		if err != nil {
diff --git a/vendor/github.com/vmihailenco/msgpack/decode_string.go b/vendor/github.com/vmihailenco/msgpack/v4/decode_string.go
similarity index 91%
rename from vendor/github.com/vmihailenco/msgpack/decode_string.go
rename to vendor/github.com/vmihailenco/msgpack/v4/decode_string.go
index 5402022ee..c5adf3865 100644
--- a/vendor/github.com/vmihailenco/msgpack/decode_string.go
+++ b/vendor/github.com/vmihailenco/msgpack/v4/decode_string.go
@@ -4,15 +4,18 @@ import (
 	"fmt"
 	"reflect"
 
-	"github.com/vmihailenco/msgpack/codes"
+	"github.com/vmihailenco/msgpack/v4/codes"
 )
 
 func (d *Decoder) bytesLen(c codes.Code) (int, error) {
 	if c == codes.Nil {
 		return -1, nil
-	} else if codes.IsFixedString(c) {
+	}
+
+	if codes.IsFixedString(c) {
 		return int(c & codes.FixedStrMask), nil
 	}
+
 	switch c {
 	case codes.Str8, codes.Bin8:
 		n, err := d.uint8()
@@ -24,6 +27,7 @@ func (d *Decoder) bytesLen(c codes.Code) (int, error) {
 		n, err := d.uint32()
 		return int(n), err
 	}
+
 	return 0, fmt.Errorf("msgpack: invalid code=%x decoding bytes length", c)
 }
 
@@ -40,7 +44,11 @@ func (d *Decoder) string(c codes.Code) (string, error) {
 	if err != nil {
 		return "", err
 	}
-	if n == -1 {
+	return d.stringWithLen(n)
+}
+
+func (d *Decoder) stringWithLen(n int) (string, error) {
+	if n <= 0 {
 		return "", nil
 	}
 	b, err := d.readN(n)
@@ -48,13 +56,15 @@ func (d *Decoder) string(c codes.Code) (string, error) {
 }
 
 func decodeStringValue(d *Decoder, v reflect.Value) error {
+	if err := mustSet(v); err != nil {
+		return err
+	}
+
 	s, err := d.DecodeString()
 	if err != nil {
 		return err
 	}
-	if err = mustSet(v); err != nil {
-		return err
-	}
+
 	v.SetString(s)
 	return nil
 }
@@ -128,13 +138,17 @@ func (d *Decoder) skipBytes(c codes.Code) error {
 	if err != nil {
 		return err
 	}
-	if n == -1 {
+	if n <= 0 {
 		return nil
 	}
 	return d.skipN(n)
 }
 
 func decodeBytesValue(d *Decoder, v reflect.Value) error {
+	if err := mustSet(v); err != nil {
+		return err
+	}
+
 	c, err := d.readCode()
 	if err != nil {
 		return err
@@ -145,9 +159,6 @@ func decodeBytesValue(d *Decoder, v reflect.Value) error {
 		return err
 	}
 
-	if err = mustSet(v); err != nil {
-		return err
-	}
 	v.SetBytes(b)
 
 	return nil
diff --git a/vendor/github.com/vmihailenco/msgpack/decode_value.go b/vendor/github.com/vmihailenco/msgpack/v4/decode_value.go
similarity index 79%
rename from vendor/github.com/vmihailenco/msgpack/decode_value.go
rename to vendor/github.com/vmihailenco/msgpack/v4/decode_value.go
index 7b858b5fc..810d3be8f 100644
--- a/vendor/github.com/vmihailenco/msgpack/decode_value.go
+++ b/vendor/github.com/vmihailenco/msgpack/v4/decode_value.go
@@ -1,6 +1,7 @@
 package msgpack
 
 import (
+	"encoding"
 	"errors"
 	"fmt"
 	"reflect"
@@ -11,6 +12,7 @@ var stringType = reflect.TypeOf((*string)(nil)).Elem()
 
 var valueDecoders []decoderFunc
 
+//nolint:gochecknoinits
 func init() {
 	valueDecoders = []decoderFunc{
 		reflect.Bool:          decodeBoolValue,
@@ -49,12 +51,16 @@ func mustSet(v reflect.Value) error {
 }
 
 func getDecoder(typ reflect.Type) decoderFunc {
-	kind := typ.Kind()
-
-	decoder, ok := typDecMap[typ]
-	if ok {
-		return decoder
+	if v, ok := typeDecMap.Load(typ); ok {
+		return v.(decoderFunc)
 	}
+	fn := _getDecoder(typ)
+	typeDecMap.Store(typ, fn)
+	return fn
+}
+
+func _getDecoder(typ reflect.Type) decoderFunc {
+	kind := typ.Kind()
 
 	if typ.Implements(customDecoderType) {
 		return decodeCustomValue
@@ -62,6 +68,9 @@ func getDecoder(typ reflect.Type) decoderFunc {
 	if typ.Implements(unmarshalerType) {
 		return unmarshalValue
 	}
+	if typ.Implements(binaryUnmarshalerType) {
+		return unmarshalBinaryValue
+	}
 
 	// Addressable struct field value.
 	if kind != reflect.Ptr {
@@ -72,6 +81,9 @@ func getDecoder(typ reflect.Type) decoderFunc {
 		if ptr.Implements(unmarshalerType) {
 			return unmarshalValueAddr
 		}
+		if ptr.Implements(binaryUnmarshalerType) {
+			return unmarshalBinaryValueAddr
+		}
 	}
 
 	switch kind {
@@ -79,12 +91,10 @@ func getDecoder(typ reflect.Type) decoderFunc {
 		return ptrDecoderFunc(typ)
 	case reflect.Slice:
 		elem := typ.Elem()
-		switch elem.Kind() {
-		case reflect.Uint8:
+		if elem.Kind() == reflect.Uint8 {
 			return decodeBytesValue
 		}
-		switch elem {
-		case stringType:
+		if elem == stringType {
 			return decodeStringSliceValue
 		}
 	case reflect.Array:
@@ -101,6 +111,7 @@ func getDecoder(typ reflect.Type) decoderFunc {
 			}
 		}
 	}
+
 	return valueDecoders[kind]
 }
 
@@ -154,31 +165,35 @@ func unmarshalValueAddr(d *Decoder, v reflect.Value) error {
 }
 
 func unmarshalValue(d *Decoder, v reflect.Value) error {
-	if d.hasNilCode() {
-		return d.decodeNilValue(v)
+	if d.extLen == 0 || d.extLen == 1 {
+		if d.hasNilCode() {
+			return d.decodeNilValue(v)
+		}
 	}
 
 	if v.IsNil() {
 		v.Set(reflect.New(v.Type().Elem()))
 	}
 
+	var b []byte
+
 	if d.extLen != 0 {
-		b, err := d.readN(d.extLen)
+		var err error
+		b, err = d.readN(d.extLen)
 		if err != nil {
 			return err
 		}
-		d.rec = b
 	} else {
-		d.rec = makeBuffer()
+		d.rec = make([]byte, 0, 64)
 		if err := d.Skip(); err != nil {
 			return err
 		}
+		b = d.rec
+		d.rec = nil
 	}
 
 	unmarshaler := v.Interface().(Unmarshaler)
-	err := unmarshaler.UnmarshalMsgpack(d.rec)
-	d.rec = nil
-	return err
+	return unmarshaler.UnmarshalMsgpack(b)
 }
 
 func decodeBoolValue(d *Decoder, v reflect.Value) error {
@@ -232,3 +247,30 @@ func (d *Decoder) interfaceValue(v reflect.Value) error {
 func decodeUnsupportedValue(d *Decoder, v reflect.Value) error {
 	return fmt.Errorf("msgpack: Decode(unsupported %s)", v.Type())
 }
+
+//------------------------------------------------------------------------------
+
+func unmarshalBinaryValueAddr(d *Decoder, v reflect.Value) error {
+	if !v.CanAddr() {
+		return fmt.Errorf("msgpack: Decode(nonaddressable %T)", v.Interface())
+	}
+	return unmarshalBinaryValue(d, v.Addr())
+}
+
+func unmarshalBinaryValue(d *Decoder, v reflect.Value) error {
+	if d.hasNilCode() {
+		return d.decodeNilValue(v)
+	}
+
+	if v.IsNil() {
+		v.Set(reflect.New(v.Type().Elem()))
+	}
+
+	data, err := d.DecodeBytes()
+	if err != nil {
+		return err
+	}
+
+	unmarshaler := v.Interface().(encoding.BinaryUnmarshaler)
+	return unmarshaler.UnmarshalBinary(data)
+}
diff --git a/vendor/github.com/vmihailenco/msgpack/v4/encode.go b/vendor/github.com/vmihailenco/msgpack/v4/encode.go
new file mode 100644
index 000000000..37f098701
--- /dev/null
+++ b/vendor/github.com/vmihailenco/msgpack/v4/encode.go
@@ -0,0 +1,241 @@
+package msgpack
+
+import (
+	"bytes"
+	"io"
+	"reflect"
+	"sync"
+	"time"
+
+	"github.com/vmihailenco/msgpack/v4/codes"
+)
+
+const (
+	sortMapKeysFlag uint32 = 1 << iota
+	structAsArrayFlag
+	encodeUsingJSONFlag
+	useCompactIntsFlag
+	useCompactFloatsFlag
+)
+
+type writer interface {
+	io.Writer
+	WriteByte(byte) error
+}
+
+type byteWriter struct {
+	io.Writer
+
+	buf [1]byte
+}
+
+func newByteWriter(w io.Writer) *byteWriter {
+	bw := new(byteWriter)
+	bw.Reset(w)
+	return bw
+}
+
+func (bw *byteWriter) Reset(w io.Writer) {
+	bw.Writer = w
+}
+
+func (bw *byteWriter) WriteByte(c byte) error {
+	bw.buf[0] = c
+	_, err := bw.Write(bw.buf[:])
+	return err
+}
+
+//------------------------------------------------------------------------------
+
+var encPool = sync.Pool{
+	New: func() interface{} {
+		return NewEncoder(nil)
+	},
+}
+
+// Marshal returns the MessagePack encoding of v.
+func Marshal(v interface{}) ([]byte, error) {
+	enc := encPool.Get().(*Encoder)
+
+	var buf bytes.Buffer
+	enc.Reset(&buf)
+
+	err := enc.Encode(v)
+	b := buf.Bytes()
+
+	encPool.Put(enc)
+
+	if err != nil {
+		return nil, err
+	}
+	return b, err
+}
+
+type Encoder struct {
+	w writer
+
+	buf       []byte
+	timeBuf   []byte
+	bootstrap [9 + 12]byte
+
+	intern map[string]int
+
+	flags uint32
+}
+
+// NewEncoder returns a new encoder that writes to w.
+func NewEncoder(w io.Writer) *Encoder {
+	e := new(Encoder)
+	e.buf = e.bootstrap[:9]
+	e.timeBuf = e.bootstrap[9 : 9+12]
+	e.Reset(w)
+	return e
+}
+
+func (e *Encoder) Reset(w io.Writer) {
+	if bw, ok := w.(writer); ok {
+		e.w = bw
+	} else if bw, ok := e.w.(*byteWriter); ok {
+		bw.Reset(w)
+	} else {
+		e.w = newByteWriter(w)
+	}
+
+	for k := range e.intern {
+		delete(e.intern, k)
+	}
+
+	//TODO:
+	//e.sortMapKeys = false
+	//e.structAsArray = false
+	//e.useJSONTag = false
+	//e.useCompact = false
+}
+
+// SortMapKeys causes the Encoder to encode map keys in increasing order.
+// Supported map types are:
+//   - map[string]string
+//   - map[string]interface{}
+func (e *Encoder) SortMapKeys(on bool) *Encoder {
+	if on {
+		e.flags |= sortMapKeysFlag
+	} else {
+		e.flags &= ^sortMapKeysFlag
+	}
+	return e
+}
+
+// StructAsArray causes the Encoder to encode Go structs as msgpack arrays.
+func (e *Encoder) StructAsArray(on bool) *Encoder {
+	if on {
+		e.flags |= structAsArrayFlag
+	} else {
+		e.flags &= ^structAsArrayFlag
+	}
+	return e
+}
+
+// UseJSONTag causes the Encoder to use json struct tag as fallback option
+// if there is no msgpack tag.
+func (e *Encoder) UseJSONTag(on bool) *Encoder {
+	if on {
+		e.flags |= encodeUsingJSONFlag
+	} else {
+		e.flags &= ^encodeUsingJSONFlag
+	}
+	return e
+}
+
+// UseCompactEncoding causes the Encoder to chose the most compact encoding.
+// For example, it allows to encode small Go int64 as msgpack int8 saving 7 bytes.
+func (e *Encoder) UseCompactEncoding(on bool) *Encoder {
+	if on {
+		e.flags |= useCompactIntsFlag
+	} else {
+		e.flags &= ^useCompactIntsFlag
+	}
+	return e
+}
+
+// UseCompactFloats causes the Encoder to chose a compact integer encoding
+// for floats that can be represented as integers.
+func (e *Encoder) UseCompactFloats(on bool) {
+	if on {
+		e.flags |= useCompactFloatsFlag
+	} else {
+		e.flags &= ^useCompactFloatsFlag
+	}
+}
+
+func (e *Encoder) Encode(v interface{}) error {
+	switch v := v.(type) {
+	case nil:
+		return e.EncodeNil()
+	case string:
+		return e.EncodeString(v)
+	case []byte:
+		return e.EncodeBytes(v)
+	case int:
+		return e.encodeInt64Cond(int64(v))
+	case int64:
+		return e.encodeInt64Cond(v)
+	case uint:
+		return e.encodeUint64Cond(uint64(v))
+	case uint64:
+		return e.encodeUint64Cond(v)
+	case bool:
+		return e.EncodeBool(v)
+	case float32:
+		return e.EncodeFloat32(v)
+	case float64:
+		return e.EncodeFloat64(v)
+	case time.Duration:
+		return e.encodeInt64Cond(int64(v))
+	case time.Time:
+		return e.EncodeTime(v)
+	}
+	return e.EncodeValue(reflect.ValueOf(v))
+}
+
+func (e *Encoder) EncodeMulti(v ...interface{}) error {
+	for _, vv := range v {
+		if err := e.Encode(vv); err != nil {
+			return err
+		}
+	}
+	return nil
+}
+
+func (e *Encoder) EncodeValue(v reflect.Value) error {
+	fn := getEncoder(v.Type())
+	return fn(e, v)
+}
+
+func (e *Encoder) EncodeNil() error {
+	return e.writeCode(codes.Nil)
+}
+
+func (e *Encoder) EncodeBool(value bool) error {
+	if value {
+		return e.writeCode(codes.True)
+	}
+	return e.writeCode(codes.False)
+}
+
+func (e *Encoder) EncodeDuration(d time.Duration) error {
+	return e.EncodeInt(int64(d))
+}
+
+func (e *Encoder) writeCode(c codes.Code) error {
+	return e.w.WriteByte(byte(c))
+}
+
+func (e *Encoder) write(b []byte) error {
+	_, err := e.w.Write(b)
+	return err
+}
+
+func (e *Encoder) writeString(s string) error {
+	_, err := e.w.Write(stringToBytes(s))
+	return err
+}
diff --git a/vendor/github.com/vmihailenco/msgpack/encode_map.go b/vendor/github.com/vmihailenco/msgpack/v4/encode_map.go
similarity index 92%
rename from vendor/github.com/vmihailenco/msgpack/encode_map.go
rename to vendor/github.com/vmihailenco/msgpack/v4/encode_map.go
index a87c4075f..d9b954d86 100644
--- a/vendor/github.com/vmihailenco/msgpack/encode_map.go
+++ b/vendor/github.com/vmihailenco/msgpack/v4/encode_map.go
@@ -4,7 +4,7 @@ import (
 	"reflect"
 	"sort"
 
-	"github.com/vmihailenco/msgpack/codes"
+	"github.com/vmihailenco/msgpack/v4/codes"
 )
 
 func encodeMapValue(e *Encoder, v reflect.Value) error {
@@ -38,7 +38,7 @@ func encodeMapStringStringValue(e *Encoder, v reflect.Value) error {
 	}
 
 	m := v.Convert(mapStringStringType).Interface().(map[string]string)
-	if e.sortMapKeys {
+	if e.flags&sortMapKeysFlag != 0 {
 		return e.encodeSortedMapStringString(m)
 	}
 
@@ -64,7 +64,7 @@ func encodeMapStringInterfaceValue(e *Encoder, v reflect.Value) error {
 	}
 
 	m := v.Convert(mapStringInterfaceType).Interface().(map[string]interface{})
-	if e.sortMapKeys {
+	if e.flags&sortMapKeysFlag != 0 {
 		return e.encodeSortedMapStringInterface(m)
 	}
 
@@ -82,7 +82,7 @@ func encodeMapStringInterfaceValue(e *Encoder, v reflect.Value) error {
 
 func (e *Encoder) encodeSortedMapStringString(m map[string]string) error {
 	keys := make([]string, 0, len(m))
-	for k, _ := range m {
+	for k := range m {
 		keys = append(keys, k)
 	}
 	sort.Strings(keys)
@@ -102,7 +102,7 @@ func (e *Encoder) encodeSortedMapStringString(m map[string]string) error {
 
 func (e *Encoder) encodeSortedMapStringInterface(m map[string]interface{}) error {
 	keys := make([]string, 0, len(m))
-	for k, _ := range m {
+	for k := range m {
 		keys = append(keys, k)
 	}
 	sort.Strings(keys)
@@ -132,13 +132,13 @@ func (e *Encoder) EncodeMapLen(l int) error {
 
 func encodeStructValue(e *Encoder, strct reflect.Value) error {
 	var structFields *fields
-	if e.useJSONTag {
+	if e.flags&encodeUsingJSONFlag != 0 {
 		structFields = jsonStructs.Fields(strct.Type())
 	} else {
 		structFields = structs.Fields(strct.Type())
 	}
 
-	if e.structAsArray || structFields.AsArray {
+	if e.flags&structAsArrayFlag != 0 || structFields.AsArray {
 		return encodeStructValueAsArray(e, strct, structFields.List)
 	}
 	fields := structFields.OmitEmpty(strct)
diff --git a/vendor/github.com/vmihailenco/msgpack/encode_number.go b/vendor/github.com/vmihailenco/msgpack/v4/encode_number.go
similarity index 85%
rename from vendor/github.com/vmihailenco/msgpack/encode_number.go
rename to vendor/github.com/vmihailenco/msgpack/v4/encode_number.go
index dd7db6fdd..bf3c2f851 100644
--- a/vendor/github.com/vmihailenco/msgpack/encode_number.go
+++ b/vendor/github.com/vmihailenco/msgpack/v4/encode_number.go
@@ -4,7 +4,7 @@ import (
 	"math"
 	"reflect"
 
-	"github.com/vmihailenco/msgpack/codes"
+	"github.com/vmihailenco/msgpack/v4/codes"
 )
 
 // EncodeUint8 encodes an uint8 in 2 bytes preserving type of the number.
@@ -13,7 +13,7 @@ func (e *Encoder) EncodeUint8(n uint8) error {
 }
 
 func (e *Encoder) encodeUint8Cond(n uint8) error {
-	if e.useCompact {
+	if e.flags&useCompactIntsFlag != 0 {
 		return e.EncodeUint(uint64(n))
 	}
 	return e.EncodeUint8(n)
@@ -25,7 +25,7 @@ func (e *Encoder) EncodeUint16(n uint16) error {
 }
 
 func (e *Encoder) encodeUint16Cond(n uint16) error {
-	if e.useCompact {
+	if e.flags&useCompactIntsFlag != 0 {
 		return e.EncodeUint(uint64(n))
 	}
 	return e.EncodeUint16(n)
@@ -37,7 +37,7 @@ func (e *Encoder) EncodeUint32(n uint32) error {
 }
 
 func (e *Encoder) encodeUint32Cond(n uint32) error {
-	if e.useCompact {
+	if e.flags&useCompactIntsFlag != 0 {
 		return e.EncodeUint(uint64(n))
 	}
 	return e.EncodeUint32(n)
@@ -49,7 +49,7 @@ func (e *Encoder) EncodeUint64(n uint64) error {
 }
 
 func (e *Encoder) encodeUint64Cond(n uint64) error {
-	if e.useCompact {
+	if e.flags&useCompactIntsFlag != 0 {
 		return e.EncodeUint(n)
 	}
 	return e.EncodeUint64(n)
@@ -61,7 +61,7 @@ func (e *Encoder) EncodeInt8(n int8) error {
 }
 
 func (e *Encoder) encodeInt8Cond(n int8) error {
-	if e.useCompact {
+	if e.flags&useCompactIntsFlag != 0 {
 		return e.EncodeInt(int64(n))
 	}
 	return e.EncodeInt8(n)
@@ -73,7 +73,7 @@ func (e *Encoder) EncodeInt16(n int16) error {
 }
 
 func (e *Encoder) encodeInt16Cond(n int16) error {
-	if e.useCompact {
+	if e.flags&useCompactIntsFlag != 0 {
 		return e.EncodeInt(int64(n))
 	}
 	return e.EncodeInt16(n)
@@ -85,7 +85,7 @@ func (e *Encoder) EncodeInt32(n int32) error {
 }
 
 func (e *Encoder) encodeInt32Cond(n int32) error {
-	if e.useCompact {
+	if e.flags&useCompactIntsFlag != 0 {
 		return e.EncodeInt(int64(n))
 	}
 	return e.EncodeInt32(n)
@@ -97,7 +97,7 @@ func (e *Encoder) EncodeInt64(n int64) error {
 }
 
 func (e *Encoder) encodeInt64Cond(n int64) error {
-	if e.useCompact {
+	if e.flags&useCompactIntsFlag != 0 {
 		return e.EncodeInt(n)
 	}
 	return e.EncodeInt64(n)
@@ -118,11 +118,11 @@ func (e *Encoder) EncodeUint(n uint64) error {
 	if n <= math.MaxUint32 {
 		return e.EncodeUint32(uint32(n))
 	}
-	return e.EncodeUint64(uint64(n))
+	return e.EncodeUint64(n)
 }
 
 // EncodeNumber encodes an int64 in 1, 2, 3, 5, or 9 bytes.
-// Type of number is lost during encoding.
+// Type of the number is lost during encoding.
 func (e *Encoder) EncodeInt(n int64) error {
 	if n >= 0 {
 		return e.EncodeUint(uint64(n))
@@ -139,21 +139,35 @@ func (e *Encoder) EncodeInt(n int64) error {
 	if n >= math.MinInt32 {
 		return e.EncodeInt32(int32(n))
 	}
-	return e.EncodeInt64(int64(n))
+	return e.EncodeInt64(n)
 }
 
 func (e *Encoder) EncodeFloat32(n float32) error {
+	if e.flags&useCompactFloatsFlag != 0 {
+		if float32(int64(n)) == n {
+			return e.EncodeInt(int64(n))
+		}
+	}
 	return e.write4(codes.Float, math.Float32bits(n))
 }
 
 func (e *Encoder) EncodeFloat64(n float64) error {
+	if e.flags&useCompactFloatsFlag != 0 {
+		// Both NaN and Inf convert to int64(-0x8000000000000000)
+		// If n is NaN then it never compares true with any other value
+		// If n is Inf then it doesn't convert from int64 back to +/-Inf
+		// In both cases the comparison works.
+		if float64(int64(n)) == n {
+			return e.EncodeInt(int64(n))
+		}
+	}
 	return e.write8(codes.Double, math.Float64bits(n))
 }
 
 func (e *Encoder) write1(code codes.Code, n uint8) error {
 	e.buf = e.buf[:2]
 	e.buf[0] = byte(code)
-	e.buf[1] = byte(n)
+	e.buf[1] = n
 	return e.write(e.buf)
 }
 
diff --git a/vendor/github.com/vmihailenco/msgpack/encode_slice.go b/vendor/github.com/vmihailenco/msgpack/v4/encode_slice.go
similarity index 90%
rename from vendor/github.com/vmihailenco/msgpack/encode_slice.go
rename to vendor/github.com/vmihailenco/msgpack/v4/encode_slice.go
index 5ddbd6311..69a9618e0 100644
--- a/vendor/github.com/vmihailenco/msgpack/encode_slice.go
+++ b/vendor/github.com/vmihailenco/msgpack/v4/encode_slice.go
@@ -3,9 +3,11 @@ package msgpack
 import (
 	"reflect"
 
-	"github.com/vmihailenco/msgpack/codes"
+	"github.com/vmihailenco/msgpack/v4/codes"
 )
 
+var sliceStringType = reflect.TypeOf(([]string)(nil))
+
 func encodeStringValue(e *Encoder, v reflect.Value) error {
 	return e.EncodeString(v.String())
 }
@@ -88,6 +90,11 @@ func (e *Encoder) EncodeArrayLen(l int) error {
 	return e.write4(codes.Array32, uint32(l))
 }
 
+func encodeStringSliceValue(e *Encoder, v reflect.Value) error {
+	ss := v.Convert(sliceStringType).Interface().([]string)
+	return e.encodeStringSlice(ss)
+}
+
 func (e *Encoder) encodeStringSlice(s []string) error {
 	if s == nil {
 		return e.EncodeNil()
diff --git a/vendor/github.com/vmihailenco/msgpack/encode_value.go b/vendor/github.com/vmihailenco/msgpack/v4/encode_value.go
similarity index 74%
rename from vendor/github.com/vmihailenco/msgpack/encode_value.go
rename to vendor/github.com/vmihailenco/msgpack/v4/encode_value.go
index b46ab02a1..335fcdb7e 100644
--- a/vendor/github.com/vmihailenco/msgpack/encode_value.go
+++ b/vendor/github.com/vmihailenco/msgpack/v4/encode_value.go
@@ -1,12 +1,14 @@
 package msgpack
 
 import (
+	"encoding"
 	"fmt"
 	"reflect"
 )
 
 var valueEncoders []encoderFunc
 
+//nolint:gochecknoinits
 func init() {
 	valueEncoders = []encoderFunc{
 		reflect.Bool:          encodeBoolValue,
@@ -38,8 +40,21 @@ func init() {
 }
 
 func getEncoder(typ reflect.Type) encoderFunc {
-	if encoder, ok := typEncMap[typ]; ok {
-		return encoder
+	if v, ok := typeEncMap.Load(typ); ok {
+		return v.(encoderFunc)
+	}
+	fn := _getEncoder(typ)
+	typeEncMap.Store(typ, fn)
+	return fn
+}
+
+func _getEncoder(typ reflect.Type) encoderFunc {
+	kind := typ.Kind()
+
+	if kind == reflect.Ptr {
+		if _, ok := typeEncMap.Load(typ.Elem()); ok {
+			return ptrEncoderFunc(typ)
+		}
 	}
 
 	if typ.Implements(customEncoderType) {
@@ -48,8 +63,9 @@ func getEncoder(typ reflect.Type) encoderFunc {
 	if typ.Implements(marshalerType) {
 		return marshalValue
 	}
-
-	kind := typ.Kind()
+	if typ.Implements(binaryMarshalerType) {
+		return marshalBinaryValue
+	}
 
 	// Addressable struct field value.
 	if kind != reflect.Ptr {
@@ -60,6 +76,9 @@ func getEncoder(typ reflect.Type) encoderFunc {
 		if ptr.Implements(marshalerType) {
 			return marshalValuePtr
 		}
+		if ptr.Implements(binaryMarshalerType) {
+			return marshalBinaryValuePtr
+		}
 	}
 
 	if typ == errorType {
@@ -70,9 +89,13 @@ func getEncoder(typ reflect.Type) encoderFunc {
 	case reflect.Ptr:
 		return ptrEncoderFunc(typ)
 	case reflect.Slice:
-		if typ.Elem().Kind() == reflect.Uint8 {
+		elem := typ.Elem()
+		if elem.Kind() == reflect.Uint8 {
 			return encodeByteSliceValue
 		}
+		if elem == stringType {
+			return encodeStringSliceValue
+		}
 	case reflect.Array:
 		if typ.Elem().Kind() == reflect.Uint8 {
 			return encodeByteArrayValue
@@ -87,6 +110,7 @@ func getEncoder(typ reflect.Type) encoderFunc {
 			}
 		}
 	}
+
 	return valueEncoders[kind]
 }
 
@@ -109,11 +133,8 @@ func encodeCustomValuePtr(e *Encoder, v reflect.Value) error {
 }
 
 func encodeCustomValue(e *Encoder, v reflect.Value) error {
-	switch v.Kind() {
-	case reflect.Chan, reflect.Func, reflect.Interface, reflect.Map, reflect.Ptr, reflect.Slice:
-		if v.IsNil() {
-			return e.EncodeNil()
-		}
+	if nilable(v) && v.IsNil() {
+		return e.EncodeNil()
 	}
 
 	encoder := v.Interface().(CustomEncoder)
@@ -128,11 +149,8 @@ func marshalValuePtr(e *Encoder, v reflect.Value) error {
 }
 
 func marshalValue(e *Encoder, v reflect.Value) error {
-	switch v.Kind() {
-	case reflect.Chan, reflect.Func, reflect.Interface, reflect.Map, reflect.Ptr, reflect.Slice:
-		if v.IsNil() {
-			return e.EncodeNil()
-		}
+	if nilable(v) && v.IsNil() {
+		return e.EncodeNil()
 	}
 
 	marshaler := v.Interface().(Marshaler)
@@ -165,3 +183,34 @@ func encodeErrorValue(e *Encoder, v reflect.Value) error {
 func encodeUnsupportedValue(e *Encoder, v reflect.Value) error {
 	return fmt.Errorf("msgpack: Encode(unsupported %s)", v.Type())
 }
+
+func nilable(v reflect.Value) bool {
+	switch v.Kind() {
+	case reflect.Chan, reflect.Func, reflect.Interface, reflect.Map, reflect.Ptr, reflect.Slice:
+		return true
+	}
+	return false
+}
+
+//------------------------------------------------------------------------------
+
+func marshalBinaryValuePtr(e *Encoder, v reflect.Value) error {
+	if !v.CanAddr() {
+		return fmt.Errorf("msgpack: Encode(non-addressable %T)", v.Interface())
+	}
+	return marshalBinaryValue(e, v.Addr())
+}
+
+func marshalBinaryValue(e *Encoder, v reflect.Value) error {
+	if nilable(v) && v.IsNil() {
+		return e.EncodeNil()
+	}
+
+	marshaler := v.Interface().(encoding.BinaryMarshaler)
+	data, err := marshaler.MarshalBinary()
+	if err != nil {
+		return err
+	}
+
+	return e.EncodeBytes(data)
+}
diff --git a/vendor/github.com/vmihailenco/msgpack/ext.go b/vendor/github.com/vmihailenco/msgpack/v4/ext.go
similarity index 77%
rename from vendor/github.com/vmihailenco/msgpack/ext.go
rename to vendor/github.com/vmihailenco/msgpack/v4/ext.go
index 7970be852..17e709bc8 100644
--- a/vendor/github.com/vmihailenco/msgpack/ext.go
+++ b/vendor/github.com/vmihailenco/msgpack/v4/ext.go
@@ -6,10 +6,15 @@ import (
 	"reflect"
 	"sync"
 
-	"github.com/vmihailenco/msgpack/codes"
+	"github.com/vmihailenco/msgpack/v4/codes"
 )
 
-var extTypes = make(map[int8]reflect.Type)
+type extInfo struct {
+	Type    reflect.Type
+	Decoder decoderFunc
+}
+
+var extTypes = make(map[int8]*extInfo)
 
 var bufferPool = &sync.Pool{
 	New: func() interface{} {
@@ -39,28 +44,29 @@ func RegisterExt(id int8, value interface{}) {
 }
 
 func registerExt(id int8, typ reflect.Type, enc encoderFunc, dec decoderFunc) {
-	if dec != nil {
-		extTypes[id] = typ
-	}
 	if enc != nil {
-		typEncMap[typ] = makeExtEncoder(id, enc)
+		typeEncMap.Store(typ, makeExtEncoder(id, enc))
 	}
 	if dec != nil {
-		typDecMap[typ] = makeExtDecoder(id, dec)
+		extTypes[id] = &extInfo{
+			Type:    typ,
+			Decoder: dec,
+		}
+		typeDecMap.Store(typ, makeExtDecoder(id, dec))
 	}
 }
 
-func (e *Encoder) EncodeExtHeader(typeId int8, length int) error {
+func (e *Encoder) EncodeExtHeader(typeID int8, length int) error {
 	if err := e.encodeExtLen(length); err != nil {
 		return err
 	}
-	if err := e.w.WriteByte(byte(typeId)); err != nil {
+	if err := e.w.WriteByte(byte(typeID)); err != nil {
 		return err
 	}
 	return nil
 }
 
-func makeExtEncoder(typeId int8, enc encoderFunc) encoderFunc {
+func makeExtEncoder(typeID int8, enc encoderFunc) encoderFunc {
 	return func(e *Encoder, v reflect.Value) error {
 		buf := bufferPool.Get().(*bytes.Buffer)
 		defer bufferPool.Put(buf)
@@ -75,7 +81,7 @@ func makeExtEncoder(typeId int8, enc encoderFunc) encoderFunc {
 			return err
 		}
 
-		err = e.EncodeExtHeader(typeId, buf.Len())
+		err = e.EncodeExtHeader(typeID, buf.Len())
 		if err != nil {
 			return err
 		}
@@ -83,7 +89,7 @@ func makeExtEncoder(typeId int8, enc encoderFunc) encoderFunc {
 	}
 }
 
-func makeExtDecoder(typeId int8, dec decoderFunc) decoderFunc {
+func makeExtDecoder(typeID int8, dec decoderFunc) decoderFunc {
 	return func(d *Decoder, v reflect.Value) error {
 		c, err := d.PeekCode()
 		if err != nil {
@@ -99,8 +105,8 @@ func makeExtDecoder(typeId int8, dec decoderFunc) decoderFunc {
 			return err
 		}
 
-		if id != typeId {
-			return fmt.Errorf("msgpack: got ext type=%d, wanted %d", int8(c), typeId)
+		if id != typeID {
+			return fmt.Errorf("msgpack: got ext type=%d, wanted %d", id, typeID)
 		}
 
 		d.extLen = extLen
@@ -156,43 +162,43 @@ func (d *Decoder) parseExtLen(c codes.Code) (int, error) {
 	}
 }
 
-func (d *Decoder) decodeExtHeader(c codes.Code) (int8, int, error) {
+func (d *Decoder) extHeader(c codes.Code) (int8, int, error) {
 	length, err := d.parseExtLen(c)
 	if err != nil {
 		return 0, 0, err
 	}
 
-	typeId, err := d.readCode()
+	typeID, err := d.readCode()
 	if err != nil {
 		return 0, 0, err
 	}
 
-	return int8(typeId), length, nil
+	return int8(typeID), length, nil
 }
 
-func (d *Decoder) DecodeExtHeader() (typeId int8, length int, err error) {
+func (d *Decoder) DecodeExtHeader() (typeID int8, length int, err error) {
 	c, err := d.readCode()
 	if err != nil {
 		return
 	}
-	return d.decodeExtHeader(c)
+	return d.extHeader(c)
 }
 
 func (d *Decoder) extInterface(c codes.Code) (interface{}, error) {
-	extId, extLen, err := d.decodeExtHeader(c)
+	extID, extLen, err := d.extHeader(c)
 	if err != nil {
 		return nil, err
 	}
 
-	typ, ok := extTypes[extId]
+	info, ok := extTypes[extID]
 	if !ok {
-		return nil, fmt.Errorf("msgpack: unregistered ext id=%d", extId)
+		return nil, fmt.Errorf("msgpack: unknown ext id=%d", extID)
 	}
 
-	v := reflect.New(typ)
+	v := reflect.New(info.Type)
 
 	d.extLen = extLen
-	err = d.DecodeValue(v.Elem())
+	err = info.Decoder(d, v.Elem())
 	d.extLen = 0
 	if err != nil {
 		return nil, err
diff --git a/vendor/github.com/vmihailenco/msgpack/v4/go.mod b/vendor/github.com/vmihailenco/msgpack/v4/go.mod
new file mode 100644
index 000000000..d935fa654
--- /dev/null
+++ b/vendor/github.com/vmihailenco/msgpack/v4/go.mod
@@ -0,0 +1,13 @@
+module github.com/vmihailenco/msgpack/v4
+
+require (
+	github.com/davecgh/go-spew v1.1.1
+	github.com/golang/protobuf v1.3.4 // indirect
+	github.com/kr/pretty v0.1.0 // indirect
+	github.com/vmihailenco/tagparser v0.1.1
+	golang.org/x/net v0.0.0-20200301022130-244492dfa37a // indirect
+	google.golang.org/appengine v1.6.5
+	gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127
+)
+
+go 1.11
diff --git a/vendor/github.com/vmihailenco/msgpack/v4/go.sum b/vendor/github.com/vmihailenco/msgpack/v4/go.sum
new file mode 100644
index 000000000..be608ec08
--- /dev/null
+++ b/vendor/github.com/vmihailenco/msgpack/v4/go.sum
@@ -0,0 +1,24 @@
+github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
+github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/golang/protobuf v1.3.1/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
+github.com/golang/protobuf v1.3.4 h1:87PNWwrRvUSnqS4dlcBU/ftvOIBep4sYuBLlh6rX2wk=
+github.com/golang/protobuf v1.3.4/go.mod h1:vzj43D7+SQXF/4pzW/hwtAqwc6iTitCiVSaWz5lYuqw=
+github.com/kr/pretty v0.1.0 h1:L/CwN0zerZDmRFUapSPitk6f+Q3+0za1rQkzVuMiMFI=
+github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORNo=
+github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
+github.com/kr/text v0.1.0 h1:45sCR5RtlFHMR4UwH9sdQ5TC8v0qDQCHnXt+kaKSTVE=
+github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=
+github.com/vmihailenco/tagparser v0.1.1 h1:quXMXlA39OCbd2wAdTsGDlK9RkOk6Wuw+x37wVyIuWY=
+github.com/vmihailenco/tagparser v0.1.1/go.mod h1:OeAg3pn3UbLjkWt+rN9oFYB6u/cQgqMEUPoW2WPyhdI=
+golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
+golang.org/x/net v0.0.0-20190603091049-60506f45cf65/go.mod h1:HSz+uSET+XFnRR8LxR5pz3Of3rY3CfYBVs4xY44aLks=
+golang.org/x/net v0.0.0-20200301022130-244492dfa37a h1:GuSPYbZzB5/dcLNCwLQLsg3obCJtX9IJhpXkvY7kzk0=
+golang.org/x/net v0.0.0-20200301022130-244492dfa37a/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
+golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
+golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
+golang.org/x/text v0.3.2/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk=
+golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
+google.golang.org/appengine v1.6.5 h1:tycE03LOZYQNhDpS27tcQdAzLCVMaj7QT2SXxebnpCM=
+google.golang.org/appengine v1.6.5/go.mod h1:8WjMMxjGQR8xUklV/ARdw2HLXBOI7O7uCIDZVag1xfc=
+gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127 h1:qIbj1fsPNlZgppZ+VLlY7N33q108Sa+fhmuc+sWQYwY=
+gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
diff --git a/vendor/github.com/vmihailenco/msgpack/v4/intern.go b/vendor/github.com/vmihailenco/msgpack/v4/intern.go
new file mode 100644
index 000000000..6ca569273
--- /dev/null
+++ b/vendor/github.com/vmihailenco/msgpack/v4/intern.go
@@ -0,0 +1,236 @@
+package msgpack
+
+import (
+	"encoding/binary"
+	"errors"
+	"fmt"
+	"math"
+	"reflect"
+
+	"github.com/vmihailenco/msgpack/v4/codes"
+)
+
+var internStringExtID int8 = -128
+
+var errUnexpectedCode = errors.New("msgpack: unexpected code")
+
+func encodeInternInterfaceValue(e *Encoder, v reflect.Value) error {
+	if v.IsNil() {
+		return e.EncodeNil()
+	}
+
+	v = v.Elem()
+	if v.Kind() == reflect.String {
+		return encodeInternStringValue(e, v)
+	}
+	return e.EncodeValue(v)
+}
+
+func encodeInternStringValue(e *Encoder, v reflect.Value) error {
+	s := v.String()
+
+	if s != "" {
+		if idx, ok := e.intern[s]; ok {
+			return e.internStringIndex(idx)
+		}
+
+		if e.intern == nil {
+			e.intern = make(map[string]int)
+		}
+
+		idx := len(e.intern)
+		e.intern[s] = idx
+	}
+
+	return e.EncodeString(s)
+}
+
+func (e *Encoder) internStringIndex(idx int) error {
+	if idx < math.MaxUint8 {
+		if err := e.writeCode(codes.FixExt1); err != nil {
+			return err
+		}
+		if err := e.w.WriteByte(byte(internStringExtID)); err != nil {
+			return err
+		}
+		return e.w.WriteByte(byte(idx))
+	}
+
+	if idx < math.MaxUint16 {
+		if err := e.writeCode(codes.FixExt2); err != nil {
+			return err
+		}
+		if err := e.w.WriteByte(byte(internStringExtID)); err != nil {
+			return err
+		}
+		if err := e.w.WriteByte(byte(idx >> 8)); err != nil {
+			return err
+		}
+		return e.w.WriteByte(byte(idx))
+	}
+
+	if int64(idx) < math.MaxUint32 {
+		if err := e.writeCode(codes.FixExt4); err != nil {
+			return err
+		}
+		if err := e.w.WriteByte(byte(internStringExtID)); err != nil {
+			return err
+		}
+		if err := e.w.WriteByte(byte(idx >> 24)); err != nil {
+			return err
+		}
+		if err := e.w.WriteByte(byte(idx >> 16)); err != nil {
+			return err
+		}
+		if err := e.w.WriteByte(byte(idx >> 8)); err != nil {
+			return err
+		}
+		return e.w.WriteByte(byte(idx))
+	}
+
+	return fmt.Errorf("msgpack: intern string index=%d is too large", idx)
+}
+
+//------------------------------------------------------------------------------
+
+func decodeInternInterfaceValue(d *Decoder, v reflect.Value) error {
+	c, err := d.readCode()
+	if err != nil {
+		return err
+	}
+
+	s, err := d.internString(c)
+	if err == nil {
+		v.Set(reflect.ValueOf(s))
+		return nil
+	}
+	if err != nil && err != errUnexpectedCode {
+		return err
+	}
+
+	if err := d.s.UnreadByte(); err != nil {
+		return err
+	}
+
+	return decodeInterfaceValue(d, v)
+}
+
+func decodeInternStringValue(d *Decoder, v reflect.Value) error {
+	if err := mustSet(v); err != nil {
+		return err
+	}
+
+	c, err := d.readCode()
+	if err != nil {
+		return err
+	}
+
+	s, err := d.internString(c)
+	if err != nil {
+		if err == errUnexpectedCode {
+			return fmt.Errorf("msgpack: invalid code=%x decoding intern string", c)
+		}
+		return err
+	}
+
+	v.SetString(s)
+	return nil
+}
+
+func (d *Decoder) internString(c codes.Code) (string, error) {
+	if codes.IsFixedString(c) {
+		n := int(c & codes.FixedStrMask)
+		return d.internStringWithLen(n)
+	}
+
+	switch c {
+	case codes.FixExt1, codes.FixExt2, codes.FixExt4:
+		typeID, length, err := d.extHeader(c)
+		if err != nil {
+			return "", err
+		}
+		if typeID != internStringExtID {
+			err := fmt.Errorf("msgpack: got ext type=%d, wanted %d",
+				typeID, internStringExtID)
+			return "", err
+		}
+
+		idx, err := d.internStringIndex(length)
+		if err != nil {
+			return "", err
+		}
+
+		return d.internStringAtIndex(idx)
+	case codes.Str8, codes.Bin8:
+		n, err := d.uint8()
+		if err != nil {
+			return "", err
+		}
+		return d.internStringWithLen(int(n))
+	case codes.Str16, codes.Bin16:
+		n, err := d.uint16()
+		if err != nil {
+			return "", err
+		}
+		return d.internStringWithLen(int(n))
+	case codes.Str32, codes.Bin32:
+		n, err := d.uint32()
+		if err != nil {
+			return "", err
+		}
+		return d.internStringWithLen(int(n))
+	}
+
+	return "", errUnexpectedCode
+}
+
+func (d *Decoder) internStringIndex(length int) (int, error) {
+	switch length {
+	case 1:
+		c, err := d.s.ReadByte()
+		if err != nil {
+			return 0, err
+		}
+		return int(c), nil
+	case 2:
+		b, err := d.readN(2)
+		if err != nil {
+			return 0, err
+		}
+		n := binary.BigEndian.Uint16(b)
+		return int(n), nil
+	case 4:
+		b, err := d.readN(4)
+		if err != nil {
+			return 0, err
+		}
+		n := binary.BigEndian.Uint32(b)
+		return int(n), nil
+	}
+
+	err := fmt.Errorf("msgpack: unsupported intern string index length=%d", length)
+	return 0, err
+}
+
+func (d *Decoder) internStringAtIndex(idx int) (string, error) {
+	if idx >= len(d.intern) {
+		err := fmt.Errorf("msgpack: intern string with index=%d does not exist", idx)
+		return "", err
+	}
+	return d.intern[idx], nil
+}
+
+func (d *Decoder) internStringWithLen(n int) (string, error) {
+	if n <= 0 {
+		return "", nil
+	}
+
+	s, err := d.stringWithLen(n)
+	if err != nil {
+		return "", err
+	}
+
+	d.intern = append(d.intern, s)
+
+	return s, nil
+}
diff --git a/vendor/github.com/vmihailenco/msgpack/msgpack.go b/vendor/github.com/vmihailenco/msgpack/v4/msgpack.go
similarity index 100%
rename from vendor/github.com/vmihailenco/msgpack/msgpack.go
rename to vendor/github.com/vmihailenco/msgpack/v4/msgpack.go
diff --git a/vendor/github.com/vmihailenco/msgpack/v4/safe.go b/vendor/github.com/vmihailenco/msgpack/v4/safe.go
new file mode 100644
index 000000000..8352c9dce
--- /dev/null
+++ b/vendor/github.com/vmihailenco/msgpack/v4/safe.go
@@ -0,0 +1,13 @@
+// +build appengine
+
+package msgpack
+
+// bytesToString converts byte slice to string.
+func bytesToString(b []byte) string {
+	return string(b)
+}
+
+// stringToBytes converts string to byte slice.
+func stringToBytes(s string) []byte {
+	return []byte(s)
+}
diff --git a/vendor/github.com/vmihailenco/msgpack/time.go b/vendor/github.com/vmihailenco/msgpack/v4/time.go
similarity index 83%
rename from vendor/github.com/vmihailenco/msgpack/time.go
rename to vendor/github.com/vmihailenco/msgpack/v4/time.go
index f7409690a..bf53eb2a3 100644
--- a/vendor/github.com/vmihailenco/msgpack/time.go
+++ b/vendor/github.com/vmihailenco/msgpack/v4/time.go
@@ -6,14 +6,16 @@ import (
 	"reflect"
 	"time"
 
-	"github.com/vmihailenco/msgpack/codes"
+	"github.com/vmihailenco/msgpack/v4/codes"
 )
 
-var timeExtId int8 = -1
+var timeExtID int8 = -1
 
+var timePtrType = reflect.TypeOf((*time.Time)(nil))
+
+//nolint:gochecknoinits
 func init() {
-	timeType := reflect.TypeOf((*time.Time)(nil)).Elem()
-	registerExt(timeExtId, timeType, encodeTimeValue, decodeTimeValue)
+	registerExt(timeExtID, timePtrType.Elem(), encodeTimeValue, decodeTimeValue)
 }
 
 func (e *Encoder) EncodeTime(tm time.Time) error {
@@ -21,7 +23,7 @@ func (e *Encoder) EncodeTime(tm time.Time) error {
 	if err := e.encodeExtLen(len(b)); err != nil {
 		return err
 	}
-	if err := e.w.WriteByte(byte(timeExtId)); err != nil {
+	if err := e.w.WriteByte(byte(timeExtID)); err != nil {
 		return err
 	}
 	return e.write(b)
@@ -32,19 +34,18 @@ func (e *Encoder) encodeTime(tm time.Time) []byte {
 	if secs>>34 == 0 {
 		data := uint64(tm.Nanosecond())<<34 | secs
 		if data&0xffffffff00000000 == 0 {
-			b := make([]byte, 4)
+			b := e.timeBuf[:4]
 			binary.BigEndian.PutUint32(b, uint32(data))
 			return b
-		} else {
-			b := make([]byte, 8)
-			binary.BigEndian.PutUint64(b, data)
-			return b
 		}
+		b := e.timeBuf[:8]
+		binary.BigEndian.PutUint64(b, data)
+		return b
 	}
 
-	b := make([]byte, 12)
+	b := e.timeBuf[:12]
 	binary.BigEndian.PutUint32(b, uint32(tm.Nanosecond()))
-	binary.BigEndian.PutUint64(b[4:], uint64(secs))
+	binary.BigEndian.PutUint64(b[4:], secs)
 	return b
 }
 
@@ -140,6 +141,9 @@ func decodeTimeValue(d *Decoder, v reflect.Value) error {
 	if err != nil {
 		return err
 	}
-	v.Set(reflect.ValueOf(tm))
+
+	ptr := v.Addr().Interface().(*time.Time)
+	*ptr = tm
+
 	return nil
 }
diff --git a/vendor/github.com/vmihailenco/msgpack/types.go b/vendor/github.com/vmihailenco/msgpack/v4/types.go
similarity index 55%
rename from vendor/github.com/vmihailenco/msgpack/types.go
rename to vendor/github.com/vmihailenco/msgpack/v4/types.go
index 6a1bf7f91..08cf099dd 100644
--- a/vendor/github.com/vmihailenco/msgpack/types.go
+++ b/vendor/github.com/vmihailenco/msgpack/v4/types.go
@@ -1,23 +1,41 @@
 package msgpack
 
 import (
+	"encoding"
+	"fmt"
+	"log"
 	"reflect"
 	"sync"
+
+	"github.com/vmihailenco/tagparser"
 )
 
 var errorType = reflect.TypeOf((*error)(nil)).Elem()
 
-var customEncoderType = reflect.TypeOf((*CustomEncoder)(nil)).Elem()
-var customDecoderType = reflect.TypeOf((*CustomDecoder)(nil)).Elem()
+var (
+	customEncoderType = reflect.TypeOf((*CustomEncoder)(nil)).Elem()
+	customDecoderType = reflect.TypeOf((*CustomDecoder)(nil)).Elem()
+)
 
-var marshalerType = reflect.TypeOf((*Marshaler)(nil)).Elem()
-var unmarshalerType = reflect.TypeOf((*Unmarshaler)(nil)).Elem()
+var (
+	marshalerType   = reflect.TypeOf((*Marshaler)(nil)).Elem()
+	unmarshalerType = reflect.TypeOf((*Unmarshaler)(nil)).Elem()
+)
 
-type encoderFunc func(*Encoder, reflect.Value) error
-type decoderFunc func(*Decoder, reflect.Value) error
+var (
+	binaryMarshalerType   = reflect.TypeOf((*encoding.BinaryMarshaler)(nil)).Elem()
+	binaryUnmarshalerType = reflect.TypeOf((*encoding.BinaryUnmarshaler)(nil)).Elem()
+)
 
-var typEncMap = make(map[reflect.Type]encoderFunc)
-var typDecMap = make(map[reflect.Type]decoderFunc)
+type (
+	encoderFunc func(*Encoder, reflect.Value) error
+	decoderFunc func(*Decoder, reflect.Value) error
+)
+
+var (
+	typeEncMap sync.Map
+	typeDecMap sync.Map
+)
 
 // Register registers encoder and decoder functions for a value.
 // This is low level API and in most cases you should prefer implementing
@@ -25,49 +43,39 @@ var typDecMap = make(map[reflect.Type]decoderFunc)
 func Register(value interface{}, enc encoderFunc, dec decoderFunc) {
 	typ := reflect.TypeOf(value)
 	if enc != nil {
-		typEncMap[typ] = enc
+		typeEncMap.Store(typ, enc)
 	}
 	if dec != nil {
-		typDecMap[typ] = dec
+		typeDecMap.Store(typ, dec)
 	}
 }
 
 //------------------------------------------------------------------------------
 
-var structs = newStructCache(false)
-var jsonStructs = newStructCache(true)
+var (
+	structs     = newStructCache(false)
+	jsonStructs = newStructCache(true)
+)
 
 type structCache struct {
-	mu sync.RWMutex
-	m  map[reflect.Type]*fields
+	m sync.Map
 
 	useJSONTag bool
 }
 
 func newStructCache(useJSONTag bool) *structCache {
 	return &structCache{
-		m: make(map[reflect.Type]*fields),
-
 		useJSONTag: useJSONTag,
 	}
 }
 
 func (m *structCache) Fields(typ reflect.Type) *fields {
-	m.mu.RLock()
-	fs, ok := m.m[typ]
-	m.mu.RUnlock()
-	if ok {
-		return fs
+	if v, ok := m.m.Load(typ); ok {
+		return v.(*fields)
 	}
 
-	m.mu.Lock()
-	fs, ok = m.m[typ]
-	if !ok {
-		fs = getFields(typ, m.useJSONTag)
-		m.m[typ] = fs
-	}
-	m.mu.Unlock()
-
+	fs := getFields(typ, m.useJSONTag)
+	m.m.Store(typ, fs)
 	return fs
 }
 
@@ -81,84 +89,99 @@ type field struct {
 	decoder   decoderFunc
 }
 
-func (f *field) value(v reflect.Value) reflect.Value {
-	return fieldByIndex(v, f.index)
-}
-
 func (f *field) Omit(strct reflect.Value) bool {
-	return f.omitEmpty && isEmptyValue(f.value(strct))
+	v, isNil := fieldByIndex(strct, f.index)
+	if isNil {
+		return true
+	}
+	return f.omitEmpty && isEmptyValue(v)
 }
 
 func (f *field) EncodeValue(e *Encoder, strct reflect.Value) error {
-	return f.encoder(e, f.value(strct))
+	v, isNil := fieldByIndex(strct, f.index)
+	if isNil {
+		return e.EncodeNil()
+	}
+	return f.encoder(e, v)
 }
 
 func (f *field) DecodeValue(d *Decoder, strct reflect.Value) error {
-	return f.decoder(d, f.value(strct))
+	v := fieldByIndexAlloc(strct, f.index)
+	return f.decoder(d, v)
 }
 
 //------------------------------------------------------------------------------
 
 type fields struct {
-	Table   map[string]*field
+	Type    reflect.Type
+	Map     map[string]*field
 	List    []*field
 	AsArray bool
 
 	hasOmitEmpty bool
 }
 
-func newFields(numField int) *fields {
+func newFields(typ reflect.Type) *fields {
 	return &fields{
-		Table: make(map[string]*field, numField),
-		List:  make([]*field, 0, numField),
+		Type: typ,
+		Map:  make(map[string]*field, typ.NumField()),
+		List: make([]*field, 0, typ.NumField()),
 	}
 }
 
 func (fs *fields) Add(field *field) {
-	fs.Table[field.name] = field
+	fs.warnIfFieldExists(field.name)
+	fs.Map[field.name] = field
 	fs.List = append(fs.List, field)
 	if field.omitEmpty {
 		fs.hasOmitEmpty = true
 	}
 }
 
+func (fs *fields) warnIfFieldExists(name string) {
+	if _, ok := fs.Map[name]; ok {
+		log.Printf("msgpack: %s already has field=%s", fs.Type, name)
+	}
+}
+
 func (fs *fields) OmitEmpty(strct reflect.Value) []*field {
 	if !fs.hasOmitEmpty {
 		return fs.List
 	}
 
 	fields := make([]*field, 0, len(fs.List))
+
 	for _, f := range fs.List {
 		if !f.Omit(strct) {
 			fields = append(fields, f)
 		}
 	}
+
 	return fields
 }
 
 func getFields(typ reflect.Type, useJSONTag bool) *fields {
-	numField := typ.NumField()
-	fs := newFields(numField)
+	fs := newFields(typ)
 
 	var omitEmpty bool
-	for i := 0; i < numField; i++ {
+	for i := 0; i < typ.NumField(); i++ {
 		f := typ.Field(i)
 
-		tag := f.Tag.Get("msgpack")
-		if useJSONTag && tag == "" {
-			tag = f.Tag.Get("json")
+		tagStr := f.Tag.Get("msgpack")
+		if useJSONTag && tagStr == "" {
+			tagStr = f.Tag.Get("json")
 		}
 
-		name, opt := parseTag(tag)
-		if name == "-" {
+		tag := tagparser.Parse(tagStr)
+		if tag.Name == "-" {
 			continue
 		}
 
 		if f.Name == "_msgpack" {
-			if opt.Contains("asArray") {
+			if tag.HasOption("asArray") {
 				fs.AsArray = true
 			}
-			if opt.Contains("omitempty") {
+			if tag.HasOption("omitempty") {
 				omitEmpty = true
 			}
 		}
@@ -168,38 +191,65 @@ func getFields(typ reflect.Type, useJSONTag bool) *fields {
 		}
 
 		field := &field{
-			name:      name,
+			name:      tag.Name,
 			index:     f.Index,
-			omitEmpty: omitEmpty || opt.Contains("omitempty"),
-			encoder:   getEncoder(f.Type),
-			decoder:   getDecoder(f.Type),
+			omitEmpty: omitEmpty || tag.HasOption("omitempty"),
+		}
+
+		if tag.HasOption("intern") {
+			switch f.Type.Kind() {
+			case reflect.Interface:
+				field.encoder = encodeInternInterfaceValue
+				field.decoder = decodeInternInterfaceValue
+			case reflect.String:
+				field.encoder = encodeInternStringValue
+				field.decoder = decodeInternStringValue
+			default:
+				err := fmt.Errorf("msgpack: intern strings are not supported on %s", f.Type)
+				panic(err)
+			}
+		} else {
+			field.encoder = getEncoder(f.Type)
+			field.decoder = getDecoder(f.Type)
 		}
 
 		if field.name == "" {
 			field.name = f.Name
 		}
 
-		if f.Anonymous && !opt.Contains("noinline") {
-			inline := opt.Contains("inline")
+		if f.Anonymous && !tag.HasOption("noinline") {
+			inline := tag.HasOption("inline")
 			if inline {
 				inlineFields(fs, f.Type, field, useJSONTag)
 			} else {
-				inline = autoinlineFields(fs, f.Type, field, useJSONTag)
+				inline = shouldInline(fs, f.Type, field, useJSONTag)
 			}
+
 			if inline {
-				fs.Table[field.name] = field
+				if _, ok := fs.Map[field.name]; ok {
+					log.Printf("msgpack: %s already has field=%s", fs.Type, field.name)
+				}
+				fs.Map[field.name] = field
 				continue
 			}
 		}
 
 		fs.Add(field)
+
+		if alias, ok := tag.Options["alias"]; ok {
+			fs.warnIfFieldExists(alias)
+			fs.Map[alias] = field
+		}
 	}
 	return fs
 }
 
-var encodeStructValuePtr uintptr
-var decodeStructValuePtr uintptr
+var (
+	encodeStructValuePtr uintptr
+	decodeStructValuePtr uintptr
+)
 
+//nolint:gochecknoinits
 func init() {
 	encodeStructValuePtr = reflect.ValueOf(encodeStructValue).Pointer()
 	decodeStructValuePtr = reflect.ValueOf(decodeStructValue).Pointer()
@@ -208,7 +258,7 @@ func init() {
 func inlineFields(fs *fields, typ reflect.Type, f *field, useJSONTag bool) {
 	inlinedFields := getFields(typ, useJSONTag).List
 	for _, field := range inlinedFields {
-		if _, ok := fs.Table[field.name]; ok {
+		if _, ok := fs.Map[field.name]; ok {
 			// Don't inline shadowed fields.
 			continue
 		}
@@ -217,7 +267,7 @@ func inlineFields(fs *fields, typ reflect.Type, f *field, useJSONTag bool) {
 	}
 }
 
-func autoinlineFields(fs *fields, typ reflect.Type, f *field, useJSONTag bool) bool {
+func shouldInline(fs *fields, typ reflect.Type, f *field, useJSONTag bool) bool {
 	var encoder encoderFunc
 	var decoder decoderFunc
 
@@ -244,7 +294,7 @@ func autoinlineFields(fs *fields, typ reflect.Type, f *field, useJSONTag bool) b
 
 	inlinedFields := getFields(typ, useJSONTag).List
 	for _, field := range inlinedFields {
-		if _, ok := fs.Table[field.name]; ok {
+		if _, ok := fs.Map[field.name]; ok {
 			// Don't auto inline if there are shadowed fields.
 			return false
 		}
@@ -275,11 +325,32 @@ func isEmptyValue(v reflect.Value) bool {
 	return false
 }
 
-func fieldByIndex(v reflect.Value, index []int) reflect.Value {
+func fieldByIndex(v reflect.Value, index []int) (_ reflect.Value, isNil bool) {
+	if len(index) == 1 {
+		return v.Field(index[0]), false
+	}
+
+	for i, idx := range index {
+		if i > 0 {
+			if v.Kind() == reflect.Ptr {
+				if v.IsNil() {
+					return v, true
+				}
+				v = v.Elem()
+			}
+		}
+		v = v.Field(idx)
+	}
+
+	return v, false
+}
+
+func fieldByIndexAlloc(v reflect.Value, index []int) reflect.Value {
 	if len(index) == 1 {
 		return v.Field(index[0])
 	}
-	for i, x := range index {
+
+	for i, idx := range index {
 		if i > 0 {
 			var ok bool
 			v, ok = indirectNew(v)
@@ -287,8 +358,9 @@ func fieldByIndex(v reflect.Value, index []int) reflect.Value {
 				return v
 			}
 		}
-		v = v.Field(x)
+		v = v.Field(idx)
 	}
+
 	return v
 }
 
diff --git a/vendor/github.com/vmihailenco/msgpack/v4/unsafe.go b/vendor/github.com/vmihailenco/msgpack/v4/unsafe.go
new file mode 100644
index 000000000..50c0da8b5
--- /dev/null
+++ b/vendor/github.com/vmihailenco/msgpack/v4/unsafe.go
@@ -0,0 +1,22 @@
+// +build !appengine
+
+package msgpack
+
+import (
+	"unsafe"
+)
+
+// bytesToString converts byte slice to string.
+func bytesToString(b []byte) string { //nolint:deadcode,unused
+	return *(*string)(unsafe.Pointer(&b))
+}
+
+// stringToBytes converts string to byte slice.
+func stringToBytes(s string) []byte {
+	return *(*[]byte)(unsafe.Pointer(
+		&struct {
+			string
+			Cap int
+		}{s, len(s)},
+	))
+}
diff --git a/vendor/github.com/vmihailenco/tagparser/.travis.yml b/vendor/github.com/vmihailenco/tagparser/.travis.yml
new file mode 100644
index 000000000..ec5384523
--- /dev/null
+++ b/vendor/github.com/vmihailenco/tagparser/.travis.yml
@@ -0,0 +1,24 @@
+dist: xenial
+sudo: false
+language: go
+
+go:
+  - 1.11.x
+  - 1.12.x
+  - tip
+
+matrix:
+  allow_failures:
+    - go: tip
+
+env:
+  - GO111MODULE=on
+
+go_import_path: github.com/vmihailenco/tagparser
+
+before_install:
+  - curl -sfL https://install.goreleaser.com/github.com/golangci/golangci-lint.sh | sh -s -- -b $(go env GOPATH)/bin v1.17.1
+
+script:
+  - make
+  - golangci-lint run
diff --git a/vendor/github.com/vmihailenco/tagparser/LICENSE b/vendor/github.com/vmihailenco/tagparser/LICENSE
new file mode 100644
index 000000000..3fc93fdff
--- /dev/null
+++ b/vendor/github.com/vmihailenco/tagparser/LICENSE
@@ -0,0 +1,25 @@
+Copyright (c) 2019 The github.com/vmihailenco/tagparser Authors.
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are
+met:
+
+   * Redistributions of source code must retain the above copyright
+notice, this list of conditions and the following disclaimer.
+   * Redistributions in binary form must reproduce the above
+copyright notice, this list of conditions and the following disclaimer
+in the documentation and/or other materials provided with the
+distribution.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
diff --git a/vendor/github.com/vmihailenco/tagparser/Makefile b/vendor/github.com/vmihailenco/tagparser/Makefile
new file mode 100644
index 000000000..fe9dc5bdb
--- /dev/null
+++ b/vendor/github.com/vmihailenco/tagparser/Makefile
@@ -0,0 +1,8 @@
+all:
+	go test ./...
+	go test ./... -short -race
+	go test ./... -run=NONE -bench=. -benchmem
+	env GOOS=linux GOARCH=386 go test ./...
+	go vet ./...
+	go get github.com/gordonklaus/ineffassign
+	ineffassign .
diff --git a/vendor/github.com/vmihailenco/tagparser/README.md b/vendor/github.com/vmihailenco/tagparser/README.md
new file mode 100644
index 000000000..411aa5444
--- /dev/null
+++ b/vendor/github.com/vmihailenco/tagparser/README.md
@@ -0,0 +1,24 @@
+# Opinionated Golang tag parser
+
+[![Build Status](https://travis-ci.org/vmihailenco/tagparser.png?branch=master)](https://travis-ci.org/vmihailenco/tagparser)
+[![GoDoc](https://godoc.org/github.com/vmihailenco/tagparser?status.svg)](https://godoc.org/github.com/vmihailenco/tagparser)
+
+## Installation
+
+Install:
+
+```shell
+go get -u github.com/vmihailenco/tagparser
+```
+
+## Quickstart
+
+```go
+func ExampleParse() {
+	tag := tagparser.Parse("some_name,key:value,key2:'complex value'")
+	fmt.Println(tag.Name)
+	fmt.Println(tag.Options)
+	// Output: some_name
+	// map[key:value key2:'complex value']
+}
+```
diff --git a/vendor/github.com/vmihailenco/tagparser/go.mod b/vendor/github.com/vmihailenco/tagparser/go.mod
new file mode 100644
index 000000000..961a46ddb
--- /dev/null
+++ b/vendor/github.com/vmihailenco/tagparser/go.mod
@@ -0,0 +1,3 @@
+module github.com/vmihailenco/tagparser
+
+go 1.13
diff --git a/vendor/github.com/vmihailenco/tagparser/internal/parser/parser.go b/vendor/github.com/vmihailenco/tagparser/internal/parser/parser.go
new file mode 100644
index 000000000..2de1c6f7b
--- /dev/null
+++ b/vendor/github.com/vmihailenco/tagparser/internal/parser/parser.go
@@ -0,0 +1,82 @@
+package parser
+
+import (
+	"bytes"
+
+	"github.com/vmihailenco/tagparser/internal"
+)
+
+type Parser struct {
+	b []byte
+	i int
+}
+
+func New(b []byte) *Parser {
+	return &Parser{
+		b: b,
+	}
+}
+
+func NewString(s string) *Parser {
+	return New(internal.StringToBytes(s))
+}
+
+func (p *Parser) Bytes() []byte {
+	return p.b[p.i:]
+}
+
+func (p *Parser) Valid() bool {
+	return p.i < len(p.b)
+}
+
+func (p *Parser) Read() byte {
+	if p.Valid() {
+		c := p.b[p.i]
+		p.Advance()
+		return c
+	}
+	return 0
+}
+
+func (p *Parser) Peek() byte {
+	if p.Valid() {
+		return p.b[p.i]
+	}
+	return 0
+}
+
+func (p *Parser) Advance() {
+	p.i++
+}
+
+func (p *Parser) Skip(skip byte) bool {
+	if p.Peek() == skip {
+		p.Advance()
+		return true
+	}
+	return false
+}
+
+func (p *Parser) SkipBytes(skip []byte) bool {
+	if len(skip) > len(p.b[p.i:]) {
+		return false
+	}
+	if !bytes.Equal(p.b[p.i:p.i+len(skip)], skip) {
+		return false
+	}
+	p.i += len(skip)
+	return true
+}
+
+func (p *Parser) ReadSep(sep byte) ([]byte, bool) {
+	ind := bytes.IndexByte(p.b[p.i:], sep)
+	if ind == -1 {
+		b := p.b[p.i:]
+		p.i = len(p.b)
+		return b, false
+	}
+
+	b := p.b[p.i : p.i+ind]
+	p.i += ind + 1
+	return b, true
+}
diff --git a/vendor/github.com/vmihailenco/tagparser/internal/safe.go b/vendor/github.com/vmihailenco/tagparser/internal/safe.go
new file mode 100644
index 000000000..870fe541f
--- /dev/null
+++ b/vendor/github.com/vmihailenco/tagparser/internal/safe.go
@@ -0,0 +1,11 @@
+// +build appengine
+
+package internal
+
+func BytesToString(b []byte) string {
+	return string(b)
+}
+
+func StringToBytes(s string) []byte {
+	return []byte(s)
+}
diff --git a/vendor/github.com/vmihailenco/tagparser/internal/unsafe.go b/vendor/github.com/vmihailenco/tagparser/internal/unsafe.go
new file mode 100644
index 000000000..f8bc18d91
--- /dev/null
+++ b/vendor/github.com/vmihailenco/tagparser/internal/unsafe.go
@@ -0,0 +1,22 @@
+// +build !appengine
+
+package internal
+
+import (
+	"unsafe"
+)
+
+// BytesToString converts byte slice to string.
+func BytesToString(b []byte) string {
+	return *(*string)(unsafe.Pointer(&b))
+}
+
+// StringToBytes converts string to byte slice.
+func StringToBytes(s string) []byte {
+	return *(*[]byte)(unsafe.Pointer(
+		&struct {
+			string
+			Cap int
+		}{s, len(s)},
+	))
+}
diff --git a/vendor/github.com/vmihailenco/tagparser/tagparser.go b/vendor/github.com/vmihailenco/tagparser/tagparser.go
new file mode 100644
index 000000000..56b918011
--- /dev/null
+++ b/vendor/github.com/vmihailenco/tagparser/tagparser.go
@@ -0,0 +1,176 @@
+package tagparser
+
+import (
+	"github.com/vmihailenco/tagparser/internal/parser"
+)
+
+type Tag struct {
+	Name    string
+	Options map[string]string
+}
+
+func (t *Tag) HasOption(name string) bool {
+	_, ok := t.Options[name]
+	return ok
+}
+
+func Parse(s string) *Tag {
+	p := &tagParser{
+		Parser: parser.NewString(s),
+	}
+	p.parseKey()
+	return &p.Tag
+}
+
+type tagParser struct {
+	*parser.Parser
+
+	Tag     Tag
+	hasName bool
+	key     string
+}
+
+func (p *tagParser) setTagOption(key, value string) {
+	if !p.hasName {
+		p.hasName = true
+		if key == "" {
+			p.Tag.Name = value
+			return
+		}
+	}
+	if p.Tag.Options == nil {
+		p.Tag.Options = make(map[string]string)
+	}
+	if key == "" {
+		p.Tag.Options[value] = ""
+	} else {
+		p.Tag.Options[key] = value
+	}
+}
+
+func (p *tagParser) parseKey() {
+	p.key = ""
+
+	var b []byte
+	for p.Valid() {
+		c := p.Read()
+		switch c {
+		case ',':
+			p.Skip(' ')
+			p.setTagOption("", string(b))
+			p.parseKey()
+			return
+		case ':':
+			p.key = string(b)
+			p.parseValue()
+			return
+		case '\'':
+			p.parseQuotedValue()
+			return
+		default:
+			b = append(b, c)
+		}
+	}
+
+	if len(b) > 0 {
+		p.setTagOption("", string(b))
+	}
+}
+
+func (p *tagParser) parseValue() {
+	const quote = '\''
+
+	c := p.Peek()
+	if c == quote {
+		p.Skip(quote)
+		p.parseQuotedValue()
+		return
+	}
+
+	var b []byte
+	for p.Valid() {
+		c = p.Read()
+		switch c {
+		case '\\':
+			b = append(b, p.Read())
+		case '(':
+			b = append(b, c)
+			b = p.readBrackets(b)
+		case ',':
+			p.Skip(' ')
+			p.setTagOption(p.key, string(b))
+			p.parseKey()
+			return
+		default:
+			b = append(b, c)
+		}
+	}
+	p.setTagOption(p.key, string(b))
+}
+
+func (p *tagParser) readBrackets(b []byte) []byte {
+	var lvl int
+loop:
+	for p.Valid() {
+		c := p.Read()
+		switch c {
+		case '\\':
+			b = append(b, p.Read())
+		case '(':
+			b = append(b, c)
+			lvl++
+		case ')':
+			b = append(b, c)
+			lvl--
+			if lvl < 0 {
+				break loop
+			}
+		default:
+			b = append(b, c)
+		}
+	}
+	return b
+}
+
+func (p *tagParser) parseQuotedValue() {
+	const quote = '\''
+
+	var b []byte
+	b = append(b, quote)
+
+	for p.Valid() {
+		bb, ok := p.ReadSep(quote)
+		if !ok {
+			b = append(b, bb...)
+			break
+		}
+
+		if len(bb) > 0 && bb[len(bb)-1] == '\\' {
+			b = append(b, bb[:len(bb)-1]...)
+			b = append(b, quote)
+			continue
+		}
+
+		b = append(b, bb...)
+		b = append(b, quote)
+		break
+	}
+
+	p.setTagOption(p.key, string(b))
+	if p.Skip(',') {
+		p.Skip(' ')
+	}
+	p.parseKey()
+}
+
+func Unquote(s string) (string, bool) {
+	const quote = '\''
+
+	if len(s) < 2 {
+		return s, false
+	}
+	if s[0] == quote && s[len(s)-1] == quote {
+		return s[1 : len(s)-1], true
+	}
+	return s, false
+}
diff --git a/vendor/github.com/zclconf/go-cty/cty/convert/conversion_collection.go b/vendor/github.com/zclconf/go-cty/cty/convert/conversion_collection.go
index b33c57b47..2207df9e4 100644
--- a/vendor/github.com/zclconf/go-cty/cty/convert/conversion_collection.go
+++ b/vendor/github.com/zclconf/go-cty/cty/convert/conversion_collection.go
@@ -13,6 +13,14 @@ import (
 // if we're converting from a set into a list of the same element type.)
 func conversionCollectionToList(ety cty.Type, conv conversion) conversion {
 	return func(val cty.Value, path cty.Path) (cty.Value, error) {
+		if !val.Length().IsKnown() {
+			// If the input collection has an unknown length (which is true
+			// for a set containing unknown values) then our result must be
+			// an unknown list, because we can't predict how many elements
+			// the resulting list should have.
+			return cty.UnknownVal(cty.List(val.Type().ElementType())), nil
+		}
+
 		elems := make([]cty.Value, 0, val.LengthInt())
 		i := int64(0)
 		elemPath := append(path.Copy(), nil)
@@ -458,6 +466,16 @@ func conversionMapToObject(mapType cty.Type, objType cty.Type, unsafe bool) conv
 			elems[name.AsString()] = val
 		}
 
+		for name, aty := range objectAtys {
+			if _, exists := elems[name]; !exists {
+				if optional := objType.AttributeOptional(name); optional {
+					elems[name] = cty.NullVal(aty)
+				} else {
+					return cty.NilVal, path.NewErrorf("map has no element for required attribute %q", name)
+				}
+			}
+		}
+
 		return cty.ObjectVal(elems), nil
 	}
 }
diff --git a/vendor/github.com/zclconf/go-cty/cty/convert/conversion_object.go b/vendor/github.com/zclconf/go-cty/cty/convert/conversion_object.go
index 62dabb8d1..098c109bd 100644
--- a/vendor/github.com/zclconf/go-cty/cty/convert/conversion_object.go
+++ b/vendor/github.com/zclconf/go-cty/cty/convert/conversion_object.go
@@ -11,17 +11,29 @@ import (
 // type, meaning that each attribute of the output type has a corresponding
 // attribute in the input type where a recursive conversion is available.
 //
+// If the "out" type has any optional attributes, those attributes may be
+// absent in the "in" type, in which case null values will be used in their
+// place in the result.
+//
 // Shallow object conversions work the same for both safe and unsafe modes,
 // but the safety flag is passed on to recursive conversions and may thus
 // limit the above definition of "subset".
 func conversionObjectToObject(in, out cty.Type, unsafe bool) conversion {
 	inAtys := in.AttributeTypes()
 	outAtys := out.AttributeTypes()
+	outOptionals := out.OptionalAttributes()
 	attrConvs := make(map[string]conversion)
 
 	for name, outAty := range outAtys {
 		inAty, exists := inAtys[name]
 		if !exists {
+			if _, optional := outOptionals[name]; optional {
+				// If it's optional then we'll skip inserting an
+				// attribute conversion and then deal with inserting
+				// the default value in our overall conversion logic
+				// later.
+				continue
+			}
 			// No conversion is available, then.
 			return nil
 		}
@@ -71,6 +83,13 @@ func conversionObjectToObject(in, out cty.Type, unsafe bool) conversion {
 			attrVals[name] = val
 		}
 
+		for name := range outOptionals {
+			if _, exists := attrVals[name]; !exists {
+				wantTy := outAtys[name]
+				attrVals[name] = cty.NullVal(wantTy)
+			}
+		}
+
 		return cty.ObjectVal(attrVals), nil
 	}
 }
diff --git a/vendor/github.com/zclconf/go-cty/cty/convert/mismatch_msg.go b/vendor/github.com/zclconf/go-cty/cty/convert/mismatch_msg.go
index 581304ecd..0bd0cffa1 100644
--- a/vendor/github.com/zclconf/go-cty/cty/convert/mismatch_msg.go
+++ b/vendor/github.com/zclconf/go-cty/cty/convert/mismatch_msg.go
@@ -78,7 +78,9 @@ func mismatchMessageObjects(got, want cty.Type) string {
 	for name, wantAty := range wantAtys {
 		gotAty, exists := gotAtys[name]
 		if !exists {
-			missingAttrs = append(missingAttrs, name)
+			if !want.AttributeOptional(name) {
+				missingAttrs = append(missingAttrs, name)
+			}
 			continue
 		}
 
diff --git a/vendor/github.com/zclconf/go-cty/cty/function/stdlib/collection.go b/vendor/github.com/zclconf/go-cty/cty/function/stdlib/collection.go
index 121985f6c..bef53407d 100644
--- a/vendor/github.com/zclconf/go-cty/cty/function/stdlib/collection.go
+++ b/vendor/github.com/zclconf/go-cty/cty/function/stdlib/collection.go
@@ -138,6 +138,13 @@ var ElementFunc = function.New(&function.Spec{
 	},
 	Type: func(args []cty.Value) (cty.Type, error) {
 		list := args[0]
+		index := args[1]
+		if index.IsKnown() {
+			if index.LessThan(cty.NumberIntVal(0)).True() {
+				return cty.DynamicPseudoType, fmt.Errorf("cannot use element function with a negative index")
+			}
+		}
+
 		listTy := list.Type()
 		switch {
 		case listTy.IsListType():
@@ -173,6 +180,10 @@ var ElementFunc = function.New(&function.Spec{
 			return cty.DynamicVal, fmt.Errorf("invalid index: %s", err)
 		}
 
+		if args[1].LessThan(cty.NumberIntVal(0)).True() {
+			return cty.DynamicVal, fmt.Errorf("cannot use element function with a negative index")
+		}
+
 		if !args[0].IsKnown() {
 			return cty.UnknownVal(retType), nil
 		}
@@ -492,6 +503,11 @@ var FlattenFunc = function.New(&function.Spec{
 // We can flatten lists with unknown values, as long as they are not
 // lists themselves.
 func flattener(flattenList cty.Value) ([]cty.Value, bool) {
+	if !flattenList.Length().IsKnown() {
+		// If we don't know the length of what we're flattening then we can't
+		// predict the length of our result yet either.
+		return nil, false
+	}
 	out := make([]cty.Value, 0)
 	for it := flattenList.ElementIterator(); it.Next(); {
 		_, val := it.Element()
@@ -872,6 +888,10 @@ var SetProductFunc = function.New(&function.Spec{
 
 		total := 1
 		for _, arg := range args {
+			if !arg.Length().IsKnown() {
+				return cty.UnknownVal(retType), nil
+			}
+
 			// Because of our type checking function, we are guaranteed that
 			// all of the arguments are known, non-null values of types that
 			// support LengthInt.
@@ -1019,7 +1039,8 @@ func sliceIndexes(args []cty.Value) (int, int, bool, error) {
 	var startIndex, endIndex, length int
 	var startKnown, endKnown, lengthKnown bool
 
-	if args[0].Type().IsTupleType() || args[0].IsKnown() { // if it's a tuple then we always know the length by the type, but lists must be known
+	// If it's a tuple then we always know the length by the type, but collections might be unknown or have unknown length
+	if args[0].Type().IsTupleType() || args[0].Length().IsKnown() {
 		length = args[0].LengthInt()
 		lengthKnown = true
 	}
diff --git a/vendor/github.com/zclconf/go-cty/cty/function/stdlib/format.go b/vendor/github.com/zclconf/go-cty/cty/function/stdlib/format.go
index 1e4af1395..b95c347f5 100644
--- a/vendor/github.com/zclconf/go-cty/cty/function/stdlib/format.go
+++ b/vendor/github.com/zclconf/go-cty/cty/function/stdlib/format.go
@@ -85,7 +85,7 @@ var FormatListFunc = function.New(&function.Spec{
 			argTy := arg.Type()
 			switch {
 			case (argTy.IsListType() || argTy.IsSetType() || argTy.IsTupleType()) && !arg.IsNull():
-				if !argTy.IsTupleType() && !arg.IsKnown() {
+				if !argTy.IsTupleType() && !(arg.IsKnown() && arg.Length().IsKnown()) {
 					// We can't iterate this one at all yet then, so we can't
 					// yet produce a result.
 					unknowns[i] = true
diff --git a/vendor/github.com/zclconf/go-cty/cty/function/stdlib/set.go b/vendor/github.com/zclconf/go-cty/cty/function/stdlib/set.go
index 37eab999a..29c425eaf 100644
--- a/vendor/github.com/zclconf/go-cty/cty/function/stdlib/set.go
+++ b/vendor/github.com/zclconf/go-cty/cty/function/stdlib/set.go
@@ -44,7 +44,7 @@ var SetUnionFunc = function.New(&function.Spec{
 	Type: setOperationReturnType,
 	Impl: setOperationImpl(func(s1, s2 cty.ValueSet) cty.ValueSet {
 		return s1.Union(s2)
-	}),
+	}, true),
 })
 
 var SetIntersectionFunc = function.New(&function.Spec{
@@ -63,7 +63,7 @@ var SetIntersectionFunc = function.New(&function.Spec{
 	Type: setOperationReturnType,
 	Impl: setOperationImpl(func(s1, s2 cty.ValueSet) cty.ValueSet {
 		return s1.Intersection(s2)
-	}),
+	}, false),
 })
 
 var SetSubtractFunc = function.New(&function.Spec{
@@ -82,7 +82,7 @@ var SetSubtractFunc = function.New(&function.Spec{
 	Type: setOperationReturnType,
 	Impl: setOperationImpl(func(s1, s2 cty.ValueSet) cty.ValueSet {
 		return s1.Subtract(s2)
-	}),
+	}, false),
 })
 
 var SetSymmetricDifferenceFunc = function.New(&function.Spec{
@@ -100,8 +100,8 @@ var SetSymmetricDifferenceFunc = function.New(&function.Spec{
 	},
 	Type: setOperationReturnType,
 	Impl: setOperationImpl(func(s1, s2 cty.ValueSet) cty.ValueSet {
-		return s1.Subtract(s2)
-	}),
+		return s1.SymmetricDifference(s2)
+	}, false),
 })
 
 // SetHasElement determines whether the given set contains the given value as an
@@ -187,13 +187,21 @@ func setOperationReturnType(args []cty.Value) (ret cty.Type, err error) {
 	return cty.Set(newEty), nil
 }
 
-func setOperationImpl(f func(s1, s2 cty.ValueSet) cty.ValueSet) function.ImplFunc {
+func setOperationImpl(f func(s1, s2 cty.ValueSet) cty.ValueSet, allowUnknowns bool) function.ImplFunc {
 	return func(args []cty.Value, retType cty.Type) (ret cty.Value, err error) {
 		first := args[0]
 		first, err = convert.Convert(first, retType)
 		if err != nil {
 			return cty.NilVal, function.NewArgError(0, err)
 		}
+		if !allowUnknowns && !first.IsWhollyKnown() {
+			// This set function can produce a correct result only when all
+			// elements are known, because eventually knowing the unknown
+			// values may cause the result to have fewer known elements, or
+			// might cause a result with no unknown elements at all to become
+			// one with a different length.
+			return cty.UnknownVal(retType), nil
+		}
 
 		set := first.AsValueSet()
 		for i, arg := range args[1:] {
@@ -201,6 +209,10 @@ func setOperationImpl(f func(s1, s2 cty.ValueSet) cty.ValueSet) function.ImplFun
 			if err != nil {
 				return cty.NilVal, function.NewArgError(i+1, err)
 			}
+			if !allowUnknowns && !arg.IsWhollyKnown() {
+				// (For the same reason as we did this check for "first" above.)
+				return cty.UnknownVal(retType), nil
+			}
 
 			argSet := arg.AsValueSet()
 			set = f(set, argSet)
diff --git a/vendor/github.com/zclconf/go-cty/cty/json.go b/vendor/github.com/zclconf/go-cty/cty/json.go
index c421a62ed..2222e0f80 100644
--- a/vendor/github.com/zclconf/go-cty/cty/json.go
+++ b/vendor/github.com/zclconf/go-cty/cty/json.go
@@ -4,6 +4,7 @@ import (
 	"bytes"
 	"encoding/json"
 	"fmt"
+	"sort"
 )
 
 // MarshalJSON is an implementation of json.Marshaler that allows Type
@@ -52,6 +53,19 @@ func (t Type) MarshalJSON() ([]byte, error) {
 		}
 		buf.WriteString(`["object",`)
 		buf.Write(atysJSON)
+		if optionals := t.OptionalAttributes(); len(optionals) > 0 {
+			buf.WriteByte(',')
+			optionalNames := make([]string, 0, len(optionals))
+			for k := range optionals {
+				optionalNames = append(optionalNames, k)
+			}
+			sort.Strings(optionalNames)
+			optionalsJSON, err := json.Marshal(optionalNames)
+			if err != nil {
+				return nil, err
+			}
+			buf.Write(optionalsJSON)
+		}
 		buf.WriteRune(']')
 		return buf.Bytes(), nil
 	case typeTuple:
@@ -148,7 +162,16 @@ func (t *Type) UnmarshalJSON(buf []byte) error {
 			if err != nil {
 				return err
 			}
-			*t = Object(atys)
+			if dec.More() {
+				var optionals []string
+				err = dec.Decode(&optionals)
+				if err != nil {
+					return err
+				}
+				*t = ObjectWithOptionalAttrs(atys, optionals)
+			} else {
+				*t = Object(atys)
+			}
 		case "tuple":
 			var etys []Type
 			err = dec.Decode(&etys)
diff --git a/vendor/github.com/zclconf/go-cty/cty/msgpack/dynamic.go b/vendor/github.com/zclconf/go-cty/cty/msgpack/dynamic.go
index 1b631d0a1..9a4e94c27 100644
--- a/vendor/github.com/zclconf/go-cty/cty/msgpack/dynamic.go
+++ b/vendor/github.com/zclconf/go-cty/cty/msgpack/dynamic.go
@@ -3,7 +3,7 @@ package msgpack
 import (
 	"bytes"
 
-	"github.com/vmihailenco/msgpack"
+	"github.com/vmihailenco/msgpack/v4"
 	"github.com/zclconf/go-cty/cty"
 )
 
diff --git a/vendor/github.com/zclconf/go-cty/cty/msgpack/marshal.go b/vendor/github.com/zclconf/go-cty/cty/msgpack/marshal.go
index 51c75aa8d..cc351f0f1 100644
--- a/vendor/github.com/zclconf/go-cty/cty/msgpack/marshal.go
+++ b/vendor/github.com/zclconf/go-cty/cty/msgpack/marshal.go
@@ -5,7 +5,7 @@ import (
 	"math/big"
 	"sort"
 
-	"github.com/vmihailenco/msgpack"
+	"github.com/vmihailenco/msgpack/v4"
 	"github.com/zclconf/go-cty/cty"
 	"github.com/zclconf/go-cty/cty/convert"
 )
@@ -31,6 +31,7 @@ func Marshal(val cty.Value, ty cty.Type) ([]byte, error) {
 	var path cty.Path
 	var buf bytes.Buffer
 	enc := msgpack.NewEncoder(&buf)
+	enc.UseCompactEncoding(true)
 
 	err := marshal(val, ty, path, enc)
 	if err != nil {
diff --git a/vendor/github.com/zclconf/go-cty/cty/msgpack/type_implied.go b/vendor/github.com/zclconf/go-cty/cty/msgpack/type_implied.go
index 6f6022e4d..a169f28f8 100644
--- a/vendor/github.com/zclconf/go-cty/cty/msgpack/type_implied.go
+++ b/vendor/github.com/zclconf/go-cty/cty/msgpack/type_implied.go
@@ -5,8 +5,8 @@ import (
 	"fmt"
 	"io"
 
-	"github.com/vmihailenco/msgpack"
-	msgpackcodes "github.com/vmihailenco/msgpack/codes"
+	"github.com/vmihailenco/msgpack/v4"
+	msgpackcodes "github.com/vmihailenco/msgpack/v4/codes"
 	"github.com/zclconf/go-cty/cty"
 )
 
diff --git a/vendor/github.com/zclconf/go-cty/cty/msgpack/unmarshal.go b/vendor/github.com/zclconf/go-cty/cty/msgpack/unmarshal.go
index 51bb76a8a..1ea0b0a2e 100644
--- a/vendor/github.com/zclconf/go-cty/cty/msgpack/unmarshal.go
+++ b/vendor/github.com/zclconf/go-cty/cty/msgpack/unmarshal.go
@@ -3,8 +3,8 @@ package msgpack
 import (
 	"bytes"
 
-	"github.com/vmihailenco/msgpack"
-	msgpackCodes "github.com/vmihailenco/msgpack/codes"
+	"github.com/vmihailenco/msgpack/v4"
+	msgpackCodes "github.com/vmihailenco/msgpack/v4/codes"
 	"github.com/zclconf/go-cty/cty"
 )
 
diff --git a/vendor/github.com/zclconf/go-cty/cty/object_type.go b/vendor/github.com/zclconf/go-cty/cty/object_type.go
index 187d38751..0c67d4ecd 100644
--- a/vendor/github.com/zclconf/go-cty/cty/object_type.go
+++ b/vendor/github.com/zclconf/go-cty/cty/object_type.go
@@ -2,11 +2,13 @@ package cty
 
 import (
 	"fmt"
+	"sort"
 )
 
 type typeObject struct {
 	typeImplSigil
-	AttrTypes map[string]Type
+	AttrTypes    map[string]Type
+	AttrOptional map[string]struct{}
 }
 
 // Object creates an object type with the given attribute types.
@@ -14,14 +16,52 @@ type typeObject struct {
 // After a map is passed to this function the caller must no longer access it,
 // since ownership is transferred to this library.
 func Object(attrTypes map[string]Type) Type {
+	return ObjectWithOptionalAttrs(attrTypes, nil)
+}
+
+// ObjectWithOptionalAttrs creates an object type where some of its attributes
+// are optional.
+//
+// This function is EXPERIMENTAL. The behavior of the function or of any other
+// functions working either directly or indirectly with a type created by
+// this function is not currently considered as a compatibility constraint, and
+// is subject to change even in minor-version releases of this module. Other
+// modules that work with cty types and values may or may not support object
+// types with optional attributes; if they do not, their behavior when
+// receiving one may be non-ideal.
+//
+// Optional attributes are significant only when an object type is being used
+// as a target type for conversion in the "convert" package. A value of an
+// object type always has a value for each of the attributes in the attribute
+// types table, with optional values replaced with null during conversion.
+//
+// All keys in the optional slice must also exist in the attrTypes map. If not,
+// this function will panic.
+//
+// After a map or array is passed to this function the caller must no longer
+// access it, since ownership is transferred to this library.
+func ObjectWithOptionalAttrs(attrTypes map[string]Type, optional []string) Type {
 	attrTypesNorm := make(map[string]Type, len(attrTypes))
 	for k, v := range attrTypes {
 		attrTypesNorm[NormalizeString(k)] = v
 	}
 
+	var optionalSet map[string]struct{}
+	if len(optional) > 0 {
+		optionalSet = make(map[string]struct{}, len(optional))
+		for _, k := range optional {
+			k = NormalizeString(k)
+			if _, exists := attrTypesNorm[k]; !exists {
+				panic(fmt.Sprintf("optional contains undeclared attribute %q", k))
+			}
+			optionalSet[k] = struct{}{}
+		}
+	}
+
 	return Type{
 		typeObject{
-			AttrTypes: attrTypesNorm,
+			AttrTypes:    attrTypesNorm,
+			AttrOptional: optionalSet,
 		},
 	}
 }
@@ -44,6 +84,11 @@ func (t typeObject) Equals(other Type) bool {
 			if !oty.Equals(ty) {
 				return false
 			}
+			_, opt := t.AttrOptional[attr]
+			_, oopt := ot.AttrOptional[attr]
+			if opt != oopt {
+				return false
+			}
 		}
 
 		return true
@@ -66,6 +111,14 @@ func (t typeObject) GoString() string {
 	if len(t.AttrTypes) == 0 {
 		return "cty.EmptyObject"
 	}
+	if len(t.AttrOptional) > 0 {
+		opt := make([]string, len(t.AttrOptional))
+		for k := range t.AttrOptional {
+			opt = append(opt, k)
+		}
+		sort.Strings(opt)
+		return fmt.Sprintf("cty.ObjectWithOptionalAttrs(%#v, %#v)", t.AttrTypes, opt)
+	}
 	return fmt.Sprintf("cty.Object(%#v)", t.AttrTypes)
 }
 
@@ -133,3 +186,35 @@ func (t Type) AttributeTypes() map[string]Type {
 	}
 	panic("AttributeTypes on non-object Type")
 }
+
+// OptionalAttributes returns a map representing the set of attributes
+// that are optional. Will panic if the receiver is not an object type
+// (use IsObjectType to confirm).
+//
+// The returned map is part of the internal state of the type, and is provided
+// for read access only. It is forbidden for any caller to modify the returned
+// map.
+func (t Type) OptionalAttributes() map[string]struct{} {
+	if ot, ok := t.typeImpl.(typeObject); ok {
+		return ot.AttrOptional
+	}
+	panic("OptionalAttributes on non-object Type")
+}
+
+// AttributeOptional returns true if the attribute of the given name is
+// optional.
+//
+// Will panic if the receiver is not an object type (use IsObjectType to
+// confirm) or if the object type has no such attribute (use HasAttribute to
+// confirm).
+func (t Type) AttributeOptional(name string) bool {
+	name = NormalizeString(name)
+	if ot, ok := t.typeImpl.(typeObject); ok {
+		if _, hasAttr := ot.AttrTypes[name]; !hasAttr {
+			panic("no such attribute")
+		}
+		_, exists := ot.AttrOptional[name]
+		return exists
+	}
+	panic("AttributeDefaultValue on non-object Type")
+}
diff --git a/vendor/github.com/zclconf/go-cty/cty/unknown.go b/vendor/github.com/zclconf/go-cty/cty/unknown.go
index e54179eb1..83893c023 100644
--- a/vendor/github.com/zclconf/go-cty/cty/unknown.go
+++ b/vendor/github.com/zclconf/go-cty/cty/unknown.go
@@ -5,7 +5,8 @@ package cty
 type unknownType struct {
 }
 
-// Unknown is a special value that can be
+// unknown is a special value that can be used as the internal value of a
+// Value to create a placeholder for a value that isn't yet known.
 var unknown interface{} = &unknownType{}
 
 // UnknownVal returns an Value that represents an unknown value of the given
diff --git a/vendor/github.com/zclconf/go-cty/cty/value_ops.go b/vendor/github.com/zclconf/go-cty/cty/value_ops.go
index 966b999c7..348fd227c 100644
--- a/vendor/github.com/zclconf/go-cty/cty/value_ops.go
+++ b/vendor/github.com/zclconf/go-cty/cty/value_ops.go
@@ -3,7 +3,6 @@ package cty
 import (
 	"fmt"
 	"math/big"
-	"reflect"
 
 	"github.com/zclconf/go-cty/cty/set"
 )
@@ -270,24 +269,26 @@ func (val Value) Equals(other Value) Value {
 		s2 := other.v.(set.Set)
 		equal := true
 
-		// Note that by our definition of sets it's never possible for two
-		// sets that contain unknown values (directly or indicrectly) to
-		// ever be equal, even if they are otherwise identical.
-
-		// FIXME: iterating both lists and checking each item is not the
-		// ideal implementation here, but it works with the primitives we
-		// have in the set implementation. Perhaps the set implementation
-		// can provide its own equality test later.
-		s1.EachValue(func(v interface{}) {
-			if !s2.Has(v) {
+		// Two sets are equal if all of their values are known and all values
+		// in one are also in the other.
+		for it := s1.Iterator(); it.Next(); {
+			rv := it.Value()
+			if rv == unknown { // "unknown" is the internal representation of unknown-ness
+				return UnknownVal(Bool)
+			}
+			if !s2.Has(rv) {
 				equal = false
 			}
-		})
-		s2.EachValue(func(v interface{}) {
-			if !s1.Has(v) {
+		}
+		for it := s2.Iterator(); it.Next(); {
+			rv := it.Value()
+			if rv == unknown { // "unknown" is the internal representation of unknown-ness
+				return UnknownVal(Bool)
+			}
+			if !s1.Has(rv) {
 				equal = false
 			}
-		})
+		}
 
 		result = equal
 	case ty.IsMapType():
@@ -462,17 +463,32 @@ func (val Value) RawEquals(other Value) bool {
 			return true
 		}
 		return false
-	case ty.IsSetType():
-		s1 := val.v.(set.Set)
-		s2 := other.v.(set.Set)
 
-		// Since we're intentionally ignoring our rule that two unknowns
-		// are never equal, we can cheat here.
-		// (This isn't 100% right since e.g. it will fail if the set contains
-		// numbers that are infinite, which DeepEqual can't compare properly.
-		// We're accepting that limitation for simplicity here, since this
-		// function is here primarily for testing.)
-		return reflect.DeepEqual(s1, s2)
+	case ty.IsSetType():
+		// Convert the set values into a slice so that we can compare each
+		// value. This is safe because the underlying sets are ordered (see
+		// setRules in set_internals.go), and so the results are guaranteed to
+		// be in a consistent order for two equal sets
+		setList1 := val.AsValueSlice()
+		setList2 := other.AsValueSlice()
+
+		// If both physical sets have the same length and they have all of their
+		// _known_ values in common, we know that both sets also have the same
+		// number of unknown values.
+		if len(setList1) != len(setList2) {
+			return false
+		}
+
+		for i := range setList1 {
+			eq := setList1[i].RawEquals(setList2[i])
+			if !eq {
+				return false
+			}
+		}
+
+		// If we got here without returning false already then our sets are
+		// equal enough for RawEquals purposes.
+		return true
 
 	case ty.IsMapType():
 		ety := ty.typeImpl.(typeMap).ElementTypeT
@@ -955,8 +971,7 @@ func (val Value) HasElement(elem Value) Value {
 // If the receiver is null then this function will panic.
 //
 // Note that Length is not supported for strings. To determine the length
-// of a string, call AsString and take the length of the native Go string
-// that is returned.
+// of a string, use the Length function in funcs/stdlib.
 func (val Value) Length() Value {
 	if val.IsMarked() {
 		val, valMarks := val.Unmark()
@@ -971,6 +986,25 @@ func (val Value) Length() Value {
 	if !val.IsKnown() {
 		return UnknownVal(Number)
 	}
+	if val.Type().IsSetType() {
+		// The Length rules are a little different for sets because if any
+		// unknown values are present then the values they are standing in for
+		// may or may not be equal to other elements in the set, and thus they
+		// may or may not coalesce with other elements and produce fewer
+		// items in the resulting set.
+		storeLength := int64(val.v.(set.Set).Length())
+		if storeLength == 1 || val.IsWhollyKnown() {
+			// If our set is wholly known then we know its length.
+			//
+			// We also know the length if the physical store has only one
+			// element, even if that element is unknown, because there's
+			// nothing else in the set for it to coalesce with and a single
+			// unknown value cannot represent more than one known value.
+			return NumberIntVal(storeLength)
+		}
+		// Otherwise, we cannot predict the length.
+		return UnknownVal(Number)
+	}
 
 	return NumberIntVal(int64(val.LengthInt()))
 }
@@ -980,6 +1014,13 @@ func (val Value) Length() Value {
 //
 // This is an integration method provided for the convenience of code bridging
 // into Go's type system.
+//
+// For backward compatibility with an earlier implementation error, LengthInt's
+// result can disagree with Length's result for any set containing unknown
+// values. Length can potentially indicate the set's length is unknown in that
+// case, whereas LengthInt will return the maximum possible length as if the
+// unknown values were each a placeholder for a value not equal to any other
+// value in the set.
 func (val Value) LengthInt() int {
 	val.assertUnmarked()
 	if val.Type().IsTupleType() {
@@ -1003,6 +1044,15 @@ func (val Value) LengthInt() int {
 		return len(val.v.([]interface{}))
 
 	case val.ty.IsSetType():
+		// NOTE: This is technically not correct in cases where the set
+		// contains unknown values, because in that case we can't know how
+		// many known values those unknown values are standing in for -- they
+		// might coalesce with other values once known.
+		//
+		// However, this incorrect behavior is preserved for backward
+		// compatibility with callers that were relying on LengthInt rather
+		// than calling Length. Instead of panicking when a set contains an
+		// unknown value, LengthInt returns the largest possible length.
 		return val.v.(set.Set).Length()
 
 	case val.ty.IsMapType():
diff --git a/vendor/google.golang.org/appengine/go.mod b/vendor/google.golang.org/appengine/go.mod
index 451592798..635c34f5a 100644
--- a/vendor/google.golang.org/appengine/go.mod
+++ b/vendor/google.golang.org/appengine/go.mod
@@ -1,10 +1,9 @@
 module google.golang.org/appengine
 
+go 1.11
+
 require (
 	github.com/golang/protobuf v1.3.1
-	golang.org/x/crypto v0.0.0-20190605123033-f99c8df09eb5 // indirect
 	golang.org/x/net v0.0.0-20190603091049-60506f45cf65
-	golang.org/x/sys v0.0.0-20190606165138-5da285871e9c // indirect
 	golang.org/x/text v0.3.2
-	golang.org/x/tools v0.0.0-20190606124116-d0a3d012864b // indirect
 )
diff --git a/vendor/google.golang.org/appengine/go.sum b/vendor/google.golang.org/appengine/go.sum
index cb3232556..ce22f6856 100644
--- a/vendor/google.golang.org/appengine/go.sum
+++ b/vendor/google.golang.org/appengine/go.sum
@@ -1,22 +1,11 @@
-github.com/golang/protobuf v1.2.0 h1:P3YflyNX/ehuJFLhxviNdFxQPkGK5cDcApsge1SqnvM=
-github.com/golang/protobuf v1.2.0/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
 github.com/golang/protobuf v1.3.1 h1:YF8+flBXS5eO826T4nzqPrxfhQThhXl0YzfuUPu4SBg=
 github.com/golang/protobuf v1.3.1/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
-golang.org/x/crypto v0.0.0-20190605123033-f99c8df09eb5/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
-golang.org/x/net v0.0.0-20180724234803-3673e40ba225 h1:kNX+jCowfMYzvlSvJu5pQWEmyWFrBXJ3PBy10xKMXK8=
-golang.org/x/net v0.0.0-20180724234803-3673e40ba225/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
-golang.org/x/net v0.0.0-20190311183353-d8887717615a/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
-golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
 golang.org/x/net v0.0.0-20190603091049-60506f45cf65 h1:+rhAzEzT3f4JtomfC371qB+0Ola2caSKcY69NUBZrRQ=
 golang.org/x/net v0.0.0-20190603091049-60506f45cf65/go.mod h1:HSz+uSET+XFnRR8LxR5pz3Of3rY3CfYBVs4xY44aLks=
-golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
-golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20190606165138-5da285871e9c/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/text v0.3.0 h1:g61tztE5qeGQ89tm6NTjjM9VPIm088od1l6aSorWRWg=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.2 h1:tW2bmiBqwgJj/UpqtC8EpXEZVYOwU0yG4iWbprSVAcs=
 golang.org/x/text v0.3.2/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk=
 golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
-golang.org/x/tools v0.0.0-20190606124116-d0a3d012864b/go.mod h1:/rFqwRUd4F7ZHNgwSSTFct+R/Kf4OFW1sUzUTQQTgfc=
diff --git a/vendor/google.golang.org/appengine/internal/net.go b/vendor/google.golang.org/appengine/internal/net.go
index 3b94cf0c6..fe429720e 100644
--- a/vendor/google.golang.org/appengine/internal/net.go
+++ b/vendor/google.golang.org/appengine/internal/net.go
@@ -32,7 +32,7 @@ func limitDial(network, addr string) (net.Conn, error) {
 
 	// Dial with a timeout in case the API host is MIA.
 	// The connection should normally be very fast.
-	conn, err := net.DialTimeout(network, addr, 500*time.Millisecond)
+	conn, err := net.DialTimeout(network, addr, 10*time.Second)
 	if err != nil {
 		limitRelease()
 		return nil, err
diff --git a/vendor/modules.txt b/vendor/modules.txt
index 75d559f28..7d8599b9c 100644
--- a/vendor/modules.txt
+++ b/vendor/modules.txt
@@ -590,10 +590,13 @@ github.com/ulikunitz/xz
 github.com/ulikunitz/xz/internal/hash
 github.com/ulikunitz/xz/internal/xlog
 github.com/ulikunitz/xz/lzma
-# github.com/vmihailenco/msgpack v4.0.1+incompatible
-## explicit
-github.com/vmihailenco/msgpack
-github.com/vmihailenco/msgpack/codes
+# github.com/vmihailenco/msgpack/v4 v4.3.12
+github.com/vmihailenco/msgpack/v4
+github.com/vmihailenco/msgpack/v4/codes
+# github.com/vmihailenco/tagparser v0.1.1
+github.com/vmihailenco/tagparser
+github.com/vmihailenco/tagparser/internal
+github.com/vmihailenco/tagparser/internal/parser
 # github.com/xanzy/ssh-agent v0.2.1
 ## explicit
 github.com/xanzy/ssh-agent
@@ -602,7 +605,7 @@ github.com/xanzy/ssh-agent
 # github.com/xlab/treeprint v0.0.0-20161029104018-1d6e34225557
 ## explicit
 github.com/xlab/treeprint
-# github.com/zclconf/go-cty v1.5.1
+# github.com/zclconf/go-cty v1.6.1
 ## explicit
 github.com/zclconf/go-cty/cty
 github.com/zclconf/go-cty/cty/convert
@@ -739,7 +742,7 @@ google.golang.org/api/option
 google.golang.org/api/storage/v1
 google.golang.org/api/transport/http
 google.golang.org/api/transport/http/internal/propagation
-# google.golang.org/appengine v1.6.1
+# google.golang.org/appengine v1.6.5
 google.golang.org/appengine
 google.golang.org/appengine/datastore
 google.golang.org/appengine/datastore/internal/cloudkey