Update imports

- Sirupsen/logrus was renamed
- satori/go.uuid is deprecated

Signed-off-by: Knut Ahlers <knut@ahlers.me>

Gopkg.lock

@@ -18,12 +18,12 @@
   version = "v2.1.0"
 
 [[projects]]
-  digest = "1:b2339e83ce9b5c4f79405f949429a7f68a9a904fed903c672aac1e7ceb7f5f02"
-  name = "github.com/Sirupsen/logrus"
+  digest = "1:100f874677364387717ee2becf81bede9b2475634958a54accac40a2b8866773"
+  name = "github.com/gofrs/uuid"
   packages = ["."]
   pruneopts = "NUT"
-  revision = "3e01752db0189b9157070a0e1668a620f9a85da2"
-  version = "v1.0.6"
+  revision = "370558f003bfe29580cd0f698d8640daccdcc45c"
+  version = "v3.1.1"
 
 [[projects]]
   digest = "1:c01767916c59f084bb7c41a7d5877c0f3099b1595cfa066e84ec6ad6b084dd89"
@@ -42,12 +42,12 @@
   version = "v1.6.2"
 
 [[projects]]
-  digest = "1:6bc0652ea6e39e22ccd522458b8bdd8665bf23bdc5a20eec90056e4dc7e273ca"
-  name = "github.com/satori/go.uuid"
+  digest = "1:b2339e83ce9b5c4f79405f949429a7f68a9a904fed903c672aac1e7ceb7f5f02"
+  name = "github.com/sirupsen/logrus"
   packages = ["."]
   pruneopts = "NUT"
-  revision = "f58768cc1a7a7e77a3bd49e98cdd21419399b6a3"
-  version = "v1.2.0"
+  revision = "3e01752db0189b9157070a0e1668a620f9a85da2"
+  version = "v1.0.6"
 
 [[projects]]
   digest = "1:e3707aeaccd2adc89eba6c062fec72116fe1fc1ba71097da85b4d8ae1668a675"
@@ -98,9 +98,9 @@
   input-imports = [
     "github.com/Luzifer/go_helpers/str",
     "github.com/Luzifer/rconfig",
-    "github.com/Sirupsen/logrus",
+    "github.com/gofrs/uuid",
     "github.com/gorilla/mux",
-    "github.com/satori/go.uuid",
+    "github.com/sirupsen/logrus",
   ]
   solver-name = "gps-cdcl"
   solver-version = 1

Gopkg.toml

@@ -34,16 +34,16 @@
   version = "2.1.0"
 
 [[constraint]]
-  name = "github.com/Sirupsen/logrus"
-  version = "1.0.6"
+  name = "github.com/gofrs/uuid"
+  version = "3.1.1"
 
 [[constraint]]
   name = "github.com/gorilla/mux"
   version = "1.6.2"
 
 [[constraint]]
-  name = "github.com/satori/go.uuid"
-  version = "1.2.0"
+  name = "github.com/sirupsen/logrus"
+  version = "1.0.6"
 
 [prune]
   non-go = true

assets.go

@@ -11,7 +11,8 @@ import (
 	"strings"
 
 	"github.com/Luzifer/go_helpers/str"
-	uuid "github.com/satori/go.uuid"
+
+	"github.com/gofrs/uuid"
 )
 
 func shouldPackFile(extension string) bool {

main.go

@@ -14,9 +14,10 @@ import (
 	"time"
 
 	"github.com/Luzifer/rconfig"
-	log "github.com/Sirupsen/logrus"
+
+	"github.com/gofrs/uuid"
 	"github.com/gorilla/mux"
-	uuid "github.com/satori/go.uuid"
+	log "github.com/sirupsen/logrus"
 )
 
 var (
@@ -129,7 +130,7 @@ func apiDocs(res http.ResponseWriter, r *http.Request) {
 }
 
 func startNewJob(res http.ResponseWriter, r *http.Request) {
-	jobUUID := uuid.NewV4()
+	jobUUID := uuid.Must(uuid.NewV4())
 	inputFile := pathFromUUID(jobUUID, filenameInput)
 	statusFile := pathFromUUID(jobUUID, filenameStatus)
 

vendor/github.com/gofrs/uuid/codec.go

@@ -27,15 +27,16 @@ import (
 	"fmt"
 )
 
-// FromBytes returns UUID converted from raw byte slice input.
-// It will return error if the slice isn't 16 bytes long.
-func FromBytes(input []byte) (u UUID, err error) {
-	err = u.UnmarshalBinary(input)
-	return
+// FromBytes returns a UUID generated from the raw byte slice input.
+// It will return an error if the slice isn't 16 bytes long.
+func FromBytes(input []byte) (UUID, error) {
+	u := UUID{}
+	err := u.UnmarshalBinary(input)
+	return u, err
 }
 
-// FromBytesOrNil returns UUID converted from raw byte slice input.
-// Same behavior as FromBytes, but returns a Nil UUID on error.
+// FromBytesOrNil returns a UUID generated from the raw byte slice input.
+// Same behavior as FromBytes(), but returns uuid.Nil instead of an error.
 func FromBytesOrNil(input []byte) UUID {
 	uuid, err := FromBytes(input)
 	if err != nil {
@@ -44,15 +45,16 @@ func FromBytesOrNil(input []byte) UUID {
 	return uuid
 }
 
-// FromString returns UUID parsed from string input.
+// FromString returns a UUID parsed from the input string.
 // Input is expected in a form accepted by UnmarshalText.
-func FromString(input string) (u UUID, err error) {
-	err = u.UnmarshalText([]byte(input))
-	return
+func FromString(input string) (UUID, error) {
+	u := UUID{}
+	err := u.UnmarshalText([]byte(input))
+	return u, err
 }
 
-// FromStringOrNil returns UUID parsed from string input.
-// Same behavior as FromString, but returns a Nil UUID on error.
+// FromStringOrNil returns a UUID parsed from the input string.
+// Same behavior as FromString(), but returns uuid.Nil instead of an error.
 func FromStringOrNil(input string) UUID {
 	uuid, err := FromString(input)
 	if err != nil {
@@ -62,55 +64,63 @@ func FromStringOrNil(input string) UUID {
 }
 
 // MarshalText implements the encoding.TextMarshaler interface.
-// The encoding is the same as returned by String.
-func (u UUID) MarshalText() (text []byte, err error) {
-	text = []byte(u.String())
-	return
+// The encoding is the same as returned by the String() method.
+func (u UUID) MarshalText() ([]byte, error) {
+	return []byte(u.String()), nil
 }
 
 // UnmarshalText implements the encoding.TextUnmarshaler interface.
 // Following formats are supported:
+//
 //   "6ba7b810-9dad-11d1-80b4-00c04fd430c8",
 //   "{6ba7b810-9dad-11d1-80b4-00c04fd430c8}",
 //   "urn:uuid:6ba7b810-9dad-11d1-80b4-00c04fd430c8"
 //   "6ba7b8109dad11d180b400c04fd430c8"
+//   "{6ba7b8109dad11d180b400c04fd430c8}",
+//   "urn:uuid:6ba7b8109dad11d180b400c04fd430c8"
+//
 // ABNF for supported UUID text representation follows:
-//   uuid := canonical | hashlike | braced | urn
-//   plain := canonical | hashlike
-//   canonical := 4hexoct '-' 2hexoct '-' 2hexoct '-' 6hexoct
-//   hashlike := 12hexoct
-//   braced := '{' plain '}'
-//   urn := URN ':' UUID-NID ':' plain
+//
 //   URN := 'urn'
 //   UUID-NID := 'uuid'
-//   12hexoct := 6hexoct 6hexoct
-//   6hexoct := 4hexoct 2hexoct
-//   4hexoct := 2hexoct 2hexoct
-//   2hexoct := hexoct hexoct
-//   hexoct := hexdig hexdig
+//
 //   hexdig := '0' | '1' | '2' | '3' | '4' | '5' | '6' | '7' | '8' | '9' |
 //             'a' | 'b' | 'c' | 'd' | 'e' | 'f' |
 //             'A' | 'B' | 'C' | 'D' | 'E' | 'F'
-func (u *UUID) UnmarshalText(text []byte) (err error) {
+//
+//   hexoct := hexdig hexdig
+//   2hexoct := hexoct hexoct
+//   4hexoct := 2hexoct 2hexoct
+//   6hexoct := 4hexoct 2hexoct
+//   12hexoct := 6hexoct 6hexoct
+//
+//   hashlike := 12hexoct
+//   canonical := 4hexoct '-' 2hexoct '-' 2hexoct '-' 6hexoct
+//
+//   plain := canonical | hashlike
+//   uuid := canonical | hashlike | braced | urn
+//
+//   braced := '{' plain '}' | '{' hashlike  '}'
+//   urn := URN ':' UUID-NID ':' plain
+//
+func (u *UUID) UnmarshalText(text []byte) error {
 	switch len(text) {
 	case 32:
 		return u.decodeHashLike(text)
+	case 34, 38:
+		return u.decodeBraced(text)
 	case 36:
 		return u.decodeCanonical(text)
-	case 38:
-		return u.decodeBraced(text)
-	case 41:
-		fallthrough
-	case 45:
+	case 41, 45:
 		return u.decodeURN(text)
 	default:
 		return fmt.Errorf("uuid: incorrect UUID length: %s", text)
 	}
 }
 
-// decodeCanonical decodes UUID string in format
+// decodeCanonical decodes UUID strings that are formatted as defined in RFC-4122 (section 3):
 // "6ba7b810-9dad-11d1-80b4-00c04fd430c8".
-func (u *UUID) decodeCanonical(t []byte) (err error) {
+func (u *UUID) decodeCanonical(t []byte) error {
 	if t[8] != '-' || t[13] != '-' || t[18] != '-' || t[23] != '-' {
 		return fmt.Errorf("uuid: incorrect UUID format %s", t)
 	}
@@ -122,33 +132,33 @@ func (u *UUID) decodeCanonical(t []byte) (err error) {
 		if i > 0 {
 			src = src[1:] // skip dash
 		}
-		_, err = hex.Decode(dst[:byteGroup/2], src[:byteGroup])
+		_, err := hex.Decode(dst[:byteGroup/2], src[:byteGroup])
 		if err != nil {
-			return
+			return err
 		}
 		src = src[byteGroup:]
 		dst = dst[byteGroup/2:]
 	}
 
-	return
+	return nil
 }
 
-// decodeHashLike decodes UUID string in format
-// "6ba7b8109dad11d180b400c04fd430c8".
-func (u *UUID) decodeHashLike(t []byte) (err error) {
+// decodeHashLike decodes UUID strings that are using the following format:
+//  "6ba7b8109dad11d180b400c04fd430c8".
+func (u *UUID) decodeHashLike(t []byte) error {
 	src := t[:]
 	dst := u[:]
 
-	if _, err = hex.Decode(dst, src); err != nil {
+	if _, err := hex.Decode(dst, src); err != nil {
 		return err
 	}
-	return
+	return nil
 }
 
-// decodeBraced decodes UUID string in format
-// "{6ba7b810-9dad-11d1-80b4-00c04fd430c8}" or in format
-// "{6ba7b8109dad11d180b400c04fd430c8}".
-func (u *UUID) decodeBraced(t []byte) (err error) {
+// decodeBraced decodes UUID strings that are using the following formats:
+//  "{6ba7b810-9dad-11d1-80b4-00c04fd430c8}"
+//  "{6ba7b8109dad11d180b400c04fd430c8}".
+func (u *UUID) decodeBraced(t []byte) error {
 	l := len(t)
 
 	if t[0] != '{' || t[l-1] != '}' {
@@ -158,25 +168,25 @@ func (u *UUID) decodeBraced(t []byte) (err error) {
 	return u.decodePlain(t[1 : l-1])
 }
 
-// decodeURN decodes UUID string in format
-// "urn:uuid:6ba7b810-9dad-11d1-80b4-00c04fd430c8" or in format
-// "urn:uuid:6ba7b8109dad11d180b400c04fd430c8".
-func (u *UUID) decodeURN(t []byte) (err error) {
+// decodeURN decodes UUID strings that are using the following formats:
+//  "urn:uuid:6ba7b810-9dad-11d1-80b4-00c04fd430c8"
+//  "urn:uuid:6ba7b8109dad11d180b400c04fd430c8".
+func (u *UUID) decodeURN(t []byte) error {
 	total := len(t)
 
-	urn_uuid_prefix := t[:9]
+	urnUUIDPrefix := t[:9]
 
-	if !bytes.Equal(urn_uuid_prefix, urnPrefix) {
+	if !bytes.Equal(urnUUIDPrefix, urnPrefix) {
 		return fmt.Errorf("uuid: incorrect UUID format: %s", t)
 	}
 
 	return u.decodePlain(t[9:total])
 }
 
-// decodePlain decodes UUID string in canonical format
-// "6ba7b810-9dad-11d1-80b4-00c04fd430c8" or in hash-like format
-// "6ba7b8109dad11d180b400c04fd430c8".
-func (u *UUID) decodePlain(t []byte) (err error) {
+// decodePlain decodes UUID strings that are using the following formats:
+//  "6ba7b810-9dad-11d1-80b4-00c04fd430c8" or in hash-like format
+//  "6ba7b8109dad11d180b400c04fd430c8".
+func (u *UUID) decodePlain(t []byte) error {
 	switch len(t) {
 	case 32:
 		return u.decodeHashLike(t)
@@ -188,19 +198,17 @@ func (u *UUID) decodePlain(t []byte) (err error) {
 }
 
 // MarshalBinary implements the encoding.BinaryMarshaler interface.
-func (u UUID) MarshalBinary() (data []byte, err error) {
-	data = u.Bytes()
-	return
+func (u UUID) MarshalBinary() ([]byte, error) {
+	return u.Bytes(), nil
 }
 
 // UnmarshalBinary implements the encoding.BinaryUnmarshaler interface.
-// It will return error if the slice isn't 16 bytes long.
-func (u *UUID) UnmarshalBinary(data []byte) (err error) {
+// It will return an error if the slice isn't 16 bytes long.
+func (u *UUID) UnmarshalBinary(data []byte) error {
 	if len(data) != Size {
-		err = fmt.Errorf("uuid: UUID must be exactly 16 bytes long, got %d bytes", len(data))
-		return
+		return fmt.Errorf("uuid: UUID must be exactly 16 bytes long, got %d bytes", len(data))
 	}
 	copy(u[:], data)
 
-	return
+	return nil
 }

vendor/github.com/gofrs/uuid/fuzz.go

@@ -0,0 +1,47 @@
+// Copyright (c) 2018 Andrei Tudor Călin <mail@acln.ro>
+//
+// Permission is hereby granted, free of charge, to any person obtaining
+// a copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to
+// permit persons to whom the Software is furnished to do so, subject to
+// the following conditions:
+//
+// The above copyright notice and this permission notice shall be
+// included in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+// +build gofuzz
+
+package uuid
+
+// Fuzz implements a simple fuzz test for FromString / UnmarshalText.
+//
+// To run:
+//
+//     $ go get github.com/dvyukov/go-fuzz/...
+//     $ cd $GOPATH/src/github.com/gofrs/uuid
+//     $ go-fuzz-build github.com/gofrs/uuid
+//     $ go-fuzz -bin=uuid-fuzz.zip -workdir=./testdata
+//
+// If you make significant changes to FromString / UnmarshalText and add
+// new cases to fromStringTests (in codec_test.go), please run
+//
+//    $ go test -seed_fuzz_corpus
+//
+// to seed the corpus with the new interesting inputs, then run the fuzzer.
+func Fuzz(data []byte) int {
+	_, err := FromString(string(data))
+	if err != nil {
+		return 0
+	}
+	return 1
+}

vendor/github.com/gofrs/uuid/generator.go

@@ -0,0 +1,299 @@
+// Copyright (C) 2013-2018 by Maxim Bublis <b@codemonkey.ru>
+//
+// Permission is hereby granted, free of charge, to any person obtaining
+// a copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to
+// permit persons to whom the Software is furnished to do so, subject to
+// the following conditions:
+//
+// The above copyright notice and this permission notice shall be
+// included in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+package uuid
+
+import (
+	"crypto/md5"
+	"crypto/rand"
+	"crypto/sha1"
+	"encoding/binary"
+	"fmt"
+	"hash"
+	"io"
+	"net"
+	"os"
+	"sync"
+	"time"
+)
+
+// Difference in 100-nanosecond intervals between
+// UUID epoch (October 15, 1582) and Unix epoch (January 1, 1970).
+const epochStart = 122192928000000000
+
+type epochFunc func() time.Time
+
+// HWAddrFunc is the function type used to provide hardware (MAC) addresses.
+type HWAddrFunc func() (net.HardwareAddr, error)
+
+// DefaultGenerator is the default UUID Generator used by this package.
+var DefaultGenerator Generator = NewGen()
+
+var (
+	posixUID = uint32(os.Getuid())
+	posixGID = uint32(os.Getgid())
+)
+
+// NewV1 returns a UUID based on the current timestamp and MAC address.
+func NewV1() (UUID, error) {
+	return DefaultGenerator.NewV1()
+}
+
+// NewV2 returns a DCE Security UUID based on the POSIX UID/GID.
+func NewV2(domain byte) (UUID, error) {
+	return DefaultGenerator.NewV2(domain)
+}
+
+// NewV3 returns a UUID based on the MD5 hash of the namespace UUID and name.
+func NewV3(ns UUID, name string) UUID {
+	return DefaultGenerator.NewV3(ns, name)
+}
+
+// NewV4 returns a randomly generated UUID.
+func NewV4() (UUID, error) {
+	return DefaultGenerator.NewV4()
+}
+
+// NewV5 returns a UUID based on SHA-1 hash of the namespace UUID and name.
+func NewV5(ns UUID, name string) UUID {
+	return DefaultGenerator.NewV5(ns, name)
+}
+
+// Generator provides an interface for generating UUIDs.
+type Generator interface {
+	NewV1() (UUID, error)
+	NewV2(domain byte) (UUID, error)
+	NewV3(ns UUID, name string) UUID
+	NewV4() (UUID, error)
+	NewV5(ns UUID, name string) UUID
+}
+
+// Gen is a reference UUID generator based on the specifications laid out in
+// RFC-4122 and DCE 1.1: Authentication and Security Services. This type
+// satisfies the Generator interface as defined in this package.
+//
+// For consumers who are generating V1 UUIDs, but don't want to expose the MAC
+// address of the node generating the UUIDs, the NewGenWithHWAF() function has been
+// provided as a convenience. See the function's documentation for more info.
+//
+// The authors of this package do not feel that the majority of users will need
+// to obfuscate their MAC address, and so we recommend using NewGen() to create
+// a new generator.
+type Gen struct {
+	clockSequenceOnce sync.Once
+	hardwareAddrOnce  sync.Once
+	storageMutex      sync.Mutex
+
+	rand io.Reader
+
+	epochFunc     epochFunc
+	hwAddrFunc    HWAddrFunc
+	lastTime      uint64
+	clockSequence uint16
+	hardwareAddr  [6]byte
+}
+
+// interface check -- build will fail if *Gen doesn't satisfy Generator
+var _ Generator = (*Gen)(nil)
+
+// NewGen returns a new instance of Gen with some default values set. Most
+// people should use this.
+func NewGen() *Gen {
+	return NewGenWithHWAF(defaultHWAddrFunc)
+}
+
+// NewGenWithHWAF builds a new UUID generator with the HWAddrFunc provided. Most
+// consumers should use NewGen() instead.
+//
+// This is used so that consumers can generate their own MAC addresses, for use
+// in the generated UUIDs, if there is some concern about exposing the physical
+// address of the machine generating the UUID.
+//
+// The Gen generator will only invoke the HWAddrFunc once, and cache that MAC
+// address for all the future UUIDs generated by it. If you'd like to switch the
+// MAC address being used, you'll need to create a new generator using this
+// function.
+func NewGenWithHWAF(hwaf HWAddrFunc) *Gen {
+	return &Gen{
+		epochFunc:  time.Now,
+		hwAddrFunc: hwaf,
+		rand:       rand.Reader,
+	}
+}
+
+// NewV1 returns a UUID based on the current timestamp and MAC address.
+func (g *Gen) NewV1() (UUID, error) {
+	u := UUID{}
+
+	timeNow, clockSeq, err := g.getClockSequence()
+	if err != nil {
+		return Nil, err
+	}
+	binary.BigEndian.PutUint32(u[0:], uint32(timeNow))
+	binary.BigEndian.PutUint16(u[4:], uint16(timeNow>>32))
+	binary.BigEndian.PutUint16(u[6:], uint16(timeNow>>48))
+	binary.BigEndian.PutUint16(u[8:], clockSeq)
+
+	hardwareAddr, err := g.getHardwareAddr()
+	if err != nil {
+		return Nil, err
+	}
+	copy(u[10:], hardwareAddr)
+
+	u.SetVersion(V1)
+	u.SetVariant(VariantRFC4122)
+
+	return u, nil
+}
+
+// NewV2 returns a DCE Security UUID based on the POSIX UID/GID.
+func (g *Gen) NewV2(domain byte) (UUID, error) {
+	u, err := g.NewV1()
+	if err != nil {
+		return Nil, err
+	}
+
+	switch domain {
+	case DomainPerson:
+		binary.BigEndian.PutUint32(u[:], posixUID)
+	case DomainGroup:
+		binary.BigEndian.PutUint32(u[:], posixGID)
+	}
+
+	u[9] = domain
+
+	u.SetVersion(V2)
+	u.SetVariant(VariantRFC4122)
+
+	return u, nil
+}
+
+// NewV3 returns a UUID based on the MD5 hash of the namespace UUID and name.
+func (g *Gen) NewV3(ns UUID, name string) UUID {
+	u := newFromHash(md5.New(), ns, name)
+	u.SetVersion(V3)
+	u.SetVariant(VariantRFC4122)
+
+	return u
+}
+
+// NewV4 returns a randomly generated UUID.
+func (g *Gen) NewV4() (UUID, error) {
+	u := UUID{}
+	if _, err := io.ReadFull(g.rand, u[:]); err != nil {
+		return Nil, err
+	}
+	u.SetVersion(V4)
+	u.SetVariant(VariantRFC4122)
+
+	return u, nil
+}
+
+// NewV5 returns a UUID based on SHA-1 hash of the namespace UUID and name.
+func (g *Gen) NewV5(ns UUID, name string) UUID {
+	u := newFromHash(sha1.New(), ns, name)
+	u.SetVersion(V5)
+	u.SetVariant(VariantRFC4122)
+
+	return u
+}
+
+// Returns the epoch and clock sequence.
+func (g *Gen) getClockSequence() (uint64, uint16, error) {
+	var err error
+	g.clockSequenceOnce.Do(func() {
+		buf := make([]byte, 2)
+		if _, err = io.ReadFull(g.rand, buf); err != nil {
+			return
+		}
+		g.clockSequence = binary.BigEndian.Uint16(buf)
+	})
+	if err != nil {
+		return 0, 0, err
+	}
+
+	g.storageMutex.Lock()
+	defer g.storageMutex.Unlock()
+
+	timeNow := g.getEpoch()
+	// Clock didn't change since last UUID generation.
+	// Should increase clock sequence.
+	if timeNow <= g.lastTime {
+		g.clockSequence++
+	}
+	g.lastTime = timeNow
+
+	return timeNow, g.clockSequence, nil
+}
+
+// Returns the hardware address.
+func (g *Gen) getHardwareAddr() ([]byte, error) {
+	var err error
+	g.hardwareAddrOnce.Do(func() {
+		var hwAddr net.HardwareAddr
+		if hwAddr, err = g.hwAddrFunc(); err == nil {
+			copy(g.hardwareAddr[:], hwAddr)
+			return
+		}
+
+		// Initialize hardwareAddr randomly in case
+		// of real network interfaces absence.
+		if _, err = io.ReadFull(g.rand, g.hardwareAddr[:]); err != nil {
+			return
+		}
+		// Set multicast bit as recommended by RFC-4122
+		g.hardwareAddr[0] |= 0x01
+	})
+	if err != nil {
+		return []byte{}, err
+	}
+	return g.hardwareAddr[:], nil
+}
+
+// Returns the difference between UUID epoch (October 15, 1582)
+// and current time in 100-nanosecond intervals.
+func (g *Gen) getEpoch() uint64 {
+	return epochStart + uint64(g.epochFunc().UnixNano()/100)
+}
+
+// Returns the UUID based on the hashing of the namespace UUID and name.
+func newFromHash(h hash.Hash, ns UUID, name string) UUID {
+	u := UUID{}
+	h.Write(ns[:])
+	h.Write([]byte(name))
+	copy(u[:], h.Sum(nil))
+
+	return u
+}
+
+// Returns the hardware address.
+func defaultHWAddrFunc() (net.HardwareAddr, error) {
+	ifaces, err := net.Interfaces()
+	if err != nil {
+		return []byte{}, err
+	}
+	for _, iface := range ifaces {
+		if len(iface.HardwareAddr) >= 6 {
+			return iface.HardwareAddr, nil
+		}
+	}
+	return []byte{}, fmt.Errorf("uuid: no HW address found")
+}

vendor/github.com/gofrs/uuid/sql.go

@@ -22,7 +22,9 @@
 package uuid
 
 import (
+	"bytes"
 	"database/sql/driver"
+	"encoding/json"
 	"fmt"
 )
 
@@ -32,8 +34,8 @@ func (u UUID) Value() (driver.Value, error) {
 }
 
 // Scan implements the sql.Scanner interface.
-// A 16-byte slice is handled by UnmarshalBinary, while
-// a longer byte slice or a string is handled by UnmarshalText.
+// A 16-byte slice will be handled by UnmarshalBinary, while
+// a longer byte slice or a string will be handled by UnmarshalText.
 func (u *UUID) Scan(src interface{}) error {
 	switch src := src.(type) {
 	case []byte:
@@ -50,7 +52,7 @@ func (u *UUID) Scan(src interface{}) error {
 }
 
 // NullUUID can be used with the standard sql package to represent a
-// UUID value that can be NULL in the database
+// UUID value that can be NULL in the database.
 type NullUUID struct {
 	UUID  UUID
 	Valid bool
@@ -76,3 +78,28 @@ func (u *NullUUID) Scan(src interface{}) error {
 	u.Valid = true
 	return u.UUID.Scan(src)
 }
+
+// MarshalJSON marshals the NullUUID as null or the nested UUID
+func (u NullUUID) MarshalJSON() ([]byte, error) {
+	if !u.Valid {
+		return json.Marshal(nil)
+	}
+
+	return json.Marshal(u.UUID)
+}
+
+// UnmarshalJSON unmarshals a NullUUID
+func (u *NullUUID) UnmarshalJSON(b []byte) error {
+	if bytes.Equal(b, []byte("null")) {
+		u.UUID, u.Valid = Nil, false
+		return nil
+	}
+
+	if err := json.Unmarshal(b, &u.UUID); err != nil {
+		return err
+	}
+
+	u.Valid = true
+
+	return nil
+}

vendor/github.com/gofrs/uuid/uuid.go

@@ -19,31 +19,37 @@
 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 
-// Package uuid provides implementation of Universally Unique Identifier (UUID).
-// Supported versions are 1, 3, 4 and 5 (as specified in RFC 4122) and
-// version 2 (as specified in DCE 1.1).
+// Package uuid provides implementations of the Universally Unique Identifier (UUID), as specified in RFC-4122 and DCE 1.1.
+//
+// RFC-4122[1] provides the specification for versions 1, 3, 4, and 5.
+//
+// DCE 1.1[2] provides the specification for version 2.
+//
+// [1] https://tools.ietf.org/html/rfc4122
+// [2] http://pubs.opengroup.org/onlinepubs/9696989899/chap5.htm#tagcjh_08_02_01_01
 package uuid
 
 import (
-	"bytes"
+	"encoding/binary"
 	"encoding/hex"
+	"fmt"
+	"time"
 )
 
 // Size of a UUID in bytes.
 const Size = 16
 
-// UUID representation compliant with specification
-// described in RFC 4122.
+// UUID is an array type to represent the value of a UUID, as defined in RFC-4122.
 type UUID [Size]byte
 
-// UUID versions
+// UUID versions.
 const (
-	_ byte = iota
-	V1
-	V2
-	V3
-	V4
-	V5
+	_  byte = iota
+	V1      // Version 1 (date-time and MAC address)
+	V2      // Version 2 (date-time and MAC address, DCE security version)
+	V3      // Version 3 (namespace name-based)
+	V4      // Version 4 (random)
+	V5      // Version 5 (namespace name-based)
 )
 
 // UUID layout variants.
@@ -61,14 +67,41 @@ const (
 	DomainOrg
 )
 
+// Timestamp is the count of 100-nanosecond intervals since 00:00:00.00,
+// 15 October 1582 within a V1 UUID. This type has no meaning for V2-V5
+// UUIDs since they don't have an embedded timestamp.
+type Timestamp uint64
+
+const _100nsPerSecond = 10000000
+
+// Time returns the UTC time.Time representation of a Timestamp
+func (t Timestamp) Time() (time.Time, error) {
+	secs := uint64(t) / _100nsPerSecond
+	nsecs := 100 * (uint64(t) % _100nsPerSecond)
+	return time.Unix(int64(secs)-(epochStart/_100nsPerSecond), int64(nsecs)), nil
+}
+
+// TimestampFromV1 returns the Timestamp embedded within a V1 UUID.
+// Returns an error if the UUID is any version other than 1.
+func TimestampFromV1(u UUID) (Timestamp, error) {
+	if u.Version() != 1 {
+		err := fmt.Errorf("uuid: %s is version %d, not version 1", u, u.Version())
+		return 0, err
+	}
+	low := binary.BigEndian.Uint32(u[0:4])
+	mid := binary.BigEndian.Uint16(u[4:6])
+	hi := binary.BigEndian.Uint16(u[6:8]) & 0xfff
+	return Timestamp(uint64(low) + (uint64(mid) << 32) + (uint64(hi) << 48)), nil
+}
+
 // String parse helpers.
 var (
 	urnPrefix  = []byte("urn:uuid:")
 	byteGroups = []int{8, 4, 4, 4, 12}
 )
 
-// Nil is special form of UUID that is specified to have all
-// 128 bits set to zero.
+// Nil is the nil UUID, as specified in RFC-4122, that has all 128 bits set to
+// zero.
 var Nil = UUID{}
 
 // Predefined namespace UUIDs.
@@ -79,17 +112,12 @@ var (
 	NamespaceX500 = Must(FromString("6ba7b814-9dad-11d1-80b4-00c04fd430c8"))
 )
 
-// Equal returns true if u1 and u2 equals, otherwise returns false.
-func Equal(u1 UUID, u2 UUID) bool {
-	return bytes.Equal(u1[:], u2[:])
-}
-
-// Version returns algorithm version used to generate UUID.
+// Version returns the algorithm version used to generate the UUID.
 func (u UUID) Version() byte {
 	return u[6] >> 4
 }
 
-// Variant returns UUID layout variant.
+// Variant returns the UUID layout variant.
 func (u UUID) Variant() byte {
 	switch {
 	case (u[8] >> 7) == 0x00:
@@ -105,12 +133,12 @@ func (u UUID) Variant() byte {
 	}
 }
 
-// Bytes returns bytes slice representation of UUID.
+// Bytes returns a byte slice representation of the UUID.
 func (u UUID) Bytes() []byte {
 	return u[:]
 }
 
-// Returns canonical string representation of UUID:
+// String returns a canonical RFC-4122 string representation of the UUID:
 // xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx.
 func (u UUID) String() string {
 	buf := make([]byte, 36)
@@ -128,12 +156,12 @@ func (u UUID) String() string {
 	return string(buf)
 }
 
-// SetVersion sets version bits.
+// SetVersion sets the version bits.
 func (u *UUID) SetVersion(v byte) {
 	u[6] = (u[6] & 0x0f) | (v << 4)
 }
 
-// SetVariant sets variant bits.
+// SetVariant sets the variant bits.
 func (u *UUID) SetVariant(v byte) {
 	switch v {
 	case VariantNCS:
@@ -152,7 +180,7 @@ func (u *UUID) SetVariant(v byte) {
 // Must is a helper that wraps a call to a function returning (UUID, error)
 // and panics if the error is non-nil. It is intended for use in variable
 // initializations such as
-//	var packageUUID = uuid.Must(uuid.FromString("123e4567-e89b-12d3-a456-426655440000"));
+//  var packageUUID = uuid.Must(uuid.FromString("123e4567-e89b-12d3-a456-426655440000"))
 func Must(u UUID, err error) UUID {
 	if err != nil {
 		panic(err)

vendor/github.com/satori/go.uuid/generator.go

@@ -1,239 +0,0 @@
-// Copyright (C) 2013-2018 by Maxim Bublis <b@codemonkey.ru>
-//
-// Permission is hereby granted, free of charge, to any person obtaining
-// a copy of this software and associated documentation files (the
-// "Software"), to deal in the Software without restriction, including
-// without limitation the rights to use, copy, modify, merge, publish,
-// distribute, sublicense, and/or sell copies of the Software, and to
-// permit persons to whom the Software is furnished to do so, subject to
-// the following conditions:
-//
-// The above copyright notice and this permission notice shall be
-// included in all copies or substantial portions of the Software.
-//
-// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
-// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
-// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
-// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
-// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
-// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
-// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-
-package uuid
-
-import (
-	"crypto/md5"
-	"crypto/rand"
-	"crypto/sha1"
-	"encoding/binary"
-	"hash"
-	"net"
-	"os"
-	"sync"
-	"time"
-)
-
-// Difference in 100-nanosecond intervals between
-// UUID epoch (October 15, 1582) and Unix epoch (January 1, 1970).
-const epochStart = 122192928000000000
-
-var (
-	global = newDefaultGenerator()
-
-	epochFunc = unixTimeFunc
-	posixUID  = uint32(os.Getuid())
-	posixGID  = uint32(os.Getgid())
-)
-
-// NewV1 returns UUID based on current timestamp and MAC address.
-func NewV1() UUID {
-	return global.NewV1()
-}
-
-// NewV2 returns DCE Security UUID based on POSIX UID/GID.
-func NewV2(domain byte) UUID {
-	return global.NewV2(domain)
-}
-
-// NewV3 returns UUID based on MD5 hash of namespace UUID and name.
-func NewV3(ns UUID, name string) UUID {
-	return global.NewV3(ns, name)
-}
-
-// NewV4 returns random generated UUID.
-func NewV4() UUID {
-	return global.NewV4()
-}
-
-// NewV5 returns UUID based on SHA-1 hash of namespace UUID and name.
-func NewV5(ns UUID, name string) UUID {
-	return global.NewV5(ns, name)
-}
-
-// Generator provides interface for generating UUIDs.
-type Generator interface {
-	NewV1() UUID
-	NewV2(domain byte) UUID
-	NewV3(ns UUID, name string) UUID
-	NewV4() UUID
-	NewV5(ns UUID, name string) UUID
-}
-
-// Default generator implementation.
-type generator struct {
-	storageOnce  sync.Once
-	storageMutex sync.Mutex
-
-	lastTime      uint64
-	clockSequence uint16
-	hardwareAddr  [6]byte
-}
-
-func newDefaultGenerator() Generator {
-	return &generator{}
-}
-
-// NewV1 returns UUID based on current timestamp and MAC address.
-func (g *generator) NewV1() UUID {
-	u := UUID{}
-
-	timeNow, clockSeq, hardwareAddr := g.getStorage()
-
-	binary.BigEndian.PutUint32(u[0:], uint32(timeNow))
-	binary.BigEndian.PutUint16(u[4:], uint16(timeNow>>32))
-	binary.BigEndian.PutUint16(u[6:], uint16(timeNow>>48))
-	binary.BigEndian.PutUint16(u[8:], clockSeq)
-
-	copy(u[10:], hardwareAddr)
-
-	u.SetVersion(V1)
-	u.SetVariant(VariantRFC4122)
-
-	return u
-}
-
-// NewV2 returns DCE Security UUID based on POSIX UID/GID.
-func (g *generator) NewV2(domain byte) UUID {
-	u := UUID{}
-
-	timeNow, clockSeq, hardwareAddr := g.getStorage()
-
-	switch domain {
-	case DomainPerson:
-		binary.BigEndian.PutUint32(u[0:], posixUID)
-	case DomainGroup:
-		binary.BigEndian.PutUint32(u[0:], posixGID)
-	}
-
-	binary.BigEndian.PutUint16(u[4:], uint16(timeNow>>32))
-	binary.BigEndian.PutUint16(u[6:], uint16(timeNow>>48))
-	binary.BigEndian.PutUint16(u[8:], clockSeq)
-	u[9] = domain
-
-	copy(u[10:], hardwareAddr)
-
-	u.SetVersion(V2)
-	u.SetVariant(VariantRFC4122)
-
-	return u
-}
-
-// NewV3 returns UUID based on MD5 hash of namespace UUID and name.
-func (g *generator) NewV3(ns UUID, name string) UUID {
-	u := newFromHash(md5.New(), ns, name)
-	u.SetVersion(V3)
-	u.SetVariant(VariantRFC4122)
-
-	return u
-}
-
-// NewV4 returns random generated UUID.
-func (g *generator) NewV4() UUID {
-	u := UUID{}
-	g.safeRandom(u[:])
-	u.SetVersion(V4)
-	u.SetVariant(VariantRFC4122)
-
-	return u
-}
-
-// NewV5 returns UUID based on SHA-1 hash of namespace UUID and name.
-func (g *generator) NewV5(ns UUID, name string) UUID {
-	u := newFromHash(sha1.New(), ns, name)
-	u.SetVersion(V5)
-	u.SetVariant(VariantRFC4122)
-
-	return u
-}
-
-func (g *generator) initStorage() {
-	g.initClockSequence()
-	g.initHardwareAddr()
-}
-
-func (g *generator) initClockSequence() {
-	buf := make([]byte, 2)
-	g.safeRandom(buf)
-	g.clockSequence = binary.BigEndian.Uint16(buf)
-}
-
-func (g *generator) initHardwareAddr() {
-	interfaces, err := net.Interfaces()
-	if err == nil {
-		for _, iface := range interfaces {
-			if len(iface.HardwareAddr) >= 6 {
-				copy(g.hardwareAddr[:], iface.HardwareAddr)
-				return
-			}
-		}
-	}
-
-	// Initialize hardwareAddr randomly in case
-	// of real network interfaces absence
-	g.safeRandom(g.hardwareAddr[:])
-
-	// Set multicast bit as recommended in RFC 4122
-	g.hardwareAddr[0] |= 0x01
-}
-
-func (g *generator) safeRandom(dest []byte) {
-	if _, err := rand.Read(dest); err != nil {
-		panic(err)
-	}
-}
-
-// Returns UUID v1/v2 storage state.
-// Returns epoch timestamp, clock sequence, and hardware address.
-func (g *generator) getStorage() (uint64, uint16, []byte) {
-	g.storageOnce.Do(g.initStorage)
-
-	g.storageMutex.Lock()
-	defer g.storageMutex.Unlock()
-
-	timeNow := epochFunc()
-	// Clock changed backwards since last UUID generation.
-	// Should increase clock sequence.
-	if timeNow <= g.lastTime {
-		g.clockSequence++
-	}
-	g.lastTime = timeNow
-
-	return timeNow, g.clockSequence, g.hardwareAddr[:]
-}
-
-// Returns difference in 100-nanosecond intervals between
-// UUID epoch (October 15, 1582) and current time.
-// This is default epoch calculation function.
-func unixTimeFunc() uint64 {
-	return epochStart + uint64(time.Now().UnixNano()/100)
-}
-
-// Returns UUID based on hashing of namespace UUID and name.
-func newFromHash(h hash.Hash, ns UUID, name string) UUID {
-	u := UUID{}
-	h.Write(ns[:])
-	h.Write([]byte(name))
-	copy(u[:], h.Sum(nil))
-
-	return u
-}