Use uuid-utils-go library for UUID generation.

mapper.go

@@ -3,6 +3,7 @@ package main
 import (
 	"encoding/json"
 	"fmt"
+	uuidUtils "github.com/Financial-Times/uuid-utils-go"
 )
 
 const (
@@ -28,7 +29,8 @@ func (m *relatedContentMapper) mapRelatedContent() ([]byte, string, error) {
 		return nil, "", err
 	}
 
-	collectionContainerUUID := NewNameUUIDFromBytes([]byte(videoUUID)).String()
+	uuid := uuidUtils.NewV5UUIDFrom(videoUUID)
+	collectionContainerUUID := uuid.String()
 
 	var cc ContentCollection
 	if !m.isDeleteEvent() {

mapper_test.go

@@ -2,6 +2,7 @@ package main
 
 import (
 	"encoding/json"
+	uuidUtils "github.com/Financial-Times/uuid-utils-go"
 	"github.com/stretchr/testify/assert"
 	"io/ioutil"
 	"testing"
@@ -237,7 +238,9 @@ func newRelatedItem(id interface{}) map[string]interface{} {
 }
 
 func newStringMappedContent(t *testing.T, itemUUID string, tid string, msgDate string) string {
-	ccUUID := NewNameUUIDFromBytes([]byte(testVideoUUID)).String()
+	uuid := uuidUtils.NewV5UUIDFrom(testVideoUUID)
+	ccUUID := uuid.String()
+
 	var cc ContentCollection
 	if itemUUID != "" {
 		items := []Item{{itemUUID}}

vendor/vendor.json

@@ -50,6 +50,14 @@
 			"version": "0.1.0",
 			"versionExact": "0.1.0"
 		},
+		{
+			"checksumSHA1": "CphoWOjfAWc2hFo1e9SBuLaAnMU=",
+			"path": "github.com/Financial-Times/uuid-utils-go",
+			"revision": "6a93dec4ed9646eb79596fcac3fda379974d9d2f",
+			"revisionTime": "2017-05-12T09:08:27Z",
+			"version": "1.0.0",
+			"versionExact": "1.0.0"
+		},
 		{
 			"checksumSHA1": "NSJhlFlJwKJ90vd+jpwiXY/VYh0=",
 			"path": "github.com/Sirupsen/logrus",
@@ -106,6 +114,12 @@
 			"revision": "4d4bfba8f1d1027c4fdbe371823030df51419987",
 			"revisionTime": "2017-01-30T11:31:45Z"
 		},
+		{
+			"checksumSHA1": "hRpSBofTFAM50mVLe4sID2rP2v8=",
+			"path": "github.com/willf/bitset",
+			"revision": "988f4f24992fc745de53c42df0da6581e42a6686",
+			"revisionTime": "2017-05-05T19:16:46Z"
+		},
 		{
 			"checksumSHA1": "ArDa4bMPKzhiS1I7iioemBwZ6tE=",
 			"path": "golang.org/x/sys/unix",