Add arangodb init

2021-12-17 09:25:29 +05:30
parent 155d2e65c2
commit 57dd69279e
10 changed files with 190 additions and 34 deletions
--- a/2
+++ b/2
@@ -1,4 +1,4 @@
-FROM golang:1.16-alpine as builder
+FROM golang:1.17-alpine as builder
 WORKDIR /app
 COPY server server
 COPY Makefile .
--- a/server/db/arangodb.go
+++ b/server/db/arangodb.go
@@ -0,0 +1,96 @@
+package db
+
+import (
+	"context"
+	"log"
+
+	"github.com/arangodb/go-driver"
+	arangoDriver "github.com/arangodb/go-driver"
+	"github.com/arangodb/go-driver/http"
+	"github.com/authorizerdev/authorizer/server/constants"
+)
+
+func initArangodb() (*arangoDriver.Database, error) {
+	ctx := context.Background()
+	conn, err := http.NewConnection(http.ConnectionConfig{
+		Endpoints: []string{constants.DATABASE_URL},
+	})
+	if err != nil {
+		return nil, err
+	}
+
+	// TODO add support for authentication option in clientConfig or check if
+	// basic auth pattern works here in DB_URL
+	client, err := arangoDriver.NewClient(arangoDriver.ClientConfig{
+		Connection: conn,
+	})
+	if err != nil {
+		return nil, err
+	}
+
+	var arangodb driver.Database
+	var arangodb_exists bool
+
+	// TODO use dynamic name based on env
+	dbName := "authorizer"
+	arangodb_exists, err = client.DatabaseExists(nil, dbName)
+
+	if arangodb_exists {
+		log.Println(dbName + " db exists already")
+
+		arangodb, err = client.Database(nil, dbName)
+
+		if err != nil {
+			return nil, err
+		}
+
+	} else {
+		arangodb, err = client.CreateDatabase(nil, dbName, nil)
+
+		if err != nil {
+			return nil, err
+		}
+	}
+
+	userCollectionExists, err := arangodb.CollectionExists(ctx, Collections.User)
+	if userCollectionExists {
+		log.Println(Collections.User + " collection exists already")
+	} else {
+		_, err = arangodb.CreateCollection(ctx, Collections.User, nil)
+		if err != nil {
+			log.Println("error creating collection("+Collections.User+"):", err)
+		}
+	}
+
+	verificationRequestsColumnExists, err := arangodb.CollectionExists(ctx, Collections.VerificationRequest)
+	if verificationRequestsColumnExists {
+		log.Println(Collections.VerificationRequest + " collection exists already")
+	} else {
+		_, err = arangodb.CreateCollection(ctx, Collections.VerificationRequest, nil)
+		if err != nil {
+			log.Println("error creating collection("+Collections.VerificationRequest+"):", err)
+		}
+	}
+
+	rolesExists, err := arangodb.CollectionExists(ctx, Collections.Role)
+	if rolesExists {
+		log.Println(Collections.Role + " collection exists already")
+	} else {
+		_, err = arangodb.CreateCollection(ctx, Collections.Role, nil)
+		if err != nil {
+			log.Println("error creating collection("+Collections.Role+"):", err)
+		}
+	}
+
+	sessionExists, err := arangodb.CollectionExists(ctx, Collections.Session)
+	if sessionExists {
+		log.Println(Collections.Session + " collection exists already")
+	} else {
+		_, err = arangodb.CreateCollection(ctx, Collections.Session, nil)
+		if err != nil {
+			log.Println("error creating collection("+Collections.Session+"):", err)
+		}
+	}
+
+	return &arangodb, err
+}
--- a/server/db/db.go
+++ b/server/db/db.go
@@ -3,6 +3,7 @@ package db
 import (
 	"log"

+	arangoDriver "github.com/arangodb/go-driver"
 	"github.com/authorizerdev/authorizer/server/constants"
 	"github.com/authorizerdev/authorizer/server/enum"
 	"github.com/google/uuid"
@@ -31,34 +32,79 @@ type Manager interface {
 }

 type manager struct {
-	db *gorm.DB
+	sqlDB    *gorm.DB
+	arangodb *arangoDriver.Database
 }

-var Mgr Manager
+// mainly used by nosql dbs
+type CollectionList struct {
+	User                string
+	VerificationRequest string
+	Role                string
+	Session             string
+}
+
+var (
+	Mgr         Manager
+	Prefix      = "authorizer_"
+	Collections = CollectionList{
+		User:                Prefix + "users",
+		VerificationRequest: Prefix + "verification_requests",
+		Role:                Prefix + "roles",
+		Session:             Prefix + "sessions",
+	}
+)
+
+func isSQL() bool {
+	return constants.DATABASE_TYPE != enum.Arangodb.String()
+}

 func InitDB() {
-	var db *gorm.DB
+	var sqlDB *gorm.DB
 	var err error
+
+	// sql db orm config
 	ormConfig := &gorm.Config{
 		NamingStrategy: schema.NamingStrategy{
-			TablePrefix: "authorizer_",
+			TablePrefix: Prefix,
 		},
 	}
-	if constants.DATABASE_TYPE == enum.Postgres.String() {
-		db, err = gorm.Open(postgres.Open(constants.DATABASE_URL), ormConfig)
-	}
-	if constants.DATABASE_TYPE == enum.Mysql.String() {
-		db, err = gorm.Open(mysql.Open(constants.DATABASE_URL), ormConfig)
-	}
-	if constants.DATABASE_TYPE == enum.Sqlite.String() {
-		db, err = gorm.Open(sqlite.Open(constants.DATABASE_URL), ormConfig)
+
+	switch constants.DATABASE_TYPE {
+	case enum.Postgres.String():
+		sqlDB, err = gorm.Open(postgres.Open(constants.DATABASE_URL), ormConfig)
+		break
+	case enum.Sqlite.String():
+		sqlDB, err = gorm.Open(sqlite.Open(constants.DATABASE_URL), ormConfig)
+		break
+	case enum.Mysql.String():
+		sqlDB, err = gorm.Open(mysql.Open(constants.DATABASE_URL), ormConfig)
+		break
+	case enum.Arangodb.String():
+		arangodb, err := initArangodb()
+		if err != nil {
+			log.Fatal("error initing arangodb:", err)
+		}
+		Mgr = &manager{
+			sqlDB:    nil,
+			arangodb: arangodb,
+		}
+
+		// check if collections exists
+
+		break
 	}

-	if err != nil {
-		log.Fatal("Failed to init db:", err)
-	} else {
-		db.AutoMigrate(&User{}, &VerificationRequest{}, &Role{}, &Session{})
+	// common for all sql dbs that are configured via gorm
+	if isSQL() {
+		if err != nil {
+			log.Fatal("Failed to init sqlDB:", err)
+		} else {
+			sqlDB.AutoMigrate(&User{}, &VerificationRequest{}, &Role{}, &Session{})
+		}
+		Mgr = &manager{
+			sqlDB:    sqlDB,
+			arangodb: nil,
+		}
 	}
-
-	Mgr = &manager{db: db}
 }
--- a/server/db/roles.go
+++ b/server/db/roles.go
@@ -21,7 +21,7 @@ func (r *Role) BeforeCreate(tx *gorm.DB) (err error) {

 // SaveRoles function to save roles
 func (mgr *manager) SaveRoles(roles []Role) error {
-	res := mgr.db.Clauses(
+	res := mgr.sqlDB.Clauses(
 		clause.OnConflict{
 			DoNothing: true,
 		}).Create(&roles)
--- a/server/db/session.go
+++ b/server/db/session.go
@@ -26,7 +26,7 @@ func (r *Session) BeforeCreate(tx *gorm.DB) (err error) {

 // SaveSession function to save user sessiosn
 func (mgr *manager) SaveSession(session Session) error {
-	res := mgr.db.Clauses(
+	res := mgr.sqlDB.Clauses(
 		clause.OnConflict{
 			DoNothing: true,
 		}).Create(&session)
--- a/server/db/user.go
+++ b/server/db/user.go
@@ -31,7 +31,7 @@ func (u *User) BeforeCreate(tx *gorm.DB) (err error) {

 // SaveUser function to add user even with email conflict
 func (mgr *manager) SaveUser(user User) (User, error) {
-	result := mgr.db.Clauses(
+	result := mgr.sqlDB.Clauses(
 		clause.OnConflict{
 			UpdateAll: true,
 			Columns:   []clause.Column{{Name: "email"}},
@@ -47,7 +47,7 @@ func (mgr *manager) SaveUser(user User) (User, error) {
 // UpdateUser function to update user with ID conflict
 func (mgr *manager) UpdateUser(user User) (User, error) {
 	user.UpdatedAt = time.Now().Unix()
-	result := mgr.db.Clauses(
+	result := mgr.sqlDB.Clauses(
 		clause.OnConflict{
 			UpdateAll: true,
 			Columns:   []clause.Column{{Name: "email"}},
@@ -63,7 +63,7 @@ func (mgr *manager) UpdateUser(user User) (User, error) {
 // GetUsers function to get all users
 func (mgr *manager) GetUsers() ([]User, error) {
 	var users []User
-	result := mgr.db.Find(&users)
+	result := mgr.sqlDB.Find(&users)
 	if result.Error != nil {
 		log.Println(result.Error)
 		return users, result.Error
@@ -73,7 +73,7 @@ func (mgr *manager) GetUsers() ([]User, error) {

 func (mgr *manager) GetUserByEmail(email string) (User, error) {
 	var user User
-	result := mgr.db.Where("email = ?", email).First(&user)
+	result := mgr.sqlDB.Where("email = ?", email).First(&user)

 	if result.Error != nil {
 		return user, result.Error
@@ -84,7 +84,7 @@ func (mgr *manager) GetUserByEmail(email string) (User, error) {

 func (mgr *manager) GetUserByID(id string) (User, error) {
 	var user User
-	result := mgr.db.Where("id = ?", id).First(&user)
+	result := mgr.sqlDB.Where("id = ?", id).First(&user)

 	if result.Error != nil {
 		return user, result.Error
@@ -97,7 +97,7 @@ func (mgr *manager) UpdateVerificationTime(verifiedAt int64, id uuid.UUID) error
 	user := &User{
 		ID: id,
 	}
-	result := mgr.db.Model(&user).Where("id = ?", id).Update("email_verified_at", verifiedAt)
+	result := mgr.sqlDB.Model(&user).Where("id = ?", id).Update("email_verified_at", verifiedAt)

 	if result.Error != nil {
 		return result.Error
@@ -108,7 +108,7 @@ func (mgr *manager) UpdateVerificationTime(verifiedAt int64, id uuid.UUID) error

 func (mgr *manager) DeleteUser(email string) error {
 	var user User
-	result := mgr.db.Where("email = ?", email).Delete(&user)
+	result := mgr.sqlDB.Where("email = ?", email).Delete(&user)

 	if result.Error != nil {
 		log.Println(`Error deleting user:`, result.Error)
--- a/server/db/verificationRequests.go
+++ b/server/db/verificationRequests.go
@@ -26,7 +26,7 @@ func (v *VerificationRequest) BeforeCreate(tx *gorm.DB) (err error) {

 // AddVerification function to add verification record
 func (mgr *manager) AddVerification(verification VerificationRequest) (VerificationRequest, error) {
-	result := mgr.db.Clauses(clause.OnConflict{
+	result := mgr.sqlDB.Clauses(clause.OnConflict{
 		Columns:   []clause.Column{{Name: "email"}},
 		DoUpdates: clause.AssignmentColumns([]string{"token", "identifier", "expires_at"}),
 	}).Create(&verification)
@@ -40,7 +40,7 @@ func (mgr *manager) AddVerification(verification VerificationRequest) (Verificat

 func (mgr *manager) GetVerificationByToken(token string) (VerificationRequest, error) {
 	var verification VerificationRequest
-	result := mgr.db.Where("token = ?", token).First(&verification)
+	result := mgr.sqlDB.Where("token = ?", token).First(&verification)

 	if result.Error != nil {
 		log.Println(`Error getting verification token:`, result.Error)
@@ -52,7 +52,7 @@ func (mgr *manager) GetVerificationByToken(token string) (VerificationRequest, e

 func (mgr *manager) GetVerificationByEmail(email string) (VerificationRequest, error) {
 	var verification VerificationRequest
-	result := mgr.db.Where("email = ?", email).First(&verification)
+	result := mgr.sqlDB.Where("email = ?", email).First(&verification)

 	if result.Error != nil {
 		log.Println(`Error getting verification token:`, result.Error)
@@ -64,7 +64,7 @@ func (mgr *manager) GetVerificationByEmail(email string) (VerificationRequest, e

 func (mgr *manager) DeleteToken(email string) error {
 	var verification VerificationRequest
-	result := mgr.db.Where("email = ?", email).Delete(&verification)
+	result := mgr.sqlDB.Where("email = ?", email).Delete(&verification)

 	if result.Error != nil {
 		log.Println(`Error deleting token:`, result.Error)
@@ -77,7 +77,7 @@ func (mgr *manager) DeleteToken(email string) error {
 // GetUsers function to get all users
 func (mgr *manager) GetVerificationRequests() ([]VerificationRequest, error) {
 	var verificationRequests []VerificationRequest
-	result := mgr.db.Find(&verificationRequests)
+	result := mgr.sqlDB.Find(&verificationRequests)
 	if result.Error != nil {
 		log.Println(result.Error)
 		return verificationRequests, result.Error
--- a/server/enum/dbType.go
+++ b/server/enum/dbType.go
@@ -6,6 +6,7 @@ const (
 	Postgres DbType = iota
 	Sqlite
 	Mysql
+	Arangodb
 )

 func (d DbType) String() string {
@@ -13,5 +14,6 @@ func (d DbType) String() string {
 		"postgres",
 		"sqlite",
 		"mysql",
+		"arangodb",
 	}[d]
 }
--- a/server/go.mod
+++ b/server/go.mod
@@ -4,12 +4,13 @@ go 1.16

 require (
 	github.com/99designs/gqlgen v0.13.0
+	github.com/arangodb/go-driver v1.2.1 // indirect
 	github.com/coreos/go-oidc/v3 v3.1.0 // indirect
 	github.com/gin-contrib/location v0.0.2 // indirect
 	github.com/gin-gonic/gin v1.7.2
 	github.com/go-playground/validator/v10 v10.8.0 // indirect
 	github.com/go-redis/redis/v8 v8.11.0
-	github.com/golang-jwt/jwt v3.2.1+incompatible
+	github.com/golang-jwt/jwt v3.2.2+incompatible
 	github.com/golang/protobuf v1.5.2 // indirect
 	github.com/google/uuid v1.3.0
 	github.com/jackc/pgproto3/v2 v2.1.0 // indirect
--- a/server/go.sum
+++ b/server/go.sum
@@ -74,6 +74,10 @@ github.com/andreyvit/diff v0.0.0-20170406064948-c7f18ee00883/go.mod h1:rCTlJbsFo
 github.com/antihax/optional v1.0.0/go.mod h1:uupD/76wgC+ih3iEmQUL+0Ugr19nfwCT1kdvxnR2qWY=
 github.com/apache/thrift v0.12.0/go.mod h1:cp2SuWMxlEZw2r+iP2GNCdIi4C1qmUzdZFSVb+bacwQ=
 github.com/apache/thrift v0.13.0/go.mod h1:cp2SuWMxlEZw2r+iP2GNCdIi4C1qmUzdZFSVb+bacwQ=
+github.com/arangodb/go-driver v1.2.1 h1:HREDHhDmzdIWxHmfkfTESbYUnRjESjPh4WUuXq7FZa8=
+github.com/arangodb/go-driver v1.2.1/go.mod h1:zdDkJJnCj8DAkfbtIjIXnsTrWIiy6VhP3Vy14p+uQeY=
+github.com/arangodb/go-velocypack v0.0.0-20200318135517-5af53c29c67e h1:Xg+hGrY2LcQBbxd0ZFdbGSyRKTYMZCfBbw/pMJFOk1g=
+github.com/arangodb/go-velocypack v0.0.0-20200318135517-5af53c29c67e/go.mod h1:mq7Shfa/CaixoDxiyAAc5jZ6CVBAyPaNQCGS7mkj4Ho=
 github.com/arbovm/levenshtein v0.0.0-20160628152529-48b4e1c0c4d0 h1:jfIu9sQUG6Ig+0+Ap1h4unLjW6YQJpKZVmUzxsD4E/Q=
 github.com/arbovm/levenshtein v0.0.0-20160628152529-48b4e1c0c4d0/go.mod h1:t2tdKJDJF9BV14lnkjHmOQgcvEKgtqs5a1N3LNdJhGE=
 github.com/armon/circbuf v0.0.0-20150827004946-bbbad097214e/go.mod h1:3U/XgcO3hCbHZ8TKRvWD2dDTCfh9M9ya+I9JpbB7O8o=
@@ -109,6 +113,7 @@ github.com/cockroachdb/apd v1.1.0 h1:3LFP3629v+1aKXU5Q37mxmRxX/pIu1nijXydLShEq5I
 github.com/cockroachdb/apd v1.1.0/go.mod h1:8Sl8LxpKi29FqWXR16WEFZRNSz3SoPzUzeMeY4+DwBQ=
 github.com/cockroachdb/datadriven v0.0.0-20190809214429-80d97fb3cbaa/go.mod h1:zn76sxSg3SzpJ0PPJaLDCu+Bu0Lg3sKTORVIj19EIF8=
 github.com/codahale/hdrhistogram v0.0.0-20161010025455-3a0bb77429bd/go.mod h1:sE/e/2PUdi/liOCUjSTXgM1o87ZssimdTWN964YiIeI=
+github.com/coreos/go-iptables v0.4.3/go.mod h1:/mVI274lEDI2ns62jHCDnCyBF9Iwsmekav8Dbxlm1MU=
 github.com/coreos/go-oidc/v3 v3.1.0 h1:6avEvcdvTa1qYsOZ6I5PRkSYHzpTNWgKYmaJfaYbrRw=
 github.com/coreos/go-oidc/v3 v3.1.0/go.mod h1:rEJ/idjfUyfkBit1eI1fvyr+64/g9dcKpAm8MJMesvo=
 github.com/coreos/go-semver v0.2.0/go.mod h1:nnelYz7RCh+5ahJtPPxZlU+153eP4D4r3EedlOD2RNk=
@@ -123,6 +128,7 @@ github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ3
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 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/dchest/uniuri v0.0.0-20160212164326-8902c56451e9/go.mod h1:GgB8SF9nRG+GqaDtLcwJZsQFhcogVCJ79j4EdT0c2V4=
 github.com/dgrijalva/jwt-go v3.2.0+incompatible/go.mod h1:E3ru+11k8xSBh+hMPgOLZmtrrCbhqsmaPHjLKYnJCaQ=
 github.com/dgryski/go-rendezvous v0.0.0-20200823014737-9f7001d12a5f h1:lO4WD4F/rVNCu3HqELle0jiPLLBs70cWOduZpkS1E78=
 github.com/dgryski/go-rendezvous v0.0.0-20200823014737-9f7001d12a5f/go.mod h1:cuUVRXasLTGF7a8hSLbxyZXjz+1KgoB3wDUb6vlszIc=
@@ -278,6 +284,7 @@ github.com/google/pprof v0.0.0-20210609004039-a478d1d731e9/go.mod h1:kpwsk12EmLe
 github.com/google/pprof v0.0.0-20210720184732-4bb14d4b1be1/go.mod h1:kpwsk12EmLew5upagYY7GY0pfYCcupk39gWOCRROcvE=
 github.com/google/renameio v0.1.0/go.mod h1:KWCgfxg9yswjAJkECMjeO8J8rahYeXnNhOm40UhjYkI=
 github.com/google/uuid v1.0.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
+github.com/google/uuid v1.1.1/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
 github.com/google/uuid v1.1.2/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
 github.com/google/uuid v1.3.0 h1:t6JiXgmwXMjEs8VusXIJk2BXHsn+wx8BZdTaoZ5fu7I=
 github.com/google/uuid v1.3.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
@@ -535,6 +542,8 @@ github.com/pkg/diff v0.0.0-20210226163009-20ebb0f2a09e/go.mod h1:pJLUxLENpZxwdsK
 github.com/pkg/errors v0.8.0/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
 github.com/pkg/errors v0.8.1 h1:iURUrRGxPUNPdy5/HRSm+Yj6okJ6UtLINN0Q9M4+h3I=
 github.com/pkg/errors v0.8.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
+github.com/pkg/errors v0.9.1 h1:FEBLx1zS214owpjy7qsBeixbURkuhQAwrK5UwLGTwt4=
+github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
 github.com/pkg/profile v1.2.1/go.mod h1:hJw3o1OdXxsrSjjVksARp5W95eeEaEfptyVZyv6JUPA=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
@@ -569,6 +578,7 @@ github.com/rs/cors v1.6.0/go.mod h1:gFx+x8UowdsKA9AchylcLynDq+nNFfI8FkUZdN/jGCU=
 github.com/rs/xid v1.2.1/go.mod h1:+uKXf+4Djp6Md1KODXJxgGQPKngRmWyn10oCKFzNHOQ=
 github.com/rs/zerolog v1.13.0/go.mod h1:YbFCdg8HfsridGWAh22vktObvhZbQsZXe4/zB0OKkWU=
 github.com/rs/zerolog v1.15.0/go.mod h1:xYTKnLHcpfU2225ny5qZjxnj9NvkumZYjJHlAThCjNc=
+github.com/rs/zerolog v1.19.0/go.mod h1:IzD0RJ65iWH0w97OQQebJEvTZYvsCUm9WVLWBQrJRjo=
 github.com/russross/blackfriday/v2 v2.0.1 h1:lPqVAte+HuHNfhJ/0LC98ESWRz8afy9tM/0RK8m9o+Q=
 github.com/russross/blackfriday/v2 v2.0.1/go.mod h1:+Rmxgy9KzJVeS9/2gXHxylqXiyQDYRxCVz55jmeOWTM=
 github.com/ryanuber/columnize v0.0.0-20160712163229-9b3edd62028f/go.mod h1:sm1tb6uqfes/u+d4ooFouqFdy9/2g9QGwK3SQygK0Ts=
@@ -896,6 +906,7 @@ golang.org/x/tools v0.0.0-20190621195816-6e04913cbbac/go.mod h1:/rFqwRUd4F7ZHNgw
 golang.org/x/tools v0.0.0-20190628153133-6cdbf07be9d0/go.mod h1:/rFqwRUd4F7ZHNgwSSTFct+R/Kf4OFW1sUzUTQQTgfc=
 golang.org/x/tools v0.0.0-20190816200558-6889da9d5479/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
 golang.org/x/tools v0.0.0-20190823170909-c4a336ef6a2f/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
+golang.org/x/tools v0.0.0-20190828213141-aed303cbaa74/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
 golang.org/x/tools v0.0.0-20190911174233-4f2ddba30aff/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
 golang.org/x/tools v0.0.0-20191012152004-8de300cfc20a/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
 golang.org/x/tools v0.0.0-20191029041327-9cc4af7d6b2c/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=