feat: Add notification support for bucketCreates and removal (#10075)

pkg/event/name.go

@@ -23,9 +23,10 @@ import (
 
 // Name - event type enum.
 // Refer http://docs.aws.amazon.com/AmazonS3/latest/dev/NotificationHowTo.html#notification-how-to-event-types-and-destinations
+// for most basic values we have since extend this and its not really much applicable other than a reference point.
 type Name int
 
-// Values of Name
+// Values of event Name
 const (
 	ObjectAccessedAll Name = 1 + iota
 	ObjectAccessedGet
@@ -42,15 +43,23 @@ const (
 	ObjectRemovedAll
 	ObjectRemovedDelete
 	ObjectRemovedDeleteMarkerCreated
+
+	BucketCreated
+	BucketRemoved
 )
 
 // Expand - returns expanded values of abbreviated event type.
 func (name Name) Expand() []Name {
 	switch name {
+	case BucketCreated:
+		return []Name{BucketCreated}
+	case BucketRemoved:
+		return []Name{BucketRemoved}
 	case ObjectAccessedAll:
 		return []Name{ObjectAccessedGet, ObjectAccessedHead, ObjectAccessedGetRetention, ObjectAccessedGetLegalHold}
 	case ObjectCreatedAll:
-		return []Name{ObjectCreatedCompleteMultipartUpload, ObjectCreatedCopy, ObjectCreatedPost, ObjectCreatedPut, ObjectCreatedPutRetention, ObjectCreatedPutLegalHold}
+		return []Name{ObjectCreatedCompleteMultipartUpload, ObjectCreatedCopy,
+			ObjectCreatedPost, ObjectCreatedPut, ObjectCreatedPutRetention, ObjectCreatedPutLegalHold}
 	case ObjectRemovedAll:
 		return []Name{ObjectRemovedDelete}
 	default:
@@ -61,6 +70,10 @@ func (name Name) Expand() []Name {
 // String - returns string representation of event type.
 func (name Name) String() string {
 	switch name {
+	case BucketCreated:
+		return "s3:BucketCreated:*"
+	case BucketRemoved:
+		return "s3:BucketRemoved:*"
 	case ObjectAccessedAll:
 		return "s3:ObjectAccessed:*"
 	case ObjectAccessedGet:
@@ -141,6 +154,10 @@ func (name *Name) UnmarshalJSON(data []byte) error {
 // ParseName - parses string to Name.
 func ParseName(s string) (Name, error) {
 	switch s {
+	case "s3:BucketCreated:*":
+		return BucketCreated, nil
+	case "s3:BucketRemoved:*":
+		return BucketRemoved, nil
 	case "s3:ObjectAccessed:*":
 		return ObjectAccessedAll, nil
 	case "s3:ObjectAccessed:Get":

pkg/event/name_test.go

@@ -28,8 +28,11 @@ func TestNameExpand(t *testing.T) {
 		name           Name
 		expectedResult []Name
 	}{
+		{BucketCreated, []Name{BucketCreated}},
+		{BucketRemoved, []Name{BucketRemoved}},
 		{ObjectAccessedAll, []Name{ObjectAccessedGet, ObjectAccessedHead, ObjectAccessedGetRetention, ObjectAccessedGetLegalHold}},
-		{ObjectCreatedAll, []Name{ObjectCreatedCompleteMultipartUpload, ObjectCreatedCopy, ObjectCreatedPost, ObjectCreatedPut, ObjectCreatedPutRetention, ObjectCreatedPutLegalHold}},
+		{ObjectCreatedAll, []Name{ObjectCreatedCompleteMultipartUpload, ObjectCreatedCopy,
+			ObjectCreatedPost, ObjectCreatedPut, ObjectCreatedPutRetention, ObjectCreatedPutLegalHold}},
 		{ObjectRemovedAll, []Name{ObjectRemovedDelete}},
 		{ObjectAccessedHead, []Name{ObjectAccessedHead}},
 	}
@@ -50,6 +53,8 @@ func TestNameString(t *testing.T) {
 		name           Name
 		expectedResult string
 	}{
+		{BucketCreated, "s3:BucketCreated:*"},
+		{BucketRemoved, "s3:BucketRemoved:*"},
 		{ObjectAccessedAll, "s3:ObjectAccessed:*"},
 		{ObjectAccessedGet, "s3:ObjectAccessed:Get"},
 		{ObjectAccessedHead, "s3:ObjectAccessed:Head"},