Avoid unnecessary logging for policy not found errors (#6104)

cmd/gateway/azure/gateway-azure.go

@@ -1131,7 +1131,6 @@ func (a *azureObjects) GetBucketPolicy(ctx context.Context, bucket string) (*pol
 	}
 
 	if perm.AccessType == storage.ContainerAccessTypePrivate {
-		logger.LogIf(ctx, minio.BucketPolicyNotFound{Bucket: bucket})
 		return nil, minio.BucketPolicyNotFound{Bucket: bucket}
 	} else if perm.AccessType != storage.ContainerAccessTypeContainer {
 		logger.LogIf(ctx, minio.NotImplemented{})

cmd/gateway/b2/gateway-b2.go

@@ -772,7 +772,6 @@ func (l *b2Objects) GetBucketPolicy(ctx context.Context, bucket string) (*policy
 	// just return back as policy not found for all cases.
 	// CreateBucket always sets the value to allPrivate by default.
 	if bkt.Type != bucketTypeReadOnly {
-		logger.LogIf(ctx, minio.BucketPolicyNotFound{Bucket: bucket})
 		return nil, minio.BucketPolicyNotFound{Bucket: bucket}
 	}
 

cmd/gateway/gcs/gateway-gcs.go

@@ -1136,7 +1136,6 @@ func (l *gcsGateway) CompleteMultipartUpload(ctx context.Context, bucket string,
 func (l *gcsGateway) SetBucketPolicy(ctx context.Context, bucket string, bucketPolicy *policy.Policy) error {
 	policyInfo, err := minio.PolicyToBucketAccessPolicy(bucketPolicy)
 	if err != nil {
-		// This should not happen.
 		logger.LogIf(ctx, err)
 		return gcsToObjectError(err, bucket)
 	}
@@ -1192,7 +1191,6 @@ func (l *gcsGateway) SetBucketPolicy(ctx context.Context, bucket string, bucketP
 func (l *gcsGateway) GetBucketPolicy(ctx context.Context, bucket string) (*policy.Policy, error) {
 	rules, err := l.client.Bucket(bucket).ACL().List(l.ctx)
 	if err != nil {
-		logger.LogIf(ctx, err)
 		return nil, gcsToObjectError(err, bucket)
 	}
 
@@ -1227,7 +1225,6 @@ func (l *gcsGateway) GetBucketPolicy(ctx context.Context, bucket string) (*polic
 
 	// Return NoSuchBucketPolicy error, when policy is not set
 	if len(actionSet) == 0 {
-		logger.LogIf(ctx, minio.BucketPolicyNotFound{})
 		return nil, gcsToObjectError(minio.BucketPolicyNotFound{}, bucket)
 	}
 
@@ -1252,7 +1249,6 @@ func (l *gcsGateway) GetBucketPolicy(ctx context.Context, bucket string) (*polic
 func (l *gcsGateway) DeleteBucketPolicy(ctx context.Context, bucket string) error {
 	// This only removes the storage.AllUsers policies
 	if err := l.client.Bucket(bucket).ACL().Delete(l.ctx, storage.AllUsers); err != nil {
-		logger.LogIf(ctx, err)
 		return gcsToObjectError(err, bucket)
 	}
 

cmd/gateway/oss/gateway-oss.go

@@ -1018,7 +1018,6 @@ func (l *ossObjects) GetBucketPolicy(ctx context.Context, bucket string) (*polic
 	switch result.ACL {
 	case string(oss.ACLPrivate):
 		// By default, all buckets starts with a "private" policy.
-		logger.LogIf(ctx, minio.BucketPolicyNotFound{})
 		return nil, ossToObjectError(minio.BucketPolicyNotFound{}, bucket)
 	case string(oss.ACLPublicRead):
 		readOnly = true

cmd/gateway/s3/gateway-s3.go

@@ -464,7 +464,6 @@ func (l *s3Objects) SetBucketPolicy(ctx context.Context, bucket string, bucketPo
 func (l *s3Objects) GetBucketPolicy(ctx context.Context, bucket string) (*policy.Policy, error) {
 	data, err := l.Client.GetBucketPolicy(bucket)
 	if err != nil {
-		logger.LogIf(ctx, err)
 		return nil, minio.ErrorRespToObjectError(err, bucket)
 	}