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[#488] middleware/policy: Add frostfs-to-s3 error transformation

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Signed-off-by: Nikita Zinkevich <n.zinkevich@yadro.com>
This commit is contained in:
Nikita Zinkevich 2024-09-27 12:26:08 +03:00
parent 9fadfbbc2f
commit bc17ab5e47
10 changed files with 143 additions and 111 deletions
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23
api/handler/util.go
View file

@ -12,10 +12,7 @@ import (
"git.frostfs.info/TrueCloudLab/frostfs-s3-gw/api/data"
apierr "git.frostfs.info/TrueCloudLab/frostfs-s3-gw/api/errors"
"git.frostfs.info/TrueCloudLab/frostfs-s3-gw/api/layer"
"git.frostfs.info/TrueCloudLab/frostfs-s3-gw/api/layer/frostfs"
"git.frostfs.info/TrueCloudLab/frostfs-s3-gw/api/layer/tree"
"git.frostfs.info/TrueCloudLab/frostfs-s3-gw/api/middleware"
frosterrors "git.frostfs.info/TrueCloudLab/frostfs-s3-gw/internal/frostfs/errors"
"git.frostfs.info/TrueCloudLab/frostfs-s3-gw/internal/logs"
cid "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/container/id"
"go.opentelemetry.io/otel/trace"
@ -32,7 +29,7 @@ func (h *handler) reqLogger(ctx context.Context) *zap.Logger {
func (h *handler) logAndSendError(w http.ResponseWriter, logText string, reqInfo *middleware.ReqInfo, err error, additional ...zap.Field) {
err = handleDeleteMarker(w, err)
if code, wrErr := middleware.WriteErrorResponse(w, reqInfo, transformToS3Error(err)); wrErr != nil {
if code, wrErr := middleware.WriteErrorResponse(w, reqInfo, apierr.TransformToS3Error(err)); wrErr != nil {
additional = append(additional, zap.NamedError("write_response_error", wrErr))
} else {
additional = append(additional, zap.Int("status", code))
@ -62,24 +59,6 @@ func handleDeleteMarker(w http.ResponseWriter, err error) error {
return fmt.Errorf("%w: %s", apierr.GetAPIError(target.ErrorCode), err)
}
func transformToS3Error(err error) error {
err = frosterrors.UnwrapErr(err) // this wouldn't work with errors.Join
if _, ok := err.(apierr.Error); ok {
return err
}
if errors.Is(err, frostfs.ErrAccessDenied) ||
errors.Is(err, tree.ErrNodeAccessDenied) {
return apierr.GetAPIError(apierr.ErrAccessDenied)
}
if errors.Is(err, frostfs.ErrGatewayTimeout) {
return apierr.GetAPIError(apierr.ErrGatewayTimeout)
}
return apierr.GetAPIError(apierr.ErrInternalError)
}
func (h *handler) ResolveBucket(ctx context.Context, bucket string) (*data.BucketInfo, error) {
return h.obj.GetBucketInfo(ctx, bucket)
}

64
api/handler/util_test.go
View file

@ -1,65 +1 @@
package handler
import (
"errors"
"fmt"
"testing"
s3errors "git.frostfs.info/TrueCloudLab/frostfs-s3-gw/api/errors"
"git.frostfs.info/TrueCloudLab/frostfs-s3-gw/api/layer/frostfs"
"git.frostfs.info/TrueCloudLab/frostfs-s3-gw/api/layer/tree"
"github.com/stretchr/testify/require"
)
func TestTransformS3Errors(t *testing.T) {
for _, tc := range []struct {
name string
err error
expected s3errors.ErrorCode
}{
{
name: "simple std error to internal error",
err: errors.New("some error"),
expected: s3errors.ErrInternalError,
},
{
name: "layer access denied error to s3 access denied error",
err: frostfs.ErrAccessDenied,
expected: s3errors.ErrAccessDenied,
},
{
name: "wrapped layer access denied error to s3 access denied error",
err: fmt.Errorf("wrap: %w", frostfs.ErrAccessDenied),
expected: s3errors.ErrAccessDenied,
},
{
name: "layer node access denied error to s3 access denied error",
err: tree.ErrNodeAccessDenied,
expected: s3errors.ErrAccessDenied,
},
{
name: "layer gateway timeout error to s3 gateway timeout error",
err: frostfs.ErrGatewayTimeout,
expected: s3errors.ErrGatewayTimeout,
},
{
name: "s3 error to s3 error",
err: s3errors.GetAPIError(s3errors.ErrInvalidPart),
expected: s3errors.ErrInvalidPart,
},
{
name: "wrapped s3 error to s3 error",
err: fmt.Errorf("wrap: %w", s3errors.GetAPIError(s3errors.ErrInvalidPart)),
expected: s3errors.ErrInvalidPart,
},
} {
t.Run(tc.name, func(t *testing.T) {
err := transformToS3Error(tc.err)
s3err, ok := err.(s3errors.Error)
require.True(t, ok, "error must be s3 error")
require.Equalf(t, tc.expected, s3err.ErrCode,
"expected: '%s', got: '%s'",
s3errors.GetAPIError(tc.expected).Code, s3errors.GetAPIError(s3err.ErrCode).Code)
})
}
}