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errors.go
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/
errors.go
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package shared
import (
"context"
"errors"
"fmt"
"strconv"
"github.com/rs/zerolog"
"google.golang.org/genproto/googleapis/rpc/errdetails"
"google.golang.org/grpc/codes"
"google.golang.org/grpc/status"
v1 "github.com/authzed/authzed-go/proto/authzed/api/v1"
"github.com/authzed/spicedb/internal/dispatch"
"github.com/authzed/spicedb/internal/graph"
log "github.com/authzed/spicedb/internal/logging"
"github.com/authzed/spicedb/internal/sharederrors"
"github.com/authzed/spicedb/pkg/cursor"
"github.com/authzed/spicedb/pkg/datastore"
dispatchv1 "github.com/authzed/spicedb/pkg/proto/dispatch/v1"
"github.com/authzed/spicedb/pkg/schemadsl/compiler"
"github.com/authzed/spicedb/pkg/spiceerrors"
"github.com/authzed/spicedb/pkg/typesystem"
)
// ErrServiceReadOnly is an extended GRPC error returned when a service is in read-only mode.
var ErrServiceReadOnly = mustMakeStatusReadonly()
func mustMakeStatusReadonly() error {
status, err := status.New(codes.Unavailable, "service read-only").WithDetails(&errdetails.ErrorInfo{
Reason: v1.ErrorReason_name[int32(v1.ErrorReason_ERROR_REASON_SERVICE_READ_ONLY)],
Domain: spiceerrors.Domain,
})
if err != nil {
panic("error constructing shared error type")
}
return status.Err()
}
// NewSchemaWriteDataValidationError creates a new error representing that a schema write cannot be
// completed due to existing data that would be left unreferenced.
func NewSchemaWriteDataValidationError(message string, args ...any) ErrSchemaWriteDataValidation {
return ErrSchemaWriteDataValidation{
error: fmt.Errorf(message, args...),
}
}
// ErrSchemaWriteDataValidation occurs when a schema cannot be applied due to leaving data unreferenced.
type ErrSchemaWriteDataValidation struct {
error
}
// MarshalZerologObject implements zerolog object marshalling.
func (err ErrSchemaWriteDataValidation) MarshalZerologObject(e *zerolog.Event) {
e.Err(err.error)
}
// GRPCStatus implements retrieving the gRPC status for the error.
func (err ErrSchemaWriteDataValidation) GRPCStatus() *status.Status {
return spiceerrors.WithCodeAndDetails(
err,
codes.InvalidArgument,
spiceerrors.ForReason(
v1.ErrorReason_ERROR_REASON_SCHEMA_TYPE_ERROR,
map[string]string{},
),
)
}
// MaxDepthExceededError is an error returned when the maximum depth for dispatching has been exceeded.
type MaxDepthExceededError struct {
error
// AllowedMaximumDepth is the configured allowed maximum depth.
AllowedMaximumDepth uint32
}
// GRPCStatus implements retrieving the gRPC status for the error.
func (err MaxDepthExceededError) GRPCStatus() *status.Status {
return spiceerrors.WithCodeAndDetails(
err,
codes.ResourceExhausted,
spiceerrors.ForReason(
v1.ErrorReason_ERROR_REASON_MAXIMUM_DEPTH_EXCEEDED,
map[string]string{
"maximum_depth_allowed": strconv.Itoa(int(err.AllowedMaximumDepth)),
},
),
)
}
// NewMaxDepthExceededError creates a new MaxDepthExceededError.
func NewMaxDepthExceededError(allowedMaximumDepth uint32, isCheckRequest bool) error {
if isCheckRequest {
return MaxDepthExceededError{
fmt.Errorf("the check request has exceeded the allowable maximum depth of %d: this usually indicates a recursive or too deep data dependency. Try running zed with --explain to see the dependency. See: https://spicedb.dev/d/debug-max-depth-check", allowedMaximumDepth),
allowedMaximumDepth,
}
}
return MaxDepthExceededError{
fmt.Errorf("the request has exceeded the allowable maximum depth of %d: this usually indicates a recursive or too deep data dependency. See: https://spicedb.dev/d/debug-max-depth", allowedMaximumDepth),
allowedMaximumDepth,
}
}
func AsValidationError(err error) *ErrSchemaWriteDataValidation {
var validationErr ErrSchemaWriteDataValidation
if errors.As(err, &validationErr) {
return &validationErr
}
return nil
}
type ConfigForErrors struct {
MaximumAPIDepth uint32
}
func RewriteError(ctx context.Context, err error, config *ConfigForErrors) error {
// Check if the error can be directly used.
if _, ok := status.FromError(err); ok {
return err
}
// Otherwise, convert any graph/datastore errors.
var nsNotFoundError sharederrors.UnknownNamespaceError
var relationNotFoundError sharederrors.UnknownRelationError
var compilerError compiler.BaseCompilerError
var sourceError spiceerrors.ErrorWithSource
var typeError typesystem.TypeError
var maxDepthError dispatch.MaxDepthExceededError
switch {
case errors.As(err, &typeError):
return spiceerrors.WithCodeAndReason(err, codes.FailedPrecondition, v1.ErrorReason_ERROR_REASON_SCHEMA_TYPE_ERROR)
case errors.As(err, &compilerError):
return spiceerrors.WithCodeAndReason(err, codes.InvalidArgument, v1.ErrorReason_ERROR_REASON_SCHEMA_PARSE_ERROR)
case errors.As(err, &sourceError):
return spiceerrors.WithCodeAndReason(err, codes.InvalidArgument, v1.ErrorReason_ERROR_REASON_SCHEMA_PARSE_ERROR)
case errors.Is(err, cursor.ErrHashMismatch):
return spiceerrors.WithCodeAndReason(err, codes.FailedPrecondition, v1.ErrorReason_ERROR_REASON_INVALID_CURSOR)
case errors.As(err, &nsNotFoundError):
return spiceerrors.WithCodeAndReason(err, codes.FailedPrecondition, v1.ErrorReason_ERROR_REASON_UNKNOWN_DEFINITION)
case errors.As(err, &relationNotFoundError):
return spiceerrors.WithCodeAndReason(err, codes.FailedPrecondition, v1.ErrorReason_ERROR_REASON_UNKNOWN_RELATION_OR_PERMISSION)
case errors.As(err, &maxDepthError):
if config == nil {
return spiceerrors.MustBugf("missing config for API error")
}
_, isCheckRequest := maxDepthError.Request.(*dispatchv1.DispatchCheckRequest)
return NewMaxDepthExceededError(config.MaximumAPIDepth, isCheckRequest)
case errors.As(err, &datastore.ErrReadOnly{}):
return ErrServiceReadOnly
case errors.As(err, &datastore.ErrInvalidRevision{}):
return status.Errorf(codes.OutOfRange, "invalid zedtoken: %s", err)
case errors.As(err, &datastore.ErrReadOnly{}):
return ErrServiceReadOnly
case errors.As(err, &datastore.ErrCaveatNameNotFound{}):
return spiceerrors.WithCodeAndReason(err, codes.FailedPrecondition, v1.ErrorReason_ERROR_REASON_UNKNOWN_CAVEAT)
case errors.As(err, &datastore.ErrWatchDisabled{}):
return status.Errorf(codes.FailedPrecondition, "%s", err)
case errors.As(err, &graph.ErrInvalidArgument{}):
return status.Errorf(codes.InvalidArgument, "%s", err)
case errors.As(err, &graph.ErrRelationMissingTypeInfo{}):
return status.Errorf(codes.FailedPrecondition, "failed precondition: %s", err)
case errors.As(err, &graph.ErrAlwaysFail{}):
log.Ctx(ctx).Err(err).Msg("received internal error")
return status.Errorf(codes.Internal, "internal error: %s", err)
case errors.As(err, &graph.ErrUnimplemented{}):
return status.Errorf(codes.Unimplemented, "%s", err)
case errors.Is(err, context.DeadlineExceeded):
return status.Errorf(codes.DeadlineExceeded, "%s", err)
case errors.Is(err, context.Canceled):
err := context.Cause(ctx)
if err != nil {
if _, ok := status.FromError(err); ok {
return err
}
}
return status.Errorf(codes.Canceled, "%s", err)
default:
log.Ctx(ctx).Err(err).Msg("received unexpected error")
return err
}
}