crierrors.go

package crierrors

import "errors"
import "google.golang.org/grpc/codes"
import "google.golang.org/grpc/status"

var (
        // ErrNotFound is a an error epresenting an object not found
        // like a pod or a container.
        ErrNotFound = errors.New("cri: not found")

        // ErrUnknown is for errors that don't fit other classification
        ErrUnknown = errors.New("cri: unknown error")
)

// IsNotFound is a helper to check if an error is ErrNotFound.
func IsNotFound(err error) bool {
        return errors.Is(err, ErrNotFound)
}

// FromGRPCError maps grpc error codes to CRI errors.
func FromGRPCError(err error) (cerr error) {
        if err == nil {
                return nil
        }

        s, ok := status.FromError(err)
        if !ok {
                return err
        }

        switch s.Code() {
        case codes.NotFound:
                cerr = ErrNotFound
        case codes.Unknown:
                cerr = ErrUnknown
        }

        return cerr
}