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register_unix.go
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register_unix.go
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// SPDX-License-Identifier: BSD-3-Clause
// Copyright (c) 2022, Unikraft GmbH and The KraftKit Authors.
// Licensed under the BSD-3-Clause License (the "License").
// You may not use this file except in compliance with the License.
package volume
import (
"context"
"path/filepath"
zip "api.zip"
volumev1alpha1 "kraftkit.sh/api/volume/v1alpha1"
"kraftkit.sh/config"
"kraftkit.sh/kconfig"
ninepfs "kraftkit.sh/machine/volume/9pfs"
"kraftkit.sh/store"
)
var defaultStrategyName = "9pfs"
// hostSupportedStrategies returns the map of known supported drivers for the
// given host.
func hostSupportedStrategies() map[string]*Strategy {
return map[string]*Strategy{
"9pfs": {
IsCompatible: func(source string, _ kconfig.KeyValueMap) (bool, error) {
// TODO(nderjung): For now, it is OK to return true because this is the
// only supported driver. In the future, we should a). check if the
// provided source is a readable directory and b). check if the supplied
// KConfig of the machine indicates that 9pfs is indeed part of the
// build configuration.
return true, nil
},
NewVolumeV1alpha1: func(ctx context.Context, opts ...any) (volumev1alpha1.VolumeService, error) {
service, err := ninepfs.NewVolumeServiceV1alpha1(ctx, opts...)
if err != nil {
return nil, err
}
embeddedStore, err := store.NewEmbeddedStore[volumev1alpha1.VolumeSpec, volumev1alpha1.VolumeStatus](
filepath.Join(
config.G[config.KraftKit](ctx).RuntimeDir,
"volumev1alpha1",
),
)
if err != nil {
return nil, err
}
return volumev1alpha1.NewVolumeServiceHandler(
ctx,
service,
zip.WithStore[volumev1alpha1.VolumeSpec, volumev1alpha1.VolumeStatus](embeddedStore, zip.StoreRehydrationSpecNil),
)
},
},
}
}