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package stubs
import (
"context"
"fmt"
"github.com/containers/image/v5/internal/blobinfocache"
"github.com/containers/image/v5/internal/private"
"github.com/containers/image/v5/types"
)
// NoPutBlobPartialInitialize implements parts of private.ImageDestination
// for transports that don’t support PutBlobPartial().
// See NoPutBlobPartial() below.
type NoPutBlobPartialInitialize struct {
transportName string
}
// NoPutBlobPartial creates a NoPutBlobPartialInitialize for ref.
func NoPutBlobPartial(ref types.ImageReference) NoPutBlobPartialInitialize {
return NoPutBlobPartialRaw(ref.Transport().Name())
}
// NoPutBlobPartialRaw is the same thing as NoPutBlobPartial, but it can be used
// in situations where no ImageReference is available.
func NoPutBlobPartialRaw(transportName string) NoPutBlobPartialInitialize {
return NoPutBlobPartialInitialize{
transportName: transportName,
}
}
// SupportsPutBlobPartial returns true if PutBlobPartial is supported.
func (stub NoPutBlobPartialInitialize) SupportsPutBlobPartial() bool {
return false
}
// PutBlobPartial attempts to create a blob using the data that is already present
// at the destination. chunkAccessor is accessed in a non-sequential way to retrieve the missing chunks.
// It is available only if SupportsPutBlobPartial().
// Even if SupportsPutBlobPartial() returns true, the call can fail, in which case the caller
// should fall back to PutBlobWithOptions.
func (stub NoPutBlobPartialInitialize) PutBlobPartial(ctx context.Context, chunkAccessor private.BlobChunkAccessor, srcInfo types.BlobInfo, cache blobinfocache.BlobInfoCache2) (private.UploadedBlob, error) {
return private.UploadedBlob{}, fmt.Errorf("internal error: PutBlobPartial is not supported by the %q transport", stub.transportName)
}
// ImplementsPutBlobPartial implements SupportsPutBlobPartial() that returns true.
type ImplementsPutBlobPartial struct{}
// SupportsPutBlobPartial returns true if PutBlobPartial is supported.
func (stub ImplementsPutBlobPartial) SupportsPutBlobPartial() bool {
return true
}
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