tvl-depot/tvix/nar-bridge/pkg/server/directory_upload.go
Florian Klink 07af692ecb refactor(tvix/nar-bridge): simplify CLI interface
Only keep the `serve` subcommand, and make it appear at the root.
Introduce a --log-level argument, and be a bit less noisy in normal
operation.

Change-Id: I86b8abde1869a5c0c947508bcc29f845222aac09
Reviewed-on: https://cl.tvl.fyi/c/depot/+/9360
Autosubmit: flokli <flokli@flokli.de>
Reviewed-by: Connor Brewster <cbrewster@hey.com>
Tested-by: BuildkiteCI
2023-09-18 14:02:28 +00:00

66 lines
1.9 KiB
Go

package server
import (
"context"
"encoding/base64"
"fmt"
storev1pb "code.tvl.fyi/tvix/store/protos"
log "github.com/sirupsen/logrus"
)
type DirectoriesUploader struct {
ctx context.Context
directoryServiceClient storev1pb.DirectoryServiceClient
directoryServicePutStream storev1pb.DirectoryService_PutClient
}
func NewDirectoriesUploader(ctx context.Context, directoryServiceClient storev1pb.DirectoryServiceClient) *DirectoriesUploader {
return &DirectoriesUploader{
ctx: ctx,
directoryServiceClient: directoryServiceClient,
directoryServicePutStream: nil,
}
}
func (du *DirectoriesUploader) Put(directory *storev1pb.Directory) error {
directoryDgst, err := directory.Digest()
if err != nil {
return fmt.Errorf("failed calculating directory digest: %w", err)
}
// Send the directory to the directory service
// If the stream hasn't been initialized yet, do it first
if du.directoryServicePutStream == nil {
directoryServicePutStream, err := du.directoryServiceClient.Put(du.ctx)
if err != nil {
return fmt.Errorf("unable to initialize directory service put stream: %v", err)
}
du.directoryServicePutStream = directoryServicePutStream
}
// send the directory out
err = du.directoryServicePutStream.Send(directory)
if err != nil {
return fmt.Errorf("error sending directory: %w", err)
}
log.WithField("digest", base64.StdEncoding.EncodeToString(directoryDgst)).Debug("uploaded directory")
return nil
}
// Done is called whenever we're
func (du *DirectoriesUploader) Done() (*storev1pb.PutDirectoryResponse, error) {
// only close once, and only if we opened.
if du.directoryServicePutStream == nil {
return nil, nil
}
putDirectoryResponse, err := du.directoryServicePutStream.CloseAndRecv()
if err != nil {
return nil, fmt.Errorf("unable to close directory service put stream: %v", err)
}
du.directoryServicePutStream = nil
return putDirectoryResponse, nil
}