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package praefect
import (
"fmt"
"gitlab.com/gitlab-org/gitaly/v16/internal/praefect/datastore"
"gitlab.com/gitlab-org/gitaly/v16/proto/go/gitalypb"
"golang.org/x/sync/errgroup"
"google.golang.org/grpc"
)
// RemoveAllHandler intercepts RemoveAll calls, deletes the database records
// before calling each gitaly.
func RemoveAllHandler(rs datastore.RepositoryStore, conns Connections) grpc.StreamHandler {
return func(_ interface{}, stream grpc.ServerStream) error {
var req gitalypb.RemoveAllRequest
if err := stream.RecvMsg(&req); err != nil {
return fmt.Errorf("receive request: %w", err)
}
ctx := stream.Context()
virtualStorage := req.StorageName
if err := rs.DeleteAllRepositories(ctx, virtualStorage); err != nil {
return fmt.Errorf("delete all db repositories: %w", err)
}
group, ctx := errgroup.WithContext(ctx)
for storage, conn := range conns[virtualStorage] {
rewrittenStorage := storage
conn := conn
group.Go(func() error {
_, err := gitalypb.NewRepositoryServiceClient(conn).RemoveAll(ctx, &gitalypb.RemoveAllRequest{
StorageName: rewrittenStorage,
})
return err
})
}
if err := group.Wait(); err != nil {
return err
}
return stream.SendMsg(&gitalypb.RemoveAllResponse{})
}
}
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