package compat import ( "io/ioutil" "net/http" "os" "github.com/containers/libpod/v2/libpod" "github.com/containers/libpod/v2/pkg/api/handlers/utils" "github.com/pkg/errors" ) func ExportContainer(w http.ResponseWriter, r *http.Request) { runtime := r.Context().Value("runtime").(*libpod.Runtime) name := utils.GetName(r) con, err := runtime.LookupContainer(name) if err != nil { utils.ContainerNotFound(w, name, err) return } tmpfile, err := ioutil.TempFile("", "api.tar") if err != nil { utils.Error(w, "unable to create tarball tempfile", http.StatusInternalServerError, errors.Wrap(err, "unable to create tempfile")) return } defer os.Remove(tmpfile.Name()) if err := tmpfile.Close(); err != nil { utils.Error(w, "unable to close tempfile", http.StatusInternalServerError, errors.Wrap(err, "unable to close tempfile")) return } if err := con.Export(tmpfile.Name()); err != nil { utils.Error(w, "failed to save the image", http.StatusInternalServerError, errors.Wrap(err, "failed to save image")) return } rdr, err := os.Open(tmpfile.Name()) if err != nil { utils.Error(w, "failed to read temp tarball", http.StatusInternalServerError, errors.Wrap(err, "failed to read the exported tarfile")) return } defer rdr.Close() utils.WriteResponse(w, http.StatusOK, rdr) }