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package compat
import (
"fmt"
"net/http"
"os"
"github.com/containers/podman/v4/libpod"
"github.com/containers/podman/v4/pkg/api/handlers/utils"
api "github.com/containers/podman/v4/pkg/api/types"
)
func ExportContainer(w http.ResponseWriter, r *http.Request) {
runtime := r.Context().Value(api.RuntimeKey).(*libpod.Runtime)
name := utils.GetName(r)
con, err := runtime.LookupContainer(name)
if err != nil {
utils.ContainerNotFound(w, name, err)
return
}
tmpfile, err := os.CreateTemp("", "api.tar")
if err != nil {
utils.Error(w, http.StatusInternalServerError, fmt.Errorf("unable to create tempfile: %w", err))
return
}
defer os.Remove(tmpfile.Name())
if err := tmpfile.Close(); err != nil {
utils.Error(w, http.StatusInternalServerError, fmt.Errorf("unable to close tempfile: %w", err))
return
}
if err := con.Export(tmpfile.Name()); err != nil {
utils.Error(w, http.StatusInternalServerError, fmt.Errorf("failed to save image: %w", err))
return
}
rdr, err := os.Open(tmpfile.Name())
if err != nil {
utils.Error(w, http.StatusInternalServerError, fmt.Errorf("failed to read the exported tarfile: %w", err))
return
}
defer rdr.Close()
utils.WriteResponse(w, http.StatusOK, rdr)
}
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