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