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7864108ff1
Users are complaining about read/only /var/tmp failing even if TMPDIR=/tmp is set. This PR Fixes: https://github.com/containers/podman/issues/10698 [NO TESTS NEEDED] No way to test this. Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
47 lines
1.1 KiB
Go
47 lines
1.1 KiB
Go
package libimage
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import (
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"fmt"
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"io"
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"io/ioutil"
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"net/http"
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"os"
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"github.com/pkg/errors"
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)
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// tmpdir returns a path to a temporary directory.
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func tmpdir() string {
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tmpdir := os.Getenv("TMPDIR")
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if tmpdir == "" {
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tmpdir = "/var/tmp"
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}
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return tmpdir
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}
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// downloadFromURL downloads an image in the format "https:/example.com/myimage.tar"
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// and temporarily saves in it $TMPDIR/importxyz, which is deleted after the image is imported
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func (r *Runtime) downloadFromURL(source string) (string, error) {
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fmt.Printf("Downloading from %q\n", source)
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outFile, err := ioutil.TempFile(r.systemContext.BigFilesTemporaryDir, "import")
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if err != nil {
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return "", errors.Wrap(err, "error creating file")
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}
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defer outFile.Close()
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response, err := http.Get(source) // nolint:noctx
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if err != nil {
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return "", errors.Wrapf(err, "error downloading %q", source)
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}
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defer response.Body.Close()
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_, err = io.Copy(outFile, response.Body)
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if err != nil {
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return "", errors.Wrapf(err, "error saving %s to %s", source, outFile.Name())
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}
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return outFile.Name(), nil
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}
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