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Merge pull request #12 from riyazdf/img-not-found-err

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Use IsErrNotFound to tighten err handling
This commit is contained in:
Justin Cormack 2017-05-01 11:22:28 +01:00 committed by GitHub
commit 0b149e7c83
1 changed files with 14 additions and 9 deletions
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7
cmd/moby/image.go
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@ -9,6 +9,7 @@ import (
"strings"
log "github.com/Sirupsen/logrus"
"github.com/docker/docker/client"
)
// This uses Docker to convert a Docker image into a tarball. It would be an improvement if we
@ -102,7 +103,8 @@ func imageTar(image, prefix string, tw *tar.Writer, trust bool, pull bool) error
}
container, err := dockerCreate(image)
if err != nil {
// most likely we need to pull the image if this failed
// if the image wasn't found, pull it down. Bail on other errors.
if client.IsErrNotFound(err) {
log.Infof("Pull image: %s", image)
err := dockerPull(image, trust)
if err != nil {
@ -113,6 +115,9 @@ func imageTar(image, prefix string, tw *tar.Writer, trust bool, pull bool) error
return fmt.Errorf("Failed to docker create image %s: %v", image, err)
}
}
return fmt.Errorf("Failed to create docker image %s: %v", image, err)
}
contents, err := dockerExport(container)
if err != nil {
return fmt.Errorf("Failed to docker export container from container %s: %v", container, err)