github/linuxkit
1
0
Fork 0
mirror of https://github.com/linuxkit/linuxkit.git synced 2025-07-22 02:21:34 +00:00
Code Issues Projects Releases Wiki Activity

Use IsErrNotFound to tighten err handling

Browse Source 
Signed-off-by: Riyaz Faizullabhoy <riyaz.faizullabhoy@docker.com>
This commit is contained in:
Riyaz Faizullabhoy 2017-04-28 10:50:58 -07:00
parent d504afe479
commit 95a9a4ff67
1 changed files with 14 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

23
cmd/moby/image.go
View File

@ -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
@ -102,16 +103,20 @@ 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
log.Infof("Pull image: %s", image)
err := dockerPull(image, trust)
if err != nil {
return fmt.Errorf("Could not pull image %s: %v", image, err)
}
container, err = dockerCreate(image)
if err != nil {
return fmt.Errorf("Failed to docker create image %s: %v", image, err)
// 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 {
return fmt.Errorf("Could not pull image %s: %v", image, err)
}
container, err = dockerCreate(image)
if err != nil {
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 {