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use cached images instead of fetching the same image again

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Docker-DCO-1.1-Signed-off-by: Daniel, Dao Quang Minh <dqminh89@gmail.com> (github: dqminh)
Upstream-commit: a2a50aa35ab58f52b68a65acfe668c26b765608f
Component: engine
This commit is contained in:
Daniel, Dao Quang Minh
2014-11-11 15:15:00 -05:00
parent 9ca9222a81
commit 69e802489e
1 changed files with 3 additions and 3 deletions
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6
components/engine/daemon/daemon.go
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@ -1090,9 +1090,9 @@ func (daemon *Daemon) ImageGetCached(imgID string, config *runconfig.Config) (*i
// Loop on the children of the given image and check the config
var match *image.Image
for elem := range imageMap[imgID] {
img, err := daemon.Graph().Get(elem)
if err != nil {
return nil, err
img, ok := images[elem]
if !ok {
return nil, fmt.Errorf("unable to find image %q", elem)
}
if runconfig.Compare(&img.ContainerConfig, config) {
if match == nil || match.Created.Before(img.Created) {