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Fix cache miss issue within docker build

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This commit is contained in:
Guillaume J. Charmes 2013-05-29 16:10:11 -07:00
parent b6165daa77
commit 560a74af15
2 changed files with 22 additions and 20 deletions
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23
buildfile.go
View file

@ -98,12 +98,14 @@ func (b *buildFile) CmdRun(args string) error {
utils.Debugf("Commang to be executed: %v", b.config.Cmd)
if cache, err := b.srv.ImageGetCached(b.image, config); err != nil {
if cache, err := b.srv.ImageGetCached(b.image, b.config); err != nil {
return err
} else if cache != nil {
utils.Debugf("Use cached version")
utils.Debugf("[BUILDER] Use cached version")
b.image = cache.Id
return nil
} else {
utils.Debugf("[BUILDER] Cache miss")
}
cid, err := b.run()
@ -182,7 +184,11 @@ func (b *buildFile) CmdInsert(args string) error {
if err := container.Inject(file.Body, destPath); err != nil {
return err
}
return b.commit(cid, cmd, fmt.Sprintf("INSERT %s in %s", sourceUrl, destPath))
if err := b.commit(cid, cmd, fmt.Sprintf("INSERT %s in %s", sourceUrl, destPath)); err != nil {
return err
}
b.config.Cmd = cmd
return nil
}
func (b *buildFile) CmdAdd(args string) error {
@ -271,6 +277,17 @@ func (b *buildFile) commit(id string, autoCmd []string, comment string) error {
b.config.Image = b.image
if id == "" {
b.config.Cmd = []string{"/bin/sh", "-c", "#(nop) " + comment}
if cache, err := b.srv.ImageGetCached(b.image, b.config); err != nil {
return err
} else if cache != nil {
utils.Debugf("[BUILDER] Use cached version")
b.image = cache.Id
return nil
} else {
utils.Debugf("[BUILDER] Cache miss")
}
if cid, err := b.run(); err != nil {
return err
} else {

19
server.go
View file

@ -720,28 +720,13 @@ func (srv *Server) ImageDelete(name string) error {
}
func (srv *Server) ImageGetCached(imgId string, config *Config) (*Image, error) {
// Retrieve all images
images, err := srv.runtime.graph.All()
byParent, err := srv.runtime.graph.ByParent()
if err != nil {
return nil, err
}
// Store the tree in a map of map (map[parentId][childId])
imageMap := make(map[string]map[string]struct{})
for _, img := range images {
if _, exists := imageMap[img.Parent]; !exists {
imageMap[img.Parent] = make(map[string]struct{})
}
imageMap[img.Parent][img.Id] = struct{}{}
}
// Loop on the children of the given image and check the config
for elem := range imageMap[imgId] {
img, err := srv.runtime.graph.Get(elem)
if err != nil {
return nil, err
}
for _, img := range byParent[imgId] {
if CompareConfig(&img.ContainerConfig, config) {
return img, nil
}