func (so *s3Options) Execute(args []string) error {
if err := app.CheckArity(1, 1, args); err != nil {
return err
}
repo := args[0]
s3 := s3.New(awsAuth, awsRegion)
buk := s3.Bucket(defBucket)
data, err := buk.Get("/binary/repos/repositories")
if err != nil {
return err
}
ts := &env.TagStore{}
err = json.Unmarshal(data, &ts)
id, err := ts.Lookup(repo)
if err != nil {
return err
}
dts, err := env.DefaultTagStore()
if err != nil {
return err
}
i := &Importer{tags: ts, sysTags: dts}
if !so.Force {
if i.alreadyExists(id) {
return fmt.Errorf("Already have %s, skipping download\n", utils.TruncateID(id))
}
}
fmt.Printf("Downloading %s (%s)\n", repo, utils.TruncateID(id))
err = i.download(buk, id)
dts.Flush()
return err
}
func LoadTagStore(root string) (*TagStore, error) {
tags, err := ReadRepoFile(path.Join(root, "repositories"))
if err != nil {
return nil, err
}
dir, err := ioutil.ReadDir(path.Join(root, "graph"))
if err != nil {
return nil, err
}
tags.Entries = make(Entries)
for _, ent := range dir {
id := ent.Name()
img := &Image{}
img.ID = id
data, err := ioutil.ReadFile(path.Join(root, "graph", id, "json"))
if err != nil {
continue
}
err = json.Unmarshal(data, &img)
if err != nil {
return nil, err
}
tags.Entries[id] = img
}
for id, img := range tags.Entries {
if img.Parent != "" {
par, ok := tags.Entries[img.Parent]
if ok {
img.parentImage = par
} else {
fmt.Fprintf(os.Stderr, "Unable to find parent image %s for %s\n",
utils.TruncateID(img.Parent), id)
}
}
}
return tags, nil
}
func nukeImage(no *nukeOptions, id string) error {
ts, err := env.DefaultTagStore()
if err != nil {
return err
}
img, err := ts.LookupImage(id)
if err == nil {
repo, tag := env.ParseRepositoryTag(id)
ts.RemoveTag(repo, tag)
} else {
long := env.ExpandImageID(id)
var ok bool
img, ok = ts.Entries[long]
if !ok {
return fmt.Errorf("Unable to find repo '%s'\n", id)
} else {
err = nil
}
if !no.Force && ts.UsedAsParent(long) {
return fmt.Errorf("%s is a parent image, not removing (use -force to force)\n", id)
}
}
if img != nil {
otherRepo, _ := ts.Find(img.ID)
if otherRepo != "" {
fmt.Printf("Removing %s tag on %s only\n", id, utils.TruncateID(img.ID))
} else {
fmt.Printf("Nuking image %s..\n", id)
img.Remove()
}
} else {
return fmt.Errorf("Error locating image: %s\n", err)
}
return ts.Flush()
}
func (b *buildFile) BuildTar(tar string) error {
defer b.cleanup()
b.context = "/"
if err := b.CmdFrom(""); err != nil {
return err
}
if err := b.CmdAdd(tar + " /"); err != nil {
return err
}
if err := b.container.ToDisk(); err != nil {
return err
}
if b.outImage != "" {
img, err := b.container.Commit("", "", nil, b.squash, true)
if err != nil {
return err
}
ts, err := env.DefaultTagStore()
if err != nil {
return err
}
repo, tag := env.ParseRepositoryTag(b.outImage)
ts.Add(repo, tag, img.ID)
ts.Flush()
fmt.Fprintf(b.out, "Built %s successfully\n", b.outImage)
return nil
}
b.saveContainer = true
fmt.Fprintf(b.out, "Successfully built %s\n", utils.TruncateID(b.container.ID))
return nil
}
func (container *Container) Commit(comment, author string, config *Config, squash bool, fast bool) (*Image, error) {
if config == nil {
config = container.Config
} else {
MergeConfig(config, container.Config)
}
img := &Image{
ID: utils.GenerateID(),
Parent: container.Image,
Comment: comment,
Created: time.Now(),
ContainerConfig: *container.Config,
Author: author,
Config: config,
Architecture: "x86_64",
}
logv("Creating image %s", utils.TruncateID(img.ID))
root := path.Join(DIR, "graph", "_armktmp-"+img.ID)
os.MkdirAll(root, 0755)
layerPath := path.Join(root, "layer")
if squash {
layerFs := path.Join(root, "layer.fs")
logv("Generating squashfs...")
utils.Run("mksquashfs", container.rwPath(), layerFs, "-comp", "xz")
} else {
if false {
logv("Moving data directly into image...")
utils.Run("mv", container.rwPath(), layerPath)
} else {
logv("Copying data into image...")
utils.Run("cp", "-a", container.rwPath(), layerPath)
}
}
jsonData, err := json.Marshal(img)
if err != nil {
panic(err)
}
err = ioutil.WriteFile(path.Join(root, "json"), jsonData, 0644)
if err != nil {
panic(err)
}
err = os.Rename(root, path.Join(DIR, "graph", img.ID))
if err != nil {
panic(err)
}
return img, nil
}
func (b *buildFile) Build(context string) error {
defer b.cleanup()
b.context = context
if _, err := os.Stat(path.Join(context, "build.sh")); err == nil {
fmt.Printf("Step 0: Execute build.sh on host\n")
utils.Shell("cd " + context + "; bash ./build.sh")
}
dockerfile, err := os.Open(path.Join(context, "Dockerfile"))
if err != nil {
return fmt.Errorf("Can't build a directory with no Dockerfile")
}
file := bufio.NewReader(dockerfile)
stepN := 0
for {
select {
case <-b.abort:
fmt.Printf("Aborting...\n")
if b.container != nil {
b.container.Remove()
}
return ErrAbort
default:
// continue
}
line, err := file.ReadString('\n')
if err != nil {
if err == io.EOF && line == "" {
break
} else if err != io.EOF {
return err
}
}
line = strings.Trim(strings.Replace(line, "\t", " ", -1), " \t\r\n")
// Skip comments and empty line
if len(line) == 0 || line[0] == '#' {
continue
}
tmp := strings.SplitN(line, " ", 2)
if len(tmp) != 2 {
return fmt.Errorf("Invalid Dockerfile format")
}
instruction := strings.ToLower(strings.Trim(tmp[0], " "))
arguments := strings.Trim(tmp[1], " ")
method, exists := reflect.TypeOf(b).MethodByName("Cmd" + strings.ToUpper(instruction[:1]) + strings.ToLower(instruction[1:]))
if !exists {
fmt.Fprintf(b.out, "# Skipping unknown instruction %s\n", strings.ToUpper(instruction))
continue
}
stepN += 1
fmt.Fprintf(b.out, "Step %d : %s %s\n", stepN, strings.ToUpper(instruction), arguments)
ret := method.Func.Call([]reflect.Value{reflect.ValueOf(b), reflect.ValueOf(arguments)})[0].Interface()
if ret != nil {
return ret.(error)
}
}
b.config.Cmd = nil
err = b.container.ToDisk()
if err != nil {
return err
}
if b.experiment {
b.CmdRun("/bin/bash")
return nil
}
if b.image != "" && b.outImage != "" {
img, err := b.container.Commit("", "", nil, b.squash, true)
if err != nil {
return err
}
ts, err := env.DefaultTagStore()
if err != nil {
return err
}
repo, tag := env.ParseRepositoryTag(b.outImage)
ts.Add(repo, tag, img.ID)
ts.Flush()
fmt.Fprintf(b.out, "Built %s successfully\n", b.outImage)
return nil
}
if b.image != "" {
b.saveContainer = true
fmt.Fprintf(b.out, "Successfully built %s\n", utils.TruncateID(b.container.ID))
return nil
}
return fmt.Errorf("An error occured during the build\n")
}
func (io *imagesOptions) Execute(args []string) error {
if err := app.CheckArity(0, 1, args); err != nil {
return err
}
var repoDir string
if len(args) > 0 {
repoDir = args[0]
fmt.Printf("Loading tag store from: %s\n", repoDir)
} else {
repoDir = env.DIR
}
// TODO(kev): Don't hardcode file name
ts, err := env.LoadTagStore(repoDir)
if err != nil {
return fmt.Errorf("No images: %s\n", err)
}
w := tabwriter.NewWriter(os.Stdout, 20, 1, 3, ' ', 0)
if io.Verbose {
fmt.Fprintf(w, "REPO\tTAG\tID\tPARENT\tCREATED\n")
} else {
fmt.Fprintf(w, "REPO\tTAG\tID\n")
}
var repos []string
for repo, _ := range ts.Repositories {
repos = append(repos, repo)
}
sort.Strings(repos)
for _, repo := range repos {
tags := ts.Repositories[repo]
var stags []string
for tag, _ := range tags {
stags = append(stags, tag)
}
sort.Strings(stags)
for _, tag := range stags {
id := tags[tag]
if io.Verbose {
img := ts.Entries[id]
if img == nil {
fmt.Fprintf(w, "%s\t%s\t%s\t%s\t%s\n", repo, tag, utils.TruncateID(id), "?", "?")
} else {
fmt.Fprintf(w, "%s\t%s\t%s\t%s\t%s\n", repo, tag, utils.TruncateID(id),
utils.TruncateID(img.Parent), img.Created)
}
} else {
fmt.Fprintf(w, "%s\t%s\t%s\n", repo, tag, utils.TruncateID(id))
}
}
}
w.Flush()
return nil
}