func (to *tagOptions) Execute(args []string) error {
ts, err := env.DefaultTagStore()
if err != nil {
panic(err)
}
if to.Resolve {
if len(args) < 1 {
return fmt.Errorf("Specify a repo:tag to resolve\n")
}
id, err := ts.Lookup(args[0])
if err != nil {
return fmt.Errorf("Unable to resolve tag: %s\n", args[0])
}
fmt.Printf("%s\n", id)
return nil
}
if to.Del {
if len(args) < 1 {
return fmt.Errorf("Specify a repo:tag to delete\n")
}
repo, tag := env.ParseRepositoryTag(args[0])
ts.RemoveTag(repo, tag)
} else {
if len(args) < 2 {
return fmt.Errorf("Specify a repo:tag and id to add\n")
}
repo, tag := env.ParseRepositoryTag(args[0])
id, ok := env.SafelyExpandImageID(args[1])
if !ok {
return fmt.Errorf("Unable to find image matching '%s'\n", args[1])
}
ts.Add(repo, tag, id)
}
ts.Flush()
return nil
}
func (co *commitOptions) Execute(args []string) error {
if err := app.CheckArity(1, 1, args); err != nil {
return err
}
id := utils.ExpandID(env.DIR, args[0])
cont, err := env.LoadContainer(env.DIR, id)
if err != nil {
return fmt.Errorf("Unable to load %s: %s\n", id, err)
}
ts, err := env.DefaultTagStore()
if err != nil {
return err
}
img, err := cont.Commit(co.Comment, co.Author, nil, co.Squash, false)
if err != nil {
return fmt.Errorf("Unable to create image: %s\n", err)
}
repo, tag := env.ParseRepositoryTag(args[1])
ts.Add(repo, tag, img.ID)
ts.Flush()
return 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 (io *importOptions) Execute(args []string) error {
if err := app.CheckArity(2, 2, args); err != nil {
return err
}
dir := args[0]
i := &Importer{dir, nil, nil}
name, tag := env.ParseRepositoryTag(args[1])
fmt.Printf("Importing %s:%s...\n", name, tag)
repoPath := path.Join(i.dir, "repositories")
data, err := ioutil.ReadFile(repoPath)
if err != nil {
return err
}
i.tags = &env.TagStore{}
err = json.Unmarshal(data, &i.tags)
if err != nil {
return err
}
sub := i.tags.Repositories[name]
if sub == nil {
return fmt.Errorf("No repo named %s found\n", name)
}
hash, ok := sub[tag]
if !ok {
return fmt.Errorf("No tag named %s found\n", tag)
}
i.sysTags = &env.TagStore{}
sysPath := path.Join(env.DIR, "repositories")
sysData, err := ioutil.ReadFile(sysPath)
if err != nil {
i.sysTags.Repositories = make(map[string]env.Repository)
} else {
err = json.Unmarshal(sysData, &i.sysTags)
if err != nil {
return err
}
}
i.importLayer(hash)
sysData, err = json.Marshal(i.sysTags)
if err != nil {
return err
}
ioutil.WriteFile(sysPath, sysData, 0644)
return 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")
}