func (cli Docker) SendCmdPull(image string, imagePullConfig *graph.ImagePullConfig) ([]byte, int, error) {
// We need to create a container via an image object. If the image
// is not stored locally, so we need to pull the image from the Docker HUB.
// Get a Repository name and tag name from the argument, but be careful
// with the Repository name with a port number. For example:
// localdomain:5000/samba/hipache:latest
repository, tag := parsers.ParseRepositoryTag(image)
if err := registry.ValidateRepositoryName(repository); err != nil {
return nil, -1, err
}
if tag == "" {
tag = "latest"
}
if len(tag) > 0 {
if err := tags.ValidateTagName(tag); err != nil {
return nil, -1, err
}
}
glog.V(3).Infof("The Repository is %s, and the tag is %s\n", repository, tag)
glog.V(3).Info("pull the image from the repository!\n")
err := cli.daemon.Repositories().Pull(repository, tag, imagePullConfig)
if err != nil {
return nil, -1, err
}
return nil, 200, nil
}
func (store *TagStore) LookupImage(name string) (*image.Image, error) {
// FIXME: standardize on returning nil when the image doesn't exist, and err for everything else
// (so we can pass all errors here)
glog.V(1).Infof("LookupImage Name is %s", name)
repoName, ref := parsers.ParseRepositoryTag(name)
if ref == "" {
ref = DEFAULTTAG
}
var (
err error
img *image.Image
)
img, err = store.GetImage(repoName, ref)
if err != nil {
return nil, err
}
if img != nil {
return img, err
}
// name must be an image ID.
store.Lock()
defer store.Unlock()
if img, err = store.graph.Get(name); err != nil {
glog.Error(err.Error())
return nil, err
}
return img, nil
}
func (b *Builder) pullImage(name string) (*imagepkg.Image, error) {
remote, tag := parsers.ParseRepositoryTag(name)
if tag == "" {
tag = "latest"
}
pullRegistryAuth := b.AuthConfig
if len(b.ConfigFile.AuthConfigs) > 0 {
// The request came with a full auth config file, we prefer to use that
repoInfo, err := b.Daemon.RegistryService.ResolveRepository(remote)
if err != nil {
return nil, err
}
resolvedAuth := registry.ResolveAuthConfig(b.ConfigFile, repoInfo.Index)
pullRegistryAuth = &resolvedAuth
}
imagePullConfig := &graph.ImagePullConfig{
AuthConfig: pullRegistryAuth,
OutStream: ioutils.NopWriteCloser(b.OutOld),
}
if err := b.Daemon.Repositories().Pull(remote, tag, imagePullConfig); err != nil {
return nil, err
}
image, err := b.Daemon.Repositories().LookupImage(name)
if err != nil {
return nil, err
}
return image, nil
}
func (daemon *Daemon) ContainerCreate(name string, config *runconfig.Config, hostConfig *runconfig.HostConfig) (string, []string, error) {
if config == nil {
return "", nil, fmt.Errorf("Config cannot be empty in order to create a container")
}
warnings, err := daemon.verifyContainerSettings(hostConfig)
if err != nil {
return "", warnings, err
}
// The check for a valid workdir path is made on the server rather than in the
// client. This is because we don't know the type of path (Linux or Windows)
// to validate on the client.
if config.WorkingDir != "" && !filepath.IsAbs(config.WorkingDir) {
return "", warnings, fmt.Errorf("The working directory '%s' is invalid. It needs to be an absolute path.", config.WorkingDir)
}
container, buildWarnings, err := daemon.Create(config, hostConfig, name)
if err != nil {
if daemon.Graph().IsNotExist(err, config.Image) {
_, tag := parsers.ParseRepositoryTag(config.Image)
if tag == "" {
tag = graph.DEFAULTTAG
}
return "", warnings, fmt.Errorf("No such image: %s (tag: %s)", config.Image, tag)
}
return "", warnings, err
}
warnings = append(warnings, buildWarnings...)
return container.ID, warnings, nil
}
func (cli *HyperClient) PullImage(imageName string) error {
remote, _ := parsers.ParseRepositoryTag(imageName)
// Resolve the Repository name from fqn to RepositoryInfo
repoInfo, err := registry.ParseRepositoryInfo(remote)
if err != nil {
return err
}
v := url.Values{}
v.Set("imageName", imageName)
_, _, err = cli.clientRequestAttemptLogin("POST", "/image/create?"+v.Encode(), nil, cli.out, repoInfo.Index, "pull")
return err
}
// CmdPush pushes an image or repository to the registry.
//
// Usage: hyper push NAME[:TAG]
func (cli *HyperClient) HyperCmdPush(args ...string) error {
// we need to get the image name which will be used to create a container
if len(args) == 0 {
return fmt.Errorf("\"push\" requires a minimum of 1 argument, please provide the image name.")
}
var parser = gflag.NewParser(nil, gflag.Default)
parser.Usage = "push NAME[:TAG]\n\nPush an image to a Docker registry server"
args, err := parser.Parse()
if err != nil {
if !strings.Contains(err.Error(), "Usage") {
return err
} else {
return nil
}
}
name := args[1]
remote, tag := parsers.ParseRepositoryTag(name)
// Resolve the Repository name from fqn to RepositoryInfo
repoInfo, err := registry.ParseRepositoryInfo(remote)
if err != nil {
return err
}
// Resolve the Auth config relevant for this server
authConfig := registry.ResolveAuthConfig(cli.configFile, repoInfo.Index)
// If we're not using a custom registry, we know the restrictions
// applied to repository names and can warn the user in advance.
// Custom repositories can have different rules, and we must also
// allow pushing by image ID.
if repoInfo.Official {
username := authConfig.Username
if username == "" {
username = "******"
}
return fmt.Errorf("You cannot push a \"root\" repository. Please rename your repository to <user>/<repo> (ex: %s/%s)", username, repoInfo.LocalName)
}
v := url.Values{}
v.Set("tag", tag)
v.Set("remote", remote)
_, _, err = cli.clientRequestAttemptLogin("POST", "/image/push?"+v.Encode(), nil, cli.out, repoInfo.Index, "push")
return err
}
func (cli Docker) SendContainerCommit(args ...string) ([]byte, int, error) {
containerId := args[0]
repo := args[1]
author := args[2]
change := args[3]
message := args[4]
pause := true
if args[5] == "no" {
pause = false
}
container, err := cli.daemon.Get(containerId)
if err != nil {
return nil, -1, err
}
var changes []string
if err := json.Unmarshal([]byte(change), &changes); err != nil {
return nil, -1, err
}
r, t := parsers.ParseRepositoryTag(repo)
if t == "" {
t = "latest"
}
containerCommitConfig := &daemon.ContainerCommitConfig{
Pause: pause,
Repo: r,
Tag: t,
Author: author,
Comment: message,
Changes: changes,
Config: container.Config,
}
imgID, err := builder.Commit(cli.daemon, containerId, containerCommitConfig)
if err != nil {
return nil, -1, err
}
return []byte(imgID), 0, nil
}
func Build(d *daemon.Daemon, buildConfig *Config) error {
var (
repoName string
tag string
context io.ReadCloser
)
repoName, tag = parsers.ParseRepositoryTag(buildConfig.RepoName)
if repoName != "" {
if err := registry.ValidateRepositoryName(repoName); err != nil {
glog.Error(err.Error())
return err
}
if len(tag) > 0 {
if err := tags.ValidateTagName(tag); err != nil {
glog.Error(err.Error())
return err
}
}
}
if buildConfig.RemoteURL == "" {
context = ioutil.NopCloser(buildConfig.Context)
} else if urlutil.IsGitURL(buildConfig.RemoteURL) {
root, err := utils.GitClone(buildConfig.RemoteURL)
if err != nil {
glog.Error(err.Error())
return err
}
defer os.RemoveAll(root)
c, err := archive.Tar(root, archive.Uncompressed)
if err != nil {
glog.Error(err.Error())
return err
}
context = c
} else if urlutil.IsURL(buildConfig.RemoteURL) {
f, err := httputils.Download(buildConfig.RemoteURL)
if err != nil {
glog.Error(err.Error())
return err
}
defer f.Body.Close()
dockerFile, err := ioutil.ReadAll(f.Body)
if err != nil {
glog.Error(err.Error())
return err
}
// When we're downloading just a Dockerfile put it in
// the default name - don't allow the client to move/specify it
buildConfig.DockerfileName = api.DefaultDockerfileName
c, err := archive.Generate(buildConfig.DockerfileName, string(dockerFile))
if err != nil {
return err
}
context = c
}
defer context.Close()
sf := streamformatter.NewJSONStreamFormatter()
hyper, err := GetDaemon()
if err != nil {
glog.Error(err.Error())
return err
}
vmId := "buildervm-" + rand.RandStr(10, "number")
defer func() {
glog.V(1).Infof("Kill VM(%s)...", vmId)
hyper.KillVm(vmId)
}()
builder := &Builder{
Daemon: d,
Name: vmId,
Hyperdaemon: hyper,
OutStream: &streamformatter.StdoutFormater{
Writer: buildConfig.Stdout,
StreamFormatter: sf,
},
ErrStream: &streamformatter.StderrFormater{
Writer: buildConfig.Stdout,
StreamFormatter: sf,
},
Verbose: !buildConfig.SuppressOutput,
UtilizeCache: !buildConfig.NoCache,
Remove: buildConfig.Remove,
ForceRemove: buildConfig.ForceRemove,
Pull: buildConfig.Pull,
OutOld: buildConfig.Stdout,
StreamFormatter: sf,
AuthConfig: buildConfig.AuthConfig,
ConfigFile: buildConfig.ConfigFile,
dockerfileName: buildConfig.DockerfileName,
cpuShares: buildConfig.CpuShares,
cpuPeriod: buildConfig.CpuPeriod,
cpuQuota: buildConfig.CpuQuota,
cpuSetCpus: buildConfig.CpuSetCpus,
cpuSetMems: buildConfig.CpuSetMems,
cgroupParent: buildConfig.CgroupParent,
memory: buildConfig.Memory,
memorySwap: buildConfig.MemorySwap,
cancelled: buildConfig.WaitCancelled(),
}
id, err := builder.Run(context)
if err != nil {
glog.Error(err.Error())
return err
}
if repoName != "" {
return d.Repositories().Tag(repoName, tag, id, true)
}
return nil
}
// hyper build [OPTIONS] PATH
func (cli *HyperClient) HyperCmdBuild(args ...string) error {
if len(args) == 0 {
return fmt.Errorf("%s ERROR: Can not accept the 'run' command without argument!\n", os.Args[0])
}
var opts struct {
ImageName string `long:"tag" short:"t" default:"" value-name:"\"\"" default-mask:"-" description:"Repository name (and optionally a tag) to be applied to the resulting image in case of success"`
DockerfileName string `long:"file" short:"f" default:"" value-name:"\"\"" default-mask:"-" description:"Customized docker file"`
}
var parser = gflag.NewParser(&opts, gflag.Default)
parser.Usage = "build [OPTIONS] PATH\n\nBuild a new image from the source code at PATH"
args, err := parser.Parse()
if err != nil {
if !strings.Contains(err.Error(), "Usage") {
return err
} else {
return nil
}
}
if len(args) == 0 {
return fmt.Errorf("%s: \"build\" requires a minimum of 1 argument, See 'hyper build --help'.", os.Args[0])
}
var (
filename = ""
context archive.Archive
name = ""
)
root := args[1]
if _, err := os.Stat(root); err != nil {
return err
}
absRoot, err := filepath.Abs(root)
if err != nil {
return err
}
filename = opts.DockerfileName // path to Dockerfile
if opts.DockerfileName == "" {
// No -f/--file was specified so use the default
opts.DockerfileName = api.DefaultDockerfileName
filename = filepath.Join(absRoot, opts.DockerfileName)
// Just to be nice ;-) look for 'dockerfile' too but only
// use it if we found it, otherwise ignore this check
if _, err = os.Lstat(filename); os.IsNotExist(err) {
tmpFN := path.Join(absRoot, strings.ToLower(opts.DockerfileName))
if _, err = os.Lstat(tmpFN); err == nil {
opts.DockerfileName = strings.ToLower(opts.DockerfileName)
filename = tmpFN
}
}
}
origDockerfile := opts.DockerfileName // used for error msg
if filename, err = filepath.Abs(filename); err != nil {
return err
}
// Verify that 'filename' is within the build context
filename, err = symlink.FollowSymlinkInScope(filename, absRoot)
if err != nil {
return fmt.Errorf("The Dockerfile (%s) must be within the build context (%s)", origDockerfile, root)
}
// Now reset the dockerfileName to be relative to the build context
opts.DockerfileName, err = filepath.Rel(absRoot, filename)
if err != nil {
return err
}
// And canonicalize dockerfile name to a platform-independent one
opts.DockerfileName, err = archive.CanonicalTarNameForPath(opts.DockerfileName)
if err != nil {
return fmt.Errorf("Cannot canonicalize dockerfile path %s: %v", opts.DockerfileName, err)
}
if _, err = os.Lstat(filename); os.IsNotExist(err) {
return fmt.Errorf("Cannot locate Dockerfile: %s", origDockerfile)
}
var includes = []string{"."}
excludes, err := utils.ReadDockerIgnore(path.Join(root, ".dockerignore"))
if err != nil {
return err
}
// If .dockerignore mentions .dockerignore or the Dockerfile
// then make sure we send both files over to the daemon
// because Dockerfile is, obviously, needed no matter what, and
// .dockerignore is needed to know if either one needs to be
// removed. The deamon will remove them for us, if needed, after it
// parses the Dockerfile.
keepThem1, _ := fileutils.Matches(".dockerignore", excludes)
keepThem2, _ := fileutils.Matches(opts.DockerfileName, excludes)
if keepThem1 || keepThem2 {
includes = append(includes, ".dockerignore", opts.DockerfileName)
}
if err := utils.ValidateContextDirectory(root, excludes); err != nil {
return fmt.Errorf("Error checking context: '%s'.", err)
}
options := &archive.TarOptions{
Compression: archive.Uncompressed,
ExcludePatterns: excludes,
IncludeFiles: includes,
}
context, err = archive.TarWithOptions(root, options)
if err != nil {
return err
}
var body io.Reader
// Setup an upload progress bar
// FIXME: ProgressReader shouldn't be this annoying to use
if context != nil {
sf := streamformatter.NewStreamFormatter()
body = progressreader.New(progressreader.Config{
In: context,
Out: os.Stdout,
Formatter: sf,
NewLines: true,
ID: "",
Action: "Sending build context to Docker daemon",
})
}
if opts.ImageName == "" {
// set a image name
name = rand.RandStr(10, "alphanum")
} else {
name = opts.ImageName
repository, tag := parsers.ParseRepositoryTag(name)
if err := registry.ValidateRepositoryName(repository); err != nil {
return err
}
if len(tag) > 0 {
if err := tags.ValidateTagName(tag); err != nil {
return err
}
}
}
v := url.Values{}
v.Set("name", name)
headers := http.Header(make(map[string][]string))
if context != nil {
headers.Set("Content-Type", "application/tar")
}
err = cli.stream("POST", "/image/build?"+v.Encode(), body, cli.out, headers)
if err != nil {
return err
}
return nil
}
func (daemon *Daemon) imgDeleteHelper(name string, list *[]types.ImageDelete, first, force, noprune bool) error {
var (
repoName, tag string
tags = []string{}
)
repoAndTags := make(map[string][]string)
// FIXME: please respect DRY and centralize repo+tag parsing in a single central place! -- shykes
repoName, tag = parsers.ParseRepositoryTag(name)
if tag == "" {
tag = graph.DEFAULTTAG
}
if name == "" {
return fmt.Errorf("Image name can not be blank")
}
img, err := daemon.Repositories().LookupImage(name)
if err != nil {
if r, _ := daemon.Repositories().Get(repoName); r != nil {
return fmt.Errorf("No such image: %s", utils.ImageReference(repoName, tag))
}
return fmt.Errorf("No such image: %s", name)
}
if strings.Contains(img.ID, name) {
repoName = ""
tag = ""
}
byParents, err := daemon.Graph().ByParent()
if err != nil {
return err
}
repos := daemon.Repositories().ByID()[img.ID]
//If delete by id, see if the id belong only to one repository
deleteByID := repoName == ""
if deleteByID {
for _, repoAndTag := range repos {
parsedRepo, parsedTag := parsers.ParseRepositoryTag(repoAndTag)
if repoName == "" || repoName == parsedRepo {
repoName = parsedRepo
if parsedTag != "" {
repoAndTags[repoName] = append(repoAndTags[repoName], parsedTag)
}
} else if repoName != parsedRepo && !force && first {
// the id belongs to multiple repos, like base:latest and user:test,
// in that case return conflict
return fmt.Errorf("Conflict, cannot delete image %s because it is tagged in multiple repositories, use -f to force", name)
} else {
//the id belongs to multiple repos, with -f just delete all
repoName = parsedRepo
if parsedTag != "" {
repoAndTags[repoName] = append(repoAndTags[repoName], parsedTag)
}
}
}
} else {
repoAndTags[repoName] = append(repoAndTags[repoName], tag)
}
if !first && len(repoAndTags) > 0 {
return nil
}
if len(repos) <= 1 || (len(repoAndTags) <= 1 && deleteByID) {
if err := daemon.canDeleteImage(img.ID, force); err != nil {
return err
}
}
// Untag the current image
for repoName, tags := range repoAndTags {
for _, tag := range tags {
tagDeleted, err := daemon.Repositories().Delete(repoName, tag)
if err != nil {
return err
}
if tagDeleted {
*list = append(*list, types.ImageDelete{
Untagged: utils.ImageReference(repoName, tag),
})
daemon.EventsService.Log("untag", img.ID, "")
}
}
}
tags = daemon.Repositories().ByID()[img.ID]
if (len(tags) <= 1 && repoName == "") || len(tags) == 0 {
if len(byParents[img.ID]) == 0 {
if err := daemon.Repositories().DeleteAll(img.ID); err != nil {
return err
}
if err := daemon.Graph().Delete(img.ID); err != nil {
return err
}
*list = append(*list, types.ImageDelete{
Deleted: img.ID,
})
daemon.EventsService.Log("delete", img.ID, "")
if img.Parent != "" && !noprune {
err := daemon.imgDeleteHelper(img.Parent, list, false, force, noprune)
if first {
return err
}
}
}
}
return nil
}
