func (srv *Server) ImageInsert(name, url, path string, out io.Writer, sf *utils.StreamFormatter) (string, error) {
out = utils.NewWriteFlusher(out)
img, err := srv.runtime.repositories.LookupImage(name)
if err != nil {
return "", err
}
file, err := utils.Download(url, out)
if err != nil {
return "", err
}
defer file.Body.Close()
config, _, _, err := ParseRun([]string{img.ID, "echo", "insert", url, path}, srv.runtime.capabilities)
if err != nil {
return "", err
}
b := NewBuilder(srv.runtime)
c, err := b.Create(config)
if err != nil {
return "", err
}
if err := c.Inject(utils.ProgressReader(file.Body, int(file.ContentLength), out, sf.FormatProgress("Downloading", "%v/%v (%v)"), sf), path); err != nil {
return "", err
}
// FIXME: Handle custom repo, tag comment, author
img, err = b.Commit(c, "", "", img.Comment, img.Author, nil)
if err != nil {
return "", err
}
out.Write(sf.FormatStatus(img.ID))
return img.ShortID(), nil
}
func (b *buildFile) addRemote(container *Container, orig, dest string) error {
file, err := utils.Download(orig, ioutil.Discard)
if err != nil {
return err
}
defer file.Body.Close()
// If the destination is a directory, figure out the filename.
if strings.HasSuffix(dest, "/") {
u, err := url.Parse(orig)
if err != nil {
return err
}
path := u.Path
if strings.HasSuffix(path, "/") {
path = path[:len(path)-1]
}
parts := strings.Split(path, "/")
filename := parts[len(parts)-1]
if filename == "" {
return fmt.Errorf("cannot determine filename from url: %s", u)
}
dest = dest + filename
}
return container.Inject(file.Body, dest)
}
func (b *buildFile) CmdInsert(args string) error {
if b.image == "" {
return fmt.Errorf("Please provide a source image with `from` prior to insert")
}
tmp := strings.SplitN(args, " ", 2)
if len(tmp) != 2 {
return fmt.Errorf("Invalid INSERT format")
}
sourceUrl := strings.Trim(tmp[0], " ")
destPath := strings.Trim(tmp[1], " ")
file, err := utils.Download(sourceUrl, b.out)
if err != nil {
return err
}
defer file.Body.Close()
b.config.Cmd = []string{"echo", "INSERT", sourceUrl, "in", destPath}
cid, err := b.run()
if err != nil {
return err
}
container := b.runtime.Get(cid)
if container == nil {
return fmt.Errorf("An error occured while creating the container")
}
if err := container.Inject(file.Body, destPath); err != nil {
return err
}
return b.commit(cid)
}
func (srv *Server) ImageInsert(name, url, path string, out io.Writer) error {
out = utils.NewWriteFlusher(out)
img, err := srv.runtime.repositories.LookupImage(name)
if err != nil {
return err
}
file, err := utils.Download(url, out)
if err != nil {
return err
}
defer file.Body.Close()
config, _, err := ParseRun([]string{img.Id, "echo", "insert", url, path}, srv.runtime.capabilities)
if err != nil {
return err
}
b := NewBuilder(srv.runtime)
c, err := b.Create(config)
if err != nil {
return err
}
if err := c.Inject(utils.ProgressReader(file.Body, int(file.ContentLength), out, "Downloading %v/%v (%v)\r", false), path); err != nil {
return err
}
// FIXME: Handle custom repo, tag comment, author
img, err = b.Commit(c, "", "", img.Comment, img.Author, nil)
if err != nil {
return err
}
fmt.Fprintf(out, "%s\n", img.Id)
return nil
}
func (b *buildFile) addRemote(container *Container, orig, dest string) error {
file, err := utils.Download(orig, ioutil.Discard)
if err != nil {
return err
}
defer file.Body.Close()
return container.Inject(file.Body, dest)
}
func (srv *Server) ImageImport(src, repo, tag string, in io.Reader, out io.Writer, sf *utils.StreamFormatter) error {
var archive io.Reader
var resp *http.Response
if src == "-" {
archive = in
} else {
u, err := url.Parse(src)
if err != nil {
return err
}
if u.Scheme == "" {
u.Scheme = "http"
u.Host = src
u.Path = ""
}
out.Write(sf.FormatStatus("Downloading from %s", u))
// Download with curl (pretty progress bar)
// If curl is not available, fallback to http.Get()
resp, err = utils.Download(u.String(), out)
if err != nil {
return err
}
archive = utils.ProgressReader(resp.Body, int(resp.ContentLength), out, sf.FormatProgress("Importing", "%v/%v (%v)"), sf)
}
img, err := srv.runtime.graph.Create(archive, nil, "Imported from "+src, "", nil)
if err != nil {
return err
}
// Optionally register the image at REPO/TAG
if repo != "" {
if err := srv.runtime.repositories.Set(repo, tag, img.ID, true); err != nil {
return err
}
}
out.Write(sf.FormatStatus(img.ShortID()))
return nil
}
func postBuild(srv *Server, version float64, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
if version < 1.3 {
return fmt.Errorf("Multipart upload for build is no longer supported. Please upgrade your docker client.")
}
remoteURL := r.FormValue("remote")
repoName := r.FormValue("t")
rawSuppressOutput := r.FormValue("q")
rawNoCache := r.FormValue("nocache")
rawRm := r.FormValue("rm")
repoName, tag := utils.ParseRepositoryTag(repoName)
var context io.Reader
if remoteURL == "" {
context = r.Body
} else if utils.IsGIT(remoteURL) {
if !strings.HasPrefix(remoteURL, "git://") {
remoteURL = "https://" + remoteURL
}
root, err := ioutil.TempDir("", "docker-build-git")
if err != nil {
return err
}
defer os.RemoveAll(root)
if output, err := exec.Command("git", "clone", remoteURL, root).CombinedOutput(); err != nil {
return fmt.Errorf("Error trying to use git: %s (%s)", err, output)
}
c, err := archive.Tar(root, archive.Bzip2)
if err != nil {
return err
}
context = c
} else if utils.IsURL(remoteURL) {
f, err := utils.Download(remoteURL, ioutil.Discard)
if err != nil {
return err
}
defer f.Body.Close()
dockerFile, err := ioutil.ReadAll(f.Body)
if err != nil {
return err
}
c, err := MkBuildContext(string(dockerFile), nil)
if err != nil {
return err
}
context = c
}
suppressOutput, err := getBoolParam(rawSuppressOutput)
if err != nil {
return err
}
noCache, err := getBoolParam(rawNoCache)
if err != nil {
return err
}
rm, err := getBoolParam(rawRm)
if err != nil {
return err
}
b := NewBuildFile(srv, utils.NewWriteFlusher(w), !suppressOutput, !noCache, rm)
id, err := b.Build(context)
if err != nil {
return fmt.Errorf("Error build: %s", err)
}
if repoName != "" {
srv.runtime.repositories.Set(repoName, tag, id, false)
}
return nil
}
func (b *buildFile) CmdAdd(args string) error {
if b.context == nil {
return fmt.Errorf("No context given. Impossible to use ADD")
}
tmp := strings.SplitN(args, " ", 2)
if len(tmp) != 2 {
return fmt.Errorf("Invalid ADD format")
}
orig, err := b.ReplaceEnvMatches(strings.Trim(tmp[0], " \t"))
if err != nil {
return err
}
dest, err := b.ReplaceEnvMatches(strings.Trim(tmp[1], " \t"))
if err != nil {
return err
}
cmd := b.config.Cmd
b.config.Cmd = []string{"/bin/sh", "-c", fmt.Sprintf("#(nop) ADD %s in %s", orig, dest)}
b.config.Image = b.image
var (
origPath = orig
destPath = dest
remoteHash string
isRemote bool
)
if utils.IsURL(orig) {
// Initiate the download
isRemote = true
resp, err := utils.Download(orig)
if err != nil {
return err
}
// Create a tmp dir
tmpDirName, err := ioutil.TempDir(b.contextPath, "docker-remote")
if err != nil {
return err
}
// Create a tmp file within our tmp dir
tmpFileName := path.Join(tmpDirName, "tmp")
tmpFile, err := os.OpenFile(tmpFileName, os.O_RDWR|os.O_CREATE|os.O_EXCL, 0600)
if err != nil {
return err
}
defer os.RemoveAll(tmpDirName)
// Download and dump result to tmp file
if _, err := io.Copy(tmpFile, resp.Body); err != nil {
tmpFile.Close()
return err
}
tmpFile.Close()
origPath = path.Join(filepath.Base(tmpDirName), filepath.Base(tmpFileName))
// Process the checksum
r, err := archive.Tar(tmpFileName, archive.Uncompressed)
if err != nil {
return err
}
tarSum := utils.TarSum{Reader: r, DisableCompression: true}
remoteHash = tarSum.Sum(nil)
r.Close()
// If the destination is a directory, figure out the filename.
if strings.HasSuffix(dest, "/") {
u, err := url.Parse(orig)
if err != nil {
return err
}
path := u.Path
if strings.HasSuffix(path, "/") {
path = path[:len(path)-1]
}
parts := strings.Split(path, "/")
filename := parts[len(parts)-1]
if filename == "" {
return fmt.Errorf("cannot determine filename from url: %s", u)
}
destPath = dest + filename
}
}
if err := b.checkPathForAddition(origPath); err != nil {
return err
}
// Hash path and check the cache
if b.utilizeCache {
var (
hash string
sums = b.context.GetSums()
)
if remoteHash != "" {
hash = remoteHash
} else if fi, err := os.Stat(path.Join(b.contextPath, origPath)); err != nil {
return err
} else if fi.IsDir() {
var subfiles []string
for file, sum := range sums {
absFile := path.Join(b.contextPath, file)
absOrigPath := path.Join(b.contextPath, origPath)
if strings.HasPrefix(absFile, absOrigPath) {
subfiles = append(subfiles, sum)
}
}
sort.Strings(subfiles)
hasher := sha256.New()
hasher.Write([]byte(strings.Join(subfiles, ",")))
hash = "dir:" + hex.EncodeToString(hasher.Sum(nil))
} else {
if origPath[0] == '/' && len(origPath) > 1 {
origPath = origPath[1:]
}
origPath = strings.TrimPrefix(origPath, "./")
if h, ok := sums[origPath]; ok {
hash = "file:" + h
}
}
b.config.Cmd = []string{"/bin/sh", "-c", fmt.Sprintf("#(nop) ADD %s in %s", hash, dest)}
hit, err := b.probeCache()
if err != nil {
return err
}
// If we do not have a hash, never use the cache
if hit && hash != "" {
return nil
}
}
// Create the container and start it
container, _, err := b.runtime.Create(b.config, "")
if err != nil {
return err
}
b.tmpContainers[container.ID] = struct{}{}
if err := container.Mount(); err != nil {
return err
}
defer container.Unmount()
if err := b.addContext(container, origPath, destPath, isRemote); err != nil {
return err
}
if err := b.commit(container.ID, cmd, fmt.Sprintf("ADD %s in %s", orig, dest)); err != nil {
return err
}
b.config.Cmd = cmd
return nil
}
func postBuild(srv *Server, version float64, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
if version < 1.3 {
return fmt.Errorf("Multipart upload for build is no longer supported. Please upgrade your docker client.")
}
remoteURL := r.FormValue("remote")
repoName := r.FormValue("t")
tag := ""
if strings.Contains(repoName, ":") {
remoteParts := strings.Split(repoName, ":")
tag = remoteParts[1]
repoName = remoteParts[0]
}
var context io.Reader
if remoteURL == "" {
context = r.Body
} else if utils.IsGIT(remoteURL) {
if !strings.HasPrefix(remoteURL, "git://") {
remoteURL = "https://" + remoteURL
}
root, err := ioutil.TempDir("", "docker-build-git")
if err != nil {
return err
}
defer os.RemoveAll(root)
if output, err := exec.Command("git", "clone", remoteURL, root).CombinedOutput(); err != nil {
return fmt.Errorf("Error trying to use git: %s (%s)", err, output)
}
c, err := Tar(root, Bzip2)
if err != nil {
return err
}
context = c
} else if utils.IsURL(remoteURL) {
f, err := utils.Download(remoteURL, ioutil.Discard)
if err != nil {
return err
}
defer f.Body.Close()
dockerFile, err := ioutil.ReadAll(f.Body)
if err != nil {
return err
}
c, err := mkBuildContext(string(dockerFile), nil)
if err != nil {
return err
}
context = c
}
b := NewBuildFile(srv, utils.NewWriteFlusher(w))
id, err := b.Build(context)
if err != nil {
fmt.Fprintf(w, "Error build: %s\n", err)
return err
}
if repoName != "" {
srv.runtime.repositories.Set(repoName, tag, id, false)
}
return nil
}
func postBuild(srv *Server, version float64, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
if version < 1.3 {
return fmt.Errorf("Multipart upload for build is no longer supported. Please upgrade your docker client.")
}
var (
remoteURL = r.FormValue("remote")
repoName = r.FormValue("t")
rawSuppressOutput = r.FormValue("q")
rawNoCache = r.FormValue("nocache")
rawRm = r.FormValue("rm")
authEncoded = r.Header.Get("X-Registry-Auth")
authConfig = &auth.AuthConfig{}
configFileEncoded = r.Header.Get("X-Registry-Config")
configFile = &auth.ConfigFile{}
tag string
)
repoName, tag = utils.ParseRepositoryTag(repoName)
// This block can be removed when API versions prior to 1.9 are deprecated.
// Both headers will be parsed and sent along to the daemon, but if a non-empty
// ConfigFile is present, any value provided as an AuthConfig directly will
// be overridden. See BuildFile::CmdFrom for details.
if version < 1.9 && authEncoded != "" {
authJson := base64.NewDecoder(base64.URLEncoding, strings.NewReader(authEncoded))
if err := json.NewDecoder(authJson).Decode(authConfig); err != nil {
// for a pull it is not an error if no auth was given
// to increase compatibility with the existing api it is defaulting to be empty
authConfig = &auth.AuthConfig{}
}
}
if configFileEncoded != "" {
configFileJson := base64.NewDecoder(base64.URLEncoding, strings.NewReader(configFileEncoded))
if err := json.NewDecoder(configFileJson).Decode(configFile); err != nil {
// for a pull it is not an error if no auth was given
// to increase compatibility with the existing api it is defaulting to be empty
configFile = &auth.ConfigFile{}
}
}
var context io.Reader
if remoteURL == "" {
context = r.Body
} else if utils.IsGIT(remoteURL) {
if !strings.HasPrefix(remoteURL, "git://") {
remoteURL = "https://" + remoteURL
}
root, err := ioutil.TempDir("", "docker-build-git")
if err != nil {
return err
}
defer os.RemoveAll(root)
if output, err := exec.Command("git", "clone", remoteURL, root).CombinedOutput(); err != nil {
return fmt.Errorf("Error trying to use git: %s (%s)", err, output)
}
c, err := archive.Tar(root, archive.Uncompressed)
if err != nil {
return err
}
context = c
} else if utils.IsURL(remoteURL) {
f, err := utils.Download(remoteURL)
if err != nil {
return err
}
defer f.Body.Close()
dockerFile, err := ioutil.ReadAll(f.Body)
if err != nil {
return err
}
c, err := MkBuildContext(string(dockerFile), nil)
if err != nil {
return err
}
context = c
}
suppressOutput, err := getBoolParam(rawSuppressOutput)
if err != nil {
return err
}
noCache, err := getBoolParam(rawNoCache)
if err != nil {
return err
}
rm, err := getBoolParam(rawRm)
if err != nil {
return err
}
if version >= 1.8 {
w.Header().Set("Content-Type", "application/json")
}
sf := utils.NewStreamFormatter(version >= 1.8)
b := NewBuildFile(srv,
&StdoutFormater{
Writer: utils.NewWriteFlusher(w),
StreamFormatter: sf,
},
&StderrFormater{
Writer: utils.NewWriteFlusher(w),
StreamFormatter: sf,
},
!suppressOutput, !noCache, rm, utils.NewWriteFlusher(w), sf, authConfig, configFile)
id, err := b.Build(context)
if err != nil {
if sf.Used() {
w.Write(sf.FormatError(err))
return nil
}
return fmt.Errorf("Error build: %s", err)
}
if repoName != "" {
srv.runtime.repositories.Set(repoName, tag, id, false)
}
return nil
}
func (b *buildFile) CmdAdd(args string) error {
if b.context == "" {
return fmt.Errorf("No context given. Impossible to use ADD")
}
tmp := strings.SplitN(args, " ", 2)
if len(tmp) != 2 {
return fmt.Errorf("Invalid ADD format")
}
orig, err := b.ReplaceEnvMatches(strings.Trim(tmp[0], " \t"))
if err != nil {
return err
}
dest, err := b.ReplaceEnvMatches(strings.Trim(tmp[1], " \t"))
if err != nil {
return err
}
cmd := b.config.Cmd
b.config.Cmd = []string{"/bin/sh", "-c", fmt.Sprintf("#(nop) ADD %s in %s", orig, dest)}
b.config.Image = b.image
origPath := orig
destPath := dest
clobberTimes := false
if utils.IsURL(orig) {
clobberTimes = true
resp, err := utils.Download(orig)
if err != nil {
return err
}
tmpDirName, err := ioutil.TempDir(b.context, "docker-remote")
if err != nil {
return err
}
tmpFileName := path.Join(tmpDirName, "tmp")
tmpFile, err := os.OpenFile(tmpFileName, os.O_RDWR|os.O_CREATE|os.O_EXCL, 0600)
if err != nil {
return err
}
defer os.RemoveAll(tmpDirName)
if _, err = io.Copy(tmpFile, resp.Body); err != nil {
return err
}
origPath = path.Join(filepath.Base(tmpDirName), filepath.Base(tmpFileName))
tmpFile.Close()
// If the destination is a directory, figure out the filename.
if strings.HasSuffix(dest, "/") {
u, err := url.Parse(orig)
if err != nil {
return err
}
path := u.Path
if strings.HasSuffix(path, "/") {
path = path[:len(path)-1]
}
parts := strings.Split(path, "/")
filename := parts[len(parts)-1]
if filename == "" {
return fmt.Errorf("cannot determine filename from url: %s", u)
}
destPath = dest + filename
}
}
if err := b.checkPathForAddition(origPath); err != nil {
return err
}
// Hash path and check the cache
if b.utilizeCache {
hash, err := b.hashPath(b.context, origPath, clobberTimes)
if err != nil {
return err
}
b.config.Cmd = []string{"/bin/sh", "-c", fmt.Sprintf("#(nop) ADD %s in %s", hash, dest)}
hit, err := b.probeCache()
if err != nil {
return err
}
if hit {
return nil
}
}
// Create the container and start it
container, _, err := b.runtime.Create(b.config, "")
if err != nil {
return err
}
b.tmpContainers[container.ID] = struct{}{}
if err := container.EnsureMounted(); err != nil {
return err
}
defer container.Unmount()
if err := b.addContext(container, origPath, destPath); err != nil {
return err
}
if err := b.commit(container.ID, cmd, fmt.Sprintf("ADD %s in %s", orig, dest)); err != nil {
return err
}
b.config.Cmd = cmd
return nil
}
func (b *buildFile) CmdAdd(args string) error {
if b.context == nil {
return fmt.Errorf("No context given. Impossible to use ADD")
}
tmp := strings.SplitN(args, " ", 2)
if len(tmp) != 2 {
return fmt.Errorf("Invalid ADD format")
}
orig, err := b.ReplaceEnvMatches(strings.Trim(tmp[0], " \t"))
if err != nil {
return err
}
dest, err := b.ReplaceEnvMatches(strings.Trim(tmp[1], " \t"))
if err != nil {
return err
}
cmd := b.config.Cmd
b.config.Cmd = []string{"/bin/sh", "-c", fmt.Sprintf("#(nop) ADD %s in %s", orig, dest)}
b.config.Image = b.image
// FIXME: do we really need this?
var (
origPath = orig
destPath = dest
)
if utils.IsURL(orig) {
resp, err := utils.Download(orig)
if err != nil {
return err
}
tmpDirName, err := ioutil.TempDir(b.contextPath, "docker-remote")
if err != nil {
return err
}
tmpFileName := path.Join(tmpDirName, "tmp")
tmpFile, err := os.OpenFile(tmpFileName, os.O_RDWR|os.O_CREATE|os.O_EXCL, 0600)
if err != nil {
return err
}
defer os.RemoveAll(tmpDirName)
if _, err = io.Copy(tmpFile, resp.Body); err != nil {
return err
}
origPath = path.Join(filepath.Base(tmpDirName), filepath.Base(tmpFileName))
tmpFile.Close()
// If the destination is a directory, figure out the filename.
if strings.HasSuffix(dest, "/") {
u, err := url.Parse(orig)
if err != nil {
return err
}
path := u.Path
if strings.HasSuffix(path, "/") {
path = path[:len(path)-1]
}
parts := strings.Split(path, "/")
filename := parts[len(parts)-1]
if filename == "" {
return fmt.Errorf("cannot determine filename from url: %s", u)
}
destPath = dest + filename
}
}
if err := b.checkPathForAddition(origPath); err != nil {
return err
}
// Hash path and check the cache
if b.utilizeCache {
var (
hash string
sums = b.context.GetSums()
)
if fi, err := os.Stat(path.Join(b.contextPath, origPath)); err != nil {
return err
} else if fi.IsDir() {
var subfiles []string
for file, sum := range sums {
if strings.HasPrefix(file, origPath) {
subfiles = append(subfiles, sum)
}
}
sort.Strings(subfiles)
hasher := sha256.New()
hasher.Write([]byte(strings.Join(subfiles, ",")))
hash = "dir:" + hex.EncodeToString(hasher.Sum(nil))
} else {
hash = "file:" + sums[origPath]
}
b.config.Cmd = []string{"/bin/sh", "-c", fmt.Sprintf("#(nop) ADD %s in %s", hash, dest)}
hit, err := b.probeCache()
if err != nil {
return err
}
if hit {
return nil
}
}
// Create the container and start it
container, _, err := b.runtime.Create(b.config, "")
if err != nil {
return err
}
b.tmpContainers[container.ID] = struct{}{}
if err := container.EnsureMounted(); err != nil {
return err
}
defer container.Unmount()
if err := b.addContext(container, origPath, destPath); err != nil {
return err
}
if err := b.commit(container.ID, cmd, fmt.Sprintf("ADD %s in %s", orig, dest)); err != nil {
return err
}
b.config.Cmd = cmd
return nil
}
func (builder *Builder) Build(dockerfile io.Reader, stdout io.Writer) (*Image, error) {
var (
image, base *Image
config *Config
maintainer string
env map[string]string = make(map[string]string)
tmpContainers map[string]struct{} = make(map[string]struct{})
tmpImages map[string]struct{} = make(map[string]struct{})
)
defer builder.clearTmp(tmpContainers, tmpImages)
file := bufio.NewReader(dockerfile)
for {
line, err := file.ReadString('\n')
if err != nil {
if err == io.EOF {
break
}
return nil, err
}
line = strings.Replace(strings.TrimSpace(line), " ", " ", 1)
// Skip comments and empty line
if len(line) == 0 || line[0] == '#' {
continue
}
tmp := strings.SplitN(line, " ", 2)
if len(tmp) != 2 {
return nil, fmt.Errorf("Invalid Dockerfile format")
}
instruction := strings.Trim(tmp[0], " ")
arguments := strings.Trim(tmp[1], " ")
switch strings.ToLower(instruction) {
case "from":
fmt.Fprintf(stdout, "FROM %s\n", arguments)
image, err = builder.runtime.repositories.LookupImage(arguments)
if err != nil {
// if builder.runtime.graph.IsNotExist(err) {
// var tag, remote string
// if strings.Contains(arguments, ":") {
// remoteParts := strings.Split(arguments, ":")
// tag = remoteParts[1]
// remote = remoteParts[0]
// } else {
// remote = arguments
// }
// panic("TODO: reimplement this")
// // if err := builder.runtime.graph.PullRepository(stdout, remote, tag, builder.runtime.repositories, builder.runtime.authConfig); err != nil {
// // return nil, err
// // }
// image, err = builder.runtime.repositories.LookupImage(arguments)
// if err != nil {
// return nil, err
// }
// } else {
return nil, err
// }
}
config = &Config{}
break
case "maintainer":
fmt.Fprintf(stdout, "MAINTAINER %s\n", arguments)
maintainer = arguments
break
case "run":
fmt.Fprintf(stdout, "RUN %s\n", arguments)
if image == nil {
return nil, fmt.Errorf("Please provide a source image with `from` prior to run")
}
config, _, err := ParseRun([]string{image.Id, "/bin/sh", "-c", arguments}, builder.runtime.capabilities)
if err != nil {
return nil, err
}
for key, value := range env {
config.Env = append(config.Env, fmt.Sprintf("%s=%s", key, value))
}
if cache, err := builder.getCachedImage(image, config); err != nil {
return nil, err
} else if cache != nil {
image = cache
fmt.Fprintf(stdout, "===> %s\n", image.ShortId())
break
}
utils.Debugf("Env -----> %v ------ %v\n", config.Env, env)
// Create the container and start it
c, err := builder.Create(config)
if err != nil {
return nil, err
}
if os.Getenv("DEBUG") != "" {
out, _ := c.StdoutPipe()
err2, _ := c.StderrPipe()
go io.Copy(os.Stdout, out)
go io.Copy(os.Stdout, err2)
}
if err := c.Start(); err != nil {
return nil, err
}
tmpContainers[c.Id] = struct{}{}
// Wait for it to finish
if result := c.Wait(); result != 0 {
return nil, fmt.Errorf("!!! '%s' return non-zero exit code '%d'. Aborting.", arguments, result)
}
// Commit the container
base, err = builder.Commit(c, "", "", "", maintainer, nil)
if err != nil {
return nil, err
}
tmpImages[base.Id] = struct{}{}
fmt.Fprintf(stdout, "===> %s\n", base.ShortId())
// use the base as the new image
image = base
break
case "env":
tmp := strings.SplitN(arguments, " ", 2)
if len(tmp) != 2 {
return nil, fmt.Errorf("Invalid ENV format")
}
key := strings.Trim(tmp[0], " ")
value := strings.Trim(tmp[1], " ")
fmt.Fprintf(stdout, "ENV %s %s\n", key, value)
env[key] = value
if image != nil {
fmt.Fprintf(stdout, "===> %s\n", image.ShortId())
} else {
fmt.Fprintf(stdout, "===> <nil>\n")
}
break
case "cmd":
fmt.Fprintf(stdout, "CMD %s\n", arguments)
// Create the container and start it
c, err := builder.Create(&Config{Image: image.Id, Cmd: []string{"", ""}})
if err != nil {
return nil, err
}
if err := c.Start(); err != nil {
return nil, err
}
tmpContainers[c.Id] = struct{}{}
cmd := []string{}
if err := json.Unmarshal([]byte(arguments), &cmd); err != nil {
return nil, err
}
config.Cmd = cmd
// Commit the container
base, err = builder.Commit(c, "", "", "", maintainer, config)
if err != nil {
return nil, err
}
tmpImages[base.Id] = struct{}{}
fmt.Fprintf(stdout, "===> %s\n", base.ShortId())
image = base
break
case "expose":
ports := strings.Split(arguments, " ")
fmt.Fprintf(stdout, "EXPOSE %v\n", ports)
if image == nil {
return nil, fmt.Errorf("Please provide a source image with `from` prior to copy")
}
// Create the container and start it
c, err := builder.Create(&Config{Image: image.Id, Cmd: []string{"", ""}})
if err != nil {
return nil, err
}
if err := c.Start(); err != nil {
return nil, err
}
tmpContainers[c.Id] = struct{}{}
config.PortSpecs = append(ports, config.PortSpecs...)
// Commit the container
base, err = builder.Commit(c, "", "", "", maintainer, config)
if err != nil {
return nil, err
}
tmpImages[base.Id] = struct{}{}
fmt.Fprintf(stdout, "===> %s\n", base.ShortId())
image = base
break
case "insert":
if image == nil {
return nil, fmt.Errorf("Please provide a source image with `from` prior to copy")
}
tmp = strings.SplitN(arguments, " ", 2)
if len(tmp) != 2 {
return nil, fmt.Errorf("Invalid INSERT format")
}
sourceUrl := strings.Trim(tmp[0], " ")
destPath := strings.Trim(tmp[1], " ")
fmt.Fprintf(stdout, "COPY %s to %s in %s\n", sourceUrl, destPath, base.ShortId())
file, err := utils.Download(sourceUrl, stdout)
if err != nil {
return nil, err
}
defer file.Body.Close()
config, _, err := ParseRun([]string{base.Id, "echo", "insert", sourceUrl, destPath}, builder.runtime.capabilities)
if err != nil {
return nil, err
}
c, err := builder.Create(config)
if err != nil {
return nil, err
}
if err := c.Start(); err != nil {
return nil, err
}
// Wait for echo to finish
if result := c.Wait(); result != 0 {
return nil, fmt.Errorf("!!! '%s' return non-zero exit code '%d'. Aborting.", arguments, result)
}
if err := c.Inject(file.Body, destPath); err != nil {
return nil, err
}
base, err = builder.Commit(c, "", "", "", maintainer, nil)
if err != nil {
return nil, err
}
fmt.Fprintf(stdout, "===> %s\n", base.ShortId())
image = base
break
default:
fmt.Fprintf(stdout, "Skipping unknown instruction %s\n", strings.ToUpper(instruction))
}
}
if image != nil {
// The build is successful, keep the temporary containers and images
for i := range tmpImages {
delete(tmpImages, i)
}
for i := range tmpContainers {
delete(tmpContainers, i)
}
fmt.Fprintf(stdout, "Build finished. image id: %s\n", image.ShortId())
return image, nil
}
return nil, fmt.Errorf("An error occured during the build\n")
}
