// DownloaderForSource determines what SCM plugin should be used for downloading
// the sources from the repository.
func DownloaderForSource(s string, forceCopy bool) (build.Downloader, string, error) {
glog.V(4).Infof("DownloadForSource %s", s)
details, mods := git.ParseFile(s)
glog.V(4).Infof("return from ParseFile file exists %v proto specified %v use copy %v", details.FileExists, details.ProtoSpecified, details.UseCopy)
if details.FileExists && details.BadRef {
return nil, s, fmt.Errorf("local location referenced by %s exists but the input after the # is malformed", s)
}
if details.FileExists && mods != nil {
glog.V(4).Infof("new source from parse file %s", mods.Path)
if details.ProtoSpecified {
s = mods.Path
} else {
// prepending with file:// is a precautionary step which previous incarnations of this code did; we
// preserve that behavior (it is more explicit, if not absolutely necessary; but we do it here as was done before
// vs. down in our generic git layer (which is leveraged separately in origin)
s = "file://" + mods.Path
}
}
if details.FileExists && (details.UseCopy || forceCopy) {
return &file.File{util.NewFileSystem()}, s, nil
}
// If the source is valid GIT protocol (file://, ssh://, git://, git@, etc..) use GIT
// binary to download the sources
g := git.New()
if g.ValidCloneSpec(s) {
return &git.Clone{g, util.NewFileSystem()}, s, nil
}
return nil, s, fmt.Errorf("no downloader defined for location: %q", s)
}
// DownloaderForSource determines what SCM plugin should be used for downloading
// the sources from the repository.
func DownloaderForSource(s string) (build.Downloader, string, error) {
glog.V(4).Infof("DownloadForSource %s", s)
details, mods := git.ParseFile(s)
glog.V(4).Infof("return from ParseFile file exists %v proto specified %v use copy %v", details.FileExists, details.ProtoSpecified, details.UseCopy)
if details.FileExists && details.BadRef {
return nil, s, fmt.Errorf("local location referenced by %s exists but the input after the # is malformed", s)
}
if details.FileExists && mods != nil {
glog.V(4).Infof("new path from parse file %s", mods.Path)
s = mods.Path
}
if details.FileExists && details.UseCopy {
return &file.File{util.NewFileSystem()}, s, nil
}
// If the source is valid GIT protocol (file://, ssh://, git://, git@, etc..) use GIT
// binary to download the sources
g := git.New()
if g.ValidCloneSpec(s) {
return &git.Clone{g, util.NewFileSystem()}, s, nil
}
return nil, s, fmt.Errorf("no downloader defined for location: %q", s)
}
// DownloaderForSource determines what SCM plugin should be used for downloading
// the sources from the repository.
func DownloaderForSource(s string) (build.Downloader, string, error) {
details, _ := git.ParseFile(s)
if details.FileExists && details.UseCopy {
if !details.ProtoSpecified {
// since not using git, any resulting URLs need to be explicit with file:// protocol specified
s = "file://" + s
}
return &file.File{util.NewFileSystem()}, s, nil
}
if details.ProtoSpecified && !details.FileExists {
return nil, s, fmt.Errorf("local location: %s does not exist", s)
}
if !details.ProtoSpecified && details.FileExists {
// if local file system, without file://, when using git, should not need file://, but we'll be safe;
// satisfies previous constructed test case in scm_test.go as well
s = "file://" + s
}
// If the source is valid GIT remote protocol (ssh://, git://, git@, etc..) use GIT
// binary to download the sources
g := git.New()
if g.ValidCloneSpec(s) {
return &git.Clone{g, util.NewFileSystem()}, s, nil
}
return nil, s, fmt.Errorf("no downloader defined for location: %q", s)
}
// DownloaderForSource determines what SCM plugin should be used for downloading
// the sources from the repository.
func DownloaderForSource(s string) build.Downloader {
// If the source starts with file:// and there is no GIT binary, use 'file'
// SCM plugin
if (strings.HasPrefix(s, "file://") || strings.HasPrefix(s, "/")) && !hasGitBinary() {
return &file.File{util.NewFileSystem()}
}
g := git.New()
if g.ValidCloneSpec(s) {
return &git.Clone{g, util.NewFileSystem()}
}
glog.Errorf("No downloader defined for %q source URL", s)
return nil
}
// StreamFileAsTar streams the source file as a tar archive.
// The permissions of the file is changed to 0666.
func (t *stiTar) StreamDirAsTar(source, dest string, writer io.Writer) error {
f, err := os.Open(source)
if err != nil {
return err
}
if info, _ := f.Stat(); !info.IsDir() {
return fmt.Errorf("the source %q has to be directory, not a file", source)
}
defer f.Close()
fs := util.NewFileSystem()
tmpDir, err := ioutil.TempDir("", "s2i-")
if err != nil {
return err
}
defer os.RemoveAll(tmpDir)
if err := fs.Copy(source, tmpDir); err != nil {
return err
}
// Skip chmod if on windows OS
if runtime.GOOS != "windows" {
err = filepath.Walk(tmpDir, func(path string, info os.FileInfo, err error) error {
if err != nil {
return err
}
if info.IsDir() {
return os.Chmod(path, 0777)
}
return os.Chmod(path, 0666)
})
if err != nil {
return err
}
}
return t.CreateTarStream(tmpDir, false, writer)
}
// StreamDirAsTarWithCallback streams the source directory as a tar archive.
func (t *stiTar) StreamDirAsTarWithCallback(source string, writer io.Writer, walkFn filepath.WalkFunc, modifyInplace bool) error {
f, err := os.Open(source)
if err != nil {
return err
}
defer f.Close()
info, err := f.Stat()
if err != nil {
return err
}
if !info.IsDir() {
return fmt.Errorf("the source %q has to be directory, not a file", source)
}
destDir := source
if !modifyInplace {
fs := util.NewFileSystem()
tmpDir, err := ioutil.TempDir("", "s2i-")
if err != nil {
return err
}
defer os.RemoveAll(tmpDir)
if err = fs.Copy(source, tmpDir); err != nil {
return err
}
destDir = tmpDir
}
if err := filepath.Walk(destDir, walkFn); err != nil {
return err
}
return t.CreateTarStream(destDir, false, writer)
}
// StreamFileAsTarWithCallback streams the source file as a tar archive.
func (t *stiTar) StreamFileAsTarWithCallback(source, name string, writer io.Writer, walkFn filepath.WalkFunc, modifyInplace bool) error {
f, err := os.Open(source)
if err != nil {
return err
}
defer f.Close()
info, err := f.Stat()
if err != nil {
return err
}
if info.IsDir() {
return fmt.Errorf("the source %q has to be regular file, not directory", source)
}
fs := util.NewFileSystem()
tmpDir, err := ioutil.TempDir("", "s2i-")
if err != nil {
return err
}
defer os.RemoveAll(tmpDir)
dst := filepath.Join(tmpDir, name)
if err := fs.Copy(source, dst); err != nil {
return err
}
fileInfo, fileErr := os.Stat(dst)
if err := walkFn(dst, fileInfo, fileErr); err != nil {
return err
}
return t.CreateTarStream(tmpDir, false, writer)
}
// New returns the instance of STI builder strategy for the given config.
// If the layeredBuilder parameter is specified, then the builder provided will
// be used for the case that the base Docker image does not have 'tar' or 'bash'
// installed.
func New(req *api.Config) (*STI, error) {
docker, err := docker.New(req.DockerConfig, req.PullAuthentication)
if err != nil {
return nil, err
}
inst := scripts.NewInstaller(req.BuilderImage, req.ScriptsURL, docker, req.PullAuthentication)
b := &STI{
installer: inst,
config: req,
docker: docker,
git: git.New(),
fs: util.NewFileSystem(),
tar: tar.New(),
callbackInvoker: util.NewCallbackInvoker(),
requiredScripts: []string{api.Assemble, api.Run},
optionalScripts: []string{api.SaveArtifacts},
externalScripts: map[string]bool{},
installedScripts: map[string]bool{},
scriptsURL: map[string]string{},
}
// The sources are downloaded using the GIT downloader.
// TODO: Add more SCM in future.
b.source = &git.Clone{b.git, b.fs}
b.garbage = &build.DefaultCleaner{b.fs, b.docker}
b.layered, err = layered.New(req, b)
// Set interfaces
b.preparer = b
b.artifacts = b
b.scripts = b
b.postExecutor = b
return b, err
}
// NewInstaller returns a new instance of the default Installer implementation
func NewInstaller(image string, scriptsURL string, proxyConfig *api.ProxyConfig, docker docker.Docker, auth dockerClient.AuthConfiguration) Installer {
m := DefaultScriptSourceManager{
Image: image,
ScriptsURL: scriptsURL,
dockerAuth: auth,
docker: docker,
fs: util.NewFileSystem(),
download: NewDownloader(proxyConfig),
}
// Order is important here, first we try to get the scripts from provided URL,
// then we look into sources and check for .s2i/bin scripts.
if len(m.ScriptsURL) > 0 {
m.Add(&URLScriptHandler{URL: m.ScriptsURL, download: m.download, fs: m.fs, name: ScriptURLHandler})
}
m.Add(&SourceScriptHandler{fs: m.fs})
// If the detection handlers above fail, try to get the script url from the
// docker image itself.
defaultURL, err := m.docker.GetScriptsURL(m.Image)
if err == nil && defaultURL != "" {
m.Add(&URLScriptHandler{URL: defaultURL, download: m.download, fs: m.fs, name: ImageURLHandler})
}
return &m
}
// New returns a new instance of OnBuild builder
func New(config *api.Config, overrides build.Overrides) (*OnBuild, error) {
dockerHandler, err := docker.New(config.DockerConfig, config.PullAuthentication)
if err != nil {
return nil, err
}
b := &OnBuild{
docker: dockerHandler,
git: git.New(),
fs: util.NewFileSystem(),
tar: tar.New(),
}
// Use STI Prepare() and download the 'run' script optionally.
s, err := sti.New(config, overrides)
s.SetScripts([]string{}, []string{api.Assemble, api.Run})
downloader := overrides.Downloader
if downloader == nil {
d, sourceURL, err := scm.DownloaderForSource(config.Source)
if err != nil {
return nil, err
}
downloader = d
config.Source = sourceURL
}
b.source = onBuildSourceHandler{
Downloader: downloader,
Preparer: s,
Ignorer: &ignore.DockerIgnorer{},
}
b.garbage = &build.DefaultCleaner{b.fs, b.docker}
return b, nil
}
func (d *NetworkDiagnostic) copyNetworkPodInfo(pod *kapi.Pod) error {
tmp, err := ioutil.TempFile("", "network-diags")
if err != nil {
return fmt.Errorf("Can not create local temporary file for tar: %v", err)
}
defer os.Remove(tmp.Name())
// Tar logdir on the remote node and copy to a local temporary file
errBuf := &bytes.Buffer{}
nodeLogDir := filepath.Join(util.NetworkDiagDefaultLogDir, util.NetworkDiagNodeLogDirPrefix, pod.Spec.NodeName)
cmd := []string{"chroot", util.NetworkDiagContainerMountPath, "tar", "-C", nodeLogDir, "-c", "."}
if err = util.Execute(d.Factory, cmd, pod, nil, tmp, errBuf); err != nil {
return fmt.Errorf("Creating remote tar locally failed: %v, %s", err, errBuf.String())
}
if err := tmp.Close(); err != nil {
return fmt.Errorf("Closing temporary tar file %s failed: %v", tmp.Name(), err)
}
// Extract copied temporary file locally
tmp, err = os.Open(tmp.Name())
if err != nil {
return fmt.Errorf("Can not open temporary tar file %s: %v", tmp.Name(), err)
}
defer tmp.Close()
tarHelper := tar.New(s2iutil.NewFileSystem())
tarHelper.SetExclusionPattern(nil)
logdir := filepath.Join(d.LogDir, util.NetworkDiagNodeLogDirPrefix, pod.Spec.NodeName)
err = tarHelper.ExtractTarStream(logdir, tmp)
if err != nil {
return fmt.Errorf("Untar local directory failed: %v, %s", err, errBuf.String())
}
return nil
}
// StreamFileAsTar streams the source file as a tar archive.
// The permissions of all files in archive is changed to 0666.
func (t *stiTar) StreamFileAsTar(source, name string, writer io.Writer) error {
f, err := os.Open(source)
if err != nil {
return err
}
if info, _ := f.Stat(); info.IsDir() {
return fmt.Errorf("the source %q has to be regular file, not directory", source)
}
defer f.Close()
fs := util.NewFileSystem()
tmpDir, err := ioutil.TempDir("", "s2i-")
if err != nil {
return err
}
defer os.RemoveAll(tmpDir)
dst := filepath.Join(tmpDir, name)
if err := fs.Copy(source, dst); err != nil {
return err
}
if runtime.GOOS != "windows" {
if err := os.Chmod(dst, 0666); err != nil {
return err
}
}
return t.CreateTarStream(tmpDir, false, writer)
}
// New returns the instance of STI builder strategy for the given config.
// If the layeredBuilder parameter is specified, then the builder provided will
// be used for the case that the base Docker image does not have 'tar' or 'bash'
// installed.
func New(req *api.Config, overrides build.Overrides) (*STI, error) {
docker, err := dockerpkg.New(req.DockerConfig, req.PullAuthentication)
if err != nil {
return nil, err
}
var incrementalDocker dockerpkg.Docker
if req.Incremental {
incrementalDocker, err = dockerpkg.New(req.DockerConfig, req.IncrementalAuthentication)
if err != nil {
return nil, err
}
}
inst := scripts.NewInstaller(req.BuilderImage, req.ScriptsURL, docker, req.PullAuthentication)
b := &STI{
installer: inst,
config: req,
docker: docker,
incrementalDocker: incrementalDocker,
git: git.New(),
fs: util.NewFileSystem(),
tar: tar.New(),
callbackInvoker: util.NewCallbackInvoker(),
requiredScripts: []string{api.Assemble, api.Run},
optionalScripts: []string{api.SaveArtifacts},
externalScripts: map[string]bool{},
installedScripts: map[string]bool{},
scriptsURL: map[string]string{},
}
// The sources are downloaded using the GIT downloader.
// TODO: Add more SCM in future.
// TODO: explicit decision made to customize processing for usage specifically vs.
// leveraging overrides; also, we ultimately want to simplify s2i usage a good bit,
// which would lead to replacing this quick short circuit (so this change is tactical)
b.source = overrides.Downloader
if b.source == nil && !req.Usage {
downloader, sourceURL, err := scm.DownloaderForSource(req.Source, req.ForceCopy)
if err != nil {
return nil, err
}
b.source = downloader
req.Source = sourceURL
}
b.garbage = &build.DefaultCleaner{b.fs, b.docker}
b.layered, err = layered.New(req, b, overrides)
// Set interfaces
b.preparer = b
// later on, if we support say .gitignore func in addition to .dockerignore func, setting
// ignorer will be based on config setting
b.ignorer = &ignore.DockerIgnorer{}
b.artifacts = b
b.scripts = b
b.postExecutor = b
return b, err
}
// DownloadDirFromContainer downloads an entire directory of files from a remote
// container.
func DownloadDirFromContainer(client *docker.Client, container, src, dst string) error {
downloader := newContainerDownloader(client, container, src)
defer downloader.Close()
tarReader := &removeLeadingDirectoryAdapter{Reader: tar.NewReader(downloader)}
t := s2itar.New(s2iutil.NewFileSystem())
return t.ExtractTarStreamFromTarReader(dst, tarReader, nil)
}
// New returns the instance of STI builder strategy for the given config.
// If the layeredBuilder parameter is specified, then the builder provided will
// be used for the case that the base Docker image does not have 'tar' or 'bash'
// installed.
func New(req *api.Config, overrides build.Overrides) (*STI, error) {
docker, err := dockerpkg.New(req.DockerConfig, req.PullAuthentication)
if err != nil {
return nil, err
}
var incrementalDocker dockerpkg.Docker
if req.Incremental {
incrementalDocker, err = dockerpkg.New(req.DockerConfig, req.IncrementalAuthentication)
if err != nil {
return nil, err
}
}
inst := scripts.NewInstaller(req.BuilderImage, req.ScriptsURL, docker, req.PullAuthentication)
b := &STI{
installer: inst,
config: req,
docker: docker,
incrementalDocker: incrementalDocker,
git: git.New(),
fs: util.NewFileSystem(),
tar: tar.New(),
callbackInvoker: util.NewCallbackInvoker(),
requiredScripts: []string{api.Assemble, api.Run},
optionalScripts: []string{api.SaveArtifacts},
externalScripts: map[string]bool{},
installedScripts: map[string]bool{},
scriptsURL: map[string]string{},
}
// The sources are downloaded using the GIT downloader.
// TODO: Add more SCM in future.
b.source = overrides.Downloader
if b.source == nil {
downloader, sourceURL, err := scm.DownloaderForSource(req.Source)
if err != nil {
return nil, err
}
b.source = downloader
req.Source = sourceURL
}
b.garbage = &build.DefaultCleaner{b.fs, b.docker}
b.layered, err = layered.New(req, b, overrides)
// Set interfaces
b.preparer = b
// later on, if we support say .gitignore func in addition to .dockerignore func, setting
// ignorer will be based on config setting
b.ignorer = &ignore.DockerIgnorer{}
b.artifacts = b
b.scripts = b
b.postExecutor = b
return b, err
}
// NewInstaller returns a new instance of the default Installer implementation
func NewInstaller(image string, scriptsURL string, docker docker.Docker, auth dockerClient.AuthConfiguration) Installer {
return &installer{
image: image,
scriptsURL: scriptsURL,
docker: docker,
downloader: NewDownloader(),
pullAuth: auth,
fs: util.NewFileSystem(),
}
}
// NewDockerBuilder creates a new instance of DockerBuilder
func NewDockerBuilder(dockerClient DockerClient, buildsClient client.BuildInterface, build *api.Build, gitClient GitClient, cgLimits *s2iapi.CGroupLimits) *DockerBuilder {
return &DockerBuilder{
dockerClient: dockerClient,
build: build,
gitClient: gitClient,
tar: tar.New(s2iutil.NewFileSystem()),
client: buildsClient,
cgLimits: cgLimits,
}
}
// NewUsage creates a new instance of the default Usage implementation
func NewUsage(config *api.Config) (*Usage, error) {
b, err := New(config, util.NewFileSystem(), build.Overrides{})
if err != nil {
return nil, err
}
usage := Usage{
handler: b,
config: config,
garbage: b.garbage,
}
return &usage, nil
}
func New(config *api.Config, scripts build.ScriptsHandler, overrides build.Overrides) (*Layered, error) {
d, err := docker.New(config.DockerConfig, config.PullAuthentication)
if err != nil {
return nil, err
}
return &Layered{
docker: d,
config: config,
fs: util.NewFileSystem(),
tar: tar.New(),
scripts: scripts,
}, nil
}
// DownloaderForSource determines what SCM plugin should be used for downloading
// the sources from the repository.
func DownloaderForSource(s string) (build.Downloader, string, error) {
// If the source is using file:// protocol but it is not a GIT repository,
// trim the prefix and treat it as a file copy.
if strings.HasPrefix(s, "file://") && !isLocalGitRepository(s) {
s = strings.TrimPrefix(s, "file://")
}
// If the source is file:// protocol and it is GIT repository, but we don't
// have GIT binary to fetch it, treat it as file copy.
if strings.HasPrefix(s, "file://") && !hasGitBinary() {
s = strings.TrimPrefix(s, "file://")
}
// If the source is valid GIT protocol (file://, git://, git@, etc..) use GIT
// binary to download the sources
if g := git.New(); g.ValidCloneSpec(s) {
return &git.Clone{g, util.NewFileSystem()}, s, nil
}
// Convert relative path to absolute path.
if !strings.HasPrefix(s, "/") {
if absolutePath, err := filepath.Abs(s); err == nil {
s = absolutePath
}
}
if isLocalGitRepository(s) {
return DownloaderForSource("file://" + s)
}
// If we have local directory and that directory exists, use file copy
if _, err := os.Stat(s); err == nil {
return &file.File{util.NewFileSystem()}, s, nil
}
return nil, s, fmt.Errorf("No downloader defined for location: %q", s)
}
// New creates a Layered builder.
func New(config *api.Config, scripts build.ScriptsHandler, overrides build.Overrides) (*Layered, error) {
d, err := docker.New(config.DockerConfig, config.PullAuthentication)
if err != nil {
return nil, err
}
tarHandler := tar.New()
tarHandler.SetExclusionPattern(regexp.MustCompile(config.ExcludeRegExp))
return &Layered{
docker: d,
config: config,
fs: util.NewFileSystem(),
tar: tarHandler,
scripts: scripts,
}, nil
}
// IsRemoteRepository checks whether the provided string is a remote repository or not
func IsRemoteRepository(s string) bool {
if !s2igit.New(s2iutil.NewFileSystem()).ValidCloneSpecRemoteOnly(s) {
return false
}
url, err := url.Parse(s)
if err != nil {
return false
}
url.Fragment = ""
gitRepo := git.NewRepository()
if _, _, err := gitRepo.ListRemote(url.String()); err != nil {
return false
}
return true
}
// ParseRepository parses a string that may be in the Git format (git@) or URL format
// and extracts the appropriate value. Any fragment on the URL is preserved.
//
// Protocols returned:
// - http, https
// - file
// - git
// - ssh
func ParseRepository(s string) (*url.URL, error) {
uri, err := url.Parse(s)
if err != nil {
return nil, err
}
// There are some shortcomings with url.Parse when it comes to GIT, namely wrt
// the GIT local/file and ssh protocols - it does not handle implied schema (i.e. no <proto>:// prefix)well;
// We handle those caveats here
err = s2igit.New(s2iutil.NewFileSystem()).MungeNoProtocolURL(s, uri)
if err != nil {
return nil, err
}
return uri, nil
}
// UploadFileToContainer uploads a file to a remote container.
func UploadFileToContainer(client *docker.Client, container, src, dest string) error {
uploader, errch := newContainerUploader(client, container, filepath.Dir(dest))
t := s2itar.New(s2iutil.NewFileSystem())
tarWriter := s2itar.RenameAdapter{Writer: tar.NewWriter(uploader), Old: filepath.Base(src), New: filepath.Base(dest)}
err := t.CreateTarStreamToTarWriter(src, true, tarWriter, nil)
if err == nil {
err = tarWriter.Close()
}
uploader.Close()
if err != nil {
return err
}
return <-errch
}
// Strategy creates the appropriate build strategy for the provided config, using
// the overrides provided. Not all strategies support all overrides.
func Strategy(config *api.Config, overrides build.Overrides) (build.Builder, api.BuildInfo, error) {
var builder build.Builder
var buildInfo api.BuildInfo
fs := util.NewFileSystem()
image, err := docker.GetBuilderImage(config)
if err != nil {
buildInfo.FailureReason = utilstatus.NewFailureReason(
utilstatus.ReasonPullBuilderImageFailed,
utilstatus.ReasonMessagePullBuilderImageFailed,
)
return nil, buildInfo, err
}
config.HasOnBuild = image.OnBuild
// if we're blocking onbuild, just do a normal s2i build flow
// which won't do a docker build and invoke the onbuild commands
if image.OnBuild && !config.BlockOnBuild {
builder, err = onbuild.New(config, fs, overrides)
if err != nil {
buildInfo.FailureReason = utilstatus.NewFailureReason(
utilstatus.ReasonGenericS2IBuildFailed,
utilstatus.ReasonMessageGenericS2iBuildFailed,
)
return nil, buildInfo, err
}
return builder, buildInfo, nil
}
builder, err = sti.New(config, fs, overrides)
if err != nil {
buildInfo.FailureReason = utilstatus.NewFailureReason(
utilstatus.ReasonGenericS2IBuildFailed,
utilstatus.ReasonMessageGenericS2iBuildFailed,
)
return nil, buildInfo, err
}
return builder, buildInfo, err
}
// New returns a new instance of OnBuild builder
func New(config *api.Config) (*OnBuild, error) {
dockerHandler, err := docker.New(config.DockerConfig, config.PullAuthentication)
if err != nil {
return nil, err
}
b := &OnBuild{
docker: dockerHandler,
git: git.New(),
fs: util.NewFileSystem(),
tar: tar.New(),
}
// Use STI Prepare() and download the 'run' script optionally.
s, err := sti.New(config)
s.SetScripts([]string{}, []string{api.Assemble, api.Run})
b.source = onBuildSourceHandler{
&git.Clone{b.git, b.fs},
s,
}
b.garbage = &build.DefaultCleaner{b.fs, b.docker}
return b, nil
}
func streamPathToBuild(repo git.Repository, in io.Reader, out io.Writer, client osclient.BuildConfigInterface, fromDir, fromFile, fromRepo string, options *buildapi.BinaryBuildRequestOptions) (*buildapi.Build, error) {
asDir, asFile, asRepo := len(fromDir) > 0, len(fromFile) > 0, len(fromRepo) > 0
if asRepo && !git.IsGitInstalled() {
return nil, fmt.Errorf("cannot find git. Git is required to start a build from a repository. If git is not available, use --from-dir instead.")
}
var fromPath string
switch {
case asDir:
fromPath = fromDir
case asFile:
fromPath = fromFile
case asRepo:
fromPath = fromRepo
}
var r io.Reader
switch {
case fromFile == "-":
return nil, fmt.Errorf("--from-file=- is not supported")
case fromDir == "-":
r = in
fmt.Fprintf(out, "Uploading archive file from STDIN as binary input for the build ...\n")
case (asFile || asDir) && (strings.HasPrefix(fromPath, "http://") || strings.HasPrefix(fromPath, "https://")):
resp, err := http.Get(fromPath)
if err != nil {
return nil, err
}
defer resp.Body.Close()
if resp.StatusCode != 200 {
return nil, fmt.Errorf("unable to download file %q: %s", fromPath, resp.Status)
}
r = resp.Body
if asFile {
options.AsFile = httpFileName(resp)
if options.AsFile == "" {
return nil, fmt.Errorf("unable to determine filename from HTTP headers or URL")
}
fmt.Fprintf(out, "Uploading file from %q as binary input for the build ...\n", fromPath)
} else {
fmt.Fprintf(out, "Uploading archive from %q as binary input for the build ...\n", fromPath)
}
default:
clean := filepath.Clean(fromPath)
path, err := filepath.Abs(fromPath)
if err != nil {
return nil, err
}
stat, err := os.Stat(path)
if err != nil {
return nil, err
}
if stat.IsDir() {
commit := "HEAD"
if len(options.Commit) > 0 {
commit = options.Commit
}
info, gitErr := gitRefInfo(repo, path, commit)
if gitErr == nil {
options.Commit = info.GitSourceRevision.Commit
options.Message = info.GitSourceRevision.Message
options.AuthorName = info.GitSourceRevision.Author.Name
options.AuthorEmail = info.GitSourceRevision.Author.Email
options.CommitterName = info.GitSourceRevision.Committer.Name
options.CommitterEmail = info.GitSourceRevision.Committer.Email
} else {
glog.V(6).Infof("Unable to read Git info from %q: %v", clean, gitErr)
}
// NOTE: It's important that this stays false unless we change the
// path to something else, otherwise we will delete whatever path the
// user provided.
var usedTempDir bool = false
var tempDirectory string = ""
if asRepo {
var contextDir string = ""
fmt.Fprintf(out, "Uploading %q at commit %q as binary input for the build ...\n", clean, commit)
if gitErr != nil {
return nil, fmt.Errorf("the directory %q is not a valid Git repository: %v", clean, gitErr)
}
// If the user doesn't give us the root directory of the Git repo,
// we still want the command to work. However, as this may be
// unintended, we warn them.
if gitRootDir, err := repo.GetRootDir(path); filepath.Clean(gitRootDir) != filepath.Clean(path) && err == nil {
fmt.Fprintf(out, "WARNING: Using root dir %s for Git repository\n", gitRootDir)
contextDir, _ = filepath.Rel(gitRootDir, path)
path = gitRootDir
}
// Create a temp directory to move the repo contents to
tempDirectory, err := ioutil.TempDir(os.TempDir(), "oc_cloning_"+options.Commit)
if err != nil {
return nil, err
}
// We only want to grab the contents of the specified commit, with
// submodules included
cloneOptions := []string{"--recursive"}
if verbose := glog.V(3); !verbose {
cloneOptions = append(cloneOptions, "--quiet")
}
// Clone the repository to a temp directory for future tar-ing
if err := repo.CloneWithOptions(tempDirectory, path, cloneOptions...); err != nil {
return nil, err
}
if err := repo.Checkout(tempDirectory, commit); err != nil {
return nil, err
}
// We'll continue to use tar on the temp directory
path = filepath.Join(tempDirectory, contextDir)
usedTempDir = true
} else {
fmt.Fprintf(out, "Uploading directory %q as binary input for the build ...\n", clean)
}
pr, pw := io.Pipe()
go func() {
w := gzip.NewWriter(pw)
if err := tar.New(s2iutil.NewFileSystem()).CreateTarStream(path, false, w); err != nil {
pw.CloseWithError(err)
} else {
w.Close()
pw.CloseWithError(io.EOF)
}
if usedTempDir {
os.RemoveAll(tempDirectory)
}
}()
r = pr
} else {
f, err := os.Open(path)
if err != nil {
return nil, err
}
defer f.Close()
r = f
if asFile {
options.AsFile = filepath.Base(path)
fmt.Fprintf(out, "Uploading file %q as binary input for the build ...\n", clean)
} else {
fmt.Fprintf(out, "Uploading archive file %q as binary input for the build ...\n", clean)
}
}
}
if !asFile {
br := bufio.NewReaderSize(r, 4096)
r = br
if !isArchive(br) {
fmt.Fprintf(out, "WARNING: the provided file may not be an archive (tar, tar.gz, or zip), use --from-file to prevent extraction\n")
}
}
return client.InstantiateBinary(options, r)
}
// New returns the instance of STI builder strategy for the given config.
// If the layeredBuilder parameter is specified, then the builder provided will
// be used for the case that the base Docker image does not have 'tar' or 'bash'
// installed.
func New(config *api.Config, overrides build.Overrides) (*STI, error) {
docker, err := dockerpkg.New(config.DockerConfig, config.PullAuthentication)
if err != nil {
return nil, err
}
var incrementalDocker dockerpkg.Docker
if config.Incremental {
incrementalDocker, err = dockerpkg.New(config.DockerConfig, config.IncrementalAuthentication)
if err != nil {
return nil, err
}
}
inst := scripts.NewInstaller(config.BuilderImage, config.ScriptsURL, config.ScriptDownloadProxyConfig, docker, config.PullAuthentication)
tarHandler := tar.New()
tarHandler.SetExclusionPattern(regexp.MustCompile(config.ExcludeRegExp))
builder := &STI{
installer: inst,
config: config,
docker: docker,
incrementalDocker: incrementalDocker,
git: git.New(),
fs: util.NewFileSystem(),
tar: tarHandler,
callbackInvoker: util.NewCallbackInvoker(),
requiredScripts: []string{api.Assemble, api.Run},
optionalScripts: []string{api.SaveArtifacts},
optionalRuntimeScripts: []string{api.AssembleRuntime},
externalScripts: map[string]bool{},
installedScripts: map[string]bool{},
scriptsURL: map[string]string{},
}
if len(config.RuntimeImage) > 0 {
builder.runtimeInstaller = scripts.NewInstaller(config.RuntimeImage, config.ScriptsURL, config.ScriptDownloadProxyConfig, docker, config.PullAuthentication)
builder.runtimeDocker, err = dockerpkg.New(config.DockerConfig, config.RuntimeAuthentication)
if err != nil {
return builder, err
}
}
// The sources are downloaded using the Git downloader.
// TODO: Add more SCM in future.
// TODO: explicit decision made to customize processing for usage specifically vs.
// leveraging overrides; also, we ultimately want to simplify s2i usage a good bit,
// which would lead to replacing this quick short circuit (so this change is tactical)
builder.source = overrides.Downloader
if builder.source == nil && !config.Usage {
downloader, sourceURL, err := scm.DownloaderForSource(config.Source, config.ForceCopy)
if err != nil {
return nil, err
}
builder.source = downloader
config.Source = sourceURL
}
builder.garbage = build.NewDefaultCleaner(builder.fs, builder.docker)
builder.layered, err = layered.New(config, builder, overrides)
// Set interfaces
builder.preparer = builder
// later on, if we support say .gitignore func in addition to .dockerignore func, setting
// ignorer will be based on config setting
builder.ignorer = &ignore.DockerIgnorer{}
builder.artifacts = builder
builder.scripts = builder
builder.postExecutor = builder
builder.initPostExecutorSteps()
return builder, err
}
// TestDockerfilePath validates that we can use a Dockerfile with a custom name, and in a sub-directory
func TestDockerfilePath(t *testing.T) {
tests := []struct {
contextDir string
dockerfilePath string
dockerStrategy *api.DockerBuildStrategy
}{
// default Dockerfile path
{
dockerfilePath: "Dockerfile",
dockerStrategy: &api.DockerBuildStrategy{},
},
// custom Dockerfile path in the root context
{
dockerfilePath: "mydockerfile",
dockerStrategy: &api.DockerBuildStrategy{
DockerfilePath: "mydockerfile",
},
},
// custom Dockerfile path in a sub directory
{
dockerfilePath: "dockerfiles/mydockerfile",
dockerStrategy: &api.DockerBuildStrategy{
DockerfilePath: "dockerfiles/mydockerfile",
},
},
// custom Dockerfile path in a sub directory
// with a contextDir
{
contextDir: "somedir",
dockerfilePath: "dockerfiles/mydockerfile",
dockerStrategy: &api.DockerBuildStrategy{
DockerfilePath: "dockerfiles/mydockerfile",
},
},
}
for _, test := range tests {
buildDir, err := ioutil.TempDir(util.GetBaseDir(), "dockerfile-path")
if err != nil {
t.Errorf("failed to create tmpdir: %v", err)
continue
}
absoluteDockerfilePath := filepath.Join(buildDir, test.contextDir, test.dockerfilePath)
dockerfileContent := "FROM openshift/origin-base"
if err = os.MkdirAll(filepath.Dir(absoluteDockerfilePath), os.FileMode(0750)); err != nil {
t.Errorf("failed to create directory %s: %v", filepath.Dir(absoluteDockerfilePath), err)
continue
}
if err = ioutil.WriteFile(absoluteDockerfilePath, []byte(dockerfileContent), os.FileMode(0644)); err != nil {
t.Errorf("failed to write dockerfile to %s: %v", absoluteDockerfilePath, err)
continue
}
build := &api.Build{
Spec: api.BuildSpec{
CommonSpec: api.CommonSpec{
Source: api.BuildSource{
Git: &api.GitBuildSource{
URI: "http://github.com/openshift/origin.git",
},
ContextDir: test.contextDir,
},
Strategy: api.BuildStrategy{
DockerStrategy: test.dockerStrategy,
},
Output: api.BuildOutput{
To: &kapi.ObjectReference{
Kind: "DockerImage",
Name: "test/test-result:latest",
},
},
},
},
}
dockerClient := &FakeDocker{
buildImageFunc: func(opts docker.BuildImageOptions) error {
if opts.Dockerfile != test.dockerfilePath {
t.Errorf("Unexpected dockerfile path: %s (expected: %s)", opts.Dockerfile, test.dockerfilePath)
}
return nil
},
}
dockerBuilder := &DockerBuilder{
dockerClient: dockerClient,
build: build,
gitClient: git.NewRepository(),
tar: tar.New(s2iutil.NewFileSystem()),
}
// this will validate that the Dockerfile is readable
// and append some labels to the Dockerfile
if err = dockerBuilder.addBuildParameters(buildDir); err != nil {
t.Errorf("failed to add build parameters: %v", err)
continue
}
// check that our Dockerfile has been modified
dockerfileData, err := ioutil.ReadFile(absoluteDockerfilePath)
if err != nil {
t.Errorf("failed to read dockerfile %s: %v", absoluteDockerfilePath, err)
continue
}
if !strings.Contains(string(dockerfileData), dockerfileContent) {
t.Errorf("Updated Dockerfile content does not contains the original Dockerfile content.\n\nOriginal content:\n%s\n\nUpdated content:\n%s\n", dockerfileContent, string(dockerfileData))
continue
}
// check that the docker client is called with the right Dockerfile parameter
if err = dockerBuilder.dockerBuild(buildDir, "", []api.SecretBuildSource{}); err != nil {
t.Errorf("failed to build: %v", err)
continue
}
os.RemoveAll(buildDir)
}
}
func baseTest(t *testing.T, patterns []string, filesToDel []string, filesToKeep []string) {
// create working dir
workingDir, werr := util.NewFileSystem().CreateWorkingDirectory()
if werr != nil {
t.Errorf("problem allocating working dir %v \n", werr)
} else {
t.Logf("working directory is %s \n", workingDir)
}
defer func() {
// clean up test
cleanerr := os.RemoveAll(workingDir)
if cleanerr != nil {
t.Errorf("problem cleaning up %v \n", cleanerr)
}
}()
c := &api.Config{WorkingDir: workingDir}
// create source repo dir for .s2iignore that matches where ignore.go looks
dpath := filepath.Join(c.WorkingDir, "upload", "src")
derr := os.MkdirAll(dpath, 0777)
if derr != nil {
t.Errorf("Problem creating source repo dir %s with %v \n", dpath, derr)
}
c.WorkingSourceDir = dpath
t.Logf("working source dir %s \n", dpath)
// create s2iignore file
ipath := filepath.Join(dpath, api.IgnoreFile)
ifile, ierr := os.Create(ipath)
defer ifile.Close()
if ierr != nil {
t.Errorf("Problem creating .s2iignore at %s with %v \n", ipath, ierr)
}
// write patterns to remove into s2ignore, but save ! exclusions
filesToIgnore := make(map[string]string)
for _, pattern := range patterns {
t.Logf("storing pattern %s \n", pattern)
_, serr := ifile.WriteString(pattern)
if serr != nil {
t.Errorf("Problem setting .s2iignore %v \n", serr)
}
if strings.HasPrefix(pattern, "!") {
pattern = strings.Replace(pattern, "!", "", 1)
t.Logf("Noting ignore pattern %s \n", pattern)
filesToIgnore[pattern] = pattern
}
}
// create slices the store files to create, maps for files which should be deleted, files which should be kept
filesToCreate := make([]string, 0)
filesToDelCheck := make(map[string]string)
for _, fileToDel := range filesToDel {
filesToDelCheck[fileToDel] = fileToDel
filesToCreate = append(filesToCreate, fileToDel)
}
filesToKeepCheck := make(map[string]string)
for _, fileToKeep := range filesToKeep {
filesToKeepCheck[fileToKeep] = fileToKeep
filesToCreate = append(filesToCreate, fileToKeep)
}
// create files for test
for _, fileToCreate := range filesToCreate {
fbpath := filepath.Join(dpath, fileToCreate)
// ensure any subdirs off working dir exist
dirpath := filepath.Dir(fbpath)
derr := os.MkdirAll(dirpath, 0777)
if derr != nil && !os.IsExist(derr) {
t.Errorf("Problem creating subdirs %s with %v \n", dirpath, derr)
}
t.Logf("Going to create file %s given supplied suffix %s \n", fbpath, fileToCreate)
fbfile, fberr := os.Create(fbpath)
defer fbfile.Close()
if fberr != nil {
t.Errorf("Problem creating test file %v \n", fberr)
}
}
// run ignorer algorithm
ignorer := &DockerIgnorer{}
ignorer.Ignore(c)
// check if filesToDel, minus ignores, are gone, and filesToKeep are still there
for _, fileToCheck := range filesToCreate {
fbpath := filepath.Join(dpath, fileToCheck)
t.Logf("Evaluating file %s from dir %s and file to check %s \n", fbpath, dpath, fileToCheck)
// see if file still exists or not
ofile, oerr := os.Open(fbpath)
defer ofile.Close()
var fileExists bool
if oerr == nil {
fileExists = true
t.Logf("The file %s exists after Ignore was run \n", fbpath)
} else {
if os.IsNotExist(oerr) {
t.Logf("The file %s does not exist after Ignore was run \n", fbpath)
fileExists = false
} else {
t.Errorf("Could not verify existence of %s because of %v \n", fbpath, oerr)
}
}
_, iok := filesToIgnore[fileToCheck]
_, kok := filesToKeepCheck[fileToCheck]
_, dok := filesToDelCheck[fileToCheck]
// if file present, verify it is in ignore or keep list, and not in del list
if fileExists {
if iok {
t.Logf("validated ignored file is still present %s \n ", fileToCheck)
continue
}
if kok {
t.Logf("validated file to keep is still present %s \n", fileToCheck)
continue
}
if dok {
t.Errorf("file which was cited to be deleted by caller to runTest exists %s \n", fileToCheck)
continue
}
// if here, something unexpected
t.Errorf("file not in ignore / keep / del list !?!?!?!? %s \n", fileToCheck)
} else {
if dok {
t.Logf("file which should have been deleted is in fact gone %s \n", fileToCheck)
continue
}
if iok {
t.Errorf("file put into ignore list does not exist %s \n ", fileToCheck)
continue
}
if kok {
t.Errorf("file passed in with keep list does not exist %s \n", fileToCheck)
continue
}
// if here, then something unexpected happened
t.Errorf("file not in ignore / keep / del list !?!?!?!? %s \n", fileToCheck)
}
}
}
