// buildImage invokes a docker build on a particular directory
func buildImage(client DockerClient, dir string, dockerfilePath string, noCache bool, tag string, tar tar.Tar, pullAuth *docker.AuthConfigurations, forcePull bool, cgLimits *s2iapi.CGroupLimits) error {
// TODO: be able to pass a stream directly to the Docker build to avoid the double temp hit
r, w := io.Pipe()
go func() {
defer utilruntime.HandleCrash()
defer w.Close()
if err := tar.CreateTarStream(dir, false, w); err != nil {
w.CloseWithError(err)
}
}()
defer w.Close()
glog.V(5).Infof("Invoking Docker build to create %q", tag)
opts := docker.BuildImageOptions{
Name: tag,
RmTmpContainer: true,
OutputStream: os.Stdout,
InputStream: r,
Dockerfile: dockerfilePath,
NoCache: noCache,
Pull: forcePull,
}
if cgLimits != nil {
opts.Memory = cgLimits.MemoryLimitBytes
opts.Memswap = cgLimits.MemorySwap
opts.CPUShares = cgLimits.CPUShares
opts.CPUPeriod = cgLimits.CPUPeriod
opts.CPUQuota = cgLimits.CPUQuota
}
if pullAuth != nil {
opts.AuthConfigs = *pullAuth
}
return client.BuildImage(opts)
}
// buildImage invokes a docker build on a particular directory
func buildImage(client DockerClient, dir string, noCache bool, tag string, tar tar.Tar, pullAuth *docker.AuthConfigurations, forcePull bool) error {
// TODO: be able to pass a stream directly to the Docker build to avoid the double temp hit
r, w := io.Pipe()
go func() {
defer util.HandleCrash()
defer w.Close()
if err := tar.CreateTarStream(dir, false, w); err != nil {
w.CloseWithError(err)
}
}()
defer w.Close()
glog.V(5).Infof("Invoking Docker build to create %q", tag)
opts := docker.BuildImageOptions{
Name: tag,
RmTmpContainer: true,
OutputStream: os.Stdout,
InputStream: r,
NoCache: noCache,
Pull: forcePull,
}
if pullAuth != nil {
opts.AuthConfigs = *pullAuth
}
return client.BuildImage(opts)
}
func tarLocal(tar tar.Tar, sourceDir string, w io.Writer) error {
glog.V(4).Infof("Tarring %s locally", sourceDir)
// includeParent mimics rsync's behavior. When the source path ends in a path
// separator, then only the contents of the directory are copied. Otherwise,
// the directory itself is copied.
includeParent := true
if strings.HasSuffix(sourceDir, string(filepath.Separator)) {
includeParent = false
sourceDir = sourceDir[:len(sourceDir)-1]
}
return tar.CreateTarStream(sourceDir, includeParent, w)
}
// buildImage invokes a docker build on a particular directory
func buildImage(client DockerClient, dir string, tar tar.Tar, opts *docker.BuildImageOptions) error {
// TODO: be able to pass a stream directly to the Docker build to avoid the double temp hit
if opts == nil {
return fmt.Errorf("%s", "build image options nil")
}
r, w := io.Pipe()
go func() {
defer utilruntime.HandleCrash()
defer w.Close()
if err := tar.CreateTarStream(dir, false, w); err != nil {
w.CloseWithError(err)
}
}()
defer w.Close()
opts.InputStream = r
glog.V(5).Infof("Invoking Docker build to create %q", opts.Name)
return client.BuildImage(*opts)
}