func (daemon *Daemon) ContainerCommit(job *engine.Job) engine.Status {
if len(job.Args) != 1 {
return job.Errorf("Not enough arguments. Usage: %s CONTAINER\n", job.Name)
}
name := job.Args[0]
container := daemon.Get(name)
if container == nil {
return job.Errorf("No such container: %s", name)
}
var (
config = container.Config
newConfig runconfig.Config
)
if err := job.GetenvJson("config", &newConfig); err != nil {
return job.Error(err)
}
if err := runconfig.Merge(&newConfig, config); err != nil {
return job.Error(err)
}
img, err := daemon.Commit(container, job.Getenv("repo"), job.Getenv("tag"), job.Getenv("comment"), job.Getenv("author"), job.GetenvBool("pause"), &newConfig)
if err != nil {
return job.Error(err)
}
job.Printf("%s\n", img.ID)
return engine.StatusOK
}
func (daemon *Daemon) mergeAndVerifyConfig(config *runconfig.Config, img *image.Image) ([]string, error) {
warnings := []string{}
if daemon.checkDeprecatedExpose(img.Config) || daemon.checkDeprecatedExpose(config) {
warnings = append(warnings, "The mapping to public ports on your host via Dockerfile EXPOSE (host:port:port) has been deprecated. Use -p to publish the ports.")
}
if img.Config != nil {
if err := runconfig.Merge(config, img.Config); err != nil {
return nil, err
}
}
if len(config.Entrypoint) == 0 && len(config.Cmd) == 0 {
return nil, fmt.Errorf("No command specified")
}
return warnings, nil
}
func (b *buildFile) CmdRun(args string) error {
if b.image == "" {
return fmt.Errorf("Please provide a source image with `from` prior to run")
}
config, _, _, err := runconfig.Parse(append([]string{b.image}, b.buildCmdFromJson(args)...), nil)
if err != nil {
return err
}
cmd := b.config.Cmd
// set Cmd manually, this is special case only for Dockerfiles
b.config.Cmd = config.Cmd
runconfig.Merge(b.config, config)
defer func(cmd []string) { b.config.Cmd = cmd }(cmd)
log.Debugf("Command to be executed: %v", b.config.Cmd)
hit, err := b.probeCache()
if err != nil {
return err
}
if hit {
return nil
}
c, err := b.create()
if err != nil {
return err
}
// Ensure that we keep the container mounted until the commit
// to avoid unmounting and then mounting directly again
c.Mount()
defer c.Unmount()
err = b.run(c)
if err != nil {
return err
}
if err := b.commit(c.ID, cmd, "run"); err != nil {
return err
}
return nil
}