func (srv *Server) ContainerStart(job *engine.Job) string {
if len(job.Args) < 1 {
return fmt.Sprintf("Usage: %s container_id", job.Name)
}
name := job.Args[0]
runtime := srv.runtime
container := runtime.Get(name)
if container == nil {
return fmt.Sprintf("No such container: %s", name)
}
// If no environment was set, then no hostconfig was passed.
if len(job.Environ()) > 0 {
var hostConfig HostConfig
if err := job.ExportEnv(&hostConfig); err != nil {
return err.Error()
}
// Validate the HostConfig binds. Make sure that:
// 1) the source of a bind mount isn't /
// The bind mount "/:/foo" isn't allowed.
// 2) Check that the source exists
// The source to be bind mounted must exist.
for _, bind := range hostConfig.Binds {
splitBind := strings.Split(bind, ":")
source := splitBind[0]
// refuse to bind mount "/" to the container
if source == "/" {
return fmt.Sprintf("Invalid bind mount '%s' : source can't be '/'", bind)
}
// ensure the source exists on the host
_, err := os.Stat(source)
if err != nil && os.IsNotExist(err) {
return fmt.Sprintf("Invalid bind mount '%s' : source doesn't exist", bind)
}
}
// Register any links from the host config before starting the container
// FIXME: we could just pass the container here, no need to lookup by name again.
if err := srv.RegisterLinks(name, &hostConfig); err != nil {
return err.Error()
}
container.hostConfig = &hostConfig
container.ToDisk()
}
if err := container.Start(); err != nil {
return fmt.Sprintf("Cannot start container %s: %s", name, err)
}
srv.LogEvent("start", container.ID, runtime.repositories.ImageName(container.Image))
return "0"
}
func (srv *Server) ContainerCreate(job *engine.Job) string {
var name string
if len(job.Args) == 1 {
name = job.Args[0]
} else if len(job.Args) > 1 {
return fmt.Sprintf("Usage: %s ", job.Name)
}
var config Config
if err := job.ExportEnv(&config); err != nil {
return err.Error()
}
if config.Memory != 0 && config.Memory < 524288 {
return "Minimum memory limit allowed is 512k"
}
if config.Memory > 0 && !srv.runtime.capabilities.MemoryLimit {
config.Memory = 0
}
if config.Memory > 0 && !srv.runtime.capabilities.SwapLimit {
config.MemorySwap = -1
}
container, buildWarnings, err := srv.runtime.Create(&config, name)
if err != nil {
if srv.runtime.graph.IsNotExist(err) {
_, tag := utils.ParseRepositoryTag(config.Image)
if tag == "" {
tag = DEFAULTTAG
}
return fmt.Sprintf("No such image: %s (tag: %s)", config.Image, tag)
}
return err.Error()
}
srv.LogEvent("create", container.ID, srv.runtime.repositories.ImageName(container.Image))
// FIXME: this is necessary because runtime.Create might return a nil container
// with a non-nil error. This should not happen! Once it's fixed we
// can remove this workaround.
if container != nil {
job.Printf("%s\n", container.ID)
}
for _, warning := range buildWarnings {
job.Errorf("%s\n", warning)
}
return "0"
}
func (srv *Server) ContainerCreate(job *engine.Job) string {
var name string
if len(job.Args) == 1 {
name = job.Args[0]
} else if len(job.Args) > 1 {
return fmt.Sprintf("Usage: %s ", job.Name)
}
var config Config
if err := job.ExportEnv(&config); err != nil {
return err.Error()
}
if config.Memory != 0 && config.Memory < 524288 {
return "Minimum memory limit allowed is 512k"
}
if config.Memory > 0 && !srv.runtime.capabilities.MemoryLimit {
config.Memory = 0
}
if config.Memory > 0 && !srv.runtime.capabilities.SwapLimit {
config.MemorySwap = -1
}
container, buildWarnings, err := srv.runtime.Create(&config, name)
if err != nil {
if srv.runtime.graph.IsNotExist(err) {
_, tag := utils.ParseRepositoryTag(config.Image)
if tag == "" {
tag = DEFAULTTAG
}
return fmt.Sprintf("No such image: %s (tag: %s)", config.Image, tag)
}
return err.Error()
}
srv.LogEvent("create", container.ID, srv.runtime.repositories.ImageName(container.Image))
job.Printf("%s\n", container.ID)
for _, warning := range buildWarnings {
job.Errorf("%s\n", warning)
}
return "0"
}