// ContainerStart starts a container.
func (daemon *Daemon) ContainerStart(name string, hostConfig *runconfig.HostConfig) error {
container, err := daemon.Get(name)
if err != nil {
return err
}
if container.IsPaused() {
return derr.ErrorCodeStartPaused
}
if container.IsRunning() {
return derr.ErrorCodeAlreadyStarted
}
// Windows does not have the backwards compatibility issue here.
if runtime.GOOS != "windows" {
// This is kept for backward compatibility - hostconfig should be passed when
// creating a container, not during start.
if hostConfig != nil {
logrus.Warn("DEPRECATED: Setting host configuration options when the container starts is deprecated and will be removed in Docker 1.12")
container.Lock()
if err := parseSecurityOpt(container, hostConfig); err != nil {
container.Unlock()
return err
}
container.Unlock()
if err := daemon.adaptContainerSettings(hostConfig, false); err != nil {
return err
}
if err := daemon.setHostConfig(container, hostConfig); err != nil {
return err
}
container.InitDNSHostConfig()
}
} else {
if hostConfig != nil {
return derr.ErrorCodeHostConfigStart
}
}
// check if hostConfig is in line with the current system settings.
// It may happen cgroups are umounted or the like.
if _, err = daemon.verifyContainerSettings(container.HostConfig, nil); err != nil {
return err
}
if err := daemon.containerStart(container); err != nil {
return err
}
return nil
}
// containerInspect120 serializes the master version of a container into a json type.
func (daemon *Daemon) containerInspect120(name string) (*v1p20.ContainerJSON, error) {
container, err := daemon.GetContainer(name)
if err != nil {
return nil, err
}
container.Lock()
defer container.Unlock()
base, err := daemon.getInspectData(container, false)
if err != nil {
return nil, err
}
mountPoints := addMountPoints(container)
config := &v1p20.ContainerConfig{
Config: container.Config,
MacAddress: container.Config.MacAddress,
NetworkDisabled: container.Config.NetworkDisabled,
ExposedPorts: container.Config.ExposedPorts,
VolumeDriver: container.HostConfig.VolumeDriver,
}
networkSettings := daemon.getBackwardsCompatibleNetworkSettings(container.NetworkSettings)
return &v1p20.ContainerJSON{
ContainerJSONBase: base,
Mounts: mountPoints,
Config: config,
NetworkSettings: networkSettings,
}, nil
}
// ContainerInspectCurrent returns low-level information about a
// container in a most recent api version.
func (daemon *Daemon) ContainerInspectCurrent(name string, size bool) (*types.ContainerJSON, error) {
container, err := daemon.GetContainer(name)
if err != nil {
return nil, err
}
container.Lock()
defer container.Unlock()
base, err := daemon.getInspectData(container, size)
if err != nil {
return nil, err
}
apiNetworks := make(map[string]*networktypes.EndpointSettings)
for name, epConf := range container.NetworkSettings.Networks {
if epConf.EndpointSettings != nil {
apiNetworks[name] = epConf.EndpointSettings
}
}
mountPoints := addMountPoints(container)
networkSettings := &types.NetworkSettings{
NetworkSettingsBase: types.NetworkSettingsBase{
Bridge: container.NetworkSettings.Bridge,
SandboxID: container.NetworkSettings.SandboxID,
HairpinMode: container.NetworkSettings.HairpinMode,
LinkLocalIPv6Address: container.NetworkSettings.LinkLocalIPv6Address,
LinkLocalIPv6PrefixLen: container.NetworkSettings.LinkLocalIPv6PrefixLen,
Ports: container.NetworkSettings.Ports,
SandboxKey: container.NetworkSettings.SandboxKey,
SecondaryIPAddresses: container.NetworkSettings.SecondaryIPAddresses,
SecondaryIPv6Addresses: container.NetworkSettings.SecondaryIPv6Addresses,
},
DefaultNetworkSettings: daemon.getDefaultNetworkSettings(container.NetworkSettings.Networks),
Networks: apiNetworks,
}
return &types.ContainerJSON{
ContainerJSONBase: base,
Mounts: mountPoints,
Config: container.Config,
NetworkSettings: networkSettings,
}, nil
}
// containerInspectPre120 gets containers for pre 1.20 APIs.
func (daemon *Daemon) containerInspectPre120(name string) (*v1p19.ContainerJSON, error) {
container, err := daemon.GetContainer(name)
if err != nil {
return nil, err
}
container.Lock()
defer container.Unlock()
base, err := daemon.getInspectData(container, false)
if err != nil {
return nil, err
}
volumes := make(map[string]string)
volumesRW := make(map[string]bool)
for _, m := range container.MountPoints {
volumes[m.Destination] = m.Path()
volumesRW[m.Destination] = m.RW
}
config := &v1p19.ContainerConfig{
Config: container.Config,
MacAddress: container.Config.MacAddress,
NetworkDisabled: container.Config.NetworkDisabled,
ExposedPorts: container.Config.ExposedPorts,
VolumeDriver: container.HostConfig.VolumeDriver,
Memory: container.HostConfig.Memory,
MemorySwap: container.HostConfig.MemorySwap,
CPUShares: container.HostConfig.CPUShares,
CPUSet: container.HostConfig.CpusetCpus,
}
networkSettings := daemon.getBackwardsCompatibleNetworkSettings(container.NetworkSettings)
return &v1p19.ContainerJSON{
ContainerJSONBase: base,
Volumes: volumes,
VolumesRW: volumesRW,
Config: config,
NetworkSettings: networkSettings,
}, nil
}