1
0
Fork 0
mirror of https://github.com/moby/moby.git synced 2022-11-09 12:21:53 -05:00
moby--moby/daemon/start.go

53 lines
1.2 KiB
Go
Raw Normal View History

package daemon
import (
"runtime"
derr "github.com/docker/docker/errors"
"github.com/docker/docker/runconfig"
"github.com/docker/docker/utils"
)
// 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 {
if err := daemon.setHostConfig(container, hostConfig); err != nil {
return err
}
}
} 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 := container.Start(); err != nil {
return derr.ErrorCodeCantStart.WithArgs(name, utils.GetErrorMessage(err))
}
return nil
}