зеркало из https://github.com/microsoft/docker.git
54 строки
1.3 KiB
Go
54 строки
1.3 KiB
Go
package daemon
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import (
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"runtime"
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"github.com/docker/docker/context"
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derr "github.com/docker/docker/errors"
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"github.com/docker/docker/runconfig"
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"github.com/docker/docker/utils"
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)
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// ContainerStart starts a container.
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func (daemon *Daemon) ContainerStart(ctx context.Context, name string, hostConfig *runconfig.HostConfig) error {
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container, err := daemon.Get(ctx, name)
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if err != nil {
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return err
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}
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if container.isPaused() {
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return derr.ErrorCodeStartPaused
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}
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if container.IsRunning() {
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return derr.ErrorCodeAlreadyStarted
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}
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// Windows does not have the backwards compatibility issue here.
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if runtime.GOOS != "windows" {
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// This is kept for backward compatibility - hostconfig should be passed when
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// creating a container, not during start.
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if hostConfig != nil {
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if err := daemon.setHostConfig(ctx, container, hostConfig); err != nil {
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return err
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}
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}
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} else {
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if hostConfig != nil {
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return derr.ErrorCodeHostConfigStart
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}
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}
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// check if hostConfig is in line with the current system settings.
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// It may happen cgroups are umounted or the like.
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if _, err = daemon.verifyContainerSettings(ctx, container.hostConfig, nil); err != nil {
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return err
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}
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if err := container.Start(ctx); err != nil {
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return derr.ErrorCodeCantStart.WithArgs(name, utils.GetErrorMessage(err))
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}
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return nil
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}
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