2014-07-31 20:48:23 +00:00
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package daemon
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2015-09-18 17:48:16 +00:00
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import (
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derr "github.com/docker/docker/errors"
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)
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2015-03-25 07:44:12 +00:00
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2015-07-30 21:01:53 +00:00
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// ContainerRestart stops and starts a container. It attempts to
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// gracefully stop the container within the given timeout, forcefully
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// stopping it if the timeout is exceeded. If given a negative
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// timeout, ContainerRestart will wait forever until a graceful
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// stop. Returns an error if the container cannot be found, or if
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// there is an underlying error at any stage of the restart.
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2015-09-29 17:51:40 +00:00
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func (daemon *Daemon) ContainerRestart(name string, seconds int) error {
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container, err := daemon.Get(name)
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2014-12-16 23:06:35 +00:00
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if err != nil {
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2015-03-25 07:44:12 +00:00
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return err
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2014-07-31 20:48:23 +00:00
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}
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2015-11-02 23:25:26 +00:00
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if err := daemon.containerRestart(container, seconds); err != nil {
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2015-09-18 17:48:16 +00:00
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return derr.ErrorCodeCantRestart.WithArgs(name, err)
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2014-12-16 23:06:35 +00:00
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}
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2015-03-25 07:44:12 +00:00
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return nil
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2014-07-31 20:48:23 +00:00
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}
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2015-11-02 23:25:26 +00:00
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// containerRestart attempts to gracefully stop and then start the
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// container. When stopping, wait for the given duration in seconds to
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// gracefully stop, before forcefully terminating the container. If
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// given a negative duration, wait forever for a graceful stop.
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func (daemon *Daemon) containerRestart(container *Container, seconds int) error {
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// Avoid unnecessarily unmounting and then directly mounting
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// the container when the container stops and then starts
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// again
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2015-11-03 01:06:09 +00:00
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if err := daemon.Mount(container); err == nil {
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defer daemon.Unmount(container)
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2015-11-02 23:25:26 +00:00
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}
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if err := daemon.containerStop(container, seconds); err != nil {
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return err
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}
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2015-11-03 01:06:09 +00:00
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if err := daemon.containerStart(container); err != nil {
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2015-11-02 23:25:26 +00:00
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return err
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}
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2015-11-03 17:33:13 +00:00
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daemon.LogContainerEvent(container, "restart")
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2015-11-02 23:25:26 +00:00
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return nil
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}
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