55 lines
1.5 KiB
Go
55 lines
1.5 KiB
Go
package daemon // import "github.com/docker/docker/daemon"
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import (
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"context"
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"fmt"
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"time"
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)
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// ContainerResize changes the size of the TTY of the process running
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// in the container with the given name to the given height and width.
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func (daemon *Daemon) ContainerResize(name string, height, width int) error {
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container, err := daemon.GetContainer(name)
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if err != nil {
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return err
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}
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container.Lock()
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tsk, err := container.GetRunningTask()
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container.Unlock()
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if err != nil {
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return err
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}
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if err = tsk.Resize(context.Background(), uint32(width), uint32(height)); err == nil {
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attributes := map[string]string{
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"height": fmt.Sprintf("%d", height),
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"width": fmt.Sprintf("%d", width),
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}
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daemon.LogContainerEventWithAttributes(container, "resize", attributes)
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}
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return err
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}
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// ContainerExecResize changes the size of the TTY of the process
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// running in the exec with the given name to the given height and
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// width.
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func (daemon *Daemon) ContainerExecResize(name string, height, width int) error {
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ec, err := daemon.getExecConfig(name)
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if err != nil {
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return err
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}
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// TODO: the timeout is hardcoded here, it would be more flexible to make it
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// a parameter in resize request context, which would need API changes.
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timeout := time.NewTimer(10 * time.Second)
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defer timeout.Stop()
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select {
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case <-ec.Started:
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return ec.Process.Resize(context.Background(), uint32(width), uint32(height))
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case <-timeout.C:
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return fmt.Errorf("timeout waiting for exec session ready")
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}
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}
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