62 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			62 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
package tasks
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import (
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	gocontext "context"
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	"time"
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	"github.com/containerd/console"
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	"github.com/containerd/containerd"
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	"github.com/containerd/containerd/cio"
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	"github.com/containerd/containerd/log"
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	"github.com/pkg/errors"
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	"github.com/urfave/cli"
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)
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// HandleConsoleResize resizes the console
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func HandleConsoleResize(ctx gocontext.Context, task resizer, con console.Console) error {
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	// do an initial resize of the console
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	size, err := con.Size()
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	if err != nil {
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		return err
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	}
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	go func() {
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		prevSize := size
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		for {
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			time.Sleep(time.Millisecond * 250)
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			size, err := con.Size()
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			if err != nil {
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				log.G(ctx).WithError(err).Error("get pty size")
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				continue
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			}
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			if size.Width != prevSize.Width || size.Height != prevSize.Height {
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				if err := task.Resize(ctx, uint32(size.Width), uint32(size.Height)); err != nil {
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					log.G(ctx).WithError(err).Error("resize pty")
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				}
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				prevSize = size
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			}
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		}
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	}()
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	return nil
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}
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// NewTask creates a new task
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func NewTask(ctx gocontext.Context, client *containerd.Client, container containerd.Container, _ string, tty, nullIO bool, ioOpts []cio.Opt, opts ...containerd.NewTaskOpts) (containerd.Task, error) {
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	ioCreator := cio.NewCreator(append([]cio.Opt{cio.WithStdio}, ioOpts...)...)
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	if tty {
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		ioCreator = cio.NewCreator(append([]cio.Opt{cio.WithStdio, cio.WithTerminal}, ioOpts...)...)
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	}
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	if nullIO {
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		if tty {
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			return nil, errors.New("tty and null-io cannot be used together")
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		}
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		ioCreator = cio.NullIO
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	}
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	return container.NewTask(ctx, ioCreator)
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}
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func getNewTaskOpts(_ *cli.Context) []containerd.NewTaskOpts {
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	return nil
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}
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