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-rw-r--r--libpod/container_api.go20
1 files changed, 18 insertions, 2 deletions
diff --git a/libpod/container_api.go b/libpod/container_api.go
index 0d7bbacd0..aef37dd59 100644
--- a/libpod/container_api.go
+++ b/libpod/container_api.go
@@ -9,6 +9,7 @@ import (
"github.com/containers/podman/v2/libpod/define"
"github.com/containers/podman/v2/libpod/events"
+ "github.com/containers/podman/v2/pkg/signal"
"github.com/opentracing/opentracing-go"
"github.com/pkg/errors"
"github.com/sirupsen/logrus"
@@ -129,7 +130,7 @@ func (c *Container) StartAndAttach(ctx context.Context, streams *define.AttachSt
// Attach to the container before starting it
go func() {
- if err := c.attach(streams, keys, resize, true, startedChan); err != nil {
+ if err := c.attach(streams, keys, resize, true, startedChan, nil); err != nil {
attachChan <- err
}
close(attachChan)
@@ -243,8 +244,23 @@ func (c *Container) Attach(streams *define.AttachStreams, keys string, resize <-
return errors.Wrapf(define.ErrCtrStateInvalid, "can only attach to created or running containers")
}
+ // HACK: This is really gross, but there isn't a better way without
+ // splitting attach into separate versions for StartAndAttach and normal
+ // attaching, and I really do not want to do that right now.
+ // Send a SIGWINCH after attach succeeds so that most programs will
+ // redraw the screen for the new attach session.
+ attachRdy := make(chan bool)
+ if c.config.Spec.Process != nil && c.config.Spec.Process.Terminal {
+ go func() {
+ <-attachRdy
+ if err := c.ociRuntime.KillContainer(c, uint(signal.SIGWINCH), false); err != nil {
+ logrus.Warnf("Unable to send SIGWINCH to container %s after attach: %v", c.ID(), err)
+ }
+ }()
+ }
+
c.newContainerEvent(events.Attach)
- return c.attach(streams, keys, resize, false, nil)
+ return c.attach(streams, keys, resize, false, nil, attachRdy)
}
// HTTPAttach forwards an attach session over a hijacked HTTP session.