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|
package tunnel
import (
"context"
"os"
"syscall"
"github.com/containers/podman/v4/libpod/define"
"github.com/containers/podman/v4/pkg/signal"
"github.com/sirupsen/logrus"
)
// Image-related runtime using an ssh-tunnel to utilize Podman service
type ImageEngine struct {
ClientCtx context.Context
}
// Container-related runtime using an ssh-tunnel to utilize Podman service
type ContainerEngine struct {
ClientCtx context.Context
}
// Container-related runtime using an ssh-tunnel to utilize Podman service
type SystemEngine struct {
ClientCtx context.Context
}
func remoteProxySignals(ctrID string, killFunc func(string) error) {
sigBuffer := make(chan os.Signal, signal.SignalBufferSize)
signal.CatchAll(sigBuffer)
logrus.Debugf("Enabling signal proxying")
go func() {
for s := range sigBuffer {
syscallSignal := s.(syscall.Signal)
if signal.IsSignalIgnoredBySigProxy(syscallSignal) {
continue
}
signalName, err := signal.ParseSysSignalToName(syscallSignal)
if err != nil {
logrus.Infof("Ceasing signal %v forwarding to container %s as it has stopped: %s", s, ctrID, err)
}
if err := killFunc(signalName); err != nil {
if err.Error() == define.ErrCtrStateInvalid.Error() {
logrus.Debugf("Ceasing signal %q forwarding to container %s as it has stopped", signalName, ctrID)
}
}
}
}()
}
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