cri-o/lib/wait.go

43 lines
952 B
Go
Raw Normal View History

package lib
import (
"github.com/kubernetes-incubator/cri-o/oci"
"github.com/pkg/errors"
"k8s.io/apimachinery/pkg/util/wait"
)
func isStopped(c *ContainerServer, ctr *oci.Container) bool {
c.runtime.UpdateStatus(ctr)
cStatus := c.runtime.ContainerStatus(ctr)
if cStatus.Status == oci.ContainerStateStopped {
return true
}
return false
}
// ContainerWait stops a running container with a grace period (i.e., timeout).
func (c *ContainerServer) ContainerWait(container string) (int32, error) {
ctr, err := c.LookupContainer(container)
if err != nil {
return 0, errors.Wrapf(err, "failed to find container %s", container)
}
err = wait.PollImmediateInfinite(1,
func() (bool, error) {
if !isStopped(c, ctr) {
return false, nil
} else { // nolint
return true, nil // nolint
} // nolint
},
)
if err != nil {
return 0, err
}
exitCode := ctr.State().ExitCode
c.ContainerStateToDisk(ctr)
return exitCode, nil
}