diff options
Diffstat (limited to 'libkpod/wait.go')
-rw-r--r-- | libkpod/wait.go | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/libkpod/wait.go b/libkpod/wait.go new file mode 100644 index 000000000..c7ba57328 --- /dev/null +++ b/libkpod/wait.go @@ -0,0 +1,42 @@ +package libkpod + +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 +} |