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-rw-r--r--libpod/container.go33
1 files changed, 33 insertions, 0 deletions
diff --git a/libpod/container.go b/libpod/container.go
index 8bd1a0abf..9ec0fb121 100644
--- a/libpod/container.go
+++ b/libpod/container.go
@@ -19,6 +19,7 @@ import (
crioAnnotations "github.com/projectatomic/libpod/pkg/annotations"
"github.com/sirupsen/logrus"
"github.com/ulule/deepcopier"
+ "k8s.io/apimachinery/pkg/util/wait"
"k8s.io/client-go/tools/remotecommand"
)
@@ -639,3 +640,35 @@ func (c *Container) Export(path string) error {
func (c *Container) Commit() (*storage.Image, error) {
return nil, ErrNotImplemented
}
+
+// Wait blocks on a container to exit and returns its exit code
+func (c *Container) Wait() (int32, error) {
+ err := wait.PollImmediateInfinite(1,
+ func() (bool, error) {
+ stopped, err := c.isStopped()
+ if err != nil {
+ return false, err
+ }
+ if !stopped {
+ return false, nil
+ } else { // nolint
+ return true, nil // nolint
+ } // nolint
+ },
+ )
+ if err != nil {
+ return 0, err
+ }
+ exitCode := c.state.ExitCode
+ return exitCode, nil
+}
+
+func (c *Container) isStopped() (bool, error) {
+ c.lock.Lock()
+ defer c.lock.Unlock()
+ err := c.syncContainer()
+ if err != nil {
+ return true, err
+ }
+ return c.state.State == ContainerStateStopped, nil
+}