diff options
Diffstat (limited to 'libkpod/pause.go')
-rw-r--r-- | libkpod/pause.go | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/libkpod/pause.go b/libkpod/pause.go new file mode 100644 index 000000000..29871d32b --- /dev/null +++ b/libkpod/pause.go @@ -0,0 +1,46 @@ +package libkpod + +import ( + "github.com/kubernetes-incubator/cri-o/oci" + "github.com/pkg/errors" +) + +// ContainerPause pauses a running container. +func (c *ContainerServer) ContainerPause(container string) (string, error) { + ctr, err := c.LookupContainer(container) + if err != nil { + return "", errors.Wrapf(err, "failed to find container %s", container) + } + + cStatus := c.runtime.ContainerStatus(ctr) + if cStatus.Status != oci.ContainerStatePaused { + if err := c.runtime.PauseContainer(ctr); err != nil { + return "", errors.Wrapf(err, "failed to pause container %s", ctr.ID()) + } + c.ContainerStateToDisk(ctr) + } else { + return "", errors.Wrapf(err, "container %s is already paused", ctr.ID()) + } + + return ctr.ID(), nil +} + +// ContainerUnpause unpauses a running container with a grace period (i.e., timeout). +func (c *ContainerServer) ContainerUnpause(container string) (string, error) { + ctr, err := c.LookupContainer(container) + if err != nil { + return "", errors.Wrapf(err, "failed to find container %s", container) + } + + cStatus := c.runtime.ContainerStatus(ctr) + if cStatus.Status == oci.ContainerStatePaused { + if err := c.runtime.UnpauseContainer(ctr); err != nil { + return "", errors.Wrapf(err, "failed to unpause container %s", ctr.ID()) + } + c.ContainerStateToDisk(ctr) + } else { + return "", errors.Wrapf(err, "the container %s is not paused", ctr.ID()) + } + + return ctr.ID(), nil +} |