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package libkpod
import (
"github.com/projectatomic/libpod/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
}
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