def _cleanup_container(self,
container: docker.models.containers.Container):
"""Remove the container."""
try:
container.stop()
container.remove()
except (docker.errors.APIError, docker.errors.NotFound):
raise PipCheckerError(
error_msg="Error occurs when cleaning up docker container."
"Container does not exist.")
def destroy(container: docker.models.containers.Container) -> None:
"""
Destroy a container containing a block device that is used with
loopback devices. Also removes the loopback device.
Args:
container: The container to destroy.
"""
exit_code, output = container.exec_run(
cmd=['cat', 'loopback_device_path'], )
assert exit_code == 0, output.decode()
path = output.decode().rstrip()
exit_code, output = container.exec_run(cmd=['losetup', '-d', path])
assert exit_code == 0, output.decode()
container.stop()
container.remove(v=True)