// StopContainer stops a running container.
func StopContainer(daemon *dockertest.Docker, id string) error {
client, err := daemon.Client()
if err != nil {
return errors.Wrap(err, "unable to create docker client")
}
err = client.RemoveContainer(dockerclient.RemoveContainerOptions{
ID: id,
RemoveVolumes: true,
Force: true,
})
if err != nil {
return errors.Wrapf(err, "unable to stop container %s", id)
}
return nil
}
// StartContainer starts a test container and returns its ID.
func StartContainer(daemon *dockertest.Docker, bindings []*beacon.Binding, labels map[string]string) (string, error) {
client, err := daemon.Client()
if err != nil {
return "", errors.Wrap(err, "unable to create docker client")
}
exposedPorts := map[dockerclient.Port]struct{}{}
for _, binding := range bindings {
port := dockerclient.Port(fmt.Sprintf("%d/%s", binding.ContainerPort, binding.Protocol))
exposedPorts[port] = struct{}{}
}
container, err := client.CreateContainer(dockerclient.CreateContainerOptions{
Config: &dockerclient.Config{
Image: fmt.Sprintf("%s:%s", DOCKER_IMAGE_REPO, DOCKER_IMAGE_TAG),
Cmd: []string{"/bin/sh", "-c", "trap exit SIGTERM SIGINT; while true; do sleep 0.1; done"},
ExposedPorts: exposedPorts,
Labels: labels,
},
})
if err != nil {
return "", errors.Wrap(err, "unable to create docker container")
}
portBindings := map[dockerclient.Port][]dockerclient.PortBinding{}
for _, binding := range bindings {
port := dockerclient.Port(fmt.Sprintf("%d/%s", binding.ContainerPort, binding.Protocol))
portBindings[port] = []dockerclient.PortBinding{{
HostIP: binding.HostIP,
HostPort: fmt.Sprintf("%d", binding.HostPort),
}}
}
err = client.StartContainer(container.ID, &dockerclient.HostConfig{
PortBindings: portBindings,
})
if err != nil {
StopContainer(daemon, container.ID)
return "", errors.Wrap(err, "unable to start docker container")
}
return container.ID, nil
}