func (c *Container) addNetNs(config *dockerclient.HostConfig, service project.Service, containers []project.Container) (*dockerclient.HostConfig, error) {
if len(containers) == 0 {
return nil, fmt.Errorf("Failed to find container for networks ns %v", c.service.Config().Net)
}
id, err := containers[0].ID()
if err != nil {
return nil, err
}
config.NetworkMode = "container:" + id
return config, nil
}
func (dg *DockerGoClient) CreateContainer(config *docker.Config, hostConfig *docker.HostConfig, name string) DockerContainerMetadata {
timeout := ttime.After(createContainerTimeout)
hostConfig.NetworkMode = "host"
ctx, cancelFunc := context.WithCancel(context.TODO()) // Could pass one through from engine
response := make(chan DockerContainerMetadata, 1)
go func() { response <- dg.createContainer(ctx, config, hostConfig, name) }()
select {
case resp := <-response:
return resp
case <-timeout:
cancelFunc()
return DockerContainerMetadata{Error: &DockerTimeoutError{createContainerTimeout, "created"}}
}
}
func (dg *DockerGoClient) createContainer(ctx context.Context, config *docker.Config, hostConfig *docker.HostConfig, name string) DockerContainerMetadata {
client := dg.dockerClient
hostConfig.NetworkMode = "host"
containerOptions := docker.CreateContainerOptions{Config: config, HostConfig: hostConfig, Name: name}
dockerContainer, err := client.CreateContainer(containerOptions)
select {
case <-ctx.Done():
// Parent function already timed out; no need to get container metadata
return DockerContainerMetadata{}
default:
}
if err != nil {
return DockerContainerMetadata{Error: CannotXContainerError{"Create", err.Error()}}
}
return dg.containerMetadata(dockerContainer.ID)
}