func (c *Container) populateAdditionalHostConfig(hostConfig *dockerclient.HostConfig) error {
links := map[string]string{}
for _, link := range c.service.DependentServices() {
if _, ok := c.service.context.Project.Configs[link.Target]; !ok {
continue
}
service, err := c.service.context.Project.CreateService(link.Target)
if err != nil {
return err
}
containers, err := service.Containers()
if err != nil {
return err
}
if link.Type == project.RelTypeLink {
c.addLinks(links, service, link, containers)
} else if link.Type == project.RelTypeIpcNamespace {
hostConfig, err = c.addIpc(hostConfig, service, containers)
} else if link.Type == project.RelTypeNetNamespace {
hostConfig, err = c.addNetNs(hostConfig, service, containers)
}
if err != nil {
return err
}
}
hostConfig.Links = []string{}
for k, v := range links {
hostConfig.Links = append(hostConfig.Links, strings.Join([]string{v, k}, ":"))
}
for _, v := range c.service.Config().ExternalLinks {
hostConfig.Links = append(hostConfig.Links, v)
}
return nil
}
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
}