func procAttachBackend(c libnetwork.NetworkController, vars map[string]string, body []byte) (interface{}, *responseStatus) {
var bk endpointJoin
var setFctList []libnetwork.EndpointOption
err := json.Unmarshal(body, &bk)
if err != nil {
return nil, &responseStatus{Status: "Invalid body: " + err.Error(), StatusCode: http.StatusBadRequest}
}
epT, epBy := detectEndpointTarget(vars)
sv, errRsp := findService(c, epT, epBy)
if !errRsp.isOK() {
return nil, errRsp
}
sb, errRsp := findSandbox(c, bk.SandboxID, byID)
if !errRsp.isOK() {
return nil, errRsp
}
for _, str := range bk.Aliases {
name, alias, err := netutils.ParseAlias(str)
if err != nil {
return "", convertNetworkError(err)
}
setFctList = append(setFctList, libnetwork.CreateOptionAlias(name, alias))
}
err = sv.Join(sb, setFctList...)
if err != nil {
return nil, convertNetworkError(err)
}
return sb.Key(), &successResponse
}
// BuildJoinOptions builds endpoint Join options from a given network.
func (container *Container) BuildJoinOptions(n libnetwork.Network) ([]libnetwork.EndpointOption, error) {
var joinOptions []libnetwork.EndpointOption
if epConfig, ok := container.NetworkSettings.Networks[n.Name()]; ok {
for _, str := range epConfig.Links {
name, alias, err := runconfigopts.ParseLink(str)
if err != nil {
return nil, err
}
joinOptions = append(joinOptions, libnetwork.CreateOptionAlias(name, alias))
}
}
return joinOptions, nil
}