Function convertServiceNetworks

cli/compose/convert/service.go:197–242

(
	networks map[string]*composetypes.ServiceNetworkConfig,
	networkConfigs networkMap,
	namespace Namespace,
	name string,
)

}

func convertServiceNetworks(
	networks map[string]*composetypes.ServiceNetworkConfig,
	networkConfigs networkMap,
	namespace Namespace,
	name string,
) ([]swarm.NetworkAttachmentConfig, error) {
	if len(networks) == 0 {
		networks = map[string]*composetypes.ServiceNetworkConfig{
			defaultNetwork: {},
		}
	}

	nets := make([]swarm.NetworkAttachmentConfig, 0, len(networks))
	for networkName, nw := range networks {
		networkConfig, ok := networkConfigs[networkName]
		if !ok && networkName != defaultNetwork {
			return nil, fmt.Errorf("undefined network %q", networkName)
		}
		var aliases []string
		var driverOpts map[string]string
		if nw != nil {
			aliases = nw.Aliases
			driverOpts = nw.DriverOpts
		}
		target := namespace.Scope(networkName)
		if networkConfig.Name != "" {
			target = networkConfig.Name
		}
		netAttachConfig := swarm.NetworkAttachmentConfig{
			Target:     target,
			Aliases:    aliases,
			DriverOpts: driverOpts,
		}
		// Only add default aliases to user defined networks. Other networks do
		// not support aliases.
		if container.NetworkMode(target).IsUserDefined() {
			netAttachConfig.Aliases = append(netAttachConfig.Aliases, name)
		}
		nets = append(nets, netAttachConfig)
	}

	sort.Slice(nets, func(i, j int) bool {
		return nets[i].Target < nets[j].Target
	})
	return nets, nil
}

// TODO: fix secrets API so that SecretAPIClient is not required here
func convertServiceSecrets(