Function Networks

cli/compose/convert/compose.go:61–103

Networks from the compose-file type to the engine API type

(namespace Namespace, networks networkMap, servicesNetworks map[string]struct{})

// Networks from the compose-file type to the engine API type
func Networks(namespace Namespace, networks networkMap, servicesNetworks map[string]struct{}) (map[string]client.NetworkCreateOptions, []string) {
	if networks == nil {
		networks = make(map[string]composetypes.NetworkConfig)
	}

	externalNetworks := []string{}
	result := make(map[string]client.NetworkCreateOptions)
	for internalName := range servicesNetworks {
		nw := networks[internalName]
		if nw.External.External {
			externalNetworks = append(externalNetworks, nw.Name)
			continue
		}

		createOpts := client.NetworkCreateOptions{
			Labels:     addStackLabel(namespace, nw.Labels),
			Driver:     nw.Driver,
			Options:    nw.DriverOpts,
			Internal:   nw.Internal,
			Attachable: nw.Attachable,
		}

		if nw.Ipam.Driver != "" || len(nw.Ipam.Config) > 0 {
			createOpts.IPAM = &network.IPAM{
				Driver: nw.Ipam.Driver,
			}
			for _, ipamConfig := range nw.Ipam.Config {
				sn, _ := netip.ParsePrefix(ipamConfig.Subnet)
				createOpts.IPAM.Config = append(createOpts.IPAM.Config, network.IPAMConfig{
					Subnet: sn,
				})
			}
		}

		networkName := nw.Name
		if nw.Name == "" {
			networkName = namespace.Scope(internalName)
		}
		result[networkName] = createOpts
	}

	return result, externalNetworks
}

// Secrets converts secrets from the Compose type to the engine API type
func Secrets(namespace Namespace, secrets map[string]composetypes.SecretConfig) ([]swarm.SecretSpec, error) {