func driverOptions(config *Config) []nwconfig.Option {
bridgeConfig := options.Generic{
"EnableIPForwarding": config.Bridge.EnableIPForward,
"EnableIPTables": config.Bridge.EnableIPTables,
"EnableUserlandProxy": config.Bridge.EnableUserlandProxy}
bridgeOption := options.Generic{netlabel.GenericData: bridgeConfig}
dOptions := []nwconfig.Option{}
dOptions = append(dOptions, nwconfig.OptionDriverConfig("bridge", bridgeOption))
return dOptions
}
func (d *dnetConnection) dnetDaemon(cfgFile string) error {
if err := startTestDriver(); err != nil {
return fmt.Errorf("failed to start test driver: %v\n", err)
}
cfg, err := d.parseConfig(cfgFile)
var cOptions []config.Option
if err == nil {
cOptions = processConfig(cfg)
} else {
logrus.Errorf("Error parsing config %v", err)
}
bridgeConfig := options.Generic{
"EnableIPForwarding": true,
"EnableIPTables": true,
}
bridgeOption := options.Generic{netlabel.GenericData: bridgeConfig}
cOptions = append(cOptions, config.OptionDriverConfig("bridge", bridgeOption))
controller, err := libnetwork.New(cOptions...)
if err != nil {
fmt.Println("Error starting dnetDaemon :", err)
return err
}
controller.SetClusterProvider(d)
if d.Orchestration.Agent || d.Orchestration.Manager {
d.configEvent <- struct{}{}
}
createDefaultNetwork(controller)
httpHandler := api.NewHTTPHandler(controller)
r := mux.NewRouter().StrictSlash(false)
post := r.PathPrefix("/{.*}/networks").Subrouter()
post.Methods("GET", "PUT", "POST", "DELETE").HandlerFunc(httpHandler)
post = r.PathPrefix("/networks").Subrouter()
post.Methods("GET", "PUT", "POST", "DELETE").HandlerFunc(httpHandler)
post = r.PathPrefix("/{.*}/services").Subrouter()
post.Methods("GET", "PUT", "POST", "DELETE").HandlerFunc(httpHandler)
post = r.PathPrefix("/services").Subrouter()
post.Methods("GET", "PUT", "POST", "DELETE").HandlerFunc(httpHandler)
post = r.PathPrefix("/{.*}/sandboxes").Subrouter()
post.Methods("GET", "PUT", "POST", "DELETE").HandlerFunc(httpHandler)
post = r.PathPrefix("/sandboxes").Subrouter()
post.Methods("GET", "PUT", "POST", "DELETE").HandlerFunc(httpHandler)
handleSignals(controller)
setupDumpStackTrap()
return http.ListenAndServe(d.addr, r)
}
func main() {
// Select and configure the network driver
networkType := "bridge"
// Create a new controller instance
driverOptions := options.Generic{}
genericOption := make(map[string]interface{})
genericOption[netlabel.GenericData] = driverOptions
controller, err := libnetwork.New(config.OptionDriverConfig(networkType, genericOption))
if err != nil {
return
}
// Create a network for containers to join.
// NewNetwork accepts Variadic optional arguments that libnetwork and Drivers can use.
network, err := controller.NewNetwork(networkType, "network1")
if err != nil {
return
}
// For each new container: allocate IP and interfaces. The returned network
// settings will be used for container infos (inspect and such), as well as
// iptables rules for port publishing. This info is contained or accessible
// from the returned endpoint.
ep, err := network.CreateEndpoint("Endpoint1")
if err != nil {
return
}
// Create the sandbox for the containr.
sbx, err := controller.NewSandbox("container1",
libnetwork.OptionHostname("test"),
libnetwork.OptionDomainname("docker.io"))
// A sandbox can join the endpoint via the join api.
// Join accepts Variadic arguments which libnetwork and Drivers can use.
err = ep.Join(sbx)
if err != nil {
return
}
// libnetwork client can check the endpoint's operational data via the Info() API
epInfo, err := ep.DriverInfo()
mapData, ok := epInfo[netlabel.PortMap]
if ok {
portMapping, ok := mapData.([]types.PortBinding)
if ok {
fmt.Printf("Current port mapping for endpoint %s: %v", ep.Name(), portMapping)
}
}
}
func getTestEnv(t *testing.T, empty bool) (NetworkController, Network, Network) {
netType := "bridge"
option := options.Generic{
"EnableIPForwarding": true,
}
genericOption := make(map[string]interface{})
genericOption[netlabel.GenericData] = option
cfgOptions, err := OptionBoltdbWithRandomDBFile()
if err != nil {
t.Fatal(err)
}
c, err := New(append(cfgOptions, config.OptionDriverConfig(netType, genericOption))...)
if err != nil {
t.Fatal(err)
}
if empty {
return c, nil, nil
}
name1 := "test_nw_1"
netOption1 := options.Generic{
netlabel.GenericData: options.Generic{
"BridgeName": name1,
},
}
n1, err := c.NewNetwork(netType, name1, "", NetworkOptionGeneric(netOption1))
if err != nil {
t.Fatal(err)
}
name2 := "test_nw_2"
netOption2 := options.Generic{
netlabel.GenericData: options.Generic{
"BridgeName": name2,
},
}
n2, err := c.NewNetwork(netType, name2, "", NetworkOptionGeneric(netOption2))
if err != nil {
t.Fatal(err)
}
return c, n1, n2
}
func testLocalBackend(t *testing.T, provider, url string, storeConfig *store.Config) {
cfgOptions := []config.Option{}
cfgOptions = append(cfgOptions, config.OptionLocalKVProvider(provider))
cfgOptions = append(cfgOptions, config.OptionLocalKVProviderURL(url))
cfgOptions = append(cfgOptions, config.OptionLocalKVProviderConfig(storeConfig))
driverOptions := options.Generic{}
genericOption := make(map[string]interface{})
genericOption[netlabel.GenericData] = driverOptions
cfgOptions = append(cfgOptions, config.OptionDriverConfig("host", genericOption))
fmt.Printf("URL : %s\n", url)
ctrl, err := New(cfgOptions...)
if err != nil {
t.Fatalf("Error new controller: %v", err)
}
nw, err := ctrl.NewNetwork("host", "host")
if err != nil {
t.Fatalf("Error creating default \"host\" network: %v", err)
}
ep, err := nw.CreateEndpoint("newendpoint", []EndpointOption{}...)
if err != nil {
t.Fatalf("Error creating endpoint: %v", err)
}
store := ctrl.(*controller).localStore.KVStore()
if exists, err := store.Exists(datastore.Key(datastore.NetworkKeyPrefix, string(nw.ID()))); !exists || err != nil {
t.Fatalf("Network key should have been created.")
}
if exists, err := store.Exists(datastore.Key([]string{datastore.EndpointKeyPrefix, string(nw.ID()), string(ep.ID())}...)); exists || err != nil {
t.Fatalf("Endpoint key shouldn't have been created.")
}
store.Close()
// test restore of local store
ctrl, err = New(cfgOptions...)
if err != nil {
t.Fatalf("Error creating controller: %v", err)
}
if _, err = ctrl.NetworkByID(nw.ID()); err != nil {
t.Fatalf("Error getting network %v", err)
}
}
func createController() error {
var err error
option := options.Generic{
"EnableIPForwarding": true,
}
genericOption := make(map[string]interface{})
genericOption[netlabel.GenericData] = option
cfgOptions, err := libnetwork.OptionBoltdbWithRandomDBFile()
if err != nil {
return err
}
controller, err = libnetwork.New(append(cfgOptions, config.OptionDriverConfig(bridgeNetType, genericOption))...)
if err != nil {
return err
}
return nil
}
func getTestEnv(t *testing.T) (NetworkController, Network, Network) {
netType := "bridge"
option := options.Generic{
"EnableIPForwarding": true,
}
genericOption := make(map[string]interface{})
genericOption[netlabel.GenericData] = option
c, err := New(config.OptionDriverConfig(netType, genericOption))
if err != nil {
t.Fatal(err)
}
name1 := "test_nw_1"
netOption1 := options.Generic{
netlabel.GenericData: options.Generic{
"BridgeName": name1,
"AllowNonDefaultBridge": true,
},
}
n1, err := c.NewNetwork(netType, name1, NetworkOptionGeneric(netOption1))
if err != nil {
t.Fatal(err)
}
name2 := "test_nw_2"
netOption2 := options.Generic{
netlabel.GenericData: options.Generic{
"BridgeName": name2,
"AllowNonDefaultBridge": true,
},
}
n2, err := c.NewNetwork(netType, name2, NetworkOptionGeneric(netOption2))
if err != nil {
t.Fatal(err)
}
return c, n1, n2
}
func getTestEnv(t *testing.T, numNetworks int) (NetworkController, []Network) {
netType := "bridge"
option := options.Generic{
"EnableIPForwarding": true,
}
genericOption := make(map[string]interface{})
genericOption[netlabel.GenericData] = option
cfgOptions, err := OptionBoltdbWithRandomDBFile()
if err != nil {
t.Fatal(err)
}
c, err := New(append(cfgOptions, config.OptionDriverConfig(netType, genericOption))...)
if err != nil {
t.Fatal(err)
}
if numNetworks == 0 {
return c, nil
}
nwList := make([]Network, 0, numNetworks)
for i := 0; i < numNetworks; i++ {
name := fmt.Sprintf("test_nw_%d", i)
netOption := options.Generic{
netlabel.GenericData: options.Generic{
"BridgeName": name,
},
}
n, err := c.NewNetwork(netType, name, "", NetworkOptionGeneric(netOption))
if err != nil {
t.Fatal(err)
}
nwList = append(nwList, n)
}
return c, nwList
}
func createController() error {
var err error
// Cleanup local datastore file
os.Remove(datastore.DefaultScopes("")[datastore.LocalScope].Client.Address)
option := options.Generic{
"EnableIPForwarding": true,
}
genericOption := make(map[string]interface{})
genericOption[netlabel.GenericData] = option
cfgOptions, err := libnetwork.OptionBoltdbWithRandomDBFile()
if err != nil {
return err
}
controller, err = libnetwork.New(append(cfgOptions, config.OptionDriverConfig(bridgeNetType, genericOption))...)
if err != nil {
return err
}
return nil
}
func main() {
if reexec.Init() {
return
}
// Select and configure the network driver
networkType := "bridge"
// Create a new controller instance
driverOptions := options.Generic{}
genericOption := make(map[string]interface{})
genericOption[netlabel.GenericData] = driverOptions
controller, err := libnetwork.New(config.OptionDriverConfig(networkType, genericOption))
if err != nil {
log.Fatalf("libnetwork.New: %s", err)
}
// Create a network for containers to join.
// NewNetwork accepts Variadic optional arguments that libnetwork and Drivers can use.
network, err := controller.NewNetwork(networkType, "network1")
if err != nil {
log.Fatalf("controller.NewNetwork: %s", err)
}
// For each new container: allocate IP and interfaces. The returned network
// settings will be used for container infos (inspect and such), as well as
// iptables rules for port publishing. This info is contained or accessible
// from the returned endpoint.
ep, err := network.CreateEndpoint("Endpoint1")
if err != nil {
log.Fatalf("network.CreateEndpoint: %s", err)
}
// Create the sandbox for the container.
// NewSandbox accepts Variadic optional arguments which libnetwork can use.
sbx, err := controller.NewSandbox("container1",
libnetwork.OptionHostname("test"),
libnetwork.OptionDomainname("docker.io"))
if err != nil {
log.Fatalf("controller.NewSandbox: %s", err)
}
// A sandbox can join the endpoint via the join api.
err = ep.Join(sbx)
if err != nil {
log.Fatalf("ep.Join: %s", err)
}
// libnetwork client can check the endpoint's operational data via the Info() API
epInfo, err := ep.DriverInfo()
if err != nil {
log.Fatalf("ep.DriverInfo: %s", err)
}
macAddress, ok := epInfo[netlabel.MacAddress]
if !ok {
log.Fatalf("failed to get mac address from endpoint info")
}
fmt.Printf("Joined endpoint %s (%s) to sandbox %s (%s)\n", ep.Name(), macAddress, sbx.ContainerID(), sbx.Key())
}