func (d *driver) configure() error {
var err error
if len(d.config) == 0 {
return nil
}
d.Do(func() {
if ifaceName, ok := d.config[netlabel.OverlayBindInterface]; ok {
d.ifaceName = ifaceName.(string)
}
if neighIP, ok := d.config[netlabel.OverlayNeighborIP]; ok {
d.neighIP = neighIP.(string)
}
provider, provOk := d.config[netlabel.KVProvider]
provURL, urlOk := d.config[netlabel.KVProviderURL]
if provOk && urlOk {
cfg := &config.DatastoreCfg{
Client: config.DatastoreClientCfg{
Provider: provider.(string),
Address: provURL.(string),
},
}
provConfig, confOk := d.config[netlabel.KVProviderConfig]
if confOk {
cfg.Client.Config = provConfig.(*store.Config)
}
d.store, err = datastore.NewDataStore(cfg)
if err != nil {
err = fmt.Errorf("failed to initialize data store: %v", err)
return
}
}
d.vxlanIdm, err = idm.New(d.store, "vxlan-id", vxlanIDStart, vxlanIDEnd)
if err != nil {
err = fmt.Errorf("failed to initialize vxlan id manager: %v", err)
return
}
d.ipAllocator, err = idm.New(d.store, "ipam-id", 1, 0xFFFF-2)
if err != nil {
err = fmt.Errorf("failed to initalize ipam id manager: %v", err)
return
}
err = d.serfInit()
if err != nil {
err = fmt.Errorf("initializing serf instance failed: %v", err)
}
})
return err
}
func (d *driver) Config(option map[string]interface{}) error {
var onceDone bool
var err error
d.Do(func() {
onceDone = true
if ifaceName, ok := option[netlabel.OverlayBindInterface]; ok {
d.ifaceName = ifaceName.(string)
}
if neighIP, ok := option[netlabel.OverlayNeighborIP]; ok {
d.neighIP = neighIP.(string)
}
provider, provOk := option[netlabel.KVProvider]
provURL, urlOk := option[netlabel.KVProviderURL]
if provOk && urlOk {
cfg := &config.DatastoreCfg{
Client: config.DatastoreClientCfg{
Provider: provider.(string),
Address: provURL.(string),
},
}
d.store, err = datastore.NewDataStore(cfg)
if err != nil {
err = fmt.Errorf("failed to initialize data store: %v", err)
return
}
}
d.vxlanIdm, err = idm.New(d.store, "vxlan-id", vxlanIDStart, vxlanIDEnd)
if err != nil {
err = fmt.Errorf("failed to initialize vxlan id manager: %v", err)
return
}
d.ipAllocator, err = idm.New(d.store, "ipam-id", 1, 0xFFFF-2)
if err != nil {
err = fmt.Errorf("failed to initalize ipam id manager: %v", err)
return
}
err = d.serfInit()
if err != nil {
err = fmt.Errorf("initializing serf instance failed: %v", err)
}
})
if !onceDone {
return fmt.Errorf("config already applied to driver")
}
return err
}
func (d *driver) configure() error {
var err error
if len(d.config) == 0 {
return nil
}
d.once.Do(func() {
provider, provOk := d.config[netlabel.KVProvider]
provURL, urlOk := d.config[netlabel.KVProviderURL]
if provOk && urlOk {
cfg := &config.DatastoreCfg{
Client: config.DatastoreClientCfg{
Provider: provider.(string),
Address: provURL.(string),
},
}
provConfig, confOk := d.config[netlabel.KVProviderConfig]
if confOk {
cfg.Client.Config = provConfig.(*store.Config)
}
d.store, err = datastore.NewDataStore(cfg)
if err != nil {
err = fmt.Errorf("failed to initialize data store: %v", err)
return
}
}
d.vxlanIdm, err = idm.New(d.store, "vxlan-id", vxlanIDStart, vxlanIDEnd)
if err != nil {
err = fmt.Errorf("failed to initialize vxlan id manager: %v", err)
return
}
d.ipAllocator, err = idm.New(d.store, "ipam-id", 1, 0xFFFF-2)
if err != nil {
err = fmt.Errorf("failed to initalize ipam id manager: %v", err)
return
}
})
return err
}
func newPortSpace(protocol api.PortConfig_Protocol) (*portSpace, error) {
masterName := fmt.Sprintf("%s-master-ports", protocol)
dynamicName := fmt.Sprintf("%s-dynamic-ports", protocol)
master, err := idm.New(nil, masterName, masterPortStart, masterPortEnd)
if err != nil {
return nil, err
}
dynamic, err := idm.New(nil, dynamicName, dynamicPortStart, dynamicPortEnd)
if err != nil {
return nil, err
}
return &portSpace{
protocol: protocol,
masterPortSpace: master,
dynamicPortSpace: dynamic,
}, nil
}
func newDriver(t *testing.T) *driver {
d := &driver{
networks: networkTable{},
}
vxlanIdm, err := idm.New(nil, "vxlan-id", vxlanIDStart, vxlanIDEnd)
require.NoError(t, err)
d.vxlanIdm = vxlanIdm
return d
}
func (d *driver) initializeVxlanIdm() error {
var err error
initVxlanIdm <- true
defer func() { <-initVxlanIdm }()
if d.vxlanIdm != nil {
return nil
}
d.vxlanIdm, err = idm.New(d.store, "vxlan-id", vxlanIDStart, vxlanIDEnd)
if err != nil {
return fmt.Errorf("failed to initialize vxlan id manager: %v", err)
}
return nil
}
// Init registers a new instance of overlay driver
func Init(dc driverapi.DriverCallback, config map[string]interface{}) error {
var err error
c := driverapi.Capability{
DataScope: datastore.GlobalScope,
}
d := &driver{
networks: networkTable{},
config: config,
}
d.vxlanIdm, err = idm.New(nil, "vxlan-id", 1, vxlanIDEnd)
if err != nil {
return fmt.Errorf("failed to initialize vxlan id manager: %v", err)
}
return dc.RegisterDriver(networkType, d, c)
}