| // +build windows |
| |
| package windows |
| |
| import ( |
| "encoding/json" |
| "fmt" |
| "net" |
| |
| "github.com/docker/libnetwork/datastore" |
| "github.com/docker/libnetwork/discoverapi" |
| "github.com/docker/libnetwork/netlabel" |
| "github.com/docker/libnetwork/types" |
| "github.com/sirupsen/logrus" |
| ) |
| |
| const ( |
| windowsPrefix = "windows" |
| windowsEndpointPrefix = "windows-endpoint" |
| ) |
| |
| func (d *driver) initStore(option map[string]interface{}) error { |
| if data, ok := option[netlabel.LocalKVClient]; ok { |
| var err error |
| dsc, ok := data.(discoverapi.DatastoreConfigData) |
| if !ok { |
| return types.InternalErrorf("incorrect data in datastore configuration: %v", data) |
| } |
| d.store, err = datastore.NewDataStoreFromConfig(dsc) |
| if err != nil { |
| return types.InternalErrorf("windows driver failed to initialize data store: %v", err) |
| } |
| |
| err = d.populateNetworks() |
| if err != nil { |
| return err |
| } |
| |
| err = d.populateEndpoints() |
| if err != nil { |
| return err |
| } |
| } |
| |
| return nil |
| } |
| |
| func (d *driver) populateNetworks() error { |
| kvol, err := d.store.List(datastore.Key(windowsPrefix), &networkConfiguration{Type: d.name}) |
| if err != nil && err != datastore.ErrKeyNotFound { |
| return fmt.Errorf("failed to get windows network configurations from store: %v", err) |
| } |
| |
| // It's normal for network configuration state to be empty. Just return. |
| if err == datastore.ErrKeyNotFound { |
| return nil |
| } |
| |
| for _, kvo := range kvol { |
| ncfg := kvo.(*networkConfiguration) |
| if ncfg.Type != d.name { |
| continue |
| } |
| if err = d.createNetwork(ncfg); err != nil { |
| logrus.Warnf("could not create windows network for id %s hnsid %s while booting up from persistent state: %v", ncfg.ID, ncfg.HnsID, err) |
| } |
| logrus.Debugf("Network (%s) restored", ncfg.ID[0:7]) |
| } |
| |
| return nil |
| } |
| |
| func (d *driver) populateEndpoints() error { |
| kvol, err := d.store.List(datastore.Key(windowsEndpointPrefix), &hnsEndpoint{Type: d.name}) |
| if err != nil && err != datastore.ErrKeyNotFound { |
| return fmt.Errorf("failed to get endpoints from store: %v", err) |
| } |
| |
| if err == datastore.ErrKeyNotFound { |
| return nil |
| } |
| |
| for _, kvo := range kvol { |
| ep := kvo.(*hnsEndpoint) |
| if ep.Type != d.name { |
| continue |
| } |
| n, ok := d.networks[ep.nid] |
| if !ok { |
| logrus.Debugf("Network (%s) not found for restored endpoint (%s)", ep.nid[0:7], ep.id[0:7]) |
| logrus.Debugf("Deleting stale endpoint (%s) from store", ep.id[0:7]) |
| if err := d.storeDelete(ep); err != nil { |
| logrus.Debugf("Failed to delete stale endpoint (%s) from store", ep.id[0:7]) |
| } |
| continue |
| } |
| n.endpoints[ep.id] = ep |
| logrus.Debugf("Endpoint (%s) restored to network (%s)", ep.id[0:7], ep.nid[0:7]) |
| } |
| |
| return nil |
| } |
| |
| func (d *driver) storeUpdate(kvObject datastore.KVObject) error { |
| if d.store == nil { |
| logrus.Warnf("store not initialized. kv object %s is not added to the store", datastore.Key(kvObject.Key()...)) |
| return nil |
| } |
| |
| if err := d.store.PutObjectAtomic(kvObject); err != nil { |
| return fmt.Errorf("failed to update store for object type %T: %v", kvObject, err) |
| } |
| |
| return nil |
| } |
| |
| func (d *driver) storeDelete(kvObject datastore.KVObject) error { |
| if d.store == nil { |
| logrus.Debugf("store not initialized. kv object %s is not deleted from store", datastore.Key(kvObject.Key()...)) |
| return nil |
| } |
| |
| retry: |
| if err := d.store.DeleteObjectAtomic(kvObject); err != nil { |
| if err == datastore.ErrKeyModified { |
| if err := d.store.GetObject(datastore.Key(kvObject.Key()...), kvObject); err != nil { |
| return fmt.Errorf("could not update the kvobject to latest when trying to delete: %v", err) |
| } |
| goto retry |
| } |
| return err |
| } |
| |
| return nil |
| } |
| |
| func (ncfg *networkConfiguration) MarshalJSON() ([]byte, error) { |
| nMap := make(map[string]interface{}) |
| |
| nMap["ID"] = ncfg.ID |
| nMap["Type"] = ncfg.Type |
| nMap["Name"] = ncfg.Name |
| nMap["HnsID"] = ncfg.HnsID |
| nMap["VLAN"] = ncfg.VLAN |
| nMap["VSID"] = ncfg.VSID |
| nMap["DNSServers"] = ncfg.DNSServers |
| nMap["DNSSuffix"] = ncfg.DNSSuffix |
| nMap["SourceMac"] = ncfg.SourceMac |
| nMap["NetworkAdapterName"] = ncfg.NetworkAdapterName |
| |
| return json.Marshal(nMap) |
| } |
| |
| func (ncfg *networkConfiguration) UnmarshalJSON(b []byte) error { |
| var ( |
| err error |
| nMap map[string]interface{} |
| ) |
| |
| if err = json.Unmarshal(b, &nMap); err != nil { |
| return err |
| } |
| |
| ncfg.ID = nMap["ID"].(string) |
| ncfg.Type = nMap["Type"].(string) |
| ncfg.Name = nMap["Name"].(string) |
| ncfg.HnsID = nMap["HnsID"].(string) |
| ncfg.VLAN = uint(nMap["VLAN"].(float64)) |
| ncfg.VSID = uint(nMap["VSID"].(float64)) |
| ncfg.DNSServers = nMap["DNSServers"].(string) |
| ncfg.DNSSuffix = nMap["DNSSuffix"].(string) |
| ncfg.SourceMac = nMap["SourceMac"].(string) |
| ncfg.NetworkAdapterName = nMap["NetworkAdapterName"].(string) |
| return nil |
| } |
| |
| func (ncfg *networkConfiguration) Key() []string { |
| return []string{windowsPrefix + ncfg.Type, ncfg.ID} |
| } |
| |
| func (ncfg *networkConfiguration) KeyPrefix() []string { |
| return []string{windowsPrefix + ncfg.Type} |
| } |
| |
| func (ncfg *networkConfiguration) Value() []byte { |
| b, err := json.Marshal(ncfg) |
| if err != nil { |
| return nil |
| } |
| return b |
| } |
| |
| func (ncfg *networkConfiguration) SetValue(value []byte) error { |
| return json.Unmarshal(value, ncfg) |
| } |
| |
| func (ncfg *networkConfiguration) Index() uint64 { |
| return ncfg.dbIndex |
| } |
| |
| func (ncfg *networkConfiguration) SetIndex(index uint64) { |
| ncfg.dbIndex = index |
| ncfg.dbExists = true |
| } |
| |
| func (ncfg *networkConfiguration) Exists() bool { |
| return ncfg.dbExists |
| } |
| |
| func (ncfg *networkConfiguration) Skip() bool { |
| return false |
| } |
| |
| func (ncfg *networkConfiguration) New() datastore.KVObject { |
| return &networkConfiguration{Type: ncfg.Type} |
| } |
| |
| func (ncfg *networkConfiguration) CopyTo(o datastore.KVObject) error { |
| dstNcfg := o.(*networkConfiguration) |
| *dstNcfg = *ncfg |
| return nil |
| } |
| |
| func (ncfg *networkConfiguration) DataScope() string { |
| return datastore.LocalScope |
| } |
| |
| func (ep *hnsEndpoint) MarshalJSON() ([]byte, error) { |
| epMap := make(map[string]interface{}) |
| epMap["id"] = ep.id |
| epMap["nid"] = ep.nid |
| epMap["Type"] = ep.Type |
| epMap["profileID"] = ep.profileID |
| epMap["MacAddress"] = ep.macAddress.String() |
| if ep.addr.IP != nil { |
| epMap["Addr"] = ep.addr.String() |
| } |
| if ep.gateway != nil { |
| epMap["gateway"] = ep.gateway.String() |
| } |
| epMap["epOption"] = ep.epOption |
| epMap["epConnectivity"] = ep.epConnectivity |
| epMap["PortMapping"] = ep.portMapping |
| |
| return json.Marshal(epMap) |
| } |
| |
| func (ep *hnsEndpoint) UnmarshalJSON(b []byte) error { |
| var ( |
| err error |
| epMap map[string]interface{} |
| ) |
| |
| if err = json.Unmarshal(b, &epMap); err != nil { |
| return fmt.Errorf("Failed to unmarshal to endpoint: %v", err) |
| } |
| if v, ok := epMap["MacAddress"]; ok { |
| if ep.macAddress, err = net.ParseMAC(v.(string)); err != nil { |
| return types.InternalErrorf("failed to decode endpoint MAC address (%s) after json unmarshal: %v", v.(string), err) |
| } |
| } |
| if v, ok := epMap["Addr"]; ok { |
| if ep.addr, err = types.ParseCIDR(v.(string)); err != nil { |
| return types.InternalErrorf("failed to decode endpoint IPv4 address (%s) after json unmarshal: %v", v.(string), err) |
| } |
| } |
| if v, ok := epMap["gateway"]; ok { |
| ep.gateway = net.ParseIP(v.(string)) |
| } |
| ep.id = epMap["id"].(string) |
| ep.Type = epMap["Type"].(string) |
| ep.nid = epMap["nid"].(string) |
| ep.profileID = epMap["profileID"].(string) |
| d, _ := json.Marshal(epMap["epOption"]) |
| if err := json.Unmarshal(d, &ep.epOption); err != nil { |
| logrus.Warnf("Failed to decode endpoint container config %v", err) |
| } |
| d, _ = json.Marshal(epMap["epConnectivity"]) |
| if err := json.Unmarshal(d, &ep.epConnectivity); err != nil { |
| logrus.Warnf("Failed to decode endpoint external connectivity configuration %v", err) |
| } |
| d, _ = json.Marshal(epMap["PortMapping"]) |
| if err := json.Unmarshal(d, &ep.portMapping); err != nil { |
| logrus.Warnf("Failed to decode endpoint port mapping %v", err) |
| } |
| |
| return nil |
| } |
| |
| func (ep *hnsEndpoint) Key() []string { |
| return []string{windowsEndpointPrefix + ep.Type, ep.id} |
| } |
| |
| func (ep *hnsEndpoint) KeyPrefix() []string { |
| return []string{windowsEndpointPrefix + ep.Type} |
| } |
| |
| func (ep *hnsEndpoint) Value() []byte { |
| b, err := json.Marshal(ep) |
| if err != nil { |
| return nil |
| } |
| return b |
| } |
| |
| func (ep *hnsEndpoint) SetValue(value []byte) error { |
| return json.Unmarshal(value, ep) |
| } |
| |
| func (ep *hnsEndpoint) Index() uint64 { |
| return ep.dbIndex |
| } |
| |
| func (ep *hnsEndpoint) SetIndex(index uint64) { |
| ep.dbIndex = index |
| ep.dbExists = true |
| } |
| |
| func (ep *hnsEndpoint) Exists() bool { |
| return ep.dbExists |
| } |
| |
| func (ep *hnsEndpoint) Skip() bool { |
| return false |
| } |
| |
| func (ep *hnsEndpoint) New() datastore.KVObject { |
| return &hnsEndpoint{Type: ep.Type} |
| } |
| |
| func (ep *hnsEndpoint) CopyTo(o datastore.KVObject) error { |
| dstEp := o.(*hnsEndpoint) |
| *dstEp = *ep |
| return nil |
| } |
| |
| func (ep *hnsEndpoint) DataScope() string { |
| return datastore.LocalScope |
| } |