func addVxlanPort(ovs *libovsdb.OvsdbClient, bridgeName string, portName string, peerAddress string) { namedPortUuid := "port" namedIntfUuid := "intf" options := make(map[string]interface{}) options["remote_ip"] = peerAddress // intf row to insert intf := make(map[string]interface{}) intf["name"] = portName intf["type"] = `vxlan` intf["options"], _ = libovsdb.NewOvsMap(options) insertIntfOp := libovsdb.Operation{ Op: "insert", Table: "Interface", Row: intf, UUIDName: namedIntfUuid, } // port row to insert port := make(map[string]interface{}) port["name"] = portName port["interfaces"] = libovsdb.UUID{namedIntfUuid} insertPortOp := libovsdb.Operation{ Op: "insert", Table: "Port", Row: port, UUIDName: namedPortUuid, } // Inserting a row in Port table requires mutating the bridge table. mutateUuid := []libovsdb.UUID{libovsdb.UUID{namedPortUuid}} mutateSet, _ := libovsdb.NewOvsSet(mutateUuid) mutation := libovsdb.NewMutation("ports", "insert", mutateSet) condition := libovsdb.NewCondition("name", "==", bridgeName) // simple mutate operation mutateOp := libovsdb.Operation{ Op: "mutate", Table: "Bridge", Mutations: []interface{}{mutation}, Where: []interface{}{condition}, } operations := []libovsdb.Operation{insertIntfOp, insertPortOp, mutateOp} reply, _ := ovs.Transact("Open_vSwitch", operations...) if len(reply) < len(operations) { fmt.Println("Number of Replies should be atleast equal to number of Operations") } for i, o := range reply { if o.Error != "" && i < len(operations) { fmt.Println("Transaction Failed due to an error :", o.Error, " details:", o.Details, " in ", operations[i]) } else if o.Error != "" { fmt.Println("Transaction Failed due to an error :", o.Error) } } }
func createBridge(ovs *libovsdb.OvsdbClient, bridgeName string) { namedUuid := "gopher" // bridge row to insert bridge := make(map[string]interface{}) bridge["name"] = bridgeName // simple insert operation insertOp := libovsdb.Operation{ Op: "insert", Table: "Bridge", Row: bridge, UUIDName: namedUuid, } // Inserting a Bridge row in Bridge table requires mutating the open_vswitch table. mutateUuid := []libovsdb.UUID{libovsdb.UUID{namedUuid}} mutateSet, _ := libovsdb.NewOvsSet(mutateUuid) mutation := libovsdb.NewMutation("bridges", "insert", mutateSet) condition := libovsdb.NewCondition("_uuid", "==", libovsdb.UUID{getRootUuid()}) // simple mutate operation mutateOp := libovsdb.Operation{ Op: "mutate", Table: "Open_vSwitch", Mutations: []interface{}{mutation}, Where: []interface{}{condition}, } operations := []libovsdb.Operation{insertOp, mutateOp} reply, _ := ovs.Transact("Open_vSwitch", operations...) if len(reply) < len(operations) { fmt.Println("Number of Replies should be atleast equal to number of Operations") } ok := true for i, o := range reply { if o.Error != "" && i < len(operations) { fmt.Println("Transaction Failed due to an error :", o.Error, " details:", o.Details, " in ", operations[i]) ok = false } else if o.Error != "" { fmt.Println("Transaction Failed due to an error :", o.Error) ok = false } } if ok { fmt.Println("Bridge Addition Successful : ", reply[0].UUID.GoUuid) } }
func deletePort(ovs *libovsdb.OvsdbClient, bridgeName string, portName string) { condition := libovsdb.NewCondition("name", "==", portName) deleteOp := libovsdb.Operation{ Op: "delete", Table: "Port", Where: []interface{}{condition}, } portUuid := portUuidForName(portName) if portUuid == "" { log.Error("Unable to find a matching Port : ", portName) return } // Deleting a Bridge row in Bridge table requires mutating the open_vswitch table. mutateUuid := []libovsdb.UUID{libovsdb.UUID{portUuid}} mutateSet, _ := libovsdb.NewOvsSet(mutateUuid) mutation := libovsdb.NewMutation("ports", "delete", mutateSet) condition = libovsdb.NewCondition("name", "==", bridgeName) // simple mutate operation mutateOp := libovsdb.Operation{ Op: "mutate", Table: "Bridge", Mutations: []interface{}{mutation}, Where: []interface{}{condition}, } operations := []libovsdb.Operation{deleteOp, mutateOp} reply, _ := ovs.Transact("Open_vSwitch", operations...) if len(reply) < len(operations) { log.Error("Number of Replies should be atleast equal to number of Operations") } for i, o := range reply { if o.Error != "" && i < len(operations) { log.Error("Transaction Failed due to an error :", o.Error, " in ", operations[i]) } else if o.Error != "" { log.Error("Transaction Failed due to an error :", o.Error) } } }
func CreateOVSBridge(ovs *libovsdb.OvsdbClient, bridgeName string) error { namedBridgeUuid := "bridge" namedPortUuid := "port" namedIntfUuid := "intf" // intf row to insert intf := make(map[string]interface{}) intf["name"] = bridgeName intf["type"] = `internal` insertIntfOp := libovsdb.Operation{ Op: "insert", Table: "Interface", Row: intf, UUIDName: namedIntfUuid, } // port row to insert port := make(map[string]interface{}) port["name"] = bridgeName port["interfaces"] = libovsdb.UUID{namedIntfUuid} insertPortOp := libovsdb.Operation{ Op: "insert", Table: "Port", Row: port, UUIDName: namedPortUuid, } // bridge row to insert bridge := make(map[string]interface{}) bridge["name"] = bridgeName bridge["stp_enable"] = true bridge["ports"] = libovsdb.UUID{namedPortUuid} insertBridgeOp := libovsdb.Operation{ Op: "insert", Table: "Bridge", Row: bridge, UUIDName: namedBridgeUuid, } // Inserting a Bridge row in Bridge table requires mutating the open_vswitch table. mutateUuid := []libovsdb.UUID{libovsdb.UUID{namedBridgeUuid}} mutateSet, _ := libovsdb.NewOvsSet(mutateUuid) mutation := libovsdb.NewMutation("bridges", "insert", mutateSet) condition := libovsdb.NewCondition("_uuid", "==", libovsdb.UUID{getRootUuid()}) // simple mutate operation mutateOp := libovsdb.Operation{ Op: "mutate", Table: "Open_vSwitch", Mutations: []interface{}{mutation}, Where: []interface{}{condition}, } operations := []libovsdb.Operation{insertIntfOp, insertPortOp, insertBridgeOp, mutateOp} reply, _ := ovs.Transact("Open_vSwitch", operations...) if len(reply) < len(operations) { return errors.New("Number of Replies should be atleast equal to number of Operations") } for i, o := range reply { if o.Error != "" && i < len(operations) { return errors.New("Transaction Failed due to an error :" + o.Error + " details : " + o.Details) } else if o.Error != "" { return errors.New("Transaction Failed due to an error :" + o.Error + " details : " + o.Details) } } return nil }
func AddInternalPort(ovs *libovsdb.OvsdbClient, bridgeName string, portName string, tag uint) error { namedPortUuid := "port" namedIntfUuid := "intf" // intf row to insert intf := make(map[string]interface{}) intf["name"] = portName intf["type"] = `internal` insertIntfOp := libovsdb.Operation{ Op: "insert", Table: "Interface", Row: intf, UUIDName: namedIntfUuid, } // port row to insert port := make(map[string]interface{}) port["name"] = portName port["interfaces"] = libovsdb.UUID{namedIntfUuid} if tag != 0 { port["tag"] = tag } insertPortOp := libovsdb.Operation{ Op: "insert", Table: "Port", Row: port, UUIDName: namedPortUuid, } // Inserting a row in Port table requires mutating the bridge table. mutateUuid := []libovsdb.UUID{libovsdb.UUID{namedPortUuid}} mutateSet, _ := libovsdb.NewOvsSet(mutateUuid) mutation := libovsdb.NewMutation("ports", "insert", mutateSet) condition := libovsdb.NewCondition("name", "==", bridgeName) // simple mutate operation mutateOp := libovsdb.Operation{ Op: "mutate", Table: "Bridge", Mutations: []interface{}{mutation}, Where: []interface{}{condition}, } operations := []libovsdb.Operation{insertIntfOp, insertPortOp, mutateOp} reply, _ := ovs.Transact("Open_vSwitch", operations...) if len(reply) < len(operations) { log.Error("Number of Replies should be atleast equal to number of Operations") return errors.New("Number of Replies should be atleast equal to number of Operations") } for i, o := range reply { if o.Error != "" && i < len(operations) { msg := fmt.Sprintf("Transaction Failed due to an error : %v details: %v in %v", o.Error, o.Details, operations[i]) return errors.New(msg) } else if o.Error != "" { msg := fmt.Sprintf("Transaction Failed due to an error : %v", o.Error) return errors.New(msg) } } return nil }