コード例 #1
0
ファイル: ovsdb.go プロジェクト: NetSys/quilt
// This does not cover all cases, they should just be added as needed
func newMutation(column, mutator string, value interface{}) mutation {
	switch typedValue := value.(type) {
	case ovs.UUID:
		uuidSlice := []ovs.UUID{typedValue}
		mutateValue, _ := ovs.NewOvsSet(uuidSlice)
		return ovs.NewMutation(column, mutator, mutateValue)
	default:
		var mutateValue interface{}
		var err error
		switch reflect.ValueOf(typedValue).Kind() {
		case reflect.Slice:
			mutateValue, err = ovs.NewOvsSet(typedValue)
		case reflect.Map:
			mutateValue, err = ovs.NewOvsMap(typedValue)
		default:
			panic(fmt.Sprintf(
				"unhandled value in mutation: value %s, type %s",
				value, typedValue))
		}
		if err != nil {
			return err
		}
		return ovs.NewMutation(column, mutator, mutateValue)
	}
}
コード例 #2
0
ファイル: ovsdb.go プロジェクト: yuenmeiwan/quilt
// This does not cover all cases, they should just be added as needed
func newMutation(column, mutator string, value interface{}) mutation {
	switch typedValue := value.(type) {
	case ovs.UUID:
		uuidSlice := []ovs.UUID{typedValue}
		mutateValue, err := ovs.NewOvsSet(uuidSlice)
		if err != nil {
			// An error can only occur if the input is not a slice
			panic("newMutation(): an impossible error occurred")
		}
		return ovs.NewMutation(column, mutator, mutateValue)
	default:
		var mutateValue interface{}
		var err error
		switch reflect.ValueOf(typedValue).Kind() {
		case reflect.Slice:
			mutateValue, err = ovs.NewOvsSet(typedValue)
		case reflect.Map:
			mutateValue, err = ovs.NewOvsMap(typedValue)
		default:
			panic(fmt.Sprintf(
				"unhandled value in mutation: value %s, type %s",
				value, typedValue))
		}
		if err != nil {
			return err
		}
		return ovs.NewMutation(column, mutator, mutateValue)
	}
}
コード例 #3
0
// Silently fails :/
func (ovsdber *ovsdber) addOvsVethPort(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"] = `system`

	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)

	// Mutate operation
	mutateOp := libovsdb.Operation{
		Op:        "mutate",
		Table:     "Bridge",
		Mutations: []interface{}{mutation},
		Where:     []interface{}{condition},
	}
	operations := []libovsdb.Operation{insertIntfOp, insertPortOp, mutateOp}
	reply, _ := ovsdber.ovsdb.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) {
			msg := fmt.Sprintf("Transaction Failed due to an error ]", o.Error, " details:", o.Details, " in ", operations[i])
			return errors.New(msg)
		} else if o.Error != "" {
			msg := fmt.Sprintf("Transaction Failed due to an error :", o.Error)
			return errors.New(msg)
		}
	}
	return nil
}
コード例 #4
0
func (ovsdber *ovsdber) addVxlanPort(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, _ := ovsdber.ovsdb.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)
		}
	}
}
コード例 #5
0
ファイル: play_with_ovs.go プロジェクト: AdoHe/libovsdb
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)
	}
}
コード例 #6
0
func (ovsdber *ovsdber) deletePort(bridgeName string, portName string) error {
	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 fmt.Errorf("Unable to find a matching Port : [ %s ]", portName)
	}

	// 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, _ := ovsdber.ovsdb.Transact("Open_vSwitch", operations...)

	if len(reply) < len(operations) {
		log.Error("Number of Replies should be atleast equal to number of Operations")
		return fmt.Errorf("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])
			return fmt.Errorf("Transaction Failed due to an error: %s in %v", o.Error, operations[i])
		} else if o.Error != "" {
			log.Error("Transaction Failed due to an error :", o.Error)
			return fmt.Errorf("Transaction Failed due to an error %s", o.Error)
		}
	}
	return nil
}
コード例 #7
0
// deleteBridge deletes the OVS bridge
func (ovsdber *ovsdber) deleteBridge(bridgeName string) error {
	namedBridgeUUID := "bridge"

	// simple delete operation
	condition := libovsdb.NewCondition("name", "==", bridgeName)
	deleteOp := libovsdb.Operation{
		Op:    "delete",
		Table: "Bridge",
		Where: []interface{}{condition},
	}

	// Deleting 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", "delete", mutateSet)

	// simple mutate operation
	mutateOp := libovsdb.Operation{
		Op:        "mutate",
		Table:     "Open_vSwitch",
		Mutations: []interface{}{mutation},
		Where:     []interface{}{condition},
	}

	operations := []libovsdb.Operation{deleteOp, mutateOp}
	reply, _ := ovsdber.ovsdb.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])
			errMsg := fmt.Sprintf("Transaction Failed due to an error: %s in operation: %v", o.Error, operations[i])
			return errors.New(errMsg)
		} else if o.Error != "" {
			errMsg := fmt.Sprintf("Transaction Failed due to an error : %s", o.Error)
			return errors.New(errMsg)
		}
	}
	log.Debugf("OVSDB delete bridge transaction succesful")
	return nil
}
コード例 #8
0
// createOvsdbBridge creates the OVS bridge
func (ovsdber *ovsdber) createOvsdbBridge(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"] = false
	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{ovsdber.getRootUUID()})

	// Mutate operation
	mutateOp := libovsdb.Operation{
		Op:        "mutate",
		Table:     "Open_vSwitch",
		Mutations: []interface{}{mutation},
		Where:     []interface{}{condition},
	}

	operations := []libovsdb.Operation{insertIntfOp, insertPortOp, insertBridgeOp, mutateOp}
	reply, _ := ovsdber.ovsdb.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
}