Example #1
0
func UpdatePortContext(ovs *libovsdb.OvsdbClient, portName string, key string, context string) error {
	config := make(map[string]string)
	config[CONTEXT_KEY] = key
	config[CONTEXT_VALUE] = context
	other_config, _ := libovsdb.NewOvsMap(config)

	mutation := libovsdb.NewMutation("other_config", "insert", other_config)
	condition := libovsdb.NewCondition("name", "==", portName)

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

	operations := []libovsdb.Operation{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(fmt.Sprintln("Transaction Failed due to an error :", o.Error, " details:", o.Details, " in ", operations[i]))
		} else if o.Error != "" {
			return errors.New(fmt.Sprintln("Transaction Failed due to an error :", o.Error))
		}
	}
	return nil
}
Example #2
0
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)
		}
	}
}