// CreateVtep creates a VTEP port on the OVS
func (d *OvsdbDriver) CreateVtep(intfName string, vtepRemoteIP string) error {
portUUIDStr := intfName
intfUUIDStr := fmt.Sprintf("Intf%s", intfName)
portUUID := []libovsdb.UUID{{portUUIDStr}}
intfUUID := []libovsdb.UUID{{intfUUIDStr}}
opStr := "insert"
intfType := "vxlan"
var err error
// insert/delete a row in Interface table
intf := make(map[string]interface{})
intf["name"] = intfName
intf["type"] = intfType
// Special handling for VTEP ports
intfOptions := make(map[string]interface{})
intfOptions["remote_ip"] = vtepRemoteIP
intfOptions["key"] = "flow" // Insert VNI per flow
intf["options"], err = libovsdb.NewOvsMap(intfOptions)
if err != nil {
log.Errorf("error '%s' creating options from %v \n", err, intfOptions)
return err
}
// Add an entry in Interface table
intfOp := libovsdb.Operation{
Op: opStr,
Table: interfaceTable,
Row: intf,
UUIDName: intfUUIDStr,
}
// insert/delete a row in Port table
port := make(map[string]interface{})
port["name"] = intfName
port["vlan_mode"] = "trunk"
port["interfaces"], err = libovsdb.NewOvsSet(intfUUID)
if err != nil {
return err
}
// Add an entry in Port table
portOp := libovsdb.Operation{
Op: opStr,
Table: portTable,
Row: port,
UUIDName: portUUIDStr,
}
// mutate the Ports column of the row in the Bridge table
mutateSet, _ := libovsdb.NewOvsSet(portUUID)
mutation := libovsdb.NewMutation("ports", opStr, mutateSet)
condition := libovsdb.NewCondition("name", "==", d.bridgeName)
mutateOp := libovsdb.Operation{
Op: "mutate",
Table: bridgeTable,
Mutations: []interface{}{mutation},
Where: []interface{}{condition},
}
// Perform OVS transaction
operations := []libovsdb.Operation{intfOp, portOp, mutateOp}
return d.performOvsdbOps(operations)
}
// CreatePort creates an OVS port
func (d *OvsdbDriver) CreatePort(intfName, intfType, id string, tag int) error {
// intfName is assumed to be unique enough to become uuid
portUUIDStr := intfName
intfUUIDStr := fmt.Sprintf("Intf%s", intfName)
portUUID := []libovsdb.UUID{libovsdb.UUID{GoUuid: portUUIDStr}}
intfUUID := []libovsdb.UUID{libovsdb.UUID{GoUuid: intfUUIDStr}}
opStr := "insert"
var err error
// insert/delete a row in Interface table
idMap := make(map[string]string)
intfOp := libovsdb.Operation{}
intf := make(map[string]interface{})
intf["name"] = intfName
intf["type"] = intfType
idMap["endpoint-id"] = id
intf["external_ids"], err = libovsdb.NewOvsMap(idMap)
if err != nil {
return err
}
// interface table ops
intfOp = libovsdb.Operation{
Op: opStr,
Table: interfaceTable,
Row: intf,
UUIDName: intfUUIDStr,
}
// insert/delete a row in Port table
portOp := libovsdb.Operation{}
port := make(map[string]interface{})
port["name"] = intfName
if tag != 0 {
port["vlan_mode"] = "access"
port["tag"] = tag
} else {
port["vlan_mode"] = "trunk"
}
port["interfaces"], err = libovsdb.NewOvsSet(intfUUID)
if err != nil {
return err
}
port["external_ids"], err = libovsdb.NewOvsMap(idMap)
if err != nil {
return err
}
portOp = libovsdb.Operation{
Op: opStr,
Table: portTable,
Row: port,
UUIDName: portUUIDStr,
}
// mutate the Ports column of the row in the Bridge table
mutateSet, _ := libovsdb.NewOvsSet(portUUID)
mutation := libovsdb.NewMutation("ports", opStr, mutateSet)
condition := libovsdb.NewCondition("name", "==", d.bridgeName)
mutateOp := libovsdb.Operation{
Op: "mutate",
Table: bridgeTable,
Mutations: []interface{}{mutation},
Where: []interface{}{condition},
}
operations := []libovsdb.Operation{intfOp, portOp, mutateOp}
return d.performOvsdbOps(operations)
}
