// NewOvsSwitch Creates a new OVS switch instance
func NewOvsSwitch(bridgeName, netType, localIP string) (*OvsSwitch, error) {
var err error
sw := new(OvsSwitch)
sw.bridgeName = bridgeName
sw.netType = netType
// Determine the failure mode
failMode := ""
if netType == "vxlan" {
failMode = "secure"
}
// Create OVS db driver
sw.ovsdbDriver, err = NewOvsdbDriver(bridgeName, failMode)
if err != nil {
log.Fatalf("Error creating ovsdb driver. Err: %v", err)
}
// For Vxlan, initialize ofnet. For VLAN mode, we use OVS normal forwarding
if netType == "vxlan" {
// Create an ofnet agent
sw.ofnetAgent, err = ofnet.NewOfnetAgent("vxlan", net.ParseIP(localIP),
ofnet.OFNET_AGENT_PORT, 6633)
if err != nil {
log.Fatalf("Error initializing ofnet")
return nil, err
}
// Add controller to the OVS
ctrlerIP := "127.0.0.1"
ctrlerPort := uint16(6633)
target := fmt.Sprintf("tcp:%s:%d", ctrlerIP, ctrlerPort)
if !sw.ovsdbDriver.IsControllerPresent(target) {
err = sw.ovsdbDriver.AddController(ctrlerIP, ctrlerPort)
if err != nil {
log.Fatalf("Error adding controller to OVS. Err: %v", err)
return nil, err
}
}
log.Infof("Waiting for OVS switch to connect..")
// Wait for a while for OVS switch to connect to ofnet agent
sw.ofnetAgent.WaitForSwitchConnection()
log.Infof("Switch (vxlan) connected.")
}
return sw, nil
}
// NewOvsSwitch Creates a new OVS switch instance
func NewOvsSwitch(bridgeName, netType, localIP string) (*OvsSwitch, error) {
var err error
sw := new(OvsSwitch)
sw.bridgeName = bridgeName
sw.netType = netType
// Create OVS db driver
sw.ovsdbDriver = ovsdbDriver.NewOvsDriver(bridgeName)
// Create an ofnet agent
sw.ofnetAgent, err = ofnet.NewOfnetAgent(netType, net.ParseIP(localIP), ofnet.OFNET_AGENT_PORT, OVS_CTRLER_PORT)
if err != nil {
log.Fatalf("Error initializing ofnet")
return nil, err
}
// Add controller to the OVS
if !sw.ovsdbDriver.IsControllerPresent(OVS_CTRLER_IP, OVS_CTRLER_PORT) {
err = sw.ovsdbDriver.AddController(OVS_CTRLER_IP, OVS_CTRLER_PORT)
if err != nil {
log.Fatalf("Error adding controller to OVS. Err: %v", err)
return nil, err
}
}
// Wait a little for master to be ready before we connect
time.Sleep(300 * time.Millisecond)
log.Infof("Waiting for OVS switch to connect..")
// Wait for a while for OVS switch to connect to ofnet agent
for i := 0; i < 10; i++ {
time.Sleep(1 * time.Second)
if sw.ofnetAgent.IsSwitchConnected() {
break
}
}
log.Infof("Switch connected.")
return sw, nil
}
// NewOvsSwitch Creates a new OVS switch instance
func NewOvsSwitch(bridgeName, netType, localIP string) (*OvsSwitch, error) {
var err error
sw := new(OvsSwitch)
sw.bridgeName = bridgeName
sw.netType = netType
// Determine the failure mode
failMode := ""
if netType == "vxlan" {
failMode = "secure"
}
// Create OVS db driver
sw.ovsdbDriver, err = NewOvsdbDriver(bridgeName, failMode)
if err != nil {
log.Fatalf("Error creating ovsdb driver. Err: %v", err)
}
// For Vxlan, initialize ofnet. For VLAN mode, we use OVS normal forwarding
if netType == "vxlan" {
// Create ofnet master
// FIXME: Move ofnet master to netmaster.
sw.ofnetMaster = ofnet.NewOfnetMaster(ofnet.OFNET_MASTER_PORT)
if sw.ofnetMaster == nil {
log.Fatalf("Error creating ofnet master")
}
// Create an ofnet agent
sw.ofnetAgent, err = ofnet.NewOfnetAgent("vxlan", net.ParseIP(localIP),
ofnet.OFNET_AGENT_PORT, 6633)
if err != nil {
log.Fatalf("Error initializing ofnet")
return nil, err
}
// Add controller to the OVS
ctrlerIP := "127.0.0.1"
ctrlerPort := uint16(6633)
target := fmt.Sprintf("tcp:%s:%d", ctrlerIP, ctrlerPort)
if !sw.ovsdbDriver.IsControllerPresent(target) {
err = sw.ovsdbDriver.AddController(ctrlerIP, ctrlerPort)
if err != nil {
log.Fatalf("Error adding controller to OVS. Err: %v", err)
return nil, err
}
}
// Wait a little for master to be ready before we connect
time.Sleep(300 * time.Millisecond)
// Let local ofnet agent connect to local master too.
var resp bool
masterInfo := ofnet.OfnetNode{
HostAddr: localIP,
HostPort: ofnet.OFNET_MASTER_PORT,
}
err = sw.ofnetAgent.AddMaster(&masterInfo, &resp)
if err != nil {
log.Errorf("Error adding %s as ofnet master. Err: %v", localIP, err)
}
log.Infof("Waiting for OVS switch to connect..")
// Wait for a while for OVS switch to connect to ofnet agent
for i := 0; i < 10; i++ {
time.Sleep(1 * time.Second)
if sw.ofnetAgent.IsSwitchConnected() {
break
}
}
log.Infof("Switch connected.")
}
return sw, nil
}
// NewOvsSwitch Creates a new OVS switch instance
func NewOvsSwitch(bridgeName, netType, localIP string, fwdMode string, routerInfo ...string) (*OvsSwitch, error) {
var err error
sw := new(OvsSwitch)
sw.bridgeName = bridgeName
sw.netType = netType
// Create OVS db driver
sw.ovsdbDriver, err = NewOvsdbDriver(bridgeName, "secure")
if err != nil {
log.Fatalf("Error creating ovsdb driver. Err: %v", err)
}
// For Vxlan, initialize ofnet. For VLAN mode, we use OVS normal forwarding
if netType == "vxlan" {
// Create an ofnet agent
if fwdMode == "bridge" {
sw.ofnetAgent, err = ofnet.NewOfnetAgent("vxlan", net.ParseIP(localIP),
vxlanOfnetPort, vxlanCtrlerPort)
} else if fwdMode == "routing" {
sw.ofnetAgent, err = ofnet.NewOfnetAgent("vrouter", net.ParseIP(localIP),
vxlanOfnetPort, vxlanCtrlerPort)
} else {
log.Errorf("Invalid Forwarding mode")
return nil, errors.New("Invalid forwarding mode. Expects 'bridge' or 'routing'")
}
if err != nil {
log.Fatalf("Error initializing ofnet")
return nil, err
}
// Add controller to the OVS
ctrlerIP := "127.0.0.1"
target := fmt.Sprintf("tcp:%s:%d", ctrlerIP, vxlanCtrlerPort)
if !sw.ovsdbDriver.IsControllerPresent(target) {
err = sw.ovsdbDriver.AddController(ctrlerIP, vxlanCtrlerPort)
log.Infof("Waiting for OVS switch(%s) to connect..", netType)
// Wait for a while for OVS switch to connect to ofnet agent
sw.ofnetAgent.WaitForSwitchConnection()
log.Infof("Switch (vxlan) connected.")
}
}
if netType == "vlan" {
// Create an ofnet agent
if fwdMode == "bridge" {
// Create an ofnet agent
sw.ofnetAgent, err = ofnet.NewOfnetAgent(netType, net.ParseIP(localIP), vlanOfnetPort, vlanCtrlerPort)
} else if fwdMode == "routing" {
sw.ofnetAgent, err = ofnet.NewOfnetAgent("vlrouter", net.ParseIP(localIP),
vlanOfnetPort, vlanCtrlerPort, routerInfo...)
} else {
log.Errorf("Invalid Forwarding mode")
return nil, errors.New("Invalid forwarding mode. Expects 'bridge' or 'routing'")
}
if err != nil {
log.Fatalf("Error initializing ofnet")
return nil, err
}
// Add controller to the OVS
ctrlerIP := "127.0.0.1"
target := fmt.Sprintf("tcp:%s:%d", ctrlerIP, vlanCtrlerPort)
if !sw.ovsdbDriver.IsControllerPresent(target) {
err = sw.ovsdbDriver.AddController(ctrlerIP, vlanCtrlerPort)
if err != nil {
log.Fatalf("Error adding controller to OVS. Err: %v", err)
return nil, err
}
}
log.Infof("Waiting for OVS switch to connect..")
// Wait for a while for OVS switch to connect to ofnet agent
sw.ofnetAgent.WaitForSwitchConnection()
log.Infof("Switch (vlan) connected.")
}
return sw, nil
}
// NewOvsSwitch Creates a new OVS switch instance
func NewOvsSwitch(bridgeName, netType, localIP string, fwdMode string,
routerInfo ...string) (*OvsSwitch, error) {
var err error
var datapath string
var ofnetPort, ctrlrPort uint16
sw := new(OvsSwitch)
sw.bridgeName = bridgeName
sw.netType = netType
// Create OVS db driver
sw.ovsdbDriver, err = NewOvsdbDriver(bridgeName, "secure")
if err != nil {
log.Fatalf("Error creating ovsdb driver. Err: %v", err)
}
if netType == "vxlan" {
ofnetPort = vxlanOfnetPort
ctrlrPort = vxlanCtrlerPort
switch fwdMode {
case "bridge":
datapath = "vxlan"
case "routing":
datapath = "vrouter"
default:
log.Errorf("Invalid datapath mode")
return nil, errors.New("Invalid forwarding mode. Expects 'bridge' or 'routing'")
}
} else if netType == "vlan" {
ofnetPort = vlanOfnetPort
ctrlrPort = vlanCtrlerPort
switch fwdMode {
case "bridge":
datapath = "vlan"
case "routing":
datapath = "vlrouter"
default:
log.Errorf("Invalid datapath mode")
return nil, errors.New("Invalid forwarding mode. Expects 'bridge' or 'routing'")
}
}
// Create an ofnet agent
sw.ofnetAgent, err = ofnet.NewOfnetAgent(bridgeName, datapath, net.ParseIP(localIP),
ofnetPort, ctrlrPort, routerInfo...)
if err != nil {
log.Fatalf("Error initializing ofnet")
return nil, err
}
// Add controller to the OVS
ctrlerIP := "127.0.0.1"
target := fmt.Sprintf("tcp:%s:%d", ctrlerIP, ctrlrPort)
if !sw.ovsdbDriver.IsControllerPresent(target) {
err = sw.ovsdbDriver.AddController(ctrlerIP, ctrlrPort)
log.Infof("Waiting for OVS switch(%s) to connect..", netType)
// Wait for a while for OVS switch to connect to ofnet agent
sw.ofnetAgent.WaitForSwitchConnection()
log.Infof("Switch (%s) connected.", netType)
}
return sw, nil
}