// 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)
}
}
// 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)
}
}
// 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
}
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)
}
}
}
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 (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
}
// 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
}
// 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
}