Files
gocast/vendor/github.com/osrg/gobgp/internal/pkg/config/util.go
Mayuresh Gaitonde 6be4d69d02 Add unit tests
2020-12-17 17:25:53 -08:00

739 lines
24 KiB
Go

// Copyright (C) 2015 Nippon Telegraph and Telephone Corporation.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
// implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package config
import (
"fmt"
"net"
"path/filepath"
"regexp"
"strconv"
"strings"
"time"
"github.com/golang/protobuf/ptypes"
"github.com/golang/protobuf/ptypes/timestamp"
api "github.com/osrg/gobgp/api"
"github.com/osrg/gobgp/internal/pkg/apiutil"
"github.com/osrg/gobgp/pkg/packet/bgp"
)
// Returns config file type by retrieving extension from the given path.
// If no corresponding type found, returns the given def as the default value.
func detectConfigFileType(path, def string) string {
switch ext := filepath.Ext(path); ext {
case ".toml":
return "toml"
case ".yaml", ".yml":
return "yaml"
case ".json":
return "json"
default:
return def
}
}
// yaml is decoded as []interface{}
// but toml is decoded as []map[string]interface{}.
// currently, viper can't hide this difference.
// handle the difference here.
func extractArray(intf interface{}) ([]interface{}, error) {
if intf != nil {
list, ok := intf.([]interface{})
if ok {
return list, nil
}
l, ok := intf.([]map[string]interface{})
if !ok {
return nil, fmt.Errorf("invalid configuration: neither []interface{} nor []map[string]interface{}")
}
list = make([]interface{}, 0, len(l))
for _, m := range l {
list = append(list, m)
}
return list, nil
}
return nil, nil
}
func getIPv6LinkLocalAddress(ifname string) (string, error) {
ifi, err := net.InterfaceByName(ifname)
if err != nil {
return "", err
}
addrs, err := ifi.Addrs()
if err != nil {
return "", err
}
for _, addr := range addrs {
ip := addr.(*net.IPNet).IP
if ip.To4() == nil && ip.IsLinkLocalUnicast() {
return fmt.Sprintf("%s%%%s", ip.String(), ifname), nil
}
}
return "", fmt.Errorf("no ipv6 link local address for %s", ifname)
}
func (b *BgpConfigSet) getPeerGroup(n string) (*PeerGroup, error) {
if n == "" {
return nil, nil
}
for _, pg := range b.PeerGroups {
if n == pg.Config.PeerGroupName {
return &pg, nil
}
}
return nil, fmt.Errorf("no such peer-group: %s", n)
}
func (d *DynamicNeighbor) validate(b *BgpConfigSet) error {
if d.Config.PeerGroup == "" {
return fmt.Errorf("dynamic neighbor requires the peer group config")
}
if _, err := b.getPeerGroup(d.Config.PeerGroup); err != nil {
return err
}
if _, _, err := net.ParseCIDR(d.Config.Prefix); err != nil {
return fmt.Errorf("invalid dynamic neighbor prefix %s", d.Config.Prefix)
}
return nil
}
func (n *Neighbor) IsConfederationMember(g *Global) bool {
for _, member := range g.Confederation.Config.MemberAsList {
if member == n.Config.PeerAs {
return true
}
}
return false
}
func (n *Neighbor) IsConfederation(g *Global) bool {
if n.Config.PeerAs == g.Config.As {
return true
}
return n.IsConfederationMember(g)
}
func (n *Neighbor) IsEBGPPeer(g *Global) bool {
return n.Config.PeerAs != g.Config.As
}
func (n *Neighbor) CreateRfMap() map[bgp.RouteFamily]bgp.BGPAddPathMode {
rfMap := make(map[bgp.RouteFamily]bgp.BGPAddPathMode)
for _, af := range n.AfiSafis {
mode := bgp.BGP_ADD_PATH_NONE
if af.AddPaths.State.Receive {
mode |= bgp.BGP_ADD_PATH_RECEIVE
}
if af.AddPaths.State.SendMax > 0 {
mode |= bgp.BGP_ADD_PATH_SEND
}
rfMap[af.State.Family] = mode
}
return rfMap
}
func (n *Neighbor) GetAfiSafi(family bgp.RouteFamily) *AfiSafi {
for _, a := range n.AfiSafis {
if string(a.Config.AfiSafiName) == family.String() {
return &a
}
}
return nil
}
func (n *Neighbor) ExtractNeighborAddress() (string, error) {
addr := n.State.NeighborAddress
if addr == "" {
addr = n.Config.NeighborAddress
if addr == "" {
return "", fmt.Errorf("NeighborAddress is not configured")
}
}
return addr, nil
}
func (n *Neighbor) IsAddPathReceiveEnabled(family bgp.RouteFamily) bool {
for _, af := range n.AfiSafis {
if af.State.Family == family {
return af.AddPaths.State.Receive
}
}
return false
}
type AfiSafis []AfiSafi
func (c AfiSafis) ToRfList() ([]bgp.RouteFamily, error) {
rfs := make([]bgp.RouteFamily, 0, len(c))
for _, af := range c {
rfs = append(rfs, af.State.Family)
}
return rfs, nil
}
func inSlice(n Neighbor, b []Neighbor) int {
for i, nb := range b {
if nb.State.NeighborAddress == n.State.NeighborAddress {
return i
}
}
return -1
}
func existPeerGroup(n string, b []PeerGroup) int {
for i, nb := range b {
if nb.Config.PeerGroupName == n {
return i
}
}
return -1
}
func isAfiSafiChanged(x, y []AfiSafi) bool {
if len(x) != len(y) {
return true
}
m := make(map[string]AfiSafi)
for i, e := range x {
m[string(e.Config.AfiSafiName)] = x[i]
}
for _, e := range y {
if v, ok := m[string(e.Config.AfiSafiName)]; !ok || !v.Config.Equal(&e.Config) || !v.AddPaths.Config.Equal(&e.AddPaths.Config) || !v.MpGracefulRestart.Config.Equal(&e.MpGracefulRestart.Config) {
return true
}
}
return false
}
func (n *Neighbor) NeedsResendOpenMessage(new *Neighbor) bool {
return !n.Config.Equal(&new.Config) ||
!n.Transport.Config.Equal(&new.Transport.Config) ||
!n.AddPaths.Config.Equal(&new.AddPaths.Config) ||
!n.AsPathOptions.Config.Equal(&new.AsPathOptions.Config) ||
!n.GracefulRestart.Config.Equal(&new.GracefulRestart.Config) ||
isAfiSafiChanged(n.AfiSafis, new.AfiSafis)
}
// TODO: these regexp are duplicated in api
var _regexpPrefixMaskLengthRange = regexp.MustCompile(`(\d+)\.\.(\d+)`)
func ParseMaskLength(prefix, mask string) (int, int, error) {
_, ipNet, err := net.ParseCIDR(prefix)
if err != nil {
return 0, 0, fmt.Errorf("invalid prefix: %s", prefix)
}
if mask == "" {
l, _ := ipNet.Mask.Size()
return l, l, nil
}
elems := _regexpPrefixMaskLengthRange.FindStringSubmatch(mask)
if len(elems) != 3 {
return 0, 0, fmt.Errorf("invalid mask length range: %s", mask)
}
// we've already checked the range is sane by regexp
min, _ := strconv.ParseUint(elems[1], 10, 8)
max, _ := strconv.ParseUint(elems[2], 10, 8)
if min > max {
return 0, 0, fmt.Errorf("invalid mask length range: %s", mask)
}
if ipv4 := ipNet.IP.To4(); ipv4 != nil {
f := func(i uint64) bool {
return i <= 32
}
if !f(min) || !f(max) {
return 0, 0, fmt.Errorf("ipv4 mask length range outside scope :%s", mask)
}
} else {
f := func(i uint64) bool {
return i <= 128
}
if !f(min) || !f(max) {
return 0, 0, fmt.Errorf("ipv6 mask length range outside scope :%s", mask)
}
}
return int(min), int(max), nil
}
func extractFamilyFromConfigAfiSafi(c *AfiSafi) uint32 {
if c == nil {
return 0
}
// If address family value is already stored in AfiSafiState structure,
// we prefer to use this value.
if c.State.Family != 0 {
return uint32(c.State.Family)
}
// In case that Neighbor structure came from CLI or gRPC, address family
// value in AfiSafiState structure can be omitted.
// Here extracts value from AfiSafiName field in AfiSafiConfig structure.
if rf, err := bgp.GetRouteFamily(string(c.Config.AfiSafiName)); err == nil {
return uint32(rf)
}
// Ignores invalid address family name
return 0
}
func newAfiSafiConfigFromConfigStruct(c *AfiSafi) *api.AfiSafiConfig {
rf := extractFamilyFromConfigAfiSafi(c)
afi, safi := bgp.RouteFamilyToAfiSafi(bgp.RouteFamily(rf))
return &api.AfiSafiConfig{
Family: &api.Family{Afi: api.Family_Afi(afi), Safi: api.Family_Safi(safi)},
Enabled: c.Config.Enabled,
}
}
func newApplyPolicyFromConfigStruct(c *ApplyPolicy) *api.ApplyPolicy {
applyPolicy := &api.ApplyPolicy{
ImportPolicy: &api.PolicyAssignment{
Direction: api.PolicyDirection_IMPORT,
DefaultAction: api.RouteAction(c.Config.DefaultImportPolicy.ToInt()),
},
ExportPolicy: &api.PolicyAssignment{
Direction: api.PolicyDirection_EXPORT,
DefaultAction: api.RouteAction(c.Config.DefaultExportPolicy.ToInt()),
},
}
for _, pname := range c.Config.ImportPolicyList {
applyPolicy.ImportPolicy.Policies = append(applyPolicy.ImportPolicy.Policies, &api.Policy{Name: pname})
}
for _, pname := range c.Config.ExportPolicyList {
applyPolicy.ExportPolicy.Policies = append(applyPolicy.ExportPolicy.Policies, &api.Policy{Name: pname})
}
return applyPolicy
}
func newPrefixLimitFromConfigStruct(c *AfiSafi) *api.PrefixLimit {
if c.PrefixLimit.Config.MaxPrefixes == 0 {
return nil
}
afi, safi := bgp.RouteFamilyToAfiSafi(bgp.RouteFamily(c.State.Family))
return &api.PrefixLimit{
Family: &api.Family{Afi: api.Family_Afi(afi), Safi: api.Family_Safi(safi)},
MaxPrefixes: c.PrefixLimit.Config.MaxPrefixes,
ShutdownThresholdPct: uint32(c.PrefixLimit.Config.ShutdownThresholdPct),
}
}
func newRouteTargetMembershipFromConfigStruct(c *RouteTargetMembership) *api.RouteTargetMembership {
return &api.RouteTargetMembership{
Config: &api.RouteTargetMembershipConfig{
DeferralTime: uint32(c.Config.DeferralTime),
},
}
}
func newLongLivedGracefulRestartFromConfigStruct(c *LongLivedGracefulRestart) *api.LongLivedGracefulRestart {
return &api.LongLivedGracefulRestart{
Config: &api.LongLivedGracefulRestartConfig{
Enabled: c.Config.Enabled,
RestartTime: c.Config.RestartTime,
},
}
}
func newAddPathsFromConfigStruct(c *AddPaths) *api.AddPaths {
return &api.AddPaths{
Config: &api.AddPathsConfig{
Receive: c.Config.Receive,
SendMax: uint32(c.Config.SendMax),
},
}
}
func newRouteSelectionOptionsFromConfigStruct(c *RouteSelectionOptions) *api.RouteSelectionOptions {
return &api.RouteSelectionOptions{
Config: &api.RouteSelectionOptionsConfig{
AlwaysCompareMed: c.Config.AlwaysCompareMed,
IgnoreAsPathLength: c.Config.IgnoreAsPathLength,
ExternalCompareRouterId: c.Config.ExternalCompareRouterId,
AdvertiseInactiveRoutes: c.Config.AdvertiseInactiveRoutes,
EnableAigp: c.Config.EnableAigp,
IgnoreNextHopIgpMetric: c.Config.IgnoreNextHopIgpMetric,
},
}
}
func newMpGracefulRestartFromConfigStruct(c *MpGracefulRestart) *api.MpGracefulRestart {
return &api.MpGracefulRestart{
Config: &api.MpGracefulRestartConfig{
Enabled: c.Config.Enabled,
},
}
}
func newUseMultiplePathsFromConfigStruct(c *UseMultiplePaths) *api.UseMultiplePaths {
return &api.UseMultiplePaths{
Config: &api.UseMultiplePathsConfig{
Enabled: c.Config.Enabled,
},
Ebgp: &api.Ebgp{
Config: &api.EbgpConfig{
AllowMultipleAs: c.Ebgp.Config.AllowMultipleAs,
MaximumPaths: c.Ebgp.Config.MaximumPaths,
},
},
Ibgp: &api.Ibgp{
Config: &api.IbgpConfig{
MaximumPaths: c.Ibgp.Config.MaximumPaths,
},
},
}
}
func newAfiSafiFromConfigStruct(c *AfiSafi) *api.AfiSafi {
return &api.AfiSafi{
MpGracefulRestart: newMpGracefulRestartFromConfigStruct(&c.MpGracefulRestart),
Config: newAfiSafiConfigFromConfigStruct(c),
ApplyPolicy: newApplyPolicyFromConfigStruct(&c.ApplyPolicy),
RouteSelectionOptions: newRouteSelectionOptionsFromConfigStruct(&c.RouteSelectionOptions),
UseMultiplePaths: newUseMultiplePathsFromConfigStruct(&c.UseMultiplePaths),
PrefixLimits: newPrefixLimitFromConfigStruct(c),
RouteTargetMembership: newRouteTargetMembershipFromConfigStruct(&c.RouteTargetMembership),
LongLivedGracefulRestart: newLongLivedGracefulRestartFromConfigStruct(&c.LongLivedGracefulRestart),
AddPaths: newAddPathsFromConfigStruct(&c.AddPaths),
}
}
func ProtoTimestamp(secs int64) *timestamp.Timestamp {
if secs == 0 {
return nil
}
t, _ := ptypes.TimestampProto(time.Unix(secs, 0))
return t
}
func NewPeerFromConfigStruct(pconf *Neighbor) *api.Peer {
afiSafis := make([]*api.AfiSafi, 0, len(pconf.AfiSafis))
for _, f := range pconf.AfiSafis {
if afiSafi := newAfiSafiFromConfigStruct(&f); afiSafi != nil {
afiSafis = append(afiSafis, afiSafi)
}
}
timer := pconf.Timers
s := pconf.State
localAddress := pconf.Transport.Config.LocalAddress
if pconf.Transport.State.LocalAddress != "" {
localAddress = pconf.Transport.State.LocalAddress
}
remoteCap, err := apiutil.MarshalCapabilities(pconf.State.RemoteCapabilityList)
if err != nil {
return nil
}
localCap, err := apiutil.MarshalCapabilities(pconf.State.LocalCapabilityList)
if err != nil {
return nil
}
var removePrivateAs api.PeerConf_RemovePrivateAs
switch pconf.Config.RemovePrivateAs {
case REMOVE_PRIVATE_AS_OPTION_ALL:
removePrivateAs = api.PeerConf_ALL
case REMOVE_PRIVATE_AS_OPTION_REPLACE:
removePrivateAs = api.PeerConf_REPLACE
}
return &api.Peer{
ApplyPolicy: newApplyPolicyFromConfigStruct(&pconf.ApplyPolicy),
Conf: &api.PeerConf{
NeighborAddress: pconf.Config.NeighborAddress,
PeerAs: pconf.Config.PeerAs,
LocalAs: pconf.Config.LocalAs,
PeerType: uint32(pconf.Config.PeerType.ToInt()),
AuthPassword: pconf.Config.AuthPassword,
RouteFlapDamping: pconf.Config.RouteFlapDamping,
Description: pconf.Config.Description,
PeerGroup: pconf.Config.PeerGroup,
NeighborInterface: pconf.Config.NeighborInterface,
Vrf: pconf.Config.Vrf,
AllowOwnAs: uint32(pconf.AsPathOptions.Config.AllowOwnAs),
RemovePrivateAs: removePrivateAs,
ReplacePeerAs: pconf.AsPathOptions.Config.ReplacePeerAs,
AdminDown: pconf.Config.AdminDown,
},
State: &api.PeerState{
SessionState: api.PeerState_SessionState(api.PeerState_SessionState_value[strings.ToUpper(string(s.SessionState))]),
AdminState: api.PeerState_AdminState(s.AdminState.ToInt()),
Messages: &api.Messages{
Received: &api.Message{
Notification: s.Messages.Received.Notification,
Update: s.Messages.Received.Update,
Open: s.Messages.Received.Open,
Keepalive: s.Messages.Received.Keepalive,
Refresh: s.Messages.Received.Refresh,
Discarded: s.Messages.Received.Discarded,
Total: s.Messages.Received.Total,
WithdrawUpdate: uint64(s.Messages.Received.WithdrawUpdate),
WithdrawPrefix: uint64(s.Messages.Received.WithdrawPrefix),
},
Sent: &api.Message{
Notification: s.Messages.Sent.Notification,
Update: s.Messages.Sent.Update,
Open: s.Messages.Sent.Open,
Keepalive: s.Messages.Sent.Keepalive,
Refresh: s.Messages.Sent.Refresh,
Discarded: s.Messages.Sent.Discarded,
Total: s.Messages.Sent.Total,
},
},
PeerAs: s.PeerAs,
PeerType: uint32(s.PeerType.ToInt()),
NeighborAddress: pconf.State.NeighborAddress,
Queues: &api.Queues{},
RemoteCap: remoteCap,
LocalCap: localCap,
RouterId: s.RemoteRouterId,
},
EbgpMultihop: &api.EbgpMultihop{
Enabled: pconf.EbgpMultihop.Config.Enabled,
MultihopTtl: uint32(pconf.EbgpMultihop.Config.MultihopTtl),
},
Timers: &api.Timers{
Config: &api.TimersConfig{
ConnectRetry: uint64(timer.Config.ConnectRetry),
HoldTime: uint64(timer.Config.HoldTime),
KeepaliveInterval: uint64(timer.Config.KeepaliveInterval),
IdleHoldTimeAfterReset: uint64(timer.Config.IdleHoldTimeAfterReset),
},
State: &api.TimersState{
KeepaliveInterval: uint64(timer.State.KeepaliveInterval),
NegotiatedHoldTime: uint64(timer.State.NegotiatedHoldTime),
Uptime: ProtoTimestamp(timer.State.Uptime),
Downtime: ProtoTimestamp(timer.State.Downtime),
},
},
RouteReflector: &api.RouteReflector{
RouteReflectorClient: pconf.RouteReflector.Config.RouteReflectorClient,
RouteReflectorClusterId: string(pconf.RouteReflector.State.RouteReflectorClusterId),
},
RouteServer: &api.RouteServer{
RouteServerClient: pconf.RouteServer.Config.RouteServerClient,
SecondaryRoute: pconf.RouteServer.Config.SecondaryRoute,
},
GracefulRestart: &api.GracefulRestart{
Enabled: pconf.GracefulRestart.Config.Enabled,
RestartTime: uint32(pconf.GracefulRestart.Config.RestartTime),
HelperOnly: pconf.GracefulRestart.Config.HelperOnly,
DeferralTime: uint32(pconf.GracefulRestart.Config.DeferralTime),
NotificationEnabled: pconf.GracefulRestart.Config.NotificationEnabled,
LonglivedEnabled: pconf.GracefulRestart.Config.LongLivedEnabled,
LocalRestarting: pconf.GracefulRestart.State.LocalRestarting,
},
Transport: &api.Transport{
RemotePort: uint32(pconf.Transport.Config.RemotePort),
LocalAddress: localAddress,
PassiveMode: pconf.Transport.Config.PassiveMode,
BindInterface: pconf.Transport.Config.BindInterface,
},
AfiSafis: afiSafis,
}
}
func NewPeerGroupFromConfigStruct(pconf *PeerGroup) *api.PeerGroup {
afiSafis := make([]*api.AfiSafi, 0, len(pconf.AfiSafis))
for _, f := range pconf.AfiSafis {
if afiSafi := newAfiSafiFromConfigStruct(&f); afiSafi != nil {
afiSafis = append(afiSafis, afiSafi)
}
}
timer := pconf.Timers
s := pconf.State
return &api.PeerGroup{
ApplyPolicy: newApplyPolicyFromConfigStruct(&pconf.ApplyPolicy),
Conf: &api.PeerGroupConf{
PeerAs: pconf.Config.PeerAs,
LocalAs: pconf.Config.LocalAs,
PeerType: uint32(pconf.Config.PeerType.ToInt()),
AuthPassword: pconf.Config.AuthPassword,
RouteFlapDamping: pconf.Config.RouteFlapDamping,
Description: pconf.Config.Description,
PeerGroupName: pconf.Config.PeerGroupName,
},
Info: &api.PeerGroupState{
PeerAs: s.PeerAs,
PeerType: uint32(s.PeerType.ToInt()),
TotalPaths: s.TotalPaths,
TotalPrefixes: s.TotalPrefixes,
},
EbgpMultihop: &api.EbgpMultihop{
Enabled: pconf.EbgpMultihop.Config.Enabled,
MultihopTtl: uint32(pconf.EbgpMultihop.Config.MultihopTtl),
},
Timers: &api.Timers{
Config: &api.TimersConfig{
ConnectRetry: uint64(timer.Config.ConnectRetry),
HoldTime: uint64(timer.Config.HoldTime),
KeepaliveInterval: uint64(timer.Config.KeepaliveInterval),
IdleHoldTimeAfterReset: uint64(timer.Config.IdleHoldTimeAfterReset),
},
State: &api.TimersState{
KeepaliveInterval: uint64(timer.State.KeepaliveInterval),
NegotiatedHoldTime: uint64(timer.State.NegotiatedHoldTime),
Uptime: ProtoTimestamp(timer.State.Uptime),
Downtime: ProtoTimestamp(timer.State.Downtime),
},
},
RouteReflector: &api.RouteReflector{
RouteReflectorClient: pconf.RouteReflector.Config.RouteReflectorClient,
RouteReflectorClusterId: string(pconf.RouteReflector.Config.RouteReflectorClusterId),
},
RouteServer: &api.RouteServer{
RouteServerClient: pconf.RouteServer.Config.RouteServerClient,
SecondaryRoute: pconf.RouteServer.Config.SecondaryRoute,
},
GracefulRestart: &api.GracefulRestart{
Enabled: pconf.GracefulRestart.Config.Enabled,
RestartTime: uint32(pconf.GracefulRestart.Config.RestartTime),
HelperOnly: pconf.GracefulRestart.Config.HelperOnly,
DeferralTime: uint32(pconf.GracefulRestart.Config.DeferralTime),
NotificationEnabled: pconf.GracefulRestart.Config.NotificationEnabled,
LonglivedEnabled: pconf.GracefulRestart.Config.LongLivedEnabled,
LocalRestarting: pconf.GracefulRestart.State.LocalRestarting,
},
Transport: &api.Transport{
RemotePort: uint32(pconf.Transport.Config.RemotePort),
LocalAddress: pconf.Transport.Config.LocalAddress,
PassiveMode: pconf.Transport.Config.PassiveMode,
},
AfiSafis: afiSafis,
}
}
func NewGlobalFromConfigStruct(c *Global) *api.Global {
families := make([]uint32, 0, len(c.AfiSafis))
for _, f := range c.AfiSafis {
families = append(families, uint32(AfiSafiTypeToIntMap[f.Config.AfiSafiName]))
}
applyPolicy := newApplyPolicyFromConfigStruct(&c.ApplyPolicy)
return &api.Global{
As: c.Config.As,
RouterId: c.Config.RouterId,
ListenPort: c.Config.Port,
ListenAddresses: c.Config.LocalAddressList,
Families: families,
UseMultiplePaths: c.UseMultiplePaths.Config.Enabled,
RouteSelectionOptions: &api.RouteSelectionOptionsConfig{
AlwaysCompareMed: c.RouteSelectionOptions.Config.AlwaysCompareMed,
IgnoreAsPathLength: c.RouteSelectionOptions.Config.IgnoreAsPathLength,
ExternalCompareRouterId: c.RouteSelectionOptions.Config.ExternalCompareRouterId,
AdvertiseInactiveRoutes: c.RouteSelectionOptions.Config.AdvertiseInactiveRoutes,
EnableAigp: c.RouteSelectionOptions.Config.EnableAigp,
IgnoreNextHopIgpMetric: c.RouteSelectionOptions.Config.IgnoreNextHopIgpMetric,
DisableBestPathSelection: c.RouteSelectionOptions.Config.DisableBestPathSelection,
},
DefaultRouteDistance: &api.DefaultRouteDistance{
ExternalRouteDistance: uint32(c.DefaultRouteDistance.Config.ExternalRouteDistance),
InternalRouteDistance: uint32(c.DefaultRouteDistance.Config.InternalRouteDistance),
},
Confederation: &api.Confederation{
Enabled: c.Confederation.Config.Enabled,
Identifier: c.Confederation.Config.Identifier,
MemberAsList: c.Confederation.Config.MemberAsList,
},
GracefulRestart: &api.GracefulRestart{
Enabled: c.GracefulRestart.Config.Enabled,
RestartTime: uint32(c.GracefulRestart.Config.RestartTime),
StaleRoutesTime: uint32(c.GracefulRestart.Config.StaleRoutesTime),
HelperOnly: c.GracefulRestart.Config.HelperOnly,
DeferralTime: uint32(c.GracefulRestart.Config.DeferralTime),
NotificationEnabled: c.GracefulRestart.Config.NotificationEnabled,
LonglivedEnabled: c.GracefulRestart.Config.LongLivedEnabled,
},
ApplyPolicy: applyPolicy,
}
}
func newAPIPrefixFromConfigStruct(c Prefix) (*api.Prefix, error) {
min, max, err := ParseMaskLength(c.IpPrefix, c.MasklengthRange)
if err != nil {
return nil, err
}
return &api.Prefix{
IpPrefix: c.IpPrefix,
MaskLengthMin: uint32(min),
MaskLengthMax: uint32(max),
}, nil
}
func NewAPIDefinedSetsFromConfigStruct(t *DefinedSets) ([]*api.DefinedSet, error) {
definedSets := make([]*api.DefinedSet, 0)
for _, ps := range t.PrefixSets {
prefixes := make([]*api.Prefix, 0)
for _, p := range ps.PrefixList {
ap, err := newAPIPrefixFromConfigStruct(p)
if err != nil {
return nil, err
}
prefixes = append(prefixes, ap)
}
definedSets = append(definedSets, &api.DefinedSet{
DefinedType: api.DefinedType_PREFIX,
Name: ps.PrefixSetName,
Prefixes: prefixes,
})
}
for _, ns := range t.NeighborSets {
definedSets = append(definedSets, &api.DefinedSet{
DefinedType: api.DefinedType_NEIGHBOR,
Name: ns.NeighborSetName,
List: ns.NeighborInfoList,
})
}
bs := t.BgpDefinedSets
for _, cs := range bs.CommunitySets {
definedSets = append(definedSets, &api.DefinedSet{
DefinedType: api.DefinedType_COMMUNITY,
Name: cs.CommunitySetName,
List: cs.CommunityList,
})
}
for _, es := range bs.ExtCommunitySets {
definedSets = append(definedSets, &api.DefinedSet{
DefinedType: api.DefinedType_EXT_COMMUNITY,
Name: es.ExtCommunitySetName,
List: es.ExtCommunityList,
})
}
for _, ls := range bs.LargeCommunitySets {
definedSets = append(definedSets, &api.DefinedSet{
DefinedType: api.DefinedType_LARGE_COMMUNITY,
Name: ls.LargeCommunitySetName,
List: ls.LargeCommunityList,
})
}
for _, as := range bs.AsPathSets {
definedSets = append(definedSets, &api.DefinedSet{
DefinedType: api.DefinedType_AS_PATH,
Name: as.AsPathSetName,
List: as.AsPathList,
})
}
return definedSets, nil
}