diff options
Diffstat (limited to 'pkg/server')
-rw-r--r-- | pkg/server/grpc_server.go | 130 | ||||
-rw-r--r-- | pkg/server/server.go | 18 | ||||
-rw-r--r-- | pkg/server/server_test.go | 120 | ||||
-rw-r--r-- | pkg/server/zclient.go | 5 |
4 files changed, 191 insertions, 82 deletions
diff --git a/pkg/server/grpc_server.go b/pkg/server/grpc_server.go index 6bc68011..fdbcb3d6 100644 --- a/pkg/server/grpc_server.go +++ b/pkg/server/grpc_server.go @@ -239,81 +239,77 @@ func newRoutingPolicyFromApiStruct(arg *api.SetPoliciesRequest) (*config.Routing }, nil } -func api2PathList(resource api.Resource, ApiPathList []*api.Path) ([]*table.Path, error) { +func api2Path(resource api.Resource, path *api.Path, isWithdraw bool) (*table.Path, error) { var pi *table.PeerInfo + var nlri bgp.AddrPrefixInterface + var nexthop string - pathList := make([]*table.Path, 0, len(ApiPathList)) - for _, path := range ApiPathList { - var nlri bgp.AddrPrefixInterface - var nexthop string - - if path.SourceAsn != 0 { - pi = &table.PeerInfo{ - AS: path.SourceAsn, - LocalID: net.ParseIP(path.SourceId), - } + if path.SourceAsn != 0 { + pi = &table.PeerInfo{ + AS: path.SourceAsn, + ID: net.ParseIP(path.SourceId), } + } - nlri, err := apiutil.GetNativeNlri(path) - if err != nil { - return nil, err - } - nlri.SetPathIdentifier(path.Identifier) - - attrList, err := apiutil.GetNativePathAttributes(path) - if err != nil { - return nil, err - } + nlri, err := apiutil.GetNativeNlri(path) + if err != nil { + return nil, err + } + nlri.SetPathIdentifier(path.Identifier) - pattrs := make([]bgp.PathAttributeInterface, 0) - seen := make(map[bgp.BGPAttrType]struct{}) - for _, attr := range attrList { - attrType := attr.GetType() - if _, ok := seen[attrType]; !ok { - seen[attrType] = struct{}{} - } else { - return nil, fmt.Errorf("duplicated path attribute type: %d", attrType) - } + attrList, err := apiutil.GetNativePathAttributes(path) + if err != nil { + return nil, err + } - switch a := attr.(type) { - case *bgp.PathAttributeNextHop: - nexthop = a.Value.String() - case *bgp.PathAttributeMpReachNLRI: - nlri = a.Value[0] - nexthop = a.Nexthop.String() - default: - pattrs = append(pattrs, attr) - } + pattrs := make([]bgp.PathAttributeInterface, 0) + seen := make(map[bgp.BGPAttrType]struct{}) + for _, attr := range attrList { + attrType := attr.GetType() + if _, ok := seen[attrType]; !ok { + seen[attrType] = struct{}{} + } else { + return nil, fmt.Errorf("duplicated path attribute type: %d", attrType) } - if nlri == nil { - return nil, fmt.Errorf("nlri not found") - } else if !path.IsWithdraw && nexthop == "" { - return nil, fmt.Errorf("nexthop not found") - } - rf := bgp.AfiSafiToRouteFamily(uint16(path.Family.Afi), uint8(path.Family.Safi)) - if resource != api.Resource_VRF && rf == bgp.RF_IPv4_UC && net.ParseIP(nexthop).To4() != nil { - pattrs = append(pattrs, bgp.NewPathAttributeNextHop(nexthop)) - } else { - pattrs = append(pattrs, bgp.NewPathAttributeMpReachNLRI(nexthop, []bgp.AddrPrefixInterface{nlri})) + switch a := attr.(type) { + case *bgp.PathAttributeNextHop: + nexthop = a.Value.String() + case *bgp.PathAttributeMpReachNLRI: + nlri = a.Value[0] + nexthop = a.Nexthop.String() + default: + pattrs = append(pattrs, attr) } + } - newPath := table.NewPath(pi, nlri, path.IsWithdraw, pattrs, time.Now(), path.NoImplicitWithdraw) - if !path.IsWithdraw { - total := bytes.NewBuffer(make([]byte, 0)) - for _, a := range newPath.GetPathAttrs() { - if a.GetType() == bgp.BGP_ATTR_TYPE_MP_REACH_NLRI { - continue - } - b, _ := a.Serialize() - total.Write(b) + if nlri == nil { + return nil, fmt.Errorf("nlri not found") + } else if !path.IsWithdraw && nexthop == "" { + return nil, fmt.Errorf("nexthop not found") + } + rf := bgp.AfiSafiToRouteFamily(uint16(path.Family.Afi), uint8(path.Family.Safi)) + if resource != api.Resource_VRF && rf == bgp.RF_IPv4_UC && net.ParseIP(nexthop).To4() != nil { + pattrs = append(pattrs, bgp.NewPathAttributeNextHop(nexthop)) + } else { + pattrs = append(pattrs, bgp.NewPathAttributeMpReachNLRI(nexthop, []bgp.AddrPrefixInterface{nlri})) + } + + doWithdraw := (isWithdraw || path.IsWithdraw) + newPath := table.NewPath(pi, nlri, doWithdraw, pattrs, time.Now(), path.NoImplicitWithdraw) + if !doWithdraw { + total := bytes.NewBuffer(make([]byte, 0)) + for _, a := range newPath.GetPathAttrs() { + if a.GetType() == bgp.BGP_ATTR_TYPE_MP_REACH_NLRI { + continue } - newPath.SetHash(farm.Hash32(total.Bytes())) + b, _ := a.Serialize() + total.Write(b) } - newPath.SetIsFromExternal(path.IsFromExternal) - pathList = append(pathList, newPath) + newPath.SetHash(farm.Hash32(total.Bytes())) } - return pathList, nil + newPath.SetIsFromExternal(path.IsFromExternal) + return newPath, nil } func (s *server) AddPath(ctx context.Context, r *api.AddPathRequest) (*api.AddPathResponse, error) { @@ -344,9 +340,13 @@ func (s *server) AddPathStream(stream api.GobgpApi_AddPathStreamServer) error { if arg.Resource != api.Resource_GLOBAL && arg.Resource != api.Resource_VRF { return fmt.Errorf("unsupported resource: %s", arg.Resource) } - pathList, err := api2PathList(arg.Resource, arg.Paths) - if err != nil { - return err + pathList := make([]*table.Path, 0, len(arg.Paths)) + for _, apiPath := range arg.Paths { + if path, err := api2Path(arg.Resource, apiPath, apiPath.IsWithdraw); err != nil { + return err + } else { + pathList = append(pathList, path) + } } err = s.bgpServer.addPathList(arg.VrfId, pathList) if err != nil { diff --git a/pkg/server/server.go b/pkg/server/server.go index f7a09daf..9269bbd4 100644 --- a/pkg/server/server.go +++ b/pkg/server/server.go @@ -1769,11 +1769,6 @@ func getMacMobilityExtendedCommunity(etag uint32, mac net.HardwareAddr, evpnPath } func (s *BgpServer) fixupApiPath(vrfId string, pathList []*table.Path) error { - pi := &table.PeerInfo{ - AS: s.bgpConfig.Global.Config.As, - LocalID: net.ParseIP(s.bgpConfig.Global.Config.RouterId).To4(), - } - for _, path := range pathList { if !path.IsWithdraw { if _, err := path.GetOrigin(); err != nil { @@ -1781,10 +1776,6 @@ func (s *BgpServer) fixupApiPath(vrfId string, pathList []*table.Path) error { } } - if path.GetSource() == nil { - path.SetSource(pi) - } - if vrfId != "" { vrf := s.globalRib.Vrfs[vrfId] if vrf == nil { @@ -1854,15 +1845,14 @@ func (s *BgpServer) addPathList(vrfId string, pathList []*table.Path) error { func (s *BgpServer) AddPath(ctx context.Context, r *api.AddPathRequest) (*api.AddPathResponse, error) { var uuidBytes []byte err := s.mgmtOperation(func() error { - pathList, err := api2PathList(r.Resource, []*api.Path{r.Path}) + path, err := api2Path(r.Resource, r.Path, false) if err != nil { return err } - err = s.addPathList(r.VrfId, pathList) + err = s.addPathList(r.VrfId, []*table.Path{path}) if err != nil { return err } - path := pathList[0] id, _ := uuid.NewV4() s.uuidMap[id] = pathTokey(path) uuidBytes = id.Bytes() @@ -1877,8 +1867,8 @@ func (s *BgpServer) DeletePath(ctx context.Context, r *api.DeletePathRequest) er pathList, err := func() ([]*table.Path, error) { if r.Path != nil { - r.Path.IsWithdraw = true - return api2PathList(r.Resource, []*api.Path{r.Path}) + path, err := api2Path(r.Resource, r.Path, true) + return []*table.Path{path}, err } return []*table.Path{}, nil }() diff --git a/pkg/server/server_test.go b/pkg/server/server_test.go index 3bd47304..984cf53a 100644 --- a/pkg/server/server_test.go +++ b/pkg/server/server_test.go @@ -23,6 +23,8 @@ import ( "testing" "time" + "github.com/golang/protobuf/ptypes" + "github.com/golang/protobuf/ptypes/any" log "github.com/sirupsen/logrus" "github.com/stretchr/testify/assert" "github.com/stretchr/testify/require" @@ -1050,3 +1052,121 @@ func TestDoNotReactToDuplicateRTCMemberships(t *testing.T) { s1.StopBgp(context.Background(), &api.StopBgpRequest{}) s2.StopBgp(context.Background(), &api.StopBgpRequest{}) } + +func TestAddDeletePath(t *testing.T) { + ctx := context.Background() + s := runNewServer(1, "1.1.1.1", 10179) + + nlri, _ := ptypes.MarshalAny(&api.IPAddressPrefix{ + Prefix: "10.0.0.0", + PrefixLen: 24, + }) + + a1, _ := ptypes.MarshalAny(&api.OriginAttribute{ + Origin: 0, + }) + a2, _ := ptypes.MarshalAny(&api.NextHopAttribute{ + NextHop: "10.0.0.1", + }) + attrs := []*any.Any{a1, a2} + + family := &api.Family{ + Afi: api.Family_AFI_IP, + Safi: api.Family_SAFI_UNICAST, + } + + listRib := func() []*api.Destination { + l := make([]*api.Destination, 0) + s.ListPath(ctx, &api.ListPathRequest{Type: api.Resource_GLOBAL, Family: family}, func(d *api.Destination) { l = append(l, d) }) + return l + } + + var err error + // DeletePath(AddPath()) without PeerInfo + getPath := func() *api.Path { + return &api.Path{ + Family: family, + Nlri: nlri, + Pattrs: attrs, + } + } + + p1 := getPath() + _, err = s.AddPath(ctx, &api.AddPathRequest{ + Resource: api.Resource_GLOBAL, + Path: p1, + }) + assert.Nil(t, err) + assert.Equal(t, len(listRib()), 1) + err = s.DeletePath(ctx, &api.DeletePathRequest{ + Resource: api.Resource_GLOBAL, + Path: p1, + }) + assert.Nil(t, err) + assert.Equal(t, len(listRib()), 0) + + // DeletePath(ListPath()) without PeerInfo + _, err = s.AddPath(ctx, &api.AddPathRequest{ + Resource: api.Resource_GLOBAL, + Path: p1, + }) + assert.Nil(t, err) + l := listRib() + assert.Equal(t, len(l), 1) + err = s.DeletePath(ctx, &api.DeletePathRequest{ + Resource: api.Resource_GLOBAL, + Path: l[0].Paths[0], + }) + assert.Nil(t, err) + assert.Equal(t, len(listRib()), 0) + + p2 := getPath() + p2.SourceAsn = 1 + p2.SourceId = "1.1.1.1" + + // DeletePath(AddPath()) with PeerInfo + _, err = s.AddPath(ctx, &api.AddPathRequest{ + Resource: api.Resource_GLOBAL, + Path: p2, + }) + assert.Nil(t, err) + assert.Equal(t, len(listRib()), 1) + err = s.DeletePath(ctx, &api.DeletePathRequest{ + Resource: api.Resource_GLOBAL, + Path: p2, + }) + assert.Nil(t, err) + assert.Equal(t, len(listRib()), 0) + + // DeletePath(ListPath()) with PeerInfo + _, err = s.AddPath(ctx, &api.AddPathRequest{ + Resource: api.Resource_GLOBAL, + Path: p2, + }) + assert.Nil(t, err) + l = listRib() + assert.Equal(t, len(l), 1) + err = s.DeletePath(ctx, &api.DeletePathRequest{ + Resource: api.Resource_GLOBAL, + Path: l[0].Paths[0], + }) + assert.Nil(t, err) + assert.Equal(t, len(listRib()), 0) + + // DeletePath(AddPath()) with different PeerInfo + _, err = s.AddPath(ctx, &api.AddPathRequest{ + Resource: api.Resource_GLOBAL, + Path: p2, + }) + assert.Nil(t, err) + assert.Equal(t, len(listRib()), 1) + p3 := getPath() + p3.SourceAsn = 2 + p3.SourceId = "1.1.1.2" + err = s.DeletePath(ctx, &api.DeletePathRequest{ + Resource: api.Resource_GLOBAL, + Path: p3, + }) + assert.Nil(t, err) + assert.Equal(t, len(listRib()), 1) +} diff --git a/pkg/server/zclient.go b/pkg/server/zclient.go index 33190591..a814e20a 100644 --- a/pkg/server/zclient.go +++ b/pkg/server/zclient.go @@ -159,10 +159,9 @@ func newIPRouteBody(dst []*table.Path) (body *zebra.IPRouteBody, isWithdraw bool msgFlags |= zebra.MESSAGE_METRIC } var flags zebra.FLAG - info := path.GetSource() - if info.AS == info.LocalAS { + if path.IsIBGP() { flags = zebra.FLAG_IBGP | zebra.FLAG_INTERNAL - } else if info.MultihopTtl > 0 { + } else if path.GetSource().MultihopTtl > 0 { flags = zebra.FLAG_INTERNAL } return &zebra.IPRouteBody{ |