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route_aggregator_test.cc
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route_aggregator_test.cc
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/*
* Copyright (c) 2015 Juniper Networks, Inc. All rights reserved.
*/
#include "bgp/routing-instance/route_aggregator.h"
#include <fstream>
#include <boost/foreach.hpp>
#include <boost/assign/list_of.hpp>
#include "bgp/bgp_config_ifmap.h"
#include "bgp/bgp_config_parser.h"
#include "bgp/bgp_factory.h"
#include "bgp/bgp_sandesh.h"
#include "bgp/inet/inet_table.h"
#include "bgp/inet6/inet6_table.h"
#include "bgp/l3vpn/inetvpn_table.h"
#include "bgp/origin-vn/origin_vn.h"
#include "bgp/routing-instance/rtarget_group_mgr.h"
#include "bgp/routing-instance/route_aggregate_types.h"
#include "bgp/test/bgp_server_test_util.h"
#include "bgp/test/bgp_test_util.h"
#include "control-node/control_node.h"
#include "db/test/db_test_util.h"
#include "ifmap/ifmap_link_table.h"
#include "ifmap/ifmap_server_parser.h"
#include "ifmap/test/ifmap_test_util.h"
#include "net/community_type.h"
#include "schema/bgp_schema_types.h"
#include "schema/vnc_cfg_types.h"
using namespace std;
using boost::assign::list_of;
using boost::assign::map_list_of;
static string FileRead(const string &filename) {
ifstream file(filename.c_str());
string content((istreambuf_iterator<char>(file)),
istreambuf_iterator<char>());
return content;
}
template <typename T1, typename T2>
struct TypeDefinition {
typedef T1 TableT;
typedef T2 PrefixT;
};
// TypeDefinitions that we want to test.
typedef TypeDefinition<InetTable, Ip4Prefix> InetDefinition;
typedef TypeDefinition<Inet6Table, Inet6Prefix> Inet6Definition;
class BgpPeerMock : public IPeer {
public:
BgpPeerMock(const Ip4Address &address) : address_(address) { }
virtual ~BgpPeerMock() { }
virtual std::string ToString() const {
return address_.to_string();
}
virtual std::string ToUVEKey() const {
return address_.to_string();
}
virtual bool SendUpdate(const uint8_t *msg, size_t msgsize) {
return true;
}
virtual BgpServer *server() {
return NULL;
}
virtual IPeerClose *peer_close() {
return NULL;
}
virtual IPeerDebugStats *peer_stats() {
return NULL;
}
virtual const IPeerDebugStats *peer_stats() const {
return NULL;
}
virtual bool IsReady() const {
return true;
}
virtual bool IsXmppPeer() const { return false; }
virtual void Close() {
}
BgpProto::BgpPeerType PeerType() const {
return BgpProto::IBGP;
}
virtual uint32_t bgp_identifier() const {
return htonl(address_.to_ulong());
}
virtual const std::string GetStateName() const {
return "";
}
virtual void UpdateRefCount(int count) const { }
virtual tbb::atomic<int> GetRefCount() const {
tbb::atomic<int> count;
count = 0;
return count;
}
virtual void UpdatePrimaryPathCount(int count) const { }
virtual int GetPrimaryPathCount() const { return 0; }
private:
Ip4Address address_;
};
#define VERIFY_EQ(expected, actual) \
TASK_UTIL_EXPECT_EQ(expected, actual)
static const char *bgp_server_config = "\
<config>\
<bgp-router name=\'localhost\'>\
<identifier>192.168.0.100</identifier>\
<address>192.168.0.100</address>\
<autonomous-system>64496</autonomous-system>\
</bgp-router>\
</config>\
";
class RouteAggregatorTest : public ::testing::Test {
protected:
RouteAggregatorTest() : bgp_server_(new BgpServer(&evm_)),
parser_(&config_db_),
validate_done_(false) {
IFMapLinkTable_Init(&config_db_, &config_graph_);
vnc_cfg_Server_ModuleInit(&config_db_, &config_graph_);
bgp_schema_Server_ModuleInit(&config_db_, &config_graph_);
}
~RouteAggregatorTest() {
STLDeleteValues(&peers_);
}
virtual void SetUp() {
IFMapServerParser *parser = IFMapServerParser::GetInstance("schema");
vnc_cfg_ParserInit(parser);
bgp_schema_ParserInit(parser);
BgpIfmapConfigManager *config_manager =
static_cast<BgpIfmapConfigManager *>(
bgp_server_->config_manager());
config_manager->Initialize(&config_db_, &config_graph_, "localhost");
bgp_server_->rtarget_group_mgr()->Initialize();
BgpConfigParser bgp_parser(&config_db_);
bgp_parser.Parse(bgp_server_config);
task_util::WaitForIdle();
}
virtual void TearDown() {
task_util::WaitForIdle();
bgp_server_->Shutdown();
task_util::WaitForIdle();
db_util::Clear(&config_db_);
IFMapServerParser *parser = IFMapServerParser::GetInstance("schema");
parser->MetadataClear("schema");
}
void NetworkConfig(const vector<string> &instance_names,
const multimap<string, string> &connections) {
string netconf(
bgp_util::NetworkConfigGenerate(instance_names, connections));
IFMapServerParser *parser =
IFMapServerParser::GetInstance("schema");
parser->Receive(&config_db_, netconf.data(), netconf.length(), 0);
}
void DeleteRoutingInstance(const string &instance_name, const string &rt_name) {
ifmap_test_util::IFMapMsgUnlink(&config_db_, "routing-instance", instance_name,
"virtual-network", instance_name, "virtual-network-routing-instance");
ifmap_test_util::IFMapMsgUnlink(&config_db_, "routing-instance", instance_name,
"route-target", rt_name, "instance-target");
ifmap_test_util::IFMapMsgNodeDelete(
&config_db_, "virtual-network", instance_name);
ifmap_test_util::IFMapMsgNodeDelete(
&config_db_, "routing-instance", instance_name);
ifmap_test_util::IFMapMsgNodeDelete(
&config_db_, "route-target", rt_name);
task_util::WaitForIdle();
}
void VerifyTableNoExists(const string &table_name) {
TASK_UTIL_EXPECT_TRUE(
bgp_server_->database()->FindTable(table_name) == NULL);
}
template<typename T>
void AddRoute(IPeer *peer, const string &table_name,
const string &prefix, int localpref,
const vector<string> &community_list = vector<string>()) {
typedef typename T::TableT TableT;
typedef typename T::PrefixT PrefixT;
boost::system::error_code error;
PrefixT nlri = PrefixT::FromString(prefix, &error);
EXPECT_FALSE(error);
DBRequest request;
request.oper = DBRequest::DB_ENTRY_ADD_CHANGE;
request.key.reset(new typename TableT::RequestKey(nlri, peer));
BgpAttrSpec attr_spec;
boost::scoped_ptr<BgpAttrLocalPref> local_pref(
new BgpAttrLocalPref(localpref));
attr_spec.push_back(local_pref.get());
CommunitySpec spec;
if (!community_list.empty()) {
BOOST_FOREACH(string comm, community_list) {
boost::system::error_code error;
uint32_t community =
CommunityType::CommunityFromString(comm, &error);
spec.communities.push_back(community);
}
attr_spec.push_back(&spec);
}
BgpTable *table = static_cast<BgpTable *>
(bgp_server_->database()->FindTable(table_name));
ASSERT_TRUE(table != NULL);
int index = table->routing_instance()->index();
boost::system::error_code ec;
Ip4Address nh_addr = Ip4Address::from_string("99.99.99.99", ec);
BgpAttrNextHop nh_spec(nh_addr);
attr_spec.push_back(&nh_spec);
BgpAttrSourceRd source_rd_spec(
RouteDistinguisher(nh_addr.to_ulong(), index));
attr_spec.push_back(&source_rd_spec);
BgpAttrPtr attr = bgp_server_->attr_db()->Locate(attr_spec);
request.data.reset(new BgpTable::RequestData(attr, 0, 88));
table->Enqueue(&request);
task_util::WaitForIdle();
}
template<typename T>
void DeleteRoute(IPeer *peer, const string &table_name,
const string &prefix) {
typedef typename T::TableT TableT;
typedef typename T::PrefixT PrefixT;
boost::system::error_code error;
PrefixT nlri = PrefixT::FromString(prefix, &error);
EXPECT_FALSE(error);
DBRequest request;
request.oper = DBRequest::DB_ENTRY_DELETE;
request.key.reset(new typename TableT::RequestKey(nlri, peer));
BgpTable *table = static_cast<BgpTable *>
(bgp_server_->database()->FindTable(table_name));
ASSERT_TRUE(table != NULL);
table->Enqueue(&request);
}
int RouteCount(const string &table_name) const {
BgpTable *table = static_cast<BgpTable *>(
bgp_server_->database()->FindTable(table_name));
EXPECT_TRUE(table != NULL);
if (table == NULL) {
return 0;
}
return table->Size();
}
template<typename T>
bool IsContributingRoute(const string &instance, const string &table,
const string &prefix) {
BgpRoute *rt = RouteLookup<T>(table, prefix);
if (rt) {
RoutingInstance *rti =
bgp_server_->routing_instance_mgr()->GetRoutingInstance(instance);
BgpTable *table = static_cast<BgpTable *>(rt->get_table());
return rti->IsContributingRoute(table, rt);
}
return false;
}
template<typename T>
bool IsAggregateRoute(const string &instance, const string &table,
const string &prefix) {
BgpRoute *rt = RouteLookup<T>(table, prefix);
if (rt) {
RoutingInstance *rti =
bgp_server_->routing_instance_mgr()->GetRoutingInstance(instance);
BgpTable *table = static_cast<BgpTable *>(rt->get_table());
return rti->IsAggregateRoute(table, rt);
}
return false;
}
template<typename T>
BgpRoute *RouteLookup(const string &table_name, const string &prefix) {
typedef typename T::TableT TableT;
typedef typename T::PrefixT PrefixT;
BgpTable *table = dynamic_cast<TableT *>(
bgp_server_->database()->FindTable(table_name));
EXPECT_TRUE(table != NULL);
if (table == NULL) {
return NULL;
}
boost::system::error_code error;
PrefixT nlri = PrefixT::FromString(prefix, &error);
EXPECT_FALSE(error);
typename TableT::RequestKey key(nlri, NULL);
BgpRoute *rt = static_cast<BgpRoute *>(table->Find(&key));
return rt;
}
vector<string> GetOriginalCommunityListFromRoute(const BgpPath *path) {
const Community *comm = path->GetOriginalAttr()->community();
if (comm == NULL) return vector<string>();
vector<string> list;
BOOST_FOREACH(uint32_t community, comm->communities()) {
list.push_back(CommunityType::CommunityToString(community));
}
sort(list.begin(), list.end());
return list;
}
string GetOriginVnFromRoute(const BgpPath *path) {
const ExtCommunity *ext_comm = path->GetAttr()->ext_community();
assert(ext_comm);
BOOST_FOREACH(const ExtCommunity::ExtCommunityValue &comm,
ext_comm->communities()) {
if (!ExtCommunity::is_origin_vn(comm))
continue;
OriginVn origin_vn(comm);
RoutingInstanceMgr *ri_mgr = bgp_server_->routing_instance_mgr();
return ri_mgr->GetVirtualNetworkByVnIndex(origin_vn.vn_index());
}
return "unresolved";
}
void DisableUnregResolveTask(const string &instance, Address::Family fmly) {
RoutingInstance *rti =
bgp_server_->routing_instance_mgr()->GetRoutingInstance(instance);
rti->route_aggregator(fmly)->DisableUnregResolveTask();
}
void EnableUnregResolveTask(const string &instance, Address::Family fmly) {
RoutingInstance *rti =
bgp_server_->routing_instance_mgr()->GetRoutingInstance(instance);
rti->route_aggregator(fmly)->EnableUnregResolveTask();
}
size_t GetUnregResolveListSize(const string &instance,
Address::Family fmly) {
RoutingInstance *rti =
bgp_server_->routing_instance_mgr()->GetRoutingInstance(instance);
return rti->route_aggregator(fmly)->GetUnregResolveListSize();
}
void DisableRouteAggregateUpdate(const string &instance,
Address::Family fmly) {
RoutingInstance *rti =
bgp_server_->routing_instance_mgr()->GetRoutingInstance(instance);
rti->route_aggregator(fmly)->DisableRouteAggregateUpdate();
}
void EnableRouteAggregateUpdate(const string &instance,
Address::Family fmly) {
RoutingInstance *rti =
bgp_server_->routing_instance_mgr()->GetRoutingInstance(instance);
rti->route_aggregator(fmly)->EnableRouteAggregateUpdate();
}
size_t GetUpdateAggregateListSize(const string &instance,
Address::Family fmly) {
RoutingInstance *rti =
bgp_server_->routing_instance_mgr()->GetRoutingInstance(instance);
return rti->route_aggregator(fmly)->GetUpdateAggregateListSize();
}
vector<string> GetCommunityListFromRoute(const BgpPath *path) {
const Community *comm = path->GetAttr()->community();
if (comm == NULL) return vector<string>();
vector<string> list;
BOOST_FOREACH(uint32_t community, comm->communities()) {
list.push_back(CommunityType::CommunityToString(community));
}
sort(list.begin(), list.end());
return list;
}
static void ValidateShowRouteAggregationResponse(Sandesh *sandesh,
string &result, RouteAggregatorTest *self, bool empty) {
ShowRouteAggregateResp *resp =
dynamic_cast<ShowRouteAggregateResp *>(sandesh);
TASK_UTIL_EXPECT_NE((ShowRouteAggregateResp *)NULL, resp);
self->validate_done_ = true;
if (empty)
TASK_UTIL_EXPECT_EQ(0, resp->get_aggregate_route_entries().size());
else
TASK_UTIL_EXPECT_EQ(1, resp->get_aggregate_route_entries().size());
int i = 0;
BOOST_FOREACH(const AggregateRouteEntriesInfo &info,
resp->get_aggregate_route_entries()) {
TASK_UTIL_EXPECT_EQ(info.get_ri_name(), result);
i++;
}
}
void VerifyRouteAggregateSandesh(std::string ri_name, bool empty=false) {
BgpSandeshContext sandesh_context;
sandesh_context.bgp_server = bgp_server_.get();
sandesh_context.xmpp_peer_manager = NULL;
Sandesh::set_client_context(&sandesh_context);
Sandesh::set_response_callback(
boost::bind(ValidateShowRouteAggregationResponse, _1, ri_name,
this, empty));
ShowRouteAggregateReq *req = new ShowRouteAggregateReq;
req->set_search_string(ri_name);
validate_done_ = false;
req->HandleRequest();
req->Release();
TASK_UTIL_EXPECT_EQ(true, validate_done_);
}
EventManager evm_;
DB config_db_;
DBGraph config_graph_;
boost::scoped_ptr<BgpServer> bgp_server_;
vector<BgpPeerMock *> peers_;
BgpConfigParser parser_;
bool validate_done_;
};
//
// Validate the route aggregation functionality
// Add nexthop route and more specific route for aggregate prefix
// Verify that aggregate route is published
//
TEST_F(RouteAggregatorTest, Basic) {
string content =
FileRead("controller/src/bgp/testdata/route_aggregate_0.xml");
EXPECT_TRUE(parser_.Parse(content));
task_util::WaitForIdle();
boost::system::error_code ec;
peers_.push_back(
new BgpPeerMock(Ip4Address::from_string("192.168.0.1", ec)));
AddRoute<InetDefinition>(peers_[0], "test.inet.0", "1.1.1.1/32", 100);
task_util::WaitForIdle();
AddRoute<InetDefinition>(peers_[0], "test.inet.0", "2.2.1.1/32", 100);
task_util::WaitForIdle();
VERIFY_EQ(3, RouteCount("test.inet.0"));
BgpRoute *rt = RouteLookup<InetDefinition>("test.inet.0", "2.2.0.0/16");
ASSERT_TRUE(rt != NULL);
TASK_UTIL_EXPECT_EQ(rt->count(), 2);
TASK_UTIL_EXPECT_TRUE(rt->BestPath() != NULL);
TASK_UTIL_EXPECT_TRUE(rt->BestPath()->IsFeasible());
TASK_UTIL_EXPECT_TRUE(IsAggregateRoute<InetDefinition>("test",
"test.inet.0", "2.2.0.0/16"));
TASK_UTIL_EXPECT_FALSE(IsAggregateRoute<InetDefinition>("test",
"test.inet.0", "1.1.1.1/32"));
TASK_UTIL_EXPECT_TRUE(IsContributingRoute<InetDefinition>("test",
"test.inet.0", "2.2.1.1/32"));
TASK_UTIL_EXPECT_FALSE(IsContributingRoute<InetDefinition>("test",
"test.inet.0", "1.1.1.1/32"));
// Verify the sandesh
VerifyRouteAggregateSandesh("test");
DeleteRoute<InetDefinition>(peers_[0], "test.inet.0", "1.1.1.1/32");
DeleteRoute<InetDefinition>(peers_[0], "test.inet.0", "2.2.1.1/32");
task_util::WaitForIdle();
}
//
// The nexthop is also a more specific route
// Verify that the aggregate route is not published when only nexthop route is
// added to the bgp table.
// Also verify the aggregate route is published when other more specific routes
// are published
//
TEST_F(RouteAggregatorTest, Basic_0) {
string content =
FileRead("controller/src/bgp/testdata/route_aggregate_0d.xml");
EXPECT_TRUE(parser_.Parse(content));
task_util::WaitForIdle();
boost::system::error_code ec;
peers_.push_back(
new BgpPeerMock(Ip4Address::from_string("192.168.0.1", ec)));
AddRoute<InetDefinition>(peers_[0], "test.inet.0", "2.2.2.1/32", 100);
task_util::WaitForIdle();
VERIFY_EQ(1, RouteCount("test.inet.0"));
BgpRoute *rt = RouteLookup<InetDefinition>("test.inet.0", "2.2.0.0/16");
ASSERT_TRUE(rt == NULL);
AddRoute<InetDefinition>(peers_[0], "test.inet.0", "2.2.1.1/32", 100);
task_util::WaitForIdle();
VERIFY_EQ(3, RouteCount("test.inet.0"));
rt = RouteLookup<InetDefinition>("test.inet.0", "2.2.0.0/16");
ASSERT_TRUE(rt != NULL);
TASK_UTIL_EXPECT_EQ(rt->count(), 2);
TASK_UTIL_EXPECT_TRUE(rt->BestPath() != NULL);
TASK_UTIL_EXPECT_TRUE(rt->BestPath()->IsFeasible());
// Verify the sandesh
VerifyRouteAggregateSandesh("test");
TASK_UTIL_EXPECT_TRUE(IsAggregateRoute<InetDefinition>("test",
"test.inet.0", "2.2.0.0/16"));
TASK_UTIL_EXPECT_FALSE(IsAggregateRoute<InetDefinition>("test",
"test.inet.0", "2.2.2.1/32"));
TASK_UTIL_EXPECT_TRUE(IsContributingRoute<InetDefinition>("test",
"test.inet.0", "2.2.1.1/32"));
TASK_UTIL_EXPECT_FALSE(IsContributingRoute<InetDefinition>("test",
"test.inet.0", "2.2.2.1/32"));
DeleteRoute<InetDefinition>(peers_[0], "test.inet.0", "2.2.2.1/32");
DeleteRoute<InetDefinition>(peers_[0], "test.inet.0", "2.2.1.1/32");
task_util::WaitForIdle();
}
//
// Aggregate route is not published when route with aggregate route prefix is
// added to bgp table
// Also verify the aggregate route is published when more specific routes
// are added to bgp table
//
TEST_F(RouteAggregatorTest, Basic_1) {
string content =
FileRead("controller/src/bgp/testdata/route_aggregate_0d.xml");
EXPECT_TRUE(parser_.Parse(content));
task_util::WaitForIdle();
boost::system::error_code ec;
peers_.push_back(
new BgpPeerMock(Ip4Address::from_string("192.168.0.1", ec)));
// Add nexthop route and aggregate prefix route
AddRoute<InetDefinition>(peers_[0], "test.inet.0", "2.2.2.1/32", 100);
AddRoute<InetDefinition>(peers_[0], "test.inet.0", "2.2.0.0/16", 100);
task_util::WaitForIdle();
VERIFY_EQ(2, RouteCount("test.inet.0"));
BgpRoute *rt = RouteLookup<InetDefinition>("test.inet.0", "2.2.0.0/16");
ASSERT_TRUE(rt != NULL);
TASK_UTIL_EXPECT_EQ(rt->count(), 1);
TASK_UTIL_EXPECT_TRUE(rt->BestPath() != NULL);
TASK_UTIL_EXPECT_TRUE(rt->BestPath()->GetSource() == BgpPath::BGP_XMPP);
AddRoute<InetDefinition>(peers_[0], "test.inet.0", "2.2.1.1/32", 100);
task_util::WaitForIdle();
VERIFY_EQ(3, RouteCount("test.inet.0"));
rt = RouteLookup<InetDefinition>("test.inet.0", "2.2.0.0/16");
ASSERT_TRUE(rt != NULL);
TASK_UTIL_EXPECT_EQ(rt->count(), 3);
TASK_UTIL_EXPECT_TRUE(rt->BestPath() != NULL);
TASK_UTIL_EXPECT_TRUE(rt->BestPath()->IsFeasible());
TASK_UTIL_EXPECT_TRUE(rt->BestPath()->GetSource() == BgpPath::ResolvedRoute);
TASK_UTIL_EXPECT_TRUE(IsAggregateRoute<InetDefinition>("test",
"test.inet.0", "2.2.0.0/16"));
TASK_UTIL_EXPECT_FALSE(IsAggregateRoute<InetDefinition>("test",
"test.inet.0", "2.2.1.1/32"));
TASK_UTIL_EXPECT_TRUE(IsContributingRoute<InetDefinition>("test",
"test.inet.0", "2.2.1.1/32"));
TASK_UTIL_EXPECT_FALSE(IsContributingRoute<InetDefinition>("test",
"test.inet.0", "2.2.2.1/32"));
// Delete the aggregate prefix route
DeleteRoute<InetDefinition>(peers_[0], "test.inet.0", "2.2.0.0/16");
task_util::WaitForIdle();
VERIFY_EQ(3, RouteCount("test.inet.0"));
rt = RouteLookup<InetDefinition>("test.inet.0", "2.2.0.0/16");
ASSERT_TRUE(rt != NULL);
// Two paths in aggregate route. one for resolved and other for aggregation
TASK_UTIL_EXPECT_EQ(rt->count(), 2);
TASK_UTIL_EXPECT_TRUE(rt->BestPath() != NULL);
TASK_UTIL_EXPECT_TRUE(rt->BestPath()->IsFeasible());
TASK_UTIL_EXPECT_TRUE(rt->BestPath()->GetSource() == BgpPath::ResolvedRoute);
DeleteRoute<InetDefinition>(peers_[0], "test.inet.0", "2.2.2.1/32");
DeleteRoute<InetDefinition>(peers_[0], "test.inet.0", "2.2.1.1/32");
task_util::WaitForIdle();
}
TEST_F(RouteAggregatorTest, Basic_NoReplication) {
string content =
FileRead("controller/src/bgp/testdata/route_aggregate_0e.xml");
EXPECT_TRUE(parser_.Parse(content));
task_util::WaitForIdle();
// Link the two routing instances
ifmap_test_util::IFMapMsgLink(&config_db_, "routing-instance", "test_0",
"routing-instance", "test_1", "connection");
task_util::WaitForIdle();
boost::system::error_code ec;
peers_.push_back(
new BgpPeerMock(Ip4Address::from_string("192.168.0.1", ec)));
// Add more specific route
AddRoute<InetDefinition>(peers_[0], "test_0.inet.0", "2.2.1.1/32", 100);
task_util::WaitForIdle();
// Aggregate route is created with infeasible path and not replicated till
// nexthop is resolved
VERIFY_EQ(2, RouteCount("test_0.inet.0"));
VERIFY_EQ(0, RouteCount("test_1.inet.0"));
// Add nexthop route
AddRoute<InetDefinition>(peers_[0], "test_0.inet.0", "2.2.2.1/32", 100);
task_util::WaitForIdle();
// Verify that aggregate route is created
VERIFY_EQ(3, RouteCount("test_0.inet.0"));
BgpRoute *rt = RouteLookup<InetDefinition>("test_0.inet.0", "2.2.0.0/16");
ASSERT_TRUE(rt != NULL);
TASK_UTIL_EXPECT_EQ(rt->count(), 2);
TASK_UTIL_EXPECT_TRUE(rt->BestPath() != NULL);
TASK_UTIL_EXPECT_TRUE(rt->BestPath()->GetSource() == BgpPath::ResolvedRoute);
// Verify that aggregate route is replicated
VERIFY_EQ(2, RouteCount("test_1.inet.0"));
rt = RouteLookup<InetDefinition>("test_1.inet.0", "2.2.0.0/16");
ASSERT_TRUE(rt != NULL);
TASK_UTIL_EXPECT_EQ(rt->count(), 1);
// Verify that nexthop route is replicated
rt = RouteLookup<InetDefinition>("test_1.inet.0", "2.2.2.1/32");
ASSERT_TRUE(rt != NULL);
TASK_UTIL_EXPECT_EQ(rt->count(), 1);
// Verify that more specific route is no longer replicated
rt = RouteLookup<InetDefinition>("test_1.inet.0", "2.2.1.1/32");
ASSERT_TRUE(rt == NULL);
DeleteRoute<InetDefinition>(peers_[0], "test_0.inet.0", "2.2.2.1/32");
DeleteRoute<InetDefinition>(peers_[0], "test_0.inet.0", "2.2.1.1/32");
ifmap_test_util::IFMapMsgUnlink(&config_db_, "routing-instance", "test_0",
"routing-instance", "test_1", "connection");
task_util::WaitForIdle();
}
//
// Validate the route aggregation config handling
// Verify that aggregate route config with multiple aggregate prefix is handled
//
TEST_F(RouteAggregatorTest, Basic_MultipleAggregatePrefix) {
string content =
FileRead("controller/src/bgp/testdata/route_aggregate_0f.xml");
EXPECT_TRUE(parser_.Parse(content));
task_util::WaitForIdle();
boost::system::error_code ec;
peers_.push_back(
new BgpPeerMock(Ip4Address::from_string("192.168.0.1", ec)));
//
// Routes are added to trigger both aggregate routes
// Nexthop route is not added. So aggregare route will be added without
// path resolution
//
AddRoute<InetDefinition>(peers_[0], "test.inet.0", "2.2.0.1/32", 100);
AddRoute<InetDefinition>(peers_[0], "test.inet.0", "3.3.0.1/32", 100);
task_util::WaitForIdle();
VERIFY_EQ(4, RouteCount("test.inet.0"));
BgpRoute *rt = RouteLookup<InetDefinition>("test.inet.0", "2.2.0.0/16");
ASSERT_TRUE(rt != NULL);
TASK_UTIL_EXPECT_EQ(rt->count(), 1);
TASK_UTIL_EXPECT_TRUE(rt->BestPath() != NULL);
rt = RouteLookup<InetDefinition>("test.inet.0", "3.3.0.0/16");
ASSERT_TRUE(rt != NULL);
TASK_UTIL_EXPECT_EQ(rt->count(), 1);
TASK_UTIL_EXPECT_TRUE(rt->BestPath() != NULL);
// Verify the sandesh
VerifyRouteAggregateSandesh("test");
DeleteRoute<InetDefinition>(peers_[0], "test.inet.0", "3.3.0.1/32");
DeleteRoute<InetDefinition>(peers_[0], "test.inet.0", "2.2.0.1/32");
task_util::WaitForIdle();
}
//
// Validate the route aggregation config handling
// Verify that aggregate route config is ignored if the nexthop and routes
// belong to different family
// Nexthop is Inet & Prefixes are both Inet and Inet6
// Aggregate route should be generated only for Inet
//
TEST_F(RouteAggregatorTest, Basic_ErrConfig_DiffFamily) {
string content =
FileRead("controller/src/bgp/testdata/route_aggregate_0h.xml");
EXPECT_TRUE(parser_.Parse(content));
task_util::WaitForIdle();
boost::system::error_code ec;
peers_.push_back(
new BgpPeerMock(Ip4Address::from_string("192.168.0.1", ec)));
// Add both inet and inet6 more specific routes
// Nexthop route is not added. So aggregare route will be added without
// path resolution
AddRoute<Inet6Definition>(peers_[0], "test.inet6.0",
"2001:db8:85a3::8a2e:370:7334/128", 100);
AddRoute<InetDefinition>(peers_[0], "test.inet.0", "2.2.9.1/32", 100);
task_util::WaitForIdle();
VERIFY_EQ(2, RouteCount("test.inet.0"));
BgpRoute *rt = RouteLookup<InetDefinition>("test.inet.0", "2.2.0.0/16");
ASSERT_TRUE(rt != NULL);
TASK_UTIL_EXPECT_EQ(rt->count(), 1);
TASK_UTIL_EXPECT_TRUE(rt->BestPath() != NULL);
// Verify the sandesh
VerifyRouteAggregateSandesh("test");
// Verify that inet6 route aggregation is not done
VERIFY_EQ(1, RouteCount("test.inet6.0"));
DeleteRoute<Inet6Definition>(peers_[0], "test.inet6.0",
"2001:db8:85a3::8a2e:370:7334/128");
DeleteRoute<InetDefinition>(peers_[0], "test.inet.0", "2.2.9.1/32");
task_util::WaitForIdle();
}
//
// Validate the route aggregation config handling
// Verify that aggregate route config is ignored if the nexthop and routes
// belong to different family
// Nexthop is Inet6 & Prefixes are both Inet and Inet6
// Aggregate route should be generated only for Inet6
//
TEST_F(RouteAggregatorTest, Basic_ErrConfig_DiffFamily_1) {
string content =
FileRead("controller/src/bgp/testdata/route_aggregate_0g.xml");
EXPECT_TRUE(parser_.Parse(content));
task_util::WaitForIdle();
boost::system::error_code ec;
peers_.push_back(
new BgpPeerMock(Ip4Address::from_string("192.168.0.1", ec)));
//
// Add both inet and inet6 more specific routes
// Nexthop route is not added. So aggregare route will be added without
// path resolution
//
AddRoute<Inet6Definition>(peers_[0], "test.inet6.0",
"2001:db8:85a3::8a2e:370:7334/128", 100);
AddRoute<InetDefinition>(peers_[0], "test.inet.0", "2.2.9.1/32", 100);
task_util::WaitForIdle();
// Verify that inet6 route aggregation is not done
VERIFY_EQ(2, RouteCount("test.inet6.0"));
BgpRoute *rt =
RouteLookup<Inet6Definition>("test.inet6.0", "2001:db8:85a3::/64");
ASSERT_TRUE(rt != NULL);
TASK_UTIL_EXPECT_EQ(rt->count(), 1);
TASK_UTIL_EXPECT_TRUE(rt->BestPath() != NULL);
// Verify that inet route aggregation is not done
VERIFY_EQ(1, RouteCount("test.inet.0"));
DeleteRoute<Inet6Definition>(peers_[0], "test.inet6.0",
"2001:db8:85a3::8a2e:370:7334/128");
DeleteRoute<InetDefinition>(peers_[0], "test.inet.0", "2.2.9.1/32");
task_util::WaitForIdle();
}
//
// Delete the nexthop route and verify that aggregate route's best path is
// not feasible. Now delete the more specific route and validate that aggregate
// route is removed
//
TEST_F(RouteAggregatorTest, Basic_DeleteNexthop) {
string content =
FileRead("controller/src/bgp/testdata/route_aggregate_0.xml");
EXPECT_TRUE(parser_.Parse(content));
task_util::WaitForIdle();
boost::system::error_code ec;
peers_.push_back(
new BgpPeerMock(Ip4Address::from_string("192.168.0.1", ec)));
AddRoute<InetDefinition>(peers_[0], "test.inet.0", "1.1.1.1/32", 100);
task_util::WaitForIdle();
AddRoute<InetDefinition>(peers_[0], "test.inet.0", "2.2.1.1/32", 100);
task_util::WaitForIdle();
VERIFY_EQ(3, RouteCount("test.inet.0"));
BgpRoute *rt = RouteLookup<InetDefinition>("test.inet.0", "2.2.0.0/16");
ASSERT_TRUE(rt != NULL);
TASK_UTIL_EXPECT_EQ(rt->count(), 2);
TASK_UTIL_EXPECT_TRUE(rt->BestPath() != NULL);
TASK_UTIL_EXPECT_TRUE(rt->BestPath()->IsFeasible());
DeleteRoute<InetDefinition>(peers_[0], "test.inet.0", "1.1.1.1/32");
task_util::WaitForIdle();
VERIFY_EQ(2, RouteCount("test.inet.0"));
rt = RouteLookup<InetDefinition>("test.inet.0", "2.2.0.0/16");
ASSERT_TRUE(rt != NULL);
TASK_UTIL_EXPECT_EQ(rt->count(), 1);
TASK_UTIL_EXPECT_TRUE(rt->BestPath() != NULL);
TASK_UTIL_EXPECT_TRUE(rt->BestPath()->IsFeasible() == false);
// Verify the sandesh
VerifyRouteAggregateSandesh("test");
DeleteRoute<InetDefinition>(peers_[0], "test.inet.0", "2.2.1.1/32");
task_util::WaitForIdle();
VERIFY_EQ(0, RouteCount("test.inet.0"));
rt = RouteLookup<InetDefinition>("test.inet.0", "2.2.0.0/16");
ASSERT_TRUE(rt == NULL);
}
//
// Delete the more specific route and validate that aggregate route is deleted
//
TEST_F(RouteAggregatorTest, Basic_MoreSpecificDelete) {
string content =
FileRead("controller/src/bgp/testdata/route_aggregate_0.xml");
EXPECT_TRUE(parser_.Parse(content));
task_util::WaitForIdle();
boost::system::error_code ec;
peers_.push_back(
new BgpPeerMock(Ip4Address::from_string("192.168.0.1", ec)));
AddRoute<InetDefinition>(peers_[0], "test.inet.0", "1.1.1.1/32", 100);
task_util::WaitForIdle();
AddRoute<InetDefinition>(peers_[0], "test.inet.0", "2.2.1.1/32", 100);
task_util::WaitForIdle();
VERIFY_EQ(3, RouteCount("test.inet.0"));
BgpRoute *rt = RouteLookup<InetDefinition>("test.inet.0", "2.2.0.0/16");
ASSERT_TRUE(rt != NULL);
TASK_UTIL_EXPECT_EQ(rt->count(), 2);
TASK_UTIL_EXPECT_TRUE(rt->BestPath() != NULL);
TASK_UTIL_EXPECT_TRUE(rt->BestPath()->IsFeasible());
DeleteRoute<InetDefinition>(peers_[0], "test.inet.0", "2.2.1.1/32");
task_util::WaitForIdle();
// Verify the sandesh
VerifyRouteAggregateSandesh("test");
VERIFY_EQ(1, RouteCount("test.inet.0"));
rt = RouteLookup<InetDefinition>("test.inet.0", "2.2.0.0/16");
ASSERT_TRUE(rt == NULL);
DeleteRoute<InetDefinition>(peers_[0], "test.inet.0", "1.1.1.1/32");
task_util::WaitForIdle();
}
//
// Add multiple more specific route for a given aggreagate prefix and delete
// Verify that aggregate route is deleted only after last aggregate prefix
// delete
//
TEST_F(RouteAggregatorTest, Basic_LastMoreSpecificDelete) {
string content =
FileRead("controller/src/bgp/testdata/route_aggregate_0.xml");
EXPECT_TRUE(parser_.Parse(content));
task_util::WaitForIdle();
boost::system::error_code ec;
peers_.push_back(
new BgpPeerMock(Ip4Address::from_string("192.168.0.1", ec)));
AddRoute<InetDefinition>(peers_[0], "test.inet.0", "1.1.1.1/32", 100);
task_util::WaitForIdle();
AddRoute<InetDefinition>(peers_[0], "test.inet.0", "2.2.1.1/32", 100);
AddRoute<InetDefinition>(peers_[0], "test.inet.0", "2.2.2.1/32", 100);
AddRoute<InetDefinition>(peers_[0], "test.inet.0", "2.2.3.1/32", 100);
task_util::WaitForIdle();
VERIFY_EQ(5, RouteCount("test.inet.0"));
BgpRoute *rt = RouteLookup<InetDefinition>("test.inet.0", "2.2.0.0/16");
ASSERT_TRUE(rt != NULL);
TASK_UTIL_EXPECT_EQ(rt->count(), 2);
TASK_UTIL_EXPECT_TRUE(rt->BestPath() != NULL);
TASK_UTIL_EXPECT_TRUE(rt->BestPath()->IsFeasible());
DeleteRoute<InetDefinition>(peers_[0], "test.inet.0", "2.2.1.1/32");
task_util::WaitForIdle();
VERIFY_EQ(4, RouteCount("test.inet.0"));
rt = RouteLookup<InetDefinition>("test.inet.0", "2.2.0.0/16");
ASSERT_TRUE(rt != NULL);
TASK_UTIL_EXPECT_TRUE(rt->BestPath() != NULL);
TASK_UTIL_EXPECT_TRUE(rt->BestPath()->IsFeasible());
// Verify the sandesh
VerifyRouteAggregateSandesh("test");
DeleteRoute<InetDefinition>(peers_[0], "test.inet.0", "2.2.2.1/32");
task_util::WaitForIdle();
VERIFY_EQ(3, RouteCount("test.inet.0"));
// Verify the sandesh
VerifyRouteAggregateSandesh("test");
DeleteRoute<InetDefinition>(peers_[0], "test.inet.0", "2.2.3.1/32");
task_util::WaitForIdle();
VERIFY_EQ(1, RouteCount("test.inet.0"));
// Verify the sandesh
VerifyRouteAggregateSandesh("test");
DeleteRoute<InetDefinition>(peers_[0], "test.inet.0", "1.1.1.1/32");
task_util::WaitForIdle();
}
//
// Add route aggregate config to routing instance with service chain config
// Ensure that origin vn is set correctly on the aggregate route
//
TEST_F(RouteAggregatorTest, ServiceChain) {
string content =
FileRead("controller/src/bgp/testdata/route_aggregate_4.xml");
EXPECT_TRUE(parser_.Parse(content));
task_util::WaitForIdle();
boost::system::error_code ec;
peers_.push_back(
new BgpPeerMock(Ip4Address::from_string("192.168.0.1", ec)));
AddRoute<InetDefinition>(peers_[0], "red.inet.0", "1.1.1.3/32", 100);
AddRoute<InetDefinition>(peers_[0], "red.inet.0", "2.2.2.1/32", 100);
AddRoute<InetDefinition>(peers_[0], "blue.inet.0", "1.1.1.3/32", 100);
AddRoute<InetDefinition>(peers_[0], "blue.inet.0", "1.1.1.1/32", 100);
task_util::WaitForIdle();
VERIFY_EQ(4, RouteCount("red.inet.0"));
VERIFY_EQ(4, RouteCount("blue.inet.0"));
BgpRoute *rt = RouteLookup<InetDefinition>("blue.inet.0", "2.2.2.0/24");
ASSERT_TRUE(rt != NULL);
TASK_UTIL_EXPECT_EQ(rt->count(), 2);
TASK_UTIL_EXPECT_TRUE(rt->BestPath() != NULL);
TASK_UTIL_EXPECT_TRUE(rt->BestPath()->IsFeasible());
TASK_UTIL_EXPECT_TRUE(GetOriginVnFromRoute(rt->BestPath()) == "red-vn");
rt = RouteLookup<InetDefinition>("blue.inet.0", "2.2.2.1/32");
ASSERT_TRUE(rt != NULL);
TASK_UTIL_EXPECT_EQ(rt->count(), 1);
TASK_UTIL_EXPECT_TRUE(rt->BestPath() != NULL);
TASK_UTIL_EXPECT_TRUE(rt->BestPath()->IsFeasible());
TASK_UTIL_EXPECT_TRUE(rt->BestPath()->GetSource() == BgpPath::ServiceChain);
TASK_UTIL_EXPECT_TRUE(IsContributingRoute<InetDefinition>("blue",
"blue.inet.0", "2.2.2.1/32"));
rt = RouteLookup<InetDefinition>("red.inet.0", "1.1.1.0/24");
ASSERT_TRUE(rt != NULL);
TASK_UTIL_EXPECT_EQ(rt->count(), 2);
TASK_UTIL_EXPECT_TRUE(rt->BestPath() != NULL);
TASK_UTIL_EXPECT_TRUE(rt->BestPath()->IsFeasible());
TASK_UTIL_EXPECT_TRUE(GetOriginVnFromRoute(rt->BestPath()) == "blue-vn");
rt = RouteLookup<InetDefinition>("red.inet.0", "1.1.1.1/32");
ASSERT_TRUE(rt != NULL);
TASK_UTIL_EXPECT_EQ(rt->count(), 1);
TASK_UTIL_EXPECT_TRUE(rt->BestPath() != NULL);
TASK_UTIL_EXPECT_TRUE(rt->BestPath()->IsFeasible());
TASK_UTIL_EXPECT_TRUE(rt->BestPath()->GetSource() == BgpPath::ServiceChain);
TASK_UTIL_EXPECT_TRUE(IsContributingRoute<InetDefinition>("red",
"red.inet.0", "1.1.1.1/32"));
DeleteRoute<InetDefinition>(peers_[0], "red.inet.0", "1.1.1.3/32");
DeleteRoute<InetDefinition>(peers_[0], "red.inet.0", "2.2.2.1/32");
DeleteRoute<InetDefinition>(peers_[0], "blue.inet.0", "1.1.1.1/32");
DeleteRoute<InetDefinition>(peers_[0], "blue.inet.0", "1.1.1.3/32");
task_util::WaitForIdle();
}
//
// Remove the route-aggregate object from routing instance and ensure that
// aggregated route is deleted
//
TEST_F(RouteAggregatorTest, ConfigDelete) {
string content =
FileRead("controller/src/bgp/testdata/route_aggregate_0.xml");
EXPECT_TRUE(parser_.Parse(content));
task_util::WaitForIdle();
boost::system::error_code ec;
peers_.push_back(
new BgpPeerMock(Ip4Address::from_string("192.168.0.1", ec)));
AddRoute<InetDefinition>(peers_[0], "test.inet.0", "1.1.1.1/32", 100);
task_util::WaitForIdle();
AddRoute<InetDefinition>(peers_[0], "test.inet.0", "2.2.1.1/32", 100);
task_util::WaitForIdle();
VERIFY_EQ(3, RouteCount("test.inet.0"));
BgpRoute *rt = RouteLookup<InetDefinition>("test.inet.0", "2.2.0.0/16");
ASSERT_TRUE(rt != NULL);
TASK_UTIL_EXPECT_EQ(rt->count(), 2);
TASK_UTIL_EXPECT_TRUE(rt->BestPath() != NULL);
TASK_UTIL_EXPECT_TRUE(rt->BestPath()->IsFeasible());
// Verify the sandesh
VerifyRouteAggregateSandesh("test");
// Unlink the route aggregate config from vrf
ifmap_test_util::IFMapMsgUnlink(&config_db_, "routing-instance", "test",
"route-aggregate", "vn_subnet", "route-aggregate-routing-instance");
task_util::WaitForIdle();
VERIFY_EQ(2, RouteCount("test.inet.0"));
rt = RouteLookup<InetDefinition>("test.inet.0", "2.2.0.0/16");
ASSERT_TRUE(rt == NULL);
DeleteRoute<InetDefinition>(peers_[0], "test.inet.0", "1.1.1.1/32");