/
test_nh.cc
2507 lines (2138 loc) · 102 KB
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test_nh.cc
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/*
* Copyright (c) 2013 Juniper Networks, Inc. All rights reserved.
*/
#include "base/os.h"
#include <boost/assign/list_of.hpp>
#include <cfg/cfg_init.h>
#include <cfg/cfg_interface.h>
#include <oper/operdb_init.h>
#include <controller/controller_init.h>
#include <pkt/pkt_init.h>
#include <services/services_init.h>
#include <vrouter/ksync/ksync_init.h>
#include <cmn/agent_cmn.h>
#include <base/task.h>
#include <io/event_manager.h>
#include <base/util.h>
#include <oper/vn.h>
#include <oper/vm.h>
#include <oper/interface_common.h>
#include <oper/nexthop.h>
#include <oper/tunnel_nh.h>
#include <oper/mirror_table.h>
#include "testing/gunit.h"
#include "test_cmn_util.h"
#include "vr_types.h"
using namespace std;
using namespace boost::assign;
std::string analyzer = "TestAnalyzer";
//TestClient *client;
void RouterIdDepInit(Agent *agent) {
}
class CfgTest : public ::testing::Test {
public:
void SetUp() {
boost::system::error_code ec;
bgp_peer = CreateBgpPeer(Ip4Address::from_string("0.0.0.1", ec),
"xmpp channel");
agent_ = Agent::GetInstance();
}
void TearDown() {
WAIT_FOR(1000, 1000, agent_->vrf_table()->Size() == 1);
DeleteBgpPeer(bgp_peer);
}
Agent *agent_;
BgpPeer *bgp_peer;
};
static void ValidateSandeshResponse(Sandesh *sandesh, vector<int> &result) {
//TBD
//Validate the response by the expectation
}
static void DoNextHopSandesh() {
NhListReq *nh_list_req = new NhListReq();
std::vector<int> result = list_of(1);
Sandesh::set_response_callback(boost::bind(ValidateSandeshResponse, _1, result));
nh_list_req->HandleRequest();
client->WaitForIdle();
nh_list_req->Release();
client->WaitForIdle();
}
static void WaitForIdle(uint32_t size, uint32_t max_retries) {
do {
client->WaitForIdle();
} while ((Agent::GetInstance()->nexthop_table()->Size() == size) && max_retries-- > 0);
}
static void CreateTunnelNH(const string &vrf_name, const Ip4Address &sip,
const Ip4Address &dip, bool policy,
TunnelType::TypeBmap bmap){
DBRequest req;
TunnelNHData *data = new TunnelNHData();
uint32_t table_size = Agent::GetInstance()->nexthop_table()->Size();
NextHopKey *key = new TunnelNHKey(vrf_name, sip, dip, policy,
TunnelType::ComputeType(bmap));
req.oper = DBRequest::DB_ENTRY_ADD_CHANGE;
req.key.reset(key);
req.data.reset(data);
Agent::GetInstance()->nexthop_table()->Enqueue(&req);
WaitForIdle(table_size, 5);
}
static void DeleteTunnelNH(const string &vrf_name, const Ip4Address &sip,
const Ip4Address &dip, bool policy,
TunnelType::TypeBmap bmap){
DBRequest req;
TunnelNHData *data = new TunnelNHData();
uint32_t table_size = Agent::GetInstance()->nexthop_table()->Size();
NextHopKey *key = new TunnelNHKey(vrf_name, sip, dip, policy,
TunnelType::ComputeType(bmap));
req.oper = DBRequest::DB_ENTRY_DELETE;
req.key.reset(key);
req.data.reset(data);
Agent::GetInstance()->nexthop_table()->Enqueue(&req);
WaitForIdle(table_size, 5);
}
// Verify that index-0 is not used by agent and discard nh uses index 1
TEST_F(CfgTest, DiscardNhIndex_) {
NextHopTable *table = Agent::GetInstance()->nexthop_table();
EXPECT_TRUE(table->FindNextHop(0) == NULL);
NextHop *nh = table->discard_nh();
EXPECT_NE(nh->id(), 0);
}
TEST_F(CfgTest, TunnelNh_1) {
DBRequest req;
client->WaitForIdle();
NextHopKey *dscd_key = new DiscardNHKey();
req.oper = DBRequest::DB_ENTRY_ADD_CHANGE;
req.key.reset(dscd_key);
agent_->nexthop_table()->Enqueue(&req);
client->WaitForIdle();
CreateTunnelNH(agent_->fabric_vrf_name(), agent_->router_id(),
Ip4Address::from_string("10.1.1.10"), false,
TunnelType::AllType());
CreateTunnelNH(agent_->fabric_vrf_name(), agent_->router_id(),
Ip4Address::from_string("10.1.1.10"), true,
TunnelType::AllType());
CreateTunnelNH(agent_->fabric_vrf_name(),
Ip4Address::from_string("30.30.30.30"),
Ip4Address::from_string("20.20.20.20"), true,
TunnelType::AllType());
CreateTunnelNH(agent_->fabric_vrf_name(),
Ip4Address::from_string("33.30.30.30"),
Ip4Address::from_string("22.20.20.20"), false,
TunnelType::AllType());
DeleteTunnelNH(agent_->fabric_vrf_name(), agent_->router_id(),
Ip4Address::from_string("10.1.1.10"), false,
TunnelType::AllType());
DeleteTunnelNH(agent_->fabric_vrf_name(), agent_->router_id(),
Ip4Address::from_string("10.1.1.10"), true,
TunnelType::AllType());
DeleteTunnelNH(agent_->fabric_vrf_name(),
Ip4Address::from_string("30.30.30.30"),
Ip4Address::from_string("20.20.20.20"), true,
TunnelType::AllType());
DeleteTunnelNH(agent_->fabric_vrf_name(),
Ip4Address::from_string("33.30.30.30"),
Ip4Address::from_string("22.20.20.20"), false,
TunnelType::AllType());
client->WaitForIdle();
}
TEST_F(CfgTest, TunnelNh_2) {
DBRequest req;
client->WaitForIdle();
AddEncapList("MPLSoUDP", NULL, NULL);
client->WaitForIdle();
NextHopKey *dscd_key = new DiscardNHKey();
req.oper = DBRequest::DB_ENTRY_ADD_CHANGE;
req.key.reset(dscd_key);
agent_->nexthop_table()->Enqueue(&req);
client->WaitForIdle();
CreateTunnelNH(agent_->fabric_vrf_name(), agent_->router_id(),
Ip4Address::from_string("10.1.1.10"), false,
(1 << TunnelType::MPLS_UDP));
WAIT_FOR(100, 100, (TunnelNHFind(Ip4Address::from_string("10.1.1.10"),
false, TunnelType::MPLS_UDP) == true));
CreateTunnelNH(agent_->fabric_vrf_name(), agent_->router_id(),
Ip4Address::from_string("10.1.1.10"), true,
(1 << TunnelType::MPLS_UDP));
WAIT_FOR(100, 100, (TunnelNHFind(Ip4Address::from_string("10.1.1.10"),
true, TunnelType::MPLS_UDP)));
DeleteTunnelNH(agent_->fabric_vrf_name(), agent_->router_id(),
Ip4Address::from_string("10.1.1.10"), false,
(1 << TunnelType::MPLS_UDP));
DeleteTunnelNH(agent_->fabric_vrf_name(), agent_->router_id(),
Ip4Address::from_string("10.1.1.10"), true,
(1 << TunnelType::MPLS_UDP));
client->WaitForIdle();
DelEncapList();
client->WaitForIdle();
}
//Enqueue change request for tunnel
//Since all the request are same,
//make sure tunnel NH is not notified
TEST_F(CfgTest, TunnelNh_3) {
CreateTunnelNH(agent_->fabric_vrf_name(), agent_->router_id(),
Ip4Address::from_string("10.1.1.10"), false,
TunnelType::AllType());
client->WaitForIdle();
client->NextHopReset();
for (uint32_t i = 0; i < 10; i++) {
CreateTunnelNH(agent_->fabric_vrf_name(), agent_->router_id(),
Ip4Address::from_string("10.1.1.10"), false,
TunnelType::AllType());
client->WaitForIdle();
}
EXPECT_TRUE(client->nh_notify_ == 0);
DeleteTunnelNH(agent_->fabric_vrf_name(), agent_->router_id(),
Ip4Address::from_string("10.1.1.10"), true,
TunnelType::AllType());
client->WaitForIdle();
}
TEST_F(CfgTest, MirrorNh_1) {
DBRequest req;
uint32_t table_size = agent_->nexthop_table()->Size();
AddVrf("test_vrf");
client->WaitForIdle();
client->Reset();
NextHopKey *dscd_key = new DiscardNHKey();
req.oper = DBRequest::DB_ENTRY_ADD_CHANGE;
req.key.reset(dscd_key);
agent_->nexthop_table()->Enqueue(&req);
client->WaitForIdle();
MirrorNHKey key
(agent_->fabric_vrf_name(), Ip4Address::from_string("10.10.10.10"),
10, Ip4Address::from_string("20.20.20.20"), 20);
table_size = agent_->nexthop_table()->Size();
std::string analyzer_1 = "TestAnalyzer_1";
MirrorTable::AddMirrorEntry(analyzer_1, agent_->fabric_vrf_name(),
Ip4Address::from_string("10.10.10.10"), 10,
Ip4Address::from_string("20.20.20.20"), 20);
WaitForIdle(table_size, 5);
//Do key operations
MirrorNH *mirror_nh = static_cast<MirrorNH *>(agent_->nexthop_table()->
FindActiveEntry(&key));
EXPECT_TRUE(mirror_nh != NULL);
mirror_nh->SetKey(mirror_nh->GetDBRequestKey().get());
/* Test dport */
table_size = agent_->nexthop_table()->Size();
std::string analyzer_2 = "TestAnalyzer_2";
MirrorTable::AddMirrorEntry(analyzer_2, agent_->fabric_vrf_name(),
Ip4Address::from_string("10.10.10.10"), 10,
Ip4Address::from_string("20.20.20.20"), 30);
MirrorNHKey mirror_dport_key
(agent_->fabric_vrf_name(), Ip4Address::from_string("10.10.10.10"),
10, Ip4Address::from_string("20.20.20.20"), 30);
WaitForIdle(table_size, 5);
table_size = agent_->nexthop_table()->Size();
EXPECT_TRUE(agent_->nexthop_table()->FindActiveEntry(&mirror_dport_key) != NULL);
EXPECT_TRUE(agent_->nexthop_table()->FindActiveEntry(&key) != NULL);
/* Delete Added mirror entries */
table_size = agent_->nexthop_table()->Size();
MirrorTable::DelMirrorEntry(analyzer_1);
WaitForIdle(table_size, 5);
table_size = agent_->nexthop_table()->Size();
MirrorTable::DelMirrorEntry(analyzer_2);
WaitForIdle(table_size, 5);
DelVrf("test_vrf");
}
TEST_F(CfgTest, MirrorNh_2) {
AddVrf("test_vrf");
client->WaitForIdle();
client->Reset();
MirrorNHKey key
(agent_->fabric_vrf_name(), Ip4Address::from_string("10.10.10.10"),
10, Ip4Address::from_string("20.20.20.20"), 20);
std::string analyzer_1 = "TestAnalyzer_1";
MirrorTable::AddMirrorEntry(analyzer_1, agent_->fabric_vrf_name(),
Ip4Address::from_string("10.10.10.10"), 10,
Ip4Address::from_string("20.20.20.20"), 20);
client->WaitForIdle();
client->Reset();
for (uint32_t i = 0; i < 10; i++) {
MirrorTable::AddMirrorEntry(analyzer_1, agent_->fabric_vrf_name(),
Ip4Address::from_string("10.10.10.10"), 10,
Ip4Address::from_string("20.20.20.20"), 20);
client->WaitForIdle();
}
EXPECT_TRUE(client->nh_notify_ == 0);
MirrorTable::DelMirrorEntry(analyzer_1);
client->WaitForIdle();
DelVrf("test_vrf");
client->WaitForIdle();
}
TEST_F(CfgTest, NhSandesh_1) {
uint32_t table_size = agent_->nexthop_table()->Size();
VrfAddReq("test_vrf_sandesh");
client->WaitForIdle();
CreateTunnelNH(agent_->fabric_vrf_name(), agent_->router_id(),
Ip4Address::from_string("100.1.1.10"), false,
TunnelType::AllType());
table_size = agent_->nexthop_table()->Size();
std::string analyzer_1 = "AnalyzerNhSandesh_1";
MirrorTable::AddMirrorEntry(analyzer_1,
agent_->fabric_vrf_name(),
Ip4Address::from_string("100.10.10.10"), 100,
Ip4Address::from_string("200.20.20.20"), 200);
WaitForIdle(table_size, 5);
//Mock the sandesh request, no expecatation just catch crashes.
NhListReq *nh_list_req = new NhListReq();
std::vector<int> result = list_of(1);
Sandesh::set_response_callback(boost::bind(ValidateSandeshResponse, _1, result));
nh_list_req->HandleRequest();
client->WaitForIdle();
nh_list_req->Release();
client->WaitForIdle();
DeleteTunnelNH(agent_->fabric_vrf_name(), agent_->router_id(),
Ip4Address::from_string("100.1.1.10"), false,
TunnelType::AllType());
table_size = agent_->nexthop_table()->Size();
MirrorTable::DelMirrorEntry(analyzer_1);
WaitForIdle(table_size, 5);
VrfDelReq("test_vrf_sandesh");
}
TEST_F(CfgTest, CreateVrfNh_1) {
DBRequest req;
VrfAddReq("test_vrf");
client->WaitForIdle();
NextHopKey *key = new VrfNHKey("test_vrf", false, false);
req.oper = DBRequest::DB_ENTRY_ADD_CHANGE;
req.key.reset(key);
req.data.reset(new VrfNHData(false));
agent_->nexthop_table()->Enqueue(&req);
client->WaitForIdle();
key = new VrfNHKey("test_vrf", false, false);
req.oper = DBRequest::DB_ENTRY_DELETE;
req.key.reset(key);
req.data.reset(new VrfNHData(false));
agent_->nexthop_table()->Enqueue(&req);
VrfDelReq("test_vrf");
}
TEST_F(CfgTest, EcmpNH_controller) {
client->WaitForIdle();
struct PortInfo input1[] = {
{"vnet10", 10, "1.1.1.1", "00:00:00:01:01:01", 10, 10}
};
client->Reset();
AddEncapList("MPLSoGRE", "MPLSoUDP", "VXLAN");
client->WaitForIdle();
CreateVmportEnv(input1, 1);
client->WaitForIdle();
//Now add remote route with ECMP comp NH
Ip4Address ip1 = Ip4Address::from_string("9.9.9.1");
Ip4Address ip2 = Ip4Address::from_string("9.9.9.2");
TunnelNHKey *nh_key = new TunnelNHKey(agent_->fabric_vrf_name(),
agent_->router_id(),
ip1, false,
TunnelType::MPLS_GRE);
std::auto_ptr<const NextHopKey> nh_key_ptr(nh_key);
TunnelNHKey *nh_key_2 = new TunnelNHKey(agent_->fabric_vrf_name(),
agent_->router_id(),
ip2, false,
TunnelType::MPLS_GRE);
std::auto_ptr<const NextHopKey> nh_key_ptr_2(nh_key_2);
ComponentNHKeyPtr component_nh_key(new ComponentNHKey(1000,
nh_key_ptr));
ComponentNHKeyPtr component_nh_key_2(new ComponentNHKey(1001,
nh_key_ptr_2));
ComponentNHKeyList comp_nh_list;
comp_nh_list.push_back(component_nh_key);
comp_nh_list.push_back(component_nh_key_2);
DBRequest nh_req(DBRequest::DB_ENTRY_ADD_CHANGE);
nh_req.key.reset(new CompositeNHKey(Composite::ECMP, true,
comp_nh_list, "vrf10"));
nh_req.data.reset(new CompositeNHData());
Ip4Address prefix = Ip4Address::from_string("18.18.18.0");
PathPreference rp(100, PathPreference::LOW, false, false);
SecurityGroupList sg;
BgpPeer *peer_;
peer_ = CreateBgpPeer(Ip4Address::from_string("0.0.0.1"),
"xmpp channel");
VnListType vn_list;
vn_list.insert("vn10");
ControllerEcmpRoute *data =
new ControllerEcmpRoute(peer_, prefix, 24, vn_list, -1,
false, "vrf10", sg, rp,
(1 << TunnelType::MPLS_GRE),
EcmpLoadBalance(),
nh_req);
//ECMP create component NH
InetUnicastAgentRouteTable::AddRemoteVmRouteReq(peer_, "vrf10",
prefix, 24, data);
client->WaitForIdle();
InetUnicastRouteEntry *rt = RouteGet("vrf10", prefix, 24);
EXPECT_TRUE(rt != NULL);
const CompositeNH *cnh = static_cast<const CompositeNH *>(rt->GetActiveNextHop());
const TunnelNH *tnh = static_cast<const TunnelNH *>(cnh->GetNH(0));
EXPECT_TRUE(tnh->GetTunnelType().GetType() == TunnelType::MPLS_GRE);
tnh = static_cast<const TunnelNH *>(cnh->GetNH(1));
EXPECT_TRUE(tnh->GetTunnelType().GetType() == TunnelType::MPLS_GRE);
AddEncapList("MPLSoUDP", "MPLSoGRE", "VXLAN");
client->WaitForIdle();
rt = RouteGet("vrf10", prefix, 24);
EXPECT_TRUE(rt != NULL);
cnh = static_cast<const CompositeNH *>(rt->GetActiveNextHop());
tnh = static_cast<const TunnelNH *>(cnh->GetNH(0));
EXPECT_TRUE(tnh->GetTunnelType().GetType() == TunnelType::MPLS_GRE);
tnh = static_cast<const TunnelNH *>(cnh->GetNH(1));
EXPECT_TRUE(tnh->GetTunnelType().GetType() == TunnelType::MPLS_GRE);
DeleteBgpPeer(peer_);
}
TEST_F(CfgTest, EcmpNH_1) {
//Create mutliple VM interface with same IP
struct PortInfo input1[] = {
{"vnet1", 1, "1.1.1.1", "00:00:00:01:01:01", 1, 1},
{"vnet2", 2, "1.1.1.1", "00:00:00:02:02:01", 1, 2},
{"vnet3", 3, "1.1.1.1", "00:00:00:02:02:03", 1, 3},
{"vnet4", 4, "1.1.1.1", "00:00:00:02:02:04", 1, 4},
{"vnet5", 5, "1.1.1.1", "00:00:00:02:02:05", 1, 5},
};
CreateVmportWithEcmp(input1, 5);
client->WaitForIdle();
//Check that route points to composite NH,
//with 5 members
Ip4Address ip = Ip4Address::from_string("1.1.1.1");
InetUnicastRouteEntry *rt = RouteGet("vrf1", ip, 32);
EXPECT_TRUE(rt != NULL);
const NextHop *nh = rt->GetActiveNextHop();
EXPECT_TRUE(nh->GetType() == NextHop::COMPOSITE);
const CompositeNH *comp_nh = static_cast<const CompositeNH *>(nh);
EXPECT_TRUE(comp_nh->ComponentNHCount() == 5);
//Get the MPLS label corresponding to this path and verify
//that mpls label also has 5 component NH
uint32_t mpls_label = rt->GetActiveLabel();
EXPECT_TRUE(FindMplsLabel(MplsLabel::VPORT_NH, mpls_label));
EXPECT_TRUE(nh->GetType() == NextHop::COMPOSITE);
comp_nh = static_cast<const CompositeNH *>(nh);
EXPECT_TRUE(comp_nh->ComponentNHCount() == 5);
DeleteVmportEnv(input1, 5, true);
WAIT_FOR(100, 1000, (VrfFind("vrf1") == false));
client->WaitForIdle();
EXPECT_FALSE(RouteFind("vrf1", ip, 32));
//Expect MPLS label to be not present
EXPECT_FALSE(FindMplsLabel(MplsLabel::VPORT_NH, mpls_label));
}
//Create multiple VM with same virtual IP and verify
//ecmp NH gets created and also verify that it gets deleted
//upon VM deletion.
TEST_F(CfgTest, EcmpNH_2) {
//Create mutliple VM interface with same IP
struct PortInfo input1[] = {
{"vnet1", 1, "1.1.1.1", "00:00:00:01:01:01", 1, 1}
};
struct PortInfo input2[] = {
{"vnet2", 2, "1.1.1.1", "00:00:00:02:02:01", 1, 2}
};
struct PortInfo input3[] = {
{"vnet3", 3, "1.1.1.1", "00:00:00:02:02:03", 1, 3}
};
struct PortInfo input4[] = {
{"vnet4", 4, "1.1.1.1", "00:00:00:02:02:04", 1, 4}
};
struct PortInfo input5[] = {
{"vnet5", 5, "1.1.1.1", "00:00:00:02:02:05", 1, 5}
};
CreateVmportWithEcmp(input1, 1, 1);
client->WaitForIdle();
//First VM added, route points to composite NH
Ip4Address ip = Ip4Address::from_string("1.1.1.1");
InetUnicastRouteEntry *rt = RouteGet("vrf1", ip, 32);
EXPECT_TRUE(rt != NULL);
const NextHop *nh = rt->GetActiveNextHop();
EXPECT_TRUE(nh->GetType() == NextHop::INTERFACE);
EXPECT_TRUE(nh->PolicyEnabled() == true);
//Second VM added, route should point to composite NH
CreateVmportWithEcmp(input2, 1);
client->WaitForIdle();
nh = rt->GetActiveNextHop();
EXPECT_TRUE(nh->GetType() == NextHop::COMPOSITE);
const CompositeNH *comp_nh = static_cast<const CompositeNH *>(nh);
EXPECT_TRUE(comp_nh->ComponentNHCount() == 2);
const InterfaceNH *intf_nh = static_cast<const InterfaceNH *>(comp_nh->Get(0)->nh());
EXPECT_TRUE(intf_nh->PolicyEnabled() == false);
EXPECT_TRUE(intf_nh->GetInterface()->name() == "vnet1");
CreateVmportWithEcmp(input3, 1);
client->WaitForIdle();
comp_nh = static_cast<const CompositeNH *>(rt->GetActiveNextHop());
EXPECT_TRUE(comp_nh->ComponentNHCount() == 3);
CreateVmportWithEcmp(input4, 1);
client->WaitForIdle();
comp_nh = static_cast<const CompositeNH *>(rt->GetActiveNextHop());
EXPECT_TRUE(comp_nh->ComponentNHCount() == 4);
CreateVmportWithEcmp(input5, 1);
client->WaitForIdle();
comp_nh = static_cast<const CompositeNH *>(rt->GetActiveNextHop());
EXPECT_TRUE(comp_nh->GetType() == NextHop::COMPOSITE);
EXPECT_TRUE(comp_nh->ComponentNHCount() == 5);
//Verify all the component NH have right label and nexthop
ComponentNHList::const_iterator component_nh_it =
comp_nh->begin();
intf_nh = static_cast<const InterfaceNH *>
((*component_nh_it)->nh());
EXPECT_TRUE(intf_nh->GetInterface()->name() == "vnet1");
MplsLabel *mpls = GetActiveLabel(MplsLabel::VPORT_NH,
(*component_nh_it)->label());
intf_nh = static_cast<const InterfaceNH *>(mpls->nexthop());
EXPECT_TRUE(intf_nh->GetInterface()->name() == "vnet1");
component_nh_it++;
intf_nh = static_cast<const InterfaceNH *>((*component_nh_it)->nh());
EXPECT_TRUE(intf_nh->GetInterface()->name() == "vnet2");
mpls = GetActiveLabel(MplsLabel::VPORT_NH,
(*component_nh_it)->label());
intf_nh = static_cast<const InterfaceNH *>(mpls->nexthop());
EXPECT_TRUE(intf_nh->GetInterface()->name() == "vnet2");
component_nh_it++;
intf_nh = static_cast<const InterfaceNH *>((*component_nh_it)->nh());
EXPECT_TRUE(intf_nh->GetInterface()->name() == "vnet3");
mpls = GetActiveLabel(MplsLabel::VPORT_NH,
(*component_nh_it)->label());
intf_nh = static_cast<const InterfaceNH *>(mpls->nexthop());
EXPECT_TRUE(intf_nh->GetInterface()->name() == "vnet3");
component_nh_it++;
intf_nh = static_cast<const InterfaceNH *>((*component_nh_it)->nh());
EXPECT_TRUE(intf_nh->GetInterface()->name() == "vnet4");
mpls = GetActiveLabel(MplsLabel::VPORT_NH,
(*component_nh_it)->label());
intf_nh = static_cast<const InterfaceNH *>(mpls->nexthop());
EXPECT_TRUE(intf_nh->GetInterface()->name() == "vnet4");
component_nh_it++;
intf_nh = static_cast<const InterfaceNH *>((*component_nh_it)->nh());
EXPECT_TRUE(intf_nh->GetInterface()->name() == "vnet5");
mpls = GetActiveLabel(MplsLabel::VPORT_NH,
(*component_nh_it)->label());
intf_nh = static_cast<const InterfaceNH *>(mpls->nexthop());
EXPECT_TRUE(intf_nh->GetInterface()->name() == "vnet5");
//Verify that mpls label allocated for ECMP route, points
//to the same composite NH
uint32_t composite_nh_mpls_label = rt->GetActiveLabel();
mpls = GetActiveLabel(MplsLabel::VPORT_NH, composite_nh_mpls_label);
EXPECT_TRUE(mpls->nexthop() == comp_nh);
//Delete couple of interface and verify composite NH also get
//deleted
DeleteVmportEnv(input2, 1, false);
DeleteVmportEnv(input4, 1, false);
client->WaitForIdle();
//Verify all the component NH have right label and nexthop
comp_nh = static_cast<const CompositeNH *>(rt->GetActiveNextHop());
component_nh_it = comp_nh->begin();
intf_nh = static_cast<const InterfaceNH *>((*component_nh_it)->nh());
EXPECT_TRUE(intf_nh->GetInterface()->name() == "vnet1");
mpls = GetActiveLabel(MplsLabel::VPORT_NH,
(*component_nh_it)->label());
intf_nh = static_cast<const InterfaceNH *>(mpls->nexthop());
EXPECT_TRUE(intf_nh->GetInterface()->name() == "vnet1");
//Interface 2 and 4 have been deleted, expected the component NH to
//be NULL
component_nh_it++;
EXPECT_TRUE(*component_nh_it == NULL);
component_nh_it++;
intf_nh = static_cast<const InterfaceNH *>((*component_nh_it)->nh());
EXPECT_TRUE(intf_nh->GetInterface()->name() == "vnet3");
mpls = GetActiveLabel(MplsLabel::VPORT_NH,
(*component_nh_it)->label());
intf_nh = static_cast<const InterfaceNH *>(mpls->nexthop());
EXPECT_TRUE(intf_nh->GetInterface()->name() == "vnet3");
//Interface vnet4 has been deleted, expect the component NH to be NULL
component_nh_it++;
EXPECT_TRUE(*component_nh_it == NULL);
component_nh_it++;
intf_nh = static_cast<const InterfaceNH *>((*component_nh_it)->nh());
EXPECT_TRUE(intf_nh->GetInterface()->name() == "vnet5");
mpls = GetActiveLabel(MplsLabel::VPORT_NH,
(*component_nh_it)->label());
intf_nh = static_cast<const InterfaceNH *>(mpls->nexthop());
EXPECT_TRUE(intf_nh->GetInterface()->name() == "vnet5");
DeleteVmportEnv(input3, 1, false);
DeleteVmportEnv(input5, 1, false);
DeleteVmportEnv(input1, 1, true);
client->WaitForIdle();
EXPECT_FALSE(RouteFind("vrf1", ip, 32));
//Expect MPLS label to be not present
EXPECT_FALSE(FindMplsLabel(MplsLabel::VPORT_NH, composite_nh_mpls_label));
WAIT_FOR(100, 1000, (VrfFind("vrf1") == false));
}
//Create multiple VM with same floating IP and verify
//ecmp NH gets created and also verify that it gets deleted
//upon floating IP disassociation
TEST_F(CfgTest, EcmpNH_3) {
//Create mutliple VM interface with same IP
struct PortInfo input1[] = {
{"vnet1", 1, "1.1.1.1", "00:00:00:01:01:01", 1, 1},
{"vnet2", 2, "1.1.1.2", "00:00:00:02:02:01", 1, 2},
{"vnet3", 3, "1.1.1.3", "00:00:00:02:02:03", 1, 3},
{"vnet4", 4, "1.1.1.4", "00:00:00:02:02:04", 1, 4},
{"vnet5", 5, "1.1.1.5", "00:00:00:02:02:05", 1, 5}
};
CreateVmportFIpEnv(input1, 5);
client->WaitForIdle();
EXPECT_TRUE(VmPortActive(1));
EXPECT_TRUE(VmPortActive(2));
EXPECT_TRUE(VmPortActive(3));
EXPECT_TRUE(VmPortActive(4));
EXPECT_TRUE(VmPortActive(5));
//Create one dummy interface vrf2 for floating IP
struct PortInfo input2[] = {
{"vnet6", 6, "1.1.1.1", "00:00:00:01:01:01", 2, 6},
};
CreateVmportFIpEnv(input2, 1);
client->WaitForIdle();
EXPECT_TRUE(VmPortActive(6));
//Create floating IP pool
AddFloatingIpPool("fip-pool1", 1);
AddFloatingIp("fip1", 1, "2.2.2.2");
AddLink("floating-ip", "fip1", "floating-ip-pool", "fip-pool1");
AddLink("floating-ip-pool", "fip-pool1", "virtual-network",
"default-project:vn2");
//Associate vnet1 with floating IP
AddLink("virtual-machine-interface", "vnet1", "floating-ip", "fip1");
client->WaitForIdle();
//First VM added, route points to composite NH
Ip4Address ip = Ip4Address::from_string("2.2.2.2");
InetUnicastRouteEntry *rt = RouteGet("default-project:vn2:vn2", ip, 32);
EXPECT_TRUE(rt != NULL);
const NextHop *nh = rt->GetActiveNextHop();
EXPECT_TRUE(nh->GetType() == NextHop::INTERFACE);
//Second VM added with same floating IP, route should point to composite NH
AddLink("virtual-machine-interface", "vnet2", "floating-ip", "fip1");
client->WaitForIdle();
nh = rt->GetActiveNextHop();
EXPECT_TRUE(nh->GetType() == NextHop::COMPOSITE);
const CompositeNH *comp_nh = static_cast<const CompositeNH *>(nh);
EXPECT_TRUE(comp_nh->ComponentNHCount() == 2);
AddLink("virtual-machine-interface", "vnet3", "floating-ip", "fip1");
client->WaitForIdle();
comp_nh = static_cast<const CompositeNH *>(rt->GetActiveNextHop());
EXPECT_TRUE(comp_nh->ComponentNHCount() == 3);
AddLink("virtual-machine-interface", "vnet4", "floating-ip", "fip1");
client->WaitForIdle();
comp_nh = static_cast<const CompositeNH *>(rt->GetActiveNextHop());
EXPECT_TRUE(comp_nh->ComponentNHCount() == 4);
AddLink("virtual-machine-interface", "vnet5", "floating-ip", "fip1");
client->WaitForIdle();
comp_nh = static_cast<const CompositeNH *>(rt->GetActiveNextHop());
EXPECT_TRUE(comp_nh->ComponentNHCount() == 5);
//Verify all the component NH have right label and nexthop
ComponentNHList::const_iterator component_nh_it =
comp_nh->begin();
const InterfaceNH *intf_nh = static_cast<const InterfaceNH *>
((*component_nh_it)->nh());
EXPECT_TRUE(intf_nh->GetInterface()->name() == "vnet1");
MplsLabel *mpls = GetActiveLabel(MplsLabel::VPORT_NH,
(*component_nh_it)->label());
intf_nh = static_cast<const InterfaceNH *>(mpls->nexthop());
EXPECT_TRUE(intf_nh->GetInterface()->name() == "vnet1");
component_nh_it++;
intf_nh = static_cast<const InterfaceNH *>((*component_nh_it)->nh());
EXPECT_TRUE(intf_nh->GetInterface()->name() == "vnet2");
mpls = GetActiveLabel(MplsLabel::VPORT_NH,
(*component_nh_it)->label());
intf_nh = static_cast<const InterfaceNH *>(mpls->nexthop());
EXPECT_TRUE(intf_nh->GetInterface()->name() == "vnet2");
component_nh_it++;
intf_nh = static_cast<const InterfaceNH *>((*component_nh_it)->nh());
EXPECT_TRUE(intf_nh->GetInterface()->name() == "vnet3");
mpls = GetActiveLabel(MplsLabel::VPORT_NH,
(*component_nh_it)->label());
intf_nh = static_cast<const InterfaceNH *>(mpls->nexthop());
EXPECT_TRUE(intf_nh->GetInterface()->name() == "vnet3");
component_nh_it++;
intf_nh = static_cast<const InterfaceNH *>((*component_nh_it)->nh());
EXPECT_TRUE(intf_nh->GetInterface()->name() == "vnet4");
mpls = GetActiveLabel(MplsLabel::VPORT_NH,
(*component_nh_it)->label());
intf_nh = static_cast<const InterfaceNH *>(mpls->nexthop());
EXPECT_TRUE(intf_nh->GetInterface()->name() == "vnet4");
component_nh_it++;
intf_nh = static_cast<const InterfaceNH *>((*component_nh_it)->nh());
EXPECT_TRUE(intf_nh->GetInterface()->name() == "vnet5");
mpls = GetActiveLabel(MplsLabel::VPORT_NH,
(*component_nh_it)->label());
intf_nh = static_cast<const InterfaceNH *>(mpls->nexthop());
EXPECT_TRUE(intf_nh->GetInterface()->name() == "vnet5");
//Verify that mpls label allocated for ECMP route, points
//to the same composite NH
uint32_t composite_mpls_label = rt->GetActiveLabel();
mpls = GetActiveLabel(MplsLabel::VPORT_NH, composite_mpls_label);
EXPECT_TRUE(mpls->nexthop() == comp_nh);
//Delete couple of interface and verify composite NH also get
//deleted
DelLink("virtual-machine-interface", "vnet1", "floating-ip", "fip1");
client->WaitForIdle();
comp_nh = static_cast<const CompositeNH *>(rt->GetActiveNextHop());
//Interface 1 has been deleted, expected the component NH to
//be NULL
component_nh_it = comp_nh->begin();
EXPECT_TRUE(*component_nh_it == NULL);
DelLink("virtual-machine-interface", "vnet2", "floating-ip", "fip1");
client->WaitForIdle();
comp_nh = static_cast<const CompositeNH *>(rt->GetActiveNextHop());
//Interface 2 has been deleted, expected the component NH to
//be NULL
component_nh_it = comp_nh->begin();
component_nh_it++;
EXPECT_TRUE(*component_nh_it == NULL);
DelLink("virtual-machine-interface", "vnet3", "floating-ip", "fip1");
client->WaitForIdle();
comp_nh = static_cast<const CompositeNH *>(rt->GetActiveNextHop());
//be NULL
component_nh_it = comp_nh->begin();
component_nh_it++;
component_nh_it++;
EXPECT_TRUE(*component_nh_it == NULL);
component_nh_it++;
intf_nh = static_cast<const InterfaceNH *>((*component_nh_it)->nh());
EXPECT_TRUE(intf_nh->GetInterface()->name() == "vnet4");
mpls = GetActiveLabel(MplsLabel::VPORT_NH,
(*component_nh_it)->label());
intf_nh = static_cast<const InterfaceNH *>(mpls->nexthop());
EXPECT_TRUE(intf_nh->GetInterface()->name() == "vnet4");
component_nh_it++;
intf_nh = static_cast<const InterfaceNH *>((*component_nh_it)->nh());
EXPECT_TRUE(intf_nh->GetInterface()->name() == "vnet5");
mpls = GetActiveLabel(MplsLabel::VPORT_NH,
(*component_nh_it)->label());
intf_nh = static_cast<const InterfaceNH *>(mpls->nexthop());
EXPECT_TRUE(intf_nh->GetInterface()->name() == "vnet5");
//Delete the vnet4 floating ip. Since only vent5 has floating IP
//route should point to interface NH
DelLink("virtual-machine-interface", "vnet4", "floating-ip", "fip1");
client->WaitForIdle();
EXPECT_TRUE(rt->GetActiveNextHop() == intf_nh);
//Expect MPLS label to be not present
EXPECT_FALSE(FindMplsLabel(MplsLabel::VPORT_NH, composite_mpls_label));
DelLink("virtual-machine-interface", "vnet5", "floating-ip", "fip1");
DelLink("floating-ip-pool", "fip-pool1", "virtual-network", "default-project:vn2");
client->WaitForIdle();
EXPECT_FALSE(RouteFind("default-project:vn2:vn2", ip, 32));
DeleteVmportFIpEnv(input1, 5, true);
DeleteVmportFIpEnv(input2, 1, true);
WAIT_FOR(100, 1000, (VrfFind("vrf1") == false));
WAIT_FOR(100, 1000, (VrfFind("vrf2") == false));
client->WaitForIdle();
}
//Create a ECMP NH on a delete marked VRF,
//and make sure NH is not created
TEST_F(CfgTest, EcmpNH_4) {
AddVrf("vrf2");
client->WaitForIdle();
VrfEntryRef vrf1 = VrfGet("vrf2");
client->WaitForIdle();
DelVrf("vrf2");
WAIT_FOR(100, 1000, (VrfFind("vrf2") == false));
client->WaitForIdle();
//Enqueue a request to add composite NH
//since the entry is marked delete, composite NH will not get
//created
ComponentNHKeyList comp_nh_list;
DBRequest req;
req.oper = DBRequest::DB_ENTRY_ADD_CHANGE;
req.key.reset(new CompositeNHKey(Composite::ECMP, true, comp_nh_list, "vrf2"));
req.data.reset(new CompositeNHData());
agent_->nexthop_table()->Enqueue(&req);
client->WaitForIdle();
CompositeNHKey key(Composite::ECMP, true, comp_nh_list, "vrf2");
EXPECT_FALSE(FindNH(&key));
vrf1.reset();
}
//Create a remote route first pointing to tunnel NH
//Change the route to point to composite NH with old tunnel NH
//and a new tunnel NH, and make sure
//preexiting NH gets slot 0 in composite NH
TEST_F(CfgTest, EcmpNH_5) {
AddVrf("vrf2");
client->WaitForIdle();
Ip4Address remote_vm_ip = Ip4Address::from_string("1.1.1.1");
Ip4Address remote_server_ip1 = Ip4Address::from_string("10.10.10.100");
Ip4Address remote_server_ip2 = Ip4Address::from_string("10.10.10.101");
//Add a remote VM route
Inet4TunnelRouteAdd(NULL, "vrf2", remote_vm_ip, 32, remote_server_ip1,
TunnelType::DefaultType(), 30, "vn2",
SecurityGroupList(), PathPreference());
client->WaitForIdle();
//Create component NH list
//Transition remote VM route to ECMP route
ComponentNHKeyPtr nh_data1(new ComponentNHKey(30, agent_->fabric_vrf_name(),
agent_->router_id(),
remote_server_ip1,
false,
TunnelType::DefaultType()));
ComponentNHKeyPtr nh_data2(new ComponentNHKey(20,
agent_->fabric_vrf_name(),
agent_->router_id(),
remote_server_ip2,
false,
TunnelType::DefaultType()));
ComponentNHKeyList comp_nh_list;
//Insert new NH first and then existing route NH
comp_nh_list.push_back(nh_data2);
comp_nh_list.push_back(nh_data1);
SecurityGroupList sg_id_list;
EcmpTunnelRouteAdd(NULL, "vrf2", remote_vm_ip, 32,
comp_nh_list, -1, "vn2", sg_id_list, PathPreference());
client->WaitForIdle();
InetUnicastRouteEntry *rt = RouteGet("vrf2", remote_vm_ip, 32);
EXPECT_TRUE(rt != NULL);
const NextHop *nh = rt->GetActiveNextHop();
EXPECT_TRUE(nh->GetType() == NextHop::COMPOSITE);
const CompositeNH *comp_nh = static_cast<const CompositeNH *>(nh);
EXPECT_TRUE(comp_nh->ComponentNHCount() == 2);
//Verify all the component NH have right label and nexthop
ComponentNHList::const_iterator component_nh_it =
comp_nh->begin();
const TunnelNH *tun_nh1 = static_cast<const TunnelNH *>
((*component_nh_it)->nh());
EXPECT_TRUE(*tun_nh1->GetDip() == remote_server_ip1);
EXPECT_TRUE((*component_nh_it)->label() == 30);
component_nh_it++;
tun_nh1 = static_cast<const TunnelNH *>((*component_nh_it)->nh());
EXPECT_TRUE(*tun_nh1->GetDip() == remote_server_ip2);
EXPECT_TRUE((*component_nh_it)->label() == 20);
agent_->fabric_inet4_unicast_table()->DeleteReq(NULL, "vrf2",
remote_vm_ip, 32, NULL);
DelVrf("vrf2");
WAIT_FOR(100, 1000, (VrfFind("vrf2") == false));
client->WaitForIdle();
EXPECT_FALSE(VrfFind("vrf2"));
}
//Create a remote route first pointing to tunnel NH
//Change the route to point to composite NH with all new tunnel NH
//make sure preexiting NH doesnt exist in the new component NH list
TEST_F(CfgTest, EcmpNH_6) {
AddVrf("vrf2");
client->WaitForIdle();
Ip4Address remote_vm_ip = Ip4Address::from_string("1.1.1.1");
Ip4Address remote_server_ip1 = Ip4Address::from_string("10.10.10.100");
Ip4Address remote_server_ip2 = Ip4Address::from_string("10.10.10.101");
Ip4Address remote_server_ip3 = Ip4Address::from_string("10.10.10.102");
//Add a remote VM route
Inet4TunnelRouteAdd(NULL, "vrf2",
remote_vm_ip,
32, remote_server_ip1,
TunnelType::AllType(),
30, "vn2",
SecurityGroupList(), PathPreference());
client->WaitForIdle();
//Create component NH list
//Transition remote VM route to ECMP route
ComponentNHKeyPtr nh_data1(new ComponentNHKey(30, agent_->fabric_vrf_name(),
agent_->router_id(),
remote_server_ip2,
false,
TunnelType::DefaultType()));
ComponentNHKeyPtr nh_data2(new ComponentNHKey(20,
agent_->fabric_vrf_name(),
agent_->router_id(),
remote_server_ip3,
false,
TunnelType::DefaultType()));
ComponentNHKeyList comp_nh_list;
//Insert new NH first and then existing route NH
comp_nh_list.push_back(nh_data1);
comp_nh_list.push_back(nh_data2);
SecurityGroupList sg_list;
EcmpTunnelRouteAdd(NULL, "vrf2", remote_vm_ip, 32,
comp_nh_list, -1, "vn2", sg_list, PathPreference());
client->WaitForIdle();
InetUnicastRouteEntry *rt = RouteGet("vrf2", remote_vm_ip, 32);
EXPECT_TRUE(rt != NULL);
const NextHop *nh = rt->GetActiveNextHop();
EXPECT_TRUE(nh->GetType() == NextHop::COMPOSITE);
const CompositeNH *comp_nh = static_cast<const CompositeNH *>(nh);
EXPECT_TRUE(comp_nh->ComponentNHCount() == 2);
//Verify all the component NH have right label and nexthop
ComponentNHList::const_iterator component_nh_it =
comp_nh->begin();
const TunnelNH *tun_nh1 = static_cast<const TunnelNH *>
((*component_nh_it)->nh());
EXPECT_TRUE(*tun_nh1->GetDip() == remote_server_ip2);
EXPECT_TRUE((*component_nh_it)->label() == 30);
component_nh_it++;
tun_nh1 = static_cast<const TunnelNH *>((*component_nh_it)->nh());
EXPECT_TRUE(*tun_nh1->GetDip() == remote_server_ip3);
EXPECT_TRUE((*component_nh_it)->label() == 20);
agent_->fabric_inet4_unicast_table()->DeleteReq(NULL, "vrf2",
remote_vm_ip, 32, NULL);
DelVrf("vrf2");
WAIT_FOR(100, 1000, (VrfFind("vrf2") == false));
client->WaitForIdle();