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test_aap.cc
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test_aap.cc
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/*
* Copyright (c) 2013 Juniper Networks, Inc. All rights reserved.
*/
#include "base/os.h"
#include "testing/gunit.h"
#include <base/logging.h>
#include <io/event_manager.h>
#include <tbb/task.h>
#include <base/task.h>
#include <cmn/agent_cmn.h>
#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 "oper/interface_common.h"
#include "oper/nexthop.h"
#include "route/route.h"
#include "oper/vrf.h"
#include "oper/mpls.h"
#include "oper/vm.h"
#include "oper/vn.h"
#include "oper/path_preference.h"
#include "filter/acl.h"
#include "test_cmn_util.h"
#include "vr_types.h"
#include <controller/controller_export.h>
#include <ksync/ksync_sock_user.h>
#include <boost/assign/list_of.hpp>
using namespace boost::assign;
#define NULL_VRF ""
#define ZERO_IP "0.0.0.0"
#define ZERO_MAC "00:00:00:00:00:00"
MacAddress zero_mac;
void RouterIdDepInit(Agent *agent) {
}
struct PortInfo input[] = {
{"intf1", 1, "1.1.1.1", "00:00:00:01:01:01", 1, 1, "fd10::2"},
};
class TestAap : public ::testing::Test {
public:
TestAap() {
peer_ = CreateBgpPeer(Ip4Address(1), "BGP Peer 1");
}
~TestAap() {
DeleteBgpPeer(peer_);
}
void AddAap(std::string intf_name, int intf_id,
std::vector<Ip4Address> aap_list) {
std::ostringstream buf;
buf << "<virtual-machine-interface-allowed-address-pairs>";
std::vector<Ip4Address>::iterator it = aap_list.begin();
while (it != aap_list.end()) {
buf << "<allowed-address-pair>";
buf << "<ip>";
buf << "<ip-prefix>" << it->to_string()<<"</ip-prefix>";
buf << "<ip-prefix-len>"<< 32 << "</ip-prefix-len>";
buf << "</ip>";
buf << "<mac><mac-address>" << "00:00:00:00:00:00"
<< "</mac-address></mac>";
buf << "<flag>" << "act-stby" << "</flag>";
buf << "</allowed-address-pair>";
it++;
}
buf << "</virtual-machine-interface-allowed-address-pairs>";
char cbuf[10000];
strcpy(cbuf, buf.str().c_str());
AddNode("virtual-machine-interface", intf_name.c_str(),
intf_id, cbuf);
client->WaitForIdle();
}
void AddAap(std::string intf_name, int intf_id, Ip4Address ip,
const std::string &mac) {
std::ostringstream buf;
buf << "<virtual-machine-interface-allowed-address-pairs>";
buf << "<allowed-address-pair>";
buf << "<ip>";
buf << "<ip-prefix>" << ip.to_string() <<"</ip-prefix>";
buf << "<ip-prefix-len>"<< 32 << "</ip-prefix-len>";
buf << "</ip>";
buf << "<mac>" << mac << "</mac>";
buf << "<flag>" << "act-stby" << "</flag>";
buf << "</allowed-address-pair>";
buf << "</virtual-machine-interface-allowed-address-pairs>";
char cbuf[10000];
strcpy(cbuf, buf.str().c_str());
AddNode("virtual-machine-interface", intf_name.c_str(),
intf_id, cbuf);
client->WaitForIdle();
}
void AddEcmpAap(std::string intf_name, int intf_id, Ip4Address ip) {
std::ostringstream buf;
buf << "<virtual-machine-interface-allowed-address-pairs>";
buf << "<allowed-address-pair>";
buf << "<ip>";
buf << "<ip-prefix>" << ip.to_string() <<"</ip-prefix>";
buf << "<ip-prefix-len>"<< 32 << "</ip-prefix-len>";
buf << "</ip>";
buf << "<mac><mac-address>" << "00:00:00:00:00:00"
<< "</mac-address></mac>";
buf << "<address-mode>" << "active-active" << "</address-mode>";
buf << "</allowed-address-pair>";
buf << "</virtual-machine-interface-allowed-address-pairs>";
char cbuf[10000];
strcpy(cbuf, buf.str().c_str());
AddNode("virtual-machine-interface", intf_name.c_str(),
intf_id, cbuf);
client->WaitForIdle();
}
void AddVlan(std::string intf_name, int intf_id, uint32_t vlan) {
std::ostringstream buf;
buf << "<virtual-machine-interface-properties>";
buf << "<sub-interface-vlan-tag>";
buf << vlan;
buf << "</sub-interface-vlan-tag>";
buf << "</virtual-machine-interface-properties>";
char cbuf[10000];
strcpy(cbuf, buf.str().c_str());
AddNode("virtual-machine-interface", intf_name.c_str(),
intf_id, cbuf);
client->WaitForIdle();
}
virtual void SetUp() {
CreateVmportEnv(input, 1);
client->WaitForIdle();
EXPECT_TRUE(VmPortActive(1));
}
virtual void TearDown() {
DeleteVmportEnv(input, 1, true);
client->WaitForIdle();
EXPECT_FALSE(VmPortFindRetDel(1));
EXPECT_FALSE(VrfFind("vrf1", true));
client->WaitForIdle();
}
protected:
Peer *peer_;
};
//Add and delete allowed address pair route
TEST_F(TestAap, AddDel_1) {
Ip4Address ip = Ip4Address::from_string("10.10.10.10");
std::vector<Ip4Address> v;
v.push_back(ip);
AddAap("intf1", 1, v);
EXPECT_TRUE(RouteFind("vrf1", ip, 32));
v.clear();
AddAap("intf1", 1, v);
EXPECT_FALSE(RouteFind("vrf1", ip, 32));
}
TEST_F(TestAap, AddDel_2) {
Ip4Address ip = Ip4Address::from_string("10.10.10.10");
std::vector<Ip4Address> v;
v.push_back(ip);
AddAap("intf1", 1, v);
EXPECT_TRUE(RouteFind("vrf1", ip, 32));
DelLink("virtual-machine-interface-routing-instance", "intf1",
"routing-instance", "vrf1");
client->WaitForIdle();
EXPECT_FALSE(RouteFind("vrf1", ip, 32));
AddLink("virtual-machine-interface-routing-instance", "intf1",
"routing-instance", "vrf1");
client->WaitForIdle();
EXPECT_TRUE(RouteFind("vrf1", ip, 32));
}
TEST_F(TestAap, Update) {
Ip4Address ip1 = Ip4Address::from_string("10.10.10.10");
Ip4Address ip2 = Ip4Address::from_string("11.10.10.10");
std::vector<Ip4Address> v;
v.push_back(ip1);
AddAap("intf1", 1, v);
EXPECT_TRUE(RouteFind("vrf1", ip1, 32));
v.push_back(ip2);
AddAap("intf1", 1, v);
EXPECT_TRUE(RouteFind("vrf1", ip1, 32));
EXPECT_TRUE(RouteFind("vrf1", ip2, 32));
v.clear();
AddAap("intf1", 1, v);
EXPECT_FALSE(RouteFind("vrf1", ip1, 32));
EXPECT_FALSE(RouteFind("vrf1", ip2, 32));
}
//Check if subnet gateway for allowed address pait route gets set properly
TEST_F(TestAap, SubnetGw) {
Ip4Address ip1 = Ip4Address::from_string("10.10.10.10");
std::vector<Ip4Address> v;
v.push_back(ip1);
AddAap("intf1", 1, v);
EXPECT_TRUE(RouteFind("vrf1", ip1, 32));
IpamInfo ipam_info[] = {
{"10.10.10.0", 24, "10.10.10.200", true},
};
AddIPAM("vn1", ipam_info, 1, NULL, "vdns1");
client->WaitForIdle();
Ip4Address subnet_service_ip = Ip4Address::from_string("10.10.10.200");
InetUnicastRouteEntry *rt = RouteGet("vrf1", ip1, 32);
EXPECT_TRUE(rt->GetActivePath()->subnet_service_ip() == subnet_service_ip);
DelIPAM("vn1", "vdns1");
client->WaitForIdle();
}
//Check if subnet gateway for allowed address pait route gets set properly
TEST_F(TestAap, EvpnRoute) {
Ip4Address ip = Ip4Address::from_string("10.10.10.10");
MacAddress mac("0a:0b:0c:0d:0e:0f");
VmInterface *vm_intf = static_cast<VmInterface *>(VmPortGet(1));
AddAap("intf1", 1, ip, mac.ToString());
EXPECT_TRUE(RouteFind("vrf1", ip, 32));
EXPECT_TRUE(EvpnRouteGet("vrf1", mac, ip, 0));
EXPECT_TRUE(vm_intf->allowed_address_pair_list().list_.size() == 1);
AddAap("intf1", 1, Ip4Address(0), zero_mac.ToString());
EXPECT_FALSE(RouteFind("vrf1", ip, 32));
EXPECT_FALSE(EvpnRouteGet("vrf1", mac, ip, 0));
EXPECT_TRUE(vm_intf->allowed_address_pair_list().list_.size() == 0);
}
//Check if subnet gateway for allowed address pair route gets set properly
TEST_F(TestAap, EvpnRoute_1) {
Ip4Address ip = Ip4Address::from_string("10.10.10.10");
MacAddress mac("0a:0b:0c:0d:0e:0f");
VmInterface *vm_intf = static_cast<VmInterface *>(VmPortGet(1));
AddAap("intf1", 1, ip, mac.ToString());
EXPECT_TRUE(RouteFind("vrf1", ip, 32));
EXPECT_TRUE(EvpnRouteGet("vrf1", mac, ip, 0));
EXPECT_TRUE(vm_intf->allowed_address_pair_list().list_.size() == 1);
//Make VN as layer2 only
AddL2Vn("vn1", 1);
client->WaitForIdle();
EXPECT_FALSE(RouteFind("vrf1", ip, 32));
EXPECT_FALSE(EvpnRouteGet("vrf1", mac, ip, 0));
EXPECT_FALSE(EvpnRouteGet("vrf1", mac, Ip4Address(0), 0));
EXPECT_TRUE(vm_intf->allowed_address_pair_list().list_.size() == 1);
AddAap("intf1", 1, Ip4Address(0), zero_mac.ToString());
EXPECT_TRUE(vm_intf->allowed_address_pair_list().list_.size() == 0);
}
TEST_F(TestAap, EvpnRoute_with_mac_change) {
Ip4Address ip = Ip4Address::from_string("10.10.10.10");
MacAddress mac("0a:0b:0c:0d:0e:0f");
MacAddress mac1("0a:0b:0c:0d:0e:0e");
VmInterface *vm_intf = static_cast<VmInterface *>(VmPortGet(1));
AddAap("intf1", 1, ip, mac.ToString());
EXPECT_TRUE(RouteFind("vrf1", ip, 32));
EXPECT_TRUE(EvpnRouteGet("vrf1", mac, ip, 0));
EXPECT_TRUE(vm_intf->allowed_address_pair_list().list_.size() == 1);
AddAap("intf1", 1, ip, mac1.ToString());
EXPECT_TRUE(RouteFind("vrf1", ip, 32));
EXPECT_FALSE(EvpnRouteGet("vrf1", mac, ip, 0));
EXPECT_TRUE(EvpnRouteGet("vrf1", mac1, ip, 0));
}
#if 0
TEST_F(TestAap, EvpnRoute_3) {
struct PortInfo input[] = {
{"vnetOnIntf1", 2, "2.1.1.1", "00:00:00:02:01:01", 1, 1},
};
CreateVmportEnv(input, 1);
client->WaitForIdle();
AddVlan("vnetOnIntf1", 2, 1);
AddLink("virtual-machine-interface", "intf1",
"virtual-machine-interface", "vnetOnIntf1");
client->WaitForIdle();
Ip4Address ip = Ip4Address::from_string("2.1.1.1");
MacAddress mac("00:00:00:02:01:01");
VmInterface *vm_intf = static_cast<VmInterface *>(VmPortGet(2));
EXPECT_TRUE(RouteFind("vrf1", ip, 32));
EXPECT_TRUE(EvpnRouteGet("vrf1", mac, ip, 1));
//Enqueue traffic seen on vlan tag 0, and ensure path
//preference doesnt get increased since vmi is sitting on
//vlan tag 1
EvpnRouteEntry *rt = EvpnRouteGet("vrf1", mac, ip, 0);
const AgentPath *path = rt->FindPath(vm_intf->peer());
Agent::GetInstance()->oper_db()->route_preference_module()->
EnqueueTrafficSeen(ip, 32, vm_intf->id(), vm_intf->vrf()->vrf_id(),
mac);
client->WaitForIdle();
EXPECT_TRUE(path->path_preference().sequence() == 0);
EXPECT_TRUE(path->path_preference().preference() == PathPreference::LOW);
EXPECT_TRUE(path->path_preference().ecmp() == false);
EXPECT_TRUE(path->path_preference().wait_for_traffic() == true);
Agent::GetInstance()->oper_db()->route_preference_module()->
EnqueueTrafficSeen(ip, 32, vm_intf->id(), vm_intf->vrf()->vrf_id(),
mac);
client->WaitForIdle();
EXPECT_TRUE(path->path_preference().sequence() == 1);
EXPECT_TRUE(path->path_preference().preference() == PathPreference::HIGH);
EXPECT_TRUE(path->path_preference().ecmp() == false);
EXPECT_TRUE(path->path_preference().wait_for_traffic() == false);
}
#endif
//Just add a local path, verify that sequence no gets initialized to 0
TEST_F(TestAap, StateMachine_1) {
Ip4Address ip = Ip4Address::from_string("1.1.1.1");
EXPECT_TRUE(RouteFind("vrf1", ip, 32));
InetUnicastRouteEntry *rt =
RouteGet("vrf1", ip, 32);
const AgentPath *path = rt->GetActivePath();
EXPECT_TRUE(path->path_preference().sequence() == 0);
EXPECT_TRUE(path->path_preference().preference() == PathPreference::LOW);
EXPECT_TRUE(path->path_preference().ecmp() == false);
EXPECT_TRUE(path->path_preference().wait_for_traffic() == true);
}
//Add a remote path with same preference and verify that local path
//moves to wait for traffic state
TEST_F(TestAap, StateMachine_2) {
Ip4Address ip = Ip4Address::from_string("1.1.1.1");
Ip4Address server_ip = Ip4Address::from_string("10.1.1.3");
PathPreference path_preference(1, PathPreference::LOW, false, false);
TunnelType::TypeBmap bmap = (1 << TunnelType::MPLS_GRE);
Inet4TunnelRouteAdd(peer_, "vrf1", ip, 32, server_ip, bmap,
16, "vn1", SecurityGroupList(), path_preference);
client->WaitForIdle();
VmInterface *vm_intf = VmInterfaceGet(1);
InetUnicastRouteEntry *rt =
RouteGet("vrf1", ip, 32);
const AgentPath *path = rt->FindPath(vm_intf->peer());
EXPECT_TRUE(path->path_preference().sequence() == 0);
EXPECT_TRUE(path->path_preference().preference() == PathPreference::LOW);
EXPECT_TRUE(path->path_preference().ecmp() == false);
EXPECT_TRUE(path->path_preference().wait_for_traffic() == true);
}
//Add a remote path with same preference and verify that local path
//moves to wait for traffic state
TEST_F(TestAap, StateMachine_3) {
Ip4Address ip = Ip4Address::from_string("1.1.1.1");
Ip4Address server_ip = Ip4Address::from_string("10.1.1.3");
PathPreference path_preference(1, PathPreference::LOW, false, false);
TunnelType::TypeBmap bmap = (1 << TunnelType::MPLS_GRE);
Inet4TunnelRouteAdd(peer_, "vrf1", ip, 32, server_ip, bmap,
16, "vn1", SecurityGroupList(), path_preference);
client->WaitForIdle();
VmInterface *vm_intf = VmInterfaceGet(1);
InetUnicastRouteEntry *rt =
RouteGet("vrf1", ip, 32);
EvpnRouteEntry *evpn_rt = EvpnRouteGet("vrf1",
MacAddress::FromString(vm_intf->vm_mac()), ip, 0);
const AgentPath *path = rt->FindPath(vm_intf->peer());
EXPECT_TRUE(path->path_preference().sequence() == 0);
EXPECT_TRUE(path->path_preference().preference() == PathPreference::LOW);
EXPECT_TRUE(path->path_preference().ecmp() == false);
EXPECT_TRUE(path->path_preference().wait_for_traffic() == true);
Agent::GetInstance()->oper_db()->route_preference_module()->
EnqueueTrafficSeen(ip, 32, vm_intf->id(), vm_intf->vrf()->vrf_id(),
MacAddress::FromString(vm_intf->vm_mac()));
client->WaitForIdle();
EXPECT_TRUE(path->path_preference().sequence() == 2);
EXPECT_TRUE(path->path_preference().preference() == PathPreference::HIGH);
EXPECT_TRUE(path->path_preference().ecmp() == false);
EXPECT_TRUE(path->path_preference().wait_for_traffic() == false);
path = evpn_rt->FindPath(vm_intf->peer());
EXPECT_TRUE(path->path_preference().sequence() == 1);
EXPECT_TRUE(path->path_preference().preference() == PathPreference::HIGH);
EXPECT_TRUE(path->path_preference().ecmp() == false);
EXPECT_TRUE(path->path_preference().wait_for_traffic() == false);
evpn_rt = EvpnRouteGet("vrf1",
MacAddress::FromString(vm_intf->vm_mac()),
Ip4Address(0), 0);
path = rt->FindPath(vm_intf->peer());
path = evpn_rt->FindPath(vm_intf->peer());
EXPECT_TRUE(path->path_preference().sequence() == 1);
EXPECT_TRUE(path->path_preference().preference() == PathPreference::HIGH);
EXPECT_TRUE(path->path_preference().ecmp() == false);
EXPECT_TRUE(path->path_preference().wait_for_traffic() == false);
}
//Verify that dependent static route gets high preference,
//when interface native IP sees traffic
TEST_F(TestAap, StateMachine_4) {
Ip4Address ip = Ip4Address::from_string("1.1.1.1");
//Add a static route
struct TestIp4Prefix static_route[] = {
{ Ip4Address::from_string("24.1.1.0"), 24},
{ Ip4Address::from_string("16.1.1.0"), 16},
};
AddInterfaceRouteTable("static_route", 1, static_route, 2);
AddLink("virtual-machine-interface", "intf1",
"interface-route-table", "static_route");
Ip4Address sip = Ip4Address::from_string("24.1.1.0");
client->WaitForIdle();
VmInterface *vm_intf = VmInterfaceGet(1);
InetUnicastRouteEntry *rt =
RouteGet("vrf1", sip, 24);
const AgentPath *path = rt->FindPath(vm_intf->peer());
EXPECT_TRUE(path->path_preference().sequence() == 0);
EXPECT_TRUE(path->path_preference().preference() == PathPreference::LOW);
EXPECT_TRUE(path->path_preference().ecmp() == false);
EXPECT_TRUE(path->path_preference().wait_for_traffic() == true);
Agent::GetInstance()->oper_db()->route_preference_module()->
EnqueueTrafficSeen(ip, 32, vm_intf->id(), vm_intf->vrf()->vrf_id(),
MacAddress::FromString(vm_intf->vm_mac()));
client->WaitForIdle();
EXPECT_TRUE(path->path_preference().sequence() == 0);
EXPECT_TRUE(path->path_preference().preference() == PathPreference::HIGH);
EXPECT_TRUE(path->path_preference().ecmp() == false);
EXPECT_TRUE(path->path_preference().wait_for_traffic() == false);
}
//Upon transition of instance IP address from active-backup to active-active
//Verify that path preference becomes high when interface is in active-active
//mode
TEST_F(TestAap, StateMachine_5) {
Ip4Address ip = Ip4Address::from_string("1.1.1.1");
AddActiveActiveInstanceIp("instance1", 1, "1.1.1.1");
client->WaitForIdle();
VmInterface *vm_intf = VmInterfaceGet(1);
InetUnicastRouteEntry *rt =
RouteGet("vrf1", ip, 32);
const AgentPath *path = rt->FindPath(vm_intf->peer());
EXPECT_TRUE(path->path_preference().sequence() == 0);
EXPECT_TRUE(path->path_preference().preference() == PathPreference::HIGH);
EXPECT_TRUE(path->path_preference().ecmp() == true);
EXPECT_TRUE(path->path_preference().wait_for_traffic() == false);
Agent::GetInstance()->oper_db()->route_preference_module()->
EnqueueTrafficSeen(ip, 32, vm_intf->id(), vm_intf->vrf()->vrf_id(),
MacAddress::FromString(vm_intf->vm_mac()));
client->WaitForIdle();
EXPECT_TRUE(path->path_preference().sequence() == 0);
EXPECT_TRUE(path->path_preference().preference() == PathPreference::HIGH);
EXPECT_TRUE(path->path_preference().ecmp() == true);
EXPECT_TRUE(path->path_preference().wait_for_traffic() == false);
}
//Upon transition of instance IP address from active-backup to active-active
//Verify that path preference of dependent static router, becomes high
//when interface is in active-active mode
TEST_F(TestAap, StateMachine_6) {
//Add a static route
struct TestIp4Prefix static_route[] = {
{ Ip4Address::from_string("24.1.1.0"), 24},
{ Ip4Address::from_string("16.1.1.0"), 16},
};
AddInterfaceRouteTable("static_route", 1, static_route, 2);
AddLink("virtual-machine-interface", "intf1",
"interface-route-table", "static_route");
Ip4Address sip = Ip4Address::from_string("24.1.1.0");
client->WaitForIdle();
VmInterface *vm_intf = VmInterfaceGet(1);
InetUnicastRouteEntry *rt =
RouteGet("vrf1", sip, 24);
const AgentPath *path = rt->FindPath(vm_intf->peer());
EXPECT_TRUE(path->path_preference().sequence() == 0);
EXPECT_TRUE(path->path_preference().preference() == PathPreference::LOW);
EXPECT_TRUE(path->path_preference().ecmp() == false);
EXPECT_TRUE(path->path_preference().wait_for_traffic() == true);
AddActiveActiveInstanceIp("instance1", 1, "1.1.1.1");
client->WaitForIdle();
EXPECT_TRUE(path->path_preference().sequence() == 0);
EXPECT_TRUE(path->path_preference().preference() == PathPreference::HIGH);
EXPECT_TRUE(path->path_preference().ecmp() == true);
EXPECT_TRUE(path->path_preference().wait_for_traffic() == false);
AddInstanceIp("instance1", 1, "1.1.1.1");
client->WaitForIdle();
EXPECT_TRUE(path->path_preference().sequence() == 0);
EXPECT_TRUE(path->path_preference().preference() == PathPreference::LOW);
EXPECT_TRUE(path->path_preference().ecmp() == false);
EXPECT_TRUE(path->path_preference().wait_for_traffic() == true);
}
//Verify that a static route subnet route gets activated, when one of the
//ip in the subnet gets traffic
TEST_F(TestAap, StateMachine_7) {
Ip4Address ip = Ip4Address::from_string("24.1.1.1");
//Add a static route
struct TestIp4Prefix static_route[] = {
{ Ip4Address::from_string("24.1.1.0"), 24},
{ Ip4Address::from_string("16.1.1.0"), 16},
};
AddInterfaceRouteTable("static_route", 1, static_route, 2);
AddLink("virtual-machine-interface", "intf1",
"interface-route-table", "static_route");
Ip4Address sip = Ip4Address::from_string("24.1.1.0");
client->WaitForIdle();
VmInterface *vm_intf = VmInterfaceGet(1);
InetUnicastRouteEntry *rt =
RouteGet("vrf1", sip, 24);
const AgentPath *path = rt->FindPath(vm_intf->peer());
EXPECT_TRUE(path->path_preference().sequence() == 0);
EXPECT_TRUE(path->path_preference().preference() == PathPreference::LOW);
EXPECT_TRUE(path->path_preference().ecmp() == false);
EXPECT_TRUE(path->path_preference().wait_for_traffic() == true);
Agent::GetInstance()->oper_db()->route_preference_module()->
EnqueueTrafficSeen(ip, 32, vm_intf->id(), vm_intf->vrf()->vrf_id(),
MacAddress::FromString(vm_intf->vm_mac()));
client->WaitForIdle();
EXPECT_TRUE(path->path_preference().sequence() == 0);
EXPECT_TRUE(path->path_preference().preference() == PathPreference::LOW);
EXPECT_TRUE(path->path_preference().ecmp() == false);
EXPECT_TRUE(path->path_preference().wait_for_traffic() == true);
Ip4Address native_ip = Ip4Address::from_string("1.1.1.1");
Agent::GetInstance()->oper_db()->route_preference_module()->
EnqueueTrafficSeen(native_ip, 32, vm_intf->id(),
vm_intf->vrf()->vrf_id(),
MacAddress::FromString(vm_intf->vm_mac()));
client->WaitForIdle();
EXPECT_TRUE(path->path_preference().sequence() == 0);
EXPECT_TRUE(path->path_preference().preference() == PathPreference::HIGH);
EXPECT_TRUE(path->path_preference().ecmp() == false);
EXPECT_TRUE(path->path_preference().wait_for_traffic() == false);
rt = RouteGet("vrf1", native_ip, 32);
path = rt->FindPath(vm_intf->peer());
EXPECT_TRUE(path->path_preference().sequence() == 1);
EXPECT_TRUE(path->path_preference().preference() == PathPreference::HIGH);
EXPECT_TRUE(path->path_preference().ecmp() == false);
EXPECT_TRUE(path->path_preference().wait_for_traffic() == false);
}
//Create a interface with IP address 24.1.1.1(intf2)
//Fake traffic for that ip from intf1(static route 24.1.1.0/24)
//and verify that 24.1.1. doesnt get activated
TEST_F(TestAap, StateMachine_8) {
struct PortInfo input1[] = {
{"intf2", 2, "24.1.1.1", "00:00:00:01:01:01", 1, 2},
};
CreateVmportEnv(input1, 1);
client->WaitForIdle();
Ip4Address ip = Ip4Address::from_string("24.1.1.1");
//Add a static route
struct TestIp4Prefix static_route[] = {
{ Ip4Address::from_string("24.1.1.0"), 24},
{ Ip4Address::from_string("16.1.1.0"), 16},
};
AddInterfaceRouteTable("static_route", 1, static_route, 2);
AddLink("virtual-machine-interface", "intf1",
"interface-route-table", "static_route");
Ip4Address sip = Ip4Address::from_string("24.1.1.0");
client->WaitForIdle();
VmInterface *vm_intf = VmInterfaceGet(1);
InetUnicastRouteEntry *rt =
RouteGet("vrf1", sip, 24);
const AgentPath *path = rt->FindPath(vm_intf->peer());
EXPECT_TRUE(path->path_preference().sequence() == 0);
EXPECT_TRUE(path->path_preference().preference() == PathPreference::LOW);
EXPECT_TRUE(path->path_preference().ecmp() == false);
EXPECT_TRUE(path->path_preference().wait_for_traffic() == true);
//Fake traffic on intf1 for 24.1.1.1
Agent::GetInstance()->oper_db()->route_preference_module()->
EnqueueTrafficSeen(ip, 32, vm_intf->id(), vm_intf->vrf()->vrf_id(),
MacAddress::FromString(vm_intf->vm_mac()));
client->WaitForIdle();
EXPECT_TRUE(path->path_preference().sequence() == 0);
EXPECT_TRUE(path->path_preference().preference() == PathPreference::LOW);
EXPECT_TRUE(path->path_preference().ecmp() == false);
EXPECT_TRUE(path->path_preference().wait_for_traffic() == true);
DeleteVmportEnv(input1, 1, false);
client->WaitForIdle();
}
//Verify that dependent service route gets high preference,
//when interface native IP sees traffic
TEST_F(TestAap, StateMachine_9) {
Ip4Address ip = Ip4Address::from_string("1.1.1.1");
AddVmPortVrf("ser1", "11.1.1.253", 1);
AddLink("virtual-machine-interface-routing-instance", "ser1",
"routing-instance", "vrf1");
AddLink("virtual-machine-interface-routing-instance", "ser1",
"virtual-machine-interface", "intf1");
client->WaitForIdle();
Ip4Address service_vlan_rt = Ip4Address::from_string("11.1.1.253");
VmInterface *vm_intf = VmInterfaceGet(1);
InetUnicastRouteEntry *rt =
RouteGet("vrf1", service_vlan_rt, 32);
const AgentPath *path = rt->FindPath(vm_intf->peer());
EXPECT_TRUE(path->path_preference().sequence() == 0);
EXPECT_TRUE(path->path_preference().preference() == PathPreference::LOW);
EXPECT_TRUE(path->path_preference().ecmp() == false);
EXPECT_TRUE(path->path_preference().wait_for_traffic() == true);
Agent::GetInstance()->oper_db()->route_preference_module()->
EnqueueTrafficSeen(ip, 32, vm_intf->id(), vm_intf->vrf()->vrf_id(),
MacAddress::FromString(vm_intf->vm_mac()));
client->WaitForIdle();
EXPECT_TRUE(path->path_preference().sequence() == 0);
EXPECT_TRUE(path->path_preference().preference() == PathPreference::HIGH);
EXPECT_TRUE(path->path_preference().ecmp() == false);
EXPECT_TRUE(path->path_preference().wait_for_traffic() == false);
Ip4Address server_ip = Ip4Address::from_string("10.1.1.1");
TunnelType::TypeBmap bmap = (1 << TunnelType::MPLS_GRE);
PathPreference path_preference(100, PathPreference::HIGH, false, false);
Inet4TunnelRouteAdd(peer_, "vrf1", ip, 32, server_ip, bmap,
16, "vn1", SecurityGroupList(), path_preference);
client->WaitForIdle();
EXPECT_TRUE(path->path_preference().sequence() == 0);
EXPECT_TRUE(path->path_preference().preference() == PathPreference::LOW);
}
//Verify that static preference is populated
TEST_F(TestAap, StateMachine_10) {
AddStaticPreference("intf1", 1, 200);
Ip4Address ip = Ip4Address::from_string("1.1.1.1");
EXPECT_TRUE(RouteFind("vrf1", ip, 32));
InetUnicastRouteEntry *rt =
RouteGet("vrf1", ip, 32);
const AgentPath *path = rt->GetActivePath();
EXPECT_TRUE(path->path_preference().sequence() == 0);
EXPECT_TRUE(path->path_preference().preference() == PathPreference::HIGH);
EXPECT_TRUE(path->path_preference().ecmp() == false);
EXPECT_TRUE(path->path_preference().wait_for_traffic() == true);
EXPECT_TRUE(path->path_preference().static_preference() == true);
}
//Verify that preference value change is reflected with
//static preference change
TEST_F(TestAap, StaticMachine_11) {
AddStaticPreference("intf1", 1, 100);
Ip4Address ip = Ip4Address::from_string("1.1.1.1");
EXPECT_TRUE(RouteFind("vrf1", ip, 32));
InetUnicastRouteEntry *rt =
RouteGet("vrf1", ip, 32);
const AgentPath *path = rt->GetActivePath();
EXPECT_TRUE(path->path_preference().sequence() == 0);
EXPECT_TRUE(path->path_preference().preference() == PathPreference::LOW);
EXPECT_TRUE(path->path_preference().ecmp() == false);
EXPECT_TRUE(path->path_preference().wait_for_traffic() == true);
EXPECT_TRUE(path->path_preference().static_preference() == true);
AddStaticPreference("intf1", 1, 200);
EXPECT_TRUE(path->path_preference().sequence() == 0);
EXPECT_TRUE(path->path_preference().preference() == PathPreference::HIGH);
EXPECT_TRUE(path->path_preference().ecmp() == false);
EXPECT_TRUE(path->path_preference().wait_for_traffic() == true);
EXPECT_TRUE(path->path_preference().static_preference() == true);
AddStaticPreference("intf1", 1, 100);
EXPECT_TRUE(path->path_preference().preference() == PathPreference::LOW);
//Delete static interface property
AddNode("virtual-machine-interface", "intf1",
1, "");
client->WaitForIdle();
EXPECT_TRUE(path->path_preference().static_preference() == false);
}
//Verify that static preference is not populated
//when preference value is set to 0
TEST_F(TestAap, StateMachine_12) {
AddStaticPreference("intf1", 1, 0);
Ip4Address ip = Ip4Address::from_string("1.1.1.1");
EXPECT_TRUE(RouteFind("vrf1", ip, 32));
InetUnicastRouteEntry *rt =
RouteGet("vrf1", ip, 32);
const AgentPath *path = rt->GetActivePath();
EXPECT_TRUE(path->path_preference().sequence() == 0);
EXPECT_TRUE(path->path_preference().preference() == PathPreference::LOW);
EXPECT_TRUE(path->path_preference().ecmp() == false);
EXPECT_TRUE(path->path_preference().wait_for_traffic() == true);
EXPECT_TRUE(path->path_preference().static_preference() == false);
}
//Check that agent retries to push the entry, if BGP doesnt update
//with last nexthop
TEST_F(TestAap, StateMachine_13) {
Ip4Address ip = Ip4Address::from_string("1.1.1.1");
Ip4Address server_ip = Ip4Address::from_string("10.1.1.3");
VmInterface *vm_intf = VmInterfaceGet(1);
uint32_t seq_no = 1;
InetUnicastRouteEntry *rt =
RouteGet("vrf1", ip, 32);
const AgentPath *path = rt->FindPath(vm_intf->peer());
for (uint32_t i = 0; i <= PathPreferenceSM::kMaxFlapCount; i++) {
Agent::GetInstance()->oper_db()->route_preference_module()->
EnqueueTrafficSeen(ip, 32, vm_intf->id(), vm_intf->vrf()->vrf_id(),
MacAddress::FromString(vm_intf->vm_mac()));
client->WaitForIdle();
const AgentPath *path = rt->FindPath(vm_intf->peer());
EXPECT_TRUE(path->path_preference().sequence() == seq_no++);
EXPECT_TRUE(path->path_preference().preference() == PathPreference::HIGH);
EXPECT_TRUE(path->path_preference().ecmp() == false);
EXPECT_TRUE(path->path_preference().wait_for_traffic() == false);
TunnelType::TypeBmap bmap = (1 << TunnelType::MPLS_GRE);
PathPreference path_preference(seq_no++, PathPreference::HIGH, false, false);
Inet4TunnelRouteAdd(peer_, "vrf1", ip, 32, server_ip, bmap,
16, "vn1", SecurityGroupList(), path_preference);
client->WaitForIdle();
if (i != PathPreferenceSM::kMaxFlapCount) {
EXPECT_TRUE(path->path_preference().preference() ==
PathPreference::LOW);
EXPECT_TRUE(path->path_preference().ecmp() == false);
EXPECT_TRUE(path->path_preference().wait_for_traffic() == true);
}
}
usleep(2 * 1000 * (PathPreferenceSM :: kMinInterval));
//Check that agent withdraws its route after 100ms
//since BGP path, didnt reflect local agent nexthop
WAIT_FOR(1000, 1000, (path->path_preference().wait_for_traffic() == true));
client->WaitForIdle();
}
TEST_F(TestAap, StateMachine_14) {
Ip4Address ip = Ip4Address::from_string("1.1.1.1");
Ip4Address server_ip = Ip4Address::from_string("10.1.1.3");
VmInterface *vm_intf = VmInterfaceGet(1);
InetUnicastRouteEntry *rt =
RouteGet("vrf1", ip, 32);
const AgentPath *path = rt->FindPath(vm_intf->peer());
uint32_t seq_no = 1;
for (uint32_t i = 0 ; i <= PathPreferenceSM::kMaxFlapCount; i++) {
Agent::GetInstance()->oper_db()->route_preference_module()->
EnqueueTrafficSeen(ip, 32, vm_intf->id(), vm_intf->vrf()->vrf_id(),
MacAddress::FromString(vm_intf->vm_mac()));
client->WaitForIdle();
EXPECT_TRUE(path->path_preference().sequence() == seq_no++);
EXPECT_TRUE(path->path_preference().preference() == PathPreference::HIGH);
EXPECT_TRUE(path->path_preference().ecmp() == false);
EXPECT_TRUE(path->path_preference().wait_for_traffic() == false);
TunnelType::TypeBmap bmap = (1 << TunnelType::MPLS_GRE);
PathPreference path_preference(seq_no++, PathPreference::HIGH, false, false);
Inet4TunnelRouteAdd(peer_, "vrf1", ip, 32, server_ip, bmap,
16, "vn1", SecurityGroupList(), path_preference);
client->WaitForIdle();
if (i != PathPreferenceSM::kMaxFlapCount) {
EXPECT_TRUE(path->path_preference().preference() ==
PathPreference::LOW);
EXPECT_TRUE(path->path_preference().ecmp() == false);
EXPECT_TRUE(path->path_preference().wait_for_traffic() == true);
}
}
EXPECT_TRUE(path->path_preference().preference() == PathPreference::HIGH);
usleep(2 * 1000 * (PathPreferenceSM::kMinInterval));
//Check that agent withdraws its route after 100ms
//since BGP path, didnt reflect local agent nexthop
WAIT_FOR(1000, 1000, (path->path_preference().wait_for_traffic() == true));
for (uint32_t i = 0; i <= PathPreferenceSM::kMaxFlapCount - 1; i++) {
Agent::GetInstance()->oper_db()->route_preference_module()->
EnqueueTrafficSeen(ip, 32, vm_intf->id(), vm_intf->vrf()->vrf_id(),
MacAddress::FromString(vm_intf->vm_mac()));
client->WaitForIdle();
EXPECT_TRUE(path->path_preference().sequence() == seq_no++);
EXPECT_TRUE(path->path_preference().preference() == PathPreference::HIGH);
EXPECT_TRUE(path->path_preference().ecmp() == false);
EXPECT_TRUE(path->path_preference().wait_for_traffic() == false);
TunnelType::TypeBmap bmap = (1 << TunnelType::MPLS_GRE);
PathPreference path_preference(seq_no++, PathPreference::HIGH, false, false);
Inet4TunnelRouteAdd(peer_, "vrf1", ip, 32, server_ip, bmap,
16, "vn1", SecurityGroupList(), path_preference);
client->WaitForIdle();
if (i != PathPreferenceSM::kMaxFlapCount - 1) {
EXPECT_TRUE(path->path_preference().preference() == PathPreference::LOW);
EXPECT_TRUE(path->path_preference().ecmp() == false);
EXPECT_TRUE(path->path_preference().wait_for_traffic() == true);
}
}
//Timeout increases to 20 sec
usleep(2 * 1000 * (PathPreferenceSM::kMinInterval));
//Check that agent withdraws its route after 100ms
//since BGP path, didnt reflect local agent nexthop
WAIT_FOR(1000, 1000, (path->path_preference().wait_for_traffic() == false));
usleep(2 * 1000 * (PathPreferenceSM::kMinInterval));
WAIT_FOR(1000, 1000, (path->path_preference().wait_for_traffic() == true));
client->WaitForIdle();
}
//Check that if route flap stops, timeout decreases
TEST_F(TestAap, StateMachine_15) {
Ip4Address ip = Ip4Address::from_string("1.1.1.1");
Ip4Address server_ip = Ip4Address::from_string("10.1.1.3");
VmInterface *vm_intf = VmInterfaceGet(1);
InetUnicastRouteEntry *rt =
RouteGet("vrf1", ip, 32);
const AgentPath *path = rt->FindPath(vm_intf->peer());
uint32_t seq_no = 1;
for (uint32_t i = 0 ; i <= PathPreferenceSM::kMaxFlapCount; i++) {
Agent::GetInstance()->oper_db()->route_preference_module()->
EnqueueTrafficSeen(ip, 32, vm_intf->id(), vm_intf->vrf()->vrf_id(),
MacAddress::FromString(vm_intf->vm_mac()));
client->WaitForIdle();
EXPECT_TRUE(path->path_preference().sequence() == seq_no++);
EXPECT_TRUE(path->path_preference().preference() == PathPreference::HIGH);
EXPECT_TRUE(path->path_preference().ecmp() == false);
EXPECT_TRUE(path->path_preference().wait_for_traffic() == false);
TunnelType::TypeBmap bmap = (1 << TunnelType::MPLS_GRE);
PathPreference path_preference(seq_no++, PathPreference::HIGH, false, false);
Inet4TunnelRouteAdd(peer_, "vrf1", ip, 32, server_ip, bmap,
16, "vn1", SecurityGroupList(), path_preference);
client->WaitForIdle();
if (i != PathPreferenceSM::kMaxFlapCount) {
EXPECT_TRUE(path->path_preference().preference() ==
PathPreference::LOW);
EXPECT_TRUE(path->path_preference().ecmp() == false);
EXPECT_TRUE(path->path_preference().wait_for_traffic() == true);
}
}
//Sleep for 40 seconds so that route flap stops
usleep(4 * 1000 * (PathPreferenceSM::kMinInterval));
WAIT_FOR(1000, 1000, (path->path_preference().wait_for_traffic() == true));
client->WaitForIdle();
for (uint32_t i = 0; i <= PathPreferenceSM::kMaxFlapCount; i++) {
Agent::GetInstance()->oper_db()->route_preference_module()->
EnqueueTrafficSeen(ip, 32, vm_intf->id(), vm_intf->vrf()->vrf_id(),
MacAddress::FromString(vm_intf->vm_mac()));
client->WaitForIdle();
EXPECT_TRUE(path->path_preference().sequence() == seq_no++);
EXPECT_TRUE(path->path_preference().preference() == PathPreference::HIGH);
EXPECT_TRUE(path->path_preference().ecmp() == false);
EXPECT_TRUE(path->path_preference().wait_for_traffic() == false);
TunnelType::TypeBmap bmap = (1 << TunnelType::MPLS_GRE);
PathPreference path_preference(seq_no++, PathPreference::HIGH, false, false);
Inet4TunnelRouteAdd(peer_, "vrf1", ip, 32, server_ip, bmap,
16, "vn1", SecurityGroupList(), path_preference);
client->WaitForIdle();
if (i < PathPreferenceSM::kMaxFlapCount) {
EXPECT_TRUE(path->path_preference().preference() ==
PathPreference::LOW);
EXPECT_TRUE(path->path_preference().ecmp() == false);
EXPECT_TRUE(path->path_preference().wait_for_traffic() == true);
}
}
EXPECT_TRUE(path->path_preference().wait_for_traffic() == false);
//Timeout increases to 20 sec
usleep(2 * 1000 * (PathPreferenceSM::kMinInterval));
//Check that agent withdraws its route after 100ms
//since BGP path, didnt reflect local agent nexthop
WAIT_FOR(1000, 1000, (path->path_preference().wait_for_traffic() == true));
}
TEST_F(TestAap, StateMachine_16) {
Ip4Address aap_ip = Ip4Address::from_string("10.10.10.10");
AddEcmpAap("intf1", 1, aap_ip);
EXPECT_TRUE(RouteFind("vrf1", aap_ip, 32));
VmInterface *vm_intf = VmInterfaceGet(1);
Ip4Address ip = Ip4Address::from_string("1.1.1.1");
InetUnicastRouteEntry *rt = RouteGet("vrf1", aap_ip, 32);
const AgentPath *path = rt->FindPath(vm_intf->peer());
EXPECT_TRUE(path->path_preference().sequence() == 0);
EXPECT_TRUE(path->path_preference().preference() == PathPreference::LOW);
EXPECT_TRUE(path->path_preference().ecmp() == true);
EXPECT_TRUE(path->path_preference().wait_for_traffic() == true);
Agent::GetInstance()->oper_db()->route_preference_module()->
EnqueueTrafficSeen(ip, 32, vm_intf->id(), vm_intf->vrf()->vrf_id(),
MacAddress::FromString(vm_intf->vm_mac()));
client->WaitForIdle();
EXPECT_TRUE(path->path_preference().sequence() == 0);
EXPECT_TRUE(path->path_preference().preference() == PathPreference::HIGH);
EXPECT_TRUE(path->path_preference().ecmp() == true);
EXPECT_TRUE(path->path_preference().wait_for_traffic() == false);
Ip4Address server_ip = Ip4Address::from_string("10.1.1.1");
TunnelType::TypeBmap bmap = (1 << TunnelType::MPLS_GRE);
PathPreference path_preference(100, PathPreference::HIGH, false, false);
Inet4TunnelRouteAdd(peer_, "vrf1", aap_ip, 32, server_ip, bmap,
16, "vn1", SecurityGroupList(), path_preference);
client->WaitForIdle();
EXPECT_TRUE(path->path_preference().sequence() == 0);
EXPECT_TRUE(path->path_preference().preference() == PathPreference::HIGH);
EXPECT_TRUE(path->path_preference().ecmp() == true);
EXPECT_TRUE(path->path_preference().wait_for_traffic() == false);
rt = RouteGet("vrf1", ip, 32);
path = rt->FindPath(vm_intf->peer());
EXPECT_TRUE(path->path_preference().sequence() == 1);
EXPECT_TRUE(path->path_preference().preference() == PathPreference::HIGH);
EXPECT_TRUE(path->path_preference().ecmp() == false);
EXPECT_TRUE(path->path_preference().wait_for_traffic() == false);
}
TEST_F(TestAap, StateMachine_17) {
AddVn("default-project:vn2", 2);
AddVrf("default-project:vn2:vn2", 2);
AddLink("virtual-network", "default-project:vn2", "routing-instance",
"default-project:vn2:vn2");
client->WaitForIdle();
//Configure Floating-IP for intf7 in default-project:vn1
AddFloatingIpPool("fip-pool1", 1);
AddFloatingIp("fip1", 1, "1.1.1.100");
AddLink("floating-ip", "fip1", "floating-ip-pool", "fip-pool1");
AddLink("floating-ip-pool", "fip-pool1", "virtual-network",
"default-project:vn2");
AddLink("virtual-machine-interface", "intf1", "floating-ip", "fip1");
client->WaitForIdle();
VmInterface *vm_intf = VmInterfaceGet(1);
Ip4Address ip = Ip4Address::from_string("1.1.1.1");
Ip4Address fip = Ip4Address::from_string("1.1.1.100");
InetUnicastRouteEntry *rt = RouteGet("default-project:vn2:vn2", fip, 32);
const AgentPath *path = rt->FindPath(vm_intf->peer());
EvpnRouteEntry *evpn_rt = EvpnRouteGet("default-project:vn2:vn2",
MacAddress::FromString(vm_intf->vm_mac()), fip, 0);
const AgentPath *evpn_path = evpn_rt->FindPath(vm_intf->peer());
EXPECT_TRUE(path->path_preference().sequence() == 0);
EXPECT_TRUE(path->path_preference().preference() == PathPreference::LOW);
EXPECT_TRUE(evpn_path->path_preference().preference() == PathPreference::LOW);
EXPECT_TRUE(path->path_preference().ecmp() == false);
EXPECT_TRUE(path->path_preference().wait_for_traffic() == true);
Agent::GetInstance()->oper_db()->route_preference_module()->
EnqueueTrafficSeen(ip, 32, vm_intf->id(), vm_intf->vrf()->vrf_id(),
MacAddress::FromString(vm_intf->vm_mac()));
client->WaitForIdle();
EXPECT_TRUE(path->path_preference().sequence() == 0);
EXPECT_TRUE(path->path_preference().preference() == PathPreference::HIGH);
EXPECT_TRUE(evpn_path->path_preference().preference() ==
PathPreference::HIGH);
EXPECT_TRUE(path->path_preference().ecmp() == false);
EXPECT_TRUE(path->path_preference().wait_for_traffic() == false);
Ip4Address server_ip = Ip4Address::from_string("10.1.1.1");
TunnelType::TypeBmap bmap = (1 << TunnelType::MPLS_GRE);
PathPreference path_preference(100, PathPreference::HIGH, false, false);
Inet4TunnelRouteAdd(peer_, "default-project:vn2:vn2", fip, 32, server_ip, bmap,
16, "vn1", SecurityGroupList(), path_preference);