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vm_interface.cc
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/*
* Copyright (c) 2013 Juniper Networks, Inc. All rights reserved.
*/
#include <sys/types.h>
#include <net/ethernet.h>
#include <boost/uuid/uuid_io.hpp>
#include "base/logging.h"
#include "db/db.h"
#include "db/db_entry.h"
#include "db/db_table.h"
#include "ifmap/ifmap_node.h"
#include "net/address_util.h"
#include <cfg/cfg_init.h>
#include <cfg/cfg_interface.h>
#include <cfg/cfg_listener.h>
#include <cmn/agent.h>
#include <init/agent_param.h>
#include <oper/operdb_init.h>
#include <oper/ifmap_dependency_manager.h>
#include <oper/config_manager.h>
#include <oper/route_common.h>
#include <oper/vm.h>
#include <oper/vn.h>
#include <oper/vrf.h>
#include <oper/nexthop.h>
#include <oper/mpls.h>
#include <oper/mirror_table.h>
#include <oper/interface_common.h>
#include <oper/vrf_assign.h>
#include <oper/vxlan.h>
#include <oper/oper_dhcp_options.h>
#include <oper/inet_unicast_route.h>
#include <oper/physical_device_vn.h>
#include <vnc_cfg_types.h>
#include <oper/agent_sandesh.h>
#include <oper/sg.h>
#include "sandesh/sandesh_trace.h"
#include "sandesh/common/vns_types.h"
#include "sandesh/common/vns_constants.h"
#include <filter/acl.h>
using namespace std;
using namespace boost::uuids;
using namespace autogen;
VmInterface::VmInterface(const boost::uuids::uuid &uuid) :
Interface(Interface::VM_INTERFACE, uuid, "", NULL), vm_(NULL),
vn_(NULL), primary_ip_addr_(0), mdata_addr_(0), subnet_bcast_addr_(0),
primary_ip6_addr_(), vm_mac_(""), policy_enabled_(false),
mirror_entry_(NULL), mirror_direction_(MIRROR_RX_TX), cfg_name_(""),
fabric_port_(true), need_linklocal_ip_(false), dhcp_enable_(true),
do_dhcp_relay_(false), vm_name_(),
vm_project_uuid_(nil_uuid()), vxlan_id_(0), bridging_(true),
layer3_forwarding_(true), flood_unknown_unicast_(false),
mac_set_(false), ecmp_(false),
tx_vlan_id_(kInvalidVlanId), rx_vlan_id_(kInvalidVlanId), parent_(NULL),
local_preference_(VmInterface::INVALID), oper_dhcp_options_(),
sg_list_(), floating_ip_list_(), service_vlan_list_(), static_route_list_(),
allowed_address_pair_list_(), vrf_assign_rule_list_(),
vrf_assign_acl_(NULL), vm_ip_gw_addr_(0), vm_ip6_gw_addr_(),
device_type_(VmInterface::DEVICE_TYPE_INVALID),
vmi_type_(VmInterface::VMI_TYPE_INVALID),
configurer_(0), subnet_(0), subnet_plen_(0), ethernet_tag_(0),
logical_interface_(nil_uuid()), nova_ip_addr_(0), nova_ip6_addr_(),
dhcp_addr_(0) {
ipv4_active_ = false;
ipv6_active_ = false;
l2_active_ = false;
}
VmInterface::VmInterface(const boost::uuids::uuid &uuid,
const std::string &name,
const Ip4Address &addr, const std::string &mac,
const std::string &vm_name,
const boost::uuids::uuid &vm_project_uuid,
uint16_t tx_vlan_id, uint16_t rx_vlan_id,
Interface *parent, const Ip6Address &a6,
DeviceType device_type, VmiType vmi_type) :
Interface(Interface::VM_INTERFACE, uuid, name, NULL), vm_(NULL),
vn_(NULL), primary_ip_addr_(addr), mdata_addr_(0), subnet_bcast_addr_(0),
primary_ip6_addr_(a6), vm_mac_(mac), policy_enabled_(false),
mirror_entry_(NULL), mirror_direction_(MIRROR_RX_TX), cfg_name_(""),
fabric_port_(true), need_linklocal_ip_(false), dhcp_enable_(true),
do_dhcp_relay_(false), vm_name_(vm_name),
vm_project_uuid_(vm_project_uuid), vxlan_id_(0),
bridging_(true), layer3_forwarding_(true),
flood_unknown_unicast_(false), mac_set_(false),
ecmp_(false), tx_vlan_id_(tx_vlan_id), rx_vlan_id_(rx_vlan_id),
parent_(parent), local_preference_(VmInterface::INVALID), oper_dhcp_options_(),
sg_list_(), floating_ip_list_(), service_vlan_list_(), static_route_list_(),
allowed_address_pair_list_(), vrf_assign_rule_list_(),
vrf_assign_acl_(NULL), device_type_(device_type),
vmi_type_(vmi_type), configurer_(0), subnet_(0),
subnet_plen_(0), ethernet_tag_(0), logical_interface_(nil_uuid()),
nova_ip_addr_(0), nova_ip6_addr_(), dhcp_addr_(0) {
ipv4_active_ = false;
ipv6_active_ = false;
l2_active_ = false;
}
VmInterface::~VmInterface() {
}
bool VmInterface::CmpInterface(const DBEntry &rhs) const {
const VmInterface &intf=static_cast<const VmInterface &>(rhs);
return uuid_ < intf.uuid_;
}
/////////////////////////////////////////////////////////////////////////////
// Template function to audit two lists. This is used to synchronize the
// operational and config list for Floating-IP, Service-Vlans, Static Routes
// and SG List
/////////////////////////////////////////////////////////////////////////////
template<class List, class Iterator>
bool AuditList(List &list, Iterator old_first, Iterator old_last,
Iterator new_first, Iterator new_last) {
bool ret = false;
Iterator old_iterator = old_first;
Iterator new_iterator = new_first;
while (old_iterator != old_last && new_iterator != new_last) {
if (old_iterator->IsLess(new_iterator.operator->())) {
Iterator bkp = old_iterator++;
list.Remove(bkp);
ret = true;
} else if (new_iterator->IsLess(old_iterator.operator->())) {
Iterator bkp = new_iterator++;
list.Insert(bkp.operator->());
ret = true;
} else {
Iterator old_bkp = old_iterator++;
Iterator new_bkp = new_iterator++;
list.Update(old_bkp.operator->(), new_bkp.operator->());
ret = true;
}
}
while (old_iterator != old_last) {
Iterator bkp = old_iterator++;
list.Remove(bkp);
ret = true;
}
while (new_iterator != new_last) {
Iterator bkp = new_iterator++;
list.Insert(bkp.operator->());
ret = true;
}
return ret;
}
// Build one Floating IP entry for a virtual-machine-interface
static void BuildFloatingIpList(Agent *agent, VmInterfaceConfigData *data,
IFMapNode *node) {
CfgListener *cfg_listener = agent->cfg_listener();
if (cfg_listener->SkipNode(node)) {
return;
}
// Find VRF for the floating-ip. Following path in graphs leads to VRF
// virtual-machine-port <-> floating-ip <-> floating-ip-pool
// <-> virtual-network <-> routing-instance
IFMapAgentTable *fip_table = static_cast<IFMapAgentTable *>(node->table());
DBGraph *fip_graph = fip_table->GetGraph();
// Iterate thru links for floating-ip looking for floating-ip-pool node
for (DBGraphVertex::adjacency_iterator fip_iter = node->begin(fip_graph);
fip_iter != node->end(fip_graph); ++fip_iter) {
IFMapNode *pool_node = static_cast<IFMapNode *>(fip_iter.operator->());
if (cfg_listener->SkipNode
(pool_node, agent->cfg()->cfg_floatingip_pool_table())) {
continue;
}
// Iterate thru links for floating-ip-pool looking for virtual-network
IFMapAgentTable *pool_table =
static_cast<IFMapAgentTable *> (pool_node->table());
DBGraph *pool_graph = pool_table->GetGraph();
for (DBGraphVertex::adjacency_iterator pool_iter =
pool_node->begin(pool_graph);
pool_iter != pool_node->end(pool_graph); ++pool_iter) {
IFMapNode *vn_node =
static_cast<IFMapNode *>(pool_iter.operator->());
if (cfg_listener->SkipNode
(vn_node, agent->cfg()->cfg_vn_table())) {
continue;
}
VirtualNetwork *cfg = static_cast <VirtualNetwork *>
(vn_node->GetObject());
assert(cfg);
autogen::IdPermsType id_perms = cfg->id_perms();
boost::uuids::uuid vn_uuid;
CfgUuidSet(id_perms.uuid.uuid_mslong, id_perms.uuid.uuid_lslong,
vn_uuid);
IFMapAgentTable *vn_table =
static_cast<IFMapAgentTable *> (vn_node->table());
DBGraph *vn_graph = vn_table->GetGraph();
// Iterate thru links for virtual-network looking for
// routing-instance
for (DBGraphVertex::adjacency_iterator vn_iter =
vn_node->begin(vn_graph);
vn_iter != vn_node->end(vn_graph); ++vn_iter) {
IFMapNode *vrf_node =
static_cast<IFMapNode *>(vn_iter.operator->());
if (cfg_listener->SkipNode
(vrf_node, agent->cfg()->cfg_vrf_table())){
continue;
}
// Checking whether it is default vrf of not
size_t found = vn_node->name().find_last_of(':');
std::string vrf_name = "";
if (found != string::npos) {
vrf_name = vn_node->name() + vn_node->name().substr(found);
}
if (vrf_node->name().compare(vrf_name) != 0) {
continue;
}
FloatingIp *fip = static_cast<FloatingIp *>(node->GetObject());
assert(fip != NULL);
LOG(DEBUG, "Add FloatingIP <" << fip->address() << ":" <<
vrf_node->name() << "> to interface " << node->name());
boost::system::error_code ec;
IpAddress addr = IpAddress::from_string(fip->address(), ec);
if (ec.value() != 0) {
LOG(DEBUG, "Error decoding Floating IP address "
<< fip->address());
} else {
data->floating_ip_list_.list_.insert
(VmInterface::FloatingIp(addr, vrf_node->name(),
vn_uuid));
if (addr.is_v4()) {
data->floating_ip_list_.v4_count_++;
} else {
data->floating_ip_list_.v6_count_++;
}
}
break;
}
break;
}
break;
}
return;
}
// Build list of static-routes on virtual-machine-interface
static void BuildStaticRouteList(VmInterfaceConfigData *data, IFMapNode *node) {
InterfaceRouteTable *entry =
static_cast<InterfaceRouteTable*>(node->GetObject());
assert(entry);
for (std::vector<RouteType>::const_iterator it = entry->routes().begin();
it != entry->routes().end(); it++) {
int plen;
boost::system::error_code ec;
IpAddress ip;
bool add = false;
Ip4Address ip4;
ec = Ip4PrefixParse(it->prefix, &ip4, &plen);
if (ec.value() == 0) {
ip = ip4;
add = true;
} else {
Ip6Address ip6;
ec = Inet6PrefixParse(it->prefix, &ip6, &plen);
if (ec.value() == 0) {
ip = ip6;
add = true;
} else {
LOG(DEBUG, "Error decoding v4/v6 Static Route address " << it->prefix);
}
}
IpAddress gw = IpAddress::from_string(it->next_hop, ec);
if (ec) {
gw = IpAddress::from_string("0.0.0.0", ec);
}
if (add) {
data->static_route_list_.list_.insert
(VmInterface::StaticRoute(data->vrf_name_, ip, plen, gw));
}
}
}
static void BuildResolveRoute(VmInterfaceConfigData *data, IFMapNode *node) {
Subnet *entry =
static_cast<Subnet *>(node->GetObject());
assert(entry);
Ip4Address ip;
boost::system::error_code ec;
ip = Ip4Address::from_string(entry->ip_prefix().ip_prefix, ec);
if (ec.value() == 0) {
data->subnet_ = ip;
data->subnet_plen_ = entry->ip_prefix().ip_prefix_len;
}
}
static void BuildAllowedAddressPairRouteList(VirtualMachineInterface *cfg,
VmInterfaceConfigData *data) {
for (std::vector<AllowedAddressPair>::const_iterator it =
cfg->allowed_address_pairs().begin();
it != cfg->allowed_address_pairs().end(); ++it) {
boost::system::error_code ec;
int plen = it->ip.ip_prefix_len;
Ip4Address ip = Ip4Address::from_string(it->ip.ip_prefix, ec);
if (ec.value() != 0) {
continue;
}
MacAddress mac = MacAddress::FromString(it->mac, &ec);
if (ec.value() != 0) {
mac.Zero();
}
if (ip.is_unspecified() && mac == MacAddress::kZeroMac) {
continue;
}
bool ecmp = false;
if (it->address_mode == "active-active") {
ecmp = true;
}
VmInterface::AllowedAddressPair entry(data->vrf_name_, ip, plen,
ecmp, mac);
data->allowed_address_pair_list_.list_.insert(entry);
}
}
// Build VM Interface VRF or one Service Vlan entry for VM Interface
static void BuildVrfAndServiceVlanInfo(Agent *agent,
VmInterfaceConfigData *data,
IFMapNode *node) {
CfgListener *cfg_listener = agent->cfg_listener();
VirtualMachineInterfaceRoutingInstance *entry =
static_cast<VirtualMachineInterfaceRoutingInstance*>(node->GetObject());
assert(entry);
// Ignore node if direction is not yet set. An update will come later
const PolicyBasedForwardingRuleType &rule = entry->data();
if (rule.direction == "") {
return;
}
// Find VRF by looking for link
// virtual-machine-interface-routing-instance <-> routing-instance
IFMapAgentTable *table = static_cast<IFMapAgentTable *>(node->table());
DBGraph *graph = table->GetGraph();
// Iterate thru links looking for routing-instance node
for (DBGraphVertex::adjacency_iterator iter = node->begin(graph);
iter != node->end(graph); ++iter) {
IFMapNode *vrf_node = static_cast<IFMapNode *>(iter.operator->());
if (cfg_listener->SkipNode
(vrf_node, agent->cfg()->cfg_vrf_table())) {
continue;
}
if (rule.vlan_tag == 0 && rule.protocol == ""
&& rule.service_chain_address == "") {
data->vrf_name_ = vrf_node->name();
} else {
boost::system::error_code ec;
Ip4Address addr = Ip4Address::from_string
(rule.service_chain_address, ec);
if (ec.value() != 0) {
LOG(DEBUG, "Error decoding Service VLAN IP address "
<< rule.service_chain_address);
break;
}
if (rule.vlan_tag > 4093) {
LOG(DEBUG, "Invalid VLAN Tag " << rule.vlan_tag);
break;
}
LOG(DEBUG, "Add Service VLAN entry <" << rule.vlan_tag << " : "
<< rule.service_chain_address << " : " << vrf_node->name());
MacAddress smac(agent->vrrp_mac());
MacAddress dmac = MacAddress::FromString(Agent::BcastMac());
if (rule.src_mac != Agent::NullString()) {
smac = MacAddress::FromString(rule.src_mac);
}
if (rule.src_mac != Agent::NullString()) {
dmac = MacAddress::FromString(rule.dst_mac);
}
data->service_vlan_list_.list_.insert
(VmInterface::ServiceVlan(rule.vlan_tag, vrf_node->name(), addr,
32, smac, dmac));
}
break;
}
return;
}
static void BuildInstanceIp(Agent *agent, VmInterfaceConfigData *data,
IFMapNode *node) {
InstanceIp *ip = static_cast<InstanceIp *>(node->GetObject());
boost::system::error_code err;
IpAddress addr = IpAddress::from_string(ip->address(), err);
bool is_primary = false;
if (ip->secondary() != true) {
is_primary = true;
if (addr.is_v4()) {
if (data->addr_ == Ip4Address(0) ||
data->addr_ > addr.to_v4()) {
data->addr_ = addr.to_v4();
if (ip->mode() == "active-active") {
data->ecmp_ = true;
} else {
data->ecmp_ = false;
}
}
} else if (addr.is_v6()) {
if (data->ip6_addr_ == Ip6Address() ||
data->ip6_addr_ > addr.to_v6()) {
data->ip6_addr_ = addr.to_v6();
}
if (ip->mode() == "active-active") {
data->ecmp_ = true;
} else {
data->ecmp_ = false;
}
}
}
bool ecmp = false;
if (ip->mode() == "active-active") {
ecmp = true;
}
if (addr.is_v4()) {
data->instance_ipv4_list_.list_.insert(
VmInterface::InstanceIp(addr, ecmp, is_primary));
} else {
data->instance_ipv6_list_.list_.insert(
VmInterface::InstanceIp(addr, ecmp, is_primary));
}
}
static void BuildSgList(VmInterfaceConfigData *data, IFMapNode *node) {
SecurityGroup *sg_cfg = static_cast<SecurityGroup *>
(node->GetObject());
assert(sg_cfg);
autogen::IdPermsType id_perms = sg_cfg->id_perms();
uint32_t sg_id = SgTable::kInvalidSgId;
stringToInteger(sg_cfg->id(), sg_id);
if (sg_id != SgTable::kInvalidSgId) {
uuid sg_uuid = nil_uuid();
CfgUuidSet(id_perms.uuid.uuid_mslong, id_perms.uuid.uuid_lslong,
sg_uuid);
data->sg_list_.list_.insert
(VmInterface::SecurityGroupEntry(sg_uuid));
}
}
static void BuildVn(VmInterfaceConfigData *data, IFMapNode *node,
const boost::uuids::uuid &u, CfgIntEntry *cfg_entry) {
VirtualNetwork *vn = static_cast<VirtualNetwork *>
(node->GetObject());
assert(vn);
autogen::IdPermsType id_perms = vn->id_perms();
CfgUuidSet(id_perms.uuid.uuid_mslong,
id_perms.uuid.uuid_lslong, data->vn_uuid_);
if (cfg_entry && (cfg_entry->GetVnUuid() != data->vn_uuid_)) {
IFMAP_ERROR(InterfaceConfiguration,
"Virtual-network UUID mismatch for interface:",
UuidToString(u),
"configuration VN uuid",
UuidToString(data->vn_uuid_),
"compute VN uuid",
UuidToString(cfg_entry->GetVnUuid()));
}
}
static void BuildVm(VmInterfaceConfigData *data, IFMapNode *node,
const boost::uuids::uuid &u, CfgIntEntry *cfg_entry) {
VirtualMachine *vm = static_cast<VirtualMachine *>
(node->GetObject());
assert(vm);
autogen::IdPermsType id_perms = vm->id_perms();
CfgUuidSet(id_perms.uuid.uuid_mslong,
id_perms.uuid.uuid_lslong, data->vm_uuid_);
if (cfg_entry && (cfg_entry->GetVmUuid() != data->vm_uuid_)) {
IFMAP_ERROR(InterfaceConfiguration,
"Virtual-machine UUID mismatch for interface:",
UuidToString(u),
"configuration VM UUID is",
UuidToString(data->vm_uuid_),
"compute VM uuid is",
UuidToString(cfg_entry->GetVnUuid()));
}
}
// Get DHCP configuration
static void ReadDhcpOptions(VirtualMachineInterface *cfg,
VmInterfaceConfigData &data) {
data.oper_dhcp_options_.set_options(cfg->dhcp_option_list());
data.oper_dhcp_options_.set_host_routes(cfg->host_routes());
}
// Get interface mirror configuration.
static void ReadAnalyzerNameAndCreate(Agent *agent,
VirtualMachineInterface *cfg,
VmInterfaceConfigData &data) {
if (!cfg) {
return;
}
MirrorActionType mirror_to = cfg->properties().interface_mirror.mirror_to;
if (!mirror_to.analyzer_name.empty()) {
boost::system::error_code ec;
IpAddress dip = IpAddress::from_string(mirror_to.analyzer_ip_address,
ec);
if (ec.value() != 0) {
return;
}
uint16_t dport;
if (mirror_to.udp_port) {
dport = mirror_to.udp_port;
} else {
dport = ContrailPorts::AnalyzerUdpPort();
}
agent->mirror_table()->AddMirrorEntry
(mirror_to.analyzer_name, std::string(), agent->router_id(),
agent->mirror_port(), dip.to_v4(), dport);
data.analyzer_name_ = mirror_to.analyzer_name;
string traffic_direction =
cfg->properties().interface_mirror.traffic_direction;
if (traffic_direction.compare("egress") == 0) {
data.mirror_direction_ = Interface::MIRROR_TX;
} else if (traffic_direction.compare("ingress") == 0) {
data.mirror_direction_ = Interface::MIRROR_RX;
} else {
data.mirror_direction_ = Interface::MIRROR_RX_TX;
}
}
}
static void BuildVrfAssignRule(VirtualMachineInterface *cfg,
VmInterfaceConfigData *data) {
uint32_t id = 1;
for (std::vector<VrfAssignRuleType>::const_iterator iter =
cfg->vrf_assign_table().begin(); iter != cfg->vrf_assign_table().end();
++iter) {
VmInterface::VrfAssignRule entry(id++, iter->match_condition,
iter->routing_instance,
iter->ignore_acl);
data->vrf_assign_rule_list_.list_.insert(entry);
}
}
static IFMapNode *FindTarget(IFMapAgentTable *table, IFMapNode *node,
const std::string &node_type) {
for (DBGraphVertex::adjacency_iterator it = node->begin(table->GetGraph());
it != node->end(table->GetGraph()); ++it) {
IFMapNode *adj_node = static_cast<IFMapNode *>(it.operator->());
if (adj_node->table()->Typename() == node_type)
return adj_node;
}
return NULL;
}
static void ReadDhcpEnable(Agent *agent, VmInterfaceConfigData *data,
IFMapNode *node) {
IFMapAgentTable *table = static_cast<IFMapAgentTable *>(node->table());
for (DBGraphVertex::adjacency_iterator it = node->begin(table->GetGraph());
it != node->end(table->GetGraph()); ++it) {
IFMapNode *adj_node = static_cast<IFMapNode *>(it.operator->());
IFMapNode *ipam_node = NULL;
if (adj_node->table() == agent->cfg()->cfg_vn_network_ipam_table() &&
(ipam_node = FindTarget(table, adj_node, "network-ipam"))) {
VirtualNetworkNetworkIpam *ipam =
static_cast<VirtualNetworkNetworkIpam *>(adj_node->GetObject());
assert(ipam);
const VnSubnetsType &subnets = ipam->data();
boost::system::error_code ec;
for (unsigned int i = 0; i < subnets.ipam_subnets.size(); ++i) {
if (IsIp4SubnetMember(data->addr_,
Ip4Address::from_string(
subnets.ipam_subnets[i].subnet.ip_prefix, ec),
subnets.ipam_subnets[i].subnet.ip_prefix_len)) {
data->dhcp_enable_ = subnets.ipam_subnets[i].enable_dhcp;
return;
}
}
}
}
}
// Check if VMI is a sub-interface. Sub-interface will have
// sub_interface_vlan_tag property set to non-zero
static bool IsVlanSubInterface(VirtualMachineInterface *cfg) {
if (cfg->IsPropertySet(VirtualMachineInterface::PROPERTIES) == false)
return false;
if (cfg->properties().sub_interface_vlan_tag == 0)
return false;
return true;
}
// Builds parent for VMI (not to be confused with parent ifmap-node)
// Possible values are,
// - logical-interface : Incase of baremetals
// - virtual-machine-interface : We support virtual-machine-interface
// sub-interfaces. In this case, another virtual-machine-interface itself
// can be a parent
static PhysicalRouter *BuildParentInfo(Agent *agent,
VmInterfaceConfigData *data,
VirtualMachineInterface *cfg,
IFMapNode *node) {
// Read logical-interface neighbor if any
IFMapNode *logical_node = agent->cfg_listener()->
FindAdjacentIFMapNode(agent, node,
"logical-interface");
if (logical_node) {
IFMapNode *physical_node = agent->cfg_listener()->
FindAdjacentIFMapNode(agent, logical_node, "physical-interface");
agent->interface_table()->
LogicalInterfaceIFNodeToUuid(logical_node, data->logical_interface_);
// Find phyiscal-interface for the VMI
IFMapNode *prouter_node = NULL;
if (physical_node) {
data->physical_interface_ = physical_node->name();
// Find vrouter for the physical interface
prouter_node = agent->cfg_listener()->
FindAdjacentIFMapNode(agent, physical_node, "physical-router");
}
if (prouter_node == NULL)
return NULL;
return static_cast<PhysicalRouter *>(prouter_node->GetObject());
}
// Check if this is VLAN sub-interface VMI
if (IsVlanSubInterface(cfg) == false) {
return NULL;
}
// Find Parent VMI for sub-interface
IFMapNode *vmi_node = agent->cfg_listener()->
FindAdjacentIFMapNode(agent, node, "virtual-machine-interface");
if (vmi_node == false)
return NULL;
VirtualMachineInterface *parent_cfg =
static_cast <VirtualMachineInterface *> (vmi_node->GetObject());
assert(parent_cfg);
if (IsVlanSubInterface(parent_cfg)) {
return NULL;
}
autogen::IdPermsType id_perms = parent_cfg->id_perms();
CfgUuidSet(id_perms.uuid.uuid_mslong, id_perms.uuid.uuid_lslong,
data->parent_vmi_);
data->rx_vlan_id_ = cfg->properties().sub_interface_vlan_tag;
data->tx_vlan_id_ = cfg->properties().sub_interface_vlan_tag;
return NULL;
}
static void BuildAttributes(Agent *agent, IFMapNode *node,
VirtualMachineInterface *cfg,
VmInterfaceConfigData *data) {
//Extract the local preference
if (cfg->IsPropertySet(VirtualMachineInterface::PROPERTIES)) {
autogen::VirtualMachineInterfacePropertiesType prop = cfg->properties();
//Service instance also would have VirtualMachineInterface
//properties field set, pick up local preference
//value only when it has been initialized to proper
//value, if its 0, ignore the local preference
if (prop.local_preference) {
data->local_preference_ = VmInterface::LOW;
if (prop.local_preference == VmInterface::HIGH) {
data->local_preference_ = VmInterface::HIGH;
}
}
}
ReadAnalyzerNameAndCreate(agent, cfg, *data);
// Fill DHCP option data
ReadDhcpOptions(cfg, *data);
//Fill config data items
data->cfg_name_ = node->name();
data->admin_state_ = cfg->id_perms().enable;
BuildVrfAssignRule(cfg, data);
BuildAllowedAddressPairRouteList(cfg, data);
if (cfg->mac_addresses().size()) {
data->vm_mac_ = cfg->mac_addresses().at(0);
}
}
static void UpdateAttributes(Agent *agent, VmInterfaceConfigData *data) {
// Compute fabric_port_ and need_linklocal_ip_ flags
data->fabric_port_ = false;
data->need_linklocal_ip_ = true;
if (data->vrf_name_ == agent->fabric_vrf_name() ||
data->vrf_name_ == agent->linklocal_vrf_name()) {
data->fabric_port_ = true;
data->need_linklocal_ip_ = false;
}
if (agent->isXenMode()) {
data->need_linklocal_ip_ = false;
}
}
static void ComputeTypeInfo(Agent *agent, VmInterfaceConfigData *data,
CfgIntEntry *cfg_entry, PhysicalRouter *prouter,
IFMapNode *node) {
if (cfg_entry != NULL) {
// Have got InstancePortAdd message. Treat it as VM_ON_TAP by default
// TODO: Need to identify more cases here
data->device_type_ = VmInterface::VM_ON_TAP;
data->vmi_type_ = VmInterface::INSTANCE;
return;
}
data->device_type_ = VmInterface::DEVICE_TYPE_INVALID;
data->vmi_type_ = VmInterface::VMI_TYPE_INVALID;
// Does it have physical-interface
if (data->physical_interface_.empty() == false) {
// no physical-router connected. Should be transient case
if (prouter == NULL) {
// HACK : TSN/ToR agent only supports barements. So, set as
// baremetal anyway
if (agent->tsn_enabled() || agent->tor_agent_enabled()) {
data->device_type_ = VmInterface::TOR;
data->vmi_type_ = VmInterface::BAREMETAL;
}
return;
}
// VMI is either Baremetal or Gateway interface
if (prouter->display_name() == agent->agent_name()) {
// Read logical-interface neighbor if any
IFMapNode *logical_node = agent->cfg_listener()->
FindAdjacentIFMapNode(agent, node,
"logical-interface");
// VMI connected to local vrouter. Treat it as GATEWAY
data->device_type_ = VmInterface::LOCAL_DEVICE;
data->vmi_type_ = VmInterface::GATEWAY;
if (logical_node) {
autogen::LogicalInterface *port =
static_cast <autogen::LogicalInterface *>
(logical_node->GetObject());
if (port->vlan_tag()) {
data->rx_vlan_id_ = port->vlan_tag();
data->tx_vlan_id_ = port->vlan_tag();
}
}
return;
} else {
// prouter does not match. Treat as baremetal
data->device_type_ = VmInterface::TOR;
data->vmi_type_ = VmInterface::BAREMETAL;
return;
}
return;
}
// Physical router not specified. Check if this is VMI sub-interface
if (data->parent_vmi_.is_nil() == false) {
data->device_type_ = VmInterface::VM_VLAN_ON_VMI;
data->vmi_type_ = VmInterface::INSTANCE;
return;
}
return;
}
void VmInterface::SetConfigurer(VmInterface::Configurer type) {
configurer_ |= (1 << type);
}
void VmInterface::ResetConfigurer(VmInterface::Configurer type) {
configurer_ &= ~(1 << type);
}
bool VmInterface::IsConfigurerSet(VmInterface::Configurer type) {
return ((configurer_ & (1 << type)) != 0);
}
static bool DeleteVmi(InterfaceTable *table, const uuid &u, DBRequest *req) {
int type = table->GetVmiToVmiType(u);
if (type <= (int)VmInterface::VMI_TYPE_INVALID)
return false;
table->DelVmiToVmiType(u);
// Process delete based on VmiType
if (type == VmInterface::INSTANCE) {
// INSTANCE type are not added by config. We only do RESYNC
req->oper = DBRequest::DB_ENTRY_ADD_CHANGE;
req->key.reset(new VmInterfaceKey(AgentKey::RESYNC, u, ""));
req->data.reset(new VmInterfaceConfigData(NULL, NULL));
return true;
} else {
VmInterface::Delete(table, u, VmInterface::CONFIG);
return false;
}
}
bool InterfaceTable::VmiIFNodeToUuid(IFMapNode *node, boost::uuids::uuid &u) {
VirtualMachineInterface *cfg = static_cast <VirtualMachineInterface *>
(node->GetObject());
autogen::IdPermsType id_perms = cfg->id_perms();
CfgUuidSet(id_perms.uuid.uuid_mslong, id_perms.uuid.uuid_lslong, u);
return true;
}
// Virtual Machine Interface is added or deleted into oper DB from Nova
// messages. The Config notify is used only to change interface.
bool InterfaceTable::VmiProcessConfig(IFMapNode *node, DBRequest &req) {
// Get interface UUID
VirtualMachineInterface *cfg = static_cast <VirtualMachineInterface *>
(node->GetObject());
assert(cfg);
uuid u;
if (agent()->cfg_listener()->GetCfgDBStateUuid(node, u) == false)
return false;
// Handle object delete
if (node->IsDeleted()) {
return false;
}
// Get the entry from Interface Config table
CfgIntTable *cfg_table = agent_->interface_config_table();
CfgIntKey cfg_key(u);
CfgIntEntry *cfg_entry =
static_cast <CfgIntEntry *>(cfg_table->Find(&cfg_key));
// Update interface configuration
req.oper = DBRequest::DB_ENTRY_ADD_CHANGE;
VmInterfaceConfigData *data = new VmInterfaceConfigData(agent(), NULL);
data->SetIFMapNode(node);
IFMapNode *vn_node = NULL;
BuildAttributes(agent_, node, cfg, data);
// Graph walk to get interface configuration
IFMapAgentTable *table = static_cast<IFMapAgentTable *>(node->table());
for (DBGraphVertex::adjacency_iterator iter =
node->begin(table->GetGraph());
iter != node->end(table->GetGraph()); ++iter) {
IFMapNode *adj_node = static_cast<IFMapNode *>(iter.operator->());
if (agent_->cfg_listener()->SkipNode(adj_node)) {
continue;
}
if (adj_node->table() == agent_->cfg()->cfg_sg_table()) {
BuildSgList(data, adj_node);
}
if (adj_node->table() == agent_->cfg()->cfg_vn_table()) {
vn_node = adj_node;
BuildVn(data, adj_node, u, cfg_entry);
}
if (adj_node->table() == agent_->cfg()->cfg_vm_table()) {
BuildVm(data, adj_node, u, cfg_entry);
}
if (adj_node->table() == agent_->cfg()->cfg_instanceip_table()) {
BuildInstanceIp(agent_, data, adj_node);
}
if (adj_node->table() == agent_->cfg()->cfg_floatingip_table()) {
BuildFloatingIpList(agent_, data, adj_node);
}
if (adj_node->table() == agent_->cfg()->cfg_vm_port_vrf_table()) {
BuildVrfAndServiceVlanInfo(agent_, data, adj_node);
}
if (adj_node->table() == agent_->cfg()->cfg_route_table()) {
BuildStaticRouteList(data, adj_node);
}
if (adj_node->table() == agent_->cfg()->cfg_subnet_table()) {
BuildResolveRoute(data, adj_node);
}
}
UpdateAttributes(agent_, data);
// Get DHCP enable flag from subnet
if (vn_node && data->addr_.to_ulong()) {
ReadDhcpEnable(agent_, data, vn_node);
}
PhysicalRouter *prouter = NULL;
// Build parent for the virtual-machine-interface
prouter = BuildParentInfo(agent_, data, cfg, node);
// Compute device-type and vmi-type for the interface
ComputeTypeInfo(agent_, data, cfg_entry, prouter, node);
InterfaceKey *key = NULL;
if (data->device_type_ == VmInterface::VM_ON_TAP ||
data->device_type_ == VmInterface::DEVICE_TYPE_INVALID) {
key = new VmInterfaceKey(AgentKey::RESYNC, u, "");
} else {
key = new VmInterfaceKey(AgentKey::ADD_DEL_CHANGE, u,
cfg->display_name());
}
if (data->device_type_ != VmInterface::DEVICE_TYPE_INVALID) {
AddVmiToVmiType(u, data->device_type_);
}
req.key.reset(key);
req.data.reset(data);
boost::uuids::uuid dev = nil_uuid();
if (prouter) {
autogen::IdPermsType id_perms = prouter->id_perms();
CfgUuidSet(id_perms.uuid.uuid_mslong, id_perms.uuid.uuid_lslong, dev);
}
UpdatePhysicalDeviceVnEntry(u, dev, data->vn_uuid_, vn_node);
vmi_ifnode_to_req_++;
return true;
}
bool InterfaceTable::VmiIFNodeToReq(IFMapNode *node, DBRequest &req) {
// Get interface UUID
VirtualMachineInterface *cfg = static_cast <VirtualMachineInterface *>
(node->GetObject());
assert(cfg);
uuid u;
if (agent()->cfg_listener()->GetCfgDBStateUuid(node, u) == false)
return false;
// Handle object delete
if (node->IsDeleted()) {
agent()->config_manager()->DelVmiNode(node);
DelPhysicalDeviceVnEntry(u);
return DeleteVmi(this, u, &req);
}
agent()->config_manager()->AddVmiNode(node);
return false;
}
// Handle virtual-machine-interface-routing-instance config node
// Find the interface-node and enqueue RESYNC of service-vlans to interface
void InterfaceTable::VmInterfaceVrfSync(IFMapNode *node) {
if (agent_->cfg_listener()->SkipNode(node)) {
return;
}
// Walk the node to get neighbouring interface
IFMapAgentTable *table = static_cast<IFMapAgentTable *>(node->table());
for (DBGraphVertex::adjacency_iterator iter =
node->begin(table->GetGraph());
iter != node->end(table->GetGraph()); ++iter) {
IFMapNode *adj_node = static_cast<IFMapNode *>(iter.operator->());
if (agent_->cfg_listener()->SkipNode(adj_node)) {
continue;
}
if (adj_node->table() == agent_->cfg()->cfg_vm_interface_table()) {
DBRequest req;
if (IFNodeToReq(adj_node, req) == true) {
LOG(DEBUG, "Service VLAN SYNC for Port " << adj_node->name());
Enqueue(&req);
}
}
}
}
/////////////////////////////////////////////////////////////////////////////
// Routines to manage VmiToPhysicalDeviceVnTree
/////////////////////////////////////////////////////////////////////////////
VmiToPhysicalDeviceVnData::VmiToPhysicalDeviceVnData
(const boost::uuids::uuid &dev, const boost::uuids::uuid &vn) :
dev_(dev), vn_(vn) {
}
VmiToPhysicalDeviceVnData::~VmiToPhysicalDeviceVnData() {
}