/**
* Returns first vlan in vlanRange that is free in given interface of given router, and it's not
* in given suggestedVLANs. After this call, returned vlan is already included in suggestedVLANs.
*
* @param phyElement
* @param phyIface
* @param suggestedVLANs
* @return
* @return first vlan in vlanRange that is free in given interface of given router, and it's not
* in given suggestedVLANs
* @throws VCPENetworkManagerException if there is no available vlan in specified vlanRange
*/
public static int suggestVLAN(
VCPENetworkElement phyElement, Interface phyIface, SuggestedValues suggestedVLANs)
throws VCPENetworkManagerException {
List<Integer> candidates = getVLANs(phyElement, phyIface);
Integer selectedVlan = null;
for (Integer vlan : candidates) {
if (!suggestedVLANs.isAlreadySuggested(
VCPENetworkModelHelper.generatePhysicalInterfaceKey(phyElement, phyIface), vlan)) {
if (IsFreeChecker.isVLANFree(
null,
phyElement.getName(),
Integer.toString(vlan),
phyIface.getPhysicalInterfaceName())) {
selectedVlan = vlan;
break;
}
}
}
if (selectedVlan == null)
throw new VCPENetworkManagerException(
"Unable to find an available vlan for interface "
+ VCPENetworkModelHelper.generatePhysicalInterfaceKey(phyElement, phyIface));
suggestedVLANs.markAsSuggested(
VCPENetworkModelHelper.generatePhysicalInterfaceKey(phyElement, phyIface), selectedVlan);
return selectedVlan;
}
/**
* Sets iface vlan according to the other endpoint of given link.
*
* @param phyElement
* @param iface
* @param link
* @param suggestedVLANS
*/
private void updateIfaceVLANFromLink(
VCPENetworkElement phyElement, Interface iface, Link link, SuggestedValues suggestedVLANs) {
long vlan = VCPENetworkModelHelper.updateIfaceVLANFromLink(iface, link);
suggestedVLANs.markAsSuggested(
VCPENetworkModelHelper.generatePhysicalInterfaceKey(phyElement, iface),
Long.valueOf(vlan).intValue());
}
private VCPENetworkModel hierarchicalLRnames(VCPENetworkModel model) {
for (LogicalRouter lr :
Iterables.filter(
VCPENetworkModelHelper.getRouters(model.getElements()), LogicalRouter.class)) {
lr.setName(model.getName() + "-" + lr.getName());
}
return model;
}
private VCPENetworkModel configureRouting(VCPENetworkModel model) {
// reset routing configuration for LRs
for (LogicalRouter lr :
Iterables.filter(
VCPENetworkModelHelper.getRouters(model.getElements()), LogicalRouter.class)) {
lr.setRoutingConfiguration(new RoutingConfiguration());
}
configureStaticRoutes(model);
return model;
}
/**
* Copies data in elements from given source to elements in given destination with same
* templateName. No element is created within this method. Does not copy references to other
* elements (interfaces, physicalRouter, etc.)
*
* @param source
* @param destination
* @return destination updated with values in source.
*/
private VCPENetworkModel partialCopy(VCPENetworkModel source, VCPENetworkModel destination) {
destination.setName(source.getName());
destination.setId(source.getId());
VCPENetworkElement dstElement;
for (VCPENetworkElement srcElement : source.getElements()) {
dstElement =
VCPENetworkModelHelper.getElementByTemplateName(
destination.getElements(), srcElement.getTemplateName());
if (dstElement != null) {
dstElement.setName(srcElement.getName());
if (srcElement instanceof Interface && dstElement instanceof Interface) {
VCPENetworkModelHelper.copyInterface((Interface) dstElement, (Interface) srcElement);
} else if (srcElement instanceof IPNetworkDomain && dstElement instanceof IPNetworkDomain) {
((IPNetworkDomain) dstElement).setOwner(((IPNetworkDomain) srcElement).getOwner());
((IPNetworkDomain) dstElement).setASNumber(((IPNetworkDomain) srcElement).getASNumber());
((IPNetworkDomain) dstElement)
.setIPAddressRanges(((IPNetworkDomain) srcElement).getIPAddressRanges());
}
}
}
return destination;
}
public static int suggestVLANWithPreference(
VCPENetworkElement phyElement,
Interface phyIface,
SuggestedValues suggestedVLANs,
int preferredVlan)
throws VCPENetworkManagerException {
if (!suggestedVLANs.isAlreadySuggested(
VCPENetworkModelHelper.generatePhysicalInterfaceKey(phyElement, phyIface), preferredVlan)) {
if (IsFreeChecker.isVLANFree(
null,
phyElement.getName(),
Integer.toString(preferredVlan),
phyIface.getPhysicalInterfaceName())) {
suggestedVLANs.markAsSuggested(
VCPENetworkModelHelper.generatePhysicalInterfaceKey(phyElement, phyIface),
preferredVlan);
return preferredVlan;
}
}
return suggestVLAN(phyElement, phyIface, suggestedVLANs);
}
/**
* Creates MP-template required static routes in given model.
*
* <p>Creates following static routes:
*
* <p>in LR1: <br>
* static route LAN_CLIENT.getIPAddressRange() next-hop LR_CLIENT_IFACE_UP1.getIPAddress()
* (through LR_1_IFACE_DOWN) <br>
* static route 0.0.0.0/0 next-hop WAN1_IFACE_DOWN.getIPAddress() (through LR_1_IFACE_UP) <br>
* in LR2: <br>
* static route LAN_CLIENT.getIPAddressRange() next-hop LR_CLIENT_IFACE_UP2.getIPAddress()
* (through LR_2_IFACE_DOWN) <br>
* static route 0.0.0.0/0 next-hop WAN2_IFACE_DOWN.getIPAddress() (through LR_2_IFACE_UP) <br>
* in LR_CLIENT: <br>
* static route LAN_CLIENT.getIPAddressRange() next-hop LAN_CLIENT_IFACE_UP.getIPAddress()
* (through LR_CLIENT_IFACE_DOWN) <br>
* static route WAN1.getIPAddressRange() next-hop LR_1_IFACE_DOWN.getIPAddress() (through
* LR_CLIENT_IFACE_UP1) <br>
* static route WAN2.getIPAddressRange() next-hop LR_2_IFACE_DOWN.getIPAddress() (through
* LR_CLIENT_IFACE_UP2) <br>
* static route 0.0.0.0/0 next-hop LR_1_IFACE_DOWN.getIPAddress() (through LR_CLIENT_IFACE_UP1)
* //default provider is WAN1 <br>
* Documented in issue OPENNAAS-869.
*
* @param model
* @return given model with required static routes included
*/
private VCPENetworkModel configureStaticRoutes(VCPENetworkModel model) {
String allRoutes = "0.0.0.0/0";
RoutingConfiguration config;
List<String> clientIPRanges =
((IPNetworkDomain)
VCPENetworkModelHelper.getElementByTemplateName(
model, TemplateConstants.LAN_CLIENT))
.getIPAddressRanges();
List<String> wan1IPRanges =
((IPNetworkDomain)
VCPENetworkModelHelper.getElementByTemplateName(model, TemplateConstants.WAN1))
.getIPAddressRanges();
List<String> wan2IPRanges =
((IPNetworkDomain)
VCPENetworkModelHelper.getElementByTemplateName(model, TemplateConstants.WAN2))
.getIPAddressRanges();
// LR_1
config =
((Router)
VCPENetworkModelHelper.getElementByTemplateName(
model, TemplateConstants.LR_1_ROUTER))
.getRoutingConfiguration();
config.setStaticRoutes(new ArrayList<StaticRouteConfiguration>(2));
// static route LAN_CLIENT.getIPAddressRange() next-hop LR_CLIENT_IFACE_UP1.getIPAddress()
// (through LR_1_IFACE_DOWN)
for (String ipRange : clientIPRanges) {
config
.getStaticRoutes()
.add(
new StaticRouteConfiguration(
ipRange,
((Interface)
VCPENetworkModelHelper.getElementByTemplateName(
model, TemplateConstants.LR_CLIENT_IFACE_UP1))
.getIpAddress(),
false));
}
// static route 0.0.0.0/0 next-hop WAN1_IFACE_DOWN.getIPAddress() (through LR_1_IFACE_UP)
config
.getStaticRoutes()
.add(
new StaticRouteConfiguration(
allRoutes,
((Interface)
VCPENetworkModelHelper.getElementByTemplateName(
model, TemplateConstants.WAN1_IFACE_DOWN))
.getIpAddress(),
false));
// LR_2
config =
((Router)
VCPENetworkModelHelper.getElementByTemplateName(
model, TemplateConstants.LR_2_ROUTER))
.getRoutingConfiguration();
config.setStaticRoutes(new ArrayList<StaticRouteConfiguration>(2));
// static route LAN_CLIENT.getIPAddressRange() next-hop LR_CLIENT_IFACE_UP2.getIPAddress()
// (through LR_2_IFACE_DOWN)
for (String ipRange : clientIPRanges) {
config
.getStaticRoutes()
.add(
new StaticRouteConfiguration(
ipRange,
((Interface)
VCPENetworkModelHelper.getElementByTemplateName(
model, TemplateConstants.LR_CLIENT_IFACE_UP2))
.getIpAddress(),
false));
}
// static route 0.0.0.0/0 next-hop WAN2_IFACE_DOWN.getIPAddress() (through LR_2_IFACE_UP)
config
.getStaticRoutes()
.add(
new StaticRouteConfiguration(
allRoutes,
((Interface)
VCPENetworkModelHelper.getElementByTemplateName(
model, TemplateConstants.WAN2_IFACE_DOWN))
.getIpAddress(),
false));
// LR_CLIENT
config =
((Router)
VCPENetworkModelHelper.getElementByTemplateName(
model, TemplateConstants.LR_CLIENT_ROUTER))
.getRoutingConfiguration();
config.setStaticRoutes(new ArrayList<StaticRouteConfiguration>(4));
// static route LAN_CLIENT.getIPAddressRange() next-hop LAN_CLIENT_IFACE_UP.getIPAddress()
// (through LR_CLIENT_IFACE_DOWN)
for (String ipRange : clientIPRanges) {
config
.getStaticRoutes()
.add(
new StaticRouteConfiguration(
ipRange,
((Interface)
VCPENetworkModelHelper.getElementByTemplateName(
model, TemplateConstants.LAN_CLIENT_IFACE_UP))
.getIpAddress(),
false));
}
// static route WAN1.getIPAddressRange() next-hop LR_1_IFACE_DOWN.getIPAddress() (through
// LR_CLIENT_IFACE_UP1)
for (String ipRange : wan1IPRanges) {
config
.getStaticRoutes()
.add(
new StaticRouteConfiguration(
ipRange,
((Interface)
VCPENetworkModelHelper.getElementByTemplateName(
model, TemplateConstants.LR_1_IFACE_DOWN))
.getIpAddress(),
false));
}
// static route WAN2.getIPAddressRange() next-hop LR_2_IFACE_DOWN.getIPAddress() (through
// LR_CLIENT_IFACE_UP2)
for (String ipRange : wan2IPRanges) {
config
.getStaticRoutes()
.add(
new StaticRouteConfiguration(
ipRange,
((Interface)
VCPENetworkModelHelper.getElementByTemplateName(
model, TemplateConstants.LR_2_IFACE_DOWN))
.getIpAddress(),
false));
}
// static route 0.0.0.0/0 next-hop LR_1_IFACE_DOWN.getIPAddress() (through LR_CLIENT_IFACE_UP1)
// //default provider is WAN1
config
.getStaticRoutes()
.add(
new StaticRouteConfiguration(
allRoutes,
((Interface)
VCPENetworkModelHelper.getElementByTemplateName(
model, TemplateConstants.LR_1_IFACE_DOWN))
.getIpAddress(),
false));
return model;
}
private VCPENetworkModel suggestVLANs(
VCPENetworkModel physicalModel, VCPENetworkModel logicalModel) {
Integer vlan;
VCPENetworkElement phyElement;
Interface phyIface;
Interface target;
SuggestedValues suggestedVLANs = new SuggestedValues();
// suggest VLANs for router interfaces
phyElement =
(Router)
VCPENetworkModelHelper.getElementByTemplateName(
physicalModel, TemplateConstants.ROUTER_1_PHY);
phyIface =
(Interface)
VCPENetworkModelHelper.getElementByTemplateName(
physicalModel, TemplateConstants.ROUTER_1_PHY_IFACE_UP1);
target =
(Interface)
VCPENetworkModelHelper.getElementByTemplateName(
logicalModel, TemplateConstants.LR_1_IFACE_UP);
vlan =
VLANSuggestor.suggestVLANWithPreference(
phyElement, phyIface, suggestedVLANs, Long.valueOf(target.getVlan()).intValue());
target.setVlan(vlan);
phyElement =
(Router)
VCPENetworkModelHelper.getElementByTemplateName(
physicalModel, TemplateConstants.ROUTER_1_PHY);
phyIface =
(Interface)
VCPENetworkModelHelper.getElementByTemplateName(
physicalModel, TemplateConstants.ROUTER_1_PHY_IFACE_UP2);
target =
(Interface)
VCPENetworkModelHelper.getElementByTemplateName(
logicalModel, TemplateConstants.LR_2_IFACE_UP);
vlan =
VLANSuggestor.suggestVLANWithPreference(
phyElement, phyIface, suggestedVLANs, Long.valueOf(target.getVlan()).intValue());
target.setVlan(vlan);
phyElement =
(Router)
VCPENetworkModelHelper.getElementByTemplateName(
physicalModel, TemplateConstants.ROUTER_1_PHY);
phyIface =
(Interface)
VCPENetworkModelHelper.getElementByTemplateName(
physicalModel, TemplateConstants.ROUTER_1_PHY_IFACE_DOWN);
target =
(Interface)
VCPENetworkModelHelper.getElementByTemplateName(
logicalModel, TemplateConstants.LR_CLIENT_IFACE_DOWN);
vlan =
VLANSuggestor.suggestVLANWithPreference(
phyElement, phyIface, suggestedVLANs, Long.valueOf(target.getVlan()).intValue());
target.setVlan(vlan);
// update other endpoints of links with same vlans
Link link;
IPNetworkDomain net;
target =
(Interface)
VCPENetworkModelHelper.getElementByTemplateName(
logicalModel, TemplateConstants.WAN1_IFACE_DOWN);
link =
(Link)
VCPENetworkModelHelper.getElementByTemplateName(
logicalModel, TemplateConstants.LINK_WAN1);
net =
(IPNetworkDomain)
VCPENetworkModelHelper.getElementByTemplateName(logicalModel, TemplateConstants.WAN1);
// Passing a logical element where a physical one is expected
updateIfaceVLANFromLink(net, target, link, suggestedVLANs);
target =
(Interface)
VCPENetworkModelHelper.getElementByTemplateName(
logicalModel, TemplateConstants.WAN2_IFACE_DOWN);
link =
(Link)
VCPENetworkModelHelper.getElementByTemplateName(
logicalModel, TemplateConstants.LINK_WAN2);
net =
(IPNetworkDomain)
VCPENetworkModelHelper.getElementByTemplateName(logicalModel, TemplateConstants.WAN2);
// Passing a logical element where a physical one is expected
updateIfaceVLANFromLink(net, target, link, suggestedVLANs);
target =
(Interface)
VCPENetworkModelHelper.getElementByTemplateName(
logicalModel, TemplateConstants.LAN_CLIENT_IFACE_UP);
link =
(Link)
VCPENetworkModelHelper.getElementByTemplateName(
logicalModel, TemplateConstants.LINK_LAN_CLIENT);
net =
(IPNetworkDomain)
VCPENetworkModelHelper.getElementByTemplateName(
logicalModel, TemplateConstants.LAN_CLIENT);
// Passing a logical element where a physical one is expected
updateIfaceVLANFromLink(net, target, link, suggestedVLANs);
return logicalModel;
}
private VCPENetworkModel suggestUnits(
VCPENetworkModel physicalModel, VCPENetworkModel logicalModel) {
VCPENetworkElement phyElement;
IPNetworkDomain net;
Interface target;
Integer unit;
SuggestedValues suggestedUnits = new SuggestedValues();
// Suggest units from vlans
phyElement =
(Router)
VCPENetworkModelHelper.getElementByTemplateName(
physicalModel, TemplateConstants.ROUTER_1_PHY);
target =
(Interface)
VCPENetworkModelHelper.getElementByTemplateName(
logicalModel, TemplateConstants.LR_1_IFACE_UP);
unit = UnitSuggestor.suggestUnitFromVLAN(phyElement, target, suggestedUnits);
target.setPort(unit);
target =
(Interface)
VCPENetworkModelHelper.getElementByTemplateName(
logicalModel, TemplateConstants.LR_2_IFACE_UP);
unit = UnitSuggestor.suggestUnitFromVLAN(phyElement, target, suggestedUnits);
target.setPort(unit);
target =
(Interface)
VCPENetworkModelHelper.getElementByTemplateName(
logicalModel, TemplateConstants.LR_CLIENT_IFACE_DOWN);
unit = UnitSuggestor.suggestUnitFromVLAN(phyElement, target, suggestedUnits);
target.setPort(unit);
net =
(IPNetworkDomain)
VCPENetworkModelHelper.getElementByTemplateName(logicalModel, TemplateConstants.WAN1);
target =
(Interface)
VCPENetworkModelHelper.getElementByTemplateName(
logicalModel, TemplateConstants.WAN1_IFACE_DOWN);
unit = UnitSuggestor.suggestUnitFromVLAN(net, target, suggestedUnits);
target.setPort(unit);
net =
(IPNetworkDomain)
VCPENetworkModelHelper.getElementByTemplateName(logicalModel, TemplateConstants.WAN2);
target =
(Interface)
VCPENetworkModelHelper.getElementByTemplateName(
logicalModel, TemplateConstants.WAN2_IFACE_DOWN);
unit = UnitSuggestor.suggestUnitFromVLAN(net, target, suggestedUnits);
target.setPort(unit);
net =
(IPNetworkDomain)
VCPENetworkModelHelper.getElementByTemplateName(
logicalModel, TemplateConstants.LAN_CLIENT);
target =
(Interface)
VCPENetworkModelHelper.getElementByTemplateName(
logicalModel, TemplateConstants.LAN_CLIENT_IFACE_UP);
unit = UnitSuggestor.suggestUnitFromVLAN(net, target, suggestedUnits);
target.setPort(unit);
// Suggest units for LTs
Link lt1 =
(Link)
VCPENetworkModelHelper.getElementByTemplateName(
logicalModel, TemplateConstants.LINK_LR_1_LR_CLIENT);
Link lt2 =
(Link)
VCPENetworkModelHelper.getElementByTemplateName(
logicalModel, TemplateConstants.LINK_LR_2_LR_CLIENT);
lt1.getSource().setPort(UnitSuggestor.suggestUnit(phyElement, lt1.getSource(), suggestedUnits));
lt1.getSink().setPort(UnitSuggestor.suggestUnit(phyElement, lt1.getSink(), suggestedUnits));
lt2.getSource().setPort(UnitSuggestor.suggestUnit(phyElement, lt2.getSource(), suggestedUnits));
lt2.getSink().setPort(UnitSuggestor.suggestUnit(phyElement, lt2.getSink(), suggestedUnits));
// Suggest units for LOs
target =
(Interface)
VCPENetworkModelHelper.getElementByTemplateName(
logicalModel, TemplateConstants.LR_1_IFACE_LO);
target.setPort(UnitSuggestor.suggestUnit(phyElement, target, suggestedUnits));
target =
(Interface)
VCPENetworkModelHelper.getElementByTemplateName(
logicalModel, TemplateConstants.LR_2_IFACE_LO);
target.setPort(UnitSuggestor.suggestUnit(phyElement, target, suggestedUnits));
target =
(Interface)
VCPENetworkModelHelper.getElementByTemplateName(
logicalModel, TemplateConstants.LR_CLIENT_IFACE_LO);
target.setPort(UnitSuggestor.suggestUnit(phyElement, target, suggestedUnits));
return logicalModel;
}