/*
- * Copyright (C) 2014 SDN Hub, LLC.
+ * Copyright (c) 2014, 2015 SDN Hub, LLC. and others. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v1.0 which accompanies this distribution,
* and is available at http://www.eclipse.org/legal/epl-v10.html
- *
- * Authors : Srini Seetharaman
*/
package org.opendaylight.ovsdb.openstack.netvirt;
-import org.opendaylight.controller.networkconfig.neutron.INeutronLoadBalancerCRUD;
-import org.opendaylight.controller.networkconfig.neutron.INeutronLoadBalancerPoolCRUD;
-import org.opendaylight.controller.networkconfig.neutron.INeutronLoadBalancerPoolMemberAware;
-import org.opendaylight.controller.networkconfig.neutron.INeutronPortCRUD;
-import org.opendaylight.controller.networkconfig.neutron.NeutronLoadBalancer;
-import org.opendaylight.controller.networkconfig.neutron.NeutronLoadBalancerPool;
-import org.opendaylight.controller.networkconfig.neutron.NeutronLoadBalancerPoolMember;
-import org.opendaylight.controller.sal.core.Node;
-import org.opendaylight.controller.switchmanager.ISwitchManager;
+import java.net.HttpURLConnection;
+import java.util.List;
+import java.util.Map;
+
+import org.opendaylight.ovsdb.openstack.netvirt.translator.NeutronLoadBalancer;
+import org.opendaylight.ovsdb.openstack.netvirt.translator.NeutronLoadBalancerPool;
+import org.opendaylight.ovsdb.openstack.netvirt.translator.NeutronLoadBalancerPoolMember;
+import org.opendaylight.ovsdb.openstack.netvirt.translator.crud.INeutronLoadBalancerCRUD;
+import org.opendaylight.ovsdb.openstack.netvirt.translator.crud.INeutronLoadBalancerPoolCRUD;
+import org.opendaylight.ovsdb.openstack.netvirt.translator.crud.INeutronNetworkCRUD;
+import org.opendaylight.ovsdb.openstack.netvirt.translator.crud.INeutronPortCRUD;
+import org.opendaylight.ovsdb.openstack.netvirt.translator.crud.INeutronSubnetCRUD;
+import org.opendaylight.ovsdb.openstack.netvirt.translator.iaware.INeutronLoadBalancerPoolMemberAware;
import org.opendaylight.ovsdb.openstack.netvirt.api.Action;
+import org.opendaylight.ovsdb.openstack.netvirt.api.EventDispatcher;
import org.opendaylight.ovsdb.openstack.netvirt.api.LoadBalancerConfiguration;
import org.opendaylight.ovsdb.openstack.netvirt.api.LoadBalancerProvider;
+import org.opendaylight.ovsdb.openstack.netvirt.api.NodeCacheManager;
+import org.opendaylight.ovsdb.utils.servicehelper.ServiceHelper;
+import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
+
+import org.osgi.framework.ServiceReference;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.google.common.base.Preconditions;
-import java.net.HttpURLConnection;
-import java.util.List;
-
/**
* Handle requests for OpenStack Neutron v2.0 LBaaS API calls for
* /v2.0/pools/{pool_id}/members
*/
public class LBaaSPoolMemberHandler extends AbstractHandler
- implements INeutronLoadBalancerPoolMemberAware {
-
- private static final Logger logger = LoggerFactory.getLogger(LBaaSPoolMemberHandler.class);
+ implements INeutronLoadBalancerPoolMemberAware, ConfigInterface {
+ private static final Logger LOG = LoggerFactory.getLogger(LBaaSPoolMemberHandler.class);
// The implementation for each of these services is resolved by the OSGi Service Manager
private volatile INeutronLoadBalancerPoolCRUD neutronLBPoolCache;
private volatile INeutronLoadBalancerCRUD neutronLBCache;
- private volatile INeutronPortCRUD neutronPortsCache;
+ private volatile INeutronPortCRUD neutronPortCache;
+ private volatile INeutronNetworkCRUD neutronNetworkCache;
+ private volatile INeutronSubnetCRUD neutronSubnetCache;
private volatile LoadBalancerProvider loadBalancerProvider;
- private volatile ISwitchManager switchManager;
+ private volatile NodeCacheManager nodeCacheManager;
@Override
public int canCreateNeutronLoadBalancerPoolMember(NeutronLoadBalancerPoolMember neutronLBPoolMember) {
LoadBalancerConfiguration lbConfig = extractLBConfiguration(neutronLBPoolMember);
- if (lbConfig == null)
+ if (lbConfig == null) {
return HttpURLConnection.HTTP_BAD_REQUEST;
- else if (!lbConfig.isValid())
+ } else if (!lbConfig.isValid()) {
return HttpURLConnection.HTTP_NOT_ACCEPTABLE;
- else
+ } else {
return HttpURLConnection.HTTP_OK;
+ }
}
- /**
- * Assuming that the pool information is fully populated before this call is made,
- * we go with creating the LoadBalancerConfiguration object for this call with
- * all information that is necessary to insert flow_mods
- */
@Override
public void neutronLoadBalancerPoolMemberCreated(NeutronLoadBalancerPoolMember neutronLBPoolMember) {
- logger.debug("Neutron LB Pool Member Creation : {}", neutronLBPoolMember.toString());
+ LOG.debug("Neutron LB Pool Member Creation : {}", neutronLBPoolMember.toString());
enqueueEvent(new NorthboundEvent(neutronLBPoolMember, Action.ADD));
}
+ /**
+ * Assuming that the pool information is fully populated before this call is made,
+ * we go with creating the LoadBalancerConfiguration object for this call with
+ * all information that is necessary to insert flow_mods
+ */
private void doNeutronLoadBalancerPoolMemberCreate(NeutronLoadBalancerPoolMember neutronLBPoolMember) {
Preconditions.checkNotNull(loadBalancerProvider);
LoadBalancerConfiguration lbConfig = extractLBConfiguration(neutronLBPoolMember);
+ final List<Node> nodes =
+ nodeCacheManager.getBridgeNodes();
if (lbConfig == null) {
- logger.trace("Neutron LB configuration invalid for member {} ", neutronLBPoolMember.getPoolMemberAddress());
- }
- else if (!lbConfig.isValid()) {
- logger.trace("Neutron LB pool configuration invalid for {} ", lbConfig.getName());
+ LOG.debug("Neutron LB configuration invalid for member {} ", neutronLBPoolMember.getPoolMemberAddress());
+ } else if (lbConfig.getVip() == null) {
+ LOG.debug("Neutron LB VIP not created yet for member {} ", neutronLBPoolMember.getID());
+ } else if (!lbConfig.isValid()) {
+ LOG.debug("Neutron LB pool configuration invalid for {} ", lbConfig.getName());
+ } else if (nodes.isEmpty()) {
+ LOG.debug("Noop with LB pool member {} creation because no nodes available.", neutronLBPoolMember.getID());
} else {
- for (Node node: this.switchManager.getNodes())
- loadBalancerProvider.programLoadBalancerMemberRules(node, lbConfig,
- lbConfig.getMembers().get(neutronLBPoolMember.getPoolMemberID()), Action.ADD);
+ for (Node node : nodes) {
+ loadBalancerProvider.programLoadBalancerPoolMemberRules(node,
+ lbConfig,
+ lbConfig.getMembers().get(neutronLBPoolMember.getID()), Action.ADD);
+ }
}
}
@Override
public int canUpdateNeutronLoadBalancerPoolMember(NeutronLoadBalancerPoolMember delta, NeutronLoadBalancerPoolMember original) {
- return HttpURLConnection.HTTP_OK;
+ return HttpURLConnection.HTTP_NOT_IMPLEMENTED;
}
@Override
public void neutronLoadBalancerPoolMemberUpdated(NeutronLoadBalancerPoolMember neutronLBPoolMember) {
+ LOG.debug("Neutron LB Pool Member Update : {}", neutronLBPoolMember.toString());
enqueueEvent(new NorthboundEvent(neutronLBPoolMember, Action.UPDATE));
- return;
}
@Override
public int canDeleteNeutronLoadBalancerPoolMember(NeutronLoadBalancerPoolMember neutronLBPoolMember) {
LoadBalancerConfiguration lbConfig = extractLBConfiguration(neutronLBPoolMember);
- if (lbConfig == null)
+ if (lbConfig == null) {
return HttpURLConnection.HTTP_BAD_REQUEST;
- else if (!lbConfig.isValid())
+ } else if (!lbConfig.isValid()) {
return HttpURLConnection.HTTP_NOT_ACCEPTABLE;
- else
+ } else {
return HttpURLConnection.HTTP_OK;
+ }
}
@Override
public void neutronLoadBalancerPoolMemberDeleted(NeutronLoadBalancerPoolMember neutronLBPoolMember) {
- logger.debug("Neutron LB Pool Member Deletion : {}", neutronLBPoolMember.toString());
+ LOG.debug("Neutron LB Pool Member Deletion : {}", neutronLBPoolMember.toString());
enqueueEvent(new NorthboundEvent(neutronLBPoolMember, Action.DELETE));
}
private void doNeutronLoadBalancerPoolMemberDelete(NeutronLoadBalancerPoolMember neutronLBPoolMember) {
Preconditions.checkNotNull(loadBalancerProvider);
+
LoadBalancerConfiguration lbConfig = extractLBConfiguration(neutronLBPoolMember);
+ final List<Node> nodes = nodeCacheManager.getBridgeNodes();
if (lbConfig == null) {
- logger.trace("Neutron LB configuration invalid for member {} ", neutronLBPoolMember.getPoolMemberAddress());
- }
- else if (!lbConfig.isValid()) {
- logger.trace("Neutron LB pool configuration invalid for {} ", lbConfig.getName());
+ LOG.debug("Neutron LB configuration invalid for member {} ", neutronLBPoolMember.getPoolMemberAddress());
+ } else if (lbConfig.getVip() == null) {
+ LOG.debug("Neutron LB VIP not created yet for member {} ", neutronLBPoolMember.getID());
+ } else if (!lbConfig.isValid()) {
+ LOG.debug("Neutron LB pool configuration invalid for {} ", lbConfig.getName());
+ } else if (nodes.isEmpty()) {
+ LOG.debug("Noop with LB pool member {} deletion because no nodes available.", neutronLBPoolMember.getID());
} else {
- for (Node node: this.switchManager.getNodes())
- loadBalancerProvider.programLoadBalancerMemberRules(node, lbConfig,
- lbConfig.getMembers().get(neutronLBPoolMember.getPoolMemberID()), Action.DELETE);
+ /* As of now, deleting a member involves recomputing member indices.
+ * This is best done through a complete update of the load balancer instance.
+ */
+ LoadBalancerConfiguration newLBConfig = new LoadBalancerConfiguration(lbConfig);
+ newLBConfig.removeMember(neutronLBPoolMember.getID());
+
+ for (Node node : nodes) {
+ loadBalancerProvider.programLoadBalancerRules(node, lbConfig, Action.DELETE);
+ loadBalancerProvider.programLoadBalancerRules(node, newLBConfig, Action.ADD);
+ }
}
}
*/
@Override
public void processEvent(AbstractEvent abstractEvent) {
+ LOG.debug("Processing Loadbalancer member event {}", abstractEvent);
if (!(abstractEvent instanceof NorthboundEvent)) {
- logger.error("Unable to process abstract event " + abstractEvent);
+ LOG.error("Unable to process abstract event {}", abstractEvent);
return;
}
NorthboundEvent ev = (NorthboundEvent) abstractEvent;
switch (ev.getAction()) {
case ADD:
doNeutronLoadBalancerPoolMemberCreate(ev.getLoadBalancerPoolMember());
+ break;
case DELETE:
doNeutronLoadBalancerPoolMemberDelete(ev.getLoadBalancerPoolMember());
+ break;
case UPDATE:
/**
- * Currently member update requires delete and re-adding
- * Also, weights and weight updates are not supported
+ * Typical upgrade involves changing weights. Since weights are not
+ * supported yet, updates are not supported either. TODO
*/
- doNeutronLoadBalancerPoolMemberDelete(ev.getLoadBalancerPoolMember());
- doNeutronLoadBalancerPoolMemberCreate(ev.getLoadBalancerPoolMember());
+ LOG.warn("Load balancer pool member update is not supported");
break;
default:
- logger.warn("Unable to process event action " + ev.getAction());
+ LOG.warn("Unable to process event action {}", ev.getAction());
break;
}
}
/**
* Useful utility for extracting the loadbalancer instance
* configuration from the neutron LB cache based on member info
+ * @param neutronLBPoolMember Neutron LB pool member object
+ * @return load balancer configuration of the pool member
*/
public LoadBalancerConfiguration extractLBConfiguration(NeutronLoadBalancerPoolMember neutronLBPoolMember) {
+ String memberID = neutronLBPoolMember.getID();
String memberIP = neutronLBPoolMember.getPoolMemberAddress();
- String memberMAC = NeutronCacheUtils.getMacAddress(neutronPortsCache, memberIP);
- if (memberMAC == null)
- return null;
-
- String memberID = neutronLBPoolMember.getPoolMemberID();
+ String memberSubnetID = neutronLBPoolMember.getPoolMemberSubnetID();
Integer memberPort = neutronLBPoolMember.getPoolMemberProtoPort();
- String memberProtocol = null;
- boolean found = false;
-
- for (NeutronLoadBalancerPool neutronLBPool: neutronLBPoolCache.getAllNeutronLoadBalancerPools()) {
- List<? extends NeutronLoadBalancerPoolMember> members =
- (List<? extends NeutronLoadBalancerPoolMember>)neutronLBPool.getLoadBalancerPoolMembers();
- for (NeutronLoadBalancerPoolMember member: members) {
- //TODO: Allow member to be present in more than 1 pool
- if (member.getPoolMemberID().equals(neutronLBPoolMember.getPoolMemberID())) {
- found = true;
- memberProtocol = neutronLBPool.getLoadBalancerPoolProtocol();
- if (!(memberProtocol.equalsIgnoreCase(LoadBalancerConfiguration.PROTOCOL_HTTP) ||
- memberProtocol.equalsIgnoreCase(LoadBalancerConfiguration.PROTOCOL_HTTPS)))
- memberProtocol = null;
- break;
- }
- }
- if (found)
- break;
+ String memberPoolID = neutronLBPoolMember.getPoolID();
+
+ if (memberSubnetID == null || memberID == null || memberPoolID == null) {
+ LOG.debug("Neutron LB pool member details incomplete [id={}, pool_id={},subnet_id={}",
+ memberID, memberPoolID, memberSubnetID);
+ return null;
}
- if (memberProtocol == null)
+ String memberMAC = NeutronCacheUtils.getMacAddress(neutronPortCache, memberSubnetID, memberIP);
+ if (memberMAC == null) {
+ LOG.debug("Neutron LB pool member {} MAC address unavailable", memberID);
return null;
+ }
+ NeutronLoadBalancerPool neutronLBPool = neutronLBPoolCache.getNeutronLoadBalancerPool(memberPoolID);
+ if (neutronLBPool == null) {
+ LOG.debug("Neutron LB pool {} unavailable", memberPoolID);
+ return null;
+ }
+ String memberProtocol = neutronLBPool.getLoadBalancerPoolProtocol();
+ if (!(memberProtocol.equalsIgnoreCase(LoadBalancerConfiguration.PROTOCOL_TCP) ||
+ memberProtocol.equalsIgnoreCase(LoadBalancerConfiguration.PROTOCOL_HTTP) ||
+ memberProtocol.equalsIgnoreCase(LoadBalancerConfiguration.PROTOCOL_HTTPS))) {
+ return null;
+ }
- String loadBalancerSubnetID, loadBalancerVip, loadBalancerName;
+ String loadBalancerSubnetID=null, loadBalancerVip=null, loadBalancerName=null;
for (NeutronLoadBalancer neutronLB: neutronLBCache.getAllNeutronLoadBalancers()) {
loadBalancerSubnetID = neutronLB.getLoadBalancerVipSubnetID();
- if (neutronLBPoolMember.getPoolMemberSubnetID().equals(loadBalancerSubnetID)) {
+ if (memberSubnetID.equals(loadBalancerSubnetID)) {
loadBalancerName = neutronLB.getLoadBalancerName();
loadBalancerVip = neutronLB.getLoadBalancerVipAddress();
- LoadBalancerConfiguration lbConfig = new LoadBalancerConfiguration(loadBalancerName, loadBalancerVip);
- lbConfig.addMember(memberID, memberIP, memberMAC, memberProtocol, memberPort);
- return lbConfig;
+ break;
}
}
- return null;
+
+ /**
+ * It is possible that the VIP has not been created yet.
+ * In that case, we create dummy configuration that will not program rules.
+ */
+ LoadBalancerConfiguration lbConfig = new LoadBalancerConfiguration(loadBalancerName, loadBalancerVip);
+ Map.Entry<String,String> providerInfo = NeutronCacheUtils.getProviderInformation(neutronNetworkCache, neutronSubnetCache, memberSubnetID);
+ if (providerInfo != null) {
+ lbConfig.setProviderNetworkType(providerInfo.getKey());
+ lbConfig.setProviderSegmentationId(providerInfo.getValue());
+ }
+ lbConfig.setVmac(NeutronCacheUtils.getMacAddress(neutronPortCache, loadBalancerSubnetID, loadBalancerVip));
+
+ /* Extract all other active members and include in LB config
+ */
+ String otherMemberID, otherMemberSubnetID, otherMemberIP, otherMemberMAC, otherMemberProtocol;
+ Boolean otherMemberAdminStateIsUp;
+ Integer otherMemberPort;
+
+ for (NeutronLoadBalancerPoolMember otherMember: neutronLBPool.getLoadBalancerPoolMembers()) {
+ otherMemberID = otherMember.getID();
+ if (otherMemberID.equals(memberID)) {
+ continue; //skip
+ }
+
+ otherMemberIP = otherMember.getPoolMemberAddress();
+ otherMemberAdminStateIsUp = otherMember.getPoolMemberAdminStateIsUp();
+ otherMemberSubnetID = otherMember.getPoolMemberSubnetID();
+ otherMemberPort = otherMember.getPoolMemberProtoPort();
+ otherMemberProtocol = memberProtocol;
+
+ if (otherMemberIP != null && otherMemberSubnetID != null && otherMemberAdminStateIsUp != null &&
+ otherMemberAdminStateIsUp) {
+ otherMemberMAC = NeutronCacheUtils.getMacAddress(neutronPortCache, otherMemberSubnetID, otherMemberIP);
+ if (otherMemberMAC == null) {
+ continue;
+ }
+ lbConfig.addMember(otherMemberID, otherMemberIP, otherMemberMAC, otherMemberProtocol, otherMemberPort);
+ }
+ }
+
+ lbConfig.addMember(memberID, memberIP, memberMAC, memberProtocol, memberPort);
+ return lbConfig;
+ }
+
+ @Override
+ public void setDependencies(ServiceReference serviceReference) {
+ loadBalancerProvider =
+ (LoadBalancerProvider) ServiceHelper.getGlobalInstance(LoadBalancerProvider.class, this);
+ nodeCacheManager =
+ (NodeCacheManager) ServiceHelper.getGlobalInstance(NodeCacheManager.class, this);
+ eventDispatcher =
+ (EventDispatcher) ServiceHelper.getGlobalInstance(EventDispatcher.class, this);
+ eventDispatcher.eventHandlerAdded(serviceReference, this);
+ }
+
+ @Override
+ public void setDependencies(Object impl) {
+ if (impl instanceof INeutronNetworkCRUD) {
+ neutronNetworkCache = (INeutronNetworkCRUD)impl;
+ } else if (impl instanceof INeutronPortCRUD) {
+ neutronPortCache = (INeutronPortCRUD)impl;
+ } else if (impl instanceof INeutronSubnetCRUD) {
+ neutronSubnetCache = (INeutronSubnetCRUD)impl;
+ } else if (impl instanceof INeutronLoadBalancerCRUD) {
+ neutronLBCache = (INeutronLoadBalancerCRUD)impl;
+ } else if (impl instanceof INeutronLoadBalancerPoolCRUD) {
+ neutronLBPoolCache = (INeutronLoadBalancerPoolCRUD)impl;
+ } else if (impl instanceof LoadBalancerProvider) {
+ loadBalancerProvider = (LoadBalancerProvider)impl;
+ }
}
}