openstack/net-virt/src/main/java/org/opendaylight/netvirt/openstack/netvirt/impl/HostConfigService.java

   1 /*
   2  * Copyright (c) 2016 Intel Corporation.  All rights reserved.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  */
   8
   9 package org.opendaylight.netvirt.openstack.netvirt.impl;
  10
  11 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  12 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  13 import org.opendaylight.netvirt.openstack.netvirt.ClusterAwareMdsalUtils;
  14 import org.opendaylight.netvirt.openstack.netvirt.ConfigInterface;
  15 import org.opendaylight.netvirt.openstack.netvirt.api.Action;
  16 import org.opendaylight.netvirt.openstack.netvirt.api.OvsdbInventoryListener;
  17 import org.opendaylight.netvirt.openstack.netvirt.api.OvsdbInventoryService;
  18 import org.opendaylight.netvirt.openstack.netvirt.api.Southbound;
  19 import org.opendaylight.netvirt.openstack.netvirt.api.OvsdbTables;
  20 import org.opendaylight.netvirt.utils.servicehelper.ServiceHelper;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.hostconfig.rev150712.hostconfig.attributes.Hostconfigs;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.hostconfig.rev150712.hostconfig.attributes.hostconfigs.Hostconfig;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.rev150712.Neutron;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbNodeAugmentation;
  25 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.hostconfig.rev150712.hostconfig.attributes.hostconfigs.HostconfigBuilder;
  27 import org.opendaylight.yangtools.yang.binding.DataObject;
  28 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  29 import org.osgi.framework.ServiceReference;
  30 import org.slf4j.Logger;
  31 import org.slf4j.LoggerFactory;
  32
  33 import java.util.List;
  34
  35
  36 public class HostConfigService implements OvsdbInventoryListener, ConfigInterface {
  37     private static final Logger LOG = LoggerFactory.getLogger(HostConfigService.class);
  38
  39     private static final String OS_HOST_CONFIG_HOST_ID_KEY = "odl_os_hostconfig_hostid";
  40     private static final String OS_HOST_CONFIG_HOST_TYPE_KEY = "odl_os_hostconfig_hosttype";
  41     private static final String OS_HOST_CONFIG_CONFIG_KEY = "odl_os_hostconfig_config";
  42
  43     private final DataBroker databroker;
  44     private final ClusterAwareMdsalUtils mdsalUtils;
  45     private volatile OvsdbInventoryService ovsdbInventoryService;
  46     private volatile Southbound southbound;
  47
  48     public HostConfigService(DataBroker dataBroker) {
  49         this.databroker = dataBroker;
  50         mdsalUtils = new ClusterAwareMdsalUtils(dataBroker);
  51     }
  52
  53     @Override
  54     public void ovsdbUpdate(Node node, DataObject resourceAugmentationData, OvsdbType ovsdbType, Action action) {
  55         boolean result;
  56         Hostconfig hostConfig;
  57         InstanceIdentifier<Hostconfig> hostConfigId;
  58
  59         if (ovsdbType != OvsdbType.NODE) {
  60             return;
  61         }
  62         hostConfig = buildHostConfigInfo(node);
  63         if (hostConfig == null) {
  64               return;
  65         }
  66         LOG.trace("ovsdbUpdate: {} - {} - <<{}>> <<{}>>", ovsdbType, action, node, resourceAugmentationData);
  67         switch (action) {
  68             case ADD:
  69             case UPDATE:
  70                     hostConfigId = createInstanceIdentifier(hostConfig);
  71                     result = mdsalUtils.put(LogicalDatastoreType.OPERATIONAL, hostConfigId, hostConfig);
  72                     LOG.trace("Add Node: result: {}", result);
  73                 break;
  74             case DELETE:
  75                     hostConfigId = createInstanceIdentifier(hostConfig);
  76                     result = mdsalUtils.delete(LogicalDatastoreType.OPERATIONAL, hostConfigId);
  77                     LOG.trace("Delete Node: result: {}", result);
  78                 break;
  79         }
  80     }
  81
  82     @Override
  83     public void triggerUpdates() {
  84         List<Node> ovsdbNodes = southbound.readOvsdbTopologyNodes();
  85         for (Node node : ovsdbNodes) {
  86             ovsdbUpdate(node, node.getAugmentation(OvsdbNodeAugmentation.class),
  87                     OvsdbInventoryListener.OvsdbType.NODE, Action.ADD);
  88         }
  89     }
  90
  91     private Hostconfig buildHostConfigInfo(Node node) {
  92         HostconfigBuilder hostconfigBuilder = new HostconfigBuilder();
  93         String value;
  94
  95         value = southbound.getExternalId(node, OvsdbTables.OPENVSWITCH, OS_HOST_CONFIG_HOST_ID_KEY);
  96         if (value == null){
  97             return null;
  98         }
  99         hostconfigBuilder.setHostId(value);
 100         value = southbound.getExternalId(node, OvsdbTables.OPENVSWITCH, OS_HOST_CONFIG_HOST_TYPE_KEY);
 101         if (value == null) {
 102             return null;
 103         }
 104         hostconfigBuilder.setHostType(value);
 105         value = southbound.getExternalId(node, OvsdbTables.OPENVSWITCH, OS_HOST_CONFIG_CONFIG_KEY);
 106         if (value == null) {
 107             return null;
 108         }
 109         hostconfigBuilder.setConfig(value);
 110         return hostconfigBuilder.build();
 111     }
 112
 113     private InstanceIdentifier<Hostconfig> createInstanceIdentifier() {
 114         return InstanceIdentifier.create(Neutron.class)
 115                 .child(Hostconfigs.class)
 116                 .child(Hostconfig.class);
 117     }
 118
 119     private InstanceIdentifier<Hostconfig> createInstanceIdentifier(Hostconfig hostconfig) {
 120         return InstanceIdentifier.create(Neutron.class)
 121                 .child(Hostconfigs.class)
 122                 .child(Hostconfig.class, hostconfig.getKey());
 123     }
 124
 125     @Override
 126     public void setDependencies(ServiceReference serviceReference) {
 127         southbound =
 128                 (Southbound) ServiceHelper.getGlobalInstance(Southbound.class, this);
 129         ovsdbInventoryService =
 130                 (OvsdbInventoryService) ServiceHelper.getGlobalInstance(OvsdbInventoryService.class, this);
 131         ovsdbInventoryService.listenerAdded(this);
 132     }
 133
 134     @Override
 135     public void setDependencies(Object impl) {
 136     }
 137 }