+++ /dev/null
-/*******************************************************************************
- * ============LICENSE_START=======================================================
- * ONAP : ccsdk feature sdnr wt
- * ================================================================================
- * Copyright (C) 2019 highstreet technologies GmbH Intellectual Property.
- * All rights reserved.
- * ================================================================================
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- * ============LICENSE_END=========================================================
- ******************************************************************************/
-package org.onap.ccsdk.features.sdnr.wt.devicemanager.housekeeping;
-
-import com.google.common.util.concurrent.FluentFuture;
-import com.google.common.util.concurrent.Futures;
-import com.google.common.util.concurrent.ListenableFuture;
-import java.util.List;
-import java.util.NoSuchElementException;
-import java.util.Optional;
-import java.util.concurrent.ExecutionException;
-import java.util.concurrent.Executors;
-import java.util.concurrent.Future;
-import java.util.concurrent.ScheduledExecutorService;
-import java.util.concurrent.TimeUnit;
-import java.util.concurrent.TimeoutException;
-import org.eclipse.jdt.annotation.NonNull;
-import org.onap.ccsdk.features.sdnr.wt.base.netconf.util.InternalConnectionStatus;
-import org.onap.ccsdk.features.sdnr.wt.dataprovider.model.DataProvider;
-import org.opendaylight.mdsal.binding.api.DataBroker;
-import org.opendaylight.mdsal.common.api.LogicalDatastoreType;
-import org.opendaylight.mdsal.singleton.common.api.ClusterSingletonService;
-import org.opendaylight.mdsal.singleton.common.api.ServiceGroupIdentifier;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.netconf.node.topology.rev150114.NetconfNode;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.netconf.node.topology.rev150114.network.topology.topology.topology.types.TopologyNetconf;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev190801.ConnectionLogStatus;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev190801.NetworkElementConnectionBuilder;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.data.provider.rev190801.NetworkElementConnectionEntity;
-import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NetworkTopology;
-import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NodeId;
-import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.TopologyId;
-import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.Topology;
-import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.TopologyKey;
-import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
-import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.NodeKey;
-import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-public class ConnectionStatusHousekeepingService implements ClusterSingletonService,AutoCloseable {
-
- private static final Logger LOG = LoggerFactory.getLogger(ConnectionStatusHousekeepingService.class);
-
- private static final long INTERVAL_SECONDS = 30;
- private static final InstanceIdentifier<Topology> NETCONF_TOPO_IID = InstanceIdentifier
- .create(NetworkTopology.class)
- .child(Topology.class, new TopologyKey(new TopologyId(TopologyNetconf.QNAME.getLocalName())));
- private static final ServiceGroupIdentifier IDENT = ServiceGroupIdentifier.create("ConnectionStatusHousekeepingService");
-
- private final ScheduledExecutorService scheduler = Executors.newScheduledThreadPool(3);
- private final DataBroker dataBroker;
- private final DataProvider dataProvider;
- private boolean isMaster;
- private Future<?> taskReference;
-
- private final Runnable runner = () -> doClean();
-
- public ConnectionStatusHousekeepingService(DataBroker dataBroker, DataProvider dataProvider) {
- this.dataBroker = dataBroker;
- this.dataProvider = dataProvider;
- this.start();
- }
-
- public void start() {
- if (taskReference != null) {
- taskReference.cancel(false);
- }
- if(!isMaster) {
- LOG.info("do not start. not the master node");
- return;
- }
- LOG.info("starting scheduler with interval {}", INTERVAL_SECONDS);
- this.taskReference = this.scheduler.scheduleAtFixedRate(runner, INTERVAL_SECONDS, INTERVAL_SECONDS,
- TimeUnit.SECONDS);
- }
-
- private void doClean() {
- LOG.debug("start housekeeping");
- // get all devices from networkelement-connection index
- try {
- List<NetworkElementConnectionEntity> list = this.dataProvider.getNetworkElementConnections();
-
- ConnectionLogStatus dbStatus;
- ConnectionLogStatus mdsalStatus;
- String nodeId;
- if (list == null || list.size() <= 0) {
- LOG.trace("no items in list.");
- return;
- }
- for (NetworkElementConnectionEntity item : list) {
-
- // compare with MD-SAL
- nodeId = item.getNodeId();
- LOG.trace("check status of {}", nodeId);
- dbStatus = item.getStatus();
- mdsalStatus = this.getMDSalConnectionStatus(nodeId);
- if (mdsalStatus == null) {
- LOG.trace("unable to get connection status. jump over");
- continue;
- }
- // if different then update db
- if (dbStatus != mdsalStatus) {
- LOG.trace("status is inconsistent db={}, mdsal={}. updating db", dbStatus, mdsalStatus);
- if(!item.isIsRequired() && mdsalStatus==ConnectionLogStatus.Disconnected) {
- this.dataProvider.removeNetworkConnection(nodeId);
- }
- else {
- this.dataProvider.updateNetworkConnectionDeviceType(
- new NetworkElementConnectionBuilder().setStatus(mdsalStatus).build(), nodeId);
- }
- } else {
- LOG.trace("no difference");
- }
-
- }
- } catch (Exception e) {
- LOG.warn("problem executing housekeeping task: {}", e);
- }
- LOG.debug("finish housekeeping");
- }
-
- private ConnectionLogStatus getMDSalConnectionStatus(String nodeId) {
-
- @SuppressWarnings("null")
- @NonNull InstanceIdentifier<Node> instanceIdentifier = NETCONF_TOPO_IID.child(Node.class,
- new NodeKey(new NodeId(nodeId)));
- FluentFuture<Optional<Node>> optionalNode = this.dataBroker.newReadOnlyTransaction()
- .read(LogicalDatastoreType.OPERATIONAL, instanceIdentifier);
- try {
- Node node = optionalNode.get(5, TimeUnit.SECONDS).get();
- LOG.debug("node is {}", node);
- NetconfNode nNode = node.augmentation(NetconfNode.class);
- LOG.debug("nnode is {}", nNode);
- if (nNode != null) {
- return InternalConnectionStatus.statusFromNodeStatus(nNode.getConnectionStatus());
- }
- } catch (NoSuchElementException e) {
- return ConnectionLogStatus.Disconnected;
- } catch (ExecutionException | InterruptedException | TimeoutException e) {
- LOG.warn("unable to get node info: {}", e);
- }
-
- return null;
- }
-
- @Override
- public void close() throws Exception {
- if (taskReference != null) {
- taskReference.cancel(false);
- }
- this.scheduler.shutdown();
- }
-
- @SuppressWarnings("null")
- @Override
- public @NonNull ServiceGroupIdentifier getIdentifier() {
- return IDENT;
- }
-
- @Override
- public void instantiateServiceInstance() {
- LOG.info("We take Leadership");
- this.isMaster=true;
- this.start();
- }
-
- @Override
- public ListenableFuture<? extends Object> closeServiceInstance() {
- LOG.info("We lost Leadership");
- this.isMaster=false;
- this.start();
- return Futures.immediateFuture(null);
- }
-}