2 * Copyright (c) 2016 Cisco Systems, Inc. and others. All rights reserved.
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
9 package org.opendaylight.groupbasedpolicy.sxp_ise_adapter.impl;
11 import com.google.common.util.concurrent.CheckedFuture;
12 import com.google.common.util.concurrent.FutureCallback;
13 import com.google.common.util.concurrent.Futures;
14 import com.google.common.util.concurrent.ListenableFuture;
15 import com.google.common.util.concurrent.ThreadFactoryBuilder;
16 import java.text.SimpleDateFormat;
17 import java.util.Collection;
18 import java.util.Date;
19 import java.util.Optional;
20 import java.util.concurrent.ExecutionException;
21 import java.util.concurrent.LinkedBlockingQueue;
22 import java.util.concurrent.ThreadPoolExecutor;
23 import java.util.concurrent.TimeUnit;
24 import java.util.concurrent.TimeoutException;
25 import javax.annotation.Nonnull;
26 import javax.annotation.Nullable;
27 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
28 import org.opendaylight.controller.md.sal.binding.api.DataTreeModification;
29 import org.opendaylight.controller.md.sal.binding.api.WriteTransaction;
30 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
31 import org.opendaylight.controller.md.sal.common.api.data.TransactionCommitFailedException;
32 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Uri;
33 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.DateAndTime;
34 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.config.groupbasedpolicy.sxp.integration.sxp.ise.adapter.model.rev160630.GbpSxpIseAdapter;
35 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.config.groupbasedpolicy.sxp.integration.sxp.ise.adapter.model.rev160630.gbp.sxp.ise.adapter.IseHarvestStatus;
36 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.config.groupbasedpolicy.sxp.integration.sxp.ise.adapter.model.rev160630.gbp.sxp.ise.adapter.IseHarvestStatusBuilder;
37 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.config.groupbasedpolicy.sxp.integration.sxp.ise.adapter.model.rev160630.gbp.sxp.ise.adapter.IseSourceConfig;
38 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.config.groupbasedpolicy.sxp.integration.sxp.ise.adapter.model.rev160630.gbp.sxp.ise.adapter.ise.source.config.ConnectionConfig;
39 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
40 import org.slf4j.Logger;
41 import org.slf4j.LoggerFactory;
44 * Purpose: listen for harvest configuration and trigger harvesting
46 public class GbpIseConfigListenerImpl implements GbpIseConfigListener {
48 private static final Logger LOG = LoggerFactory.getLogger(GbpIseConfigListenerImpl.class);
50 private static final String DATE_AND_TIME_FORMAT = "yyyy-MM-dd'T'HH:mm:ss.SSSXXX";
52 private final DataBroker dataBroker;
53 private final GbpIseSgtHarvester gbpIseSgtHarvester;
54 @Nonnull private final EPPolicyTemplateProviderFacade templateProviderFacade;
55 private final ThreadPoolExecutor pool;
57 public GbpIseConfigListenerImpl(@Nonnull final DataBroker dataBroker, @Nonnull final GbpIseSgtHarvester gbpIseSgtHarvester,
58 @Nonnull final EPPolicyTemplateProviderFacade templateProviderFacade) {
59 this.dataBroker = dataBroker;
60 this.gbpIseSgtHarvester = gbpIseSgtHarvester;
61 this.templateProviderFacade = templateProviderFacade;
62 pool = new ThreadPoolExecutor(1, 1, 0, TimeUnit.MILLISECONDS, new LinkedBlockingQueue<>(10),
63 new ThreadFactoryBuilder().setNameFormat("ise-sgt-harverster-%d").build()) {
65 protected void afterExecute(final Runnable r, final Throwable t) {
66 super.afterExecute(r, t);
68 LOG.warn("ise harvest task failed", t);
75 public void onDataTreeChanged(@Nonnull final Collection<DataTreeModification<IseSourceConfig>> collection) {
76 for (DataTreeModification<IseSourceConfig> modification : collection) {
77 final IseSourceConfig iseSourceConfig = modification.getRootNode().getDataAfter();
78 final IseContext iseContext = new IseContext(iseSourceConfig);
79 templateProviderFacade.assignIseContext(iseContext);
80 if (iseSourceConfig != null) {
81 final Optional<ConnectionConfig> connectionConfig = Optional.ofNullable(iseSourceConfig.getConnectionConfig());
82 LOG.debug("Ise-source config assigned: {} -> {}", iseSourceConfig.getTenant(),
83 connectionConfig.map(ConnectionConfig::getIseRestUrl).orElse(new Uri("n/a")));
85 final ListenableFuture<Collection<SgtInfo>> harvestResult = gbpIseSgtHarvester.harvestAll(iseContext);
86 Futures.addCallback(harvestResult, new FutureCallback<Collection<SgtInfo>>() {
88 public void onSuccess(@Nullable final Collection<SgtInfo> result) {
89 final Integer counter = Optional.ofNullable(result).map(Collection::size).orElse(0);
90 LOG.debug("ise harvest finished, outcome: {}", counter);
91 storeOutcome(true, counter, null);
95 public void onFailure(final Throwable t) {
96 LOG.debug("ise harvest failed", t);
97 storeOutcome(false, 0, t.getMessage());
102 harvestResult.get(30, TimeUnit.SECONDS);
103 } catch (InterruptedException | ExecutionException | TimeoutException e) {
104 LOG.debug("failed to finish ise-sgt-harvest task properly on time", e);
108 LOG.debug("Ise-source config removed");
113 private CheckedFuture<Void, TransactionCommitFailedException> storeOutcome(final boolean succeeded, final int counter, final String reason) {
114 final WriteTransaction wTx = dataBroker.newWriteOnlyTransaction();
115 final InstanceIdentifier<IseHarvestStatus> harvestStatusPath = InstanceIdentifier.create(GbpSxpIseAdapter.class)
116 .child(IseHarvestStatus.class);
117 final IseHarvestStatus harvestStatus = new IseHarvestStatusBuilder()
119 .setSuccess(succeeded)
120 .setTemplatesWritten(counter)
121 .setTimestamp(createDateTime(new Date()))
123 wTx.put(LogicalDatastoreType.OPERATIONAL, harvestStatusPath, harvestStatus, true);
127 private static DateAndTime createDateTime(Date when) {
128 final SimpleDateFormat simpleDateFormat = new SimpleDateFormat(DATE_AND_TIME_FORMAT);
129 return new DateAndTime(simpleDateFormat.format(when));
133 public void close() throws Exception {
134 if (! pool.isTerminated()) {
136 final boolean terminated = pool.awaitTermination(10, TimeUnit.SECONDS);