opendaylight/netconf/config-persister-impl/src/main/java/org/opendaylight/controller/netconf/persist/impl/osgi/ConfigPersisterActivator.java

   1 /*
   2  * Copyright (c) 2013 Cisco Systems, Inc. and others.  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.controller.netconf.persist.impl.osgi;
  10
  11 import io.netty.channel.EventLoopGroup;
  12 import io.netty.channel.nio.NioEventLoopGroup;
  13 import org.opendaylight.controller.netconf.client.NetconfClient;
  14 import org.opendaylight.controller.netconf.persist.impl.ConfigPersisterNotificationHandler;
  15 import org.opendaylight.controller.netconf.persist.impl.ConfigPusher;
  16 import org.opendaylight.controller.netconf.persist.impl.PersisterAggregator;
  17 import org.opendaylight.controller.netconf.persist.impl.Util;
  18 import org.opendaylight.controller.netconf.util.osgi.NetconfConfigUtil;
  19 import org.osgi.framework.BundleActivator;
  20 import org.osgi.framework.BundleContext;
  21 import org.slf4j.Logger;
  22 import org.slf4j.LoggerFactory;
  23
  24 import javax.management.MBeanServer;
  25 import java.lang.management.ManagementFactory;
  26 import java.net.InetSocketAddress;
  27 import java.util.regex.Pattern;
  28
  29 public class ConfigPersisterActivator implements BundleActivator {
  30
  31     private static final Logger logger = LoggerFactory.getLogger(ConfigPersisterActivator.class);
  32
  33     private final static MBeanServer platformMBeanServer = ManagementFactory.getPlatformMBeanServer();
  34     private static final String IGNORED_MISSING_CAPABILITY_REGEX_SUFFIX = "ignoredMissingCapabilityRegex";
  35
  36     public static final String NETCONF_CONFIG_PERSISTER = "netconf.config.persister";
  37
  38     public static final String STORAGE_ADAPTER_CLASS_PROP_SUFFIX = "storageAdapterClass";
  39
  40     public static final String DEFAULT_IGNORED_REGEX = "^urn:ietf:params:xml:ns:netconf:base:1.0";
  41
  42
  43     private volatile ConfigPersisterNotificationHandler jmxNotificationHandler;
  44     private volatile NetconfClient netconfClient;
  45     private Thread initializationThread;
  46     private EventLoopGroup nettyThreadgroup;
  47     private PersisterAggregator persisterAggregator;
  48
  49     @Override
  50     public void start(final BundleContext context) throws Exception {
  51         logger.debug("ConfigPersister starting");
  52
  53         PropertiesProviderBaseImpl propertiesProvider = new PropertiesProviderBaseImpl(context);
  54
  55         String regexProperty = propertiesProvider.getProperty(IGNORED_MISSING_CAPABILITY_REGEX_SUFFIX);
  56         String regex;
  57         if (regexProperty != null) {
  58             regex = regexProperty;
  59         } else {
  60             regex = DEFAULT_IGNORED_REGEX;
  61         }
  62         final Pattern ignoredMissingCapabilityRegex = Pattern.compile(regex);
  63         nettyThreadgroup = new NioEventLoopGroup();
  64
  65         persisterAggregator = PersisterAggregator.createFromProperties(propertiesProvider);
  66         final InetSocketAddress address = NetconfConfigUtil.extractTCPNetconfAddress(context, "Netconf is not configured, persister is not operational", true);
  67         final ConfigPusher configPusher = new ConfigPusher(address, nettyThreadgroup);
  68
  69
  70         // offload initialization to another thread in order to stop blocking activator
  71         Runnable initializationRunnable = new Runnable() {
  72             @Override
  73             public void run() {
  74                 try {
  75                     netconfClient = configPusher.init(persisterAggregator.loadLastConfigs());
  76                     jmxNotificationHandler = new ConfigPersisterNotificationHandler(
  77                             platformMBeanServer, netconfClient, persisterAggregator,
  78                             ignoredMissingCapabilityRegex);
  79                     jmxNotificationHandler.init();
  80                 } catch (InterruptedException e) {
  81                     Thread.currentThread().interrupt();
  82                     logger.error("Interrupted while waiting for netconf connection");
  83                     // uncaught exception handler will deal with this failure
  84                     throw new RuntimeException("Interrupted while waiting for netconf connection", e);
  85                 }
  86             }
  87         };
  88         initializationThread = new Thread(initializationRunnable, "ConfigPersister-registrator");
  89         initializationThread.start();
  90     }
  91
  92     @Override
  93     public void stop(BundleContext context) throws Exception {
  94         initializationThread.interrupt();
  95         if (jmxNotificationHandler != null) {
  96             jmxNotificationHandler.close();
  97         }
  98         if (netconfClient != null) {
  99             netconfClient = jmxNotificationHandler.getNetconfClient();
 100             try {
 101                 Util.closeClientAndDispatcher(netconfClient);
 102             } catch (Exception e) {
 103                 logger.warn("Unable to close connection to netconf {}", netconfClient, e);
 104             }
 105         }
 106         nettyThreadgroup.shutdownGracefully();
 107         persisterAggregator.close();
 108     }
 109 }