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 import java.util.concurrent.TimeUnit;
  29
  30 public class ConfigPersisterActivator implements BundleActivator {
  31
  32     private static final Logger logger = LoggerFactory.getLogger(ConfigPersisterActivator.class);
  33
  34     private final static MBeanServer platformMBeanServer = ManagementFactory.getPlatformMBeanServer();
  35     private static final String IGNORED_MISSING_CAPABILITY_REGEX_SUFFIX = "ignoredMissingCapabilityRegex";
  36
  37     private static final String PUSH_TIMEOUT = "pushTimeout";
  38
  39     public static final String NETCONF_CONFIG_PERSISTER = "netconf.config.persister";
  40
  41     public static final String STORAGE_ADAPTER_CLASS_PROP_SUFFIX = "storageAdapterClass";
  42
  43     public static final String DEFAULT_IGNORED_REGEX = "^urn:ietf:params:xml:ns:netconf:base:1.0";
  44
  45
  46     private volatile ConfigPersisterNotificationHandler jmxNotificationHandler;
  47     private volatile NetconfClient netconfClient;
  48     private Thread initializationThread;
  49     private EventLoopGroup nettyThreadgroup;
  50     private PersisterAggregator persisterAggregator;
  51
  52     @Override
  53     public void start(final BundleContext context) throws Exception {
  54         logger.debug("ConfigPersister starting");
  55
  56         PropertiesProviderBaseImpl propertiesProvider = new PropertiesProviderBaseImpl(context);
  57
  58         String regexProperty = propertiesProvider.getProperty(IGNORED_MISSING_CAPABILITY_REGEX_SUFFIX);
  59         String regex;
  60         if (regexProperty != null) {
  61             regex = regexProperty;
  62         } else {
  63             regex = DEFAULT_IGNORED_REGEX;
  64         }
  65
  66         String timeoutProperty = propertiesProvider.getProperty(PUSH_TIMEOUT);
  67         long timeout = timeoutProperty == null ? ConfigPusher.DEFAULT_TIMEOUT : TimeUnit.SECONDS.toNanos(Integer.valueOf(timeoutProperty));
  68
  69         final Pattern ignoredMissingCapabilityRegex = Pattern.compile(regex);
  70         nettyThreadgroup = new NioEventLoopGroup();
  71
  72         persisterAggregator = PersisterAggregator.createFromProperties(propertiesProvider);
  73         final InetSocketAddress address = NetconfConfigUtil.extractTCPNetconfAddress(context, "Netconf is not configured, persister is not operational", true);
  74         final ConfigPusher configPusher = new ConfigPusher(address, nettyThreadgroup);
  75
  76
  77         // offload initialization to another thread in order to stop blocking activator
  78         Runnable initializationRunnable = new Runnable() {
  79             @Override
  80             public void run() {
  81                 try {
  82                     netconfClient = configPusher.init(persisterAggregator.loadLastConfigs());
  83                     jmxNotificationHandler = new ConfigPersisterNotificationHandler(
  84                             platformMBeanServer, netconfClient, persisterAggregator,
  85                             ignoredMissingCapabilityRegex);
  86                     jmxNotificationHandler.init();
  87                 } catch (InterruptedException e) {
  88                     Thread.currentThread().interrupt();
  89                     logger.error("Interrupted while waiting for netconf connection");
  90                     // uncaught exception handler will deal with this failure
  91                     throw new RuntimeException("Interrupted while waiting for netconf connection", e);
  92                 }
  93             }
  94         };
  95         initializationThread = new Thread(initializationRunnable, "ConfigPersister-registrator");
  96         initializationThread.start();
  97     }
  98
  99     @Override
 100     public void stop(BundleContext context) throws Exception {
 101         initializationThread.interrupt();
 102         if (jmxNotificationHandler != null) {
 103             jmxNotificationHandler.close();
 104         }
 105         if (netconfClient != null) {
 106             netconfClient = jmxNotificationHandler.getNetconfClient();
 107             try {
 108                 Util.closeClientAndDispatcher(netconfClient);
 109             } catch (Exception e) {
 110                 logger.warn("Unable to close connection to netconf {}", netconfClient, e);
 111             }
 112         }
 113         nettyThreadgroup.shutdownGracefully();
 114         persisterAggregator.close();
 115     }
 116 }