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.persist.impl.ConfigPersisterNotificationHandler;
  14 import org.opendaylight.controller.netconf.persist.impl.ConfigPusher;
  15 import org.opendaylight.controller.netconf.persist.impl.PersisterAggregator;
  16 import org.opendaylight.controller.netconf.util.osgi.NetconfConfigUtil;
  17 import org.osgi.framework.BundleActivator;
  18 import org.osgi.framework.BundleContext;
  19 import org.slf4j.Logger;
  20 import org.slf4j.LoggerFactory;
  21
  22 import javax.management.MBeanServer;
  23 import java.lang.management.ManagementFactory;
  24 import java.net.InetSocketAddress;
  25 import java.util.regex.Pattern;
  26
  27 public class ConfigPersisterActivator implements BundleActivator {
  28
  29     private static final Logger logger = LoggerFactory.getLogger(ConfigPersisterActivator.class);
  30
  31     private final static MBeanServer platformMBeanServer = ManagementFactory.getPlatformMBeanServer();
  32     private static final String IGNORED_MISSING_CAPABILITY_REGEX_SUFFIX = "ignoredMissingCapabilityRegex";
  33
  34     private static final String MAX_WAIT_FOR_CAPABILITIES_MILLIS = "maxWaitForCapabilitiesMillis";
  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 Thread initializationThread;
  45     private EventLoopGroup nettyThreadGroup;
  46     private PersisterAggregator persisterAggregator;
  47
  48     @Override
  49     public void start(final BundleContext context) throws Exception {
  50         logger.debug("ConfigPersister starting");
  51
  52         PropertiesProviderBaseImpl propertiesProvider = new PropertiesProviderBaseImpl(context);
  53
  54         String regexProperty = propertiesProvider.getProperty(IGNORED_MISSING_CAPABILITY_REGEX_SUFFIX);
  55         String regex;
  56         if (regexProperty != null) {
  57             regex = regexProperty;
  58         } else {
  59             regex = DEFAULT_IGNORED_REGEX;
  60         }
  61
  62         String timeoutProperty = propertiesProvider.getProperty(MAX_WAIT_FOR_CAPABILITIES_MILLIS);
  63         long maxWaitForCapabilitiesMillis;
  64         if (timeoutProperty == null) {
  65             maxWaitForCapabilitiesMillis = ConfigPusher.DEFAULT_MAX_WAIT_FOR_CAPABILITIES_MILLIS;
  66         } else {
  67             maxWaitForCapabilitiesMillis = Integer.valueOf(timeoutProperty);
  68         }
  69
  70         final Pattern ignoredMissingCapabilityRegex = Pattern.compile(regex);
  71         nettyThreadGroup = new NioEventLoopGroup();
  72
  73         persisterAggregator = PersisterAggregator.createFromProperties(propertiesProvider);
  74         final InetSocketAddress address = NetconfConfigUtil.extractTCPNetconfAddress(context,
  75                 "Netconf is not configured, persister is not operational", true);
  76         final ConfigPusher configPusher = new ConfigPusher(address, nettyThreadGroup, maxWaitForCapabilitiesMillis,
  77                 ConfigPusher.DEFAULT_CONNECTION_TIMEOUT_MILLIS);
  78
  79
  80         // offload initialization to another thread in order to stop blocking activator
  81         Runnable initializationRunnable = new Runnable() {
  82             @Override
  83             public void run() {
  84                 try {
  85                     configPusher.pushConfigs(persisterAggregator.loadLastConfigs());
  86                     jmxNotificationHandler = new ConfigPersisterNotificationHandler(platformMBeanServer, persisterAggregator,
  87                             ignoredMissingCapabilityRegex);
  88                 } catch (InterruptedException e) {
  89                     Thread.currentThread().interrupt();
  90                     logger.error("Interrupted while waiting for netconf connection");
  91                     // uncaught exception handler will deal with this failure
  92                     throw new RuntimeException("Interrupted while waiting for netconf connection", e);
  93                 }
  94                 logger.info("Configuration Persister initialization completed.");
  95             }
  96         };
  97         initializationThread = new Thread(initializationRunnable, "ConfigPersister-registrator");
  98         initializationThread.start();
  99     }
 100
 101     @Override
 102     public void stop(BundleContext context) throws Exception {
 103         initializationThread.interrupt();
 104         if (jmxNotificationHandler != null) {
 105             jmxNotificationHandler.close();
 106         }
 107         nettyThreadGroup.shutdownGracefully();
 108         persisterAggregator.close();
 109     }
 110 }