Improve logging to indicate when configuration has been pushed
[controller.git] / opendaylight / netconf / config-persister-impl / src / main / java / org / opendaylight / controller / netconf / persist / impl / osgi / ConfigPersisterActivator.java
index cf1b0af454905d8aa6091085f3f3d538d3dd9029..179c9681fc4b21732286442251f5029e19e6958c 100644 (file)
@@ -8,13 +8,14 @@
 
 package org.opendaylight.controller.netconf.persist.impl.osgi;
 
-import com.google.common.base.Optional;
+import io.netty.channel.EventLoopGroup;
+import io.netty.channel.nio.NioEventLoopGroup;
+import org.opendaylight.controller.netconf.client.NetconfClient;
 import org.opendaylight.controller.netconf.persist.impl.ConfigPersisterNotificationHandler;
-import org.opendaylight.controller.netconf.persist.impl.NoOpStorageAdapter;
-import org.opendaylight.controller.netconf.persist.impl.PersisterImpl;
-import org.opendaylight.controller.config.stat.ConfigProvider;
+import org.opendaylight.controller.netconf.persist.impl.ConfigPusher;
+import org.opendaylight.controller.netconf.persist.impl.PersisterAggregator;
+import org.opendaylight.controller.netconf.persist.impl.Util;
 import org.opendaylight.controller.netconf.util.osgi.NetconfConfigUtil;
-import org.opendaylight.controller.netconf.util.osgi.NetconfConfigUtil.TLSConfiguration;
 import org.osgi.framework.BundleActivator;
 import org.osgi.framework.BundleContext;
 import org.slf4j.Logger;
@@ -23,52 +24,73 @@ import org.slf4j.LoggerFactory;
 import javax.management.MBeanServer;
 import java.lang.management.ManagementFactory;
 import java.net.InetSocketAddress;
+import java.util.regex.Pattern;
+import java.util.concurrent.TimeUnit;
 
 public class ConfigPersisterActivator implements BundleActivator {
 
     private static final Logger logger = LoggerFactory.getLogger(ConfigPersisterActivator.class);
 
     private final static MBeanServer platformMBeanServer = ManagementFactory.getPlatformMBeanServer();
+    private static final String IGNORED_MISSING_CAPABILITY_REGEX_SUFFIX = "ignoredMissingCapabilityRegex";
 
-    private ConfigPersisterNotificationHandler configPersisterNotificationHandler;
+    private static final String PUSH_TIMEOUT = "pushTimeout";
 
+    public static final String NETCONF_CONFIG_PERSISTER = "netconf.config.persister";
+
+    public static final String STORAGE_ADAPTER_CLASS_PROP_SUFFIX = "storageAdapterClass";
+
+    public static final String DEFAULT_IGNORED_REGEX = "^urn:ietf:params:xml:ns:netconf:base:1.0";
+
+
+    private volatile ConfigPersisterNotificationHandler jmxNotificationHandler;
+    private volatile NetconfClient netconfClient;
     private Thread initializationThread;
+    private EventLoopGroup nettyThreadgroup;
+    private PersisterAggregator persisterAggregator;
 
     @Override
-    public void start(BundleContext context) throws Exception {
-        logger.debug("ConfigPersister activator started");
-
-        ConfigProvider configProvider = new ConfigProvider.ConfigProviderImpl(context);
-        Optional<PersisterImpl> maybePersister = PersisterImpl.createFromProperties(configProvider);
-        if (maybePersister.isPresent() == false) {
-            throw new IllegalStateException("No persister is defined in " + PersisterImpl.STORAGE_ADAPTER_CLASS_PROP
-                    + " property. For noop persister use " + NoOpStorageAdapter.class.getCanonicalName()
-                    + " . Persister is not operational");
-        }
+    public void start(final BundleContext context) throws Exception {
+        logger.debug("ConfigPersister starting");
 
-        Optional<TLSConfiguration> maybeTLSConfiguration = NetconfConfigUtil.extractTLSConfiguration(configProvider);
-        Optional<InetSocketAddress> maybeTCPAddress = NetconfConfigUtil.extractTCPNetconfAddress(configProvider);
+        PropertiesProviderBaseImpl propertiesProvider = new PropertiesProviderBaseImpl(context);
 
-        InetSocketAddress address;
-        if (maybeTLSConfiguration.isPresent()) {
-            throw new UnsupportedOperationException("TLS is currently not supported for persister");
-        } else if (maybeTCPAddress.isPresent()) {
-            address = maybeTCPAddress.get();
+        String regexProperty = propertiesProvider.getProperty(IGNORED_MISSING_CAPABILITY_REGEX_SUFFIX);
+        String regex;
+        if (regexProperty != null) {
+            regex = regexProperty;
         } else {
-            throw new IllegalStateException("Netconf is not configured, persister is not operational");
+            regex = DEFAULT_IGNORED_REGEX;
         }
 
-        PersisterImpl persister = maybePersister.get();
-        configPersisterNotificationHandler = new ConfigPersisterNotificationHandler(persister, address,
-                platformMBeanServer);
+        String timeoutProperty = propertiesProvider.getProperty(PUSH_TIMEOUT);
+        long timeout = timeoutProperty == null ? ConfigPusher.DEFAULT_TIMEOUT : TimeUnit.SECONDS.toNanos(Integer.valueOf(timeoutProperty));
+
+        final Pattern ignoredMissingCapabilityRegex = Pattern.compile(regex);
+        nettyThreadgroup = new NioEventLoopGroup();
+
+        persisterAggregator = PersisterAggregator.createFromProperties(propertiesProvider);
+        final InetSocketAddress address = NetconfConfigUtil.extractTCPNetconfAddress(context, "Netconf is not configured, persister is not operational", true);
+        final ConfigPusher configPusher = new ConfigPusher(address, nettyThreadgroup);
+
+
+        // offload initialization to another thread in order to stop blocking activator
         Runnable initializationRunnable = new Runnable() {
             @Override
             public void run() {
                 try {
-                    configPersisterNotificationHandler.init();
+                    netconfClient = configPusher.init(persisterAggregator.loadLastConfigs());
+                    jmxNotificationHandler = new ConfigPersisterNotificationHandler(
+                            platformMBeanServer, netconfClient, persisterAggregator,
+                            ignoredMissingCapabilityRegex);
+                    jmxNotificationHandler.init();
                 } catch (InterruptedException e) {
-                    logger.info("Interrupted while waiting for netconf connection");
+                    Thread.currentThread().interrupt();
+                    logger.error("Interrupted while waiting for netconf connection");
+                    // uncaught exception handler will deal with this failure
+                    throw new RuntimeException("Interrupted while waiting for netconf connection", e);
                 }
+                logger.info("Configuration Persister initialization completed.");
             }
         };
         initializationThread = new Thread(initializationRunnable, "ConfigPersister-registrator");
@@ -78,6 +100,18 @@ public class ConfigPersisterActivator implements BundleActivator {
     @Override
     public void stop(BundleContext context) throws Exception {
         initializationThread.interrupt();
-        configPersisterNotificationHandler.close();
+        if (jmxNotificationHandler != null) {
+            jmxNotificationHandler.close();
+        }
+        if (netconfClient != null) {
+            netconfClient = jmxNotificationHandler.getNetconfClient();
+            try {
+                Util.closeClientAndDispatcher(netconfClient);
+            } catch (Exception e) {
+                logger.warn("Unable to close connection to netconf {}", netconfClient, e);
+            }
+        }
+        nettyThreadgroup.shutdownGracefully();
+        persisterAggregator.close();
     }
 }