Merge "Resolve Bug:445 Remove freemarker from config code generator."
[controller.git] / opendaylight / netconf / config-persister-impl / src / main / java / org / opendaylight / controller / netconf / persist / impl / osgi / ConfigPersisterActivator.java
index ae6c95312c9143d29f384571ffe9182b227aa862..0cc55719e12875ece51220073657867fc3a9c21f 100644 (file)
 
 package org.opendaylight.controller.netconf.persist.impl.osgi;
 
-import com.google.common.base.Optional;
+import com.google.common.annotations.VisibleForTesting;
+import org.opendaylight.controller.config.persist.api.ConfigSnapshotHolder;
+import org.opendaylight.controller.netconf.mapping.api.NetconfOperationProvider;
+import org.opendaylight.controller.netconf.mapping.api.NetconfOperationServiceFactory;
 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.netconf.util.osgi.NetconfConfigUtil;
-import org.opendaylight.controller.netconf.util.osgi.NetconfConfigUtil.TLSConfiguration;
+import org.opendaylight.controller.netconf.persist.impl.ConfigPusher;
+import org.opendaylight.controller.netconf.persist.impl.PersisterAggregator;
+import org.opendaylight.controller.netconf.util.CloseableUtil;
 import org.osgi.framework.BundleActivator;
 import org.osgi.framework.BundleContext;
+import org.osgi.framework.Constants;
+import org.osgi.framework.Filter;
+import org.osgi.framework.InvalidSyntaxException;
+import org.osgi.framework.ServiceReference;
+import org.osgi.util.tracker.ServiceTracker;
+import org.osgi.util.tracker.ServiceTrackerCustomizer;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
 import javax.management.MBeanServer;
 import java.lang.management.ManagementFactory;
-import java.net.InetSocketAddress;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.concurrent.TimeUnit;
 
 public class ConfigPersisterActivator implements BundleActivator {
 
     private static final Logger logger = LoggerFactory.getLogger(ConfigPersisterActivator.class);
+    private static final MBeanServer platformMBeanServer = ManagementFactory.getPlatformMBeanServer();
 
-    private final static MBeanServer platformMBeanServer = ManagementFactory.getPlatformMBeanServer();
+    public static final String MAX_WAIT_FOR_CAPABILITIES_MILLIS_PROPERTY = "maxWaitForCapabilitiesMillis";
+    private static final long MAX_WAIT_FOR_CAPABILITIES_MILLIS_DEFAULT = TimeUnit.MINUTES.toMillis(2);
+    public static final String CONFLICTING_VERSION_TIMEOUT_MILLIS_PROPERTY = "conflictingVersionTimeoutMillis";
+    private static final long CONFLICTING_VERSION_TIMEOUT_MILLIS_DEFAULT = TimeUnit.SECONDS.toMillis(30);
 
-    private ConfigPersisterNotificationHandler configPersisterNotificationHandler;
+    public static final String NETCONF_CONFIG_PERSISTER = "netconf.config.persister";
+
+    public static final String STORAGE_ADAPTER_CLASS_PROP_SUFFIX = "storageAdapterClass";
+
+    private List<AutoCloseable> autoCloseables;
 
-    private Thread initializationThread;
 
     @Override
-    public void start(BundleContext context) throws Exception {
-        logger.debug("ConfigPersister activator started");
-
-        Optional<PersisterImpl> maybePersister = PersisterImpl.createFromProperties(context);
-        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");
+        autoCloseables = new ArrayList<>();
+        PropertiesProviderBaseImpl propertiesProvider = new PropertiesProviderBaseImpl(context);
+
+        final PersisterAggregator persisterAggregator = PersisterAggregator.createFromProperties(propertiesProvider);
+        autoCloseables.add(persisterAggregator);
+        long maxWaitForCapabilitiesMillis = getMaxWaitForCapabilitiesMillis(propertiesProvider);
+        List<ConfigSnapshotHolder> configs = persisterAggregator.loadLastConfigs();
+        long conflictingVersionTimeoutMillis = getConflictingVersionTimeoutMillis(propertiesProvider);
+        logger.trace("Following configs will be pushed: {}", configs);
+
+        InnerCustomizer innerCustomizer = new InnerCustomizer(configs, maxWaitForCapabilitiesMillis,
+                conflictingVersionTimeoutMillis, persisterAggregator);
+        OuterCustomizer outerCustomizer = new OuterCustomizer(context, innerCustomizer);
+        new ServiceTracker<>(context, NetconfOperationProvider.class, outerCustomizer).open();
+    }
+
+    private long getConflictingVersionTimeoutMillis(PropertiesProviderBaseImpl propertiesProvider) {
+        String timeoutProperty = propertiesProvider.getProperty(CONFLICTING_VERSION_TIMEOUT_MILLIS_PROPERTY);
+        return timeoutProperty == null ? CONFLICTING_VERSION_TIMEOUT_MILLIS_DEFAULT : Long.valueOf(timeoutProperty);
+    }
+
+    private long getMaxWaitForCapabilitiesMillis(PropertiesProviderBaseImpl propertiesProvider) {
+        String timeoutProperty = propertiesProvider.getProperty(MAX_WAIT_FOR_CAPABILITIES_MILLIS_PROPERTY);
+        return timeoutProperty == null ? MAX_WAIT_FOR_CAPABILITIES_MILLIS_DEFAULT : Long.valueOf(timeoutProperty);
+    }
+
+    @Override
+    public synchronized void stop(BundleContext context) throws Exception {
+        CloseableUtil.closeAll(autoCloseables);
+    }
+
+
+    @VisibleForTesting
+    public static String getFilterString() {
+        return "(&" +
+                "(" + Constants.OBJECTCLASS + "=" + NetconfOperationServiceFactory.class.getName() + ")" +
+                "(name" + "=" + "config-netconf-connector" + ")" +
+                ")";
+    }
+
+    class OuterCustomizer implements ServiceTrackerCustomizer<NetconfOperationProvider, NetconfOperationProvider> {
+        private final BundleContext context;
+        private final InnerCustomizer innerCustomizer;
+
+        OuterCustomizer(BundleContext context, InnerCustomizer innerCustomizer) {
+            this.context = context;
+            this.innerCustomizer = innerCustomizer;
         }
 
-        Optional<TLSConfiguration> maybeTLSConfiguration = NetconfConfigUtil.extractTLSConfiguration(context);
-        Optional<InetSocketAddress> maybeTCPAddress = NetconfConfigUtil.extractTCPNetconfAddress(context);
+        @Override
+        public NetconfOperationProvider addingService(ServiceReference<NetconfOperationProvider> reference) {
+            logger.trace("Got OuterCustomizer.addingService {}", reference);
+            // JMX was registered, track config-netconf-connector
+            Filter filter;
+            try {
+                filter = context.createFilter(getFilterString());
+            } catch (InvalidSyntaxException e) {
+                throw new IllegalStateException(e);
+            }
+            new ServiceTracker<>(context, filter, innerCustomizer).open();
+            return null;
+        }
 
-        InetSocketAddress address;
-        if (maybeTLSConfiguration.isPresent()) {
-            throw new UnsupportedOperationException("TLS is currently not supported for persister");
-        } else if (maybeTCPAddress.isPresent()) {
-            address = maybeTCPAddress.get();
-        } else {
-            throw new IllegalStateException("Netconf is not configured, persister is not operational");
+        @Override
+        public void modifiedService(ServiceReference<NetconfOperationProvider> reference, NetconfOperationProvider service) {
+
+        }
+
+        @Override
+        public void removedService(ServiceReference<NetconfOperationProvider> reference, NetconfOperationProvider service) {
+
+        }
+    }
+
+    class InnerCustomizer implements ServiceTrackerCustomizer<NetconfOperationServiceFactory, NetconfOperationServiceFactory> {
+        private final List<ConfigSnapshotHolder> configs;
+        private final PersisterAggregator persisterAggregator;
+        private final long maxWaitForCapabilitiesMillis, conflictingVersionTimeoutMillis;
+
+
+        InnerCustomizer(List<ConfigSnapshotHolder> configs, long maxWaitForCapabilitiesMillis, long conflictingVersionTimeoutMillis,
+                        PersisterAggregator persisterAggregator) {
+            this.configs = configs;
+            this.maxWaitForCapabilitiesMillis = maxWaitForCapabilitiesMillis;
+            this.conflictingVersionTimeoutMillis = conflictingVersionTimeoutMillis;
+            this.persisterAggregator = persisterAggregator;
         }
 
-        PersisterImpl persister = maybePersister.get();
-        configPersisterNotificationHandler = new ConfigPersisterNotificationHandler(persister, address,
-                platformMBeanServer);
-        Runnable initializationRunnable = new Runnable() {
-            @Override
-            public void run() {
-                try {
-                    configPersisterNotificationHandler.init();
-                } catch (InterruptedException e) {
-                    logger.info("Interrupted while waiting for netconf connection");
+        @Override
+        public NetconfOperationServiceFactory addingService(ServiceReference<NetconfOperationServiceFactory> reference) {
+            logger.trace("Got InnerCustomizer.addingService {}", reference);
+            NetconfOperationServiceFactory service = reference.getBundle().getBundleContext().getService(reference);
+
+            final ConfigPusher configPusher = new ConfigPusher(service, maxWaitForCapabilitiesMillis, conflictingVersionTimeoutMillis);
+            logger.debug("Configuration Persister got {}", service);
+            final Thread pushingThread = new Thread(new Runnable() {
+                @Override
+                public void run() {
+                    configPusher.pushConfigs(configs);
+                    logger.info("Configuration Persister initialization completed.");
+                    ConfigPersisterNotificationHandler jmxNotificationHandler = new ConfigPersisterNotificationHandler(platformMBeanServer, persisterAggregator);
+                    synchronized (ConfigPersisterActivator.this) {
+                        autoCloseables.add(jmxNotificationHandler);
+                    }
                 }
+            }, "config-pusher");
+            synchronized (ConfigPersisterActivator.this) {
+                autoCloseables.add(new AutoCloseable() {
+                    @Override
+                    public void close() throws Exception {
+                        pushingThread.interrupt();
+                    }
+                });
             }
-        };
-        initializationThread = new Thread(initializationRunnable, "ConfigPersister-registrator");
-        initializationThread.start();
-    }
+            pushingThread.start();
+            return service;
+        }
+
+        @Override
+        public void modifiedService(ServiceReference<NetconfOperationServiceFactory> reference, NetconfOperationServiceFactory service) {
+        }
+
+        @Override
+        public void removedService(ServiceReference<NetconfOperationServiceFactory> reference, NetconfOperationServiceFactory service) {
+        }
 
-    @Override
-    public void stop(BundleContext context) throws Exception {
-        initializationThread.interrupt();
-        configPersisterNotificationHandler.close();
     }
 }
+