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/*
* Copyright (c) 2016 Cisco and/or its affiliates.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package io.fd.honeycomb.infra.distro;
import static com.google.inject.Guice.createInjector;
import com.google.common.base.Preconditions;
import com.google.common.collect.ImmutableSet;
import com.google.inject.ConfigurationException;
import com.google.inject.CreationException;
import com.google.inject.Guice;
import com.google.inject.Injector;
import com.google.inject.Key;
import com.google.inject.Module;
import com.google.inject.ProvisionException;
import com.google.inject.name.Names;
import io.fd.honeycomb.data.init.DataTreeInitializer;
import io.fd.honeycomb.data.init.InitializerRegistry;
import io.fd.honeycomb.infra.distro.activation.ActivationModule;
import io.fd.honeycomb.infra.distro.activation.ActiveModules;
import io.fd.honeycomb.infra.distro.cfgattrs.HoneycombConfiguration;
import io.fd.honeycomb.infra.distro.initializer.InitializerPipelineModule;
import io.fd.honeycomb.infra.distro.netconf.HoneycombNotification2NetconfProvider;
import io.fd.honeycomb.infra.distro.netconf.NetconfModule;
import io.fd.honeycomb.infra.distro.netconf.NetconfSshServerProvider;
import io.fd.honeycomb.infra.distro.netconf.NetconfTcpServerProvider;
import io.fd.honeycomb.infra.distro.restconf.RestconfModule;
import org.eclipse.jetty.server.Server;
import org.eclipse.jetty.server.ServerConnector;
import org.opendaylight.netconf.mapping.api.NetconfOperationServiceFactory;
import org.opendaylight.netconf.sal.rest.api.RestConnector;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public final class Main {
private static final Logger LOG = LoggerFactory.getLogger(Main.class);
private Main() {
}
public static void main(String[] args) {
init();
}
/**
* Initialize the Honeycomb with provided modules
*/
public static Injector init() {
try {
LOG.info("Starting honeycomb");
final ActivationModule activationModule = new ActivationModule();
// creating child injector does not work in this case, so just create injector, and does not store ref
// to it, or its active modules instance
Injector injector = createInjector(ImmutableSet.<Module>builder()
.add(activationModule)
.addAll(createInjector(activationModule).getInstance(ActiveModules.class).createModuleInstances())
.build());
LOG.info("Honeycomb configuration: {}", injector.getInstance(HoneycombConfiguration.class));
// Log all bindings
injector.getAllBindings().entrySet().stream()
.forEach(e -> LOG.trace("Component available under: {} is {}", e.getKey(), e.getValue()));
final HoneycombConfiguration cfgAttributes = injector.getInstance(HoneycombConfiguration.class);
Preconditions.checkArgument(cfgAttributes.isRestconfEnabled() || cfgAttributes.isNetconfEnabled(),
"At least one interface(Restconf|Netconf) has to be enabled for Honeycomb");
// Now get instances for all dependency roots
if (cfgAttributes.isRestconfEnabled()) {
LOG.info("Starting RESTCONF");
final Server server = injector.getInstance(Server.class);
final RestConnector instance = injector.getInstance(RestConnector.class);
if (cfgAttributes.isRestconfHttpEnabled()) {
LOG.info("Starting Restconf on http");
injector.getInstance(Key.get(ServerConnector.class, Names.named(RestconfModule.RESTCONF_HTTP)));
}
if (cfgAttributes.isRestconfHttpsEnabled()) {
LOG.info("Starting Restconf on https");
injector.getInstance(Key.get(ServerConnector.class, Names.named(RestconfModule.RESTCONF_HTTPS)));
}
try {
server.start();
} catch (Exception e) {
LOG.error("Unable to start Restconf", e);
throw new InitializationException("Unable to start Restconf", e);
}
}
if (cfgAttributes.isNetconfEnabled()) {
LOG.info("Starting HONEYCOMB_NETCONF");
injector.getInstance(Key.get(NetconfOperationServiceFactory.class,
Names.named(NetconfModule.HONEYCOMB_NETCONF_MAPPER_CORE)));
injector.getInstance(Key.get(NetconfOperationServiceFactory.class,
Names.named(NetconfModule.HONEYCOMB_NETCONF_MAPPER_NOTIF)));
injector.getInstance(Key.get(NetconfOperationServiceFactory.class,
Names.named(NetconfModule.HONEYCOMB_NETCONF_MAPPER_OPER)));
if (cfgAttributes.isNetconfTcpEnabled()) {
LOG.info("Starting HONEYCOMB_NETCONF TCP");
injector.getInstance(NetconfTcpServerProvider.NetconfTcpServer.class);
}
if (cfgAttributes.isNetconfSshEnabled()) {
LOG.info("Starting HONEYCOMB_NETCONF SSH");
injector.getInstance(NetconfSshServerProvider.NetconfSshServer.class);
}
injector.getInstance(HoneycombNotification2NetconfProvider.HoneycombNotification2Netconf.class);
}
try {
LOG.info("Initializing configuration");
injector.getInstance(Key.get(InitializerRegistry.class,
Names.named(InitializerPipelineModule.HONEYCOMB_INITIALIZER))).initialize();
LOG.info("Configuration initialized successfully");
} catch (DataTreeInitializer.InitializeException e) {
LOG.error("Unable to initialize configuration", e);
}
LOG.info("Honeycomb started successfully!");
return injector;
} catch (CreationException | ProvisionException | ConfigurationException e) {
LOG.error("Failed to initialize Honeycomb components", e);
throw e;
} catch (RuntimeException e) {
LOG.error("Unexpected initialization failure", e);
throw e;
} finally {
// Trigger gc to force collect initial garbage + dedicated classloader
System.gc();
}
}
}
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