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/*-
* ============LICENSE_START=======================================================
* openECOMP : SDN-C
* ================================================================================
* Copyright (C) 2017 AT&T Intellectual Property. All rights
* reserved.
* ================================================================================
* 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.
* ============LICENSE_END=========================================================
*/
package org.openecomp.sdnc.sli.aai;
import java.io.File;
import java.io.FileInputStream;
import java.io.FilenameFilter;
import java.io.IOException;
import java.io.InputStream;
import java.util.HashSet;
import java.util.Properties;
import java.util.Set;
import org.openecomp.sdnc.sli.ConfigurationException;
import org.osgi.framework.BundleActivator;
import org.osgi.framework.BundleContext;
import org.osgi.framework.ServiceRegistration;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class AAIServiceActivator implements BundleActivator {
private static final String DEFAULT_CONFIG_FILE_NAME = "aaiclient.config";
private static final String DEFAULT_PROPERTY_FILE_NAME = "aaiclient.properties";
private static final String DEFAULT_KEYWORD = "default";
private static final String SDNC_CONFIG_DIR = "SDNC_CONFIG_DIR";
private static final String BVC_PROPERTY_FILE = "/opt/bvc/controller/configuration/aaiclient.properties";
private static final String DEFAULT_SDNC_PROPERTY_FILE = "/opt/sdnc/data/properties/aaiclient.properties";
private Set<ServiceRegistration> registrationSet = new HashSet<ServiceRegistration>();
private static final Logger LOG = LoggerFactory.getLogger(AAIServiceActivator.class);
@Override
public void start(BundleContext ctx) throws Exception {
System.setProperty("aaiclient.runtime", "OSGI");
String sdnConfigDirectory = System.getenv(SDNC_CONFIG_DIR);
// check SDNC CONFIG DIR system property
if(sdnConfigDirectory == null ) {
LOG.error("System property SDNC_CONFIG_DIR is not defined.");
LOG.info("Defaulting SDNC_CONFIG_DIR to '/opt/sdnc/data/properties/'");
sdnConfigDirectory = "/opt/sdnc/data/properties/";
}
LOG.debug("Configuration directory used : " + sdnConfigDirectory);
// check existance of properties directory
File configDirectory = new File(sdnConfigDirectory);
if(!configDirectory.exists() || !configDirectory.isDirectory()){
LOG.error("System property SDNC_CONFIG_DIR = '" + sdnConfigDirectory + "' does not point to a valid directory. AAIService will not be initialized.");
return;
}
Properties properties = new Properties();
InputStream input = null;
// find aaiclient config file
File[] files = findFiles(configDirectory, DEFAULT_CONFIG_FILE_NAME);
// read the aai config data
if(files != null && files.length > 0) {
LOG.debug("AAIService config file exists and it is named :" + files[0].getAbsolutePath() );
try {
input = new FileInputStream(files[0]);
properties.load(input);
LOG.debug("Loaded AAI Client properties from " + files[0].getAbsolutePath());
} catch (IOException exc) {
LOG.warn("Problem loading AAI Client properties from " + files[0].getAbsolutePath(), exc);
} finally {
if(input != null ) {
try {
input.close();
} catch(Exception exc) {
// ignore
}
}
int size = properties.keySet().size() ;
if(size == 0) {
LOG.debug(files[0].getAbsolutePath() + " contained no entries. Adding the default entry");
properties.put(DEFAULT_KEYWORD, DEFAULT_PROPERTY_FILE_NAME);
}
}
} else {
LOG.debug("No configuration entries were found. Adding the default entry");
properties.put(DEFAULT_KEYWORD, DEFAULT_PROPERTY_FILE_NAME);
}
Set<String> entrySet = properties. stringPropertyNames();
String value = null;
// initialize AAI Service for each aai client property files
for(String entry : entrySet) {
value = properties.getProperty(entry);
if(value != null && !value.isEmpty()) {
final String fileName = value;
File[] propertyFileList = findFiles(configDirectory, fileName);
for(File propertiesFile : propertyFileList) {
LOG.info(propertiesFile.getName());
// Advertise AAI resource adaptor
AAIClient impl = null;
switch(entry) {
case DEFAULT_KEYWORD:
impl = new AAIService(propertiesFile.toURI().toURL());
break;
case "trinity":
impl = new AAITrinityService(propertiesFile.toURI().toURL());
break;
default:
LOG.error("Invalid configuration keyword '"+entry+"' detected in aaiclient.config. Aborting initialization");
continue;
}
String regName = impl.getClass().getName();
LOG.debug("Registering AAIService service "+regName);
ServiceRegistration registration = ctx.registerService(regName, impl, null);
registrationSet.add(registration);
}
}
}
}
// @Override
@Deprecated
public void start1(BundleContext ctx) throws Exception {
String sdnConfigDirectory = System.getenv(SDNC_CONFIG_DIR);
String propertiesPath = null;
if (sdnConfigDirectory == null || sdnConfigDirectory.isEmpty()) {
String filename = DEFAULT_SDNC_PROPERTY_FILE;
File file = new File(filename);
if(file != null && file.exists()) {
propertiesPath = filename;
LOG.info("Using property file (1): " + propertiesPath);
} else {
filename = BVC_PROPERTY_FILE;
file = new File(filename);
if(file != null && file.exists()) {
propertiesPath = filename;
LOG.info("Using property file (1): " + propertiesPath);
} else {
throw new ConfigurationException("Cannot find config file - "+filename+" and "+SDNC_CONFIG_DIR+" is unset");
}
}
} else {
propertiesPath = sdnConfigDirectory + "/aaiclient.properties";
LOG.info("Environment variable " + SDNC_CONFIG_DIR + " set, - calculated path " + propertiesPath);
}
File propFile = new File(propertiesPath);
if(!propFile.exists()) {
String filename = DEFAULT_SDNC_PROPERTY_FILE;
File file = new File(filename);
if(file != null && file.exists()) {
propertiesPath = filename;
LOG.info("Using property file (1): " + propertiesPath);
} else {
filename = BVC_PROPERTY_FILE;
file = new File(filename);
if(file != null && file.exists()) {
propertiesPath = filename;
LOG.info("Using property file (1): " + propertiesPath);
} else {
LOG.error("AnAI Service Property file " + propertiesPath + "does not exist.");
throw new ConfigurationException("Cannot find config file - "+propertiesPath+" and " + SDNC_CONFIG_DIR + " is unset.");
}
}
}
// Advertise AAI resource adaptor
AAIClient impl = new AAIService(propFile.toURI().toURL());
String regName = impl.getClass().getName();
LOG.debug("Registering AAIService service "+regName);
ServiceRegistration registration = ctx.registerService(regName, impl, null);
registrationSet.add(registration);
}
@Override
public void stop(BundleContext ctx) throws Exception {
Set<ServiceRegistration> localRegistrationSet = new HashSet<ServiceRegistration>();
localRegistrationSet.addAll(registrationSet);
for(ServiceRegistration registration : localRegistrationSet) {
if (registration != null) {
try {
AAIService aaiService = (AAIService)ctx.getService(registration.getReference());
registration.unregister();
registrationSet.remove(registration);
if(aaiService != null) {
aaiService.cleanUp();
}
} catch(Exception exc) {
if(LOG.isDebugEnabled())
LOG.debug(exc.getMessage());
}
}
}
}
private File[] findFiles(File configDirectory, final String filter) {
File[] files = configDirectory.listFiles(new FilenameFilter() {
public boolean accept(File dir, String name) {
return name.equalsIgnoreCase(filter);
}
});
return files;
}
}
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