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/*-
* ============LICENSE_START=======================================================
* OPENECOMP - MSO
* ================================================================================
* 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.mso.cloud;
import java.io.IOException;
import java.io.Serializable;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.locks.ReentrantReadWriteLock;
import javax.ejb.ConcurrencyManagement;
import javax.ejb.ConcurrencyManagementType;
import javax.ejb.LocalBean;
import javax.ejb.Schedule;
import javax.ejb.Singleton;
import javax.ws.rs.GET;
import javax.ws.rs.Path;
import javax.ws.rs.PathParam;
import javax.ws.rs.Produces;
import javax.ws.rs.core.Response;
import org.codehaus.jackson.JsonParseException;
import org.codehaus.jackson.map.JsonMappingException;
import org.openecomp.mso.logger.MsoLogger;
import org.openecomp.mso.openstack.exceptions.MsoCloudIdentityNotFound;
import org.openecomp.mso.openstack.utils.MsoHeatUtils;
import org.openecomp.mso.openstack.utils.MsoKeystoneUtils;
import org.openecomp.mso.openstack.utils.MsoNeutronUtils;
import org.openecomp.mso.properties.MsoPropertiesException;
import org.openecomp.mso.logger.MessageEnum;
/**
* This class returns a cloud Config instances
*
*
*/
@Singleton(name = "CloudConfigFactory")
@ConcurrencyManagement(ConcurrencyManagementType.BEAN)
@LocalBean
@Path("/cloud")
public class CloudConfigFactory implements Serializable {
private static final long serialVersionUID = 2956662716453261085L;
private static CloudConfig cloudConfigCache = new CloudConfig ();
protected static String prefixMsoPropertiesPath = System.getProperty ("mso.config.path");
private static final MsoLogger LOGGER = MsoLogger.getMsoLogger (MsoLogger.Catalog.RA);
private static int refreshTimer;
private static final ReentrantReadWriteLock rwl = new ReentrantReadWriteLock ();
static {
if (prefixMsoPropertiesPath == null) {
prefixMsoPropertiesPath = "";
}
}
public void initializeCloudConfig (String filePath, int refreshTimer) throws MsoCloudIdentityNotFound {
rwl.writeLock ().lock ();
try {
cloudConfigCache.loadCloudConfig (prefixMsoPropertiesPath + filePath, refreshTimer);
LOGGER.info (MessageEnum.RA_CONFIG_LOAD, prefixMsoPropertiesPath + filePath, "", "");
} catch (JsonParseException e) {
LOGGER.error (MessageEnum.RA_CONFIG_EXC, "Error parsing cloud config file " + filePath, "", "", MsoLogger.ErrorCode.DataError, "Exception - JsonParseException", e);
} catch (JsonMappingException e) {
LOGGER.error (MessageEnum.RA_CONFIG_EXC, "Error parsing cloud config file " + filePath, "", "", MsoLogger.ErrorCode.DataError, "Exception - JsonMappingException", e);
} catch (IOException e) {
LOGGER.error (MessageEnum.RA_CONFIG_NOT_FOUND, filePath, "", "", MsoLogger.ErrorCode.DataError, "Exception - config not found", e);
} finally {
rwl.writeLock ().unlock ();
}
}
public void changeMsoPropertiesFilePath (String newMsoPropPath) {
rwl.writeLock ().lock ();
try {
CloudConfigFactory.cloudConfigCache.configFilePath = prefixMsoPropertiesPath + newMsoPropPath;
} finally {
rwl.writeLock ().unlock ();
}
}
public CloudConfigFactory () {
}
public CloudConfig getCloudConfig () {
rwl.readLock ().lock ();
try {
if (cloudConfigCache.isValidCloudConfig()) {
return cloudConfigCache.clone ();
} else {
return new CloudConfig();
}
} finally {
rwl.readLock ().unlock ();
}
}
/**
* This method is not intended to be called, it's used to refresh the config
* automatically
*
* @return true if Properties have been reloaded, false otherwise
*/
@Schedule(minute = "*/1", hour = "*", persistent = false)
public void reloadCloudConfig () {
try {
if (!rwl.writeLock ().tryLock () && !rwl.writeLock ().tryLock (30L, TimeUnit.SECONDS)) {
LOGGER.debug ("Busy write lock on mso cloud config factory, skipping the reloading");
return;
}
} catch (InterruptedException e1) {
LOGGER.debug ("Interrupted while trying to acquire write lock on cloud config factory, skipping the reloading");
Thread.currentThread ().interrupt ();
return;
}
try {
//LOGGER.debug ("Processing a reload of the mso properties file entries");
try {
if (refreshTimer <= 1) {
CloudConfig oldCloudConfig = null;
if (cloudConfigCache.isValidCloudConfig()) {
oldCloudConfig = cloudConfigCache.clone();
}
cloudConfigCache.reloadPropertiesFile ();
refreshTimer = cloudConfigCache.refreshTimerInMinutes;
if (!cloudConfigCache.equals(oldCloudConfig)) {
LOGGER.info (MessageEnum.RA_CONFIG_LOAD, prefixMsoPropertiesPath + cloudConfigCache.configFilePath, "", "");
}
} else {
--refreshTimer;
}
} catch (JsonParseException e) {
LOGGER.error (MessageEnum.RA_CONFIG_EXC,
"Error parsing cloud config file " + cloudConfigCache.configFilePath, "", "", MsoLogger.ErrorCode.DataError, "Exception - JsonParseException",
e);
} catch (JsonMappingException e) {
LOGGER.error (MessageEnum.RA_CONFIG_EXC,
"Error parsing cloud config file " + cloudConfigCache.configFilePath, "", "", MsoLogger.ErrorCode.DataError, "Exception - JsonMappingException",
e);
} catch (IOException e) {
LOGGER.error (MessageEnum.RA_CONFIG_NOT_FOUND, cloudConfigCache.configFilePath, "", "", MsoLogger.ErrorCode.DataError, "Exception - config not found", e);
}
} catch (Exception e) {
LOGGER.error (MessageEnum.LOAD_PROPERTIES_FAIL, "Unknown. Global issue while reloading", "", "", MsoLogger.ErrorCode.DataError, "Exception - Global issue while reloading\"", e);
} finally {
rwl.writeLock ().unlock ();
}
}
@GET
@Path("/showConfig")
@Produces("text/plain")
public Response showCloudConfig () {
CloudConfig cloudConfig = this.getCloudConfig ();
if (cloudConfig != null) {
StringBuffer response = new StringBuffer ();
response.append ("Cloud Sites:\n");
for (CloudSite site : cloudConfig.getCloudSites ().values ()) {
response.append (site.toString () + "\n");
}
response.append ("\n\nCloud Identity Services:\n");
for (CloudIdentity identity : cloudConfig.getIdentityServices ().values ()) {
response.append (identity.toString () + "\n");
}
return Response.status (200).entity (response).build ();
} else {
return Response.status (500).entity ("Cloud Config has not been loaded properly, this could be due to a bad JSON structure (Check the logs for additional details)").build ();
}
}
@GET
@Path("/resetClientCaches")
@Produces("text/plain")
public Response resetClientCaches () {
// Reset all cached clients/credentials
MsoKeystoneUtils.adminCacheReset ();
MsoHeatUtils.heatCacheReset ();
MsoNeutronUtils.neutronCacheReset ();
String response = "Client caches reset. All entries removed.";
return Response.status (200).entity (response).build ();
}
@GET
@Path("/cleanupClientCaches")
@Produces("text/plain")
public Response cleanupClientCaches () {
// Reset all cached clients/credentials
MsoKeystoneUtils.adminCacheCleanup ();
MsoHeatUtils.heatCacheCleanup ();
MsoNeutronUtils.neutronCacheCleanup ();
String response = "Client caches cleaned up. All expired entries removed";
return Response.status (200).entity (response).build ();
}
@GET
@Path("/encryptPassword/{pwd}")
@Produces("text/plain")
public Response encryptPassword (@PathParam("pwd") String pwd) {
String encryptedPassword = CloudIdentity.encryptPassword (pwd);
String response = "Encrypted Password = " + encryptedPassword;
return Response.status (200).entity (response).build ();
}
}
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