diff options
Diffstat (limited to 'authz-cass/src/main/java/com/att/dao/CassAccess.java')
| -rw-r--r-- | authz-cass/src/main/java/com/att/dao/CassAccess.java | 219 |
1 files changed, 0 insertions, 219 deletions
diff --git a/authz-cass/src/main/java/com/att/dao/CassAccess.java b/authz-cass/src/main/java/com/att/dao/CassAccess.java deleted file mode 100644 index 00802c98..00000000 --- a/authz-cass/src/main/java/com/att/dao/CassAccess.java +++ /dev/null @@ -1,219 +0,0 @@ -/*******************************************************************************
- * ============LICENSE_START====================================================
- * * org.onap.aaf
- * * ===========================================================================
- * * Copyright © 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====================================================
- * *
- * * ECOMP is a trademark and service mark of AT&T Intellectual Property.
- * *
- ******************************************************************************/
-package com.att.dao;
-
-import java.io.IOException;
-import java.util.ArrayList;
-import java.util.List;
-
-import com.att.authz.env.AuthzEnv;
-import com.att.cadi.routing.GreatCircle;
-import com.att.inno.env.APIException;
-import com.att.inno.env.Env;
-import com.att.inno.env.util.Split;
-import com.datastax.driver.core.Cluster;
-import com.datastax.driver.core.Cluster.Builder;
-import com.datastax.driver.core.policies.DCAwareRoundRobinPolicy;
-
-public class CassAccess {
- public static final String KEYSPACE = "authz";
- public static final String CASSANDRA_CLUSTERS = "cassandra.clusters";
- public static final String CASSANDRA_CLUSTERS_PORT = "cassandra.clusters.port";
- public static final String CASSANDRA_CLUSTERS_USER_NAME = "cassandra.clusters.user";
- public static final String CASSANDRA_CLUSTERS_PASSWORD = "cassandra.clusters.password";
- public static final String CASSANDRA_RESET_EXCEPTIONS = "cassandra.reset.exceptions";
- public static final String LATITUDE = "LATITUDE";
- public static final String LONGITUDE = "LONGITUDE";
- private static final List<Resettable> resetExceptions = new ArrayList<Resettable>();
- public static final String ERR_ACCESS_MSG = "Accessing Backend";
- private static Builder cb = null;
-
- /**
- * To create DCAwareRoundRobing Policy:
- * Need Properties
- * LATITUDE (or AFT_LATITUDE)
- * LONGITUDE (or AFT_LONGITUDE)
- * CASSANDRA CLUSTERS with additional information:
- * machine:DC:lat:long,machine:DC:lat:long
- * @param env
- * @param prefix
- * @return
- * @throws APIException
- * @throws IOException
- */
-
- @SuppressWarnings("deprecation")
- public static synchronized Cluster cluster(Env env, String prefix) throws APIException, IOException {
- if(cb == null) {
- String pre;
- if(prefix==null) {
- pre="";
- } else {
- env.info().log("Cassandra Connection for ",prefix);
- pre = prefix+'.';
- }
- cb = Cluster.builder();
- String str = env.getProperty(pre+CASSANDRA_CLUSTERS_PORT,"9042");
- if(str!=null) {
- env.init().log("Cass Port = ",str );
- cb.withPort(Integer.parseInt(str));
- }
- str = env.getProperty(pre+CASSANDRA_CLUSTERS_USER_NAME,null);
- if(str!=null) {
- env.init().log("Cass User = ",str );
- String epass = env.getProperty(pre + CASSANDRA_CLUSTERS_PASSWORD,null);
- if(epass==null) {
- throw new APIException("No Password configured for " + str);
- }
- //TODO Figure out way to ensure Decryptor setting in AuthzEnv
- if(env instanceof AuthzEnv) {
- cb.withCredentials(str,((AuthzEnv)env).decrypt(epass,true));
- } else {
- cb.withCredentials(str, env.decryptor().decrypt(epass));
- }
- }
-
- str = env.getProperty(pre+CASSANDRA_RESET_EXCEPTIONS,null);
- if(str!=null) {
- env.init().log("Cass ResetExceptions = ",str );
- for(String ex : Split.split(',', str)) {
- resetExceptions.add(new Resettable(env,ex));
- }
- }
-
- str = env.getProperty(LATITUDE,env.getProperty("AFT_LATITUDE",null));
- Double lat = str!=null?Double.parseDouble(str):null;
- str = env.getProperty(LONGITUDE,env.getProperty("AFT_LONGITUDE",null));
- Double lon = str!=null?Double.parseDouble(str):null;
- if(lat == null || lon == null) {
- throw new APIException("LATITUDE(or AFT_LATITUDE) and/or LONGITUDE(or AFT_LATITUDE) are not set");
- }
-
- env.init().printf("Service Latitude,Longitude = %f,%f",lat,lon);
-
- str = env.getProperty(pre+CASSANDRA_CLUSTERS,"localhost");
- env.init().log("Cass Clusters = ",str );
- String[] machs = Split.split(',', str);
- String[] cpoints = new String[machs.length];
- String bestDC = null;
- int numInBestDC = 1;
- double mlat, mlon,temp,distance = -1.0;
- for(int i=0;i<machs.length;++i) {
- String[] minfo = Split.split(':',machs[i]);
- if(minfo.length>0) {
- cpoints[i]=minfo[0];
- }
-
- // Calc closest DC with Great Circle
- if(minfo.length>3) {
- mlat = Double.parseDouble(minfo[2]);
- mlon = Double.parseDouble(minfo[3]);
- if((temp=GreatCircle.calc(lat, lon, mlat, mlon)) > distance) {
- distance = temp;
- if(bestDC!=null && bestDC.equals(minfo[1])) {
- ++numInBestDC;
- } else {
- bestDC = minfo[1];
- numInBestDC = 1;
- }
- } else {
- if(bestDC!=null && bestDC.equals(minfo[1])) {
- ++numInBestDC;
- }
- }
- }
- }
-
- cb.addContactPoints(cpoints);
-
- if(bestDC!=null) {
- // 8/26/2016 Management has determined that Accuracy is preferred over speed in bad situations
- // Local DC Aware Load Balancing appears to have the highest normal performance, with the best
- // Degraded Accuracy
- cb.withLoadBalancingPolicy(new DCAwareRoundRobinPolicy(
- bestDC, numInBestDC, true /*allow LocalDC to look at other DCs for LOCAL_QUORUM */));
- env.init().printf("Cassandra configured for DCAwareRoundRobinPolicy at %s with emergency remote of up to %d node(s)"
- ,bestDC, numInBestDC);
- } else {
- env.init().printf("Cassandra is using Default Policy, which is not DC aware");
- }
- }
- return cb.build();
- }
-
- private static class Resettable {
- private Class<? extends Exception> cls;
- private List<String> messages;
-
- @SuppressWarnings("unchecked")
- public Resettable(Env env, String propData) throws APIException {
- if(propData!=null && propData.length()>1) {
- String[] split = Split.split(':', propData);
- if(split.length>0) {
- try {
- cls = (Class<? extends Exception>)Class.forName(split[0]);
- } catch (ClassNotFoundException e) {
- throw new APIException("Declared Cassandra Reset Exception, " + propData + ", cannot be ClassLoaded");
- }
- }
- if(split.length>1) {
- messages=new ArrayList<String>();
- for(int i=1;i<split.length;++i) {
- String str = split[i];
- int start = str.startsWith("\"")?1:0;
- int end = str.length()-(str.endsWith("\"")?1:0);
- messages.add(split[i].substring(start, end));
- }
- } else {
- messages = null;
- }
- }
- }
-
- public boolean matches(Exception ex) {
- if(ex.getClass().equals(cls)) {
- if(messages!=null) {
- String msg = ex.getMessage();
- for(String m : messages) {
- if(msg.contains(m)) {
- return true;
- }
- }
- }
- }
- return false;
- }
- }
-
- public static final boolean isResetException(Exception e) {
- if(e==null) {
- return true;
- }
- for(Resettable re : resetExceptions) {
- if(re.matches(e)) {
- return true;
- }
- }
- return false;
- }
-}
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