auth/auth-batch/src/main/java/org/onap/aaf/auth/batch/Batch.java

   1 /**
   2  * ============LICENSE_START====================================================
   3  * org.onap.aaf
   4  * ===========================================================================
   5  * Copyright (c) 2018 AT&T Intellectual Property. All rights reserved.
   6  * ===========================================================================
   7  * Licensed under the Apache License, Version 2.0 (the "License");
   8  * you may not use this file except in compliance with the License.
   9  * You may obtain a copy of the License at
  10  *
  11  *      http://www.apache.org/licenses/LICENSE-2.0
  12  *
  13  * Unless required by applicable law or agreed to in writing, software
  14  * distributed under the License is distributed on an "AS IS" BASIS,
  15  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  16  * See the License for the specific language governing permissions and
  17  * limitations under the License.
  18  * ============LICENSE_END====================================================
  19  *
  20  */
  21
  22 package org.onap.aaf.auth.batch;
  23
  24 import java.io.File;
  25 import java.io.FileInputStream;
  26 import java.io.FileOutputStream;
  27 import java.io.IOException;
  28 import java.io.InputStream;
  29 import java.io.PrintStream;
  30 import java.lang.reflect.Constructor;
  31 import java.net.InetAddress;
  32 import java.net.URL;
  33 import java.net.UnknownHostException;
  34 import java.nio.ByteBuffer;
  35 import java.text.SimpleDateFormat;
  36 import java.util.ArrayList;
  37 import java.util.Date;
  38 import java.util.GregorianCalendar;
  39 import java.util.HashSet;
  40 import java.util.List;
  41 import java.util.Set;
  42 import java.util.TimeZone;
  43
  44 import org.apache.log4j.Logger;
  45 import org.onap.aaf.auth.common.Define;
  46 import org.onap.aaf.auth.dao.CassAccess;
  47 import org.onap.aaf.auth.env.AuthzEnv;
  48 import org.onap.aaf.auth.env.AuthzTrans;
  49 import org.onap.aaf.auth.log4j.Log4JAccessAppender;
  50 import org.onap.aaf.auth.org.Organization;
  51 import org.onap.aaf.auth.org.OrganizationException;
  52 import org.onap.aaf.auth.org.OrganizationFactory;
  53 import org.onap.aaf.cadi.Access.Level;
  54 import org.onap.aaf.cadi.PropAccess;
  55 import org.onap.aaf.cadi.config.Config;
  56 import org.onap.aaf.misc.env.APIException;
  57 import org.onap.aaf.misc.env.Env;
  58 import org.onap.aaf.misc.env.StaticSlot;
  59 import org.onap.aaf.misc.env.TimeTaken;
  60 import org.onap.aaf.misc.env.util.Chrono;
  61 import org.onap.aaf.misc.env.util.Split;
  62 import org.onap.aaf.misc.env.util.StringBuilderOutputStream;
  63
  64 import com.datastax.driver.core.Cluster;
  65 import com.datastax.driver.core.ResultSet;
  66 import com.datastax.driver.core.Row;
  67 import com.datastax.driver.core.Session;
  68 import com.datastax.driver.core.Statement;
  69
  70 public abstract class Batch {
  71
  72     private static StaticSlot ssargs;
  73
  74     protected static final String STARS = "*****";
  75
  76     protected static Cluster cluster;
  77     protected static AuthzEnv env;
  78     protected static Session session;
  79     protected static Set<String> specialNames;
  80     protected static List<String> specialDomains;
  81     protected static boolean dryRun;
  82     protected static String batchEnv;
  83
  84     private static File logdir;
  85
  86     public static final String CASS_ENV = "CASS_ENV";
  87     public static final String LOG_DIR = "LOG_DIR";
  88     protected static final String MAX_EMAILS="MAX_EMAILS";
  89     protected static final String VERSION="VERSION";
  90     public static final String GUI_URL="GUI_URL";
  91
  92     protected final Organization org;
  93     protected String version;
  94     protected static final Date now = new Date();
  95     protected static final Date never = new Date(0);
  96
  97     protected Batch(AuthzEnv env) throws APIException, IOException, OrganizationException {
  98         if (batchEnv != null) {
  99             env.info().log("Redirecting to ",batchEnv,"environment");
 100             String str;
 101             for (String key : new String[]{
 102                     CassAccess.CASSANDRA_CLUSTERS,
 103                     CassAccess.CASSANDRA_CLUSTERS_PORT,
 104                     CassAccess.CASSANDRA_CLUSTERS_USER_NAME,
 105                     CassAccess.CASSANDRA_CLUSTERS_PASSWORD,
 106                     VERSION,GUI_URL,MAX_EMAILS,
 107                     LOG_DIR,
 108                     "SPECIAL_NAMES",
 109                     "MAIL_TEST_TO"
 110                     }) {
 111                 if ((str = env.getProperty(batchEnv+'.'+key))!=null) {
 112                     env.setProperty(key, str);
 113                 }
 114             }
 115         }
 116
 117         // Setup for Dry Run
 118         if(cluster==null) {
 119             cluster = CassAccess.cluster(env,batchEnv);
 120         }
 121         env.info().log("cluster name - ",cluster.getClusterName());
 122         String dryRunStr = env.getProperty( "DRY_RUN" );
 123         if ( dryRunStr == null || "false".equals(dryRunStr.trim()) ) {
 124             dryRun = false;
 125         } else {
 126             dryRun = true;
 127             env.info().log("dryRun set to TRUE");
 128         }
 129
 130         org = OrganizationFactory.init(env);
 131         if(org==null) {
 132             throw new OrganizationException("Organization MUST be defined for Batch");
 133         }
 134         org.setTestMode(dryRun);
 135
 136         // Special names to allow behaviors beyond normal rules
 137         specialNames = new HashSet<>();
 138         specialDomains = new ArrayList<>();
 139         String names = env.getProperty( "SPECIAL_NAMES" );
 140         if ( names != null )
 141         {
 142             env.info().log("Loading SPECIAL_NAMES");
 143             for (String s :names.split(",") ) {
 144                 env.info().log("\tspecial: " + s );
 145                 if(s.indexOf('@')>0) {
 146                     specialNames.add( s.trim() );
 147                 } else {
 148                     specialDomains.add(s.trim());
 149                 }
 150             }
 151         }
 152
 153         version = env.getProperty(VERSION,Config.AAF_DEFAULT_API_VERSION);
 154     }
 155
 156     protected abstract void run(AuthzTrans trans);
 157     protected void _close(AuthzTrans trans) {}
 158
 159     public String[] args() {
 160         return env.get(ssargs);
 161     }
 162
 163     public boolean isDryRun()
 164     {
 165         return dryRun;
 166     }
 167
 168     public boolean isSpecial(String user) {
 169         if(user==null) {
 170             return false;
 171         }
 172         if (specialNames != null && specialNames.contains(user)) {
 173             env.info().log("specialName: " + user);
 174             return (true);
 175         } else {
 176             if(specialDomains!=null) {
 177                 for(String sd : specialDomains) {
 178                     if(user.endsWith(sd)) {
 179                         env.info().log("specialDomain: " + user + " matches " + sd);
 180                         return (true);
 181                     }
 182                 }
 183             }
 184         }
 185         return (false);
 186     }
 187
 188
 189     protected PrintStream fallout(PrintStream inFallout, String logType)
 190             throws IOException {
 191         PrintStream fallout = inFallout;
 192         if (fallout == null) {
 193             File dir = new File("logs");
 194             if (!dir.exists()) {
 195                 dir.mkdirs();
 196             }
 197
 198             File f = null;
 199             long uniq = System.currentTimeMillis();
 200
 201             f = new File(dir, getClass().getSimpleName() + "_" + logType + "_"
 202                     + uniq + ".log");
 203
 204             fallout = new PrintStream(new FileOutputStream(f, true));
 205         }
 206         return fallout;
 207     }
 208
 209     public Organization getOrgFromID(AuthzTrans trans, String user) {
 210         Organization organization;
 211         try {
 212             organization = OrganizationFactory.obtain(trans.env(),user.toLowerCase());
 213         } catch (OrganizationException e1) {
 214             trans.error().log(e1);
 215             organization=null;
 216         }
 217
 218         if (organization == null) {
 219             PrintStream fallout = null;
 220
 221             try {
 222                 fallout = fallout(fallout, "Fallout");
 223                 fallout.print("INVALID_ID,");
 224                 fallout.println(user);
 225             } catch (Exception e) {
 226                 env.error().log("Could not write to Fallout File", e);
 227             }
 228             return (null);
 229         }
 230
 231         return (organization);
 232     }
 233
 234     public static Row executeDeleteQuery(Statement stmt) {
 235         Row row = null;
 236         if (!dryRun) {
 237             row = session.execute(stmt).one();
 238         }
 239
 240         return (row);
 241
 242     }
 243
 244     public static int acquireRunLock(String className) {
 245         Boolean testEnv = true;
 246         String envStr = env.getProperty("AFT_ENVIRONMENT");
 247
 248         if (envStr != null) {
 249             if ("AFTPRD".equals(envStr)) {
 250                 testEnv = false;
 251             }
 252         } else {
 253             env.fatal()
 254                     .log("AFT_ENVIRONMENT property is required and was not found. Exiting.");
 255             System.exit(1);
 256         }
 257
 258         if (testEnv) {
 259             env.info().log("TESTMODE: skipping RunLock");
 260             return (1);
 261         }
 262
 263         String hostname = null;
 264         try {
 265             hostname = InetAddress.getLocalHost().getHostName();
 266         } catch (UnknownHostException e) {
 267             e.printStackTrace();
 268             env.warn().log("Unable to get hostname");
 269             return (0);
 270         }
 271
 272         ResultSet existing = session.execute(String.format(
 273                 "select * from authz.run_lock where class = '%s'", className));
 274
 275         for (Row row : existing) {
 276             long curr = System.currentTimeMillis();
 277             ByteBuffer lastRun = row.getBytesUnsafe(2); // Can I get this field
 278                                                         // by name?
 279
 280             long interval = (1 * 60 * 1000); // @@ Create a value in props file
 281                                                 // for this
 282             long prev = lastRun.getLong();
 283
 284             if ((curr - prev) <= interval) {
 285                 env.warn().log(
 286                         String.format("Too soon! Last run was %d minutes ago.",
 287                                 ((curr - prev) / 1000) / 60));
 288                 env.warn().log(
 289                         String.format("Min time between runs is %d minutes ",
 290                                 (interval / 1000) / 60));
 291                 env.warn().log(
 292                         String.format("Last ran on machine: %s at %s",
 293                                 row.getString("host"), row.getDate("start")));
 294                 return (0);
 295             } else {
 296                 env.info().log("Delete old lock");
 297                 deleteLock(className);
 298             }
 299         }
 300
 301         GregorianCalendar current = new GregorianCalendar();
 302
 303         // We want our time in UTC, hence "+0000"
 304         SimpleDateFormat fmt = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss+0000");
 305         fmt.setTimeZone(TimeZone.getTimeZone("UTC"));
 306
 307         String cql = String
 308                 .format("INSERT INTO authz.run_lock (class,host,start) VALUES ('%s','%s','%s') IF NOT EXISTS",
 309                         className, hostname, fmt.format(current.getTime()));
 310
 311         env.info().log(cql);
 312
 313         Row row = session.execute(cql).one();
 314         if (!row.getBool("[applied]")) {
 315             env.warn().log("Lightweight Transaction failed to write lock.");
 316             env.warn().log(
 317                     String.format("host with lock: %s, running at %s",
 318                             row.getString("host"), row.getDate("start")));
 319             return (0);
 320         }
 321         return (1);
 322     }
 323
 324     private static void deleteLock( String className) {
 325         Row row = session.execute( String.format( "DELETE FROM authz.run_lock WHERE class = '%s' IF EXISTS", className ) ).one();
 326         if (! row.getBool("[applied]")) {
 327             env.info().log( "delete failed" );
 328         }
 329     }
 330
 331     private static void transferVMProps(AuthzEnv env, String ... props) {
 332         String value;
 333         for (String key : props) {
 334             if ((value = System.getProperty(key))!=null) {
 335                 env.setProperty(key, value);
 336             }
 337         }
 338     }
 339
 340     protected static File logDir() {
 341         if(logdir == null) {
 342             String ld = env.getProperty(LOG_DIR);
 343             if (ld==null) {
 344                 if (batchEnv==null) { // Deployed Batch doesn't use different ENVs, and a common logdir
 345                     ld = "logs/";
 346                 } else {
 347                     ld = "logs/"+batchEnv;
 348                 }
 349             }
 350             logdir = new File(ld);
 351             if(!logdir.exists()) {
 352                 logdir.mkdirs();
 353             }
 354         }
 355         return logdir;
 356     }
 357     protected int count(String str, char c) {
 358         if (str==null || str.isEmpty()) {
 359             return 0;
 360         } else {
 361             int count=1;
 362             for (int i=str.indexOf(c);i>=0;i=str.indexOf(c,i+1)) {
 363                 ++count;
 364             }
 365             return count;
 366         }
 367     }
 368
 369     public final void close(AuthzTrans trans) {
 370         _close(trans);
 371         if(session!=null) {
 372             session.close();
 373             session = null;
 374         }
 375         if(cluster!=null && !cluster.isClosed()) {
 376             cluster.close();
 377         }
 378     }
 379
 380     public static void main(String[] args) {
 381         // Use a StringBuilder to save off logs until a File can be setup
 382         StringBuilderOutputStream sbos = new StringBuilderOutputStream();
 383         PropAccess access = new PropAccess(new PrintStream(sbos),args);
 384         access.log(Level.INIT, "------- Starting Batch ------\n  Args: ");
 385         for(String s: args) {
 386             sbos.getBuffer().append(s);
 387             sbos.getBuffer().append(' ');
 388         }
 389
 390         InputStream is = null;
 391         String filename;
 392         String propLoc;
 393         try {
 394             Define.set(access);
 395
 396             if(access.getProperty(Config.CADI_PROP_FILES)==null) {
 397                 File f = new File("authBatch.props");
 398                 try {
 399                     if (f.exists()) {
 400                         filename = f.getAbsolutePath();
 401                         is = new FileInputStream(f);
 402                         propLoc = f.getPath();
 403                     } else {
 404                         URL rsrc = ClassLoader.getSystemResource("authBatch.props");
 405                         filename = rsrc.toString();
 406                         is = rsrc.openStream();
 407                         propLoc = rsrc.getPath();
 408                     }
 409                     access.load(is);
 410                 } finally {
 411                     if (is == null) {
 412                         System.err.println("authBatch.props must exist in current dir, or in Classpath");
 413                         System.exit(1);
 414                     }
 415                     is.close();
 416                 }
 417                 if (filename != null) {
 418                     access.log(Level.INFO,"Instantiated properties from", filename);
 419                 }
 420
 421                 // Log where Config found
 422                 access.log(Level.INFO,"Configuring from", propLoc);
 423
 424             }
 425
 426             env = new AuthzEnv(access);
 427
 428             transferVMProps(env, CASS_ENV, "DRY_RUN", "NS", "Organization");
 429
 430             // Be able to change Environments
 431             // load extra properties, i.e.
 432             // PERF.cassandra.clusters=....
 433             batchEnv = env.getProperty(CASS_ENV);
 434             if(batchEnv!=null) {
 435                 batchEnv = batchEnv.trim();
 436             }
 437
 438             File logFile = new File(logDir() + "/batch" + Chrono.dateOnlyStamp(new Date()) + ".log" );
 439             PrintStream batchLog = new PrintStream(new FileOutputStream(logFile,true));
 440             try {
 441                 access.setStreamLogIt(batchLog);
 442                 sbos.flush();
 443                 batchLog.print(sbos.getBuffer());
 444                 sbos = null;
 445                 Logger.getRootLogger().addAppender(new Log4JAccessAppender(access));
 446
 447                 Batch batch = null;
 448                 AuthzTrans trans = env.newTrans();
 449
 450                 TimeTaken tt = trans.start("Total Run", Env.SUB);
 451                 try {
 452                     int len = args.length;
 453                     if (len > 0) {
 454                         String toolName = args[0];
 455                         len -= 1;
 456                         if (len < 0)
 457                             len = 0;
 458                         String nargs[] = new String[len];
 459                         if (len > 0) {
 460                             System.arraycopy(args, 1, nargs, 0, len);
 461                         }
 462
 463                         env.put(ssargs = env.staticSlot("ARGS"), nargs);
 464
 465                         /*
 466                          * Add New Batch Programs (inherit from Batch) here
 467                          */
 468
 469                         // Might be a Report, Update or Temp Batch
 470                         Class<?> cls = null;
 471                         String classifier = "";
 472
 473                         String[] pkgs = new String[] {
 474                                 "org.onap.aaf.auth.batch.update",
 475                                 "org.onap.aaf.auth.batch.reports",
 476                                 "org.onap.aaf.auth.batch.temp"
 477                                 };
 478
 479                         String ebp = env.getProperty("EXTRA_BATCH_PKGS");
 480                         if(ebp!=null) {
 481                             String[] ebps = Split.splitTrim(':', ebp);
 482                             String[] temp = new String[ebps.length + pkgs.length];
 483                             System.arraycopy(pkgs,0, temp, 0, pkgs.length);
 484                             System.arraycopy(ebps,0,temp,pkgs.length,ebps.length);
 485                             pkgs = temp;
 486                         }
 487
 488                         for(String p : pkgs) {
 489                             try {
 490                                 cls = ClassLoader.getSystemClassLoader().loadClass(p + '.' + toolName);
 491                                 int lastDot = p.lastIndexOf('.');
 492                                 if(p.length()>0 || p.length()!=lastDot) {
 493                                     StringBuilder sb = new StringBuilder();
 494                                     sb.append(Character.toUpperCase(p.charAt(++lastDot)));
 495                                     while(++lastDot<p.length()) {
 496                                         sb.append(p.charAt(lastDot));
 497                                     }
 498                                     sb.append(':');
 499                                     classifier = sb.toString();
 500                                     break;
 501                                 }
 502                             } catch (ClassNotFoundException e) {
 503                                 cls = null;
 504                             }
 505                         }
 506                         if (cls != null) {
 507                             Constructor<?> cnst = cls.getConstructor(AuthzTrans.class);
 508                             batch = (Batch) cnst.newInstance(trans);
 509                             env.info().log("Begin", classifier, toolName);
 510                         }
 511
 512
 513                         if (batch == null) {
 514                             trans.error().log("No Batch named", toolName, "found");
 515                         }
 516                         /*
 517                          * End New Batch Programs (inherit from Batch) here
 518                          */
 519
 520                     }
 521                     if (batch != null) {
 522                         try {
 523                             batch.run(trans);
 524                         } catch (Exception e) {
 525                             if(cluster!=null && !cluster.isClosed()) {
 526                                 cluster.close();
 527                             }
 528                             trans.error().log(e);
 529                         }
 530                     }
 531                 } finally {
 532                     tt.done();
 533                     if (batch != null) {
 534                         batch.close(trans);
 535                     }
 536                     StringBuilder sb = new StringBuilder("Task Times\n");
 537                     trans.auditTrail(4, sb, AuthzTrans.SUB, AuthzTrans.REMOTE);
 538                     trans.info().log(sb);
 539                 }
 540             } finally {
 541                 batchLog.close();
 542             }
 543
 544         } catch (Exception e) {
 545             if(cluster!=null && !cluster.isClosed()) {
 546                 cluster.close();
 547             }
 548             e.printStackTrace(System.err);
 549         }
 550     }
 551
 552 }
 553