gerrit.onap Code Review - ccsdk/features.git/blob

   1 /*
   2  * ============LICENSE_START=======================================================
   3  * ONAP : ccsdk features
   4  * ================================================================================
   5  * Copyright (C) 2020 highstreet technologies GmbH Intellectual Property.
   6  * All rights reserved.
   7  * ================================================================================
   8  * Licensed under the Apache License, Version 2.0 (the "License");
   9  * you may not use this file except in compliance with the License.
  10  * You may obtain a copy of the License at
  11  *
  12  *     http://www.apache.org/licenses/LICENSE-2.0
  13  *
  14  * Unless required by applicable law or agreed to in writing, software
  15  * distributed under the License is distributed on an "AS IS" BASIS,
  16  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  17  * See the License for the specific language governing permissions and
  18  * limitations under the License.
  19  * ============LICENSE_END=========================================================
  20  *
  21  */
  22 package org.onap.ccsdk.features.sdnr.wt.dataprovider.setup;
  23
  24 import java.io.File;
  25 import java.io.FileNotFoundException;
  26 import java.io.IOException;
  27 import java.nio.charset.StandardCharsets;
  28 import java.nio.file.Files;
  29 import java.text.ParseException;
  30 import java.util.ArrayList;
  31 import java.util.Arrays;
  32 import java.util.List;
  33 import java.util.Set;
  34
  35 import org.json.JSONObject;
  36 import org.onap.ccsdk.features.sdnr.wt.common.database.HtDatabaseClient;
  37 import org.onap.ccsdk.features.sdnr.wt.common.database.Portstatus;
  38 import org.onap.ccsdk.features.sdnr.wt.common.database.SearchHit;
  39 import org.onap.ccsdk.features.sdnr.wt.common.database.SearchResult;
  40 import org.onap.ccsdk.features.sdnr.wt.common.database.config.HostInfo;
  41 import org.onap.ccsdk.features.sdnr.wt.common.database.data.AliasesEntry;
  42 import org.onap.ccsdk.features.sdnr.wt.common.database.data.AliasesEntryList;
  43 import org.onap.ccsdk.features.sdnr.wt.common.database.data.EsVersion;
  44 import org.onap.ccsdk.features.sdnr.wt.common.database.data.IndicesEntry;
  45 import org.onap.ccsdk.features.sdnr.wt.common.database.data.IndicesEntryList;
  46 import org.onap.ccsdk.features.sdnr.wt.common.database.requests.CreateAliasRequest;
  47 import org.onap.ccsdk.features.sdnr.wt.common.database.requests.CreateIndexRequest;
  48 import org.onap.ccsdk.features.sdnr.wt.common.database.requests.DeleteAliasRequest;
  49 import org.onap.ccsdk.features.sdnr.wt.common.database.requests.DeleteIndexRequest;
  50 import org.onap.ccsdk.features.sdnr.wt.common.database.responses.AcknowledgedResponse;
  51 import org.onap.ccsdk.features.sdnr.wt.common.database.responses.GetInfoResponse;
  52 import org.onap.ccsdk.features.sdnr.wt.common.database.responses.ListAliasesResponse;
  53 import org.onap.ccsdk.features.sdnr.wt.common.database.responses.ListIndicesResponse;
  54 import org.onap.ccsdk.features.sdnr.wt.dataprovider.setup.data.ComponentData;
  55 import org.onap.ccsdk.features.sdnr.wt.dataprovider.setup.data.ComponentName;
  56 import org.onap.ccsdk.features.sdnr.wt.dataprovider.setup.data.DataMigrationReport;
  57 import org.onap.ccsdk.features.sdnr.wt.dataprovider.setup.data.DataContainer;
  58 import org.onap.ccsdk.features.sdnr.wt.dataprovider.setup.data.Release;
  59 import org.onap.ccsdk.features.sdnr.wt.dataprovider.setup.data.SearchHitConverter;
  60 import org.slf4j.Logger;
  61 import org.slf4j.LoggerFactory;
  62
  63 public class DataMigrationProviderImpl implements DataMigrationProviderService {
  64
  65
  66     private static final Logger LOG = LoggerFactory.getLogger(DataMigrationProviderImpl.class);
  67     private final HtDatabaseClient dbClient;
  68
  69     public DataMigrationProviderImpl(HostInfo[] hosts, String username, String password, boolean trustAll,
  70             long timeoutms) {
  71
  72         if (timeoutms > 0) {
  73             Portstatus.waitSecondsTillAvailable(timeoutms / 1000, hosts);
  74         }
  75         this.dbClient = new HtDatabaseClient(hosts, username, password, trustAll);
  76     }
  77
  78     @Override
  79     public DataMigrationReport importData(String filename, boolean dryrun) throws Exception {
  80         return this.importData(filename, dryrun, Release.CURRENT_RELEASE);
  81     }
  82
  83     public DataMigrationReport importData(String filename, boolean dryrun, Release forRelease) throws Exception {
  84         DataMigrationReport report = new DataMigrationReport();
  85         File file = new File(filename);
  86         if (!file.exists()) {
  87             if (dryrun) {
  88                 report.error("file %s not found", filename);
  89                 return report;
  90             }
  91             throw new FileNotFoundException(filename);
  92         }
  93         DataContainer container = null;
  94         try {
  95             container = DataContainer.load(file);
  96         } catch (Exception e) {
  97             if (dryrun) {
  98                 report.error("problem loading file %s: %s", filename, e.getMessage());
  99                 return report;
 100             }
 101             throw new Exception("problem loading file " + filename, e);
 102         }
 103         ReleaseInformation ri = ReleaseInformation.getInstance(forRelease);
 104         SearchHitConverter converter;
 105         Set<ComponentName> components = ri.getComponents();
 106         //for all db components of dest architecture
 107         for (ComponentName component : components) {
 108             //convert to ComponentData for current release with existing ComponentData of the container
 109             converter = SearchHitConverter.Factory.getInstance(container.getRelease(), forRelease, component);
 110             if (converter == null) {
 111                 continue;
 112             }
 113             ComponentData data = converter.convert(container);
 114             if (data != null) {
 115                 String indexName = ri.getAlias(component);
 116                 String dataTypeName = ri.getDataType(component);
 117                 if (dryrun) {
 118                     report.log("write %d entries into %s/%s", data.size(), indexName, dataTypeName);
 119                 } else {
 120                     LOG.debug("write {} entries into {}/{}", data.size(), indexName, dataTypeName);
 121                 }
 122                 for (SearchHit item : data) {
 123                     if (!dryrun) {
 124                         String id = this.dbClient.doWriteRaw(indexName, dataTypeName, item.getId(),
 125                                 item.getSourceAsString());
 126                         if (!item.getId().equals(id)) {
 127                             LOG.warn("entry for {} with original id {} was written with another id {}",
 128                                     component.getValue(), item.getId(), id);
 129                         }
 130                     }
 131                 }
 132             } else {
 133                 if (dryrun) {
 134                     report.error("unable to convert data for " + component.getValue() + " from version "
 135                             + container.getRelease().getValue() + " to " + forRelease.getValue() + "\n");
 136                 } else {
 137                     LOG.warn("unable to convert data for {} from version {} to {}", component.getValue(),
 138                             container.getRelease().getValue(), forRelease.getValue());
 139                 }
 140             }
 141         }
 142         LOG.info("import of {} completed", filename);
 143         if (dryrun) {
 144             report.log("import of %s completed", filename);
 145         }
 146         report.setCompleted(true);
 147         return report;
 148     }
 149
 150
 151     /**
 152      * export data if file exists .1 (.n) will be created
 153      *
 154      */
 155     @Override
 156     public DataMigrationReport exportData(String filename) {
 157         DataMigrationReport report = new DataMigrationReport();
 158
 159         DataContainer container = new DataContainer();
 160
 161         filename = this.checkFilenameForWrite(filename);
 162         LOG.info("output will be written to {}", filename);
 163         //autodetect version
 164         Release dbRelease = this.autoDetectRelease();
 165         if (dbRelease == null) {
 166             report.error("unbable to detect db release. is database initialized?");
 167             return report;
 168         }
 169         ReleaseInformation ri = ReleaseInformation.getInstance(dbRelease);
 170         boolean componentsSucceeded = true;
 171         for (ComponentName c : ri.getComponents()) {
 172             ComponentData data = new ComponentData(c);
 173             SearchResult<SearchHit> result = this.dbClient.doReadAllJsonData(ri.getAlias(c), ri.getDataType(c), false);
 174             data.addAll(result.getHits());
 175             container.addComponent(c, data);
 176         }
 177         try {
 178             Files.write(new File(filename).toPath(), Arrays.asList(container.toJSON()), StandardCharsets.UTF_8);
 179             report.setCompleted(componentsSucceeded);
 180         } catch (IOException e) {
 181             LOG.warn("problem writing data to {}: {}", filename, e);
 182         }
 183         return report;
 184     }
 185
 186     private String checkFilenameForWrite(String filename) {
 187         File f = new File(filename);
 188         if (!f.exists()) {
 189             return filename;
 190         }
 191         return this.checkFilenameForWrite(filename, 0);
 192     }
 193
 194     private String checkFilenameForWrite(String filename, int apdx) {
 195         File f = new File(String.format("$s.$d", filename, apdx));
 196         if (!f.exists()) {
 197             return filename;
 198         }
 199         return this.checkFilenameForWrite(filename, apdx + 1);
 200     }
 201
 202     @Override
 203     public Release getCurrentVersion() {
 204         return Release.CURRENT_RELEASE;
 205     }
 206
 207
 208     public Release autoDetectRelease() {
 209         EsVersion dbVersion = this.readActualVersion();
 210         AliasesEntryList aliases = this.readAliases();
 211         IndicesEntryList indices = this.readIndices();
 212         if (indices == null) {
 213             return null;
 214         }
 215         List<Release> foundReleases = new ArrayList<>();
 216         //if there are active aliases reduce indices to the active ones
 217         if (aliases != null && aliases.size() > 0) {
 218             indices = indices.subList(aliases.getLinkedIndices());
 219         }
 220         for (Release r : Release.values()) {
 221             if (r.isDbInRange(dbVersion)) {
 222                 ReleaseInformation ri = ReleaseInformation.getInstance(r);
 223                 if (ri != null && ri.containsIndices(indices)) {
 224                     foundReleases.add(r);
 225                 }
 226             }
 227         }
 228         if (foundReleases.size() == 1) {
 229             return foundReleases.get(0);
 230         }
 231         LOG.error("detect {} releases: {}. unable to detect for which one to do sth.", foundReleases.size(),
 232                 foundReleases);
 233         return null;
 234     }
 235
 236     private EsVersion readActualVersion() {
 237         try {
 238             GetInfoResponse response = this.dbClient.getInfo();
 239             return response.getVersion();
 240         } catch (Exception e) {
 241             LOG.warn(e.getMessage());
 242         }
 243         return null;
 244     }
 245
 246     private AliasesEntryList readAliases() {
 247         AliasesEntryList entries = null;
 248         try {
 249             ListAliasesResponse response = this.dbClient.getAliases();
 250             entries = response.getEntries();
 251         } catch (ParseException | IOException e) {
 252             LOG.error(e.getMessage());
 253         }
 254         return entries;
 255     }
 256
 257     private IndicesEntryList readIndices() {
 258         IndicesEntryList entries = null;
 259         try {
 260             ListIndicesResponse response = this.dbClient.getIndices();
 261             entries = response.getEntries();
 262         } catch (ParseException | IOException e) {
 263             LOG.error(e.getMessage());
 264         }
 265         return entries;
 266     }
 267
 268     @Override
 269     public boolean initDatabase(Release release, int numShards, int numReplicas, String dbPrefix, boolean forceRecreate,
 270             long timeoutms) {
 271         if (timeoutms > 0) {
 272             this.dbClient.waitForYellowStatus(timeoutms);
 273         }
 274         EsVersion dbVersion = this.readActualVersion();
 275         if (dbVersion == null) {
 276             return false;
 277         }
 278         if (!release.isDbInRange(dbVersion)) {
 279             LOG.warn("db version {} maybe not compatible with release {}", dbVersion, release);
 280             return false;
 281         }
 282         if (forceRecreate) {
 283             this.clearDatabase(release, dbPrefix, 0);
 284         }
 285         ReleaseInformation ri = ReleaseInformation.getInstance(release);
 286         AliasesEntryList aliases = this.readAliases();
 287         IndicesEntryList indices = this.readIndices();
 288         if (aliases == null || indices == null) {
 289             return false;
 290         }
 291         AcknowledgedResponse response = null;
 292         if (!ri.runPreInitCommands(this.dbClient)) {
 293             return false;
 294         }
 295         for (ComponentName component : ri.getComponents()) {
 296             try {
 297                 if (ri.hasOwnDbIndex(component)) {
 298                     //check if index already exists
 299                     String indexName = ri.getIndex(component, dbPrefix);
 300                     String aliasName = ri.getAlias(component, dbPrefix);
 301                     if (indices.findByIndex(indexName) == null) {
 302                         LOG.info("creating index for {}", component);
 303                         CreateIndexRequest request = new CreateIndexRequest(ri.getIndex(component, dbPrefix));
 304                         request.mappings(new JSONObject(ri.getDatabaseMapping(component)));
 305                         request.settings(new JSONObject(ri.getDatabaseSettings(component, numShards, numReplicas)));
 306                         response = this.dbClient.createIndex(request);
 307                         LOG.info(response.isAcknowledged() ? "succeeded" : "failed");
 308                     } else {
 309                         LOG.info("index {} for {} already exists", indexName, component);
 310                     }
 311                     //check if alias already exists
 312                     if (aliases.findByAlias(aliasName) == null) {
 313                         LOG.info("creating alias for {}", component);
 314                         response = this.dbClient.createAlias(new CreateAliasRequest(indexName, aliasName));
 315                         LOG.info(response.isAcknowledged() ? "succeeded" : "failed");
 316                     } else {
 317                         LOG.info("alias {} for index {} for {} already exists", aliasName, indexName, component);
 318                     }
 319                 }
 320             } catch (IOException e) {
 321                 LOG.error(e.getMessage());
 322                 return false;
 323             }
 324         }
 325         if (!ri.runPostInitCommands(this.dbClient)) {
 326             return false;
 327         }
 328         return true;
 329     }
 330
 331     @Override
 332     public boolean clearDatabase(Release release, String dbPrefix, long timeoutms) {
 333
 334         if (timeoutms > 0) {
 335             this.dbClient.waitForYellowStatus(timeoutms);
 336         }
 337         //check aliases
 338         AliasesEntryList entries = this.readAliases();
 339         if (entries == null) {
 340             return false;
 341         }
 342         ReleaseInformation ri = ReleaseInformation.getInstance(release);
 343         AcknowledgedResponse response;
 344         if (entries.size() <= 0) {
 345             LOG.info("no aliases to clear");
 346         } else {
 347             //check for every component of release if alias exists
 348             for (ComponentName component : ri.getComponents()) {
 349                 String aliasToDelete = ri.getAlias(component, dbPrefix);
 350                 AliasesEntry entryToDelete = entries.findByAlias(aliasToDelete);
 351                 if (entryToDelete != null) {
 352                     try {
 353                         LOG.info("deleting alias {} for index {}", entryToDelete.getAlias(), entryToDelete.getIndex());
 354                         response = this.dbClient.deleteAlias(
 355                                 new DeleteAliasRequest(entryToDelete.getIndex(), entryToDelete.getAlias()));
 356                         LOG.info(response.isResponseSucceeded() ? "succeeded" : "failed");
 357                     } catch (IOException e) {
 358                         LOG.error(e.getMessage());
 359                         return false;
 360                     }
 361                 }
 362             }
 363         }
 364         IndicesEntryList entries2 = this.readIndices();
 365         if (entries2 == null) {
 366             return false;
 367         }
 368         if (entries2.size() <= 0) {
 369             LOG.info("no indices to clear");
 370         } else {
 371             //check for every component of release if index exists
 372             for (ComponentName component : ri.getComponents()) {
 373                 String indexToDelete = ri.getIndex(component, dbPrefix);
 374                 IndicesEntry entryToDelete = entries2.findByIndex(indexToDelete);
 375                 if (entryToDelete != null) {
 376                     try {
 377                         LOG.info("deleting index {}", entryToDelete.getName());
 378                         response = this.dbClient.deleteIndex(new DeleteIndexRequest(entryToDelete.getName()));
 379                         LOG.info(response.isResponseSucceeded() ? "succeeded" : "failed");
 380                     } catch (IOException e) {
 381                         LOG.error(e.getMessage());
 382                         return false;
 383                     }
 384                 }
 385             }
 386         }
 387
 388         return true;
 389     }
 390
 391     /**
 392      * @param timeoutms
 393      * @return
 394      */
 395     public boolean clearCompleteDatabase(long timeoutms) {
 396         if (timeoutms > 0) {
 397             this.dbClient.waitForYellowStatus(timeoutms);
 398         }
 399         //check aliases and indices
 400         AliasesEntryList aliases = this.readAliases();
 401         IndicesEntryList indices = this.readIndices();
 402         if (aliases == null || indices == null) {
 403             return false;
 404         }
 405         for (AliasesEntry alias : aliases) {
 406             try {
 407                 LOG.info("deleting alias {} for index {}", alias.getAlias(), alias.getIndex());
 408                 this.dbClient.deleteAlias(new DeleteAliasRequest(alias.getIndex(), alias.getAlias()));
 409             } catch (IOException e) {
 410                 LOG.error("problem deleting alias {}: {}", alias.getAlias(), e);
 411                 return false;
 412             }
 413         }
 414         for (IndicesEntry index : indices) {
 415             try {
 416                 LOG.info("deleting index {}", index.getName());
 417                 this.dbClient.deleteIndex(new DeleteIndexRequest(index.getName()));
 418             } catch (IOException e) {
 419                 LOG.error("problem deleting index {}: {}", index.getName(), e);
 420                 return false;
 421             }
 422         }
 423         return true;
 424     }
 425
 426 }