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 import org.json.JSONObject;
  35 import org.onap.ccsdk.features.sdnr.wt.common.database.HtDatabaseClient;
  36 import org.onap.ccsdk.features.sdnr.wt.common.database.Portstatus;
  37 import org.onap.ccsdk.features.sdnr.wt.common.database.SearchHit;
  38 import org.onap.ccsdk.features.sdnr.wt.common.database.SearchResult;
  39 import org.onap.ccsdk.features.sdnr.wt.common.database.config.HostInfo;
  40 import org.onap.ccsdk.features.sdnr.wt.common.database.data.AliasesEntry;
  41 import org.onap.ccsdk.features.sdnr.wt.common.database.data.AliasesEntryList;
  42 import org.onap.ccsdk.features.sdnr.wt.common.database.data.EsVersion;
  43 import org.onap.ccsdk.features.sdnr.wt.common.database.data.IndicesEntry;
  44 import org.onap.ccsdk.features.sdnr.wt.common.database.data.IndicesEntryList;
  45 import org.onap.ccsdk.features.sdnr.wt.common.database.requests.CreateAliasRequest;
  46 import org.onap.ccsdk.features.sdnr.wt.common.database.requests.CreateIndexRequest;
  47 import org.onap.ccsdk.features.sdnr.wt.common.database.requests.DeleteAliasRequest;
  48 import org.onap.ccsdk.features.sdnr.wt.common.database.requests.DeleteIndexRequest;
  49 import org.onap.ccsdk.features.sdnr.wt.common.database.responses.AcknowledgedResponse;
  50 import org.onap.ccsdk.features.sdnr.wt.common.database.responses.GetInfoResponse;
  51 import org.onap.ccsdk.features.sdnr.wt.common.database.responses.ListAliasesResponse;
  52 import org.onap.ccsdk.features.sdnr.wt.common.database.responses.ListIndicesResponse;
  53 import org.onap.ccsdk.features.sdnr.wt.dataprovider.setup.data.ComponentData;
  54 import org.onap.ccsdk.features.sdnr.wt.dataprovider.setup.data.ComponentName;
  55 import org.onap.ccsdk.features.sdnr.wt.dataprovider.setup.data.DataContainer;
  56 import org.onap.ccsdk.features.sdnr.wt.dataprovider.setup.data.DataMigrationReport;
  57 import org.onap.ccsdk.features.sdnr.wt.dataprovider.setup.data.Release;
  58 import org.onap.ccsdk.features.sdnr.wt.dataprovider.setup.data.SearchHitConverter;
  59 import org.slf4j.Logger;
  60 import org.slf4j.LoggerFactory;
  61
  62 public class DataMigrationProviderImpl implements DataMigrationProviderService {
  63
  64
  65     private static final Logger LOG = LoggerFactory.getLogger(DataMigrationProviderImpl.class);
  66     private final HtDatabaseClient dbClient;
  67
  68     public DataMigrationProviderImpl(HostInfo[] hosts, String username, String password, boolean trustAll,
  69             long timeoutms) {
  70
  71         if (timeoutms > 0) {
  72             Portstatus.waitSecondsTillAvailable(timeoutms / 1000, hosts);
  73         }
  74         try {
  75             this.dbClient = HtDatabaseClient.getClient(hosts, username, password, trustAll);
  76         } catch (Exception e) {
  77             throw new IllegalArgumentException("Can not reach database with parameters.",e);
  78         }
  79     }
  80
  81     @Override
  82     public DataMigrationReport importData(String filename, boolean dryrun) throws Exception {
  83         return this.importData(filename, dryrun, Release.CURRENT_RELEASE);
  84     }
  85
  86     public DataMigrationReport importData(String filename, boolean dryrun, Release forRelease) throws Exception {
  87         DataMigrationReport report = new DataMigrationReport();
  88         File file = new File(filename);
  89         if (!file.exists()) {
  90             if (dryrun) {
  91                 report.error("file %s not found", filename);
  92                 return report;
  93             }
  94             throw new FileNotFoundException(filename);
  95         }
  96         DataContainer container = null;
  97         try {
  98             container = DataContainer.load(file);
  99         } catch (Exception e) {
 100             if (dryrun) {
 101                 report.error("problem loading file %s: %s", filename, e.getMessage());
 102                 return report;
 103             }
 104             throw new Exception("problem loading file " + filename, e);
 105         }
 106         ReleaseInformation ri = ReleaseInformation.getInstance(forRelease);
 107         SearchHitConverter converter;
 108         Set<ComponentName> components = ri.getComponents();
 109         //for all db components of dest architecture
 110         for (ComponentName component : components) {
 111             //convert to ComponentData for current release with existing ComponentData of the container
 112             converter = SearchHitConverter.Factory.getInstance(container.getRelease(), forRelease, component);
 113             if (converter == null) {
 114                 continue;
 115             }
 116             ComponentData data = converter.convert(container);
 117             if (data != null) {
 118                 String indexName = ri.getAlias(component);
 119                 String dataTypeName = ri.getDataType(component);
 120                 if (dryrun) {
 121                     report.log("write %d entries into %s/%s", data.size(), indexName, dataTypeName);
 122                 } else {
 123                     LOG.debug("write {} entries into {}/{}", data.size(), indexName, dataTypeName);
 124                 }
 125                 for (SearchHit item : data) {
 126                     if (!dryrun) {
 127                         String id = this.dbClient.doWriteRaw(indexName, dataTypeName, item.getId(),
 128                                 item.getSourceAsString());
 129                         if (!item.getId().equals(id)) {
 130                             LOG.warn("entry for {} with original id {} was written with another id {}",
 131                                     component.getValue(), item.getId(), id);
 132                         }
 133                     }
 134                 }
 135             } else {
 136                 if (dryrun) {
 137                     report.error("unable to convert data for " + component.getValue() + " from version "
 138                             + container.getRelease().getValue() + " to " + forRelease.getValue() + "\n");
 139                 } else {
 140                     LOG.warn("unable to convert data for {} from version {} to {}", component.getValue(),
 141                             container.getRelease().getValue(), forRelease.getValue());
 142                 }
 143             }
 144         }
 145         LOG.info("import of {} completed", filename);
 146         if (dryrun) {
 147             report.log("import of %s completed", filename);
 148         }
 149         report.setCompleted(true);
 150         return report;
 151     }
 152
 153
 154     /**
 155      * export data if file exists .1 (.n) will be created
 156      *
 157      */
 158     @Override
 159     public DataMigrationReport exportData(String filename) {
 160         DataMigrationReport report = new DataMigrationReport();
 161
 162         DataContainer container = new DataContainer();
 163
 164         filename = this.checkFilenameForWrite(filename);
 165         LOG.info("output will be written to {}", filename);
 166         //autodetect version
 167         Release dbRelease = this.autoDetectRelease();
 168         if (dbRelease == null) {
 169             report.error("unbable to detect db release. is database initialized?");
 170             return report;
 171         }
 172         ReleaseInformation ri = ReleaseInformation.getInstance(dbRelease);
 173         boolean componentsSucceeded = true;
 174         for (ComponentName c : ri.getComponents()) {
 175             ComponentData data = new ComponentData(c);
 176             SearchResult<SearchHit> result = this.dbClient.doReadAllJsonData(ri.getAlias(c), ri.getDataType(c), false);
 177             data.addAll(result.getHits());
 178             container.addComponent(c, data);
 179         }
 180         try {
 181             Files.write(new File(filename).toPath(), Arrays.asList(container.toJSON()), StandardCharsets.UTF_8);
 182             report.setCompleted(componentsSucceeded);
 183         } catch (IOException e) {
 184             LOG.warn("problem writing data to {}: {}", filename, e);
 185         }
 186         return report;
 187     }
 188
 189     private String checkFilenameForWrite(String filename) {
 190         File f = new File(filename);
 191         if (!f.exists()) {
 192             return filename;
 193         }
 194         return this.checkFilenameForWrite(filename, 0);
 195     }
 196
 197     private String checkFilenameForWrite(String filename, int apdx) {
 198         File f = new File(String.format("$s.$d", filename, apdx));
 199         if (!f.exists()) {
 200             return filename;
 201         }
 202         return this.checkFilenameForWrite(filename, apdx + 1);
 203     }
 204
 205     @Override
 206     public Release getCurrentVersion() {
 207         return Release.CURRENT_RELEASE;
 208     }
 209
 210
 211     public Release autoDetectRelease() {
 212         EsVersion dbVersion = this.readActualVersion();
 213         AliasesEntryList aliases = this.readAliases();
 214         IndicesEntryList indices = this.readIndices();
 215         if (indices == null) {
 216             return null;
 217         }
 218         List<Release> foundReleases = new ArrayList<>();
 219         //if there are active aliases reduce indices to the active ones
 220         if (aliases != null && aliases.size() > 0) {
 221             indices = indices.subList(aliases.getLinkedIndices());
 222         }
 223         for (Release r : Release.values()) {
 224             if (r.isDbInRange(dbVersion)) {
 225                 ReleaseInformation ri = ReleaseInformation.getInstance(r);
 226                 if (ri != null && ri.containsIndices(indices)) {
 227                     foundReleases.add(r);
 228                 }
 229             }
 230         }
 231         if (foundReleases.size() == 1) {
 232             return foundReleases.get(0);
 233         }
 234         LOG.error("detect {} releases: {}. unable to detect for which one to do sth.", foundReleases.size(),
 235                 foundReleases);
 236         return null;
 237     }
 238
 239     private EsVersion readActualVersion() {
 240         try {
 241             GetInfoResponse response = this.dbClient.getInfo();
 242             return response.getVersion();
 243         } catch (Exception e) {
 244             LOG.warn(e.getMessage());
 245         }
 246         return null;
 247     }
 248
 249     private AliasesEntryList readAliases() {
 250         AliasesEntryList entries = null;
 251         try {
 252             ListAliasesResponse response = this.dbClient.getAliases();
 253             entries = response.getEntries();
 254         } catch (ParseException | IOException e) {
 255             LOG.error(e.getMessage());
 256         }
 257         return entries;
 258     }
 259
 260     private IndicesEntryList readIndices() {
 261         IndicesEntryList entries = null;
 262         try {
 263             ListIndicesResponse response = this.dbClient.getIndices();
 264             entries = response.getEntries();
 265         } catch (ParseException | IOException e) {
 266             LOG.error(e.getMessage());
 267         }
 268         return entries;
 269     }
 270
 271     @Override
 272     public boolean initDatabase(Release release, int numShards, int numReplicas, String dbPrefix, boolean forceRecreate,
 273             long timeoutms) {
 274         if (timeoutms > 0) {
 275             this.dbClient.waitForYellowStatus(timeoutms);
 276         }
 277         EsVersion dbVersion = this.readActualVersion();
 278         if (dbVersion == null) {
 279             return false;
 280         }
 281         if (!release.isDbInRange(dbVersion)) {
 282             LOG.warn("db version {} maybe not compatible with release {}", dbVersion, release);
 283             return false;
 284         }
 285         if (forceRecreate) {
 286             this.clearDatabase(release, dbPrefix, 0);
 287         }
 288         ReleaseInformation ri = ReleaseInformation.getInstance(release);
 289         AliasesEntryList aliases = this.readAliases();
 290         IndicesEntryList indices = this.readIndices();
 291         if (aliases == null || indices == null) {
 292             return false;
 293         }
 294         AcknowledgedResponse response = null;
 295         if (!ri.runPreInitCommands(this.dbClient)) {
 296             return false;
 297         }
 298         for (ComponentName component : ri.getComponents()) {
 299             try {
 300                 if (ri.hasOwnDbIndex(component)) {
 301                     //check if index already exists
 302                     String indexName = ri.getIndex(component, dbPrefix);
 303                     String aliasName = ri.getAlias(component, dbPrefix);
 304                     if (indices.findByIndex(indexName) == null) {
 305                         LOG.info("creating index for {}", component);
 306                         CreateIndexRequest request = new CreateIndexRequest(ri.getIndex(component, dbPrefix));
 307                         request.mappings(new JSONObject(ri.getDatabaseMapping(component)));
 308                         request.settings(new JSONObject(ri.getDatabaseSettings(component, numShards, numReplicas)));
 309                         response = this.dbClient.createIndex(request);
 310                         LOG.info(response.isAcknowledged() ? "succeeded" : "failed");
 311                     } else {
 312                         LOG.info("index {} for {} already exists", indexName, component);
 313                     }
 314                     //check if alias already exists
 315                     if (aliases.findByAlias(aliasName) == null) {
 316                         LOG.info("creating alias for {}", component);
 317                         response = this.dbClient.createAlias(new CreateAliasRequest(indexName, aliasName));
 318                         LOG.info(response.isAcknowledged() ? "succeeded" : "failed");
 319                     } else {
 320                         LOG.info("alias {} for index {} for {} already exists", aliasName, indexName, component);
 321                     }
 322                 }
 323             } catch (IOException e) {
 324                 LOG.error(e.getMessage());
 325                 return false;
 326             }
 327         }
 328         if (!ri.runPostInitCommands(this.dbClient)) {
 329             return false;
 330         }
 331         return true;
 332     }
 333
 334     @Override
 335     public boolean clearDatabase(Release release, String dbPrefix, long timeoutms) {
 336
 337         if (timeoutms > 0) {
 338             this.dbClient.waitForYellowStatus(timeoutms);
 339         }
 340         //check aliases
 341         AliasesEntryList entries = this.readAliases();
 342         if (entries == null) {
 343             return false;
 344         }
 345         ReleaseInformation ri = ReleaseInformation.getInstance(release);
 346         AcknowledgedResponse response;
 347         if (entries.size() <= 0) {
 348             LOG.info("no aliases to clear");
 349         } else {
 350             //check for every component of release if alias exists
 351             for (ComponentName component : ri.getComponents()) {
 352                 String aliasToDelete = ri.getAlias(component, dbPrefix);
 353                 AliasesEntry entryToDelete = entries.findByAlias(aliasToDelete);
 354                 if (entryToDelete != null) {
 355                     try {
 356                         LOG.info("deleting alias {} for index {}", entryToDelete.getAlias(), entryToDelete.getIndex());
 357                         response = this.dbClient.deleteAlias(
 358                                 new DeleteAliasRequest(entryToDelete.getIndex(), entryToDelete.getAlias()));
 359                         LOG.info(response.isResponseSucceeded() ? "succeeded" : "failed");
 360                     } catch (IOException e) {
 361                         LOG.error(e.getMessage());
 362                         return false;
 363                     }
 364                 }
 365             }
 366         }
 367         IndicesEntryList entries2 = this.readIndices();
 368         if (entries2 == null) {
 369             return false;
 370         }
 371         if (entries2.size() <= 0) {
 372             LOG.info("no indices to clear");
 373         } else {
 374             //check for every component of release if index exists
 375             for (ComponentName component : ri.getComponents()) {
 376                 String indexToDelete = ri.getIndex(component, dbPrefix);
 377                 IndicesEntry entryToDelete = entries2.findByIndex(indexToDelete);
 378                 if (entryToDelete != null) {
 379                     try {
 380                         LOG.info("deleting index {}", entryToDelete.getName());
 381                         response = this.dbClient.deleteIndex(new DeleteIndexRequest(entryToDelete.getName()));
 382                         LOG.info(response.isResponseSucceeded() ? "succeeded" : "failed");
 383                     } catch (IOException e) {
 384                         LOG.error(e.getMessage());
 385                         return false;
 386                     }
 387                 }
 388             }
 389         }
 390
 391         return true;
 392     }
 393
 394     /**
 395      * @param timeoutms
 396      * @return
 397      */
 398     public boolean clearCompleteDatabase(long timeoutms) {
 399         if (timeoutms > 0) {
 400             this.dbClient.waitForYellowStatus(timeoutms);
 401         }
 402         //check aliases and indices
 403         AliasesEntryList aliases = this.readAliases();
 404         IndicesEntryList indices = this.readIndices();
 405         if (aliases == null || indices == null) {
 406             return false;
 407         }
 408         for (AliasesEntry alias : aliases) {
 409             try {
 410                 LOG.info("deleting alias {} for index {}", alias.getAlias(), alias.getIndex());
 411                 this.dbClient.deleteAlias(new DeleteAliasRequest(alias.getIndex(), alias.getAlias()));
 412             } catch (IOException e) {
 413                 LOG.error("problem deleting alias {}: {}", alias.getAlias(), e);
 414                 return false;
 415             }
 416         }
 417         for (IndicesEntry index : indices) {
 418             try {
 419                 LOG.info("deleting index {}", index.getName());
 420                 this.dbClient.deleteIndex(new DeleteIndexRequest(index.getName()));
 421             } catch (IOException e) {
 422                 LOG.error("problem deleting index {}: {}", index.getName(), e);
 423                 return false;
 424             }
 425         }
 426         return true;
 427     }
 428
 429 }