OPENDJ-1719: implement upgrade tasks for migrating JE backends

Matthew Swift

07.10.2015 642ee854211fe638a4c47b44eae0d1405f20caf7

 opendj-server-legacy/src/main/java/org/opends/server/tools/upgrade/Upgrade.java

@@ -383,10 +383,6 @@
        deleteConfigEntry(INFO_UPGRADE_TASK_11339_SUMMARY.get(),
            "dn: cn=Extensions,cn=config"));

    /** See OPENDJ-1637 */
    register("2.8.0",
        rebuildAllIndexes(INFO_UPGRADE_TASK_11260_SUMMARY.get()));

    /** See OPENDJ-1701 */
    register("2.8.0",
        deleteConfigEntry(INFO_UPGRADE_TASK_11476_SUMMARY.get(),
@@ -407,6 +403,49 @@
    register("2.7.0",
        rerunJavaPropertiesTool(INFO_UPGRADE_TASK_9206_SUMMARY.get()));

    register("3.0.0",
        migrateLocalDBBackendsToJEBackends(),
        modifyConfigEntry(INFO_UPGRADE_TASK_MIGRATE_JE_SUMMARY_2.get(),
            "(objectClass=ds-cfg-local-db-backend)",
            "replace: objectClass",
            "objectClass: top",
            "objectClass: ds-cfg-backend",
            "objectClass: ds-cfg-pluggable-backend",
            "objectClass: ds-cfg-je-backend",
            "-",
            "replace: ds-cfg-java-class",
            "ds-cfg-java-class: org.opends.server.backends.jeb.JEBackend",
            "-",
            "delete: ds-cfg-import-thread-count",
            "-",
            "delete: ds-cfg-import-queue-size",
            "-",
            "delete: ds-cfg-subordinate-indexes-enabled",
            "-"),
        modifyConfigEntry(INFO_UPGRADE_TASK_MIGRATE_JE_SUMMARY_3.get(),
            "(objectClass=ds-cfg-local-db-index)",
            "replace: objectClass",
            "objectClass: top",
            "objectClass: ds-cfg-backend-index",
            "-"),
        modifyConfigEntry(INFO_UPGRADE_TASK_MIGRATE_JE_SUMMARY_4.get(),
            "(objectClass=ds-cfg-local-db-vlv-index)",
            "replace: objectClass",
            "objectClass: top",
            "objectClass: ds-cfg-backend-vlv-index",
            "-",
            "delete: ds-cfg-max-block-size",
            "-"));

    /**
     * Rebuild all indexes when upgrading to 3.0.0.
     *
     * 1) matching rules have changed in 2.8.0 and again in 3.0.0- see OPENDJ-1637
     * 2) JE backend has been migrated to pluggable architecture.
     */
    register("3.0.0",
        rebuildAllIndexes(INFO_UPGRADE_TASK_11260_SUMMARY.get()));

    /*
     * All upgrades will refresh the server configuration schema and generate
     * a new upgrade folder.
@@ -485,27 +524,27 @@
      return;
    }

    /*
     * Let tasks interact with the user in order to obtain user's selection.
     */
    context.notify(INFO_UPGRADE_REQUIREMENTS.get(), TITLE_CALLBACK);
    for (final UpgradeTask task : tasks)
    {
      task.prepare(context);
    }

    // Starts upgrade
    final int userResponse = context.confirmYN(INFO_UPGRADE_DISPLAY_CONFIRM_START.get(), ConfirmationCallback.YES);
    if (userResponse == ConfirmationCallback.NO)
    {
      final LocalizableMessage message = INFO_UPGRADE_ABORTED_BY_USER.get();
      context.notify(message, WARNING);
      throw new ClientException(ReturnCode.ERROR_UNEXPECTED, message);
    }

    try
    {
      /*
       * Let tasks interact with the user in order to obtain user's selection.
       */
      context.notify(INFO_UPGRADE_REQUIREMENTS.get(), TITLE_CALLBACK);
      for (final UpgradeTask task : tasks)
      {
        task.prepare(context);
      }

      // Starts upgrade
      final int userResponse = context.confirmYN(INFO_UPGRADE_DISPLAY_CONFIRM_START.get(), ConfirmationCallback.YES);
      if (userResponse == ConfirmationCallback.NO)
      {
        final LocalizableMessage message = INFO_UPGRADE_ABORTED_BY_USER.get();
        context.notify(message, WARNING);
        throw new ClientException(ReturnCode.ERROR_UNEXPECTED, message);
      }

      /*
       * Perform the upgrade tasks.
       */
      context.notify(INFO_UPGRADE_PERFORMING_TASKS.get(), TITLE_CALLBACK);