Package org.apache.hadoop.hbase.coprocessor

Examples of org.apache.hadoop.hbase.coprocessor.RegionCoprocessorEnvironment

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      throws IOException {
    // Require WRITE permission to the table, CF, and the KV to be replaced by
    // the incremented value
    User user = getActiveUser();
    checkForReservedTagPresence(user, increment);
    RegionCoprocessorEnvironment env = c.getEnvironment();
    Map<byte[],? extends Collection<Cell>> families = increment.getFamilyCellMap();
    AuthResult authResult = permissionGranted(OpType.INCREMENT, user, env, families,
      Action.WRITE);
    logResult(authResult);
    if (!authResult.isAllowed()) {
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  /* RegionObserver implementation */

  @Override
  public void start(CoprocessorEnvironment e) throws IOException {
    if (e instanceof RegionCoprocessorEnvironment) {
      RegionCoprocessorEnvironment env = (RegionCoprocessorEnvironment) e;
      Supplier<TransactionStateCache> cacheSupplier = getTransactionStateCacheSupplier(env);
      this.cache = cacheSupplier.get();

      HTableDescriptor tableDesc = env.getRegion().getTableDesc();
      for (HColumnDescriptor columnDesc : tableDesc.getFamilies()) {
        String columnTTL = columnDesc.getValue(TxConstants.PROPERTY_TTL);
        long ttl = 0;
        if (columnTTL != null) {
          try {
            ttl = Long.parseLong(columnTTL);
            LOG.info("Family " + columnDesc.getNameAsString() + " has TTL of " + columnTTL);
          } catch (NumberFormatException nfe) {
            LOG.warn("Invalid TTL value configured for column family " + columnDesc.getNameAsString() +
                       ", value = " + columnTTL);
          }
        }
        ttlByFamily.put(columnDesc.getName(), ttl);
      }

      this.allowEmptyValues = env.getConfiguration().getBoolean(TxConstants.ALLOW_EMPTY_VALUES_KEY,
                                                                TxConstants.ALLOW_EMPTY_VALUES_DEFAULT);
    }
  }
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    }
  }

  @Override
  public void start(CoprocessorEnvironment e) throws IOException {
    RegionCoprocessorEnvironment re = (RegionCoprocessorEnvironment) e;
    if (!re.getSharedData().containsKey(zkkey)) {
      // there is a short race here
      // in the worst case we create a watcher that will be notified once
      re.getSharedData().putIfAbsent(
          zkkey,
          new ZKWatcher(re.getRegionServerServices().getZooKeeper()
              .getRecoverableZooKeeper().getZooKeeper()));
    }
  }
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  /* ---- RegionObserver implementation ---- */

  @Override
  public void preOpen(ObserverContext<RegionCoprocessorEnvironment> e)
      throws IOException {
    RegionCoprocessorEnvironment env = e.getEnvironment();
    final HRegion region = env.getRegion();
    if (region == null) {
      LOG.error("NULL region from RegionCoprocessorEnvironment in preOpen()");
    } else {
      HRegionInfo regionInfo = region.getRegionInfo();
      if (regionInfo.getTable().isSystemTable()) {
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    }
  }

  @Override
  public void postOpen(ObserverContext<RegionCoprocessorEnvironment> c) {
    RegionCoprocessorEnvironment env = c.getEnvironment();
    final HRegion region = env.getRegion();
    if (region == null) {
      LOG.error("NULL region from RegionCoprocessorEnvironment in postOpen()");
      return;
    }
    if (AccessControlLists.isAclRegion(region)) {
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  @Override
  public void preGetClosestRowBefore(final ObserverContext<RegionCoprocessorEnvironment> c,
      final byte [] row, final byte [] family, final Result result)
      throws IOException {
    assert family != null;
    RegionCoprocessorEnvironment env = c.getEnvironment();
    Map<byte[],? extends Collection<byte[]>> families = makeFamilyMap(family, null);
    User user = getActiveUser();
    AuthResult authResult = permissionGranted(OpType.GET_CLOSEST_ROW_BEFORE, user, env, families,
      Action.READ);
    if (!authResult.isAllowed() && cellFeaturesEnabled && !compatibleEarlyTermination) {
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    // Don't wrap an AccessControlFilter
    if (filter != null && filter instanceof AccessControlFilter) {
      return;
    }
    User user = getActiveUser();
    RegionCoprocessorEnvironment env = c.getEnvironment();
    Map<byte[],? extends Collection<byte[]>> families = null;
    switch (opType) {
    case GET:
    case EXISTS:
      families = ((Get)query).getFamilyMap();
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    // HBase value. A new ACL in a new Put applies to that Put. It doesn't
    // change the ACL of any previous Put. This allows simple evolution of
    // security policy over time without requiring expensive updates.
    User user = getActiveUser();
    checkForReservedTagPresence(user, put);
    RegionCoprocessorEnvironment env = c.getEnvironment();
    Map<byte[],? extends Collection<Cell>> families = put.getFamilyCellMap();
    AuthResult authResult = permissionGranted(OpType.PUT, user, env, families, Action.WRITE);
    logResult(authResult);
    if (!authResult.isAllowed()) {
      if (cellFeaturesEnabled && !compatibleEarlyTermination) {
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    // Require WRITE permissions on all cells covered by the delete. Unlike
    // for Puts we need to check all visible prior versions, because a major
    // compaction could remove them. If the user doesn't have permission to
    // overwrite any of the visible versions ('visible' defined as not covered
    // by a tombstone already) then we have to disallow this operation.
    RegionCoprocessorEnvironment env = c.getEnvironment();
    Map<byte[],? extends Collection<Cell>> families = delete.getFamilyCellMap();
    User user = getActiveUser();
    AuthResult authResult = permissionGranted(OpType.DELETE, user, env, families, Action.WRITE);
    logResult(authResult);
    if (!authResult.isAllowed()) {
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      final ByteArrayComparable comparator, final Put put,
      final boolean result) throws IOException {
    // Require READ and WRITE permissions on the table, CF, and KV to update
    User user = getActiveUser();
    checkForReservedTagPresence(user, put);
    RegionCoprocessorEnvironment env = c.getEnvironment();
    Map<byte[],? extends Collection<byte[]>> families = makeFamilyMap(family, qualifier);
    AuthResult authResult = permissionGranted(OpType.CHECK_AND_PUT, user, env, families,
      Action.READ, Action.WRITE);
    logResult(authResult);
    if (!authResult.isAllowed()) {
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