Package org.apache.hadoop.hbase.snapshot

Examples of org.apache.hadoop.hbase.snapshot.RestoreSnapshotException

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      // 2. let the CreateTableHandler add the regions to meta
      return metaChanges.getRegionsToAdd();
    } catch (Exception e) {
      String msg = "clone snapshot=" + SnapshotDescriptionUtils.toString(snapshot) + " failed";
      LOG.error(msg, e);
      IOException rse = new RestoreSnapshotException(msg, e, snapshot);

      // these handlers aren't futures so we need to register the error here.
      this.monitor.receive(new ForeignException(NAME, rse));
      throw rse;
    }
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        break;
      }
    }

    if (tableName == null) {
      throw new RestoreSnapshotException(
        "Unable to find the table name for snapshot=" + snapshotName);
    }

    // The table does not exists, switch to clone.
    if (!tableExists(tableName)) {
      try {
        cloneSnapshot(snapshotName, tableName);
      } catch (InterruptedException e) {
        throw new InterruptedIOException("Interrupted when restoring a nonexistent table: " +
          e.getMessage());
      }
      return;
    }

    // Check if the table is disabled
    if (!isTableDisabled(tableName)) {
      throw new TableNotDisabledException(tableName);
    }

    // Take a snapshot of the current state
    String failSafeSnapshotSnapshotName = null;
    if (takeFailSafeSnapshot) {
      failSafeSnapshotSnapshotName = conf.get("hbase.snapshot.restore.failsafe.name",
        "hbase-failsafe-{snapshot.name}-{restore.timestamp}");
      failSafeSnapshotSnapshotName = failSafeSnapshotSnapshotName
        .replace("{snapshot.name}", snapshotName)
        .replace("{table.name}", tableName.toString().replace(TableName.NAMESPACE_DELIM, '.'))
        .replace("{restore.timestamp}", String.valueOf(EnvironmentEdgeManager.currentTimeMillis()));
      LOG.info("Taking restore-failsafe snapshot: " + failSafeSnapshotSnapshotName);
      snapshot(failSafeSnapshotSnapshotName, tableName);
    }

    try {
      // Restore snapshot
      internalRestoreSnapshot(snapshotName, tableName);
    } catch (IOException e) {
      // Somthing went wrong during the restore...
      // if the pre-restore snapshot is available try to rollback
      if (takeFailSafeSnapshot) {
        try {
          internalRestoreSnapshot(failSafeSnapshotSnapshotName, tableName);
          String msg = "Restore snapshot=" + snapshotName +
            " failed. Rollback to snapshot=" + failSafeSnapshotSnapshotName + " succeeded.";
          LOG.error(msg, e);
          throw new RestoreSnapshotException(msg, e);
        } catch (IOException ex) {
          String msg = "Failed to restore and rollback to snapshot=" + failSafeSnapshotSnapshotName;
          LOG.error(msg, ex);
          throw new RestoreSnapshotException(msg, e);
        }
      } else {
        throw new RestoreSnapshotException("Failed to restore snapshot=" + snapshotName, e);
      }
    }

    // If the restore is succeeded, delete the pre-restore snapshot
    if (takeFailSafeSnapshot) {
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          return master.isRestoreSnapshotDone(null, request);
        }
      });
    }
    if (!done.getDone()) {
      throw new RestoreSnapshotException("Snapshot '" + snapshot.getName() + "' wasn't restored.");
    }
  }
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      final HTableDescriptor hTableDescriptor) throws HBaseSnapshotException {
    String tableName = hTableDescriptor.getNameAsString();

    // make sure we aren't running a snapshot on the same table
    if (isTakingSnapshot(tableName)) {
      throw new RestoreSnapshotException("Snapshot in progress on the restore table=" + tableName);
    }

    // make sure we aren't running a restore on the same table
    if (isRestoringTable(tableName)) {
      throw new RestoreSnapshotException("Restore already in progress on the table=" + tableName);
    }

    try {
      CloneSnapshotHandler handler =
        new CloneSnapshotHandler(master, snapshot, hTableDescriptor, metricsMaster);
      this.executorService.submit(handler);
      this.restoreHandlers.put(tableName, handler);
    } catch (Exception e) {
      String msg = "Couldn't clone the snapshot=" + SnapshotDescriptionUtils.toString(snapshot) +
        " on table=" + tableName;
      LOG.error(msg, e);
      throw new RestoreSnapshotException(msg, e);
    }
  }
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      final HTableDescriptor hTableDescriptor) throws HBaseSnapshotException {
    String tableName = hTableDescriptor.getNameAsString();

    // make sure we aren't running a snapshot on the same table
    if (isTakingSnapshot(tableName)) {
      throw new RestoreSnapshotException("Snapshot in progress on the restore table=" + tableName);
    }

    // make sure we aren't running a restore on the same table
    if (isRestoringTable(tableName)) {
      throw new RestoreSnapshotException("Restore already in progress on the table=" + tableName);
    }

    try {
      RestoreSnapshotHandler handler =
        new RestoreSnapshotHandler(master, snapshot, hTableDescriptor, metricsMaster);
      this.executorService.submit(handler);
      restoreHandlers.put(hTableDescriptor.getNameAsString(), handler);
    } catch (Exception e) {
      String msg = "Couldn't restore the snapshot=" + SnapshotDescriptionUtils.toString(
          snapshot)  +
          " on table=" + tableName;
      LOG.error(msg, e);
      throw new RestoreSnapshotException(msg, e);
    }
  }
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        break;
      }
    }

    if (tableName == null) {
      throw new RestoreSnapshotException(
        "Unable to find the table name for snapshot=" + snapshotName);
    }

    // Take a snapshot of the current state
    snapshot(rollbackSnapshot, tableName);

    // Restore snapshot
    try {
      internalRestoreSnapshot(snapshotName, tableName);
    } catch (IOException e) {
      // Try to rollback
      try {
        String msg = "Restore snapshot=" + snapshotName +
          " failed. Rollback to snapshot=" + rollbackSnapshot + " succeeded.";
        LOG.error(msg, e);
        internalRestoreSnapshot(rollbackSnapshot, tableName);
        throw new RestoreSnapshotException(msg, e);
      } catch (IOException ex) {
        String msg = "Failed to restore and rollback to snapshot=" + rollbackSnapshot;
        LOG.error(msg, ex);
        throw new RestoreSnapshotException(msg, ex);
      }
    }
  }
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        }
        LOG.debug("Getting current status of snapshot restore from master...");
        done = getMaster().isRestoreSnapshotDone(snapshot);
      }
      if (!done) {
        throw new RestoreSnapshotException("Snapshot '" + snapshot.getName() + "' wasn't restored.");
      }
    } catch (RemoteException e) {
      throw RemoteExceptionHandler.decodeRemoteException(e);
    }
  }
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      return metaChanges.getRegionsToAdd();
    } catch (Exception e) {
      String msg = "clone snapshot=" + ClientSnapshotDescriptionUtils.toString(snapshot) +
        " failed because " + e.getMessage();
      LOG.error(msg, e);
      IOException rse = new RestoreSnapshotException(msg, e, snapshot);

      // these handlers aren't futures so we need to register the error here.
      this.monitor.receive(new ForeignException(NAME, rse));
      throw rse;
    }
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      final HTableDescriptor hTableDescriptor) throws HBaseSnapshotException {
    TableName tableName = hTableDescriptor.getTableName();

    // make sure we aren't running a snapshot on the same table
    if (isTakingSnapshot(tableName)) {
      throw new RestoreSnapshotException("Snapshot in progress on the restore table=" + tableName);
    }

    // make sure we aren't running a restore on the same table
    if (isRestoringTable(tableName)) {
      throw new RestoreSnapshotException("Restore already in progress on the table=" + tableName);
    }

    try {
      CloneSnapshotHandler handler =
        new CloneSnapshotHandler(master, snapshot, hTableDescriptor).prepare();
      this.executorService.submit(handler);
      this.restoreHandlers.put(tableName, handler);
    } catch (Exception e) {
      String msg = "Couldn't clone the snapshot=" + ClientSnapshotDescriptionUtils.toString(snapshot) +
        " on table=" + tableName;
      LOG.error(msg, e);
      throw new RestoreSnapshotException(msg, e);
    }
  }
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      final HTableDescriptor hTableDescriptor) throws HBaseSnapshotException {
    TableName tableName = hTableDescriptor.getTableName();

    // make sure we aren't running a snapshot on the same table
    if (isTakingSnapshot(tableName)) {
      throw new RestoreSnapshotException("Snapshot in progress on the restore table=" + tableName);
    }

    // make sure we aren't running a restore on the same table
    if (isRestoringTable(tableName)) {
      throw new RestoreSnapshotException("Restore already in progress on the table=" + tableName);
    }

    try {
      RestoreSnapshotHandler handler =
        new RestoreSnapshotHandler(master, snapshot, hTableDescriptor).prepare();
      this.executorService.submit(handler);
      restoreHandlers.put(tableName, handler);
    } catch (Exception e) {
      String msg = "Couldn't restore the snapshot=" + ClientSnapshotDescriptionUtils.toString(
          snapshot)  +
          " on table=" + tableName;
      LOG.error(msg, e);
      throw new RestoreSnapshotException(msg, e);
    }
  }
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Related Classes of org.apache.hadoop.hbase.snapshot.RestoreSnapshotException

  • org.apache.hadoop.hbase.client.HBaseAdmin
  • org.apache.hadoop.hbase.master.snapshot.CloneSnapshotHandler
  • org.apache.hadoop.hbase.master.snapshot.RestoreSnapshotHandler
  • org.apache.hadoop.hbase.master.snapshot.SnapshotManager
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