Пример #1
0
    def get_items(self, params, context=None):
        """Get items in model.

        Args:
            params: A dict-like object containing parameters
                    from the request query string and body.
            context: Key-values providing frame of reference of request

        Returns: A dict containing at least a 'results' key whose value is
                 a list of items in the model.  Additional keys set in the
                 dict will also be rendered for the user.
        """
        LOG.info('get_items has context %s', context)

        # Note(thread-safety): blocking call
        caller, source_id = api_utils.get_id_from_context(context)
        # FIXME(threod-safety): in DSE2, the returned caller can be a
        #   datasource name. But the datasource name may now refer to a new,
        #   unrelated datasource. Causing the rest of this code to operate on
        #   an unintended datasource.
        #   Fix: check UUID of datasource before operating. Abort if mismatch

        try:
            # Note(thread-safety): blocking call
            tablenames = self.invoke_rpc(caller, 'get_tablenames',
                                         {'source_id': source_id})
        except exception.CongressException as e:
            LOG.exception("Exception occurred while retrieving tables"
                          "from datasource %s", source_id)
            raise webservice.DataModelException.create(e)
        # when the source_id doesn't have any table, 'tablenames' is set([])
        if isinstance(tablenames, set) or isinstance(tablenames, list):
            return {'results': [{'id': x} for x in tablenames]}
Пример #2
0
    def get_items(self, params, context=None):
        """Get items in model.

        :param: params: A dict-like object containing parameters
                    from the request query string and body.
        :param: context: Key-values providing frame of reference of request

        :returns: A dict containing at least a 'results' key whose value is
                 a list of items in the model.  Additional keys set in the
                 dict will also be rendered for the user.
        """
        LOG.info('get_items has context %s', context)

        # Note(thread-safety): blocking call
        caller, source_id = api_utils.get_id_from_context(context)
        # FIXME(threod-safety): in DSE2, the returned caller can be a
        #   datasource name. But the datasource name may now refer to a new,
        #   unrelated datasource. Causing the rest of this code to operate on
        #   an unintended datasource.
        #   Fix: check UUID of datasource before operating. Abort if mismatch

        try:
            # Note(thread-safety): blocking call
            tablenames = self.invoke_rpc(caller, 'get_tablenames',
                                         {'source_id': source_id})
        except exception.CongressException as e:
            LOG.debug(
                "Exception occurred while retrieving tables"
                "from datasource %s", source_id)
            raise webservice.DataModelException.create(e)
        # when the source_id doesn't have any table, 'tablenames' is set([])
        if isinstance(tablenames, set) or isinstance(tablenames, list):
            return {'results': [{'id': x} for x in tablenames]}
Пример #3
0
    def get_item(self, id_, params, context=None):
        """Retrieve item with id id_ from model.

        Args:
            id_: The ID of the item to retrieve
            params: A dict-like object containing parameters
                    from the request query string and body.
            context: Key-values providing frame of reference of request

        Returns:
             The matching item or None if item with id_ does not exist.
        """
        caller, source_id = api_utils.get_id_from_context(
            context,
            self.datasource_mgr,
            self.engine)

        args = {'source_id': source_id, 'table_id': id_}
        try:
            tablename = self.invoke_rpc(caller, 'get_tablename', args)
        except exception.CongressException as e:
            LOG.exception("Exception occurred while retrieving table %s"
                          "from datasource %s", id_, source_id)
            raise webservice.DataModelException.create(e)

        if tablename:
            return {'id': tablename}

        LOG.info('table id %s is not found in datasource %s', id_, source_id)
Пример #4
0
    def get_item(self, id_, params, context=None):
        """Retrieve item with id id_ from model.

        Args:
            id_: The ID of the item to retrieve
            params: A dict-like object containing parameters
                    from the request query string and body.
            context: Key-values providing frame of reference of request

        Returns:
             The matching item or None if item with id_ does not exist.
        """
        caller, source_id = api_utils.get_id_from_context(context,
                                                          self.datasource_mgr)
        table = context.get('table_id')
        args = {'source_id': source_id}
        try:
            schema = self.invoke_rpc(caller, 'get_datasource_schema', args)
        except exception.CongressException as e:
            raise webservice.DataModelException(e.code, str(e),
                                                http_status_code=e.code)

        # request to see the schema for one table
        if table:
            if table not in schema:
                raise webservice.DataModelException(
                    404, ("Table '{}' for datasource '{}' has no "
                          "schema ".format(id_, source_id)),
                    http_status_code=404)
            return api_utils.create_table_dict(table, schema)

        tables = [api_utils.create_table_dict(table_, schema)
                  for table_ in schema]
        return {'tables': tables}
Пример #5
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    def add_item(self, item, params, id_=None, context=None):
        """POST webhook notification.

        :param item: The webhook payload
        :param params: A dict-like object containing parameters
            from the request query string and body.
        :param id_: not used in this case; should be None
        :param context: Key-values providing frame of reference of request
        """
        caller, source_id = api_utils.get_id_from_context(context)
        table_name = context.get('table_name')

        try:
            if table_name:  # json ingester case
                args = {'table_name': table_name,
                        'body': item}
                # Note(thread-safety): blocking call
                self.invoke_rpc(base.JSON_DS_SERVICE_PREFIX + caller,
                                'json_ingester_webhook_handler', args)
            else:
                args = {'payload': item}
                # Note(thread-safety): blocking call
                self.invoke_rpc(caller, 'process_webhook_notification', args)
        except exception.CongressException as e:
            raise webservice.DataModelException.create(e)
Пример #6
0
    def get_items(self, params, context=None):
        """Get items in model.

        Args:
            params: A dict-like object containing parameters
                    from the request query string and body.
            context: Key-values providing frame of reference of request

        Returns: A dict containing at least a 'results' key whose value is
                 a list of items in the model.  Additional keys set in the
                 dict will also be rendered for the user.
        """
        LOG.info('get_items has context %s', context)

        caller, source_id = api_utils.get_id_from_context(
            context,
            self.datasource_mgr,
            self.engine)

        try:
            tablenames = self.invoke_rpc(caller, 'get_tablenames',
                                         {'source_id': source_id})
        except exception.CongressException as e:
            LOG.exception("Exception occurred while retrieving tables"
                          "from datasource %s", source_id)
            raise webservice.DataModelException.create(e)
        # when the source_id doesn't have any table, 'tablenames' is set([])
        if isinstance(tablenames, set) or isinstance(tablenames, list):
            return {'results': [{'id': x} for x in tablenames]}
Пример #7
0
    def get_item(self, id_, params, context=None):
        """Retrieve item with id id_ from model.

        Args:
            id_: The ID of the item to retrieve
            params: A dict-like object containing parameters
                    from the request query string and body.
            context: Key-values providing frame of reference of request

        Returns:
             The matching item or None if item with id_ does not exist.
        """
        # Note(thread-safety): blocking call
        caller, source_id = api_utils.get_id_from_context(context)
        # FIXME(threod-safety): in DSE2, the returned caller can be a
        #   datasource name. But the datasource name may now refer to a new,
        #   unrelated datasource. Causing the rest of this code to operate on
        #   an unintended datasource.
        #   Fix: check UUID of datasource before operating. Abort if mismatch

        args = {'source_id': source_id, 'table_id': id_}
        try:
            # Note(thread-safety): blocking call
            tablename = self.invoke_rpc(caller, 'get_tablename', args)
        except exception.CongressException as e:
            LOG.exception("Exception occurred while retrieving table %s"
                          "from datasource %s", id_, source_id)
            raise webservice.DataModelException.create(e)

        if tablename:
            return {'id': tablename}

        LOG.info('table id %s is not found in datasource %s', id_, source_id)
Пример #8
0
    def get_item(self, id_, params, context=None):
        """Retrieve item with id id\_ from model.

        :param: id\_: The ID of the item to retrieve
        :param: params: A dict-like object containing parameters
                    from the request query string and body.
        :param: context: Key-values providing frame of reference of request

        :returns: The matching item or None if item with id\_ does not exist.
        """
        # Note(thread-safety): blocking call
        caller, source_id = api_utils.get_id_from_context(context)
        # FIXME(threod-safety): in DSE2, the returned caller can be a
        #   datasource name. But the datasource name may now refer to a new,
        #   unrelated datasource. Causing the rest of this code to operate on
        #   an unintended datasource.
        #   Fix: check UUID of datasource before operating. Abort if mismatch

        args = {'source_id': source_id, 'table_id': id_}
        try:
            # Note(thread-safety): blocking call
            tablename = self.invoke_rpc(caller, 'get_tablename', args)
        except exception.CongressException as e:
            LOG.debug(
                "Exception occurred while retrieving table %s"
                "from datasource %s", id_, source_id)
            raise webservice.DataModelException.create(e)

        if tablename:
            return {'id': tablename}

        LOG.info('table id %s is not found in datasource %s', id_, source_id)
Пример #9
0
    def update_items(self, items, params, context=None):
        """Updates all data in a table.

        Args:
            id_: A table id for updating all row
            items: A data for new rows
            params: A dict-like object containing parameters from
                    request query
            context: Key-values providing frame of reference of request
        Returns: None
        Raises:
            KeyError: table id doesn't exist
            DataModelException: any error occurs during replacing rows.
        """
        LOG.info("update_items(context=%s)" % context)
        caller, source_id = api_utils.get_id_from_context(context,
                                                          self.datasource_mgr,
                                                          self.engine)
        table_id = context['table_id']
        try:
            args = {'table_id': table_id, 'source_id': source_id,
                    'objs': items}
            self.invoke_rpc(caller, 'update_entire_data', args)
        except exception.CongressException as e:
            m = ("Error occurred while processing updating rows for "
                 "source_id '%s' and table_id '%s'" % (source_id, table_id))
            LOG.exception(m)
            raise webservice.DataModelException.create(e)
        LOG.info("finish update_items(context=%s)" % context)
        LOG.debug("updated table %s with row items: %s" %
                  (table_id, str(items)))
Пример #10
0
    def get_item(self, id_, params, context=None):
        """Retrieve item with id id_ from model.

        Args:
            id_: The ID of the item to retrieve
            params: A dict-like object containing parameters
                    from the request query string and body.
            context: Key-values providing frame of reference of request

        Returns:
             The matching item or None if item with id_ does not exist.
        """
        # Note(thread-safety): blocking call
        caller, source_id = api_utils.get_id_from_context(context)
        # FIXME(threod-safety): in DSE2, the returned caller can be a
        #   datasource name. But the datasource name may now refer to a new,
        #   unrelated datasource. Causing the rest of this code to operate on
        #   an unintended datasource.
        #   Fix: check UUID of datasource before operating. Abort if mismatch

        try:
            rpc_args = {'params': context, 'source_id': source_id}
            # Note(thread-safety): blocking call
            status = self.invoke_rpc(caller, 'get_status', rpc_args)
        except exception.CongressException as e:
            raise webservice.DataModelException(
                exception.NotFound.code, str(e),
                http_status_code=exception.NotFound.code)

        return status
Пример #11
0
 def test_get_id_from_context_policy_id(self):
     context = {'policy_id': 'policy id'}
     expected = ('policy-engine', 'policy id')
     result = api_utils.get_id_from_context(context,
                                            'datasource-mgr',
                                            'policy-engine')
     self.assertEqual(expected, result)
Пример #12
0
    def get_items(self, params, context=None):
        """Get items in model.

        Args:
            params: A dict-like object containing parameters
                    from the request query string and body.
            context: Key-values providing frame of reference of request

        Returns: A dict containing at least a 'results' key whose value is
                 a list of items in the model.  Additional keys set in the
                 dict will also be rendered for the user.
        """
        LOG.info('get_items has context %s', context)

        caller, source_id = api_utils.get_id_from_context(context,
                                                          self.datasource_mgr,
                                                          self.engine)

        tablenames = self.rpc(caller, 'get_tablenames', source_id)
        # when the source_id doesn't have any table, 'tablenames' is set([])
        # when the source_id doesn't exist 'tablenames' is None
        if isinstance(tablenames, set):
            return {'results': [{'id': x} for x in tablenames]}

        LOG.info('source id %s not found', source_id)
Пример #13
0
    def get_item(self, id_, params, context=None):
        """Retrieve item with id id_ from model.

        Args:
            id_: The ID of the item to retrieve
            params: A dict-like object containing parameters
                    from the request query string and body.
            context: Key-values providing frame of reference of request

        Returns:
             The matching item or None if item with id_ does not exist.
        """
        # Note(thread-safety): blocking call
        caller, source_id = api_utils.get_id_from_context(context)
        # FIXME(threod-safety): in DSE2, the returned caller can be a
        #   datasource name. But the datasource name may now refer to a new,
        #   unrelated datasource. Causing the rest of this code to operate on
        #   an unintended datasource.
        #   Fix: check UUID of datasource before operating. Abort if mismatch

        try:
            rpc_args = {'params': context, 'source_id': source_id}
            # Note(thread-safety): blocking call
            status = self.invoke_rpc(caller, 'get_status', rpc_args)
        except exception.CongressException as e:
            raise webservice.DataModelException(
                exception.NotFound.code,
                str(e),
                http_status_code=exception.NotFound.code)

        return status
Пример #14
0
 def request_refresh_action(self, params, context=None, request=None):
     caller, source_id = api_utils.get_id_from_context(context, self.datasource_mgr)
     try:
         args = {"source_id": source_id}
         self.invoke_rpc(caller, "request_refresh", args)
     except exception.CongressException as e:
         LOG.exception(e)
         raise webservice.DataModelException.create(e)
Пример #15
0
 def request_refresh_action(self, params, context=None, request=None):
     caller, source_id = api_utils.get_id_from_context(context)
     try:
         args = {'source_id': source_id}
         # Note(thread-safety): blocking call
         self.invoke_rpc(caller, 'request_refresh', args)
     except exception.CongressException as e:
         LOG.debug(e)
         raise webservice.DataModelException.create(e)
Пример #16
0
 def request_refresh_action(self, params, context=None, request=None):
     caller, source_id = api_utils.get_id_from_context(context)
     try:
         args = {'source_id': source_id}
         # Note(thread-safety): blocking call
         self.invoke_rpc(caller, 'request_refresh', args)
     except exception.CongressException as e:
         LOG.exception(e)
         raise webservice.DataModelException.create(e)
Пример #17
0
    def get_items(self, params, context=None):
        """Get items in model.

        Args:
            params: A dict-like object containing parameters
                    from the request query string and body.
            context: Key-values providing frame of reference of request

        Returns: A dict containing at least a 'results' key whose value is
                 a list of items in the model.  Additional keys set in the
                 dict will also be rendered for the user.
        """
        LOG.info("get_items(context=%s)", context)
        gen_trace = False
        if 'trace' in params and params['trace'].lower() == 'true':
            gen_trace = True

        # Get the caller, it should be either policy or datasource
        # Note(thread-safety): blocking call
        caller, source_id = api_utils.get_id_from_context(context)
        # FIXME(threod-safety): in DSE2, the returned caller can be a
        #   datasource name. But the datasource name may now refer to a new,
        #   unrelated datasource. Causing the rest of this code to operate on
        #   an unintended datasource.
        #   It would have saved us if table_id was an UUID rather than a name,
        #   but it appears that table_id is just another word for tablename.
        #   Fix: check UUID of datasource before operating. Abort if mismatch
        table_id = context['table_id']
        try:
            args = {
                'table_id': table_id,
                'source_id': source_id,
                'trace': gen_trace
            }
            if caller is base.ENGINE_SERVICE_ID:
                # allow extra time for row policy engine query
                # Note(thread-safety): blocking call
                result = self.invoke_rpc(caller,
                                         'get_row_data',
                                         args,
                                         timeout=self.dse_long_timeout)
            else:
                # Note(thread-safety): blocking call
                result = self.invoke_rpc(caller, 'get_row_data', args)
        except exception.CongressException as e:
            m = ("Error occurred while processing source_id '%s' for row "
                 "data of the table '%s'" % (source_id, table_id))
            LOG.exception(m)
            raise webservice.DataModelException.create(e)

        if gen_trace and caller is base.ENGINE_SERVICE_ID:
            # DSE2 returns lists instead of tuples, so correct that.
            results = [{'data': tuple(x['data'])} for x in result[0]]
            return {'results': results, 'trace': result[1] or "Not available"}
        else:
            result = [{'data': tuple(x['data'])} for x in result]
            return {'results': result}
Пример #18
0
    def get_items(self, params, context=None):
        """Get items in model.

        Args:
            params: A dict-like object containing parameters
                    from the request query string and body.
            context: Key-values providing frame of reference of request

        Returns: A dict containing at least a 'results' key whose value is
                 a list of items in the model.  Additional keys set in the
                 dict will also be rendered for the user.
        """
        LOG.info("get_items(context=%s)", context)
        gen_trace = False
        if 'trace' in params and params['trace'].lower() == 'true':
            gen_trace = True

        # Get the caller, it should be either policy or datasource
        # Note(thread-safety): blocking call
        caller, source_id = api_utils.get_id_from_context(context)
        # FIXME(threod-safety): in DSE2, the returned caller can be a
        #   datasource name. But the datasource name may now refer to a new,
        #   unrelated datasource. Causing the rest of this code to operate on
        #   an unintended datasource.
        #   It would have saved us if table_id was an UUID rather than a name,
        #   but it appears that table_id is just another word for tablename.
        #   Fix: check UUID of datasource before operating. Abort if mismatch
        table_id = context['table_id']
        try:
            args = {'table_id': table_id, 'source_id': source_id,
                    'trace': gen_trace}
            if caller is base.ENGINE_SERVICE_ID:
                # allow extra time for row policy engine query
                # Note(thread-safety): blocking call
                result = self.invoke_rpc(
                    caller, 'get_row_data', args,
                    timeout=self.dse_long_timeout)
            else:
                # Note(thread-safety): blocking call
                result = self.invoke_rpc(caller, 'get_row_data', args)
        except exception.CongressException as e:
            m = ("Error occurred while processing source_id '%s' for row "
                 "data of the table '%s'" % (source_id, table_id))
            LOG.exception(m)
            raise webservice.DataModelException.create(e)

        if gen_trace and caller is base.ENGINE_SERVICE_ID:
            # DSE2 returns lists instead of tuples, so correct that.
            results = [{'data': tuple(x['data'])} for x in result[0]]
            return {'results': results,
                    'trace': result[1] or "Not available"}
        else:
            result = [{'data': tuple(x['data'])} for x in result]
            return {'results': result}
Пример #19
0
    def add_item(self, item, id_=None, context=None):
        """POST webhook notification.

        :param item: The webhook payload
        :param id_: not used in this case; should be None
        :param context: Key-values providing frame of reference of request
        """
        caller, source_id = api_utils.get_id_from_context(context)
        try:
            args = {'payload': item}
            # Note(thread-safety): blocking call
            self.invoke_rpc(caller, 'process_webhook_notification', args)
        except exception.CongressException as e:
            raise webservice.DataModelException.create(e)
Пример #20
0
    def get_item(self, id_, params, context=None):
        """Retrieve item with id id_ from model.

        Args:
            id_: The ID of the item to retrieve
            params: A dict-like object containing parameters
                    from the request query string and body.
            context: Key-values providing frame of reference of request

        Returns:
             The matching item or None if item with id_ does not exist.
        """
        # Note(thread-safety): blocking call
        caller, source_id = api_utils.get_id_from_context(context)
        # FIXME(threod-safety): in DSE2, the returned caller can be a
        #   datasource name. But the datasource name may now refer to a new,
        #   unrelated datasource. Causing the rest of this code to operate on
        #   an unintended datasource.
        #   Fix: check UUID of datasource before operating. Abort if mismatch
        table = context.get('table_id')
        args = {'source_id': source_id}
        try:
            # Note(thread-safety): blocking call
            schema = self.invoke_rpc(caller, 'get_datasource_schema', args)
        except exception.CongressException as e:
            raise webservice.DataModelException(e.code,
                                                str(e),
                                                http_status_code=e.code)

        # request to see the schema for one table
        if table:
            if table not in schema:
                raise webservice.DataModelException(
                    404, ("Table '{}' for datasource '{}' has no "
                          "schema ".format(id_, source_id)),
                    http_status_code=404)
            return api_utils.create_table_dict(table, schema)

        tables = [
            api_utils.create_table_dict(table_, schema) for table_ in schema
        ]
        return {'tables': tables}
Пример #21
0
    def replace_items(self, items, params, context=None):
        """Replaces all data in a table.

        :param: id\_: A table id for replacing all row
        :param: items: A data for new rows
        :param: params: A dict-like object containing parameters from
                    request query
        :param: context: Key-values providing frame of reference of request
        :returns: None
        :raises KeyError: table id doesn't exist
        :raises DataModelException: any error occurs during replacing rows.
        """
        LOG.info("replace_items(context=%s)", context)
        # Note(thread-safety): blocking call
        caller, source_id = api_utils.get_id_from_context(context)
        # FIXME(thread-safety): in DSE2, the returned caller can be a
        #   datasource name. But the datasource name may now refer to a new,
        #   unrelated datasource. Causing the rest of this code to operate on
        #   an unintended datasource.
        #   It would have saved us if table_id was an UUID rather than a name,
        #   but it appears that table_id is just another word for tablename.
        #   Fix: check UUID of datasource before operating. Abort if mismatch
        table_id = context['table_id']
        try:
            args = {
                'table_id': table_id,
                'source_id': source_id,
                'objs': items
            }
            # Note(thread-safety): blocking call
            self.invoke_rpc(caller, 'replace_entire_table_data', args)
        except exception.CongressException as e:
            LOG.debug(
                "Error occurred while processing updating rows "
                "for source_id '%s' and table_id '%s'",
                source_id,
                table_id,
                exc_info=True)
            raise webservice.DataModelException.create(e)
        LOG.info("finish replace_items(context=%s)", context)
        LOG.debug("replaced table %s with row items: %s", table_id, str(items))
Пример #22
0
    def get_items(self, params, context=None):
        """Retrieve items from this model.

        :param: params: A dict-like object containing parameters
            from the request query string and body.
        :param: context: Key-values providing frame of reference of request

        :returns: A dict containing at least a 'actions' key whose value is a
            list of items in this model.
        """
        # Note: blocking call
        caller, source_id = api_utils.get_id_from_context(context)

        try:
            rpc_args = {'source_id': source_id}
            # Note(dse2): blocking call
            return self.invoke_rpc(caller, 'get_actions', rpc_args)
        except exception.CongressException as e:
            raise webservice.DataModelException(
                exception.NotFound.code, str(e),
                http_status_code=exception.NotFound.code)
Пример #23
0
    def get_items(self, params, context=None):
        """Get items in model.

        Args:
            params: A dict-like object containing parameters
                    from the request query string and body.
            context: Key-values providing frame of reference of request

        Returns: A dict containing at least a 'results' key whose value is
                 a list of items in the model.  Additional keys set in the
                 dict will also be rendered for the user.
        """
        LOG.info("get_items(context=%s)", context)
        gen_trace = False
        if 'trace' in params and params['trace'].lower() == 'true':
            gen_trace = True

        # Get the caller, it should be either policy or datasource
        caller, source_id = api_utils.get_id_from_context(
            context, self.datasource_mgr, self.engine)

        table_id = context['table_id']
        try:
            args = {'table_id': table_id, 'source_id': source_id,
                    'trace': gen_trace}
            result = self.invoke_rpc(caller, 'get_row_data', args)
        except exception.CongressException as e:
            m = ("Error occurred while processing source_id '%s' for row "
                 "data of the table '%s'" % (source_id, table_id))
            LOG.exception(m)
            raise webservice.DataModelException.create(e)

        if gen_trace and caller is self.engine:
            # DSE2 returns lists instead of tuples, so correct that.
            result[0] = [{'data': tuple(x['data'])} for x in result[0]]
            return {'results': result[0],
                    'trace': result[1] or "Not available"}
        else:
            result = [{'data': tuple(x['data'])} for x in result]
            return {'results': result}
Пример #24
0
    def get_items(self, params, context=None):
        """Retrieve items from this model.

        :param: params: A dict-like object containing parameters
            from the request query string and body.
        :param: context: Key-values providing frame of reference of request

        :returns: A dict containing at least a 'actions' key whose value is a
            list of items in this model.
        """
        # Note: blocking call
        caller, source_id = api_utils.get_id_from_context(context)

        try:
            rpc_args = {'source_id': source_id}
            # Note(dse2): blocking call
            return self.invoke_rpc(caller, 'get_actions', rpc_args)
        except exception.CongressException as e:
            raise webservice.DataModelException(
                exception.NotFound.code,
                str(e),
                http_status_code=exception.NotFound.code)
Пример #25
0
    def update_items(self, items, params, context=None):
        """Updates all data in a table.

        Args:
            id_: A table id for updating all row
            items: A data for new rows
            params: A dict-like object containing parameters from
                    request query
            context: Key-values providing frame of reference of request
        Returns: None
        Raises:
            KeyError: table id doesn't exist
            DataModelException: any error occurs during replacing rows.
        """
        LOG.info("update_items(context=%s)", context)
        # Note(thread-safety): blocking call
        caller, source_id = api_utils.get_id_from_context(context)
        # FIXME(threod-safety): in DSE2, the returned caller can be a
        #   datasource name. But the datasource name may now refer to a new,
        #   unrelated datasource. Causing the rest of this code to operate on
        #   an unintended datasource.
        #   It would have saved us if table_id was an UUID rather than a name,
        #   but it appears that table_id is just another word for tablename.
        #   Fix: check UUID of datasource before operating. Abort if mismatch
        table_id = context['table_id']
        try:
            args = {'table_id': table_id, 'source_id': source_id,
                    'objs': items}
            # Note(thread-safety): blocking call
            self.invoke_rpc(caller, 'update_entire_data', args)
        except exception.CongressException as e:
            LOG.exception("Error occurred while processing updating rows "
                          "for source_id '%s' and table_id '%s'",
                          source_id, table_id)
            raise webservice.DataModelException.create(e)
        LOG.info("finish update_items(context=%s)", context)
        LOG.debug("updated table %s with row items: %s",
                  table_id, str(items))
Пример #26
0
    def get_item(self, id_, params, context=None):
        """Retrieve item with id id_ from model.

        Args:
            id_: The ID of the item to retrieve
            params: A dict-like object containing parameters
                    from the request query string and body.
            context: Key-values providing frame of reference of request

        Returns:
             The matching item or None if item with id_ does not exist.
        """

        caller, source_id = api_utils.get_id_from_context(context,
                                                          self.datasource_mgr,
                                                          self.engine)

        tablename = self.rpc(caller, 'get_tablename', source_id, id_)
        if tablename:
            return {'id': tablename}

        LOG.info('source id %s or table id %s is not found',
                 source_id, id_)
Пример #27
0
    def get_item(self, id_, params, context=None):
        """Retrieve item with id id_ from model.

        Args:
            id_: The ID of the item to retrieve
            params: A dict-like object containing parameters
                    from the request query string and body.
            context: Key-values providing frame of reference of request

        Returns:
             The matching item or None if item with id_ does not exist.
        """
        caller, source_id = api_utils.get_id_from_context(
            context, self.datasource_mgr, self.engine)

        try:
            rpc_args = {'params': context, 'source_id': source_id}
            status = self.invoke_rpc(caller, 'get_status', rpc_args)
        except exception.CongressException as e:
            raise webservice.DataModelException(
                exception.NotFound.code, str(e),
                http_status_code=exception.NotFound.code)

        return status
Пример #28
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 def test_get_id_from_context_ds_id(self):
     context = {'ds_id': 'datasource id'}
     expected = ('datasource id', 'datasource id')
     result = api_utils.get_id_from_context(context)
     self.assertEqual(expected, result)
Пример #29
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 def test_get_id_from_context_ds_id(self):
     context = {'ds_id': 'datasource id'}
     expected = ('datasource id', 'datasource id')
     result = api_utils.get_id_from_context(context)
     self.assertEqual(expected, result)
Пример #30
0
 def test_get_id_from_context_policy_id(self):
     context = {'policy_id': 'policy id'}
     expected = ('__engine', 'policy id')
     result = api_utils.get_id_from_context(context)
     self.assertEqual(expected, result)
Пример #31
0
 def test_get_id_from_context_policy_id(self):
     context = {'policy_id': 'policy id'}
     expected = ('__engine', 'policy id')
     result = api_utils.get_id_from_context(context)
     self.assertEqual(expected, result)