Ejemplo n.º 1
0
 def _save_flow_details(self, flow_detail, ignore_missing):
     # See if we have an existing flow detail to merge with.
     e_fd = None
     try:
         e_fd = self._get_flow_details(flow_detail.uuid, lock=False)
     except EnvironmentError:
         if not ignore_missing:
             raise exc.NotFound("No flow details found with id: %s"
                                % flow_detail.uuid)
     if e_fd is not None:
         e_fd = p_utils.flow_details_merge(e_fd, flow_detail)
         for td in flow_detail:
             if e_fd.find(td.uuid) is None:
                 e_fd.add(td)
         flow_detail = e_fd
     flow_path = os.path.join(self._flow_path, flow_detail.uuid)
     misc.ensure_tree(flow_path)
     self._write_to(
         os.path.join(flow_path, 'metadata'),
         jsonutils.dumps(p_utils.format_flow_detail(flow_detail)))
     if len(flow_detail):
         task_path = os.path.join(flow_path, 'tasks')
         misc.ensure_tree(task_path)
         self._run_with_process_lock('task',
                                     self._save_tasks_and_link,
                                     list(flow_detail), task_path)
     return flow_detail
Ejemplo n.º 2
0
    def _update_flow_details(self, fd, txn, create_missing=False):
        # Determine whether the desired data exists or not
        fd_path = paths.join(self.flow_path, fd.uuid)
        try:
            fd_data, _zstat = self._client.get(fd_path)
        except k_exc.NoNodeError:
            # Not-existent: create or raise exception
            if create_missing:
                txn.create(fd_path)
                e_fd = logbook.FlowDetail(name=fd.name, uuid=fd.uuid)
            else:
                raise exc.NotFound("No flow details found with id: %s"
                                   % fd.uuid)
        else:
            # Existent: read it out
            e_fd = p_utils.unformat_flow_detail(fd.uuid,
                                                misc.decode_json(fd_data))

        # Update and write it back
        e_fd = p_utils.flow_details_merge(e_fd, fd)
        fd_data = p_utils.format_flow_detail(e_fd)
        txn.set_data(fd_path, misc.binary_encode(jsonutils.dumps(fd_data)))
        for td in fd:
            td_path = paths.join(fd_path, td.uuid)
            # NOTE(harlowja): create an entry in the flow detail path
            # for the provided task detail so that a reference exists
            # from the flow detail to its task details.
            if not self._client.exists(td_path):
                txn.create(td_path)
            e_fd.add(self._update_task_details(td, txn, create_missing=True))
        return e_fd
Ejemplo n.º 3
0
 def _save_flow_details(self, flow_detail, ignore_missing):
     # See if we have an existing flow detail to merge with.
     e_fd = None
     try:
         e_fd = self._get_flow_details(flow_detail.uuid, lock=False)
     except EnvironmentError:
         if not ignore_missing:
             raise exc.NotFound("No flow details found with id: %s"
                                % flow_detail.uuid)
     if e_fd is not None:
         e_fd = p_utils.flow_details_merge(e_fd, flow_detail)
         for td in flow_detail:
             if e_fd.find(td.uuid) is None:
                 e_fd.add(td)
         flow_detail = e_fd
     flow_path = os.path.join(self._flow_path, flow_detail.uuid)
     misc.ensure_tree(flow_path)
     self._write_to(
         os.path.join(flow_path, 'metadata'),
         jsonutils.dumps(p_utils.format_flow_detail(flow_detail)))
     if len(flow_detail):
         task_path = os.path.join(flow_path, 'tasks')
         misc.ensure_tree(task_path)
         self._run_with_process_lock('task',
                                     self._save_tasks_and_link,
                                     list(flow_detail), task_path)
     return flow_detail
Ejemplo n.º 4
0
    def _update_flow_details(self, fd, txn, create_missing=False):
        # Determine whether the desired data exists or not
        fd_path = paths.join(self.flow_path, fd.uuid)
        try:
            fd_data, _zstat = self._client.get(fd_path)
        except k_exc.NoNodeError:
            # Not-existent: create or raise exception
            if create_missing:
                txn.create(fd_path)
                e_fd = logbook.FlowDetail(name=fd.name, uuid=fd.uuid)
            else:
                raise exc.NotFound("No flow details found with id: %s" %
                                   fd.uuid)
        else:
            # Existent: read it out
            e_fd = p_utils.unformat_flow_detail(fd.uuid,
                                                misc.decode_json(fd_data))

        # Update and write it back
        e_fd = p_utils.flow_details_merge(e_fd, fd)
        fd_data = p_utils.format_flow_detail(e_fd)
        txn.set_data(fd_path, misc.binary_encode(jsonutils.dumps(fd_data)))
        for td in fd:
            td_path = paths.join(fd_path, td.uuid)
            # NOTE(harlowja): create an entry in the flow detail path
            # for the provided task detail so that a reference exists
            # from the flow detail to its task details.
            if not self._client.exists(td_path):
                txn.create(td_path)
            e_fd.add(self._update_task_details(td, txn, create_missing=True))
        return e_fd
Ejemplo n.º 5
0
 def _create_logbook(lb_path, txn):
     lb_data = p_utils.format_logbook(lb, created_at=None)
     txn.create(lb_path, misc.binary_encode(jsonutils.dumps(lb_data)))
     for fd in lb:
         # NOTE(harlowja): create an entry in the logbook path
         # for the provided flow detail so that a reference exists
         # from the logbook to its flow details.
         txn.create(paths.join(lb_path, fd.uuid))
         fd_path = paths.join(self.flow_path, fd.uuid)
         fd_data = jsonutils.dumps(p_utils.format_flow_detail(fd))
         txn.create(fd_path, misc.binary_encode(fd_data))
         for td in fd:
             # NOTE(harlowja): create an entry in the flow detail path
             # for the provided task detail so that a reference exists
             # from the flow detail to its task details.
             txn.create(paths.join(fd_path, td.uuid))
             td_path = paths.join(self.task_path, td.uuid)
             td_data = jsonutils.dumps(p_utils.format_task_detail(td))
             txn.create(td_path, misc.binary_encode(td_data))
     return lb
Ejemplo n.º 6
0
 def _create_logbook(lb_path, txn):
     lb_data = p_utils.format_logbook(lb, created_at=None)
     txn.create(lb_path, misc.binary_encode(jsonutils.dumps(lb_data)))
     for fd in lb:
         # NOTE(harlowja): create an entry in the logbook path
         # for the provided flow detail so that a reference exists
         # from the logbook to its flow details.
         txn.create(paths.join(lb_path, fd.uuid))
         fd_path = paths.join(self.flow_path, fd.uuid)
         fd_data = jsonutils.dumps(p_utils.format_flow_detail(fd))
         txn.create(fd_path, misc.binary_encode(fd_data))
         for td in fd:
             # NOTE(harlowja): create an entry in the flow detail path
             # for the provided task detail so that a reference exists
             # from the flow detail to its task details.
             txn.create(paths.join(fd_path, td.uuid))
             td_path = paths.join(self.task_path, td.uuid)
             td_data = jsonutils.dumps(p_utils.format_task_detail(td))
             txn.create(td_path, misc.binary_encode(td_data))
     return lb