예제 #1
0
파일: report.py 프로젝트: weizai118/mogan
    def _create_resource_class(self, name):
        """Calls the placement API to create a new resource class.

        :param name: String name of the resource class to create.

        :returns: None on successful creation.
        :raises: `exception.InvalidResourceClass` upon error.
        """
        url = "/resource_classes"
        payload = {
            'name': name,
        }
        resp = self.post(url, payload, version="1.2")
        if 200 <= resp.status_code < 300:
            msg = ("Created resource class record via placement API "
                   "for resource class %s.")
            LOG.info(msg, name)
        elif resp.status_code == 409:
            # Another thread concurrently created a resource class with the
            # same name. Log a warning and then just return
            msg = ("Another thread already created a resource class "
                   "with the name %s. Returning.")
            LOG.info(msg, name)
        else:
            msg = ("Failed to create resource class %(resource_class)s in "
                   "placement API. Got %(status_code)d: %(err_text)s.")
            args = {
                'resource_class': name,
                'status_code': resp.status_code,
                'err_text': resp.text,
            }
            LOG.error(msg, args)
            raise exception.InvalidResourceClass(resource_class=name)
예제 #2
0
파일: report.py 프로젝트: weizai118/mogan
    def _ensure_resource_class(self, name):
        """Make sure a custom resource class exists.

        First attempt to PUT the resource class using microversion 1.7. If
        this results in a 406, fail over to a GET and POST with version 1.2.

        Returns the name of the resource class if it was successfully
        created or already exists. Otherwise None.

        :param name: String name of the resource class to check/create.
        :raises: `exception.InvalidResourceClass` upon error.
        """
        # no payload on the put request
        response = self.put("/resource_classes/%s" % name, None, version="1.7")
        if 200 <= response.status_code < 300:
            return name
        elif response.status_code == 406:
            # microversion 1.7 not available so try the earlier way
            # TODO(cdent): When we're happy that all placement
            # servers support microversion 1.7 we can remove this
            # call and the associated code.
            LOG.debug('Falling back to placement API microversion 1.2 '
                      'for resource class management.')
            return self._get_or_create_resource_class(name)
        else:
            msg = ("Failed to ensure resource class record with "
                   "placement API for resource class %(rc_name)s. "
                   "Got %(status_code)d: %(err_text)s.")
            args = {
                'rc_name': name,
                'status_code': response.status_code,
                'err_text': response.text,
            }
            LOG.error(msg, args)
            raise exception.InvalidResourceClass(resource_class=name)