rwlaunchpad/plugins/rwautoscaler/rift/tasklets/rwautoscaler/subscribers.py

   1
   2 #
   3 #   Copyright 2016-2017 RIFT.IO Inc
   4 #
   5 #   Licensed under the Apache License, Version 2.0 (the "License");
   6 #   you may not use this file except in compliance with the License.
   7 #   You may obtain a copy of the License at
   8 #
   9 #       http://www.apache.org/licenses/LICENSE-2.0
  10 #
  11 #   Unless required by applicable law or agreed to in writing, software
  12 #   distributed under the License is distributed on an "AS IS" BASIS,
  13 #   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14 #   See the License for the specific language governing permissions and
  15 #   limitations under the License.
  16 #
  17
  18 import gi
  19
  20 import rift.mano.dts as mano_dts
  21
  22 gi.require_version('RwKeyspec', '1.0')
  23 from gi.repository.RwKeyspec import quoted_key
  24
  25 class NsrMonParamSubscriber(mano_dts.AbstractOpdataSubscriber):
  26     """Registers for NSR monitoring parameter changes.
  27
  28     Attributes:
  29         monp_id (str): Monitoring Param ID
  30         nsr_id (str): NSR ID
  31     """
  32     def __init__(self, log, dts, loop, project, nsr_id, monp_id=None, callback=None):
  33         super().__init__(log, dts, loop, project, callback)
  34         self.nsr_id = nsr_id
  35         self.monp_id = monp_id
  36
  37     def get_xpath(self):
  38         return self.project.add_project("D,/nsr:ns-instance-opdata/nsr:nsr" +
  39             "[nsr:ns-instance-config-ref={}]".format(quoted_key(self.nsr_id)) +
  40             "/nsr:monitoring-param" +
  41             ("[nsr:id={}]".format(quoted_key(self.monp_id)) if self.monp_id else ""))
  42
  43
  44 class NsrScalingGroupRecordSubscriber(mano_dts.AbstractOpdataSubscriber):
  45     def __init__(self, log, dts, loop, project, nsr_id, scaling_group, callback=None):
  46         super().__init__(log, dts, loop, project, callback)
  47         self.nsr_id = nsr_id
  48         self.scaling_group = scaling_group
  49
  50     def get_xpath(self):
  51         return self.project.add_project("D,/nsr:ns-instance-opdata/nsr:nsr" +
  52             "[nsr:ns-instance-config-ref={}]".format(quoted_key(self.nsr_id)) +
  53             "/nsr:scaling-group-record" +
  54             "[nsr:scaling-group-name-ref={}]/instance".format(quoted_key(self.scaling_group)))
  55