RIFT OSM R1 Initial Submission

[osm/SO.git] / rwlaunchpad / plugins / rwautoscaler / rift / tasklets / rwautoscaler / subscribers.py

diff --git a/rwlaunchpad/plugins/rwautoscaler/rift/tasklets/rwautoscaler/subscribers.py b/rwlaunchpad/plugins/rwautoscaler/rift/tasklets/rwautoscaler/subscribers.py
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+++ b/rwlaunchpad/plugins/rwautoscaler/rift/tasklets/rwautoscaler/subscribers.py
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+
+# 
+#   Copyright 2016 RIFT.IO Inc
+#
+#   Licensed under the Apache License, Version 2.0 (the "License");
+#   you may not use this file except in compliance with the License.
+#   You may obtain a copy of the License at
+#
+#       http://www.apache.org/licenses/LICENSE-2.0
+#
+#   Unless required by applicable law or agreed to in writing, software
+#   distributed under the License is distributed on an "AS IS" BASIS,
+#   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#   See the License for the specific language governing permissions and
+#   limitations under the License.
+#
+
+import rift.mano.dts as mano_dts
+
+
+class NsrMonParamSubscriber(mano_dts.AbstractOpdataSubscriber):
+    """Registers for NSR monitoring parameter changes.
+    
+    Attributes:
+        monp_id (str): Monitoring Param ID
+        nsr_id (str): NSR ID
+    """
+    def __init__(self, log, dts, loop, nsr_id, monp_id=None, callback=None):
+        super().__init__(log, dts, loop, callback)
+        self.nsr_id = nsr_id
+        self.monp_id = monp_id
+
+    def get_xpath(self):
+        return ("D,/nsr:ns-instance-opdata/nsr:nsr" +
+            "[nsr:ns-instance-config-ref='{}']".format(self.nsr_id) +
+            "/nsr:monitoring-param" +
+            ("[nsr:id='{}']".format(self.monp_id) if self.monp_id else ""))
+
+
+