add rest api for network and monitoring

[osm/vim-emu.git] / src / emuvim / api / rest / monitor.py

diff --git a/src/emuvim/api/rest/monitor.py b/src/emuvim/api/rest/monitor.py
new file mode 100755 (executable)
index 0000000..b1edbc3
--- /dev/null
+++ b/src/emuvim/api/rest/monitor.py
@@ -0,0 +1,72 @@
+import logging
+from flask_restful import Resource
+from flask import request
+import json
+
+logging.basicConfig(level=logging.INFO)
+
+net = None
+
+
+
+class MonitorInterfaceAction(Resource):
+    """
+    Monitor the counters of a VNF interface
+    :param vnf_name: name of the VNF to be monitored
+    :param vnf_interface: name of the VNF interface to be monitored
+    :param metric: tx_bytes, rx_bytes, tx_packets, rx_packets
+    :return: message string indicating if the monitor action is succesful or not
+    """
+    global net
+
+    def put(self, vnf_name, vnf_interface, metric):
+        logging.debug("REST CALL: start monitor VNF interface")
+        try:
+            c = net.monitor_agent.setup_metric(vnf_name, vnf_interface, metric)
+            # return monitor message response
+            return  str(c), 200
+        except Exception as ex:
+            logging.exception("API error.")
+            return ex.message, 500
+
+    def delete(self, vnf_name, vnf_interface, metric):
+        logging.debug("REST CALL: stop monitor VNF interface")
+        try:
+            c = net.monitor_agent.stop_metric(vnf_name, vnf_interface, metric)
+            # return monitor message response
+            return str(c), 200
+        except Exception as ex:
+            logging.exception("API error.")
+            return ex.message, 500
+
+
+class MonitorFlowAction(Resource):
+    """
+    Monitor the counters of a specific flow
+    :param vnf_name: name of the VNF to be monitored
+    :param vnf_interface: name of the VNF interface to be monitored
+    :param metric: tx_bytes, rx_bytes, tx_packets, rx_packets
+    :param cookie: specific identifier of flows to monitor
+    :return: message string indicating if the monitor action is succesful or not
+    """
+    global net
+
+    def put(self, vnf_name, vnf_interface, metric, cookie):
+        logging.debug("REST CALL: start monitor VNF interface")
+        try:
+            c = net.monitor_agent.setup_flow(vnf_name, vnf_interface, metric, cookie)
+            # return monitor message response
+            return str(c), 200
+        except Exception as ex:
+            logging.exception("API error.")
+            return ex.message, 500
+
+    def delete(self, vnf_name, vnf_interface, metric, cookie):
+        logging.debug("REST CALL: stop monitor VNF interface")
+        try:
+            c = net.monitor_agent.stop_flow(vnf_name, vnf_interface, metric, cookie)
+            # return monitor message response
+            return str(c), 200
+        except Exception as ex:
+            logging.exception("API error.")
+            return ex.message, 500
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