[AETHER-2613]: Improve Ping Test of Monitoring Agent

Ping entries added (taken from ping command output):
  - transmitted: The number of packets transmitted.
  - received: The number of packets received.
  - median: The median of all successful rtt packet times in ms.

Adds support for running ping to+from:
  - management_server
  - dry_run: Should be first to run since first ping test after attach may drop packets. Runs 3 iterations.

Also changes default DNS to 1.1.1.1

Change-Id: I796ce1bd88510282703e9400a69cf5df31f9fc53
diff --git a/edge-monitoring-server/edge_monitoring_server.py b/edge-monitoring-server/edge_monitoring_server.py
index f9184d8..0110e34 100755
--- a/edge-monitoring-server/edge_monitoring_server.py
+++ b/edge-monitoring-server/edge_monitoring_server.py
@@ -61,9 +61,25 @@
                 "ping": {
                     "type": "object",
                     "properties": {
+                        "dry_run": {
+                            "type": "object",
+                            "properties": {
+                                "transmitted": {"type": "number"},
+                                "received": {"type": "number"},
+                                "median": {"type": "number"},
+                                "min": {"type": "number"},
+                                "avg": {"type": "number"},
+                                "max": {"type": "number"},
+                                "stddev": {"type": "number"}
+                            },
+                            "required": ["min", "avg", "max", "stddev"]
+                        },
                         "dns": {
                             "type": "object",
                             "properties": {
+                                "transmitted": {"type": "number"},
+                                "received": {"type": "number"},
+                                "median": {"type": "number"},
                                 "min": {"type": "number"},
                                 "avg": {"type": "number"},
                                 "max": {"type": "number"},
@@ -74,13 +90,29 @@
                         "iperf_server": {
                             "type": "object",
                             "properties": {
+                                "transmitted": {"type": "number"},
+                                "received": {"type": "number"},
+                                "median": {"type": "number"},
                                 "min": {"type": "number"},
                                 "avg": {"type": "number"},
                                 "max": {"type": "number"},
                                 "stddev": {"type": "number"}
                             },
                             "required": ["min", "avg", "max", "stddev"]
-                        }
+                        },
+                        "management_server": {
+                            "type": "object",
+                            "properties": {
+                                "transmitted": {"type": "number"},
+                                "received": {"type": "number"},
+                                "median": {"type": "number"},
+                                "min": {"type": "number"},
+                                "avg": {"type": "number"},
+                                "max": {"type": "number"},
+                                "stddev": {"type": "number"}
+                            },
+                            "required": ["min", "avg", "max", "stddev"]
+                        },
                     }
                 },
                 "iperf": {
@@ -119,13 +151,37 @@
         },
         'speedtest': {
             'ping': {
+                'dry_run': {
+                    'transmitted': 0,
+                    'received': 0,
+                    'median': 0.0,
+                    'min': 0.0,
+                    'avg': 0.0,
+                    'max': 0.0,
+                    'stddev': 0.0
+                },
                 'dns': {
+                    'transmitted': 0,
+                    'received': 0,
+                    'median': 0.0,
                     'min': 0.0,
                     'avg': 0.0,
                     'max': 0.0,
                     'stddev': 0.0
                 },
                 'iperf_server': {
+                    'transmitted': 0,
+                    'received': 0,
+                    'median': 0.0,
+                    'min': 0.0,
+                    'avg': 0.0,
+                    'max': 0.0,
+                    'stddev': 0.0
+                },
+                'management_server': {
+                    'transmitted': 0,
+                    'received': 0,
+                    'median': 0.0,
                     'min': 0.0,
                     'avg': 0.0,
                     'max': 0.0,
@@ -170,18 +226,42 @@
 ping_test_ok = prom.Gauge("aetheredge_ping_test_ok", "Last ping test passed", ["name"])
 e2e_tests_down = prom.Gauge("aetheredge_e2e_tests_down", "E2E tests not reporting", ["name"])
 
-# Speedtest dns ping metrics
+# Ping dry_run metrics
+ping_dry_run_transmitted = prom.Gauge("aetheredge_ping_dry_run_test_transmitted","Last ping test to dry_run number of transmitted packets",["name"])
+ping_dry_run_received = prom.Gauge("aetheredge_ping_dry_run_test_received","Last ping test to dry_run number of received packets",["name"])
+ping_dry_run_median = prom.Gauge("aetheredge_ping_dry_run_test_median","Last ping test to dry_run median value",["name"])
+ping_dry_run_min = prom.Gauge("aetheredge_ping_dry_run_test_min","Last ping test to dry_run minimum value",["name"])
+ping_dry_run_avg = prom.Gauge("aetheredge_ping_dry_run_test_avg","Last ping test to dry_run average",["name"])
+ping_dry_run_max = prom.Gauge("aetheredge_ping_dry_run_test_max","Last ping test to dry_run maximum value",["name"])
+ping_dry_run_stddev = prom.Gauge("aetheredge_ping_dry_run_test_stddev","Last ping test to dry_run standard deviation",["name"])
+
+# Ping dns metrics
+ping_dns_transmitted = prom.Gauge("aetheredge_ping_dns_test_transmitted","Last ping test to dns number of transmitted packets",["name"])
+ping_dns_received = prom.Gauge("aetheredge_ping_dns_test_received","Last ping test to dns number of received packets",["name"])
+ping_dns_median = prom.Gauge("aetheredge_ping_dns_test_median","Last ping test to dns median value",["name"])
 ping_dns_min = prom.Gauge("aetheredge_ping_dns_test_min","Last ping test to dns minimum value",["name"])
 ping_dns_avg = prom.Gauge("aetheredge_ping_dns_test_avg","Last ping test to dns average",["name"])
 ping_dns_max = prom.Gauge("aetheredge_ping_dns_test_max","Last ping test to dns maximum value",["name"])
 ping_dns_stddev = prom.Gauge("aetheredge_ping_dns_test_stddev","Last ping test to dns standard deviation",["name"])
 
-# Speedtest iperf server ping metrics
+# Ping iperf server metrics
+ping_iperf_server_transmitted = prom.Gauge("aetheredge_ping_iperf_server_test_transmitted","Last ping test to iperf_server number of transmitted packets",["name"])
+ping_iperf_server_received = prom.Gauge("aetheredge_ping_iperf_server_test_received","Last ping test to iperf_server number of received packets",["name"])
+ping_iperf_server_median = prom.Gauge("aetheredge_ping_iperf_server_test_median","Last ping test to iperf_server median value",["name"])
 ping_iperf_server_min = prom.Gauge("aetheredge_ping_iperf_server_test_min","Last ping test to iperf_server minimum value",["name"])
 ping_iperf_server_avg = prom.Gauge("aetheredge_ping_iperf_server_test_avg","Last ping test to iperf_server average",["name"])
 ping_iperf_server_max = prom.Gauge("aetheredge_ping_iperf_server_test_max","Last ping test to iperf_server maximum value",["name"])
 ping_iperf_server_stddev = prom.Gauge("aetheredge_ping_iperf_server_test_stddev","Last ping test to iperf_server standard deviation",["name"])
 
+# Ping management_server metrics
+ping_management_server_transmitted = prom.Gauge("aetheredge_ping_management_server_test_transmitted","Last ping test to management_server number of transmitted packets",["name"])
+ping_management_server_received = prom.Gauge("aetheredge_ping_management_server_test_received","Last ping test to management_server number of received packets",["name"])
+ping_management_server_median = prom.Gauge("aetheredge_ping_management_server_test_median","Last ping test to management_server median value",["name"])
+ping_management_server_min = prom.Gauge("aetheredge_ping_management_server_test_min","Last ping test to management_server minimum value",["name"])
+ping_management_server_avg = prom.Gauge("aetheredge_ping_management_server_test_avg","Last ping test to management_server average",["name"])
+ping_management_server_max = prom.Gauge("aetheredge_ping_management_server_test_max","Last ping test to management_server maximum value",["name"])
+ping_management_server_stddev = prom.Gauge("aetheredge_ping_management_server_test_stddev","Last ping test to management_server standard deviation",["name"])
+
 # Speedtest iperf metrics
 iperf_cluster_downlink = prom.Gauge("aetheredge_iperf_cluster_downlink_test","Last iperf test downlink result",["name"])
 iperf_cluster_uplink = prom.Gauge("aetheredge_iperf_cluster_uplink_test","Last iperf test downlink result",["name"])
@@ -249,14 +329,34 @@
         if time_elapsed > NO_RESULT_THRESHOLD:
             edge['status']['control_plane'] = "no result"
             edge['status']['user_plane'] = "no result"
-            edge['speedtest']['ping']['dns'] = {'min': 0.0,
+            edge['speedtest']['ping']['dry_run'] = {'transmitted': 0,
+                                                    'received': 0,
+                                                    'median': 0.0,
+                                                    'min': 0.0,
+                                                    'avg': 0.0,
+                                                    'max': 0.0,
+                                                    'stddev': 0.0}
+            edge['speedtest']['ping']['dns'] = {'transmitted': 0,
+                                                'received': 0,
+                                                'median': 0.0,
+                                                'min': 0.0,
                                                 'avg': 0.0,
                                                 'max': 0.0,
                                                 'stddev': 0.0}
-            edge['speedtest']['ping']['iperf_server'] = {'min': 0.0,
+            edge['speedtest']['ping']['iperf_server'] = {'transmitted': 0,
+                                                         'received': 0,
+                                                         'median': 0.0,
+                                                         'min': 0.0,
                                                          'avg': 0.0,
                                                          'max': 0.0,
                                                          'stddev': 0.0}
+            edge['speedtest']['ping']['management_server'] = {'transmitted': 0,
+                                                              'received': 0,
+                                                              'median': 0.0,
+                                                              'min': 0.0,
+                                                              'avg': 0.0,
+                                                              'max': 0.0,
+                                                              'stddev': 0.0}
             edge['speedtest']['iperf'] = {'cluster': {
                                             'downlink': 0.0,
                                             'uplink': 0.0
@@ -277,10 +377,24 @@
         pass
 
     try:
+        ping_dry_run_min.remove(name)
+        ping_dry_run_avg.remove(name)
+        ping_dry_run_max.remove(name)
+        ping_dry_run_stddev.remove(name)
+        ping_dry_run_transmitted.remove(name)
+        ping_dry_run_received.remove(name)
+        ping_dry_run_median.remove(name)
+    except:
+        pass
+
+    try:
         ping_dns_min.remove(name)
         ping_dns_avg.remove(name)
         ping_dns_max.remove(name)
         ping_dns_stddev.remove(name)
+        ping_dns_transmitted.remove(name)
+        ping_dns_received.remove(name)
+        ping_dns_median.remove(name)
     except:
         pass
 
@@ -289,6 +403,20 @@
         ping_iperf_server_avg.remove(name)
         ping_iperf_server_max.remove(name)
         ping_iperf_server_stddev.remove(name)
+        ping_iperf_server_transmitted.remove(name)
+        ping_iperf_server_received.remove(name)
+        ping_iperf_server_median.remove(name)
+    except:
+        pass
+
+    try:
+        ping_management_server_min.remove(name)
+        ping_management_server_avg.remove(name)
+        ping_management_server_max.remove(name)
+        ping_management_server_stddev.remove(name)
+        ping_management_server_transmitted.remove(name)
+        ping_management_server_received.remove(name)
+        ping_management_server_median.remove(name)
     except:
         pass
 
@@ -320,6 +448,19 @@
         connect_status = edge['status']['control_plane']
         ping_status = edge['status']['user_plane']
 
+        # Add ping dry_run latency results if available
+        try:
+            if edge['speedtest']['ping']['dry_run']['avg']:
+                ping_dry_run_min.labels(edge['name']).set(edge['speedtest']['ping']['dry_run']['min'])
+                ping_dry_run_avg.labels(edge['name']).set(edge['speedtest']['ping']['dry_run']['avg'])
+                ping_dry_run_max.labels(edge['name']).set(edge['speedtest']['ping']['dry_run']['max'])
+                ping_dry_run_stddev.labels(edge['name']).set(edge['speedtest']['ping']['dry_run']['stddev'])
+                ping_dry_run_transmitted.labels(edge['name']).set(edge['speedtest']['ping']['dry_run']['transmitted'])
+                ping_dry_run_received.labels(edge['name']).set(edge['speedtest']['ping']['dry_run']['received'])
+                ping_dry_run_median.labels(edge['name']).set(edge['speedtest']['ping']['dry_run']['median'])
+        except KeyError:
+            pass
+
         # Add ping dns latency results if available
         try:
             if edge['speedtest']['ping']['dns']['avg']:
@@ -327,6 +468,9 @@
                 ping_dns_avg.labels(edge['name']).set(edge['speedtest']['ping']['dns']['avg'])
                 ping_dns_max.labels(edge['name']).set(edge['speedtest']['ping']['dns']['max'])
                 ping_dns_stddev.labels(edge['name']).set(edge['speedtest']['ping']['dns']['stddev'])
+                ping_dns_transmitted.labels(edge['name']).set(edge['speedtest']['ping']['dns']['transmitted'])
+                ping_dns_received.labels(edge['name']).set(edge['speedtest']['ping']['dns']['received'])
+                ping_dns_median.labels(edge['name']).set(edge['speedtest']['ping']['dns']['median'])
         except KeyError:
             pass
 
@@ -337,6 +481,22 @@
                 ping_iperf_server_avg.labels(edge['name']).set(edge['speedtest']['ping']['iperf_server']['avg'])
                 ping_iperf_server_max.labels(edge['name']).set(edge['speedtest']['ping']['iperf_server']['max'])
                 ping_iperf_server_stddev.labels(edge['name']).set(edge['speedtest']['ping']['iperf_server']['stddev'])
+                ping_iperf_server_transmitted.labels(edge['name']).set(edge['speedtest']['ping']['iperf_server']['transmitted'])
+                ping_iperf_server_received.labels(edge['name']).set(edge['speedtest']['ping']['iperf_server']['received'])
+                ping_iperf_server_median.labels(edge['name']).set(edge['speedtest']['ping']['iperf_server']['median'])
+        except KeyError:
+            pass
+
+        # Add ping management_server latency results if available
+        try:
+            if edge['speedtest']['ping']['management_server']['avg']:
+                ping_management_server_min.labels(edge['name']).set(edge['speedtest']['ping']['management_server']['min'])
+                ping_management_server_avg.labels(edge['name']).set(edge['speedtest']['ping']['management_server']['avg'])
+                ping_management_server_max.labels(edge['name']).set(edge['speedtest']['ping']['management_server']['max'])
+                ping_management_server_stddev.labels(edge['name']).set(edge['speedtest']['ping']['management_server']['stddev'])
+                ping_management_server_transmitted.labels(edge['name']).set(edge['speedtest']['ping']['management_server']['transmitted'])
+                ping_management_server_received.labels(edge['name']).set(edge['speedtest']['ping']['management_server']['received'])
+                ping_management_server_median.labels(edge['name']).set(edge['speedtest']['ping']['management_server']['median'])
         except KeyError:
             pass
 
@@ -376,14 +536,39 @@
 
     res.append(prom.generate_latest(cp_status))
     res.append(prom.generate_latest(up_status))
+
+    res.append(prom.generate_latest(ping_dry_run_min))
+    res.append(prom.generate_latest(ping_dry_run_avg))
+    res.append(prom.generate_latest(ping_dry_run_max))
+    res.append(prom.generate_latest(ping_dry_run_stddev))
+    res.append(prom.generate_latest(ping_dry_run_transmitted))
+    res.append(prom.generate_latest(ping_dry_run_received))
+    res.append(prom.generate_latest(ping_dry_run_median))
+
     res.append(prom.generate_latest(ping_dns_min))
     res.append(prom.generate_latest(ping_dns_avg))
     res.append(prom.generate_latest(ping_dns_max))
     res.append(prom.generate_latest(ping_dns_stddev))
+    res.append(prom.generate_latest(ping_dns_transmitted))
+    res.append(prom.generate_latest(ping_dns_received))
+    res.append(prom.generate_latest(ping_dns_median))
+
     res.append(prom.generate_latest(ping_iperf_server_min))
     res.append(prom.generate_latest(ping_iperf_server_avg))
     res.append(prom.generate_latest(ping_iperf_server_max))
     res.append(prom.generate_latest(ping_iperf_server_stddev))
+    res.append(prom.generate_latest(ping_iperf_server_transmitted))
+    res.append(prom.generate_latest(ping_iperf_server_received))
+    res.append(prom.generate_latest(ping_iperf_server_median))
+
+    res.append(prom.generate_latest(ping_management_server_min))
+    res.append(prom.generate_latest(ping_management_server_avg))
+    res.append(prom.generate_latest(ping_management_server_max))
+    res.append(prom.generate_latest(ping_management_server_stddev))
+    res.append(prom.generate_latest(ping_management_server_transmitted))
+    res.append(prom.generate_latest(ping_management_server_received))
+    res.append(prom.generate_latest(ping_management_server_median))
+
     res.append(prom.generate_latest(iperf_cluster_downlink))
     res.append(prom.generate_latest(iperf_cluster_uplink))
     res.append(prom.generate_latest(last_update))
@@ -435,13 +620,37 @@
         },
         'speedtest': {
             'ping': {
+                'dry_run': {
+                    'transmitted' : 0,
+                    'received' : 0,
+                    'median' : 0.0,
+                    'min': 0.0,
+                    'avg': 0.0,
+                    'max': 0.0,
+                    'stddev': 0.0
+                },
                 'dns': {
+                    'transmitted' : 0,
+                    'received' : 0,
+                    'median' : 0.0,
                     'min': 0.0,
                     'avg': 0.0,
                     'max': 0.0,
                     'stddev': 0.0
                 },
                 'iperf_server': {
+                    'transmitted' : 0,
+                    'received' : 0,
+                    'median' : 0.0,
+                    'min': 0.0,
+                    'avg': 0.0,
+                    'max': 0.0,
+                    'stddev': 0.0
+                },
+                'management_server': {
+                    'transmitted' : 0,
+                    'received' : 0,
+                    'median' : 0.0,
                     'min': 0.0,
                     'avg': 0.0,
                     'max': 0.0,