chg: Improve monitoring script

tools/monitoring.py

@@ -3,10 +3,16 @@
 
 import json
 import logging
+import os
+import sys
+
+from typing import List, Tuple
 
 from redis import Redis
+from redis.exceptions import ConnectionError
 
 from lookyloo.helpers import get_config, get_socket_path, splash_status
+from lookyloo.abstractmanager import AbstractManager
 
 
 class Monitoring():
@@ -18,13 +24,44 @@ class Monitoring():
         self.redis_cache: Redis = Redis(unix_socket_path=get_socket_path('cache'), decode_responses=True)
         self.redis_indexing: Redis = Redis(unix_socket_path=get_socket_path('indexing'), decode_responses=True)
 
+    @property
+    def backend_status(self):
+        socket_path_cache = get_socket_path('cache')
+        socket_path_index = get_socket_path('indexing')
+        backend_up = True
+        if not os.path.exists(socket_path_cache):
+            print(f'Socket path for the cache redis DB does not exists ({socket_path_cache}).')
+            backend_up = False
+        if not os.path.exists(socket_path_index):
+            print(f'Socket path for the indexing redis DB does not exists ({socket_path_index}).')
+            backend_up = False
+        if backend_up:
+            try:
+                cache_reachable = True if self.redis_cache.ping() else False
+                if not cache_reachable:
+                    print('Unable to ping the redis cache db.')
+                    backend_up = False
+            except ConnectionError:
+                print('Unable to connect to the redis cache db.')
+                backend_up = False
+            try:
+                indexing_reachable = True if self.redis_indexing.ping() else False
+                if not indexing_reachable:
+                    print('Unable to ping the redis indexing db.')
+                    backend_up = False
+            except ConnectionError:
+                print('Unable to connect to the redis indexing db.')
+                backend_up = False
+
+        return backend_up
+
     @property
     def queues(self):
         return self.redis_cache.zrevrangebyscore('queues', 'Inf', '-Inf', withscores=True)
 
     @property
     def ongoing_captures(self):
-        captures_uuid = self.redis_cache.zrevrangebyscore('to_capture', 'Inf', '-Inf', withscores=True)
+        captures_uuid: List[Tuple[str, float]] = self.redis_cache.zrevrangebyscore('to_capture', 'Inf', '-Inf', withscores=True)
         if not captures_uuid:
             return []
         to_return = []
@@ -45,13 +82,23 @@ if __name__ == '__main__':
         print('Splash is down: ', message)
 
     m = Monitoring()
+    backend_up = m.backend_status
+    if not backend_up:
+        print('Backend not up, breaking.')
+        sys.exit()
+
+    print('Services currently running:')
+    running = AbstractManager.is_running()
+    for service, number in running:
+        print(service, f'({int(number)} service(s))')
+
     print('Current queues:')
-    for q in m.queues:
-        print(q)
+    for q, priority in m.queues:
+        print(q, f'Priority: {int(priority)}')
     # ------------------
     print('Captures details:')
     captures = m.ongoing_captures
     print('Queue length', len(captures))
     for uuid, rank, d in captures:
-        print(uuid, rank)
+        print(uuid, f'Rank: {int(rank)}')
         print(json.dumps(d, indent=2))