update lokinetmon

* add --introset-filter option to filter results in introset inspection mode by regex

contrib/py/admin/lokinetmon

@@ -6,6 +6,7 @@ import sys
 import time
 import platform
 import os
+import re
 from argparse import ArgumentParser as AP
 
 is_windows = lambda : platform.system().lower() == 'windows'
@@ -40,12 +41,13 @@ except ImportError:
         print("for other linuxs do:")
         print("\tpip3 install --user geoip")
         print("for other linuxs you are responsible for obtaining your owen geoip databases, glhf")
+        time.sleep(1)
     else:
         print("install it with:")
         print("\tpip3 install --user geoip")
-    print("")
-    print("press enter to continue without geoip")
-    sys.stdin.read(1)
+        print()
+        print("press enter to continue without geoip")
+        sys.stdin.read(1)
 else:
     try:
         geoip_env_var = 'GEOIP_DB_FILE'
@@ -86,6 +88,7 @@ def ip_to_flag(ip):
 class Monitor:
 
     _sample_size = 12
+    introset_filter = None
 
     def __init__(self, url, introsetMode=False):
         self.txrate = 0
@@ -407,12 +410,14 @@ class Monitor:
         """
         y_pos += 1
         self.win.move(y_pos, 1)
-        self.win.addstr("localhost.loki")
-        y_pos = self._display_our_introset(y_pos, service)
-        y_pos += 1
+        if self.introset_filter("localhost.loki"):
+            self.win.addstr("localhost.loki")
+            y_pos = self._display_our_introset(y_pos, service)
+            y_pos += 1
         remotes = service['remoteSessions'] or []
         for session in remotes:
-            y_pos = self._display_session_introset(y_pos, session)
+            if self.introset_filter(session['remoteIdentity']):
+                y_pos = self._display_session_introset(y_pos, session)
 
     def _display_intro(self, y_pos, intro, label, paths):
         y_pos += 1
@@ -544,6 +549,7 @@ def main():
 
     ap.add_argument("--introset", action='store_const', const=True, default=False, help="run in introset inspection mode")
     ap.add_argument("--url", default='tcp://127.0.0.1:1190', type=str, help='url to lokinet rpc')
+    ap.add_argument('--introset-filter', default=None, type=str, help="while in introset inspection mode filter results by regex")
 
     args = ap.parse_args()
 
@@ -551,6 +557,9 @@ def main():
         args.url,
         args.introset
     )
+    mon.introset_filter = lambda x : True
+    if args.introset_filter:
+        mon.introset_filter = lambda x : re.match(args.introset_filter, x) is not None
     mon.run()
 
 if __name__ == "__main__":