Add configparser, 2 functions with it, changed config name to settings.ini, created logfile

ban-server/data/www/unban.php

 <?php
  $ip = $_SERVER['REMOTE_ADDR'];
  $old_addr = $_SERVER['HTTP_REFERER'];
- $host_redis = '192.168.101.101';
+ $host_redis = '10.20.30.101';
  $redis = new Redis();
  $redis->pconnect($host_redis,6379);
  $redis->publish('unban', $ip);

gateway/usr/share/eterban/eterban_switcher.py

 #!/usr/bin/python3
 import redis
 import subprocess
+import time
+import sys
+import configparser
+import os
 
-f = open ('/etc/eterban/eterban.conf','r')
-line = f.readline()
-f.close()
-if line[:10] == "host_redis":
-    i = 10
-    while (line[i] == " "):
-        i+=1
-    i+=1
-    while (line[i] == " "):
-        i+=1
-    if line[-1] == '\n':
-        host_redis = line[i:-1]
+def createConfig(path_to_config, path_to_log):
+    """
+    Create a config file
+    """
+    config = configparser.ConfigParser()
+    config.add_section("Settings")
+    config.set("Settings", "redis_server", "10.20.30.101")
+    config.set("Settings", "hostname", "")
+    
+    with open(path_to_config, "w") as config_file:
+        config.write(config_file)
+    info = time.strftime( "%Y-%m-%d %H:%M:%S", time.localtime())
+    info +=" Created a config file (" + path_to_config + "). Update him!"
+    with open(path_to_log, "a") as log_file:
+        log_file.write(info)
+    sys.exit()
+
+def get_ip_redis_server (path_to_config, path_to_log):
+    if not os.path.exists(path_to_config):
+        createConfig (path_to_config, path_to_log)
+
+    config = configparser.ConfigParser()
+    config.read(path_to_config)
+
+    # Читаем некоторые значения из конфиг. файла.
+    
+    redis_server = config.get("Settings", "redis_server", fallback = "No such things as redis_server")
+    if redis_server == "No such things as monsters":
+        config.set("Settings", "redis_server", "10.20.30.101")
+        with open(path_to_config, "w") as config_file:
+            config_file.write(config)
+        info = time.strftime( "%Y-%m-%d %H:%M:%S", time.localtime())
+        info +=" " + redis_server + ". Added to config file (" + path_to_config + ") redis_server. Update him!"
+        with open(path_to_log, "a") as log_file:
+            log_file.write(info)
+        sys.exit()
     else:
-        host_redis = line[i:]
-del(line)
-del(f)
+        return (redis_server)
+
+try:
+    path_to_log = '/var/log/eterban/eterban.log'
+    log = open (path_to_log, 'a')
+    log.close()
+except:
+    try:
+        path_to_log = '/var/log/eterban.log'
+        log = open (path_to_log,'a')
+        log.close()
+    except:
+        print ("Unknown error with logfile")
+        sys.exit()
 
+
+path_to_config = '/etc/eterban/settings.ini'
+redis_server = get_ip_redis_server (path_to_config, path_to_log)
+
+
+
+print ("done!")
+#print (time.strftime( "%Y-%m-%d %H:%M:%S", time.localtime()))
 #subprocess.call ('ipset create blacklist hash:ip', stdout=subprocess.PIPE, stderr=subprocess.PIPE, shell = True)
 
-r = redis.Redis(host=host_redis)
+r = redis.Redis(host=redis_server)
 p = r.pubsub()
 
-p.subscribe('ban', 'unban')
+p.subscribe('ban', 'unban', 'by')
 
 for message in p.listen():
         if message is not None and  message['type']=='message' and message['channel'] == b'ban':
@@ -47,8 +94,19 @@ for message in p.listen():
         tcp_drop = 'conntrack -D -s ' + ip
         subprocess.Popen(tcp_drop, stdout=subprocess.PIPE, stderr=subprocess.PIPE, shell = True)
         #subprocess.Popen(tcp_drop, shell = True)
+
+    elif message is not None and message['type'] =='message' and message['channel'] == b'by':
+        info = time.strftime( "%Y-%m-%d %H:%M:%S", time.localtime())
+        info += " " + message['data'].decode('utf-8') + "\n"
+        #print (info)
+        log.write (info)
+        log.flush()
     elif message is not None:
         #print ("AHTUNG!!1!", message)
-        pass
+        info = time.strftime( "%Y-%m-%d %H:%M:%S", time.localtime())
+        info += " Unknown message: " + str(message) + "\n"
+        #print (info)
+        log.write (info)
+        log.flush()
     else:
         pass