Fix sending mail on SSL

src/LogMonitor.py

@@ -1,18 +1,18 @@
-#!/usr/local/bin/python3
+#!/usr/bin/python3
 
-# version 1.0.7.7
+# version 1.0.8.0
 
 ########################
 # Emergency mail CONFIG - when some error occures
 ########################
-EM_HOST = ""
-EM_PORT = ""
-EM_USER = ""
-EM_PASSWORD = ""
-EM_TO = ""
-EM_FROM = ""
-EM_USE_TLS = ""
-EM_USE_SSL = ""
+EM_HOST=""
+EM_PORT=""
+EM_USER=""
+EM_PASSWORD=""
+EM_TO=""
+EM_FROM=""
+EM_USE_TLS=""
+EM_USE_SSL=""
 #########################
 
 ########
@@ -30,6 +30,8 @@
 import sys
 import logging.handlers
 import traceback
+import shutil
+import time
 from email.mime.text import MIMEText
 from email.utils import formatdate
 from email.utils import make_msgid
@@ -86,7 +88,6 @@ def send_email(self, subject, message):
             my_logger.error("Can't send an email notification. Error: {0}.".format(str(e)))
             return False
 
-
 class cMail:
     def __init__(self):
         self.host = ""
@@ -188,7 +189,7 @@ def get_last_line(self, file_path):
     def update(self, file_path, offset, last_line, report=False):
         if report:
             if self.get_row(file_path) != offset and self.get_last_line(file_path) != last_line:
-                print("updating {}".format(file_path))
+                 print("updating {}".format(file_path))
 
         if file_path in self.offsets:
             self.offsets[file_path]["offset"] = offset
@@ -210,10 +211,32 @@ def __init__(self, config_file_path):
         self.mail = cMail()
         self.notification = cNotification()
         self.datasets = []
-        self.offsets = Offsets()
         self.processed_files = []
         self.read_and_parse_config_file(config_file_path)
 
+        try:
+            self.offsets = Offsets()
+        except:
+            ts = time.time()
+            backup_filename = LAST_LINES_FILE_PATH + "_corrupted_" + str(ts) + ".txt"
+
+            #: Send notification
+            email = EmailClient(EM_HOST, EM_PORT, EM_USER, EM_PASSWORD, EM_USE_TLS, EM_USE_SSL, EM_FROM, EM_TO)
+            email.send_email("Offsets file is corrupted", "Offsets file has been corrupted and LogMonitor is not able to parse it!\nLogMonitor created backup of this corrupted file {} and recreated new empty file.\n\n It is possible that already reported issues will be reported again.".format(backup_filename))
+
+            #: Create backup of corrupted file
+            shutil.move(LAST_LINES_FILE_PATH, backup_filename)
+
+            #: Create new offsets file
+            try:
+                with open(LAST_LINES_FILE_PATH, "x", encoding="utf-8") as file:
+                    file.write("{}")
+            except:
+                a = "File already exists so do nothing"
+
+
+
+
     def read_and_parse_config_file(self, config_file_path):
         try:
             with open(config_file_path, "r", encoding="utf-8") as config_file:
@@ -257,7 +280,7 @@ def read_and_parse_config_file(self, config_file_path):
 
                     self.datasets.append(newDataset)
         except:
-            # print (traceback.format_exception(*sys.exc_info())[-2:])
+            #print (traceback.format_exception(*sys.exc_info())[-2:])
             my_logger.error("couldn't process config file: " + str(traceback.format_exception(*sys.exc_info())[0:]))
             email = EmailClient(EM_HOST, EM_PORT, EM_USER, EM_PASSWORD, EM_USE_TLS, EM_USE_SSL, EM_FROM, EM_TO)
             email.send_email("couldn't process config file", str(traceback.format_exception(*sys.exc_info())[0:]))
@@ -358,8 +381,8 @@ def get_platform_eol():
     else:
         return "\n"
 
-
 def send_pushnotification(text, host, path, token, key, priority, title):
+
     while (text.endswith('\n')):
         text = text[:-1]
 
@@ -407,10 +430,9 @@ def send_pushnotification(text, host, path, token, key, priority, title):
     was_push_notification_sent = False
     were_offsets_removed = False
     if len(logMonitor.notification.nbody) > 0:
-        res = send_pushnotification(logMonitor.notification.nbody, logMonitor.notification.host,
-                                    logMonitor.notification.path,
-                                    logMonitor.notification.appToken, logMonitor.notification.userKey,
-                                    logMonitor.notification.priority, logMonitor.notification.title)
+        res = send_pushnotification(logMonitor.notification.nbody, logMonitor.notification.host, logMonitor.notification.path,
+                              logMonitor.notification.appToken, logMonitor.notification.userKey,
+                              logMonitor.notification.priority, logMonitor.notification.title)
         if res.status != 200:
             my_logger.error("Push notification error: " + res.reason)
         else:
@@ -419,9 +441,7 @@ def send_pushnotification(text, host, path, token, key, priority, title):
 
     was_mail_notification_sent = False
     if len(logMonitor.mail.mbody) > 0:
-        email = EmailClient(logMonitor.mail.host, logMonitor.mail.port, logMonitor.mail.user, logMonitor.mail.password,
-                            logMonitor.mail.useTls, logMonitor.mail.useSSL, logMonitor.mail.sender,
-                            logMonitor.mail.recipient)
+        email = EmailClient(logMonitor.mail.host, logMonitor.mail.port, logMonitor.mail.user, logMonitor.mail.password, logMonitor.mail.useTls, logMonitor.mail.useSSL, logMonitor.mail.sender, logMonitor.mail.recipient)
         if email.send_email(logMonitor.mail.subject, logMonitor.mail.mbody):
             logMonitor.offsets.remove_old_and_save(logMonitor.processed_files)
             was_mail_notification_sent = True