recreate cache if cannot read

PVE-Zabbix.py

@@ -5,7 +5,7 @@ from VM import VM
 from Storage import Storage
 
 USERNAME = "zabbix@pve"
-PASSWORD = "KbCurGdt82NTgBye"
+PASSWORD = "zabbix"
 HOST = "localhost:8006"
 
 conn = PVEApi(HOST, USERNAME, PASSWORD)

PVEApi.py

@@ -53,10 +53,15 @@ class PVEApi(object):
         Proxmox says ticket is valid for 2 hours. For safety we use 1 hour
         :return: Boolean value of True if ticket is considered expired. False if opposite.
         """
+        try:
             with open(CACHEFILE, 'r') as f:
                 data = json.load(f)
                 timestamp = data['timestamp']
                 return True if time.time() - timestamp > 3600 else False
+        except:
+            self.csrftoken = get_auth(self.host, username, password)[0]
+            self.ticket = get_auth(self.host, username, password)[1]
+            self.write_ticketcache()
 
 
     def write_ticketcache(self):