From 1106cc18ef91eead2741f7d48a30f0314fe019d9 Mon Sep 17 00:00:00 2001
From: Jannik Schönartz
Date: Thu, 10 Jan 2019 19:13:13 +0100
Subject: Add tftp checks and code cleanup

---
 README.txt    |  1 +
 bwLpStatus.py | 47 ++++++++++++++++++++++-------------------------
 2 files changed, 23 insertions(+), 25 deletions(-)

diff --git a/README.txt b/README.txt
index 9b7489f..911335a 100644
--- a/README.txt
+++ b/README.txt
@@ -1,5 +1,6 @@
 Python modules needed:
 pip3 install thriftpy
+pip3 install tftpy
 
 bwlp.thrift needed:
 wget http://git.openslx.org/bwlp/master-sync-shared.git/plain/src/main/thrift/bwlp.thrift
diff --git a/bwLpStatus.py b/bwLpStatus.py
index fbe5e09..076f879 100755
--- a/bwLpStatus.py
+++ b/bwLpStatus.py
@@ -2,13 +2,14 @@
 import subprocess
 import urllib.request
 import urllib.error
-# import mysql.connector
 import thriftpy
 from thriftpy.rpc import make_client
 from thriftpy.transport import TFramedTransportFactory
 import shutil
 import datetime
 import os
+import tftpy
+import logging
 
 # Global variables
 statusList = []
@@ -66,7 +67,6 @@ def ping(name, hostname):
     stderr=subprocess.PIPE
   )
   response = response.communicate()
-  # output = response[0].decode('utf-8')
   error = response[1].decode('utf-8')
 
   # Error happend
@@ -99,23 +99,23 @@ def https(name, url):
   finally:
     logStatus(statusList[-1])
 
-def mysql(self, host, user, passwd, db):
-  pass
-  # TODO: Backend to check the mysql status needs to be implemented.
-  # print('MYSQL request start ...')
-  # db = mysql.connector.connect(
-  #   host='localhost',
-  #   user='openslx',
-  #   passwd='geheim',
-  #   database='openslx'
-  # )
-  # cursor = db.cursor()
-  # cursor.execute('SELECT * FROM user')
-  # result = cursor.fetchall()
-  # for user in result:
-  #   print(user[1])
-
-# Creates the thrift client and proceeds the get Organisations call. Server can either be SAT or MASTER 
+def tftp(name, host, port, filename):
+  print('TFTP request ' + host + ' ...', end='')
+  hostname = host + ':' + str(port)
+  try:
+    client = tftpy.TftpClient(host, port)
+    client.download(filename, 'tmp_tftp_file')
+    print('\033[92m' + 'success' + '\033[0m')
+    # Delete tmp tftp file
+    os.remove('tmp_tftp_file')
+    statusList.append(Status(name, hostname, 'success', 'Online', 'tftp', msg='File ' + filename + ' downloaded successfully.'))
+  except Exception as e:
+    print('\033[91m' + 'error' + '\033[0m')
+    statusList.append(Status(name, hostname, 'error', 'Offline', 'tftp', msg=str(e)))
+  finally:
+    logStatus(statusList[-1])
+  
+# Creates the thrift client and prwlp-pxe.ruf.uni-freiburg.de .ceeds the get Organisations call. Server can either be SAT or MASTER 
 def thrift(name, ip, port, server):
   host = ip + ':' + str(port)
   print('THRIFT request ' + host + ' ...', end='')
@@ -123,7 +123,6 @@ def thrift(name, ip, port, server):
 
   organisations = []
   # Different clients for SAT / Master is needed.
-  # TODO: TRY CATCH
   try:
     if server is 'SAT':
       satserver = make_client(bwlp_thrift.SatelliteServer, ip, port, trans_factory=TFramedTransportFactory())
@@ -139,11 +138,9 @@ def thrift(name, ip, port, server):
 
     statusList.append(Status(name, host, 'success', 'Online (' + str(len(organisationList)) + ')', 'thrift', msg=str(len(organisationList)) + " organizations",data=organisationList))
     print('\033[92m' + 'success' + '\033[0m')
-    #logStatus(statusList[-1])
   except ConnectionResetError:
     statusList.append(Status(name, host, 'error', 'Offline', 'thrift', msg="ConnectionResetError: [Errno 104] Connection reset by peer"))
     print('\033[91m' + 'error' + '\033[0m')
-    # statusList.append(Status(name, host, 'error', 'Offline', 'thrift', msg=str(e)))
   finally:
     logStatus(statusList[-1])
 
@@ -171,14 +168,11 @@ def writeLog():
 
 # Returns the most recent log object to a given status. None if there is none.
 def getLogEntry(status):
-  # for entry in reversed(logEntries):
-  #   if status.host == entry.host and status.service == entry.service: return entry
   return next((x for x in reversed(logEntries) if (x.host == status.host) and (x.service == status.service)), None)
 
 # Checks weather the status has to be logged or not. (Does the status has changes from the last time?)
 def logStatus(status):
   obj = getLogEntry(status)
-  # print(status.host + " " + status.service + " " + status.state)
   if (obj is None) or (status.state != obj.state):
     date = datetime.datetime.now().strftime('%Y-%m-%d %H:%M:%S')
     logEntries.append(LogEntry(date, status.service, status.state, status.host, status.msg, status.data))
@@ -200,6 +194,9 @@ thrift('Thrift MASTER', '132.230.4.16', 9091, 'MASTER')
 ping('BAS Ping', 'bas.intra.uni-freiburg.de')
 ping('yc', '127.0.0.2')
 ping('yx', '127.0.0.3')
+tftp('TFTP bwlp lpxelinux', 'bwlp-pxe.ruf.uni-freiburg.de', 69, 'lpxelinux.0')
+tftp('TFTP bas ipxe', 'bas.intra.uni-freiburg.de', 69, 'ipxe.0')
+tftp('TFTP bas fail test', 'bas.intra.uni-freiburg.de', 69, 'failtest.0')
 
 # Write the new logfile.
 writeLog()
-- 
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