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Nettoyage d'hiver

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Pierre-Elliott Bécue 2015-11-23 23:54:23 +01:00
parent 4279b3db23
commit bbcd49c88c
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72
impression/printer_watch.py
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#!/bin/bash /usr/scripts/python.sh
# -*- coding: utf-8 -*-
import netsnmp
from utils import sendmail
from time import time
import json
from md5 import md5
STATUS_FILE = "/usr/scripts/var/impression/printer_watch_status.json"
STATUS_MESSAGE_FILE = "/usr/scripts/var/impression/error_message"
PRINTER_HOST = "imprimante.adm.crans.org"
successfuly_imported = False
try:
with open(STATUS_FILE, "r") as to_load:
extracted_dict = json.load(to_load)
try:
last_status = extracted_dict[u"last_status"]
message_id = extracted_dict[u"message_id"]
successfuly_imported = True
except (KeyError, ValueError):
pass
except (IOError, ValueError, TypeError):
pass
# On check le statut de l'imprimante
status_id = netsnmp.Varbind("hrDeviceStatus.1")
status = netsnmp.snmpget(status_id, Version=1, DestHost=PRINTER_HOST, Community="public")
if status == ('5',) and (not successfuly_imported or successfuly_imported and (last_status == '2' or last_status == '3')):
"""
Cas 1: L'imprimante est down et soit elle était précédemment fonctionnelle ou son statut précédent est inconnu.
On envoie un mail pour signaler qu'elle est down.
"""
# On récolte la liste des erreurs dans cette branche
errors = netsnmp.snmpwalk(netsnmp.Varbind("mib-2.43.18.1.1.8.1"), Version=1, DestHost=PRINTER_HOST, Community="public")
errors_list = [error + '\n' for error in errors]
#On crée un joli message d'erreur contenant la liste des erreurs
msg = """ L'imprimante est actuellement hors service. Les erreurs suivantes se sont produites:
%s""" % ''.join(errors_list)
#On crée un Message-ID
message_id = md5(str(time())).hexdigest() + "@imprimante.adm.crans.org"
sendmail.sendmail(u"imprimante.adm@crans.org", u"impression@lists.crans.org", u"Imprimante hors service", msg, more_headers={"X-Mailer": "/usr/scripts/impression/printer_watch.py", "Message-ID": message_id})
elif (status == ('2',) or status == ('3',)) and successfuly_imported and last_status == '5':
"""
Cas 2: L'imprimante est fonctionnelle après une panne.
On envoi un mail pour signaler que ce n'est plus la peine de se déplacer.
"""
msg = " L'imprimante est de nouveau fonctionnelle \o/"
sendmail.sendmail(u"imprimante.adm@crans.org", u"impression@lists.crans.org", u"Imprimante fonctionnelle", msg, more_headers={"X-Mailer": "/usr/scripts/impression/printer_watch.py", "In-Reply-To": message_id})
message_id = None
elif successfuly_imported:
pass
else:
message_id = None
with open(STATUS_FILE, "w") as dump_file:
json.dump({u"last_status": status[0], u"message_id": message_id}, dump_file)
with open(STATUS_MESSAGE_FILE, 'w') as f:
if message_id:
f.write(message_id)