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#!/usr/bin/env python3
# -*- coding: utf-8 -*-
# Plugin to monitor the number of available nextcloud app updates
#
# Parameters understood:
# config (required)
# autoconf (optional - used by munin-config)
# Magic markers - optional - used by installation scripts and
# munin-config:
#
# #%# family=manual
# #%# capabilities=autoconf
import requests
import sys
import os
class NextcloudApps:
def __init__(self):
self.config = [
# available_updates
'graph_title Nextcloud available App updates',
'graph_args --base 1000 -l 0',
'graph_printf %.0lf',
'graph_vlabel updates available',
'graph_info graph showing the number of available app updates',
'graph_category nextcloud',
'num_updates_available.label available app updates',
'num_updates_available.info number of available app updates',
'num_updates_available.min 0',
'num_updates_available.warning 1'
]
self.result = list()
def parse_data(self, api_response):
# precaution for Nextcloud versions prior to version 14
version = api_response['ocs']['data']['nextcloud']['system']['version'].split(sep=".")
if int(version[0]) >= 14:
num_updates_available = api_response['ocs']['data']['nextcloud']['system']['apps']['num_updates_available']
self.result.append('num_updates_available.value %s' % num_updates_available)
def run(self):
# init request session with specific header and credentials
with requests.Session() as s:
# read credentials from env
s.auth = (os.environ.get('username'), os.environ.get('password'))
# update header for json
s.headers.update({'Accept': 'application/json'})
# request the data
r = s.get(os.environ.get('url'))
# if status code is successful continue
if r.status_code == 200:
self.parse_data(r.json())
# output results to stdout
for el in self.result:
print(el, file=sys.stdout)
elif r.status_code == 996:
print('server error')
elif r.status_code == 997:
print('not authorized')
elif r.status_code == 998:
print('not found')
else:
print('unknown error')
def main(self):
# check if any argument is given
if sys.argv.__len__() >= 2:
# check if first argument is config or autoconf if not fetch data
if sys.argv[1] == "config":
# output config list to stdout
for el in self.config:
print(el, file=sys.stdout)
# if DIRTYCONFIG true also return the corresponding values
if os.environ.get('MUNIN_CAP_DIRTYCONFIG') == '1':
self.run()
elif sys.argv[1] == 'autoconf':
if None in [os.environ.get('username'), os.environ.get('password')]:
print('env variables are missing')
else:
print('yes')
else:
self.run()
if __name__ == "__main__":
NextcloudApps().main()
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