added Multigraph, Licence

+ added ICS Licence to repo
+ added multiggraph plugin variant with all features included
+ added nextcloud 14 pending app updates plugin
* updated README.md
* updated requests.sessions handeling to reduce keepalive sessions
- removed keepalive header for all plugins

1 files changed, 70 insertions, 0 deletions

diff --git a/nextcloud_apps b/nextcloud_apps
new file mode 100755
index 0000000..574d932
--- /dev/null
+++ b/nextcloud_apps
@@ -0,0 +1,70 @@
+#!/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:
+	if (sys.argv.__len__() == 2) and (sys.argv[1] == "config"):
+		print('graph_title Nextcloud pending App updates')
+		print('graph_args --base 1024 -l 0')
+		print('graph_vlabel updates available')
+		print('graph_info graph showing the number of available app updates')
+		print('graph_category nextcloud')
+
+		print('num_updates_available.label available app updates')
+		print('num_updates_available.info number of available app updates')
+	elif (sys.argv.__len__() == 2) and (sys.argv[1] == 'autoconf'):
+		# check host if env variables are set
+		try:
+			if None not in {os.environ['url'], os.environ['username'], os.environ['password']}:
+				print('yes')
+		except KeyError:
+			print('no env configuration options are missing')
+	else:
+		# read the configuration from munin environment
+		URL = os.environ['url']
+		auth = (os.environ['username'], os.environ['password'])
+
+		# init requests session with specific header and credentials
+		with requests.Session() as s:
+			s.auth = auth
+			s.headers.update({'Accept': 'application/json'})
+			s.stream = False
+
+			# request data from api
+			r = s.get(URL)
+
+		# if status code is successful close connection and continue
+		if r.status_code == 200:
+			s.close()
+			api_response = r.json()
+			num_updates_available = api_response['ocs']['data']['nextcloud']['system']['apps']['num_updates_available']
+			print('num_updates_available.value %s' % num_updates_available)
+
+		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')
+
+
+if __name__ == "__main__":
+	NextcloudApps()
+	quit(0)