code optimizations

* memory optimization
* runtime reduction
* code cleanup

7 files changed, 358 insertions, 379 deletions

diff --git a/nextcloud_apps.py b/nextcloud_apps.py
index 69ab4ae..b398a1e 100755
--- a/nextcloud_apps.py
+++ b/nextcloud_apps.py
@@ -18,36 +18,29 @@ import os
 
 
 class NextcloudApps:
-	def config(self):
-		config = {
-			'apps': [
-				'graph_title Nextcloud available App updates',
-				'graph_args --base 1000 -l 0',
-				'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'
-			]
-		}
-
-		return config
-
-	def get_data(self, api_response):
-		data = {
-			'nextcloud_available_updates': []
-		}
-
+	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']
-			data['nextcloud_available_updates'].append('num_updates_available.value %s' % num_updates_available)
-
-		return data
+			self.result.append('num_updates_available.value %s' % num_updates_available)
 
 	def run(self):
 		# init request session with specific header and credentials
@@ -63,10 +56,11 @@ class NextcloudApps:
 
 		# if status code is successful continue
 		if r.status_code == 200:
-			result = self.get_data(r.json())
+			self.parse_data(r.json())
 
-			# for key in results print every entry in dict
-			[print('\n'.join(result[key])) for key in result.keys()]
+			# output results to stdout
+			for el in self.result:
+				print(el, file=sys.stdout)
 
 		elif r.status_code == 996:
 			print('server error')
@@ -82,10 +76,14 @@ class NextcloudApps:
 		if sys.argv.__len__() >= 2:
 			# check if first argument is config or autoconf if not fetch data
 			if sys.argv[1] == "config":
-				# for key in config().keys() print every entry in dict
-				[print('\n'.join(self.config()[key])) for key in self.config().keys()]
+				# 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')
diff --git a/nextcloud_dbsize.py b/nextcloud_dbsize.py
index b9377a7..f6cc4e1 100755
--- a/nextcloud_dbsize.py
+++ b/nextcloud_dbsize.py
@@ -18,32 +18,24 @@ import os
 
 
 class NextcloudDB:
-	def config(self):
-		config = {
-			'dbsize': [
-				'graph_title Nextcloud Database Size',
-				'graph_args --base 1024 -l 0',
-				'graph_vlabel size in byte',
-				'graph_info graph showing the database size in byte',
-				'graph_category nextcloud',
-				'db_size.label database size in byte',
-				'db_size.info users connected in the last 5 minutes',
-				'db_size.draw AREA',
-				'db_size.min 0'
-			]
-		}
-
-		return config
-
-	def get_data(self, api_response):
-		data = {
-			'nextcloud_dbsize': [],
-		}
-
+	def __init__(self):
+		self.config = [
+			# dbsize
+			'graph_title Nextcloud Database Size',
+			'graph_args --base 1024 -l 0',
+			'graph_vlabel size in byte',
+			'graph_info graph showing the database size in byte',
+			'graph_category nextcloud',
+			'db_size.label database size in byte',
+			'db_size.info users connected in the last 5 minutes',
+			'db_size.draw AREA',
+			'db_size.min 0'
+		]
+		self.result = list()
+
+	def parse_data(self, api_response):
 		dbsize = api_response['ocs']['data']['server']['database']['size']
-		data['nextcloud_dbsize'].append('db_size.value %s' % dbsize)
-
-		return data
+		self.result.append('db_size.value %s' % dbsize)
 
 	def run(self):
 		# init request session with specific header and credentials
@@ -59,10 +51,11 @@ class NextcloudDB:
 
 		# if status code is successful continue
 		if r.status_code == 200:
-			result = self.get_data(r.json())
+			self.parse_data(r.json())
 
-			# for key in results print every entry in dict
-			[print('\n'.join(result[key])) for key in result.keys()]
+			# output results to stdout
+			for el in self.result:
+				print(el, file=sys.stdout)
 
 		elif r.status_code == 996:
 			print('server error')
@@ -78,10 +71,14 @@ class NextcloudDB:
 		if sys.argv.__len__() >= 2:
 			# check if first argument is config or autoconf if not fetch data
 			if sys.argv[1] == "config":
-				# for key in config().keys() print every entry in dict
-				[print('\n'.join(self.config()[key])) for key in self.config().keys()]
+				# 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')
diff --git a/nextcloud_files.py b/nextcloud_files.py
index ee12d77..f56860a 100755
--- a/nextcloud_files.py
+++ b/nextcloud_files.py
@@ -18,32 +18,24 @@ import os
 
 
 class NextcloudStorage:
-	def config(self):
-		config = {
-			'filecount': [
-				'graph_title Nextcloud Files',
-				'graph_args --base 1000 -l 0',
-				'graph_vlabel number of files',
-				'graph_info graph showing the number of files',
-				'graph_category nextcloud',
-				'num_files.label number of files',
-				'num_files.info current number of files in the repository',
-				'num_files.min 0'
-			]
-		}
-
-		return config
-
-	def get_data(self, api_response):
-		data = {
-			'nextcloud_filecount': [],
-		}
-
-		# append the total number of files present
+	def __init__(self):
+		self.config = [
+			# filecount
+			'graph_title Nextcloud Files',
+			'graph_args --base 1000 -l 0',
+			'graph_printf %.0lf',
+			'graph_vlabel number of files',
+			'graph_info graph showing the number of files',
+			'graph_category nextcloud',
+			'num_files.label number of files',
+			'num_files.info current number of files in the repository',
+			'num_files.min 0'
+		]
+		self.result = list()
+
+	def parse_data(self, api_response):
 		num_files = api_response['ocs']['data']['nextcloud']['storage']['num_files']
-		data['nextcloud_filecount'].append('num_files.value %s' % num_files)
-
-		return data
+		self.result.append('num_files.value %s' % num_files)
 
 	def run(self):
 		# init request session with specific header and credentials
@@ -59,10 +51,11 @@ class NextcloudStorage:
 
 		# if status code is successful continue
 		if r.status_code == 200:
-			result = self.get_data(r.json())
+			self.parse_data(r.json())
 
-			# for key in results print every entry in dict
-			[print('\n'.join(result[key])) for key in result.keys()]
+			# output results to stdout
+			for el in self.result:
+				print(el, file=sys.stdout)
 
 		elif r.status_code == 996:
 			print('server error')
@@ -78,10 +71,14 @@ class NextcloudStorage:
 		if sys.argv.__len__() >= 2:
 			# check if first argument is config or autoconf if not fetch data
 			if sys.argv[1] == "config":
-				# for key in config().keys() print every entry in dict
-				[print('\n'.join(self.config()[key])) for key in self.config().keys()]
+				# 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')
diff --git a/nextcloud_multi.py b/nextcloud_multi.py
index a4c02d2..f40ec9b 100755
--- a/nextcloud_multi.py
+++ b/nextcloud_multi.py
@@ -22,157 +22,151 @@ import os
 
 
 class NextcloudMultiGraph:
-	def config(self):
-		config = {
-			'users': [
-				'multigraph nextcloud_users',
-				'graph_title Nextcloud User Activity',
-				'graph_args --base 1000 -l 0',
-				'graph_printf %.0lf',
-				'graph_vlabel connected users',
-				'graph_info graph showing the number of connected user',
-				'graph_category nextcloud',
-				'last5minutes.label last 5 minutes',
-				'last5minutes.info users connected in the last 5 minutes',
-				'last5minutes.min 0',
-				'last1hour.label last hour',
-				'last1hour.info users connected in the last hour',
-				'last1hour.min 0',
-				'last24hours.label last 24 hours',
-				'last24hours.info users connected in the last 24 hours',
-				'last24hours.min 0',
-				'num_users.label number of users',
-				'num_users.info total number of users',
-				'num_users.min 0'
-			],
-			'shares': [
-				'multigraph nextcloud_shares',
-				'graph_title Nextcloud Shares',
-				'graph_args --base 1000 -l 0',
-				'graph_vlabel number of shares',
-				'graph_info graph showing the number of shares',
-				'graph_category nextcloud',
-				'num_shares.label total number of shares',
-				'num_shares.info current over all total of shares',
-				'num_shares.min 0',
-				'num_shares_user.label user shares',
-				'num_shares_user.info current total of user shares',
-				'num_shares_user.min 0',
-				'num_shares_groups.label group shares',
-				'num_shares_groups.info current total of group shares',
-				'num_shares_groups.min 0',
-				'num_shares_link.label link shares',
-				'num_shares_link.info current total of shares through a link',
-				'num_shares_link.min 0',
-				'num_shares_mail.label mail shares',
-				'num_shares_mail.info current total of mail shares',
-				'num_shares_mail.min 0',
-				'num_shares_room.label room shares',
-				'num_shares_room.info current total of room shares',
-				'num_shares_room.min 0',
-				'num_shares_link_no_password.label link shares without a password',
-				'num_shares_link_no_password.info current total of shares through a link without a password protection',
-				'num_shares_link_no_password.min 0',
-				'num_fed_shares_sent.label federated shares sent',
-				'num_fed_shares_sent.info current total of federated shares sent',
-				'num_fed_shares_sent.min 0',
-				'num_fed_shares_received.label federated shares recieved',
-				'num_fed_shares_received.info current total of federated shares recieved',
-				'num_fed_shares_received.min 0'
-			],
-			'dbsize': [
-				'multigraph nextcloud_dbsize',
-				'graph_title Nextcloud Database Size',
-				'graph_args --base 1024 -l 0',
-				'graph_vlabel size in byte',
-				'graph_info graph showing the database size in byte',
-				'graph_category nextcloud',
-				'db_size.label database size in byte',
-				'db_size.info users connected in the last 5 minutes',
-				'db_size.draw AREA',
-				'db_size.min 0'
-			],
-			'available_updates': [
-				'multigraph nextcloud_available_updates',
-				'graph_title Nextcloud available App updates',
-				'graph_args --base 1000 -l 0',
-				'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'
-			],
-			'storages': [
-				'multigraph nextcloud_storages',
-				'graph_title Nextcloud Storages',
-				'graph_args --base 1000 -l 0',
-				'graph_vlabel number',
-				'graph_info graph showing the number of storages',
-				'graph_category nextcloud',
-				'num_storages.label total number of storages',
-				'num_storages.info current over all total of storages',
-				'num_storages.min 0',
-				'num_storages_local.label number of local storages',
-				'num_storages_local.info current over all total of storage',
-				'num_storages_local.min 0',
-				'num_storages_home.label number of home storages',
-				'num_storages_home.info current over all total of storage',
-				'num_storages_home.min 0',
-				'num_storages_other.label number of other storages',
-				'num_storages_other.info current over all total of storage',
-				'num_storages_other.min 0'
-			],
-			"filecount": [
-				'multigraph nextcloud_filecount',
-				'graph_title Nextcloud Files',
-				'graph_args --base 1000 -l 0',
-				'graph_vlabel number of files',
-				'graph_info graph showing the number of files',
-				'graph_category nextcloud',
-				'num_files.label number of files',
-				'num_files.info current number of files in the repository',
-				'num_files.min 0'
-			]
-		}
-
-		return config
-
-	def get_data(self, api_response):
-		data = {
-			'nextcloud_users': [],
-			'nextcloud_shares': [],
-			'nextcloud_dbsize': [],
-			'nextcloud_available_updates': [],
-			'nextcloud_storages': [],
-			'nextcloud_filecount': []
-		}
-
+	def __init__(self):
+		self.config = [
+			# users
+			'multigraph nextcloud_users',
+			'graph_title Nextcloud User Activity',
+			'graph_args --base 1000 -l 0',
+			'graph_printf %.0lf',
+			'graph_vlabel connected users',
+			'graph_info graph showing the number of connected user',
+			'graph_category nextcloud',
+			'last5minutes.label last 5 minutes',
+			'last5minutes.info users connected in the last 5 minutes',
+			'last5minutes.min 0',
+			'last1hour.label last hour',
+			'last1hour.info users connected in the last hour',
+			'last1hour.min 0',
+			'last24hours.label last 24 hours',
+			'last24hours.info users connected in the last 24 hours',
+			'last24hours.min 0',
+			'num_users.label number of users',
+			'num_users.info total number of users',
+			'num_users.min 0',
+
+			# shares
+			'multigraph nextcloud_shares',
+			'graph_title Nextcloud Shares',
+			'graph_args --base 1000 -l 0',
+			'graph_printf %.0lf',
+			'graph_vlabel number of shares',
+			'graph_info graph showing the number of shares',
+			'graph_category nextcloud',
+			'num_shares.label total number of shares',
+			'num_shares.info current over all total of shares',
+			'num_shares.min 0',
+			'num_shares_user.label user shares',
+			'num_shares_user.info current total of user shares',
+			'num_shares_user.min 0',
+			'num_shares_groups.label group shares',
+			'num_shares_groups.info current total of group shares',
+			'num_shares_groups.min 0',
+			'num_shares_link.label link shares',
+			'num_shares_link.info current total of shares through a link',
+			'num_shares_link.min 0',
+			'num_shares_mail.label mail shares',
+			'num_shares_mail.info current total of mail shares',
+			'num_shares_mail.min 0',
+			'num_shares_room.label room shares',
+			'num_shares_room.info current total of room shares',
+			'num_shares_room.min 0',
+			'num_shares_link_no_password.label link shares without a password',
+			'num_shares_link_no_password.info current total of shares through a link without a password protection',
+			'num_shares_link_no_password.min 0',
+			'num_fed_shares_sent.label federated shares sent',
+			'num_fed_shares_sent.info current total of federated shares sent',
+			'num_fed_shares_sent.min 0',
+			'num_fed_shares_received.label federated shares recieved',
+			'num_fed_shares_received.info current total of federated shares recieved',
+			'num_fed_shares_received.min 0',
+
+			# dbsize
+			'multigraph nextcloud_dbsize',
+			'graph_title Nextcloud Database Size',
+			'graph_args --base 1024 -l 0',
+			'graph_vlabel size in byte',
+			'graph_info graph showing the database size in byte',
+			'graph_category nextcloud',
+			'db_size.label database size in byte',
+			'db_size.info users connected in the last 5 minutes',
+			'db_size.draw AREA',
+			'db_size.min 0',
+
+			# available_updates
+			'multigraph nextcloud_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',
+
+			# storages
+			'multigraph nextcloud_storages',
+			'graph_title Nextcloud Storages',
+			'graph_args --base 1000 -l 0',
+			'graph_printf %.0lf',
+			'graph_vlabel number',
+			'graph_info graph showing the number of storages',
+			'graph_category nextcloud',
+			'num_storages.label total number of storages',
+			'num_storages.info current over all total of storages',
+			'num_storages.min 0',
+			'num_storages_local.label number of local storages',
+			'num_storages_local.info current over all total of storage',
+			'num_storages_local.min 0',
+			'num_storages_home.label number of home storages',
+			'num_storages_home.info current over all total of storage',
+			'num_storages_home.min 0',
+			'num_storages_other.label number of other storages',
+			'num_storages_other.info current over all total of storage',
+			'num_storages_other.min 0',
+
+			# filecount
+			'multigraph nextcloud_filecount',
+			'graph_title Nextcloud Files',
+			'graph_args --base 1000 -l 0',
+			'graph_printf %.0lf',
+			'graph_vlabel number of files',
+			'graph_info graph showing the number of files',
+			'graph_category nextcloud',
+			'num_files.label number of files',
+			'num_files.info current number of files in the repository',
+			'num_files.min 0'
+		]
+		self.result = list()
+
+	def parse_data(self, api_response):
 		# users
 		users = api_response['ocs']['data']['activeUsers']
 		num_users = api_response['ocs']['data']['nextcloud']['storage']['num_users']
-		data['nextcloud_users'].append('multigraph nextcloud_users')
+		self.result.append('multigraph nextcloud_users')
 
 		# append for every key in users the key and the value to the results
-		[data['nextcloud_users'].append(str(key) + ".value " + str(users[key]))
-			for key in users.keys()]
+		for key, value in users.items():
+			self.result.append('{k}.value {v}'.format(k=key, v=value))
 
 		# append total number of users
-		data['nextcloud_users'].append('num_users.value %s' % num_users)
+		self.result.append('num_users.value %s' % num_users)
 
 		# shares
 		shares = api_response['ocs']['data']['nextcloud']['shares']
-		data['nextcloud_shares'].append('multigraph nextcloud_shares')
+		self.result.append('multigraph nextcloud_shares')
 
 		# append for every key in shares the key and the value if the key starts with "num"
-		[data['nextcloud_shares'].append(str(key) + ".value " + str(shares[key]))
-			for key in shares if key.startswith('num')]
+		for key, value in shares.items():
+			if key.startswith('num'):
+				self.result.append('{k}.value {v}'.format(k=key, v=value))
 
 		# dbsize
 		dbsize = api_response['ocs']['data']['server']['database']['size']
-		data['nextcloud_dbsize'].append('multigraph nextcloud_dbsize')
-		data['nextcloud_dbsize'].append('db_size.value %s' % dbsize)
+		self.result.append('multigraph nextcloud_dbsize')
+		self.result.append('db_size.value %s' % dbsize)
 
 		# app updates
 		# precaution for Nextcloud versions prior to version 14
@@ -180,23 +174,22 @@ class NextcloudMultiGraph:
 
 		if int(version[0]) >= 14:
 			num_updates_available = api_response['ocs']['data']['nextcloud']['system']['apps']['num_updates_available']
-			data['nextcloud_available_updates'].append('multigraph nextcloud_available_updates')
-			data['nextcloud_available_updates'].append('num_updates_available.value %s' % num_updates_available)
+			self.result.append('multigraph nextcloud_available_updates')
+			self.result.append('num_updates_available.value %s' % num_updates_available)
 
 		# storage
 		storage = api_response['ocs']['data']['nextcloud']['storage']
-		data['nextcloud_storages'].append('multigraph nextcloud_storages')
+		self.result.append('multigraph nextcloud_storages')
 
 		# append for every key in storage the key and the value if the key starts with "num"
-		[data['nextcloud_storages'].append(str(key) + ".value " + str(storage[key]))
-			for key in storage if key.startswith('num_storages')]
+		for key, value in storage.items():
+			if key.startswith('num_storages'):
+				self.result.append('{k}.value {v}'.format(k=key, v=value))
 
 		# filecount
 		num_files = api_response['ocs']['data']['nextcloud']['storage']['num_files']
-		data['nextcloud_filecount'].append('multigraph nextcloud_filecount')
-		data['nextcloud_filecount'].append('num_files.value %s' % num_files)
-
-		return data
+		self.result.append('multigraph nextcloud_filecount')
+		self.result.append('num_files.value %s' % num_files)
 
 	def run(self):
 		# init request session with specific header and credentials
@@ -212,10 +205,11 @@ class NextcloudMultiGraph:
 
 		# if status code is successful continue
 		if r.status_code == 200:
-			result = self.get_data(r.json())
+			self.parse_data(r.json())
 
-			# for key in results print every entry in dict
-			[print('\n'.join(result[key])) for key in result.keys()]
+			# output results to stdout
+			for el in self.result:
+				print(el, file=sys.stdout)
 
 		elif r.status_code == 996:
 			print('server error')
@@ -231,10 +225,14 @@ class NextcloudMultiGraph:
 		if sys.argv.__len__() >= 2:
 			# check if first argument is config or autoconf if not fetch data
 			if sys.argv[1] == "config":
-				# for key in config().keys() print every entry in dict
-				[print('\n'.join(self.config()[key])) for key in self.config().keys()]
+				# 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')
diff --git a/nextcloud_shares.py b/nextcloud_shares.py
index 4c70d06..5bfa28f 100755
--- a/nextcloud_shares.py
+++ b/nextcloud_shares.py
@@ -18,60 +18,52 @@ import os
 
 
 class NextcloudShares:
-	def config(self):
-		config = {
-			'shares': [
-				'graph_title Nextcloud Shares',
-				'graph_args --base 1000 -l 0',
-				'graph_vlabel number of shares',
-				'graph_info graph showing the number of shares',
-				'graph_category nextcloud',
-				'num_shares.label total number of shares',
-				'num_shares.info current over all total of shares',
-				'num_shares.min 0',
-				'num_shares_user.label user shares',
-				'num_shares_user.info current total of user shares',
-				'num_shares_user.min 0',
-				'num_shares_groups.label group shares',
-				'num_shares_groups.info current total of group shares',
-				'num_shares_groups.min 0',
-				'num_shares_link.label link shares',
-				'num_shares_link.info current total of shares through a link',
-				'num_shares_link.min 0',
-				'num_shares_mail.label mail shares',
-				'num_shares_mail.info current total of mail shares',
-				'num_shares_mail.min 0',
-				'num_shares_room.label room shares',
-				'num_shares_room.info current total of room shares',
-				'num_shares_room.min 0',
-				'num_shares_link_no_password.label link shares without a password',
-				'num_shares_link_no_password.info current total of shares through a link without a password protection',
-				'num_shares_link_no_password.min 0',
-				'num_fed_shares_sent.label federated shares sent',
-				'num_fed_shares_sent.info current total of federated shares sent',
-				'num_fed_shares_sent.min 0',
-				'num_fed_shares_received.label federated shares recieved',
-				'num_fed_shares_received.info current total of federated shares recieved',
-				'num_fed_shares_received.min 0'
-			]
-		}
-
-		return config
-
-	def get_data(self, api_response):
-		data = {
-			'nextcloud_shares': [],
-		}
-
-		# shares
+	def __init__(self):
+		self.config = [
+			# shares
+			'graph_title Nextcloud Shares',
+			'graph_args --base 1000 -l 0',
+			'graph_printf %.0lf',
+			'graph_vlabel number of shares',
+			'graph_info graph showing the number of shares',
+			'graph_category nextcloud',
+			'num_shares.label total number of shares',
+			'num_shares.info current over all total of shares',
+			'num_shares.min 0',
+			'num_shares_user.label user shares',
+			'num_shares_user.info current total of user shares',
+			'num_shares_user.min 0',
+			'num_shares_groups.label group shares',
+			'num_shares_groups.info current total of group shares',
+			'num_shares_groups.min 0',
+			'num_shares_link.label link shares',
+			'num_shares_link.info current total of shares through a link',
+			'num_shares_link.min 0',
+			'num_shares_mail.label mail shares',
+			'num_shares_mail.info current total of mail shares',
+			'num_shares_mail.min 0',
+			'num_shares_room.label room shares',
+			'num_shares_room.info current total of room shares',
+			'num_shares_room.min 0',
+			'num_shares_link_no_password.label link shares without a password',
+			'num_shares_link_no_password.info current total of shares through a link without a password protection',
+			'num_shares_link_no_password.min 0',
+			'num_fed_shares_sent.label federated shares sent',
+			'num_fed_shares_sent.info current total of federated shares sent',
+			'num_fed_shares_sent.min 0',
+			'num_fed_shares_received.label federated shares recieved',
+			'num_fed_shares_received.info current total of federated shares recieved',
+			'num_fed_shares_received.min 0'
+		]
+		self.result = list()
+
+	def parse_data(self, api_response):
 		shares = api_response['ocs']['data']['nextcloud']['shares']
-		data['nextcloud_shares'].append('multigraph nextcloud_shares')
 
 		# append for every key in shares the key and the value if the key starts with "num"
-		[data['nextcloud_shares'].append(str(key) + ".value " + str(shares[key]))
-			for key in shares if key.startswith('num')]
-
-		return data
+		for key, value in shares.items():
+			if key.startswith('num'):
+				self.result.append('{k}.value {v}'.format(k=key, v=value))
 
 	def run(self):
 		# init request session with specific header and credentials
@@ -87,10 +79,11 @@ class NextcloudShares:
 
 		# if status code is successful continue
 		if r.status_code == 200:
-			result = self.get_data(r.json())
+			self.parse_data(r.json())
 
-			# for key in results print every entry in dict
-			[print('\n'.join(result[key])) for key in result.keys()]
+			# output results to stdout
+			for el in self.result:
+				print(el, file=sys.stdout)
 
 		elif r.status_code == 996:
 			print('server error')
@@ -106,10 +99,14 @@ class NextcloudShares:
 		if sys.argv.__len__() >= 2:
 			# check if first argument is config or autoconf if not fetch data
 			if sys.argv[1] == "config":
-				# for key in config().keys() print every entry in dict
-				[print('\n'.join(self.config()[key])) for key in self.config().keys()]
+				# 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')
diff --git a/nextcloud_storage.py b/nextcloud_storage.py
index ee3d7d2..7a2e86a 100755
--- a/nextcloud_storage.py
+++ b/nextcloud_storage.py
@@ -18,44 +18,37 @@ import os
 
 
 class NextcloudStorage:
-	def config(self):
-		config = {
-			'storage': [
-				'graph_title Nextcloud Storages',
-				'graph_args --base 1000 -l 0',
-				'graph_vlabel number of storage',
-				'graph_info graph showing the number of storages',
-				'graph_category nextcloud',
-				'num_storages.label total number of storages',
-				'num_storages.info current over all total of storages',
-				'num_storages.min 0',
-				'num_storages_local.label number of local storages',
-				'num_storages_local.info current over all total of storage',
-				'num_storages_local.min 0',
-				'num_storages_home.label number of home storages',
-				'num_storages_home.info current over all total of storage',
-				'num_storages_home.min 0',
-				'num_storages_other.label number of other storages',
-				'num_storages_other.info current over all total of storage',
-				'num_storages_other.min 0'
-			]
-		}
-
-		return config
-
-	def get_data(self, api_response):
-		data = {
-			'nextcloud_storages': [],
-		}
-
-		# storage
+	def __init__(self):
+		self.config = [
+			# storages
+			'graph_title Nextcloud Storages',
+			'graph_args --base 1000 -l 0',
+			'graph_printf %.0lf',
+			'graph_vlabel number',
+			'graph_info graph showing the number of storages',
+			'graph_category nextcloud',
+			'num_storages.label total number of storages',
+			'num_storages.info current over all total of storages',
+			'num_storages.min 0',
+			'num_storages_local.label number of local storages',
+			'num_storages_local.info current over all total of storage',
+			'num_storages_local.min 0',
+			'num_storages_home.label number of home storages',
+			'num_storages_home.info current over all total of storage',
+			'num_storages_home.min 0',
+			'num_storages_other.label number of other storages',
+			'num_storages_other.info current over all total of storage',
+			'num_storages_other.min 0'
+		]
+		self.result = list()
+
+	def parse_data(self, api_response):
 		storage = api_response['ocs']['data']['nextcloud']['storage']
 
 		# append for every key in storage the key and the value if the key starts with "num"
-		[data['nextcloud_storages'].append(str(key) + ".value " + str(storage[key]))
-			for key in storage if key.startswith('num_storages')]
-
-		return data
+		for key, value in storage.items():
+			if key.startswith('num_storages'):
+				self.result.append('{k}.value {v}'.format(k=key, v=value))
 
 	def run(self):
 		# init request session with specific header and credentials
@@ -71,10 +64,11 @@ class NextcloudStorage:
 
 		# if status code is successful continue
 		if r.status_code == 200:
-			result = self.get_data(r.json())
+			self.parse_data(r.json())
 
-			# for key in results print every entry in dict
-			[print('\n'.join(result[key])) for key in result.keys()]
+			# output results to stdout
+			for el in self.result:
+				print(el, file=sys.stdout)
 
 		elif r.status_code == 996:
 			print('server error')
@@ -90,10 +84,14 @@ class NextcloudStorage:
 		if sys.argv.__len__() >= 2:
 			# check if first argument is config or autoconf if not fetch data
 			if sys.argv[1] == "config":
-				# for key in config().keys() print every entry in dict
-				[print('\n'.join(self.config()[key])) for key in self.config().keys()]
+				# 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')
diff --git a/nextcloud_users.py b/nextcloud_users.py
index b2c651d..cfaae72 100755
--- a/nextcloud_users.py
+++ b/nextcloud_users.py
@@ -18,48 +18,37 @@ import os
 
 
 class NextcloudUsers:
-	def config(self):
-		config = {
-			'users': [
-				'graph_title Nextcloud User Activity',
-				'graph_args --base 1000 -l 0',
-				'graph_printf %.0lf',
-				'graph_vlabel connected users',
-				'graph_info graph showing the number of connected user',
-				'graph_category nextcloud',
-				'last5minutes.label last 5 minutes',
-				'last5minutes.info users connected in the last 5 minutes',
-				'last5minutes.min 0',
-				'last1hour.label last hour',
-				'last1hour.info users connected in the last hour',
-				'last1hour.min 0',
-				'last24hours.label last 24 hours',
-				'last24hours.info users connected in the last 24 hours',
-				'last24hours.min 0',
-				'num_users.label number of users',
-				'num_users.info total number of users',
-				'num_users.min 0'
-			]
-		}
-
-		return config
-
-	def get_data(self, api_response):
-		data = {
-			'nextcloud_users': [],
-		}
-		# users
+	def __init__(self):
+		self.config = [
+			# users
+			'graph_title Nextcloud User Activity',
+			'graph_args --base 1000 -l 0',
+			'graph_printf %.0lf',
+			'graph_vlabel connected users',
+			'graph_info graph showing the number of connected user',
+			'graph_category nextcloud',
+			'last5minutes.label last 5 minutes',
+			'last5minutes.info users connected in the last 5 minutes',
+			'last5minutes.min 0',
+			'last1hour.label last hour',
+			'last1hour.info users connected in the last hour',
+			'last1hour.min 0',
+			'last24hours.label last 24 hours',
+			'last24hours.info users connected in the last 24 hours',
+			'last24hours.min 0',
+			'num_users.label number of users',
+			'num_users.info total number of users',
+			'num_users.min 0'
+		]
+		self.result = list()
+
+	def parse_data(self, api_response):
 		users = api_response['ocs']['data']['activeUsers']
 		num_users = api_response['ocs']['data']['nextcloud']['storage']['num_users']
 
 		# append for every key in users the key and the value to the results
-		[data['nextcloud_users'].append(str(key) + ".value " + str(users[key]))
-			for key in users.keys()]
-
-		# append total number of users
-		data['nextcloud_users'].append('num_users.value %s' % num_users)
-
-		return data
+		for key, value in users.items():
+			self.result.append('{k}.value {v}'.format(k=key, v=value))
 
 	def run(self):
 		# init request session with specific header and credentials
@@ -75,10 +64,11 @@ class NextcloudUsers:
 
 		# if status code is successful continue
 		if r.status_code == 200:
-			result = self.get_data(r.json())
+			self.parse_data(r.json())
 
-			# for key in results print every entry in dict
-			[print('\n'.join(result[key])) for key in result.keys()]
+			# output results to stdout
+			for el in self.result:
+				print