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# -*- coding: utf-8 -*-
# Description: monit netdata python.d module
# Author: Evgeniy K. (n0guest)
# SPDX-License-Identifier: GPL-3.0-or-later
import xml.etree.ElementTree as ET
from bases.FrameworkServices.UrlService import UrlService
# see enum State_Type from monit.h (https://bitbucket.org/tildeslash/monit/src/master/src/monit.h)
MONIT_SERVICE_NAMES = [
'Filesystem',
'Directory',
'File',
'Process',
'Host',
'System',
'Fifo',
'Program',
'Net',
]
DEFAULT_SERVICES_IDS = [0, 1, 2, 3, 4, 6, 7, 8]
# charts order (can be overridden if you want less charts, or different order)
ORDER = [
'filesystem',
'directory',
'file',
'process',
'process_uptime',
'process_threads',
'process_children',
'host',
'host_latency',
'system',
'fifo',
'program',
'net'
]
CHARTS = {
'filesystem': {
'options': ['filesystems', 'Filesystems', 'filesystems', 'filesystem', 'monit.filesystems', 'line'],
'lines': []
},
'directory': {
'options': ['directories', 'Directories', 'directories', 'filesystem', 'monit.directories', 'line'],
'lines': []
},
'file': {
'options': ['files', 'Files', 'files', 'filesystem', 'monit.files', 'line'],
'lines': []
},
'fifo': {
'options': ['fifos', 'Pipes (fifo)', 'pipes', 'filesystem', 'monit.fifos', 'line'],
'lines': []
},
'program': {
'options': ['programs', 'Programs statuses', 'programs', 'applications', 'monit.programs', 'line'],
'lines': []
},
'process': {
'options': ['processes', 'Processes statuses', 'processes', 'applications', 'monit.services', 'line'],
'lines': []
},
'process_uptime': {
'options': ['processes uptime', 'Processes uptime', 'seconds', 'applications',
'monit.process_uptime', 'line', 'hidden'],
'lines': []
},
'process_threads': {
'options': ['processes threads', 'Processes threads', 'threads', 'applications',
'monit.process_threads', 'line'],
'lines': []
},
'process_children': {
'options': ['processes childrens', 'Child processes', 'childrens', 'applications',
'monit.process_childrens', 'line'],
'lines': []
},
'host': {
'options': ['hosts', 'Hosts', 'hosts', 'network', 'monit.hosts', 'line'],
'lines': []
},
'host_latency': {
'options': ['hosts latency', 'Hosts latency', 'milliseconds/s', 'network', 'monit.host_latency', 'line'],
'lines': []
},
'net': {
'options': ['interfaces', 'Network interfaces and addresses', 'interfaces', 'network',
'monit.networks', 'line'],
'lines': []
},
}
class Service(UrlService):
def __init__(self, configuration=None, name=None):
UrlService.__init__(self, configuration=configuration, name=name)
self.order = ORDER
self.definitions = CHARTS
base_url = self.configuration.get('url', 'http://localhost:2812')
self.url = '{0}/_status?format=xml&level=full'.format(base_url)
def parse(self, data):
try:
xml = ET.fromstring(data)
except ET.ParseError:
self.error("URL {0} didn't return a vaild XML page. Please check your settings.".format(self.url))
return None
return xml
def check(self):
self._manager = self._build_manager()
raw_data = self._get_raw_data()
if not raw_data:
return None
return bool(self.parse(raw_data))
def _get_data(self):
raw_data = self._get_raw_data()
if not raw_data:
return None
xml = self.parse(raw_data)
if not xml:
return None
data = {}
for service_id in DEFAULT_SERVICES_IDS:
service_category = MONIT_SERVICE_NAMES[service_id].lower()
if service_category == 'system':
self.debug("Skipping service from 'System' category, because it's useless in graphs")
continue
xpath_query = "./service[@type='{0}']".format(service_id)
self.debug('Searching for {0} as {1}'.format(service_category, xpath_query))
for service_node in xml.findall(xpath_query):
service_name = service_node.find('name').text
service_status = service_node.find('status').text
service_monitoring = service_node.find('monitor').text
self.debug('=> found {0} with type={1}, status={2}, monitoring={3}'.format(service_name,
service_id, service_status, service_monitoring))
dimension_key = service_category + '_' + service_name
if dimension_key not in self.charts[service_category]:
self.charts[service_category].add_dimension([dimension_key, service_name, 'absolute'])
data[dimension_key] = 1 if service_status == '0' and service_monitoring == '1' else 0
if service_category == 'process':
for subnode in ('uptime', 'threads', 'children'):
subnode_value = service_node.find(subnode)
if subnode_value is None:
continue
if subnode == 'uptime' and int(subnode_value.text) < 0:
self.debug('Skipping bugged metrics with negative uptime (monit before v5.16')
continue
dimension_key = 'process_{0}_{1}'.format(subnode, service_name)
if dimension_key not in self.charts['process_' + subnode]:
self.charts['process_' + subnode].add_dimension([dimension_key, service_name, 'absolute'])
data[dimension_key] = int(subnode_value.text)
if service_category == 'host':
subnode_value = service_node.find('./icmp/responsetime')
if subnode_value is None:
continue
dimension_key = 'host_latency_{0}'.format(service_name)
if dimension_key not in self.charts['host_latency']:
self.charts['host_latency'].add_dimension([dimension_key, service_name,
'absolute', 1000, 1000000])
data[dimension_key] = float(subnode_value.text) * 1000000
return data or None
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