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# -*- coding: utf-8 -*-
# Description: traefik netdata python.d module
# Author: Alexandre Menezes (@ale_menezes)
from json import loads
from collections import defaultdict
from bases.FrameworkServices.UrlService import UrlService
# default module values (can be overridden per job in `config`)
update_every = 1
priority = 60000
retries = 10
# charts order (can be overridden if you want less charts, or different order)
ORDER = [
'response_statuses',
'response_codes',
'detailed_response_codes',
'requests',
'total_response_time',
'average_response_time',
'average_response_time_per_iteration',
'uptime'
]
CHARTS = {
'response_statuses': {
'options': [None, 'Response statuses', 'requests/s', 'responses', 'traefik.response_statuses', 'stacked'],
'lines': [
['successful_requests', 'success', 'incremental'],
['server_errors', 'error', 'incremental'],
['redirects', 'redirect', 'incremental'],
['bad_requests', 'bad', 'incremental'],
['other_requests', 'other', 'incremental']
]},
'response_codes': {
'options': [None, 'Responses by codes', 'requests/s', 'responses', 'traefik.response_codes', 'stacked'],
'lines': [
['2xx', None, 'incremental'],
['5xx', None, 'incremental'],
['3xx', None, 'incremental'],
['4xx', None, 'incremental'],
['1xx', None, 'incremental'],
['other', None, 'incremental']
]},
'detailed_response_codes': {
'options': [None, 'Detailed response codes', 'requests/s', 'responses', 'traefik.detailed_response_codes', 'stacked'],
'lines': [
]},
'requests': {
'options': [None, 'Requests', 'requests/s', 'requests', 'traefik.requests', 'line'],
'lines': [
['total_count', 'requests', 'incremental']
]},
'total_response_time': {
'options': [None, 'Total response time', 'seconds', 'timings', 'traefik.total_response_time', 'line'],
'lines': [
['total_response_time_sec', 'response', 'absolute', 1, 10000]
]},
'average_response_time': {
'options': [None, 'Average response time', 'milliseconds', 'timings', 'traefik.average_response_time', 'line'],
'lines': [
['average_response_time_sec', 'response', 'absolute', 1, 1000]
]},
'average_response_time_per_iteration': {
'options': [None, 'Average response time per iteration', 'milliseconds', 'timings', 'traefik.average_response_time_per_iteration', 'line'],
'lines': [
['average_response_time_per_iteration_sec', 'response', 'incremental', 1, 10000]
]},
'uptime': {
'options': [None, 'Uptime', 'seconds', 'uptime', 'traefik.uptime', 'line'],
'lines': [
['uptime_sec', 'uptime', 'absolute']
]}
}
HEALTH_STATS = [
'uptime_sec',
'average_response_time_sec',
'total_response_time_sec',
'total_count',
'total_status_code_count'
]
class Service(UrlService):
def __init__(self, configuration=None, name=None):
UrlService.__init__(self, configuration=configuration, name=name)
self.url = self.configuration.get('url', 'http://localhost:8080/health')
self.order = ORDER
self.definitions = CHARTS
self.data = {
'successful_requests': 0, 'redirects': 0, 'bad_requests': 0,
'server_errors': 0, 'other_requests': 0, '1xx': 0, '2xx': 0,
'3xx': 0, '4xx': 0, '5xx': 0, 'other': 0,
'average_response_time_per_iteration_sec': 0
}
self.last_total_response_time = 0
self.last_total_count = 0
def _get_data(self):
data = self._get_raw_data()
if not data:
return None
data = loads(data)
self.get_data_per_code_status(raw_data=data)
self.get_data_per_code_family(raw_data=data)
self.get_data_per_code(raw_data=data)
self.data.update(fetch_data_(raw_data=data, metrics=HEALTH_STATS))
self.data['average_response_time_sec'] *= 1000000
self.data['total_response_time_sec'] *= 10000
if data['total_count'] != self.last_total_count:
self.data['average_response_time_per_iteration_sec'] = (data['total_response_time_sec'] - self.last_total_response_time) * 1000000 / (data['total_count'] - self.last_total_count)
else:
self.data['average_response_time_per_iteration_sec'] = 0
self.last_total_response_time = data['total_response_time_sec']
self.last_total_count = data['total_count']
return self.data or None
def get_data_per_code_status(self, raw_data):
data = defaultdict(int)
for code, value in raw_data['total_status_code_count'].items():
code_prefix = code[0]
if code_prefix == '1' or code_prefix == '2' or code == '304':
data['successful_requests'] += value
elif code_prefix == '3':
data['redirects'] += value
elif code_prefix == '4':
data['bad_requests'] += value
elif code_prefix == '5':
data['server_errors'] += value
else:
data['other_requests'] += value
self.data.update(data)
def get_data_per_code_family(self, raw_data):
data = defaultdict(int)
for code, value in raw_data['total_status_code_count'].items():
code_prefix = code[0]
if code_prefix == '1':
data['1xx'] += value
elif code_prefix == '2':
data['2xx'] += value
elif code_prefix == '3':
data['3xx'] += value
elif code_prefix == '4':
data['4xx'] += value
elif code_prefix == '5':
data['5xx'] += value
else:
data['other'] += value
self.data.update(data)
def get_data_per_code(self, raw_data):
for code, value in raw_data['total_status_code_count'].items():
if self.charts:
if code not in self.data:
self.charts['detailed_response_codes'].add_dimension([code, code, 'incremental'])
self.data[code] = value
def fetch_data_(raw_data, metrics):
data = dict()
for metric in metrics:
value = raw_data
metrics_list = metric.split('.')
try:
for m in metrics_list:
value = value[m]
except KeyError:
continue
data['_'.join(metrics_list)] = value
return data
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