summaryrefslogtreecommitdiffstats
path: root/python.d/traefik.chart.py
blob: f7c3e223b3cb75c525c82c3545db0f95e9eaf9ef (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
# -*- 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