summaryrefslogtreecommitdiffstats
path: root/collectors/python.d.plugin/rabbitmq/rabbitmq.chart.py
blob: d947121d6a3812ff31460bf88743edb93bb2d988 (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
182
183
184
185
# -*- coding: utf-8 -*-
# Description: rabbitmq netdata python.d module
# Author: ilyam8
# SPDX-License-Identifier: GPL-3.0-or-later

from json import loads

from bases.FrameworkServices.UrlService import UrlService

API_NODE = 'api/nodes'
API_OVERVIEW = 'api/overview'

NODE_STATS = [
    'fd_used',
    'mem_used',
    'sockets_used',
    'proc_used',
    'disk_free',
    'run_queue'
]

OVERVIEW_STATS = [
    'object_totals.channels',
    'object_totals.consumers',
    'object_totals.connections',
    'object_totals.queues',
    'object_totals.exchanges',
    'queue_totals.messages_ready',
    'queue_totals.messages_unacknowledged',
    'message_stats.ack',
    'message_stats.redeliver',
    'message_stats.deliver',
    'message_stats.publish'
]

ORDER = [
    'queued_messages',
    'message_rates',
    'global_counts',
    'file_descriptors',
    'socket_descriptors',
    'erlang_processes',
    'erlang_run_queue',
    'memory',
    'disk_space'
]

CHARTS = {
    'file_descriptors': {
        'options': [None, 'File Descriptors', 'descriptors', 'overview', 'rabbitmq.file_descriptors', 'line'],
        'lines': [
            ['fd_used', 'used', 'absolute']
        ]
    },
    'memory': {
        'options': [None, 'Memory', 'MiB', 'overview', 'rabbitmq.memory', 'area'],
        'lines': [
            ['mem_used', 'used', 'absolute', 1, 1 << 20]
        ]
    },
    'disk_space': {
        'options': [None, 'Disk Space', 'GiB', 'overview', 'rabbitmq.disk_space', 'area'],
        'lines': [
            ['disk_free', 'free', 'absolute', 1, 1 << 30]
        ]
    },
    'socket_descriptors': {
        'options': [None, 'Socket Descriptors', 'descriptors', 'overview', 'rabbitmq.sockets', 'line'],
        'lines': [
            ['sockets_used', 'used', 'absolute']
        ]
    },
    'erlang_processes': {
        'options': [None, 'Erlang Processes', 'processes', 'overview', 'rabbitmq.processes', 'line'],
        'lines': [
            ['proc_used', 'used', 'absolute']
        ]
    },
    'erlang_run_queue': {
        'options': [None, 'Erlang Run Queue', 'processes', 'overview', 'rabbitmq.erlang_run_queue', 'line'],
        'lines': [
            ['run_queue', 'length', 'absolute']
        ]
    },
    'global_counts': {
        'options': [None, 'Global Counts', 'counts', 'overview', 'rabbitmq.global_counts', 'line'],
        'lines': [
            ['object_totals_channels', 'channels', 'absolute'],
            ['object_totals_consumers', 'consumers', 'absolute'],
            ['object_totals_connections', 'connections', 'absolute'],
            ['object_totals_queues', 'queues', 'absolute'],
            ['object_totals_exchanges', 'exchanges', 'absolute']
        ]
    },
    'queued_messages': {
        'options': [None, 'Queued Messages', 'messages', 'overview', 'rabbitmq.queued_messages', 'stacked'],
        'lines': [
            ['queue_totals_messages_ready', 'ready', 'absolute'],
            ['queue_totals_messages_unacknowledged', 'unacknowledged', 'absolute']
        ]
    },
    'message_rates': {
        'options': [None, 'Message Rates', 'messages/s', 'overview', 'rabbitmq.message_rates', 'line'],
        'lines': [
            ['message_stats_ack', 'ack', 'incremental'],
            ['message_stats_redeliver', 'redeliver', 'incremental'],
            ['message_stats_deliver', 'deliver', 'incremental'],
            ['message_stats_publish', 'publish', 'incremental']
        ]
    }
}


class Service(UrlService):
    def __init__(self, configuration=None, name=None):
        UrlService.__init__(self, configuration=configuration, name=name)
        self.order = ORDER
        self.definitions = CHARTS
        self.url = '{0}://{1}:{2}'.format(
            configuration.get('scheme', 'http'),
            configuration.get('host', '127.0.0.1'),
            configuration.get('port', 15672),
        )
        self.node_name = str()

    def _get_data(self):
        data = dict()

        stats = self.get_overview_stats()

        if not stats:
            return None

        data.update(stats)

        stats = self.get_nodes_stats()

        if not stats:
            return None

        data.update(stats)

        return data or None

    def get_overview_stats(self):
        url = '{0}/{1}'.format(self.url, API_OVERVIEW)

        raw = self._get_raw_data(url)

        if not raw:
            return None

        data = loads(raw)

        self.node_name = data['node']

        return fetch_data(raw_data=data, metrics=OVERVIEW_STATS)

    def get_nodes_stats(self):
        url = '{0}/{1}/{2}'.format(self.url, API_NODE, self.node_name)

        raw = self._get_raw_data(url)

        if not raw:
            return None

        data = loads(raw)

        return fetch_data(raw_data=data, metrics=NODE_STATS)


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