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-rw-r--r--python.d/nginx_plus.chart.py491
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diff --git a/python.d/nginx_plus.chart.py b/python.d/nginx_plus.chart.py
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--- a/python.d/nginx_plus.chart.py
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@@ -1,491 +0,0 @@
-# -*- coding: utf-8 -*-
-# Description: nginx_plus netdata python.d module
-# Author: Ilya Mashchenko (l2isbad)
-
-import re
-
-from collections import defaultdict
-from copy import deepcopy
-from json import loads
-
-try:
- from collections import OrderedDict
-except ImportError:
- from third_party.ordereddict import OrderedDict
-
-from bases.FrameworkServices.UrlService import UrlService
-
-# default module values (can be overridden per job in `config`)
-update_every = 1
-priority = 60000
-retries = 60
-
-# charts order (can be overridden if you want less charts, or different order)
-ORDER = ['requests_total', 'requests_current',
- 'connections_statistics', 'connections_workers',
- 'ssl_handshakes', 'ssl_session_reuses', 'ssl_memory_usage',
- 'processes']
-
-CHARTS = {
- 'requests_total': {
- 'options': [None, 'Requests Total', 'requests/s',
- 'requests', 'nginx_plus.requests_total', 'line'],
- 'lines': [
- ['requests_total', 'total', 'incremental']
- ]},
- 'requests_current': {
- 'options': [None, 'Requests Current', 'requests',
- 'requests', 'nginx_plus.requests_current', 'line'],
- 'lines': [
- ['requests_current', 'current']
- ]},
- 'connections_statistics': {
- 'options': [None, 'Connections Statistics', 'connections/s',
- 'connections', 'nginx_plus.connections_statistics', 'stacked'],
- 'lines': [
- ['connections_accepted', 'accepted', 'incremental'],
- ['connections_dropped', 'dropped', 'incremental']
- ]},
- 'connections_workers': {
- 'options': [None, 'Workers Statistics', 'workers',
- 'connections', 'nginx_plus.connections_workers', 'stacked'],
- 'lines': [
- ['connections_idle', 'idle'],
- ['connections_active', 'active']
- ]},
- 'ssl_handshakes': {
- 'options': [None, 'SSL Handshakes', 'handshakes/s',
- 'ssl', 'nginx_plus.ssl_handshakes', 'stacked'],
- 'lines': [
- ['ssl_handshakes', 'successful', 'incremental'],
- ['ssl_handshakes_failed', 'failed', 'incremental']
- ]},
- 'ssl_session_reuses': {
- 'options': [None, 'Session Reuses', 'sessions/s',
- 'ssl', 'nginx_plus.ssl_session_reuses', 'line'],
- 'lines': [
- ['ssl_session_reuses', 'reused', 'incremental']
- ]},
- 'ssl_memory_usage': {
- 'options': [None, 'Memory Usage', '%',
- 'ssl', 'nginx_plus.ssl_memory_usage', 'area'],
- 'lines': [
- ['ssl_memory_usage', 'usage', 'absolute', 1, 100]
- ]},
- 'processes': {
- 'options': [None, 'Processes', 'processes',
- 'processes', 'nginx_plus.processes', 'line'],
- 'lines': [
- ['processes_respawned', 'respawned']
- ]}
-}
-
-
-def cache_charts(cache):
- family = 'cache {0}'.format(cache.real_name)
- charts = OrderedDict()
-
- charts['{0}_traffic'.format(cache.name)] = {
- 'options': [None, 'Traffic', 'KB', family,
- 'nginx_plus.cache_traffic', 'stacked'],
- 'lines': [
- ['_'.join([cache.name, 'hit_bytes']), 'served', 'absolute', 1, 1024],
- ['_'.join([cache.name, 'miss_bytes_written']), 'written', 'absolute', 1, 1024],
- ['_'.join([cache.name, 'miss_bytes']), 'bypass', 'absolute', 1, 1024]
- ]
- }
- charts['{0}_memory_usage'.format(cache.name)] = {
- 'options': [None, 'Memory Usage', '%', family,
- 'nginx_plus.cache_memory_usage', 'area'],
- 'lines': [
- ['_'.join([cache.name, 'memory_usage']), 'usage', 'absolute', 1, 100],
- ]
- }
- return charts
-
-
-def web_zone_charts(wz):
- charts = OrderedDict()
- family = 'web zone {name}'.format(name=wz.real_name)
-
- # Processing
- charts['zone_{name}_processing'.format(name=wz.name)] = {
- 'options': [None, 'Zone "{name}" Processing'.format(name=wz.name), 'requests', family,
- 'nginx_plus.web_zone_processing', 'line'],
- 'lines': [
- ['_'.join([wz.name, 'processing']), 'processing']
- ]
- }
- # Requests
- charts['zone_{name}_requests'.format(name=wz.name)] = {
- 'options': [None, 'Zone "{name}" Requests'.format(name=wz.name), 'requests/s', family,
- 'nginx_plus.web_zone_requests', 'line'],
- 'lines': [
- ['_'.join([wz.name, 'requests']), 'requests', 'incremental']
- ]
- }
- # Response Codes
- charts['zone_{name}_responses'.format(name=wz.name)] = {
- 'options': [None, 'Zone "{name}" Responses'.format(name=wz.name), 'requests/s', family,
- 'nginx_plus.web_zone_responses', 'stacked'],
- 'lines': [
- ['_'.join([wz.name, 'responses_2xx']), '2xx', 'incremental'],
- ['_'.join([wz.name, 'responses_5xx']), '5xx', 'incremental'],
- ['_'.join([wz.name, 'responses_3xx']), '3xx', 'incremental'],
- ['_'.join([wz.name, 'responses_4xx']), '4xx', 'incremental'],
- ['_'.join([wz.name, 'responses_1xx']), '1xx', 'incremental']
- ]
- }
- # Traffic
- charts['zone_{name}_net'.format(name=wz.name)] = {
- 'options': [None, 'Zone "{name}" Traffic'.format(name=wz.name), 'kilobits/s', family,
- 'nginx_plus.zone_net', 'area'],
- 'lines': [
- ['_'.join([wz.name, 'received']), 'received', 'incremental', 1, 1000],
- ['_'.join([wz.name, 'sent']), 'sent', 'incremental', -1, 1000]
- ]
- }
- return charts
-
-
-def web_upstream_charts(wu):
- def dimensions(value, a='absolute', m=1, d=1):
- dims = list()
- for p in wu:
- dims.append(['_'.join([wu.name, p.server, value]), p.real_server, a, m, d])
- return dims
-
- charts = OrderedDict()
- family = 'web upstream {name}'.format(name=wu.real_name)
-
- # Requests
- charts['web_upstream_{name}_requests'.format(name=wu.name)] = {
- 'options': [None, 'Peers Requests', 'requests/s', family,
- 'nginx_plus.web_upstream_requests', 'line'],
- 'lines': dimensions('requests', 'incremental')
- }
- # Responses Codes
- charts['web_upstream_{name}_all_responses'.format(name=wu.name)] = {
- 'options': [None, 'All Peers Responses', 'responses/s', family,
- 'nginx_plus.web_upstream_all_responses', 'stacked'],
- 'lines': [
- ['_'.join([wu.name, 'responses_2xx']), '2xx', 'incremental'],
- ['_'.join([wu.name, 'responses_5xx']), '5xx', 'incremental'],
- ['_'.join([wu.name, 'responses_3xx']), '3xx', 'incremental'],
- ['_'.join([wu.name, 'responses_4xx']), '4xx', 'incremental'],
- ['_'.join([wu.name, 'responses_1xx']), '1xx', 'incremental'],
- ]
- }
- for peer in wu:
- charts['web_upstream_{0}_{1}_responses'.format(wu.name, peer.id)] = {
- 'options': [None, 'Peer "{0}" Responses'.format(peer.real_server), 'responses/s', family,
- 'nginx_plus.web_upstream_peer_responses', 'stacked'],
- 'lines': [
- ['_'.join([wu.name, peer.server, 'responses_2xx']), '2xx', 'incremental'],
- ['_'.join([wu.name, peer.server, 'responses_5xx']), '5xx', 'incremental'],
- ['_'.join([wu.name, peer.server, 'responses_3xx']), '3xx', 'incremental'],
- ['_'.join([wu.name, peer.server, 'responses_4xx']), '4xx', 'incremental'],
- ['_'.join([wu.name, peer.server, 'responses_1xx']), '1xx', 'incremental']
- ]
- }
- # Connections
- charts['web_upstream_{name}_connections'.format(name=wu.name)] = {
- 'options': [None, 'Peers Connections', 'active', family,
- 'nginx_plus.web_upstream_connections', 'line'],
- 'lines': dimensions('active')
- }
- charts['web_upstream_{name}_connections_usage'.format(name=wu.name)] = {
- 'options': [None, 'Peers Connections Usage', '%', family,
- 'nginx_plus.web_upstream_connections_usage', 'line'],
- 'lines': dimensions('connections_usage', d=100)
- }
- # Traffic
- charts['web_upstream_{0}_all_net'.format(wu.name)] = {
- 'options': [None, 'All Peers Traffic', 'kilobits/s', family,
- 'nginx_plus.web_upstream_all_net', 'area'],
- 'lines': [
- ['{0}_received'.format(wu.name), 'received', 'incremental', 1, 1000],
- ['{0}_sent'.format(wu.name), 'sent', 'incremental', -1, 1000]
- ]
- }
- for peer in wu:
- charts['web_upstream_{0}_{1}_net'.format(wu.name, peer.id)] = {
- 'options': [None, 'Peer "{0}" Traffic'.format(peer.real_server), 'kilobits/s', family,
- 'nginx_plus.web_upstream_peer_traffic', 'area'],
- 'lines': [
- ['{0}_{1}_received'.format(wu.name, peer.server), 'received', 'incremental', 1, 1000],
- ['{0}_{1}_sent'.format(wu.name, peer.server), 'sent', 'incremental', -1, 1000]
- ]
- }
- # Response Time
- for peer in wu:
- charts['web_upstream_{0}_{1}_timings'.format(wu.name, peer.id)] = {
- 'options': [None, 'Peer "{0}" Timings'.format(peer.real_server), 'ms', family,
- 'nginx_plus.web_upstream_peer_timings', 'line'],
- 'lines': [
- ['_'.join([wu.name, peer.server, 'header_time']), 'header'],
- ['_'.join([wu.name, peer.server, 'response_time']), 'response']
- ]
- }
- # Memory Usage
- charts['web_upstream_{name}_memory_usage'.format(name=wu.name)] = {
- 'options': [None, 'Memory Usage', '%', family,
- 'nginx_plus.web_upstream_memory_usage', 'area'],
- 'lines': [
- ['_'.join([wu.name, 'memory_usage']), 'usage', 'absolute', 1, 100]
- ]
- }
- # State
- charts['web_upstream_{name}_status'.format(name=wu.name)] = {
- 'options': [None, 'Peers Status', 'state', family,
- 'nginx_plus.web_upstream_status', 'line'],
- 'lines': dimensions('state')
- }
- # Downtime
- charts['web_upstream_{name}_downtime'.format(name=wu.name)] = {
- 'options': [None, 'Peers Downtime', 'seconds', family,
- 'nginx_plus.web_upstream_peer_downtime', 'line'],
- 'lines': dimensions('downtime', d=1000)
- }
-
- return charts
-
-
-METRICS = dict(
- SERVER=[
- 'processes.respawned',
- 'connections.accepted',
- 'connections.dropped',
- 'connections.active',
- 'connections.idle',
- 'ssl.handshakes',
- 'ssl.handshakes_failed',
- 'ssl.session_reuses',
- 'requests.total',
- 'requests.current',
- 'slabs.SSL.pages.free',
- 'slabs.SSL.pages.used'
- ],
- WEB_ZONE=[
- 'processing',
- 'requests',
- 'responses.1xx',
- 'responses.2xx',
- 'responses.3xx',
- 'responses.4xx',
- 'responses.5xx',
- 'discarded',
- 'received',
- 'sent'
- ],
- WEB_UPSTREAM_PEER=[
- 'id',
- 'server',
- 'name',
- 'state',
- 'active',
- 'max_conns',
- 'requests',
- 'header_time', # alive only
- 'response_time', # alive only
- 'responses.1xx',
- 'responses.2xx',
- 'responses.3xx',
- 'responses.4xx',
- 'responses.5xx',
- 'sent',
- 'received',
- 'downtime'
- ],
- WEB_UPSTREAM_SUMMARY=[
- 'responses.1xx',
- 'responses.2xx',
- 'responses.3xx',
- 'responses.4xx',
- 'responses.5xx',
- 'sent',
- 'received'
- ],
- CACHE=[
- 'hit.bytes', # served
- 'miss.bytes_written', # written
- 'miss.bytes' # bypass
-
- ]
-)
-
-BAD_SYMBOLS = re.compile(r'[:/.-]+')
-
-
-class Cache:
- key = 'caches'
- charts = cache_charts
-
- def __init__(self, **kw):
- self.real_name = kw['name']
- self.name = BAD_SYMBOLS.sub('_', self.real_name)
-
- def memory_usage(self, data):
- used = data['slabs'][self.real_name]['pages']['used']
- free = data['slabs'][self.real_name]['pages']['free']
- return used / float(free + used) * 1e4
-
- def get_data(self, raw_data):
- zone_data = raw_data['caches'][self.real_name]
- data = parse_json(zone_data, METRICS['CACHE'])
- data['memory_usage'] = self.memory_usage(raw_data)
- return dict(('_'.join([self.name, k]), v) for k, v in data.items())
-
-
-class WebZone:
- key = 'server_zones'
- charts = web_zone_charts
-
- def __init__(self, **kw):
- self.real_name = kw['name']
- self.name = BAD_SYMBOLS.sub('_', self.real_name)
-
- def get_data(self, raw_data):
- zone_data = raw_data['server_zones'][self.real_name]
- data = parse_json(zone_data, METRICS['WEB_ZONE'])
- return dict(('_'.join([self.name, k]), v) for k, v in data.items())
-
-
-class WebUpstream:
- key = 'upstreams'
- charts = web_upstream_charts
-
- def __init__(self, **kw):
- self.real_name = kw['name']
- self.name = BAD_SYMBOLS.sub('_', self.real_name)
- self.peers = OrderedDict()
-
- peers = kw['response']['upstreams'][self.real_name]['peers']
- for peer in peers:
- self.add_peer(peer['id'], peer['server'])
-
- def __iter__(self):
- return iter(self.peers.values())
-
- def add_peer(self, idx, server):
- peer = WebUpstreamPeer(idx, server)
- self.peers[peer.real_server] = peer
- return peer
-
- def peers_stats(self, peers):
- data = dict()
- for peer in self.peers.values():
- if not peer.active:
- continue
- try:
- data.update(peer.get_data(peers[peer.id]))
- except KeyError:
- peer.active = False
- return data
-
- def memory_usage(self, data):
- used = data['slabs'][self.real_name]['pages']['used']
- free = data['slabs'][self.real_name]['pages']['free']
- return used / float(free + used) * 1e4
-
- def summary_stats(self, data):
- rv = defaultdict(int)
- for metric in METRICS['WEB_UPSTREAM_SUMMARY']:
- for peer in self.peers.values():
- if peer.active:
- metric = '_'.join(metric.split('.'))
- rv[metric] += data['_'.join([peer.server, metric])]
- return rv
-
- def get_data(self, raw_data):
- data = dict()
- peers = raw_data['upstreams'][self.real_name]['peers']
- data.update(self.peers_stats(peers))
- data.update(self.summary_stats(data))
- data['memory_usage'] = self.memory_usage(raw_data)
- return dict(('_'.join([self.name, k]), v) for k, v in data.items())
-
-
-class WebUpstreamPeer:
- def __init__(self, idx, server):
- self.id = idx
- self.real_server = server
- self.server = BAD_SYMBOLS.sub('_', self.real_server)
- self.active = True
-
- def get_data(self, raw):
- data = dict(header_time=0, response_time=0, max_conns=0)
- data.update(parse_json(raw, METRICS['WEB_UPSTREAM_PEER']))
- data['connections_usage'] = 0 if not data['max_conns'] else data['active'] / float(data['max_conns']) * 1e4
- data['state'] = int(data['state'] == 'up')
- return dict(('_'.join([self.server, k]), v) for k, v in data.items())
-
-
-class Service(UrlService):
- def __init__(self, configuration=None, name=None):
- UrlService.__init__(self, configuration=configuration, name=name)
- self.order = list(ORDER)
- self.definitions = deepcopy(CHARTS)
- self.objects = dict()
-
- def check(self):
- if not self.url:
- self.error('URL is not defined')
- return None
-
- self._manager = self._build_manager()
- if not self._manager:
- return None
-
- raw_data = self._get_raw_data()
- if not raw_data:
- return None
-
- try:
- response = loads(raw_data)
- except ValueError:
- return None
-
- for obj_cls in [WebZone, WebUpstream, Cache]:
- for obj_name in response.get(obj_cls.key, list()):
- obj = obj_cls(name=obj_name, response=response)
- self.objects[obj.real_name] = obj
- charts = obj_cls.charts(obj)
- for chart in charts:
- self.order.append(chart)
- self.definitions[chart] = charts[chart]
-
- return bool(self.objects)
-
- def _get_data(self):
- """
- Format data received from http request
- :return: dict
- """
- raw_data = self._get_raw_data()
- if not raw_data:
- return None
- response = loads(raw_data)
-
- data = parse_json(response, METRICS['SERVER'])
- data['ssl_memory_usage'] = data['slabs_SSL_pages_used'] / float(data['slabs_SSL_pages_free']) * 1e4
-
- for obj in self.objects.values():
- if obj.real_name in response[obj.key]:
- data.update(obj.get_data(response))
-
- return data
-
-
-def parse_json(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