1 # -*- coding: utf-8 -*-
2 # Description: haproxy netdata python.d module
5 from base import UrlService
7 # default module values (can be overridden per job in `config`)
12 # charts order (can be overridden if you want less charts, or different order)
13 ORDER = ['fbin', 'fbout', 'fscur', 'fqcur', 'bbin', 'bbout', 'bscur', 'bqcur', 'health_down']
16 'options': [None, "Kilobytes in", "kilobytes in/s", 'Frontend', 'f.bin', 'line'],
20 'options': [None, "Kilobytes out", "kilobytes out/s", 'Frontend', 'f.bout', 'line'],
24 'options': [None, "Sessions active", "sessions", 'Frontend', 'f.scur', 'line'],
28 'options': [None, "Session in queue", "sessions", 'Frontend', 'f.qcur', 'line'],
32 'options': [None, "Kilobytes in", "kilobytes in/s", 'Backend', 'b.bin', 'line'],
36 'options': [None, "Kilobytes out", "kilobytes out/s", 'Backend', 'b.bout', 'line'],
40 'options': [None, "Sessions active", "sessions", 'Backend', 'b.scur', 'line'],
44 'options': [None, "Sessions in queue", "sessions", 'Backend', 'b.qcur', 'line'],
48 'options': [None, "Servers in DOWN state", "servers", 'Health', 'h.down', 'line'],
54 class Service(UrlService):
55 def __init__(self, configuration=None, name=None):
56 UrlService.__init__(self, configuration=configuration, name=name)
57 self.url = "http://127.0.0.1:7000/haproxy_stats;csv"
59 self.order_front = [_ for _ in ORDER if _.startswith('f')]
60 self.order_back = [_ for _ in ORDER if _.startswith('b')]
61 self.definitions = CHARTS
64 def create_charts(self, front_ends, back_ends):
65 for _ in range(len(front_ends)):
66 self.definitions['fbin']['lines'].append(['_'.join(['fbin', front_ends[_]['# pxname']]), front_ends[_]['# pxname'], 'incremental', 1, 1024])
67 self.definitions['fbout']['lines'].append(['_'.join(['fbout', front_ends[_]['# pxname']]), front_ends[_]['# pxname'], 'incremental', 1, 1024])
68 self.definitions['fscur']['lines'].append(['_'.join(['fscur', front_ends[_]['# pxname']]), front_ends[_]['# pxname'], 'absolute'])
69 self.definitions['fqcur']['lines'].append(['_'.join(['fqcur', front_ends[_]['# pxname']]), front_ends[_]['# pxname'], 'absolute'])
71 for _ in range(len(back_ends)):
72 self.definitions['bbin']['lines'].append(['_'.join(['bbin', back_ends[_]['# pxname']]), back_ends[_]['# pxname'], 'incremental', 1, 1024])
73 self.definitions['bbout']['lines'].append(['_'.join(['bbout', back_ends[_]['# pxname']]), back_ends[_]['# pxname'], 'incremental', 1, 1024])
74 self.definitions['bscur']['lines'].append(['_'.join(['bscur', back_ends[_]['# pxname']]), back_ends[_]['# pxname'], 'absolute'])
75 self.definitions['bqcur']['lines'].append(['_'.join(['bqcur', back_ends[_]['# pxname']]), back_ends[_]['# pxname'], 'absolute'])
76 self.definitions['health_down']['lines'].append(['_'.join(['hdown', back_ends[_]['# pxname']]), back_ends[_]['# pxname'], 'absolute'])
80 Format data received from http request
83 if self.url[-4:] != ';csv':
85 self.info('Url rewritten to %s' % self.url)
88 raw_data = self._get_raw_data().splitlines()
89 except Exception as e:
93 all_instances = [dict(zip(raw_data[0].split(','), raw_data[_].split(','))) for _ in range(1, len(raw_data))]
95 back_ends = list(filter(is_backend, all_instances))
96 front_ends = list(filter(is_frontend, all_instances))
97 servers = list(filter(is_server, all_instances))
100 self.create_charts(front_ends, back_ends)
105 for frontend in front_ends:
106 for _ in self.order_front:
107 to_netdata.update({'_'.join([_, frontend['# pxname']]): int(frontend[_[1:]]) if frontend.get(_[1:]) else 0})
109 for backend in back_ends:
110 for _ in self.order_back:
111 to_netdata.update({'_'.join([_, backend['# pxname']]): int(backend[_[1:]]) if backend.get(_[1:]) else 0})
113 for _ in range(len(back_ends)):
114 to_netdata.update({'_'.join(['hdown', back_ends[_]['# pxname']]):
115 len([server for server in servers if is_server_down(server, back_ends, _)])})
119 def is_backend(backend):
120 return backend['svname'] == 'BACKEND' and backend['# pxname'] != 'stats'
122 def is_frontend(frontend):
123 return frontend['svname'] == 'FRONTEND' and frontend['# pxname'] != 'stats'
125 def is_server(server):
126 return not server['svname'].startswith(('FRONTEND', 'BACKEND'))
128 def is_server_down(server, back_ends, _):
129 return server['# pxname'] == back_ends[_]['# pxname'] and server['status'] != 'UP'