# Description: haproxy netdata python.d module
# Author: l2isbad
-from base import UrlService
+from base import UrlService, SocketService
# default module values (can be overridden per job in `config`)
# update_every = 2
retries = 60
# charts order (can be overridden if you want less charts, or different order)
-ORDER = ['fbin', 'fbout', 'fscur', 'fqcur', 'bbin', 'bbout', 'bscur', 'bqcur']
+ORDER = ['fbin', 'fbout', 'fscur', 'fqcur', 'bbin', 'bbout', 'bscur', 'bqcur', 'health_sdown', 'health_bdown']
CHARTS = {
'fbin': {
- 'options': [None, "Kilobytes in", "kilobytes in/s", 'Frontend', 'f.bin', 'line'],
+ 'options': [None, "Kilobytes in", "kilobytes in/s", 'Frontend', 'haproxy_f.bin', 'line'],
'lines': [
]},
'fbout': {
- 'options': [None, "Kilobytes out", "kilobytes out/s", 'Frontend', 'f.bout', 'line'],
+ 'options': [None, "Kilobytes out", "kilobytes out/s", 'Frontend', 'haproxy_f.bout', 'line'],
'lines': [
]},
'fscur': {
- 'options': [None, "Sessions active", "sessions", 'Frontend', 'f.scur', 'line'],
+ 'options': [None, "Sessions active", "sessions", 'Frontend', 'haproxy_f.scur', 'line'],
'lines': [
]},
'fqcur': {
- 'options': [None, "Session in queue", "sessions", 'Frontend', 'f.qcur', 'line'],
+ 'options': [None, "Session in queue", "sessions", 'Frontend', 'haproxy_f.qcur', 'line'],
'lines': [
]},
'bbin': {
- 'options': [None, "Kilobytes in", "kilobytes in/s", 'Backend', 'b.bin', 'line'],
+ 'options': [None, "Kilobytes in", "kilobytes in/s", 'Backend', 'haproxy_b.bin', 'line'],
'lines': [
]},
'bbout': {
- 'options': [None, "Kilobytes out", "kilobytes out/s", 'Backend', 'b.bout', 'line'],
+ 'options': [None, "Kilobytes out", "kilobytes out/s", 'Backend', 'haproxy_b.bout', 'line'],
'lines': [
]},
'bscur': {
- 'options': [None, "Sessions active", "sessions", 'Backend', 'b.scur', 'line'],
+ 'options': [None, "Sessions active", "sessions", 'Backend', 'haproxy_b.scur', 'line'],
'lines': [
]},
'bqcur': {
- 'options': [None, "Sessions in queue", "sessions", 'Backend', 'b.qcur', 'line'],
+ 'options': [None, "Sessions in queue", "sessions", 'Backend', 'haproxy_b.qcur', 'line'],
+ 'lines': [
+ ]},
+ 'health_sdown': {
+ 'options': [None, "Number of servers in backend in DOWN state", "failed servers", 'Health', 'haproxy_hs.down', 'line'],
+ 'lines': [
+ ]},
+ 'health_bdown': {
+ 'options': [None, "Is backend alive? 1 = DOWN", "failed backend", 'Health', 'haproxy_hb.down', 'line'],
'lines': [
]}
}
-class Service(UrlService):
+class Service(UrlService, SocketService):
def __init__(self, configuration=None, name=None):
- UrlService.__init__(self, configuration=configuration, name=name)
- self.url = "http://127.0.0.1:7000/haproxy_stats;csv"
+ SocketService.__init__(self, configuration=configuration, name=name)
+ self.user = self.configuration.get('user')
+ self.password = self.configuration.get('pass')
+ self.request = 'show stat\n'
+ self.poll_method = (UrlService, SocketService)
self.order = ORDER
self.order_front = [_ for _ in ORDER if _.startswith('f')]
self.order_back = [_ for _ in ORDER if _.startswith('b')]
self.definitions = CHARTS
self.charts = True
+ def check(self):
+ if self.configuration.get('url'):
+ self.poll_method = self.poll_method[0]
+ url = self.configuration.get('url')
+ if not url.endswith(';csv;norefresh'):
+ self.error('Bad url(%s). Must be http://<ip.address>:<port>/<url>;csv;norefresh' % url)
+ return False
+ elif self.configuration.get('socket'):
+ self.poll_method = self.poll_method[1]
+ else:
+ self.error('No configuration is specified')
+ return False
+
+ if self.poll_method.check(self):
+ self.info('Plugin was started succesfully. We are using %s.' % self.poll_method.__name__)
+ return True
+
def create_charts(self, front_ends, back_ends):
for _ in range(len(front_ends)):
self.definitions['fbin']['lines'].append(['_'.join(['fbin', front_ends[_]['# pxname']]), front_ends[_]['# pxname'], 'incremental', 1, 1024])
self.definitions['bbout']['lines'].append(['_'.join(['bbout', back_ends[_]['# pxname']]), back_ends[_]['# pxname'], 'incremental', 1, 1024])
self.definitions['bscur']['lines'].append(['_'.join(['bscur', back_ends[_]['# pxname']]), back_ends[_]['# pxname'], 'absolute'])
self.definitions['bqcur']['lines'].append(['_'.join(['bqcur', back_ends[_]['# pxname']]), back_ends[_]['# pxname'], 'absolute'])
+ self.definitions['health_sdown']['lines'].append(['_'.join(['hsdown', back_ends[_]['# pxname']]), back_ends[_]['# pxname'], 'absolute'])
+ self.definitions['health_bdown']['lines'].append(['_'.join(['hbdown', back_ends[_]['# pxname']]), back_ends[_]['# pxname'], 'absolute'])
def _get_data(self):
"""
Format data received from http request
:return: dict
"""
- if self.url[-4:] != ';csv':
- self.url += ';csv'
- self.info('Url rewritten to %s' % self.url)
-
try:
- raw_data = self._get_raw_data().splitlines()
+ raw_data = self.poll_method._get_raw_data(self).splitlines()
except Exception as e:
self.error(str(e))
return None
all_instances = [dict(zip(raw_data[0].split(','), raw_data[_].split(','))) for _ in range(1, len(raw_data))]
- back_ends = [backend for backend in all_instances
- if backend['svname'] == 'BACKEND' and backend['# pxname'] != 'stats']
- front_ends = [frontend for frontend in all_instances
- if frontend['svname'] == 'FRONTEND' and frontend['# pxname'] != 'stats']
+ back_ends = list(filter(is_backend, all_instances))
+ front_ends = list(filter(is_frontend, all_instances))
+ servers = list(filter(is_server, all_instances))
if self.charts:
self.create_charts(front_ends, back_ends)
for _ in self.order_back:
to_netdata.update({'_'.join([_, backend['# pxname']]): int(backend[_[1:]]) if backend.get(_[1:]) else 0})
+ for _ in range(len(back_ends)):
+ to_netdata.update({'_'.join(['hsdown', back_ends[_]['# pxname']]):
+ len([server for server in servers if is_server_down(server, back_ends, _)])})
+ to_netdata.update({'_'.join(['hbdown', back_ends[_]['# pxname']]): 1 if is_backend_down(back_ends, _) else 0})
+
return to_netdata
+
+ def _check_raw_data(self, data):
+ """
+ Check if all data has been gathered from socket
+ :param data: str
+ :return: boolean
+ """
+ return not bool(data)
+
+def is_backend(backend):
+ try:
+ return backend['svname'] == 'BACKEND' and backend['# pxname'] != 'stats'
+ except Exception:
+ return False
+
+def is_frontend(frontend):
+ try:
+ return frontend['svname'] == 'FRONTEND' and frontend['# pxname'] != 'stats'
+ except Exception:
+ return False
+
+def is_server(server):
+ try:
+ return not server['svname'].startswith(('FRONTEND', 'BACKEND'))
+ except Exception:
+ return False
+
+def is_server_down(server, back_ends, _):
+ try:
+ return server['# pxname'] == back_ends[_]['# pxname'] and server['status'] == 'DOWN'
+ except Exception:
+ return False
+
+def is_backend_down(back_ends, _):
+ try:
+ return back_ends[_]['status'] == 'DOWN'
+ except Exception:
+ return False