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Diffstat (limited to 'python.d/haproxy.chart.py')
| -rw-r--r-- | python.d/haproxy.chart.py | 177 |
1 files changed, 177 insertions, 0 deletions
diff --git a/python.d/haproxy.chart.py b/python.d/haproxy.chart.py new file mode 100644 index 00000000..2fb97d75 --- /dev/null +++ b/python.d/haproxy.chart.py @@ -0,0 +1,177 @@ +# -*- coding: utf-8 -*- +# Description: haproxy netdata python.d module +# Author: l2isbad + +from base import UrlService, SocketService + +# default module values (can be overridden per job in `config`) +# update_every = 2 +priority = 60000 +retries = 60 + +# charts order (can be overridden if you want less charts, or different order) +ORDER = ['fbin', 'fbout', 'fscur', 'fqcur', 'bbin', 'bbout', 'bscur', 'bqcur', 'health_sdown', 'health_bdown'] +CHARTS = { + 'fbin': { + 'options': [None, "Kilobytes in", "kilobytes in/s", 'Frontend', 'haproxy_f.bin', 'line'], + 'lines': [ + ]}, + 'fbout': { + 'options': [None, "Kilobytes out", "kilobytes out/s", 'Frontend', 'haproxy_f.bout', 'line'], + 'lines': [ + ]}, + 'fscur': { + 'options': [None, "Sessions active", "sessions", 'Frontend', 'haproxy_f.scur', 'line'], + 'lines': [ + ]}, + 'fqcur': { + 'options': [None, "Session in queue", "sessions", 'Frontend', 'haproxy_f.qcur', 'line'], + 'lines': [ + ]}, + 'bbin': { + 'options': [None, "Kilobytes in", "kilobytes in/s", 'Backend', 'haproxy_b.bin', 'line'], + 'lines': [ + ]}, + 'bbout': { + 'options': [None, "Kilobytes out", "kilobytes out/s", 'Backend', 'haproxy_b.bout', 'line'], + 'lines': [ + ]}, + 'bscur': { + 'options': [None, "Sessions active", "sessions", 'Backend', 'haproxy_b.scur', 'line'], + 'lines': [ + ]}, + 'bqcur': { + '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, SocketService): + def __init__(self, configuration=None, name=None): + 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['fbout']['lines'].append(['_'.join(['fbout', front_ends[_]['# pxname']]), front_ends[_]['# pxname'], 'incremental', 1, 1024]) + self.definitions['fscur']['lines'].append(['_'.join(['fscur', front_ends[_]['# pxname']]), front_ends[_]['# pxname'], 'absolute']) + self.definitions['fqcur']['lines'].append(['_'.join(['fqcur', front_ends[_]['# pxname']]), front_ends[_]['# pxname'], 'absolute']) + + for _ in range(len(back_ends)): + self.definitions['bbin']['lines'].append(['_'.join(['bbin', back_ends[_]['# pxname']]), back_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 + """ + try: + 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 = 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) + self.charts = False + + to_netdata = dict() + + for frontend in front_ends: + for _ in self.order_front: + to_netdata.update({'_'.join([_, frontend['# pxname']]): int(frontend[_[1:]]) if frontend.get(_[1:]) else 0}) + + for backend in 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 |