python.d/phpfpm.chart.py

   1 # -*- coding: utf-8 -*-
   2 # Description: PHP-FPM netdata python.d module
   3 # Author: Pawel Krupa (paulfantom)
   4
   5 from base import UrlService
   6 import json
   7
   8 # default module values (can be overridden per job in `config`)
   9 # update_every = 2
  10 priority = 60000
  11 retries = 60
  12
  13 # default job configuration (overridden by python.d.plugin)
  14 # config = {'local': {
  15 #     'update_every': update_every,
  16 #     'retries': retries,
  17 #     'priority': priority,
  18 #     'url': 'http://localhost/status?full&json'
  19 # }}
  20
  21 # charts order (can be overridden if you want less charts, or different order)
  22 ORDER = ['connections', 'requests', 'performance', 'request_duration', 'request_cpu', 'request_mem']
  23
  24 CHARTS = {
  25     'connections': {
  26         'options': [None, 'PHP-FPM Active Connections', 'connections', 'active connections', 'phpfpm.connections', 'line'],
  27         'lines': [
  28             ["active"],
  29             ["maxActive", 'max active'],
  30             ["idle"]
  31         ]},
  32     'requests': {
  33         'options': [None, 'PHP-FPM Requests', 'requests/s', 'requests', 'phpfpm.requests', 'line'],
  34         'lines': [
  35             ["requests", None, "incremental"]
  36         ]},
  37     'performance': {
  38         'options': [None, 'PHP-FPM Performance', 'status', 'performance', 'phpfpm.performance', 'line'],
  39         'lines': [
  40             ["reached", 'max children reached'],
  41             ["slow", 'slow requests']
  42         ]},
  43     'request_duration': {
  44         'options': [None, 'PHP-FPM Request Duration', 'milliseconds', 'request duration', 'phpfpm.request_duration', 'line'],
  45         'lines': [
  46             ["maxReqDur", 'max request duration'],
  47             ["avgReqDur", 'average request duration']
  48         ]},
  49     'request_cpu': {
  50         'options': [None, 'PHP-FPM Request CPU', 'percent', 'request CPU', 'phpfpm.request_cpu', 'line'],
  51         'lines': [
  52             ["maxReqCPU", 'max request cpu'],
  53             ["avgReqCPU", 'average request cpu']
  54         ]},
  55     'request_mem': {
  56         'options': [None, 'PHP-FPM Request Memory', 'kilobytes', 'request memory', 'phpfpm.request_mem', 'line'],
  57         'lines': [
  58             ["maxReqMem", 'max request memory'],
  59             ["avgReqMem", 'average request memory']
  60         ]}
  61 }
  62
  63
  64 class Service(UrlService):
  65     def __init__(self, configuration=None, name=None):
  66         UrlService.__init__(self, configuration=configuration, name=name)
  67         if len(self.url) == 0:
  68             self.url = "http://localhost/status?full&json"
  69         self.order = ORDER
  70         self.definitions = CHARTS
  71         self.assignment = {"active processes": 'active',
  72                            "max active processes": 'maxActive',
  73                            "idle processes": 'idle',
  74                            "accepted conn": 'requests',
  75                            "max children reached": 'reached',
  76                            "slow requests": 'slow'}
  77         self.proc_assignment = {"request duration": 'ReqDur',
  78                                 "last request cpu": 'ReqCPU',
  79                                 "last request memory": 'ReqMem'}
  80
  81     def _get_data(self):
  82         """
  83         Format data received from http request
  84         :return: dict
  85         """
  86         try:
  87             raw = self._get_raw_data()
  88         except AttributeError:
  89             return None
  90
  91         if '?json' in self.url or '&json' in self.url:
  92             try:
  93                 raw_json = json.loads(raw)
  94             except ValueError:
  95                 return None
  96             data = {}
  97             for k,v in raw_json.items():
  98                 if k in self.assignment:
  99                     data[self.assignment[k]] = v
 100
 101             if '&full' in self.url or '?full' in self.url:
 102                 c = 0
 103                 sum_val = {}
 104                 for proc in raw_json['processes']:
 105                     if proc['state'] != 'Idle':
 106                         continue
 107                     c += 1
 108                     for k, v in self.proc_assignment.items():
 109                         d = proc[k]
 110                         if v == 'ReqDur':
 111                             d = d/1000
 112                         if v == 'ReqMem':
 113                             d = d/1024
 114                         if 'max' + v not in data or data['max' + v] < d:
 115                             data['max' + v] = d
 116                         if 'avg' + v not in sum_val:
 117                             sum_val['avg' + v] = 0
 118                             data['avg' + v] = 0
 119                         sum_val['avg' + v] += d
 120                 if len(sum_val):
 121                     for k, v in sum_val.items():
 122                         data[k] = v/c
 123
 124             if len(data) == 0:
 125                 return None
 126             return data
 127
 128         raw = raw.split('\n')
 129         data = {}
 130         for row in raw:
 131             tmp = row.split(":")
 132             if str(tmp[0]) in self.assignment:
 133                 try:
 134                     data[self.assignment[tmp[0]]] = int(tmp[1])
 135                 except (IndexError, ValueError):
 136                     pass
 137         if len(data) == 0:
 138             return None
 139         return data