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phpfpm.chart.py

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# -*- coding: utf-8 -*-

# Description: PHP-FPM netdata python.d module

# Author: Pawel Krupa (paulfantom)

from base import UrlService

import json

# default module values (can be overridden per job in `config`)

# update_every = 2

priority = 60000

retries = 60

# default job configuration (overridden by python.d.plugin)

# config = {'local': {

# 'update_every': update_every,

# 'retries': retries,

# 'priority': priority,

# 'url': 'http://localhost/status?full&json'

# }}

# charts order (can be overridden if you want less charts, or different order)

ORDER = ['connections', 'requests', 'performance', 'request_duration', 'request_cpu', 'request_mem']

CHARTS = {

'connections': {

'options': [None, 'PHP-FPM Active Connections', 'connections', 'phpfpm', 'phpfpm.connections', 'line'],

'lines': [

["active"],

["maxActive", 'max active'],

["idle"]

]},

'requests': {

'options': [None, 'PHP-FPM Requests', 'requests/s', 'phpfpm', 'phpfpm.requests', 'line'],

'lines': [

["requests", None, "incremental"]

]},

'performance': {

'options': [None, 'PHP-FPM Performance', 'status', 'phpfpm', 'phpfpm.performance', 'line'],

'lines': [

["reached", 'max children reached'],

["slow", 'slow requests']

]},

'request_duration': {

'options': [None, 'PHP-FPM Request Duration', 'milliseconds', 'phpfpm', 'phpfpm.request_duration', 'line'],

'lines': [

["maxReqDur", 'max request duration'],

["avgReqDur", 'average request duration']

]},

'request_cpu': {

'options': [None, 'PHP-FPM Request CPU', 'percent', 'phpfpm', 'phpfpm.request_cpu', 'line'],

'lines': [

["maxReqCPU", 'max request cpu'],

["avgReqCPU", 'average request cpu']

]},

'request_mem': {

'options': [None, 'PHP-FPM Request Memory', 'kilobytes', 'phpfpm', 'phpfpm.request_mem', 'line'],

'lines': [

["maxReqMem", 'max request memory'],

["avgReqMem", 'average request memory']

]}

}

class Service(UrlService):

def __init__(self, configuration=None, name=None):

UrlService.__init__(self, configuration=configuration, name=name)

if len(self.url) == 0:

self.url = "http://localhost/status?full&json"

self.order = ORDER

self.definitions = CHARTS

self.assignment = {"active processes": 'active',

"max active processes": 'maxActive',

"idle processes": 'idle',

"accepted conn": 'requests',

"max children reached": 'reached',

"slow requests": 'slow'}

self.proc_assignment = {"request duration": 'ReqDur',

"last request cpu": 'ReqCPU',

"last request memory": 'ReqMem'}

def _get_data(self):

"""

Format data received from http request

:return: dict

"""

try:

raw = self._get_raw_data()

except AttributeError:

return None

if '?json' in self.url or '&json' in self.url:

try:

raw_json = json.loads(raw)

except ValueError:

return None

data = {self.assignment[k]: v for k, v in raw_json.items() if k in self.assignment}

if '&full' in self.url or '?full' in self.url:

c = 0

for proc in raw_json['processes']:

if proc['state'] != 'Idle':

continue

c += 1

for k, v in self.proc_assignment.items():

d = proc[k]

if v == 'ReqDur':

d = d/1000

if v == 'ReqMem':

d = d/1024

if 'max' + v not in data or data['max' + v] < d:

data['max' + v] = d

if 'avg' + v not in data:

data['avg' + v] = 0

data['avg' + v] = (data['avg' + v] + d) / c

if len(data) == 0:

return None

return data

raw = raw.split('\n')

data = {}

for row in raw:

tmp = row.split(":")

if str(tmp[0]) in self.assignment:

try:

data[self.assignment[tmp[0]]] = int(tmp[1])

except (IndexError, ValueError):

pass

if len(data) == 0:

return None

return data