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-rw-r--r--collectors/python.d.plugin/phpfpm/phpfpm.chart.py174
1 files changed, 174 insertions, 0 deletions
diff --git a/collectors/python.d.plugin/phpfpm/phpfpm.chart.py b/collectors/python.d.plugin/phpfpm/phpfpm.chart.py
new file mode 100644
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--- /dev/null
+++ b/collectors/python.d.plugin/phpfpm/phpfpm.chart.py
@@ -0,0 +1,174 @@
+# -*- coding: utf-8 -*-
+# Description: PHP-FPM netdata python.d module
+# Author: Pawel Krupa (paulfantom)
+# Author: Ilya Mashchenko (ilyam8)
+# SPDX-License-Identifier: GPL-3.0-or-later
+
+import json
+import re
+
+from bases.FrameworkServices.UrlService import UrlService
+
+REGEX = re.compile(r'([a-z][a-z ]+): ([\d.]+)')
+
+POOL_INFO = [
+ ('active processes', 'active'),
+ ('max active processes', 'maxActive'),
+ ('idle processes', 'idle'),
+ ('accepted conn', 'requests'),
+ ('max children reached', 'reached'),
+ ('slow requests', 'slow')
+]
+
+PER_PROCESS_INFO = [
+ ('request duration', 'ReqDur'),
+ ('last request cpu', 'ReqCpu'),
+ ('last request memory', 'ReqMem')
+]
+
+
+def average(collection):
+ return sum(collection, 0.0) / max(len(collection), 1)
+
+
+CALC = [
+ ('min', min),
+ ('max', max),
+ ('avg', average)
+]
+
+ORDER = [
+ 'connections',
+ 'requests',
+ 'performance',
+ 'request_duration',
+ 'request_cpu',
+ 'request_mem',
+]
+
+CHARTS = {
+ 'connections': {
+ 'options': [None, 'PHP-FPM Active Connections', 'connections', 'active connections', 'phpfpm.connections',
+ 'line'],
+ 'lines': [
+ ['active'],
+ ['maxActive', 'max active'],
+ ['idle']
+ ]
+ },
+ 'requests': {
+ 'options': [None, 'PHP-FPM Requests', 'requests/s', 'requests', 'phpfpm.requests', 'line'],
+ 'lines': [
+ ['requests', None, 'incremental']
+ ]
+ },
+ 'performance': {
+ 'options': [None, 'PHP-FPM Performance', 'status', 'performance', 'phpfpm.performance', 'line'],
+ 'lines': [
+ ['reached', 'max children reached'],
+ ['slow', 'slow requests']
+ ]
+ },
+ 'request_duration': {
+ 'options': [None, 'PHP-FPM Requests Duration Among All Idle Processes', 'milliseconds', 'request duration',
+ 'phpfpm.request_duration',
+ 'line'],
+ 'lines': [
+ ['minReqDur', 'min', 'absolute', 1, 1000],
+ ['maxReqDur', 'max', 'absolute', 1, 1000],
+ ['avgReqDur', 'avg', 'absolute', 1, 1000]
+ ]
+ },
+ 'request_cpu': {
+ 'options': [None, 'PHP-FPM Last Request CPU Usage Among All Idle Processes', 'percentage', 'request CPU',
+ 'phpfpm.request_cpu', 'line'],
+ 'lines': [
+ ['minReqCpu', 'min'],
+ ['maxReqCpu', 'max'],
+ ['avgReqCpu', 'avg']
+ ]
+ },
+ 'request_mem': {
+ 'options': [None, 'PHP-FPM Last Request Memory Usage Among All Idle Processes', 'KB', 'request memory',
+ 'phpfpm.request_mem', 'line'],
+ 'lines': [
+ ['minReqMem', 'min', 'absolute', 1, 1024],
+ ['maxReqMem', 'max', 'absolute', 1, 1024],
+ ['avgReqMem', 'avg', 'absolute', 1, 1024]
+ ]
+ }
+}
+
+
+class Service(UrlService):
+ def __init__(self, configuration=None, name=None):
+ UrlService.__init__(self, configuration=configuration, name=name)
+ self.order = ORDER
+ self.definitions = CHARTS
+ self.url = self.configuration.get('url', 'http://localhost/status?full&json')
+ self.json = '&json' in self.url or '?json' in self.url
+ self.json_full = self.url.endswith(('?full&json', '?json&full'))
+ self.if_all_processes_running = dict(
+ [(c_name + p_name, 0) for c_name, func in CALC for metric, p_name in PER_PROCESS_INFO]
+ )
+
+ def _get_data(self):
+ """
+ Format data received from http request
+ :return: dict
+ """
+ raw = self._get_raw_data()
+ if not raw:
+ return None
+
+ raw_json = parse_raw_data_(is_json=self.json, raw_data=raw)
+
+ # Per Pool info: active connections, requests and performance charts
+ to_netdata = fetch_data_(raw_data=raw_json, metrics_list=POOL_INFO)
+
+ # Per Process Info: duration, cpu and memory charts (min, max, avg)
+ if self.json_full:
+ p_info = dict()
+ to_netdata.update(self.if_all_processes_running) # If all processes are in running state
+ # Metrics are always 0 if the process is not in Idle state because calculation is done
+ # when the request processing has terminated
+ for process in [p for p in raw_json['processes'] if p['state'] == 'Idle']:
+ p_info.update(fetch_data_(raw_data=process, metrics_list=PER_PROCESS_INFO, pid=str(process['pid'])))
+
+ if p_info:
+ for new_name in PER_PROCESS_INFO:
+ for name, func in CALC:
+ to_netdata[name + new_name[1]] = func([p_info[k] for k in p_info if new_name[1] in k])
+
+ return to_netdata or None
+
+
+def fetch_data_(raw_data, metrics_list, pid=''):
+ """
+ :param raw_data: dict
+ :param metrics_list: list
+ :param pid: str
+ :return: dict
+ """
+ result = dict()
+ for metric, new_name in metrics_list:
+ if metric in raw_data:
+ result[new_name + pid] = float(raw_data[metric])
+ return result
+
+
+def parse_raw_data_(is_json, raw_data):
+ """
+ :param is_json: bool
+ :param regex: compiled regular expr
+ :param raw_data: dict
+ :return: dict
+ """
+ if is_json:
+ try:
+ return json.loads(raw_data)
+ except ValueError:
+ return dict()
+ else:
+ raw_data = ' '.join(raw_data.split())
+ return dict(REGEX.findall(raw_data))