netdata/python.d/litespeed.chart.py at master · devanthonyp/netdata · GitHub

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

# Description: litespeed netdata python.d module

# Author: Ilya Maschenko (l2isbad)

# SPDX-License-Identifier: GPL-3.0+

import glob

import re

import os

from collections import namedtuple

from bases.FrameworkServices.SimpleService import SimpleService

update_every = 10

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

ORDER = [

'net_throughput_http', 'net_throughput_https', # net throughput

'connections_http', 'connections_https', # connections

'requests', 'requests_processing', # requests

'pub_cache_hits', 'private_cache_hits', # cache

'static_hits' # static

]

CHARTS = {

'net_throughput_http': {

'options': [

None, 'Network Throughput HTTP', 'kilobits/s', 'net throughput', 'litespeed.net_throughput', 'area'],

'lines': [

["bps_in", "in", "absolute"],

["bps_out", "out", "absolute", -1]

]},

'net_throughput_https': {

'options': [

None, 'Network Throughput HTTPS', 'kilobits/s', 'net throughput', 'litespeed.net_throughput', 'area'],

'lines': [

["ssl_bps_in", "in", "absolute"],

["ssl_bps_out", "out", "absolute", -1]

]},

'connections_http': {

'options': [

None, 'Connections HTTP', 'conns', 'connections', 'litespeed.connections', 'stacked'],

'lines': [

["conn_free", "free", "absolute"],

["conn_used", "used", "absolute"]

]},

'connections_https': {

'options': [

None, 'Connections HTTPS', 'conns', 'connections', 'litespeed.connections', 'stacked'],

'lines': [

["ssl_conn_free", "free", "absolute"],

["ssl_conn_used", "used", "absolute"]

]},

'requests': {

'options': [None, 'Requests', 'requests/s', 'requests', 'litespeed.requests', 'line'],

'lines': [

["requests", None, "absolute", 1, 100]

]},

'requests_processing': {

'options': [None, 'Requests In Processing', 'requests', 'requests', 'litespeed.requests_processing', 'line'],

'lines': [

["requests_processing", "processing", "absolute"]

]},

'pub_cache_hits': {

'options': [None, 'Public Cache Hits', 'hits/s', 'cache', 'litespeed.cache', 'line'],

'lines': [

["pub_cache_hits", "hits", "absolute", 1, 100]

]},

'private_cache_hits': {

'options': [None, 'Private Cache Hits', 'hits/s', 'cache', 'litespeed.cache', 'line'],

'lines': [

["private_cache_hits", "hits", "absolute", 1, 100]

]},

'static_hits': {

'options': [None, 'Static Hits', 'hits/s', 'static', 'litespeed.static', 'line'],

'lines': [

["static_hits", "hits", "absolute", 1, 100]

]},

}

t = namedtuple("T", ["key", "id", "mul"])

T = [

t("BPS_IN", "bps_in", 8),

t("BPS_OUT", "bps_out", 8),

t("SSL_BPS_IN", "ssl_bps_in", 8),

t("SSL_BPS_OUT", "ssl_bps_out", 8),

t("REQ_PER_SEC", "requests", 100),

t("REQ_PROCESSING", "requests_processing", 1),

t("PUB_CACHE_HITS_PER_SEC", "pub_cache_hits", 100),

t("PRIVATE_CACHE_HITS_PER_SEC", "private_cache_hits", 100),

t("STATIC_HITS_PER_SEC", "static_hits", 100),

t("PLAINCONN", "conn_used", 1),

t("AVAILCONN", "conn_free", 1),

t("SSLCONN", "ssl_conn_used", 1),

t("AVAILSSL", "ssl_conn_free", 1),

]

RE = re.compile(r'([A-Z_]+): ([0-9.]+)')

ZERO_DATA = {

"bps_in": 0,

"bps_out": 0,

"ssl_bps_in": 0,

"ssl_bps_out": 0,

"requests": 0,

"requests_processing": 0,

"pub_cache_hits": 0,

"private_cache_hits": 0,

"static_hits": 0,

"conn_used": 0,

"conn_free": 0,

"ssl_conn_used": 0,

"ssl_conn_free": 0,

}

class Service(SimpleService):

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

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

self.order = ORDER

self.definitions = CHARTS

self.path = self.configuration.get('path', "/tmp/lshttpd/")

self.files = list()

def check(self):

if not self.path:

self.error('"path" not specified')

return False

fs = glob.glob(os.path.join(self.path, ".rtreport*"))

if not fs:

self.error('"{0}" has no "rtreport" files or dir is not readable'.format(self.path))

return None

self.debug("stats files:", fs)

for f in fs:

if not is_readable_file(f):

self.error("{0} is not readable".format(f))

continue

self.files.append(f)

return bool(self.files)

def get_data(self):

"""

Format data received from http request

:return: dict

"""

data = dict(ZERO_DATA)

for f in self.files:

try:

with open(f) as b:

lines = b.readlines()

except (OSError, IOError) as err:

self.error(err)

return None

else:

parse_file(data, lines)

return data

def parse_file(data, lines):

for line in lines:

if not line.startswith(("BPS_IN:", "MAXCONN:", "REQ_RATE []:")):

continue

m = dict(RE.findall(line))

for v in T:

if v.key in m:

data[v.id] += float(m[v.key]) * v.mul

def is_readable_file(v):

return os.path.isfile(v) and os.access(v, os.R_OK)

netdata/python.d/litespeed.chart.py at master · devanthonyp/netdata · GitHub

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