netdata/python.d/tomcat.chart.py at master · PlumpMath/netdata · GitHub

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

# Description: tomcat netdata python.d module

# Author: Pawel Krupa (paulfantom)

from base import UrlService

from re import compile

try:

from urlparse import urlparse

except ImportError:

from urllib.parse import urlparse

# 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 = ['accesses', 'volume', 'threads', 'jvm']

CHARTS = {

'accesses': {

'options': [None, "Requests", "requests/s", "statistics", "tomcat.accesses", "area"],

'lines': [

["requestCount", 'accesses', 'incremental']

]},

'volume': {

'options': [None, "Volume", "KB/s", "volume", "tomcat.volume", "area"],

'lines': [

["bytesSent", 'volume', 'incremental', 1, 1024]

]},

'threads': {

'options': [None, "Threads", "current threads", "statistics", "tomcat.threads", "line"],

'lines': [

["currentThreadCount", 'current', "absolute"],

["currentThreadsBusy", 'busy', "absolute"]

]},

'jvm': {

'options': [None, "JVM Free Memory", "MB", "statistics", "tomcat.jvm", "area"],

'lines': [

["free", None, "absolute", 1, 1048576]

]}

}

class Service(UrlService):

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

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

self.url = self.configuration.get('url', "http://127.0.0.1:8080/manager/status?XML=true")

self.order = ORDER

self.definitions = CHARTS

def check(self):

netloc = urlparse(self.url).netloc.rpartition(':')

if netloc[1] == ':': port = netloc[2]

else: port = 80

self.regex_jvm = compile(r'<jvm>.*?</jvm>')

self.regex_connector = compile(r'[a-z-]+%s.*?/connector' % port)

self.regex = compile(r'([\w]+)=\\?[\'\"](\d+)\\?[\'\"]')

return UrlService.check(self)

def _get_data(self):

"""

Format data received from http request

:return: dict

"""

data = self._get_raw_data()

if data:

jvm = self.regex_jvm.findall(data) or ['']

connector = self.regex_connector.findall(data) or ['']

data = dict(self.regex.findall(''.join([jvm[0], connector[0]])))

return data or None

netdata/python.d/tomcat.chart.py at master · PlumpMath/netdata · GitHub

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