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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
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