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# -*- coding: utf-8 -*-
# Description: tomcat netdata python.d module
# Author: Wing924
import json
from bases.FrameworkServices.UrlService import UrlService
# default module values (can be overridden per job in `config`)
# update_every = 2
priority = 60000
retries = 60
DEFAULT_ORDER = ['response_code', 'threads', 'gc_time', 'gc_ope', 'heap']
DEFAULT_CHARTS = {
'response_code': {
'options': [None, "Response Codes", "requests/s", "response", "springboot.response_code", "stacked"],
'lines': [
["resp_other", 'Other', 'incremental'],
["resp_1xx", '1xx', 'incremental'],
["resp_2xx", '2xx', 'incremental'],
["resp_3xx", '3xx', 'incremental'],
["resp_4xx", '4xx', 'incremental'],
["resp_5xx", '5xx', 'incremental'],
]},
'threads': {
'options': [None, "Threads", "current threads", "threads", "springboot.threads", "area"],
'lines': [
["threads_daemon", 'daemon', 'absolute'],
["threads", 'total', 'absolute'],
]},
'gc_time': {
'options': [None, "GC Time", "milliseconds", "garbage collection", "springboot.gc_time", "stacked"],
'lines': [
["gc_copy_time", 'Copy', 'incremental'],
["gc_marksweepcompact_time", 'MarkSweepCompact', 'incremental'],
["gc_parnew_time", 'ParNew', 'incremental'],
["gc_concurrentmarksweep_time", 'ConcurrentMarkSweep', 'incremental'],
["gc_ps_scavenge_time", 'PS Scavenge', 'incremental'],
["gc_ps_marksweep_time", 'PS MarkSweep', 'incremental'],
["gc_g1_young_generation_time", 'G1 Young Generation', 'incremental'],
["gc_g1_old_generation_time", 'G1 Old Generation', 'incremental'],
]},
'gc_ope': {
'options': [None, "GC Operations", "operations/s", "garbage collection", "springboot.gc_ope", "stacked"],
'lines': [
["gc_copy_count", 'Copy', 'incremental'],
["gc_marksweepcompact_count", 'MarkSweepCompact', 'incremental'],
["gc_parnew_count", 'ParNew', 'incremental'],
["gc_concurrentmarksweep_count", 'ConcurrentMarkSweep', 'incremental'],
["gc_ps_scavenge_count", 'PS Scavenge', 'incremental'],
["gc_ps_marksweep_count", 'PS MarkSweep', 'incremental'],
["gc_g1_young_generation_count", 'G1 Young Generation', 'incremental'],
["gc_g1_old_generation_count", 'G1 Old Generation', 'incremental'],
]},
'heap': {
'options': [None, "Heap Memory Usage", "KB", "heap memory", "springboot.heap", "area"],
'lines': [
["heap_committed", 'committed', "absolute"],
["heap_used", 'used', "absolute"],
]},
}
class ExtraChartError(ValueError):
pass
class Service(UrlService):
def __init__(self, configuration=None, name=None):
UrlService.__init__(self, configuration=configuration, name=name)
self.url = self.configuration.get('url', "http://localhost:8080/metrics")
self._setup_charts()
def _get_data(self):
"""
Format data received from http request
:return: dict
"""
raw_data = self._get_raw_data()
if not raw_data:
return None
try:
data = json.loads(raw_data)
except ValueError:
self.debug('%s is not a vaild JSON page' % self.url)
return None
result = {
'resp_1xx': 0,
'resp_2xx': 0,
'resp_3xx': 0,
'resp_4xx': 0,
'resp_5xx': 0,
'resp_other': 0,
}
for key, value in data.iteritems():
if 'counter.status.' in key:
status_type = key[15:16] + 'xx'
if status_type[0] not in '12345':
status_type = 'other'
result['resp_' + status_type] += value
else:
result[key.replace('.', '_')] = value
return result or None
def _setup_charts(self):
self.order = []
self.definitions = {}
defaults = self.configuration.get('defaults', {})
for chart in DEFAULT_ORDER:
if defaults.get(chart, True):
self.order.append(chart)
self.definitions[chart] = DEFAULT_CHARTS[chart]
for extra in self.configuration.get('extras', []):
self._add_extra_chart(extra)
self.order.append(extra['id'])
def _add_extra_chart(self, chart):
chart_id = chart.get('id', None) or die('id is not defined in extra chart')
options = chart.get('options', None) or die('option is not defined in extra chart: %s' % chart_id)
lines = chart.get('lines', None) or die('lines is not defined in extra chart: %s' % chart_id)
title = options.get('title', None) or die('title is missing: %s' % chart_id)
units = options.get('units', None) or die('units is missing: %s' % chart_id)
family = options.get('family', title)
context = options.get('context', 'springboot.' + title)
charttype = options.get('charttype', 'line')
result = {
'options': [None, title, units, family, context, charttype],
'lines': [],
}
for line in lines:
dimension = line.get('dimension', None) or die('dimension is missing: %s' % chart_id)
name = line.get('name', dimension)
algorithm = line.get('algorithm', 'absolute')
multiplier = line.get('multiplier', 1)
divisor = line.get('divisor', 1)
result['lines'].append([dimension, name, algorithm, multiplier, divisor])
self.definitions[chart_id] = result
@staticmethod
def die(error_message):
raise ExtraChartError(error_message)
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