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# -*- coding: utf-8 -*-
# Description: apache cache netdata python.d module
# Author: Pawel Krupa (paulfantom)
from base import LogService
priority = 60000
retries = 60
# update_every = 3
ORDER = ['cache']
CHARTS = {
'cache': {
'options': [None, 'apache cached responses', 'percent cached', 'cached', 'apache_cache.cache', 'stacked'],
'lines': [
["hit", 'cache', "percentage-of-absolute-row"],
["miss", None, "percentage-of-absolute-row"],
["other", None, "percentage-of-absolute-row"]
]}
}
class Service(LogService):
def __init__(self, configuration=None, name=None):
LogService.__init__(self, configuration=configuration, name=name)
if len(self.log_path) == 0:
self.log_path = "/var/log/apache2/cache.log"
self.order = ORDER
self.definitions = CHARTS
def _get_data(self):
"""
Parse new log lines
:return: dict
"""
try:
raw = self._get_raw_data()
if raw is None:
return None
elif not raw:
return {'hit': 0,
'miss': 0,
'other': 0}
except (ValueError, AttributeError):
return None
hit = 0
miss = 0
other = 0
for line in raw:
if "cache hit" in line:
hit += 1
elif "cache miss" in line:
miss += 1
else:
other += 1
return {'hit': hit,
'miss': miss,
'other': other}
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