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#!/usr/bin/env python
# -*- coding: utf-8 -*-
try:
from urllib.parse import urlparse, urlencode
from urllib.request import urlopen, Request
from urllib.error import HTTPError
except ImportError:
from urlparse import urlparse
from urllib import urlencode
from urllib2 import urlopen, Request, HTTPError
import time
import plugins
import json
import collections
class Plugin(plugins.BasePlugin):
__name__ = 'elasticsearch'
def run(self, config):
'''
experimental monitoring plugin for elasticsearch
Add to /etc/agent360.ini:
[elasticsearch]
enabled = yes
status_page_url = http://127.0.0.1:9200/_stats
'''
def ascii_encode_dict(data):
ascii_encode = lambda x: x.encode('ascii') if isinstance(x, unicode) else x
return dict(map(ascii_encode, pair) for pair in data.items())
results = dict()
next_cache = dict()
request = urllib2.Request(config.get('elasticsearch', 'status_page_url'))
raw_response = urllib2.urlopen(request)
next_cache['ts'] = time.time()
prev_cache = self.get_agent_cache() # Get absolute values from previous check
def flatten(d, parent_key='', sep='_'):
items = []
for k, v in d.items():
new_key = parent_key + sep + k if parent_key else k
if isinstance(v, collections.MutableMapping):
items.extend(flatten(v, new_key, sep=sep).items())
else:
items.append((new_key, v))
return dict(items)
try:
j = flatten(json.loads(raw_response.read(), object_hook=ascii_encode_dict)['_all']['total'])
except Exception:
return False
delta_keys = (
'get_time_in_millis',
'indexing_index_time_in_millis',
'flush_total_time_in_millis',
'indexing_delete_time_in_millis',
'indexing_index_time_in_millis',
'indexing_throttle_time_in_millis',
'merges_total_stopped_time_in_millis',
'merges_total_throttled_time_in_millis',
'merges_total_time_in_millis',
'recovery_throttle_time_in_millis',
'refresh_total_time_in_millis',
'search_fetch_time_in_millis',
'search_query_time_in_millis',
'search_scroll_time_in_millis',
'search_suggest_time_in_millis',
'warmer_total_time_in_millis',
'docs_count',
'docs_deleted',
'flush_total',
'get_exists_total',
'get_missing_total',
'get_total',
'indexing_delete_total',
'indexing_index_total',
'indexing_noop_update_total',
'merges_total',
'merges_total_docs',
'merges_total_auto_throttle_in_bytes',
'query_cache_cache_count',
'query_cache_cache_size',
'query_cache_evictions',
'query_cache_hit_count',
'query_cache_miss_count',
'query_cache_total_count',
'refresh_total',
'request_cache_hit_count',
'request_cache_miss_count',
'search_fetch_total',
'search_open_contexts',
'search_query_total',
'search_scroll_total',
'search_suggest_total',
'segments_count',
'segments_max_unsafe_auto_id_timestamp',
'warmer_total',
'get_exists_time_in_millis',
'get_missing_time_in_millis'
)
data = {}
constructors = [str, float]
for key, value in j.items():
key = key.lower().strip()
for c in constructors:
try:
value = c(value)
except ValueError:
pass
if key in delta_keys and type(value) is not str:
j[key] = self.absolute_to_per_second(key, float(value), prev_cache)
data[key] = float(value)
else:
pass
data['ts'] = time.time()
# Cache absolute values for next check calculations
self.set_agent_cache(data)
return j
if __name__ == '__main__':
Plugin().execute()