forked from ISTI-ansible-roles/ansible-roles
d4science-ghn-cluster/group_vars/mongo_cluster_prod/ganglia.yml: ganglia cluster for the mongodb prod.
library/roles/mongodb-org: Install the specific ganglia plugin if ganglia monitoring is enabled. library/roles/couchdb: Install the specific ganglia plugin if ganglia monitoring is enabled.
This commit is contained in:
Andrea Dell'Amico
parent
fcbeed87c8
commit
1f77909502
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@ -67,3 +67,6 @@ couchdb_replicator_options:
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# - { section: 'httpd', option: 'bind_address', value: '{{ couchdb_bind_address }}', state: 'present' }
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# - { section: 'httpd', option: 'config_whitelist', value: '[{httpd,config_whitelist}, {log,level}]', state: 'present' }
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ganglia_enabled: False
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couchdb_ganglia_url: http://localhost:5984/_stats
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couchdb_ganglia_refresh_rate: 60
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@ -0,0 +1,322 @@
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### This script reports couchdb metrics to ganglia.
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### License to use, modify, and distribute under the GPL
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### http://www.gnu.org/licenses/gpl.txt
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import logging
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import os
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import subprocess
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import sys
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import threading
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import time
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import traceback
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import urllib2
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import json
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logging.basicConfig(level=logging.ERROR)
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_Worker_Thread = None
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class UpdateCouchdbThread(threading.Thread):
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def __init__(self, params):
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threading.Thread.__init__(self)
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self.running = False
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self.shuttingdown = False
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self.refresh_rate = int(params['refresh_rate'])
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self.metrics = {}
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self.settings = {}
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self.stats_url = params['stats_url']
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self._metrics_lock = threading.Lock()
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self._settings_lock = threading.Lock()
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def shutdown(self):
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self.shuttingdown = True
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if not self.running:
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return
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self.join()
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def run(self):
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global _Lock
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self.running = True
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while not self.shuttingdown:
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time.sleep(self.refresh_rate)
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self.refresh_metrics()
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self.running = False
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@staticmethod
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def _get_couchdb_stats(url, refresh_rate):
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if refresh_rate == 60 or refresh_rate == 300 or refresh_rate == 900:
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url += '?range=' + str(refresh_rate)
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else:
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logging.warning('The specified refresh_rate of %d is invalid and has been substituted with 60!' % refresh_rate)
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url += '?range=60'
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# Set time out for urlopen to 2 seconds otherwise we run into the possibility of hosing gmond
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c = urllib2.urlopen(url, None, 2)
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json_data = c.read()
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c.close()
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data = json.loads(json_data)
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couchdb = data['couchdb']
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httpd = data['httpd']
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request_methods = data['httpd_request_methods']
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status_codes = data['httpd_status_codes']
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result = {}
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for first_level_key in data:
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for second_level_key in data[first_level_key]:
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value = data[first_level_key][second_level_key]['current']
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if value is None:
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value = 0
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else:
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if second_level_key in ['open_databases', 'open_os_files', 'clients_requesting_changes']:
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print second_level_key + ': ' + str(value)
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value = int(value)
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else:
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# We need to devide by the range as couchdb provides no per second values
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value = float(value) / refresh_rate
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result['couchdb_' + first_level_key + '_' + second_level_key ] = value
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return result
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def refresh_metrics(self):
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logging.debug('refresh metrics')
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try:
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logging.debug(' opening URL: ' + str(self.stats_url))
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data = UpdateCouchdbThread._get_couchdb_stats(self.stats_url, self.refresh_rate)
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except:
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logging.warning('error refreshing metrics')
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logging.warning(traceback.print_exc(file=sys.stdout))
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try:
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self._metrics_lock.acquire()
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self.metrics = {}
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for k, v in data.items():
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self.metrics[k] = v
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except:
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logging.warning('error refreshing metrics')
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logging.warning(traceback.print_exc(file=sys.stdout))
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return False
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finally:
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self._metrics_lock.release()
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if not self.metrics:
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logging.warning('error refreshing metrics')
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return False
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logging.debug('success refreshing metrics')
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logging.debug('metrics: ' + str(self.metrics))
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return True
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def metric_of(self, name):
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logging.debug('getting metric: ' + name)
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try:
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if name in self.metrics:
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try:
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self._metrics_lock.acquire()
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logging.debug('metric: %s = %s' % (name, self.metrics[name]))
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return self.metrics[name]
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finally:
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self._metrics_lock.release()
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except:
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logging.warning('failed to fetch ' + name)
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return 0
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def setting_of(self, name):
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logging.debug('getting setting: ' + name)
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try:
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if name in self.settings:
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try:
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self._settings_lock.acquire()
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logging.debug('setting: %s = %s' % (name, self.settings[name]))
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return self.settings[name]
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finally:
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self._settings_lock.release()
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except:
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logging.warning('failed to fetch ' + name)
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return 0
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def metric_init(params):
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logging.debug('init: ' + str(params))
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global _Worker_Thread
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METRIC_DEFAULTS = {
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'units': 'requests/s',
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'groups': 'couchdb',
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'slope': 'both',
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'value_type': 'float',
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'format': '%.3f',
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'description': '',
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'call_back': metric_of
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}
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descriptions = dict(
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couchdb_couchdb_auth_cache_hits={
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'units': 'hits/s',
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'description': 'Number of authentication cache hits'},
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couchdb_couchdb_auth_cache_misses={
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'units': 'misses/s',
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'description': 'Number of authentication cache misses'},
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couchdb_couchdb_database_reads={
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'units': 'reads/s',
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'description': 'Number of times a document was read from a database'},
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couchdb_couchdb_database_writes={
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'units': 'writes/s',
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'description': 'Number of times a document was changed'},
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couchdb_couchdb_open_databases={
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'value_type': 'uint',
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'format': '%d',
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'units': 'databases',
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'description': 'Number of open databases'},
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couchdb_couchdb_open_os_files={
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'value_type': 'uint',
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'format': '%d',
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'units': 'files',
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'description': 'Number of file descriptors CouchDB has open'},
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couchdb_couchdb_request_time={
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'units': 'ms',
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'description': 'Request time'},
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couchdb_httpd_bulk_requests={
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'description': 'Number of bulk requests'},
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couchdb_httpd_clients_requesting_changes={
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'value_type': 'uint',
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'format': '%d',
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'units': 'clients',
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'description': 'Number of clients for continuous _changes'},
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couchdb_httpd_requests={
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'description': 'Number of HTTP requests'},
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couchdb_httpd_temporary_view_reads={
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'units': 'reads',
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'description': 'Number of temporary view reads'},
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couchdb_httpd_view_reads={
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'description': 'Number of view reads'},
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couchdb_httpd_request_methods_COPY={
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'description': 'Number of HTTP COPY requests'},
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couchdb_httpd_request_methods_DELETE={
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'description': 'Number of HTTP DELETE requests'},
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couchdb_httpd_request_methods_GET={
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'description': 'Number of HTTP GET requests'},
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couchdb_httpd_request_methods_HEAD={
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'description': 'Number of HTTP HEAD requests'},
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couchdb_httpd_request_methods_POST={
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'description': 'Number of HTTP POST requests'},
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couchdb_httpd_request_methods_PUT={
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'description': 'Number of HTTP PUT requests'},
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couchdb_httpd_status_codes_200={
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'units': 'responses/s',
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'description': 'Number of HTTP 200 OK responses'},
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couchdb_httpd_status_codes_201={
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'units': 'responses/s',
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'description': 'Number of HTTP 201 Created responses'},
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couchdb_httpd_status_codes_202={
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'units': 'responses/s',
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'description': 'Number of HTTP 202 Accepted responses'},
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couchdb_httpd_status_codes_301={
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'units': 'responses/s',
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'description': 'Number of HTTP 301 Moved Permanently responses'},
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couchdb_httpd_status_codes_304={
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'units': 'responses/s',
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'description': 'Number of HTTP 304 Not Modified responses'},
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couchdb_httpd_status_codes_400={
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'units': 'responses/s',
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'description': 'Number of HTTP 400 Bad Request responses'},
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couchdb_httpd_status_codes_401={
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'units': 'responses/s',
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'description': 'Number of HTTP 401 Unauthorized responses'},
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couchdb_httpd_status_codes_403={
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'units': 'responses/s',
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'description': 'Number of HTTP 403 Forbidden responses'},
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couchdb_httpd_status_codes_404={
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'units': 'responses/s',
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'description': 'Number of HTTP 404 Not Found responses'},
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couchdb_httpd_status_codes_405={
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'units': 'responses/s',
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'description': 'Number of HTTP 405 Method Not Allowed responses'},
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couchdb_httpd_status_codes_409={
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'units': 'responses/s',
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'description': 'Number of HTTP 409 Conflict responses'},
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couchdb_httpd_status_codes_412={
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'units': 'responses/s',
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'description': 'Number of HTTP 412 Precondition Failed responses'},
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couchdb_httpd_status_codes_500={
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'units': 'responses/s',
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'description': 'Number of HTTP 500 Internal Server Error responses'})
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if _Worker_Thread is not None:
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raise Exception('Worker thread already exists')
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_Worker_Thread = UpdateCouchdbThread(params)
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_Worker_Thread.refresh_metrics()
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_Worker_Thread.start()
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descriptors = []
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for name, desc in descriptions.iteritems():
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d = desc.copy()
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d['name'] = str(name)
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[ d.setdefault(key, METRIC_DEFAULTS[key]) for key in METRIC_DEFAULTS.iterkeys() ]
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descriptors.append(d)
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return descriptors
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def metric_of(name):
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global _Worker_Thread
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return _Worker_Thread.metric_of(name)
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def setting_of(name):
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global _Worker_Thread
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return _Worker_Thread.setting_of(name)
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def metric_cleanup():
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global _Worker_Thread
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if _Worker_Thread is not None:
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_Worker_Thread.shutdown()
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logging.shutdown()
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pass
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if __name__ == '__main__':
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from optparse import OptionParser
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try:
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logging.debug('running from the cmd line')
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parser = OptionParser()
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parser.add_option('-u', '--URL', dest='stats_url', default='http://127.0.0.1:5984/_stats', help='URL for couchdb stats page')
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parser.add_option('-q', '--quiet', dest='quiet', action='store_true', default=False)
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parser.add_option('-r', '--refresh-rate', dest='refresh_rate', default=60)
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parser.add_option('-d', '--debug', dest='debug', action='store_true', default=False)
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(options, args) = parser.parse_args()
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descriptors = metric_init({
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'stats_url': options.stats_url,
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'refresh_rate': options.refresh_rate
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})
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if options.debug:
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from pprint import pprint
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pprint(descriptors)
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for d in descriptors:
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v = d['call_back'](d['name'])
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if not options.quiet:
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print ' {0}: {1} {2} [{3}]' . format(d['name'], v, d['units'], d['description'])
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os._exit(1)
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except KeyboardInterrupt:
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time.sleep(0.2)
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os._exit(1)
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except StandardError:
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traceback.print_exc()
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os._exit(1)
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finally:
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metric_cleanup()
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@ -0,0 +1,13 @@
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---
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#
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# The ganglia plugin comes from https://github.com/ganglia/gmond_python_modules
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#
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- name: Install the ganglia plugin for Couchdb
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copy: src=couchdb.py dest=/usr/lib/ganglia/python_modules/couchdb.py owner=root group=root mode=0644
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notify: Restart ganglia monitor
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tags: ganglia
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- name: Distribute the ganglia (gmond) configuration for the Couchdb plugin
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template: src=couchdb.pyconf.j2 dest=/etc/ganglia/conf.d/couchdb.pyconf owner=root group=root mode=444
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notify: Restart ganglia monitor
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tags: ganglia
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@ -1,5 +1,7 @@
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---
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- include: couchdb-old-package.yml
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- include: couchdb-1.yml
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when: couchdb_use_old_package
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- include: couchdb-2.yml
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when: not couchdb_use_old_package
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- include: ganglia-plugin.yml
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when: ganglia_enabled
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@ -0,0 +1,207 @@
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#
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modules {
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module {
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name = 'couchdb'
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language = 'python'
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param stats_url {
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value = '{{ couchdb_ganglia_url }}'
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}
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param refresh_rate {
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value = '{{ couchdb_ganglia_refresh_rate }}'
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}
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}
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}
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collection_group {
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collect_every = 10
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time_threshold = 20
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metric {
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name = 'couchdb_couchdb_auth_cache_hits'
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title = 'Number of authentication cache hits'
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value_threshold = 1.0
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}
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metric {
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name = 'couchdb_couchdb_auth_cache_misses'
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title = 'Number of authentication cache misses'
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value_threshold = 1.0
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}
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metric {
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name = 'couchdb_couchdb_database_reads'
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title = 'Number of times a document was read from a database'
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value_threshold = 1.0
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}
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metric {
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name = 'couchdb_couchdb_database_writes'
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title = 'Number of times a document was changed'
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value_threshold = 1.0
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}
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metric {
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name = 'couchdb_couchdb_open_databases'
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title = 'Number of open databases'
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value_threshold = 1.0
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}
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metric {
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name = 'couchdb_couchdb_open_os_files'
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title = 'Number of file descriptors CouchDB has open'
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value_threshold = 1.0
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}
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metric {
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name = 'couchdb_couchdb_request_time'
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title = 'Request Time'
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value_threshold = 1.0
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}
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metric {
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name = 'couchdb_httpd_bulk_requests'
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title = 'Number of bulk requests'
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value_threshold = 1.0
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}
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metric {
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name = 'couchdb_httpd_clients_requesting_changes'
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title = 'Number of clients for continuous _changes'
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value_threshold = 1.0
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}
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metric {
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name = 'couchdb_httpd_requests'
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title = 'Number of HTTP requests'
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value_threshold = 1.0
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}
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metric {
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name = 'couchdb_httpd_temporary_view_reads'
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title = 'Number of temporary view reads'
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value_threshold = 1.0
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}
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metric {
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name = 'couchdb_httpd_view_reads'
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title = 'Number of view reads'
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value_threshold = 1.0
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}
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metric {
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name = 'couchdb_httpd_request_methods_COPY'
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title = 'Number of HTTP COPY requests'
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value_threshold = 1.0
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}
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metric {
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name = 'couchdb_httpd_request_methods_DELETE'
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title = 'Number of HTTP DELETE requests'
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value_threshold = 1.0
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}
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metric {
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name = 'couchdb_httpd_request_methods_GET'
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title = 'Number of HTTP GET requests'
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value_threshold = 1.0
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}
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metric {
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name = 'couchdb_httpd_request_methods_HEAD'
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title = 'Number of HTTP HEAD requests'
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value_threshold = 1.0
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}
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metric {
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name = 'couchdb_httpd_request_methods_POST'
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title = 'Number of HTTP POST requests'
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value_threshold = 1.0
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}
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metric {
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name = 'couchdb_httpd_request_methods_PUT'
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title = 'Number of HTTP PUT requests'
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value_threshold = 1.0
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}
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metric {
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name = 'couchdb_httpd_status_codes_200'
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title = 'Number of HTTP 200 OK responses'
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value_threshold = 1.0
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}
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|
||||
metric {
|
||||
name = 'couchdb_httpd_status_codes_201'
|
||||
title = 'Number of HTTP 201 Created responses'
|
||||
value_threshold = 1.0
|
||||
}
|
||||
|
||||
metric {
|
||||
name = 'couchdb_httpd_status_codes_202'
|
||||
title = 'Number of HTTP 202 Accepted responses'
|
||||
value_threshold = 1.0
|
||||
}
|
||||
|
||||
metric {
|
||||
name = 'couchdb_httpd_status_codes_301'
|
||||
title = 'Number of HTTP 301 Moved Permanently responses'
|
||||
value_threshold = 1.0
|
||||
}
|
||||
|
||||
metric {
|
||||
name = 'couchdb_httpd_status_codes_304'
|
||||
title = 'Number of HTTP 304 Not Modified responses'
|
||||
value_threshold = 1.0
|
||||
}
|
||||
|
||||
metric {
|
||||
name = 'couchdb_httpd_status_codes_400'
|
||||
title = 'Number of HTTP 400 Bad Request responses'
|
||||
value_threshold = 1.0
|
||||
}
|
||||
|
||||
metric {
|
||||
name = 'couchdb_httpd_status_codes_401'
|
||||
title = 'Number of HTTP 401 Unauthorized responses'
|
||||
value_threshold = 1.0
|
||||
}
|
||||
|
||||
metric {
|
||||
name = 'couchdb_httpd_status_codes_403'
|
||||
title = 'Number of HTTP 403 Forbidden responses'
|
||||
value_threshold = 1.0
|
||||
}
|
||||
|
||||
metric {
|
||||
name = 'couchdb_httpd_status_codes_404'
|
||||
title = 'Number of HTTP 404 Not Found responses'
|
||||
value_threshold = 1.0
|
||||
}
|
||||
|
||||
metric {
|
||||
name = 'couchdb_httpd_status_codes_405'
|
||||
title = 'Number of HTTP 405 Method Not Allowed responses'
|
||||
value_threshold = 1.0
|
||||
}
|
||||
|
||||
metric {
|
||||
name = 'couchdb_httpd_status_codes_409'
|
||||
title = 'Number of HTTP 409 Conflict responses'
|
||||
value_threshold = 1.0
|
||||
}
|
||||
|
||||
metric {
|
||||
name = 'couchdb_httpd_status_codes_412'
|
||||
title = 'Number of HTTP 412 Precondition Failed responses'
|
||||
value_threshold = 1.0
|
||||
}
|
||||
|
||||
metric {
|
||||
name = 'couchdb_httpd_status_codes_500'
|
||||
title = 'Number of HTTP 500 Internal Server Error responses'
|
||||
value_threshold = 1.0
|
||||
}
|
||||
}
|
||||
|
|
@ -1,10 +1,12 @@
|
|||
# These are for reference only.
|
||||
# Define your own set of variables
|
||||
#
|
||||
ganglia_gmond_cluster: "CNR-ISTI NeMIS Cluster"
|
||||
ganglia_gmond_cluster_port: 8649
|
||||
ganglia_gmond_mcast_addr: 239.2.11.71
|
||||
ganglia_gmetad_host: monitoring.research-infrastructures.eu
|
||||
#ganglia_gmond_cluster: "Ganglia Cluster"
|
||||
#ganglia_gmond_cluster_port: 8649
|
||||
#ganglia_gmond_mcast_addr: 239.2.11.71
|
||||
#ganglia_gmetad_host: ganglia-gmetad
|
||||
ganglia_gmond_send_metadata_interval: 60
|
||||
# Needed to build the correct firewall rules when jmxtrans is in use
|
||||
ganglia_gmond_use_jmxtrans: False
|
||||
# Used by other roles to install specific ganglia iptables rules or some specific ganglia plugins. Or not.
|
||||
ganglia_enabled: False
|
||||
|
|
|
|||
|
|
@ -0,0 +1,496 @@
|
|||
#!/usr/bin/env python
|
||||
# -*- coding: utf-8 -*-
|
||||
#
|
||||
# MongoDB gmond module for Ganglia
|
||||
#
|
||||
# Copyright (C) 2011 by Michael T. Conigliaro <mike [at] conigliaro [dot] org>.
|
||||
# All rights reserved.
|
||||
#
|
||||
# Permission is hereby granted, free of charge, to any person obtaining a copy
|
||||
# of this software and associated documentation files (the "Software"), to deal
|
||||
# in the Software without restriction, including without limitation the rights
|
||||
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||||
# copies of the Software, and to permit persons to whom the Software is
|
||||
# furnished to do so, subject to the following conditions:
|
||||
#
|
||||
# The above copyright notice and this permission notice shall be included in
|
||||
# all copies or substantial portions of the Software.
|
||||
#
|
||||
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||||
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||||
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
||||
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
||||
# THE SOFTWARE.
|
||||
#
|
||||
|
||||
import json
|
||||
import os
|
||||
import re
|
||||
import socket
|
||||
import string
|
||||
import time
|
||||
import copy
|
||||
|
||||
NAME_PREFIX = 'mongodb_'
|
||||
PARAMS = {
|
||||
'server_status' : '~/mongodb-osx-x86_64-1.8.1/bin/mongo --host mongodb04.example.com --port 27018 --quiet --eval "printjson(db.serverStatus())"',
|
||||
'rs_status' : '~/mongodb-osx-x86_64-1.8.1/bin/mongo --host mongodb04.example.com --port 27018 --quiet --eval "printjson(rs.status())"'
|
||||
}
|
||||
METRICS = {
|
||||
'time' : 0,
|
||||
'data' : {}
|
||||
}
|
||||
LAST_METRICS = copy.deepcopy(METRICS)
|
||||
METRICS_CACHE_TTL = 3
|
||||
|
||||
|
||||
def flatten(d, pre = '', sep = '_'):
|
||||
"""Flatten a dict (i.e. dict['a']['b']['c'] => dict['a_b_c'])"""
|
||||
|
||||
new_d = {}
|
||||
for k,v in d.items():
|
||||
if type(v) == dict:
|
||||
new_d.update(flatten(d[k], '%s%s%s' % (pre, k, sep)))
|
||||
else:
|
||||
new_d['%s%s' % (pre, k)] = v
|
||||
return new_d
|
||||
|
||||
|
||||
def get_metrics():
|
||||
"""Return all metrics"""
|
||||
|
||||
global METRICS, LAST_METRICS
|
||||
|
||||
if (time.time() - METRICS['time']) > METRICS_CACHE_TTL:
|
||||
|
||||
metrics = {}
|
||||
for status_type in PARAMS.keys():
|
||||
|
||||
# get raw metric data
|
||||
io = os.popen(PARAMS[status_type])
|
||||
|
||||
# clean up
|
||||
metrics_str = ''.join(io.readlines()).strip() # convert to string
|
||||
metrics_str = re.sub('\w+\((.*)\)', r"\1", metrics_str) # remove functions
|
||||
|
||||
# convert to flattened dict
|
||||
try:
|
||||
if status_type == 'server_status':
|
||||
metrics.update(flatten(json.loads(metrics_str)))
|
||||
else:
|
||||
metrics.update(flatten(json.loads(metrics_str), pre='%s_' % status_type))
|
||||
except ValueError:
|
||||
metrics = {}
|
||||
|
||||
# update cache
|
||||
LAST_METRICS = copy.deepcopy(METRICS)
|
||||
METRICS = {
|
||||
'time': time.time(),
|
||||
'data': metrics
|
||||
}
|
||||
|
||||
return [METRICS, LAST_METRICS]
|
||||
|
||||
|
||||
def get_value(name):
|
||||
"""Return a value for the requested metric"""
|
||||
|
||||
# get metrics
|
||||
metrics = get_metrics()[0]
|
||||
|
||||
# get value
|
||||
name = name[len(NAME_PREFIX):] # remove prefix from name
|
||||
try:
|
||||
result = metrics['data'][name]
|
||||
except StandardError:
|
||||
result = 0
|
||||
|
||||
return result
|
||||
|
||||
|
||||
def get_rate(name):
|
||||
"""Return change over time for the requested metric"""
|
||||
|
||||
# get metrics
|
||||
[curr_metrics, last_metrics] = get_metrics()
|
||||
|
||||
# get rate
|
||||
name = name[len(NAME_PREFIX):] # remove prefix from name
|
||||
|
||||
try:
|
||||
rate = float(curr_metrics['data'][name] - last_metrics['data'][name]) / \
|
||||
float(curr_metrics['time'] - last_metrics['time'])
|
||||
if rate < 0:
|
||||
rate = float(0)
|
||||
except StandardError:
|
||||
rate = float(0)
|
||||
|
||||
return rate
|
||||
|
||||
|
||||
def get_opcounter_rate(name):
|
||||
"""Return change over time for an opcounter metric"""
|
||||
|
||||
master_rate = get_rate(name)
|
||||
repl_rate = get_rate(name.replace('opcounters_', 'opcountersRepl_'))
|
||||
|
||||
return master_rate + repl_rate
|
||||
|
||||
|
||||
def get_globalLock_ratio(name):
|
||||
"""Return the global lock ratio"""
|
||||
|
||||
try:
|
||||
result = get_rate(NAME_PREFIX + 'globalLock_lockTime') / \
|
||||
get_rate(NAME_PREFIX + 'globalLock_totalTime') * 100
|
||||
except ZeroDivisionError:
|
||||
result = 0
|
||||
|
||||
return result
|
||||
|
||||
|
||||
def get_indexCounters_btree_miss_ratio(name):
|
||||
"""Return the btree miss ratio"""
|
||||
|
||||
try:
|
||||
result = get_rate(NAME_PREFIX + 'indexCounters_btree_misses') / \
|
||||
get_rate(NAME_PREFIX + 'indexCounters_btree_accesses') * 100
|
||||
except ZeroDivisionError:
|
||||
result = 0
|
||||
|
||||
return result
|
||||
|
||||
|
||||
def get_connections_current_ratio(name):
|
||||
"""Return the percentage of connections used"""
|
||||
|
||||
try:
|
||||
result = float(get_value(NAME_PREFIX + 'connections_current')) / \
|
||||
float(get_value(NAME_PREFIX + 'connections_available')) * 100
|
||||
except ZeroDivisionError:
|
||||
result = 0
|
||||
|
||||
return result
|
||||
|
||||
|
||||
def get_slave_delay(name):
|
||||
"""Return the replica set slave delay"""
|
||||
|
||||
# get metrics
|
||||
metrics = get_metrics()[0]
|
||||
|
||||
# no point checking my optime if i'm not replicating
|
||||
if 'rs_status_myState' not in metrics['data'] or metrics['data']['rs_status_myState'] != 2:
|
||||
result = 0
|
||||
|
||||
# compare my optime with the master's
|
||||
else:
|
||||
master = {}
|
||||
slave = {}
|
||||
try:
|
||||
for member in metrics['data']['rs_status_members']:
|
||||
if member['state'] == 1:
|
||||
master = member
|
||||
if member['name'].split(':')[0] == socket.getfqdn():
|
||||
slave = member
|
||||
result = max(0, master['optime']['t'] - slave['optime']['t']) / 1000
|
||||
except KeyError:
|
||||
result = 0
|
||||
|
||||
return result
|
||||
|
||||
|
||||
def get_asserts_total_rate(name):
|
||||
"""Return the total number of asserts per second"""
|
||||
|
||||
return float(reduce(lambda memo,obj: memo + get_rate('%sasserts_%s' % (NAME_PREFIX, obj)),
|
||||
['regular', 'warning', 'msg', 'user', 'rollovers'], 0))
|
||||
|
||||
|
||||
def metric_init(lparams):
|
||||
"""Initialize metric descriptors"""
|
||||
|
||||
global PARAMS
|
||||
|
||||
# set parameters
|
||||
for key in lparams:
|
||||
PARAMS[key] = lparams[key]
|
||||
|
||||
# define descriptors
|
||||
time_max = 60
|
||||
groups = 'mongodb'
|
||||
descriptors = [
|
||||
{
|
||||
'name': NAME_PREFIX + 'opcounters_insert',
|
||||
'call_back': get_opcounter_rate,
|
||||
'time_max': time_max,
|
||||
'value_type': 'float',
|
||||
'units': 'Inserts/Sec',
|
||||
'slope': 'both',
|
||||
'format': '%f',
|
||||
'description': 'Inserts',
|
||||
'groups': groups
|
||||
},
|
||||
{
|
||||
'name': NAME_PREFIX + 'opcounters_query',
|
||||
'call_back': get_opcounter_rate,
|
||||
'time_max': time_max,
|
||||
'value_type': 'float',
|
||||
'units': 'Queries/Sec',
|
||||
'slope': 'both',
|
||||
'format': '%f',
|
||||
'description': 'Queries',
|
||||
'groups': groups
|
||||
},
|
||||
{
|
||||
'name': NAME_PREFIX + 'opcounters_update',
|
||||
'call_back': get_opcounter_rate,
|
||||
'time_max': time_max,
|
||||
'value_type': 'float',
|
||||
'units': 'Updates/Sec',
|
||||
'slope': 'both',
|
||||
'format': '%f',
|
||||
'description': 'Updates',
|
||||
'groups': groups
|
||||
},
|
||||
{
|
||||
'name': NAME_PREFIX + 'opcounters_delete',
|
||||
'call_back': get_opcounter_rate,
|
||||
'time_max': time_max,
|
||||
'value_type': 'float',
|
||||
'units': 'Deletes/Sec',
|
||||
'slope': 'both',
|
||||
'format': '%f',
|
||||
'description': 'Deletes',
|
||||
'groups': groups
|
||||
},
|
||||
{
|
||||
'name': NAME_PREFIX + 'opcounters_getmore',
|
||||
'call_back': get_opcounter_rate,
|
||||
'time_max': time_max,
|
||||
'value_type': 'float',
|
||||
'units': 'Getmores/Sec',
|
||||
'slope': 'both',
|
||||
'format': '%f',
|
||||
'description': 'Getmores',
|
||||
'groups': groups
|
||||
},
|
||||
{
|
||||
'name': NAME_PREFIX + 'opcounters_command',
|
||||
'call_back': get_opcounter_rate,
|
||||
'time_max': time_max,
|
||||
'value_type': 'float',
|
||||
'units': 'Commands/Sec',
|
||||
'slope': 'both',
|
||||
'format': '%f',
|
||||
'description': 'Commands',
|
||||
'groups': groups
|
||||
},
|
||||
{
|
||||
'name': NAME_PREFIX + 'backgroundFlushing_flushes',
|
||||
'call_back': get_rate,
|
||||
'time_max': time_max,
|
||||
'value_type': 'float',
|
||||
'units': 'Flushes/Sec',
|
||||
'slope': 'both',
|
||||
'format': '%f',
|
||||
'description': 'Flushes',
|
||||
'groups': groups
|
||||
},
|
||||
{
|
||||
'name': NAME_PREFIX + 'mem_mapped',
|
||||
'call_back': get_value,
|
||||
'time_max': time_max,
|
||||
'value_type': 'uint',
|
||||
'units': 'MB',
|
||||
'slope': 'both',
|
||||
'format': '%u',
|
||||
'description': 'Memory-mapped Data',
|
||||
'groups': groups
|
||||
},
|
||||
{
|
||||
'name': NAME_PREFIX + 'mem_virtual',
|
||||
'call_back': get_value,
|
||||
'time_max': time_max,
|
||||
'value_type': 'uint',
|
||||
'units': 'MB',
|
||||
'slope': 'both',
|
||||
'format': '%u',
|
||||
'description': 'Process Virtual Size',
|
||||
'groups': groups
|
||||
},
|
||||
{
|
||||
'name': NAME_PREFIX + 'mem_resident',
|
||||
'call_back': get_value,
|
||||
'time_max': time_max,
|
||||
'value_type': 'uint',
|
||||
'units': 'MB',
|
||||
'slope': 'both',
|
||||
'format': '%u',
|
||||
'description': 'Process Resident Size',
|
||||
'groups': groups
|
||||
},
|
||||
{
|
||||
'name': NAME_PREFIX + 'extra_info_page_faults',
|
||||
'call_back': get_rate,
|
||||
'time_max': time_max,
|
||||
'value_type': 'float',
|
||||
'units': 'Faults/Sec',
|
||||
'slope': 'both',
|
||||
'format': '%f',
|
||||
'description': 'Page Faults',
|
||||
'groups': groups
|
||||
},
|
||||
{
|
||||
'name': NAME_PREFIX + 'globalLock_ratio',
|
||||
'call_back': get_globalLock_ratio,
|
||||
'time_max': time_max,
|
||||
'value_type': 'float',
|
||||
'units': '%',
|
||||
'slope': 'both',
|
||||
'format': '%f',
|
||||
'description': 'Global Write Lock Ratio',
|
||||
'groups': groups
|
||||
},
|
||||
{
|
||||
'name': NAME_PREFIX + 'indexCounters_btree_miss_ratio',
|
||||
'call_back': get_indexCounters_btree_miss_ratio,
|
||||
'time_max': time_max,
|
||||
'value_type': 'float',
|
||||
'units': '%',
|
||||
'slope': 'both',
|
||||
'format': '%f',
|
||||
'description': 'BTree Page Miss Ratio',
|
||||
'groups': groups
|
||||
},
|
||||
{
|
||||
'name': NAME_PREFIX + 'globalLock_currentQueue_total',
|
||||
'call_back': get_value,
|
||||
'time_max': time_max,
|
||||
'value_type': 'uint',
|
||||
'units': 'Operations',
|
||||
'slope': 'both',
|
||||
'format': '%u',
|
||||
'description': 'Total Operations Waiting for Lock',
|
||||
'groups': groups
|
||||
},
|
||||
{
|
||||
'name': NAME_PREFIX + 'globalLock_currentQueue_readers',
|
||||
'call_back': get_value,
|
||||
'time_max': time_max,
|
||||
'value_type': 'uint',
|
||||
'units': 'Operations',
|
||||
'slope': 'both',
|
||||
'format': '%u',
|
||||
'description': 'Readers Waiting for Lock',
|
||||
'groups': groups
|
||||
},
|
||||
{
|
||||
'name': NAME_PREFIX + 'globalLock_currentQueue_writers',
|
||||
'call_back': get_value,
|
||||
'time_max': time_max,
|
||||
'value_type': 'uint',
|
||||
'units': 'Operations',
|
||||
'slope': 'both',
|
||||
'format': '%u',
|
||||
'description': 'Writers Waiting for Lock',
|
||||
'groups': groups
|
||||
},
|
||||
{
|
||||
'name': NAME_PREFIX + 'globalLock_activeClients_total',
|
||||
'call_back': get_value,
|
||||
'time_max': time_max,
|
||||
'value_type': 'uint',
|
||||
'units': 'Clients',
|
||||
'slope': 'both',
|
||||
'format': '%u',
|
||||
'description': 'Total Active Clients',
|
||||
'groups': groups
|
||||
},
|
||||
{
|
||||
'name': NAME_PREFIX + 'globalLock_activeClients_readers',
|
||||
'call_back': get_value,
|
||||
'time_max': time_max,
|
||||
'value_type': 'uint',
|
||||
'units': 'Clients',
|
||||
'slope': 'both',
|
||||
'format': '%u',
|
||||
'description': 'Active Readers',
|
||||
'groups': groups
|
||||
},
|
||||
{
|
||||
'name': NAME_PREFIX + 'globalLock_activeClients_writers',
|
||||
'call_back': get_value,
|
||||
'time_max': time_max,
|
||||
'value_type': 'uint',
|
||||
'units': 'Clients',
|
||||
'slope': 'both',
|
||||
'format': '%u',
|
||||
'description': 'Active Writers',
|
||||
'groups': groups
|
||||
},
|
||||
{
|
||||
'name': NAME_PREFIX + 'connections_current',
|
||||
'call_back': get_value,
|
||||
'time_max': time_max,
|
||||
'value_type': 'uint',
|
||||
'units': 'Connections',
|
||||
'slope': 'both',
|
||||
'format': '%u',
|
||||
'description': 'Open Connections',
|
||||
'groups': groups
|
||||
},
|
||||
{
|
||||
'name': NAME_PREFIX + 'connections_current_ratio',
|
||||
'call_back': get_connections_current_ratio,
|
||||
'time_max': time_max,
|
||||
'value_type': 'float',
|
||||
'units': '%',
|
||||
'slope': 'both',
|
||||
'format': '%f',
|
||||
'description': 'Percentage of Connections Used',
|
||||
'groups': groups
|
||||
},
|
||||
{
|
||||
'name': NAME_PREFIX + 'slave_delay',
|
||||
'call_back': get_slave_delay,
|
||||
'time_max': time_max,
|
||||
'value_type': 'uint',
|
||||
'units': 'Seconds',
|
||||
'slope': 'both',
|
||||
'format': '%u',
|
||||
'description': 'Replica Set Slave Delay',
|
||||
'groups': groups
|
||||
},
|
||||
{
|
||||
'name': NAME_PREFIX + 'asserts_total',
|
||||
'call_back': get_asserts_total_rate,
|
||||
'time_max': time_max,
|
||||
'value_type': 'float',
|
||||
'units': 'Asserts/Sec',
|
||||
'slope': 'both',
|
||||
'format': '%f',
|
||||
'description': 'Asserts',
|
||||
'groups': groups
|
||||
}
|
||||
]
|
||||
|
||||
return descriptors
|
||||
|
||||
|
||||
def metric_cleanup():
|
||||
"""Cleanup"""
|
||||
|
||||
pass
|
||||
|
||||
|
||||
# the following code is for debugging and testing
|
||||
if __name__ == '__main__':
|
||||
descriptors = metric_init(PARAMS)
|
||||
while True:
|
||||
for d in descriptors:
|
||||
print (('%s = %s') % (d['name'], d['format'])) % (d['call_back'](d['name']))
|
||||
print ''
|
||||
time.sleep(METRICS_CACHE_TTL)
|
||||
|
|
@ -0,0 +1,14 @@
|
|||
---
|
||||
#
|
||||
# The ganglia plugin comes from https://github.com/ganglia/gmond_python_modules
|
||||
#
|
||||
- name: Install the ganglia plugin for MongoDB
|
||||
copy: src=mongodb.py dest=/usr/lib/ganglia/python_modules/mongodb.py owner=root group=root mode=0444
|
||||
notify: Restart ganglia monitor
|
||||
tags: [ 'ganglia', 'mongodb' ]
|
||||
|
||||
- name: Distribute the ganglia (gmond) configuration for the MongoDB plugin
|
||||
template: src=mongodb.pyconf.j2 dest=/etc/ganglia/conf.d/mongodb.pyconf owner=root group=root mode=0444
|
||||
notify: Restart ganglia monitor
|
||||
tags: [ 'ganglia', 'mongodb' ]
|
||||
|
||||
|
|
@ -1,56 +1,4 @@
|
|||
---
|
||||
- name: Install the mongodb apt key
|
||||
#apt_key: id=7F0CEB10 state=present
|
||||
raw: apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv 7F0CEB10
|
||||
when: mongodb_install_from_external_repo
|
||||
tags: mongodb
|
||||
|
||||
- name: Install the mongodb repository
|
||||
copy: content="deb http://downloads-distro.mongodb.org/repo/ubuntu-upstart dist 10gen" dest=/etc/apt/sources.list.d/mongodb.list owner=root group=root mode=044
|
||||
when: mongodb_install_from_external_repo
|
||||
register: external_repo
|
||||
tags: mongodb
|
||||
|
||||
- name: Install the latest version of mongodb server
|
||||
apt: pkg={{ item }} state={{ mongodb_pkg_state }} update_cache=yes
|
||||
with_items:
|
||||
- mongodb-org
|
||||
when:
|
||||
- mongodb_install_from_external_repo
|
||||
- mongodb_install_packages
|
||||
tags: mongodb
|
||||
|
||||
- name: Install the mongodb defaults file
|
||||
copy: content="ENABLE_MONGODB={{ mongodb_start_server }}" dest=/etc/default/mongodb owner=root group=root mode=0444
|
||||
when: mongodb_install_conf
|
||||
tags: mongodb
|
||||
|
||||
- name: Create the mongodb db directory
|
||||
file: dest={{ mongodb_dbpath }} state=directory owner={{ mongodb_user }} group={{ mongodb_group }} mode=0755
|
||||
when: mongodb_install_conf
|
||||
tags: mongodb
|
||||
|
||||
- name: Create the mongodb log directory
|
||||
file: dest={{ mongodb_logdir }} state=directory owner={{ mongodb_user }} group={{ mongodb_group }} mode=0755
|
||||
when: mongodb_install_conf
|
||||
tags: mongodb
|
||||
|
||||
- name: Install the mongodb 2.6 configuration
|
||||
template: src=mongod-2.6.conf.j2 dest=/etc/mongod.conf owner=root group=root mode=0444
|
||||
when: mongodb_install_conf
|
||||
tags: mongodb
|
||||
|
||||
- name: Install the cron job that manages log files rotation
|
||||
template: src=mongo_log_rotate.sh.j2 dest=/etc/cron.daily/mongo_log_rotate owner=root group=root mode=0555
|
||||
tags: [ 'mongodb', 'mongo_logrotate' ]
|
||||
|
||||
- name: Ensure mongodb is started
|
||||
service: name=mongod state=started enabled=yes
|
||||
when: ( mongodb_start_server is defined ) and ( mongodb_start_server == 'yes' ) and ( mongodb_install_conf )
|
||||
tags: mongodb
|
||||
|
||||
- name: Ensure mongod is stopped and disabled
|
||||
service: name=mongod state=stopped enabled=no
|
||||
when: ( mongodb_start_server is defined ) and ( mongodb_start_server == 'no' ) and ( mongodb_install_conf )
|
||||
tags: mongodb
|
||||
|
||||
- include: mongodb.yml
|
||||
- include: ganglia-plugin.yml
|
||||
when: ganglia_enabled
|
||||
|
|
|
|||
|
|
@ -0,0 +1,55 @@
|
|||
---
|
||||
- name: Install the mongodb apt key
|
||||
#apt_key: id=7F0CEB10 state=present
|
||||
raw: apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv 7F0CEB10
|
||||
when: mongodb_install_from_external_repo
|
||||
tags: mongodb
|
||||
|
||||
- name: Install the mongodb repository
|
||||
copy: content="deb http://downloads-distro.mongodb.org/repo/ubuntu-upstart dist 10gen" dest=/etc/apt/sources.list.d/mongodb.list owner=root group=root mode=044
|
||||
when: mongodb_install_from_external_repo
|
||||
register: external_repo
|
||||
tags: mongodb
|
||||
|
||||
- name: Install the latest version of mongodb server
|
||||
apt: pkg={{ item }} state={{ mongodb_pkg_state }} update_cache=yes
|
||||
with_items:
|
||||
- mongodb-org
|
||||
when:
|
||||
- mongodb_install_from_external_repo
|
||||
- mongodb_install_packages
|
||||
tags: mongodb
|
||||
|
||||
- name: Install the mongodb defaults file
|
||||
copy: content="ENABLE_MONGODB={{ mongodb_start_server }}" dest=/etc/default/mongodb owner=root group=root mode=0444
|
||||
when: mongodb_install_conf
|
||||
tags: mongodb
|
||||
|
||||
- name: Create the mongodb db directory
|
||||
file: dest={{ mongodb_dbpath }} state=directory owner={{ mongodb_user }} group={{ mongodb_group }} mode=0755
|
||||
when: mongodb_install_conf
|
||||
tags: mongodb
|
||||
|
||||
- name: Create the mongodb log directory
|
||||
file: dest={{ mongodb_logdir }} state=directory owner={{ mongodb_user }} group={{ mongodb_group }} mode=0755
|
||||
when: mongodb_install_conf
|
||||
tags: mongodb
|
||||
|
||||
- name: Install the mongodb 2.6 configuration
|
||||
template: src=mongod-2.6.conf.j2 dest=/etc/mongod.conf owner=root group=root mode=0444
|
||||
when: mongodb_install_conf
|
||||
tags: mongodb
|
||||
|
||||
- name: Install the cron job that manages log files rotation
|
||||
template: src=mongo_log_rotate.sh.j2 dest=/etc/cron.daily/mongo_log_rotate owner=root group=root mode=0555
|
||||
tags: [ 'mongodb', 'mongo_logrotate' ]
|
||||
|
||||
- name: Ensure mongodb is started
|
||||
service: name=mongod state=started enabled=yes
|
||||
when: ( mongodb_start_server is defined ) and ( mongodb_start_server == 'yes' ) and ( mongodb_install_conf )
|
||||
tags: mongodb
|
||||
|
||||
- name: Ensure mongod is stopped and disabled
|
||||
service: name=mongod state=stopped enabled=no
|
||||
when: ( mongodb_start_server is defined ) and ( mongodb_start_server == 'no' ) and ( mongodb_install_conf )
|
||||
tags: mongodb
|
||||
|
|
@ -0,0 +1,109 @@
|
|||
modules {
|
||||
module {
|
||||
name = "mongodb"
|
||||
language = "python"
|
||||
param server_status {
|
||||
value = "mongo --quiet --eval 'printjson(db.serverStatus())'"
|
||||
}
|
||||
param rs_status {
|
||||
value = "mongo --quiet --eval 'printjson(rs.status())'"
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
collection_group {
|
||||
collect_every = 30
|
||||
time_threshold = 90
|
||||
metric {
|
||||
name = "mongodb_opcounters_insert"
|
||||
title = "Inserts"
|
||||
}
|
||||
metric {
|
||||
name = "mongodb_opcounters_query"
|
||||
title = "Queries"
|
||||
}
|
||||
metric {
|
||||
name = "mongodb_opcounters_update"
|
||||
title = "Updates"
|
||||
}
|
||||
metric {
|
||||
name = "mongodb_opcounters_delete"
|
||||
title = "Deletes"
|
||||
}
|
||||
metric {
|
||||
name = "mongodb_opcounters_getmore"
|
||||
title = "Getmores"
|
||||
}
|
||||
metric {
|
||||
name = "mongodb_opcounters_command"
|
||||
title = "Commands"
|
||||
}
|
||||
metric {
|
||||
name = "mongodb_backgroundFlushing_flushes"
|
||||
title = "Flushes"
|
||||
}
|
||||
metric {
|
||||
name = "mongodb_mem_mapped"
|
||||
title = "Memory-mapped Data"
|
||||
}
|
||||
metric {
|
||||
name = "mongodb_mem_virtual"
|
||||
title = "Process Virtual Size"
|
||||
}
|
||||
metric {
|
||||
name = "mongodb_mem_resident"
|
||||
title = "Process Resident Size"
|
||||
}
|
||||
metric {
|
||||
name = "mongodb_extra_info_page_faults"
|
||||
title = "Page Faults"
|
||||
}
|
||||
metric {
|
||||
name = "mongodb_globalLock_ratio"
|
||||
title = "Global Write Lock Ratio"
|
||||
}
|
||||
metric {
|
||||
name = "mongodb_indexCounters_btree_miss_ratio"
|
||||
title = "BTree Page Miss Ratio"
|
||||
}
|
||||
metric {
|
||||
name = "mongodb_globalLock_currentQueue_total"
|
||||
title = "Total Operations Waiting for Lock"
|
||||
}
|
||||
metric {
|
||||
name = "mongodb_globalLock_currentQueue_readers"
|
||||
title = "Readers Waiting for Lock"
|
||||
}
|
||||
metric {
|
||||
name = "mongodb_globalLock_currentQueue_writers"
|
||||
title = "Writers Waiting for Lock"
|
||||
}
|
||||
metric {
|
||||
name = "mongodb_globalLock_activeClients_total"
|
||||
title = "Total Active Clients"
|
||||
}
|
||||
metric {
|
||||
name = "mongodb_globalLock_activeClients_readers"
|
||||
title = "Active Readers"
|
||||
}
|
||||
metric {
|
||||
name = "mongodb_globalLock_activeClients_writers"
|
||||
title = "Active Writers"
|
||||
}
|
||||
metric {
|
||||
name = "mongodb_connections_current"
|
||||
title = "Open Connections"
|
||||
}
|
||||
metric {
|
||||
name = "mongodb_connections_current_ratio"
|
||||
title = "Open Connections"
|
||||
}
|
||||
metric {
|
||||
name = "mongodb_slave_delay"
|
||||
title = "Replica Set Slave Delay"
|
||||
}
|
||||
metric {
|
||||
name = "mongodb_asserts_total"
|
||||
title = "Asserts per Second"
|
||||
}
|
||||
}
|
||||
Loading…
Reference in New Issue