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#!/usr/bin/env python
import time
import plugins
from pymongo import MongoClient
class Plugin(plugins.BasePlugin):
__name__ = 'mongodb'
def run(self, config):
"""
Mongodb monitoring
"""
client = MongoClient(config.get('mongodb', 'connection_string'))
db = client.admin
statistics = db.command("serverStatus")
prev_cache = self.get_agent_cache() # Get absolute values from previous check
data = {}
results = {}
# replication status
try:
results['isprimary'] = 0 if statistics['repl']['ismaster'] is False else 1
results['members'] = len(statistics['repl']['hosts'])
except:
pass
# transactions stats, available in v3.6.3 and up
try:
data['transactions-retriedCommandsCount'] = statistics['transactions']['retriedCommandsCount']
data['transactions-retriedStatementsCount'] = statistics['transactions']['retriedStatementsCount']
data['transactions-transactionsCollectionWriteCount'] = statistics['transactions']['transactionsCollectionWriteCount']
data['transactions-totalAborted'] = statistics['transactions']['totalAborted']
data['transactions-totalCommitted'] = statistics['transactions']['totalCommitted']
data['transactions-totalStarted'] = statistics['transactions']['totalStarted']
results['transactions-currentActive'] = statistics['transactions']['currentActive']
results['transactions-currentInactive'] = statistics['transactions']['currentInactive']
results['transactions-currentOpen'] = statistics['transactions']['currentOpen']
except:
pass
data['connections.totalCreated'] = statistics['connections']['totalCreated']
results['connections.available'] = statistics['connections']['available']
results['connections.current'] = statistics['connections']['current']
data['opcounters.command'] = statistics['opcounters']['command']
data['opcounters.delete'] = statistics['opcounters']['delete']
data['opcounters.getmore'] = statistics['opcounters']['getmore']
data['opcounters.insert'] = statistics['opcounters']['insert']
data['opcounters.query'] = statistics['opcounters']['query']
data['opcounters.update'] = statistics['opcounters']['update']
data['opLatencies.commands.latency'] = statistics['opLatencies']['commands']['latency']
data['opLatencies.commands.ops'] = statistics['opLatencies']['commands']['ops']
data['opLatencies.reads.latency'] = statistics['opLatencies']['reads']['latency']
data['opLatencies.reads.ops'] = statistics['opLatencies']['reads']['ops']
data['opLatencies.writes.latency'] = statistics['opLatencies']['writes']['latency']
data['opLatencies.writes.ops'] = statistics['opLatencies']['writes']['ops']
data['globalLock.currentQueue.total'] = statistics['globalLock']['currentQueue']['total']
data['globalLock.currentQueue.readers'] = statistics['globalLock']['currentQueue']['readers']
data['globalLock.currentQueue.writers'] = statistics['globalLock']['currentQueue']['writers']
data['globalLock.activeClients.total'] = statistics['globalLock']['activeClients']['total']
data['globalLock.activeClients.readers'] = statistics['globalLock']['activeClients']['readers']
data['globalLock.activeClients.writers'] = statistics['globalLock']['activeClients']['writers']
data['asserts.msg'] = statistics['asserts']['msg']
data['asserts.regular'] = statistics['asserts']['regular']
data['asserts.rollovers'] = statistics['asserts']['rollovers']
data['asserts.user'] = statistics['asserts']['user']
data['asserts.warning'] = statistics['asserts']['warning']
#deadlock stats
try:
for key, val in statistics['locks'].items():
for key2, val2 in val.items():
for key3, val3 in val2.items():
data['locks-{}-{}-{}'.format(key.lower(), key2, key3)] = val3
except:
pass
try:
data['opcountersRepl.command'] = statistics['opcountersRepl']['command']
data['opcountersRepl.delete'] = statistics['opcountersRepl']['delete']
data['opcountersRepl.getmore'] = statistics['opcountersRepl']['getmore']
data['opcountersRepl.insert'] = statistics['opcountersRepl']['insert']
data['opcountersRepl.query'] = statistics['opcountersRepl']['query']
data['opcountersRepl.update'] = statistics['opcountersRepl']['update']
except KeyError:
pass
for key, val in data.items():
results[key] = self.absolute_to_per_second(key, val, prev_cache)
try:
results['opLatencies.commands'] = results['opLatencies.commands.latency']/results['opLatencies.commands.ops']
results['opLatencies.writes'] = results['opLatencies.writes.latency']/results['opLatencies.writes.ops']
results['opLatencies.reads'] = results['opLatencies.reads.latency']/results['opLatencies.reads.ops']
except:
pass
next_cache = data
next_cache['ts'] = time.time()
self.set_agent_cache(next_cache)
results['mem.resident'] = statistics['mem']['resident']
results['mem.bits'] = statistics['mem']['bits']
results['mem.virtual'] = statistics['mem']['virtual']
results['mem.supported'] = 0 if statistics['mem']['supported'] is False else 1
return results
if __name__ == '__main__':
Plugin().execute()