mirror of
https://github.com/munin-monitoring/contrib.git
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76 lines
2.3 KiB
Plaintext
76 lines
2.3 KiB
Plaintext
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#!/usr/bin/env python
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"""
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MongoDB Replication Lag
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~~~~~~~~~~~~~~~~~~~~~~~
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Connects to a single mongo instance and retrieve
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replication lag for all connected members.
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munin-node.conf:
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[mongodb_lag]
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env.host 127.0.0.1
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env.port 27017
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:author: Stefan Andersen <stefan@stefanandersen.dk>
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:license: The Beer Ware License (Revision 42)
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<stefan@stefanandersen.dk> wrote this file. As long
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as you retain this notice you can do whatever you want
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with this stuff. If we meet some day, and you think
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this stuff is worth it, you can buy me a beer in return.
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"""
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import os
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import sys
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import pymongo
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def _get_members():
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host = os.environ.get('host', '127.0.0.1')
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port = os.environ.get('port', 27017)
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conn = pymongo.Connection(host)
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repl_status = conn.admin.command("replSetGetStatus")
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members = {}
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for member in repl_status['members']:
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name = member['name'].split('.')[0]
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members[name] = {'state': member['state'], 'optimeDate': member['optimeDate']}
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return members
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def run():
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members = _get_members();
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for member in members:
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if members[member]['state'] == 1:
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primary_optime = members[member]['optimeDate']
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for member in members:
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members[member]['lag'] = (primary_optime - members[member]['optimeDate']).seconds
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print "multigraph mongodb_replication_lag"
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for member in members:
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print "{}_lag.value {}".format(member, members[member]['lag'])
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print
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for member in members:
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print "multigraph mongodb_replication_lag.{}".format(member)
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print "lag.value {}".format(members[member]['lag'])
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print
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def config():
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print """graph_title MongoDB replication lag
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graph_args --base 1000
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graph_vlabel Replication lag (seconds)
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graph_category MongoDB
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"""
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for member in _get_members():
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print "{0}_lag.label {0}".format(member)
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print "{}_lag.type GAUGE".format(member)
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print "{}_lag.info Replication lag behind master".format(member)
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print "{}_lag.min 0".format(member)
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print "{}_lag.draw LINE1".format(member)
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print
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if __name__ == "__main__":
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if len(sys.argv) > 1 and sys.argv[1] == "config":
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config()
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else:
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run()
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