The nagios-consul-plugin from eggzie

nagios-consul-plugin's Introduction

What is this?

This is a consul check integration plugin for nagios that makes easy to add nagios commands that queries and aggregates specific checks or services by node from a consul agent.

Returns 2 if there are any critical checks, 1 if there are no criticals but warnings. Returns 3 when node not found or when there is no matches based on the given filters (CheckID, ServiceName). Returns 0 on passing checks.

Example

Query the local consul agent for the serf health check of node named consul01 in datacenter dc01:

$ python check-consul-health.py node consul01 dc01 --CheckID=serfHealth
Passing: 1
> consul01::Serf Health Status:serfHealth:passing

Query for a specific service:

$ python check-consul-health.py node consul01 dc01 --ServiceName=raft
Passing: 2
> consul01:raft:Leader elected & operational:leader:passing
> consul01:raft:Peer list match:peers:passing

Install dependencies with pip

pip install -r requirements.txt

Usage

$ python check-consul-health.py -h
Usage: 
    check-consul-health.py node NODE DC
        [--addr=ADDR]
        [--CheckID=CheckID | --ServiceName=ServiceName]
        [--verbose]

Arguments:
    NODE  the consul node_name
    DC    the consul datacenter

Options:
    -h --help                  show this
    -v --verbose               verbose output
    --addr=ADDR                consul address [default: http://localhost:8500]
    --CheckID=CheckID          CheckID matcher
    --ServiceName=ServiceName  ServiceName matcher

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