Riemann Feeds blog_feed_jmx0

blog_feed_jmx0.rb

#!/usr/bin/jruby

# riemann feeds

# A simple JMX feed monitoring the Hadoop YARN NameNode

require 'riemann-feeds' # bootstrap reieman feeds

#$DEBUG = true # force diags

# Create the 'external' configuration hashes

config_riemann = {riemann_host: '10.16.0.64', riemann_port: 5555, riemann_interval: 10}

credentials_jmx = {jmx_user: 'monitorRole', jmx_pass: 'monitorpass'}

jmxconfig_namenode = {jmx_host: '10.16.0.48', jmx_port: 8004}

# Create the feed specification

# Note the include_configuration array 'pulls in' the ('external') hashes.

feedspec_namenode = {
  type: :JMX,
  name: 'YARN NameNode',
  configuration:
  { include_configuration: [credentials_jmx,
                            jmxconfig_namenode,
                            config_riemann,
                            ],
    event_defaults: {
      service: 'NameNode',
      status: 'ok',
      tags: ['YARN', 'NameNode'],
    },
    beans: ["Hadoop:service=NameNode,name=NameNodeActivity",
            "java.lang:type=OperatingSystem"
           ]
  }
}

# Make a feed handler

feed_handler = Riemann::Feeds::FeedHandler.new

# Show the feed to the handler

feed_handler.import_feed_or_croak(feedspec_namenode)

# Now tell the handler to run the feed

feed_handler.run_feed