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JMX exporter configuration

To enable jmx_exporter include role task: jmx_exporter

The jmx_exporter is different from most exporters in that it isn't a daemon, it is a library that is included with your java instances.

Normal usage of this exporter has two or three steps:

  1. (Optional) configure an exporter configuration file, examples are found in the jmx_exporter examples

  2. Update the java run parameters to include the jmx JAR, see jmx_exporter:

    java -javaagent: -javaagent:/opt/prometheus/exporters/jmx_exporter/active/jmx_exporter.jar=18888:/opt/prometheus/etc/jmx_exporter.default.yml -jar yourJar.jar

  3. (Optional) configure the JMX exporter to automatically create tgroup files for the JMX service(s):

     prometheus_additional_exporters:
   - name: Tomcat application 1
     port: 18888
     labels: {}
   - name: Tomcat application 2
     port: 18889
     labels:
       org: Billing

The configuration content. The example below utilizes a file named 'jmx_exporter.yml' in your Ansible root directory's 'files' directory. If no configuration content is defined, a default configuration file is utilized. You will want to customize your configuration file content!:

prometheus_jmx_exporter_cfgs:
  elasticsearch: "{{ lookup('file', '../../files/prometheus/jmx.elasticsearch.yml') | from_yaml }}"
  puppet: "{{ lookup('file', '../../files/prometheus/jmx.puppet.yml') | from_yaml }}"

The version of jmx_exporter to install. The default version can be found in the jmx_exporter variables file and the default version can be overridden using the following variable:

prometheus_jmx_exporter_version: "v1.0.0"

Allow the use of prerelease versions (beta, test, development, etc versions), defaults to 'false':

prometheus_jmx_exporter_use_prerelease: true

The JMX configuration file mode defaults to 0640 and can be customized:

prometheus_jmx_exporter_cfg_mode: 0644