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Ansible Beats Role
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README.md

ansible-beats

Build Status Ansible Galaxy

This role provides a generic means of installing Elastic supported Beats

Tested Beats

  • Filebeat
  • MetricBeat (TopBeat in 1.x)
  • Packetbeat

Tested Versions

  • 7.x
  • 6.x

Tested Platforms

  • Ubuntu 14.04
  • Ubuntu 16.04
  • Ubuntu 18.04
  • Debian 8
  • Debian 9
  • CentOS 6
  • CentOS 7

Usage

Create your Ansible playbook with your own tasks, and include the role beats. You will have to have this repository accessible within the context of playbook.

ansible-galaxy install elastic.beats,7.0.0

Then create your playbook yaml adding the role beats. The application of the beats role results in the installation of a node on a host.

The simplest configuration therefore consists of:

  hosts: localhost
  roles:
    - role: elastic.beats
  vars:
    beats_version: 7.0.0
    beat: filebeat
    beat_conf:
      inputs:
        - type: log
          enabled: true
          paths:
            - /var/log/*.log

The above installs Filebeat 7.0.0 on the hosts 'localhost'.

Notes:

  • Beats default version is described in beats_version. You can override this variable in your playbook to install another version. While we are testing this role only with one 7.x and one 6.x version (respectively 7.0.0 and 6.7.1 at the time of writing), this role should work with others version also in most cases.
  • Beat product is described in beat variable. While currently tested Beats are Filebeat, Metricbeat & Packetbeat, this role should work also with other member of The Beats Family in most cases.

Testing

This playbook uses Kitchen for CI and local testing.

Requirements

  • Ruby
  • Bundler
  • Docker
  • Make

Running the tests

To converge an Ubuntu 18.04 host

$ make converge

To run the tests

$ make verify

To list all of the different test suits

$ make list

The default test suite is Ubuntu 18.04. If you want to test another suite you can override this with the PATTERN variable

$ make converge PATTERN=standard-centos-7

The PATTERN is a kitchen pattern which can match multiple suites. To run all tests for CentOS

$ make converge PATTERN=centos-7

When you are finished testing you can clean up everything with

$ make destroy-all

Basic Beats configuration

All Betas configuration parameters are supported. This is achieved using a configuration map parameter beat_conf which is serialized into the ${beat}.yml file. The use of a map ensures the Ansible playbook does not need to be updated to reflect new/deprecated/plugin configuration parameters.

In addition to the beat_conf map, several other parameters are supported for additional functions e.g. script installation. These can be found in the role's defaults/main.yml file.

The following illustrates applying configuration parameters to Packetbeat instance.

- name: Example playbook for installing packetbeat
  hosts: localhost
  roles:
    - { role: beats, beat: "packetbeat",
        beat_conf: {
          "interfaces": {"device":"any"},
          "protocols": {
            "dns": {
              "ports": [53],
              "include_authorities":true
            },
            "http": {
              "ports": [80, 8080, 8000, 5000, 8002]
            },
            "memcache": {
              "ports": [11211]
            },
            "mysql": {
              "ports": [3306]
            },
            "pgsql": {
              "ports": [5432]
            },
            "redis": {
              "ports": [6379]
            },
            "thrift": {
              "ports": [9090]
            },
            "mongodb": {
              "ports": [27017]
            }
          }
        },
        output_conf : {
          "elasticsearch": {
            "hosts": ["localhost:9200"]
          }
        }
    }
  vars:
    use_repository: "true"

Additional Configuration

Supported variables are as follows:

  • beat (MANDATORY): Beat product. Supported values are: "filebeat", "metricbeat" & "packetbeat" (others beats from The Beats Family should work in most cases but aren't currently tested).
  • beat_conf (MANDATORY): Beat Configuration. Should be defined as a map.
  • beats_version (Defaults to 7.0.0): Beats version.
  • version_lock (Defaults to false): Locks the installed version if set to true, thus preventing other processes from updating. This will not impact the roles ability to update the beat on subsequent runs (it unlocks and re-locks if required).
  • use_repository (Defaults to true): Use elastic repo for yum or apt if true. If false, a custom custom_package_url must be provided.
  • start_service (Defaults to true): service will be started if true, false otherwise.
  • restart_on_change (Defaults to true): Changes to configuration or installed versions, will result in a restart if true.
  • daemon_args (Applicable to version 1.x of beats): Allows run time params to be passed to beats.
  • logging_conf (Defaults to {"files":{"rotateeverybytes":10485760}}): Logging configuration. Should be defined as a map. Map is serialized into logging section of beat config.
  • shipper_conf (Applicable to version 1.x of beats): Shipper configuration. Should be defined as a map . Map is serialized into shipper section of beat config.
  • output_conf (Defaults to {"elasticsearch":{"hosts":["localhost:9200"]}}): Output configuration. Map is serialized into output section of beat config.
  • beats_pid_dir (Defaults to /var/run): Location of beats pid file.
  • beats_conf_dir (Defaults to /etc/{beat}): Location of conf directory for beats configuration file.

License

Apache 2.0

Limitations

Multiple instances of the same beat cannot be installed on the same target server.

Questions on Usage

We welcome questions on how to use the role. However, in order to keep the GitHub issues list focused on "issues" we ask the community to raise questions at https://discuss.elastic.co/c/beats. This is monitored by the maintainers.

Community Contributions always appreciated and welcome! Please ensure all contributions include tests as appropriate.

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