Ansible role: Logstash

Install and configure logstash

Requirements

• Ansible >= 2.7
• Debian Stretch and Buster

Role variables

• logstash_major_version set major version to install- (default: 7)
• logstash_plugins - array with the plugins to install

  - name: logstash-output-influxdb
    state: present

• logstash_config - hash with the configuration (see logstash documentation)

  path.data: /var/lib/logstash
  path.logs: /var/log/logstash

• logstash_inputs - hash with the inputs configurations

  file:
    path: /var/log/syslog
  beats:
    port: 5444

• logstash_outputs - array with the outputs configuration

  - >
    file {
      path => "/var/log/syslog"
      codec => "json"
    }

• logstash_filters - array with the filters configuration

  - >
    grok {
      match => { "message" => "%{IP:client} %{WORD:method} %{URIPATHPARAM:request} %{NUMBER:bytes} %{NUMBER:duration}" }
    }

• logstash_pattern hash with grok patterns

  postfix: |
    # Syslog stuff
    PROCESS ([\w._\/%-]+)
    COMPID postfix\/%{PROCESS:process}(?:\[%{NUMBER:pid}\])?
    POSTFIX (?:%{SYSLOGTIMESTAMP:timestamp}|%{TIMESTAMP_ISO8601:timestamp8601}) (?:%{SYSLOGFACILITY} )?%{SYSLOGHOST:logsource} %{COMPID}:

How to use

- hosts: server
  roles:
    - logstash

Development

Test syntax with yamllint

• install python and python-pip
• install yamllint pip install yamllint
• run yamllint .

Test syntax with ansible-lint

• install python and python-pip
• install yamllint pip install ansible-lint
• run ansible-lint .

Tests with docker

• install docker
• install ruby
• install bundler gem install bundler
• install dependencies bundle install
• run the tests kitchen test

License

Copyright (c) 2019 Adrien Waksberg

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.