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Role Name

An Ansible role that Installs/configures Logstash

Requirements

Default config if config_logstash=true is to open tcp/udp 10514 because ports < 1024 require root access. Configure clients to send to udp/tcp 10514. You can configure rsyslog to listen on tcp/udp 514 and redirect rsyslog to send to localhost on tcp/udp 10514 to accomodate clients which cannot send to a different port. See example below:

/etc/rsyslog.d/50-default.conf

tcp

*.* @@localhost:10514

udp

*.* @localhost:10514

Vagrant

Spin up a Vagrant test environment

vagrant up

When done testing you can tear-down

./cleanup.sh

Role Variables

---
# defaults file for ansible-logstash
clear_logstash_config: false  #defines if logstash_config_dir should be cleared out
config_logstash: false  #defines if logstash should be configured
logstash_config_dir: '/etc/logstash/conf.d'
logstash_base_configs:
  - '000_inputs'
#  - '001_filters'
#  - '002_metrics'  #comment out if metrics for logstash processing are not required..good for keeping track of throughput...removed because of incompatabilities w/ES 2.x
  - '999_outputs'
logstash_base_file_inputs:
  - path: '/var/log/nginx/access.log'
    type: 'nginx-access'
  - path: '/var/log/nginx/error.log'
    type: 'nginx-error'
  - path: '/var/log/mail.log'
    type: 'postfix-log'
  - path: '/var/log/redis/redis-server.log'
    type: 'redis-server'
logstash_base_inputs:  #define inputs below to configure
  - prot: 'tcp'
    port: '10514'  #gets around port < 1024 (Note...Configure clients to send to 10514 instead of default 514)
    type: 'syslog'
  - prot: 'udp'
    port: '10514'  #gets around port < 1024 (Note...Configure clients to send to 10514 instead of default 514)
    type: 'syslog'
#  - type: 'beats'
#    port: '5044'
#  - type: redis
#    batch_count: '1000'
#    host: '{{ logstash_server_fqdn }}'
#    threads: '2'
#  - type: 'syslog'
#    port: '514'  #reminder....ports < 1024 require root access..
logstash_base_outputs:
  - output: 'redis'
    output_host: '{{ logstash_server_fqdn }}'
logstash_deb_repo: 'deb https://packages.elastic.co/logstash/{{ logstash_major_ver }}/debian stable main'
logstash_folder: '/opt/logstash'
logstash_log_dir: '/var/log/logstash'
logstash_major_ver: '2.4'  # Define major version to install
logstash_minor_ver: '1:2.4.0-1'  # Define minor version to install
logstash_plugins:
#  - 'logstash-codec-nmap'
  - 'logstash-filter-elasticsearch'
  - 'logstash-filter-json_encode'
  - 'logstash-filter-translate'
#  - 'logstash-filter-zeromq'
  - 'logstash-input-beats'
#  - 'logstash-output-jira'
  - 'logstash-output-slack'
logstash_repo_key: 'https://packages.elastic.co/GPG-KEY-elasticsearch'
logstash_repo_url: 'http://packages.elastic.co/logstash'
logstash_server_fqdn: 'logstash.{{ pri_domain_name }}'  #defines logstash server to send to...fqdn or localhost
pri_domain_name: 'example.org'

Dependencies

None

Example Playbook

  • GitHub
---
- hosts: all
  sudo: true
  vars:
    - config_logstash: true
  roles:
    - role: ansible-logstash
  tasks:
  • Galaxy
---
- hosts: all
  sudo: true
  vars:
    - config_logstash: true
  roles:
    - role: mrlesmithjr.logstash
  tasks:

License

BSD

Author Information

Larry Smith Jr.