# Ansible role: Elasticsearch

[![Version](https://img.shields.io/badge/latest_version-1.1.0-green.svg)](https://git.yaegashi.fr/nishiki/ansible-role-elasticsearch/releases)
[![License](https://img.shields.io/badge/license-Apache--2.0-blue.svg)](https://git.yaegashi.fr/nishiki/ansible-role-elasticsearch/src/branch/master/LICENSE)

Install and configure Elasticsearch

## Requirements

* Ansible >= 2.7
* Debian Stretch and Buster

## Role variables

* `elasticsearch_heap_size` - set the heap size (default: `1g`)
* `elasticsearch_config` - hash with the configuration (see [elasticsearch documentation](https://www.elastic.co/guide/en/elasticsearch/reference/current/settings.html))

```
  path.data: /var/lib/elasticsearch
  path.logs: /var/log/elasticsearch
```

* `elasticsearch_index_templates` - hash with the index templates configuration

```
  logstash:
    index_patterns:
      - 'logstash-*'
    settings:
      index:
        number_of_replicas: 3
    mappings:
      metric:
        type: short
      date:
        type: date
        format: YYYY-MM-dd
```

* `elasticsearch_ilm_policies` - hash with the ilm policies configuration

```
  autoclean:
    delete:
      min_age: 30d
      actions:
        delete: {}
```

## How to use

```
- hosts: server
  roles:
    - elasticsearch
```

## Development

### Test with molecule and docker

* install [docker](https://docs.docker.com/engine/installation/)
* install `python3` and `python3-pip`
* install molecule and dependencies `pip3 install molecule 'molecule[docker]' ansible-lint testinfra yamllint`
* run `molecule 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.
```