This project is no longer actively maintained. We recommend using the official ansible-elasticsearch repo which is a lot more comprehensive.
This is an Ansible playbook for Elasticsearch. You can use it by itself or as part of a larger playbook customized for your local environment.
- Support for installing plugins
- Support for installing and configuring EC2 plugin
- Support for installing custom JARs in the Elasticsearch classpath (e.g. custom Lucene Similarity JAR)
- Support for installing the Sematext SPM monitor
- Support for installing the Marvel plugin
Install ansible-elasticsearch via ansible galaxy:
ansible-galaxy install gpstathis.elasticsearch
A sample Vagrant configuration is provided to help with local testing. After installing Vagrant, run vagrant up at the root of the project to get an VM instance bootstrapped and configured with a running instance of Elasticsearch. Look at vars/vagrant.yml and defaults/main.yml for the variables that will be substituted in templates/elasticsearch.yml.j2.
Make copies of the following files and rename them to suit your environment. E.g.:
- vagrant-main.yml => my-playbook-main.yml
- vagrant-inventory.ini => my-inventory.ini
- vars/vagrant.yml => vars/my-vars.yml
Edit the copied files to suit your environment and needs. See examples below.
Edit your my-inventory.ini and customize your cluster and node names:
#########################
# Elasticsearch Cluster #
#########################
[es_node_1]
1.2.3.4.compute-1.amazonaws.com
[es_node_1:vars]
elasticsearch_node_name=elasticsearch-1
[es_node_2]
5.6.7.8.compute-1.amazonaws.com
[es_node_2:vars]
elasticsearch_node_name=elasticsearch-2
[es_node_3]
9.10.11.12.compute-1.amazonaws.com
[es_node_3:vars]
elasticsearch_node_name=elasticsearch-3
[all_nodes:children]
es_node_1
es_node_2
es_node_3
[all_nodes:vars]
elasticsearch_cluster_name=my.elasticsearch.cluster
elasticsearch_plugin_aws_ec2_groups=MyElasticSearchGroup
spm_client_token=<your SPM token here>
See vars/sample.yml and vars/vagrant.yml for example variable files. These are the files where you specify Elasticsearch settings and apply certain features such as plugins, custom JARs or monitoring. The best way to enable configurations is to look at templates/elasticsearch.yml.j2 and see which variables you want to defile in your vars/my-vars.yml. See below for configurations regarding EC2, plugins and custom JARs.
Example my-playbook-main.yml:
---
#########################
# Elasticsearch install #
#########################
- hosts: all_nodes
user: $user
sudo: yes
vars_files:
- defaults/main.yml
- vars/my-vars.yml
tasks:
- include: tasks/main.yml
$ ansible-playbook my-playbook-main.yml -i my-inventory.ini -e user=<your sudo user for the elasticsearch installation>
The following variables need to be defined in your playbook or inventory:
- elasticsearch_plugin_aws_version
See https://github.com/elasticsearch/elasticsearch-cloud-aws for the version that most accurately matches your installation.
The following variables provide a for now limited configuration for the plugin. More options may be available in the future (see http://www.elasticsearch.org/guide/en/elasticsearch/reference/current/modules-discovery-ec2.html)):
- elasticsearch_plugin_aws_ec2_groups
- elasticsearch_plugin_aws_ec2_ping_timeout
- elasticsearch_plugin_aws_access_key
- elasticsearch_plugin_aws_secret_key
- elasticsearch_plugin_aws_region
You will need to define an array called elasticsearch_plugins in your playbook or inventory, such that:
elasticsearch_plugins:
- { name: '<plugin name>', url: '<[optional] plugin url>' }
- ...
where if you were to install the plugin via bin/plugin, you would type:
bin/plugin -install <plugin name> or bin/plugin -install <plugin name> -url <plugin url>
Example for https://github.com/elasticsearch/elasticsearch-mapper-attachments (bin/plugin -install elasticsearch/elasticsearch-mapper-attachments/1.9.0):
elasticsearch_plugins:
- { name: 'elasticsearch/elasticsearch-mapper-attachments/1.9.0' }
Example for https://github.com/richardwilly98/elasticsearch-river-mongodb (bin/plugin -i com.github.richardwilly98.elasticsearch/elasticsearch-river-mongodb/1.7.1):
elasticsearch_plugins:
- { name: 'com.github.richardwilly98.elasticsearch/elasticsearch-river-mongodb/1.7.1' }
Example for https://github.com/imotov/elasticsearch-facet-script (bin/plugin -install facet-script -url http://dl.bintray.com/content/imotov/elasticsearch-plugins/elasticsearch-facet-script-1.1.2.zip):
elasticsearch_plugins:
- { name: 'facet-script', url: 'http://dl.bintray.com/content/imotov/elasticsearch-plugins/elasticsearch-facet-script-1.1.2.zip' }
Custom jars are made available to the Elasticsearch classpath by being downloaded into the elasticsearch_home_dir/lib folder. An example of a custom jar can include a custom Lucene Similarity Provider. You will need to define an array called elasticsearch_custom_jars in your playbook or inventory, such that:
elasticsearch_custom_jars:
- { uri: '<URL where JAR can be downloaded from: required>', filename: '<alternative name for final JAR if different from file downladed: leave blank to use same filename>', user: '<BASIC auth username: leave blank of not needed>', passwd: '<BASIC auth password: leave blank of not needed>' }
- ...
Elasticsearch thread pools can be configured using the elasticsearch_thread_pools list variable:
elasticsearch_thread_pools:
- "threadpool.bulk.type: fixed"
- "threadpool.bulk.size: 50"
- "threadpool.bulk.queue_size: 1000"
Enable the SPM task in your playbook:
tasks:
- include: tasks/spm.yml
- ...
Set the spm_client_token variable in your inventory.ini to your SPM key.
The following variables need to be defined in your playbook or inventory:
- elasticsearch_plugin_marvel_version
The following variables provide configuration for the plugin. More options may be available in the future (see http://www.elasticsearch.org/guide/en/marvel/current/#stats-export):
- elasticsearch_plugin_marvel_agent_enabled
- elasticsearch_plugin_marvel_agent_exporter_es_hosts
- elasticsearch_plugin_marvel_agent_indices
- elasticsearch_plugin_marvel_agent_interval
- elasticsearch_plugin_marvel_agent_exporter_es_index_timeformat
If you prefer to skip the built-in installation of the Oracle JRE, use the elasticsearch_install_java flag:
elasticsearch_install_java: "false"
Assuming your playbook structure is such as:
- my-master-playbook
|- vars
|- roles
|- my-master-playbook-main.yml
\- my-master-inventory.ini
Checkout this project as a submodule under roles:
$ cd roles
$ git submodule add git://github.com/traackr/ansible-elasticsearch.git ./ansible-elasticsearch
$ git submodule update --init
$ git commit ./submodule -m "Added submodule as ./subm"
Example my-master-playbook-main.yml:
---
#########################
# Elasticsearch install #
#########################
- hosts: all_nodes
user: ubuntu
sudo: yes
roles:
- ansible-elasticsearch
vars_files:
- vars/my-vars.yml
This software is provided as is. Having said that, if you see an issue, feel free to log a ticket. We'll do our best to address it. Same if you want to see a certain feature supported in the fututre. No guarantees are made that any requested feature will be implemented. If you'd like to contribute, feel free to clone and submit a pull request.
None
MIT
George Stathis - gstathis [at] traackr.com
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