Elasticsearch

Install and configure Elasticsearch.

Requirements

None.

Role Variables

Select which version of Elasticsearch should be installed (0.90, 1.0 to 1.7, 2.0 to 2.4, 5.0 to 5.4):

elasticsearch_version: 1.7

Select the prefered state of the package (present or latest):

elasticsearch_state: present

These configuration variables are used to create /etc/elasticsearch/elasticsearch.yml:

elasticsearch_cluster_name: elasticsearch

elasticsearch_node_name: ~
elasticsearch_node_master: true
elasticsearch_node_data: true
elasticsearch_node_rack: ~
elasticsearch_node_max_local_storage_nodes: ~

elasticsearch_index_number_of_shards: 5
elasticsearch_index_number_of_replicas: 1

elasticsearch_path_conf: ~
elasticsearch_path_data: ~
elasticsearch_path_work: ~
elasticsearch_path_logs: ~
elasticsearch_path_plugins: ~

elasticsearch_plugin_mandatory: ~

elasticsearch_bootstrap_mlockall: false

elasticsearch_network_bind_host: ~
elasticsearch_network_publish_host: ~
elasticsearch_network_host: "{{ ansible_eth0.ipv4.address }}"
elasticsearch_transport_tcp_port: 9300
elasticsearch_transport_tcp_compress: true

elasticsearch_http_enabled: true
elasticsearch_http_port: 9200
elasticsearch_http_max_content_length: 100mb
elasticsearch_http_host: ~
elasticsearch_http_bind_host: ~
elasticsearch_http_publish_host: ~
elasticsearch_http_compression: ~
elasticsearch_http_compression_level: ~

elasticsearch_http_cors_enabled: false
elasticsearch_http_cors_allow_origin: ~
elasticsearch_http_cors_max_age: ~
elasticsearch_http_cors_allow_methods: ~
elasticsearch_http_cors_allow_headers: ~
elasticsearch_http_cors_allow_credentials: ~

elasticsearch_gateway_type: local
elasticsearch_gateway_recover_after_nodes: 1
elasticsearch_gateway_recover_after_time: 5m
elasticsearch_gateway_expected_nodes: 2

elasticsearch_cluster_routing_allocation_node_initial_primaries_recoveries: ~
elasticsearch_cluster_routing_allocation_node_concurrent_recoveries: ~
elasticsearch_indices_recovery_max_bytes_per_sec: ~
elasticsearch_indices_recovery_concurrent_streams: ~

elasticsearch_discovery_zen_minimum_master_nodes: ~
elasticsearch_discovery_zen_ping_timeout: ~
elasticsearch_discovery_zen_ping_multicast_enabled: ~
elasticsearch_discovery_zen_ping_unicast_hosts: ~

elasticsearch_index_search_slowlog_threshold_query_warn: ~
elasticsearch_index_search_slowlog_threshold_query_info: ~
elasticsearch_index_search_slowlog_threshold_query_debug: ~
elasticsearch_index_search_slowlog_threshold_query_trace: ~
elasticsearch_index_search_slowlog_threshold_fetch_warn: ~
elasticsearch_index_search_slowlog_threshold_fetch_info: ~
elasticsearch_index_search_slowlog_threshold_fetch_debug: ~
elasticsearch_index_search_slowlog_threshold_fetch_trace: ~
elasticsearch_index_indexing_slowlog_threshold_index_warn: ~
elasticsearch_index_indexing_slowlog_threshold_index_info: ~
elasticsearch_index_indexing_slowlog_threshold_index_debug: ~
elasticsearch_index_indexing_slowlog_threshold_index_trace: ~

monitor_jvm_gc_young_warn: ~
monitor_jvm_gc_young_info: ~
monitor_jvm_gc_young_debug: ~
monitor_jvm_gc_old_warn: ~
monitor_jvm_gc_old_info: ~
monitor_jvm_gc_old_debug: ~

This variable controls which template is used to create /etc/elasticsearch/logging.yml:

elasticsearch_logging_template: logging.yml.j2

Dependencies

Elasticsearch needs a Java Runtime Environment (JRE):

• geerlingguy.java

Example Playbook

- hosts: servers
  roles:
     - { role: f500.elasticsearch, elasticsearch_cluster_name: "my elasticsearch cluster" }

License

LGPLv3

Author Information

Jasper N. Brouwer, jasper@nerdsweide.nl

Ramon de la Fuente, ramon@delafuente.nl