Ansible Role 日志分析 之【elasticsearch】

Ansible Role: elasticsearch

安装elasticsearch集群

介绍

ElasticSearch是一个基于Lucene的搜索服务器。它提供了一个分布式多用户能力的全文搜索引擎，基于RESTful web接口。Elasticsearch是用Java开发的，并作为Apache许可条款下的开放源码发布，是当前流行的企业级搜索引擎。设计用于云计算中，能够达到实时搜索，稳定，可靠，快速，安装使用方便。

官方地址： https://www.elastic.co/products/elasticsearch
github: https://github.com/elastic/elasticsearch
官方文档地址：https://www.elastic.co/guide/en/elasticsearch/reference/current/index.html

要求

此角色仅在RHEL及其衍生产品上运行。

测试环境

ansible 2.3.0.0
os Centos 6.7 X64
python 2.6.6

角色变量

software_files_path: "/opt/software"
software_install_path: "/usr/local"

es_version: "5.4.1"

es_file: "elasticsearch-{{ es_version }}.tar.gz"
es_file_path: "{{ software_files_path }}/{{ es_file }}"
es_file_url: "https://artifacts.elastic.co/downloads/elasticsearch/{{ es_file }}"

es_user: elasticsearch
es_group: elasticsearch

es_http_host: "0.0.0.0"
es_http_port: 9200
es_transport_port: 9300

es_max_open_files: 165535
es_max_map_count: 262155
es_max_processes: 4096

es_service_name: "elasticsearch{% if es_http_port != 9200 %}{{ es_http_port }}{% endif %}"
es_service_start: false

es_home_dir: "/usr/local/elasticsearch"
es_pid_dir: "/var/run/elasticsearch"
es_log_dir: "/{{ es_service_name }}_data/logs"
es_conf_dir: "/{{ es_service_name }}_data/config"
es_data_dir: "/{{ es_service_name }}_data/data"
es_script_dir: "/{{ es_service_name }}_data/scripts"

es_cluster_name: ""
es_node_name: ""
es_node_rack: ""

es_unicast_hosts: ""
es_minimum_master_nodes: ""

es_scripts_fileglob: ""
es_install_plugins: []
es_config: ""

es_heap_ms: "1g"
es_heap_mx: "1g"
es_jvm_options: ""
es_java_home: ""
es_g1gc: false

es_node_data: false
es_node_master: false
es_node_ingest: false
es_node_client: false

依赖

java 1.8

github地址

https://github.com/kuailemy123/Ansible-roles/tree/master/elasticsearch

Example Playbook

#单机单实例,默认配置
- hosts: node1
  roles:
   - { role: java ,java_version: "1.8" }
   - role: elasticsearch
   

#单机多实例
- hosts: node1
  vars:
   - es_cluster_name: "Testes"
     es_unicast_hosts: '["192.168.77.129:9301","192.168.77.129:9302"]'
     es_minimum_master_nodes: 2
     es_heap_ms: "512m"
     es_heap_mx: "512m"
  roles:
   - { role: java ,java_version: "1.8" }
   - { role: elasticsearch, es_http_port: 9201, es_transport_port: 9301, es_node_name: "es_node1" }
   - { role: elasticsearch, es_http_port: 9202, es_transport_port: 9302, es_node_name: "es_node2" }

#自定义节点角色
- hosts: node1
  vars:
   - es_cluster_name: "Testes"
     es_unicast_hosts: '["192.168.77.129:9301","192.168.77.129:9302","192.168.77.129:9303"]'
     es_minimum_master_nodes: 1
     es_heap_ms: "512m"
     es_heap_mx: "512m"
     es_install_plugins:
       - x-pack
       - ingest-geoip
     es_service_start: true
  roles:
   - { role: java ,java_version: "1.8" }
   - { role: elasticsearch, es_http_port: 9201, es_transport_port: 9301, es_node_name: "es_node1", es_node_master: true, es_node_ingest: true }
   - { role: elasticsearch, es_http_port: 9202, es_transport_port: 9302, es_node_name: "es_node2", es_node_data: true }
   - { role: elasticsearch, es_http_port: 9203, es_transport_port: 9303, es_node_name: "es_node3", es_node_data: true }

#分布式部署
- hosts: node1 node2 node3
  vars:
   - es_cluster_name: "Testes"
     es_unicast_hosts: '["192.168.77.129","192.168.77.130","192.168.77.131"]'
     es_minimum_master_nodes: 2
     es_heap_ms: "512m"
     es_heap_mx: "512m"
   - es_install_plugins:
       - x-pack
       - ingest-geoip
     es_service_start: true
  roles:
   - { role: java ,java_version: "1.8" }
   - { role: elasticsearch }

使用

~]# service elasticsearch
Usage: /etc/init.d/elasticsearch {start|stop|status|restart|condrestart|try-restart|reload|force-reload}