相干网址
- Ansible github: https://github.com/ansible/an…
- Ansible 官网文档: https://docs.ansible.com/
配置 ssh 免密登录
- 将公钥传送到 ssh 被控服务器
- 主控端配置(配好后用
ssh node01
测试)
vim ~/.ssh/config
# 将 ip 自身也作为别名之一
Host node01 172.31.10.157
HostName 172.31.10.157
Port 22
User ubuntu
IdentityFile ~/.ssh/id_rsa
Host node02 172.31.15.123
HostName 172.31.15.123
Port 22
User ubuntu
IdentityFile ~/.ssh/id_rsa
根本命令
- ping
# ping 所有资产清单上的主机
ansible all -m ping
# ping node 组的所有主机
ansible node -m ping
- 执行 shell 命令
ansible node -a 'ls /home/ubuntu'
- 执行脚本
ansible-playbook 1_push.yml
Ansible 配置 Elasticsearch
环境
操作系统: Ubuntu 20.04 LTS
Python: 3.8.5
Ansible: 2.10.4
资产清单(Inventory)
cat /etc/ansible/hosts
[node]
172.31.10.157 ansible_user=ubuntu es_node_name=node01
172.31.15.123 ansible_user=ubuntu es_node_name=node02
172.31.8.77 ansible_user=ubuntu es_node_name=node03
脚本(Inventory)
- 推送(
1_push.yml
)
- hosts: node
user: ubuntu
tasks:
- name: push file to node
copy:
src: /home/ubuntu/es_down
dest: /home/ubuntu
mode: 0660
- 装置(
2_install.yml
)
- hosts: node
user: ubuntu
tasks:
- name: Configure jvm.options
become: true
become_user: root
shell: dpkg -i /home/ubuntu/es_down/elasticsearch-7.10.1-amd64.deb
- 配置 jvm(
3_config_jvm.yml
)
- hosts: node
user: ubuntu
tasks:
- name: Configure jvm.options
become: true
become_user: root
lineinfile:
dest: '/etc/elasticsearch/jvm.options'
regexp: "{{item.old}}"
line: "{{item.new}}"
with_items:
- {old: '^-Xms',new: '-Xms8g'}
- {old: '^-Xmx',new: '-Xmx8g'}
- 配置 Elasticsearch(
4_config_es.yml
)
- hosts: node
user: ubuntu
tasks:
- name: Configure elasticsearch.yml
become: true
become_user: root
lineinfile:
dest: '/etc/elasticsearch/elasticsearch.yml'
backrefs: no
state: present
regexp: "{{item.old}}"
line: "{{item.new}}"
with_items:
- {old: '^cluster.name', new: 'cluster.name: esapi'}
- {old: '^node.roles', new: 'node.roles: [data]' }
- {old: '^node.name', new: 'node.name: {{ es_node_name}}' }
- {old: '^myhost', new: 'myhost: {{ inventory_hostname}}' }
- {old: '^path.data', new: 'path.data: /data/elasticsearch/data'}
- {old: '^path.log', new: 'path.log: /data/elasticsearch/log'}
- {old: '^network.host', new: 'network.host: 0.0.0.0'}
- {old: '^http.port', new: 'http.port: 9200'}
- {old: '^discovery.seed_hosts', new: 'discovery.seed_hosts: ["172.31.0.1","172.31.0.2","172.31.0.3"]' }
- {old: '^cluster.initial_master_nodes', new: 'cluster.initial_master_nodes: ["mnode01","mnode02","mnode03"]' }
本文出自 qbit snap