Ansible Tips(qbit)
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関連サイト
ssh非密ログインの構成
ssh node01
で試験)vim ~/.ssh/config
# ip
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
基本コマンド
# ping
ansible all -m ping
# ping node
ansible node -m ping
ansible node -a 'ls /home/ubuntu'
ansible-playbook 1_push.yml
Ansible構成Elasticsearch
環境
: Ubuntu 20.04 LTS
Python: 3.8.5
Ansible: 2.10.4
資産構成表(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
スクリプト(Inventory)
# 1_push.yml
- hosts: node
user: ubuntu
tasks:
- name: push file to node
copy:
src: /home/ubuntu/es_down
dest: /home/ubuntu
mode: 0660
# 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
# 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' }
# 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: ["node01", "node02", "node03"]' }
本文は
qbit snap