Ansible安装node_exporter

date: 2021-01-13title: Ansible安装node_exporter #标题
tags: ansible #标签
categories: ansible # 分类

记录下ansible批量安装node_exporter的playbook。

目录结构

$ tree .         
.
├── hosts           # 主机清单
├── install_node_exporter.yml    # playbook
└── roles
    └── install_node_exporter      # role
        ├── files
        │   └── node_exporter-1.0.1.linux-amd64.tar.gz     # 二进制包
        └── tasks          
            └── main.yml    # task列表文件

playbook文件

$ cat install_node_exporter.yml 
---
- hosts: pod7
  remote_user: middleware
  gather_facts: no
  roles: 
    - install_node_exporter

tasks/main.yml文件

$ cat main.yml 
---
# tasks file for install_node_exporter
- name: "拷贝 node_exporter"
  unarchive:
    src: node_exporter-1.0.1.linux-amd64.tar.gz
    dest: /apps/usr/exporter/
    owner: middleware
    mode: 0755
    creates: /apps/usr/exporter/node_exporter-1.0.1.linux-amd64/node_exporter
- name: "创建软链接"
  file:
    src: /apps/usr/exporter/node_exporter-1.0.1.linux-amd64
    dest: /apps/usr/exporter/node_exporter
    state: link
    owner: middleware
- name: "启动 node_exporter"
  shell:
    nohup /apps/usr/exporter/node_exporter/node_exporter &> /dev/null &
- name: "确定 9100 端口在监听"
  wait_for:
    host: 0.0.0.0
    port: 9100
    delay: 2

执行结果

# 如果你的部分机器可能已经启动了node_exporter，那么最好先停一下
$ ansible -i hosts pod7 -m shell -a "pkill -9 node_exporter" 
# 执行playbook
$ ansible-playbook -i hosts install_node_exporter.yml

返回结果如下：