Automation Maintenance Tool Ansible Introduction (1)

Ansible

The automated operation and maintenance system is divided into 3 structures

Install operating system: OS provision

Representative Product: Pxe,cobbler

To install a specific file: OS Config

Representative Product: Puppet

To perform a specific action (command): Deployment

Representative Product: Ansible

Ansible General Framework Diagram:

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Ansible Introduction

1. Based on module work, Ansible is just a framework

2. The use of plug-ins to complete the logging of mail functions;

3. Connection plug-in connection plugins: responsible for and be monitored to achieve communication;

4.host Inventory: Specifies the operation of the host, is a configuration file inside the definition of monitoring host;

5.playbook: When a script performs multiple tasks, it is not necessary to have the node run multiple tasks at once.

6 Module Core module, command module, custom module;

Ansible Features:

1. No need to be managed to install any agent on the host

2. Do not need the server side, directly run the command can

3. Based on module work, third-party modules can be used

4. SSH-based work

5. Customizing scripts using Yaml language

Basic preparatory work

1. Time to synchronize

2. Host to each other

Simple Use Example

node1:192.168.0.106 centos7.2

node2:192.168.0.110 centos7.2

[[email protected] ~]# yum-y install ansible--with Yum installation Ansible[[email protected] ~]# rpm-q ansible ansible-2.2.0.0 -3.el7.noarch--Version ansible-2.2

[[email protected] ~]# RPM-QL ansible-A simple view of the generated file list/etc/ansible/etc/ansible/ansible.cfg/etc/ansible/hosts/etc/ Ansible/roles/usr/bin/ansible/usr/bin/ansible-doc/usr/bin/ansible-playbook

[Email protected] ~]# vim/etc/ansible/hosts---Define host inventory[all]192.168.0.106192.168.0.110

[[email protected] ~]# ansible all-m ping-Test management host OK192.168.0.106 | SUCCESS + = {"Changed": false, "ping": "Pong"--Represents normal}192.168.0.110 | SUCCESS + = {"Changed": false, "ping": "Pong"--means normal}

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Simple command using Help # ansible 

Automation Maintenance Tool Ansible Introduction (1)