Ansible uses a standard SSH connection to perform an automated process that does not require a proxy (other descriptions are self-searching)This article system:CentOS 6.5 x64ip:172.16.162.129Hostname:vm.lansgg.comTo test the client host:CentOS 6.5 x64ip:172.16.162.130Hostname:vm1.lansgg.com# # # # #摘自网友总结 #####I. Introduction of AnsibleAnsible is an automated operations tools, based on the development of Python, the collection of many operations tools
1. ansible command usage
The ansible command line can be executed in two ways: ad-hoc and ansible-playbook. The official web method provides paid product tower. Ad-hoc is mainly used to execute temporary commands. ansible-playbook is equivalent to a set of ad-hoc commands and is executed together with certain rules.1.1
Ansible Command Application Basics
A previous article on the installation and role of Ansible, interested in can see Ansible introduction and installation. Learning Ansible is to re-learn the command and grammar.
Ansible can be
AnsibleSimple DescriptionAnsible is a new automated OPS tool that is developed based on Python and has a large collection of operations tools (puppet,cfengine,chef, Func,fabric), the implementation of batch system configuration, batch program deployment, batch Run command and other functions. Ansible is a module-based operation and does not have the capacity to deploy in bulk. The real batch deployment is the module that
There are two more secure ways to store this type of data:The 1.ansible command-line tool Ansible-vault can encrypt and decrypt files used by any ansible.2. Use a third-party key Management service to store data.Ansible-vault can create, edit, encrypt, decrypt, and view files. Ansible Vault can encrypt any
, and modularized. This type of API allows you to access the root directory of the API through a browser to browse http: //
License
Tower is a patented software product. obtaining licenses is based on annual subscriptions. Although the tower needs to be licensed for operation, there is no need to charge when there are less than 10 managed hosts. In addition, you can use the Trial License to manage more hosts.
You should expect additional server licenses or support help, please visit the http:/
Ansible is a framework structure that works based on modules. The bulk deployment capability is implemented by the modules that are run by ansible. In short, Ansible is based on "modules" to accomplish various "tasks". The basic syntax for Ansible Common Core module modules is as followsansible [主机] [-m 模块] [-a args]
Ansible
Ansible does not require any agents, except sshd, does not occupy the control of any resources in the ansible does not execute (the default support SSH, also supports other)Ansible also has no service side, only executes commands when neededAnsible based on module work, execute commands, scripts, planning task
Directory
Handlers
Playbook Case 2 handlers
VARs variable
Setup Facts Variable Usage
Case
Defining variables in Inventory
Case
Condition test
When statement
Case
Handlers
Follow up on an article Ansible playbooks introduction and use a continuation note
Used to take certain actions when the resources being followed are
One, the common automated maintenance tools:OS Provisioning:pxe, CobblerOS Config:puppet, Saltstack, chef, funcTask exec:fabric, Saltstack, funcProgram Deployment:fabricManagement host controls how nodes are managed:Agent: You need to install agents on the managed nodes to accept the operations of the management host, such as Puppet, FuncAgentless: The managed node does not need to install agent, the management host with SSH transfer operation instructions, such as
Service startup script│└──tasks------> Task Item List│├──JDK.YML---> JDK task List│├──MAIN.YML---> Mission portal│└──TOMCAT.YML---->TOMCAT Task List├──SITE.YML ansible Playbook Executive Portal├──tomcat.sh Batch installation shell.└──tomcat-testing.sh Tomcat Installation test scriptAnsible Roles Complete Example:[Email protected] playbook]# tree roles/roles/\\ansible All the information is placed in the di
Ansible is easy to install, and many distributions have ready-made packages in third-party repositories that can be installed directly. Other simple installation methods include using PIP to install it, or get the latest version from GitHub. If you want to install with your package Manager, you will probably need to EPEL the repository on Rhel/centos Linux-based systems.The following is an authoritative gui
Tags: style OCA python development source file has a copy int exec bashAnsible automation software based on Python developmentFeatures Overview:Configuration files do not require too much configuration to understand it.# # #部署ansble软件# #受控主机部署 Backup Nfs01 web01Yum Install-y Libselinux-python# #管理主机部署m01Yum-y Install AnsibleAt this point ansible software deployment is complete# # #软件配置应用Architecture:To implement public key batch management before inst
Ansible supports Windows from the 1.7+ version, with the actual measurement of Windows 7 SP1 and Windows Server R2 and above, the system is simply configured to communicate with Ansible normally. However, the following points need to be met:1, the management machine must be a Linux system, and the original Python winrm module2. The underlying communication is based on PowerShell and the version is 3.0+,mana
Vars:app_path: "{{Base_path}}/22"Double quotation marks include the value of the variable (such as the value of App_path).System Information: FactsThere is another place to get some variables, but the values of these variables are collected by ansible themselves.The system information collected from the remote node is called facts .factsThis includes the IP address of the remote host, the operating system
/tasks/install.yml-name:install mysql Shell:/bin/sh/r oot/mysql_install.shCreate an include file[Email protected] roles]# Cat/etc/ansible/roles/mysql_install/tasks/main.yml-include:copy.yml-include: Install.ymlThe final playbook structure is[Email protected] roles]# tree/etc/ansible/roles/mysql_install//etc/
Before we start, let's think of a scenario where your company has hundreds of servers, and when the leader asks to add a timed task to all the servers, or execute a command, you might say that you can use Xshell to connect or write a shell script. But if you have experienced something like this, you can certainly experience the pain, because so many servers you use Xshell to connect the workload will become particularly large, but if you choose to write a script, it will be particularly troubles
functions of batch system configuration, batch program deployment and batch running command are realized. Ansible is a module-based operation and does not have the capacity to deploy in bulk. The real batch deployment is the Ansible lock running module Ansible just provides a framework. Mainly include:(1), connection
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