ansible definition

One of the most important functions in ansible is the ability to execute AD-HOC commands, and some people may not understand the meaning of the word ad-hoc, which means instant meaning, or arbitrary meaning.In contrast to the Ansible playbook function, playbook is suitable for batch deployment environments and is generally not frequently changed. The Ad-hoc command applies to operational scenarios such as b

idempotent featuresEach task must have a name, so that when the playbook is run, the task execution information from its outputis a good way to identify which task it belongs to, and if no value of name,action is defined, it will be used asMarking a specific task in the output informationIf you want to declare a task that previously had a format: Action:module options, it is now recommended to useThe more common format module:optionThe following is a basic task

I. Description of the EnvironmentServer with Ansible installed: 192.168.13.45Test environment server: 192.168.13.49/home/app/api-tomcat/webapps/api.war a new version of the war package location for the test environmentProduction Environment server: 192.168.13.51/home/app/api-tomcat/webapps/api.war for production Environment War package location/HOME/APP/API-TOMCAT/WEBAPPS/API for production environment Project location/home/app/tomcat.bak/ api/webapps

Tags: phenomenon sshpass problem connectivity technology share COM and SYS yam# Installation DependenciesYum install rpm-build python2-devel sshpass pyyaml python-jinja2 Python-paramiko python-six python2-cryptographygit clone git://github.com/ansible/ansible.gitCD ansible/Make rpmCD rpm-build/sudo rpm-uvh ansible-*.noarch.rpm# Add HostVi/etc/

Because the project needs to use to the Ansible API, according to modify the official documents provided by the use of examples, after many tests, will be able to use the code to share to everyone, you just need to modify the code according to their own actual environment.Official Document: http://docs.ansible.com/ansible/latest/dev_guide/developing_api.html#python-api-2-0#coding:utf-8importjsonfromcollecti

Demand:Remotely installs Vcredist 2008, 2010, 2012, and 20,134 versions on Windows Server R2.First in the official documents of the ansible to find out if there is a suitable module directly can be used.The first thing to find is the Win_package module: http://docs.ansible.com/ansible/win_package_module.html , and see the example it gives.650) this.width=650; "src="/e/u261/themes/default/images/spacer.gif

About YAML:* YAML是一种用来表达资料序列的格式。YAML是YAML Ain‘t Markup Lanaguage的缩写，即YAML不是XML。* 特点： 1.具有很好的可续性，易于实现； 2.表达能力强，扩展性好； 3.和脚本语言的交互性好； 4.有一个一致的信息模型； 5.可以基于流来处理；YAML Syntax:* YAML的语法和其他语言类似，也可以表达散列表、标量等数据结构。* YAML结构通过空格来展示；序列里的项用“-”来代表；Map里的键值对用“：”来分割。YAML文件扩展名通常为：yaml，如：example.yaml* 基本语法规则： 1.大小写敏感 2.使用缩进表示层级关系 3.缩进时不允许使用Tab键，只允许使用空格。 4.缩进的空格数目不重要，只要相同层级的元素左侧对齐即可* 示例：name:zhangsanage:20name:lisiage:22people：-name:zhangsan age:20 -name:lisi age:22Common Types

1. Configuring the Jenkins EnvironmentCommand refer to the previous article "Docker Build Jenkin". Single-Machine deployment. In this example. Jenkins,ansible installed on the same machine.Jenkins needs to configure/etc/sudoers. Also need to give/bin/bash, as well as Jenkins's home directory under. SSH requires a copy of the ansible SSH private key1. Configure/etc/sudoersRoot all=(All) all# add jen

Ansible's script is written in the Yaml language, with the following basic syntax: Basic syntax:1. Case2, the same level to be aligned, indentation representation level3, indentation is not allowed to use the TAB key4, the indentation of the number of spaces does not stipulate that the same element can be distinguished Supported Data Structures:1. Object: A set of key-value pairs, also known as a map/hash/dictionaryExample: Name:example key: Value2, array: A set of

Ansible InstallationInstall Epel as a yum source for installing ansible (CentOS6.4):RPM-UVH http://ftp.linux.ncsu.edu/pub/epel/6/i386/epel-release-6-8.noarch.rpmInstall Ansible:Yum Install ansible-yConfiguration file:Path:/etc/ansible/hostsConfiguration Description: Webservers is the group name, and the following IP or

should include at least one file named Main.yml that defines the task list for this role, which you can use include to include other task files that are located in this directory;Files directory: A file that is called by a module such as copy or script;Templates Directory: Template module will automatically look for JINJA2 templates files in this directory;Handlers directory: This directory should contain a MAIN.YML file that defines the handler used for this role, and the other handler files t

YAML syntaxThis article is from: http://www.ansible.com.cn/docs/YAMLSyntax.htmlThis page provides a basic overview of the correct YAML syntax, which is used to describe a playbooks (our Configuration management language).We use YAML because it is like XML or JSON as a data format that facilitates people's reading and writing. In addition, there are libraries that use YAML in most languages.You may want to read how playbooks is used in practice.Basic YAMLFor