# 以下所有命令均可使用`-h`参数获取帮助信息ansible# Define and run a single task 'playbook' against a set of hosts # 常用命令ansible-config# View ansible configuration.ansible-console# REPL console for executing Ansible tasks. # 交互式工具,相当linux中的shell,不常用ansible-doc# plugin documentatio...
所以,只要执行动态inventory程序并带上--list选项能够输出这种数据格式,就是合格的动态inventory程序。 也就是说,如果我写一个Shell脚本能输出这段数据,那这个Shell脚本就是一个合格的inventory程序。 是否so easy?比如,我将上面命令的输出结果保存在/tmp/a.ini文件中: $ansible-inventory --list -i static_inventor...
Variables Lastly, we can create a host group for hosts that share a common variable. Then, we apply the variable value to the whole group at a time. Notably, we can define group variables at the group level in the inventory file or playbook. As a best practice, we should keep ...
A list variable combines a variable name with multiple values. The multiple values can be stored as an itemized list or in square brackets[], separated with commas. Defining variables as lists You can define variables with multiple values using YAML lists. For example: ...
- name: Install a list of packages with a list variable yum: name:"{{ packages }}"vars: packages: - httpd - httpd-tools - name: Remove the Apache package yum: name: httpd state: absent - name: Install the latest version of Apache from the testing repo ...
Variable: ANSIBLE_COW_ACCEPTLIST :Version Added: 2.11 ANSIBLE_COW_PATH Description: Specify a custom cowsay path or swap in your cowsay implementation of choice. Type: string Default: None Ini: Section: [defaults] Key: cowpath Environment: Variable: ANSIBLE_COW_PATH ANSIBLE_COW_SEL...
Variable name should contain characters, numbers or underscore Some of the valid variable names are like abc1, Some of the invalid variable names are like abc-1, abc%1, 12, abc xyz, xyz Now, Let’s discuss the ways to define variables in Ansible. In Ansible, Variables can be defined ...
config.vm.define vm[0] do |box| box.vm.box = "ubuntu/trusty64" box.vm.network "private_network", ip: vm[1] box.vm.hostname = vm[0] box.vm.provider "virtualbox" do |vb| vb.memory = "512" end end } end inventory:
To use the default variable in a task, we can define it as follows: - name:Create a database mysql_db: name:"{{ database_name }}" state:present Since we do not provide a different value for the database_name variable, Ansible creates a database with the “standard_db” name as ...
此外,Ansible 使用 "{{ var }}"来引用变量.,如果一个值以 "{" 开头, YAML 将认为它是一个字典, 所以我们必须引用它, 像这样:foo: "{{ variable }}" 三、playbooks的基本用法最基本的playbook分为四部分: 定义主机和用户 hosts users 1. 2. 定义playbook 执行需要的变量 variable 1. 定义任务 tasks ...