加任何tag参数,那么会执行所有的tasks $ ansible-playbook example.yml 1. 指定执行安装部分的tasks,则可以利用关键字tags $ ansible-playbook example.yml --tags "packages" 1. 指定不执行packages部分的task,则可以利用关键字skip-tags $ ansible-playbook example.yml --skip-tags "configuration" 1. ...
# 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...
Override hosts variable of Ansible playbook from the command line 在Playbook 中的 hosts 参数用于指定目标主机,因此可以这样: - hosts: "{{ variable_host | default('web') }}" 然后在命令行中使用 variable_host 参数传入主机名称(或者主机组名): ansible-playbook server.yml --extra-vars "variable_hos...
ansible-playbook playbook.yml--vault-password-filepassword-file.txt Debugging Increase verbosity with the -v flag: ansible-playbook playbook.yml-v Use the -vv or -vvv flag for more verbose output. Print the value of a variable with the debug module: -name:Print Variabledebug:var:my_var...
1. Playbook Variables Playbookvariables are quite easy and straightforward. To define a variable in aplaybook, simply use the keywordvarsbefore writing your variables with indentation. To access the value of the variable, place it between the double curly braces enclosed with quotation marks. ...
You can define variables in a variety of places, such as in inventory, in playbooks, in reusable files, in roles, and at the command line. Ansible loads every possible variable it finds, then chooses the variable to apply based onvariable precedence rules. ...
-name:example of many failed_when conditions with ORansible.builtin.shell:"./myBinary"register:retfailed_when:>("No such file or directory" in ret.stdout) or(ret.stderr != '') or(ret.rc == 10) Defining “changed”¶ Ansible lets you define when a particular task has “changed” ...
设想一个主机是一个士兵,那么有了 ansible ,作为系统管理员的你就是一个将领,你可以通过口头命令,即一次下发一条命令(ansible ad-hoc 模式)方式让一个或一组或全部的士兵按你的指令行事,也可以将多条命令写在纸上(ansible playbook 模式), 需要执行命令时只需要提供这张纸即可。你可以让多个士兵同时做相同或...
For example, if we are running a playbook and we wish to use a different value for the webserver_port variable, we can define it in the playbook as an inventory as follows: --- - hosts:webserver_hosts roles: - my_role vars:
This chapter presents Ansible’s support for variables in more detail, including a certain type of variable that Ansible calls a fact.Defining Variables in Playbooks The simplest way to define variables is to put a vars section in your playbook with the names and values of variables. Recall fr...