Ansible “When” statement is a conditional statement that runs the particular task if the condition is met and the condition should be based on the registered variable output, loop, gathered facts, declared variable output, and to create the dependencies between the tasks that is when the output...
when:ansible_user_shell" == "/bin/bash" If you want to combine multiple conditions, you can use logical operators such as and, or, and not. when:(condition1)and(condition2) when:(condition1)or(condition2) To understand how to use the Ansible when keyword, we will use practical exampl...
The when condition in Ansible is used to control whether a task or a role should be executed. It evaluates an expression and runs the task only if the condition evaluates to true. This allows you to skip certain tasks based on the state of a variable or the result of a previous task. ...
changed_when,failed_whenand where to use them appropriately and how it works. By these conditional modules, Ansible provides a way for us to define when should ansible run a certain task or consider the executed task as Success or failure....
wait_for Waitsfora condition before continuing wait_for_connection Waitsuntilremote systemisreachable/usable yum Manages packageswiththe `yum'packagemanager yum_repository Addorremove YUM repositories [root@worker232 ~]# 温馨提示: 由于我们安装的是ansible-core,因此模块数量相对较少,仅有69个模块。
when: ansible_distribution | lower == "rocky" When I run the playbook, thewhen conditionwill evaluate and run the task only on Rocky Linux. Task will be skipped for all other distributions. $ ansible-playbook when_condition_test.yml
webservers:/etc/ansible/hosts中配置的主机组名称,指定all (分组和未分组的主机)代表所有主机,指定172.16.1.121代表单台主机。 -m:指定使用的模块,默认是command模块(简单的shell命令),可以省略不写。 -a:指定具体使用的shell指令,比如"echo {{http_port}}"表示在远程主机上打印http_port这个变量。
The task in the code below (Task-1) runs aloopwhere thewhencondition checks if the item value is greater than five and returns the result. --- - name: Ansible tasks to work on Ansible When# Defining the remote server where Ansible will runhosts: web ...
直接看examples示例用法即可 AI检测代码解析 或者看命令帮助 [root@ansible-1 ~]#ansible-doc -s file 范例: - name: Manage files and file properties file: access_time: # This parameter indicates the time the file's access time should be set to. Should be `preserve' when no modification is re...
Using when condition with dictionary length: - name: Example 3 hosts: localhost tasks: - name: Task with dictionary length condition module_name: module_arguments when: "'webserver' in inventory_hostname and my_dict | length > 3" vars: my_dict: key1: value1 key2: value2 key3: value...