Check if Ansible variableis defined(exists): tasks: - shell: echo "The variable 'foo' is defined: '{{ foo }}'" when: foo is defined - fail: msg="The variable 'bar' is not defined" when: bar is undefined Check if Ansible variableis empty: tasks: - fail: msg="The variable 'bar...
msg: "this variable is number" when: var1 is number - name: task2 debug: msg: "this variable is number" when: var2 is number - name: task3 debug: msg: "this variable is number" when: var3 is number 0 18:45:54 root@ck-ansible,172.16.2.9:/server/ops_ansible # ansible-playbook...
register: file_status failed_when: not file_status.stat.exists 1. 2. 3. 4. 5. 在此示例中,如果文件不存在,则使用 failed_when 关键字使任务失败。 使用变量 您可以使用变量使您的剧本更加动态。例如 - - name: Check if file exists using variable stat: path: "{{ file_path }}" register: fi...
在Ansible中,条件语句使用when关键字来定义,可以根据主机的属性、变量的值或其他条件来判断执行与否。 weird错误通常是由于条件语句的语法错误或逻辑错误导致的。常见的weird错误包括语法错误、变量未定义、条件判断错误等。当出现weird错误时,可以通过以下步骤进行排查和解决: 检查条件语句的语法是否正确,确保使用正确的...
0755 when: fdfs_dl.stat.exists == False become: true 我们在日常的部署中...,这种使用方法能帮我们大大的提高playbook的执行效率 针对不同的主机来做判断,如果满足条件,则执行任务,不满足直接略过 - name: Copy tracker init file template...fdfs_role,该变量是定义在清单文件中的,如下: [fdfs] 10.0....
creates # a filename or (since 2.0) glob pattern, when it already exists,this step will *not* be run. 例: ]# ansible 172.17.101.31 -m command -a 'date' …… ]# ansible websrvs -a 'date' …… ]# ansible all -a 'date' #all指inventory中定义的所有主机;...
Ansible supports conditional evaluations before executing a specific task on the target hosts. To implement conditions in Ansible, we use the when keyword. The keyword takes Boolean expressions based on a value or a variable from previous tasks or facts
['args']:ifnotos.path.exists(playbook):raiseAnsibleError("the playbook: %s could not be found"%playbook)ifnot(os.path.isfile(playbook)orstat.S_ISFIFO(os.stat(playbook).st_mode)):raiseAnsibleError("the playbook: %s does not appear to be a file"%playbook)b_playbook_dir=os.path....
The special omit variable ONLY works with module options, but we can still use it in other ways as an identifier to tailor a list of elements: Inline list filtering when feeding a module option - name: Enable a list of Windows features, by name ansible.builtin.set_fact: win_feature...
- name: Remove an environment variable for the current user win_environment: state: absent name: TestVariable level: user # 添加环境变量到系统用户 Path路径下 - raw: echo $ENV:PATH register: path_out - name: 为所有用户设置需要添加应用的环境变量 win_environment: state: present name: Path ...