Check if Ansible variableis empty: tasks: - fail: msg="The variable 'bar' is empty" when: bar|length == 0 - shell: echo "The variable 'foo' is not empty: '{{ foo }}'" when: foo|length > 0 Check if Ansible variableis definedandnot empty: tasks: - shell: echo "The variable ...
find/check the state, it uses the "name" parameter to find the environment variable definition line. When using symbols such as %, they must be properly escaped. * This module is maintained by The Ansible Community OPTIONS (= is mandatory): - backup If set, create a backup of the cronta...
Withhostvars, you can access variables defined for any host in the play, at any point in a playbook. You can access Ansible facts using thehostvarsvariable too, but only after you have gathered (or cached) facts. 我们还可以通过hostvars变量获取ansible_facts。 文档链接: Discovering variables: fa...
定义playbook的远程主机组,即控制的下游设备信息 Variable 定义Playbook所使用的变量。 Task 定义Playbook控制下游设备要执行的命令。 Handler 定义在Palybook在Task执行完毕后要调用的任务。 Ansible Playbook各组件参数 Ansible的上述组件的参数如下: Target常用参数 代码语言:javascript 代码运行次数:0 运行 AI代码解释 host...
If set to `all', disables all excludes. If set to `main', disable excludes defined in [main] in yum.conf. If set to `repoid', disable excludes defined for given repo id. disable_gpg_check: # Whether to disable the GPG checking of signatures of packages being installed. Has an ...
TASK [Set variable `timesync_services` with filtered uniq service names] *** ok: [192.168.100.147] TASK [Check that variable 'timesync_services' is defined] *** ok: [192.168.100.147] => { "changed": false, "msg": "All assertions passed" } TASK [timesync : Check if only NTP is ...
Any variable that is defined more than once is overwritten using the order from variable precedence rules (highest wins). merge: Any dictionary variable will be recursively merged with new definitions across the different variable definition sources. Ini: Section: [defaults] Key: hash_behaviour ...
If you want to skip a task or ignore errors on a task when you run Ansible in check mode, you can use a boolean magic variable ansible_check_mode, which is set to True when Ansible runs in check mode. For example: tasks: - name: This task will be skipped in check mode ansible.bu...
(/usr/bin/ansible will use current user as default) #remote_user = root # logging is off by default unless this path is defined # if so defined, consider logrotate #log_path = /var/log/ansible.log # default module name for /usr/bin/ansible #module_name = command # use this shell ...
通过{{ variable_name }} 调用变量,且变量名前后必须有空格,有时用“{{ variable_name }}”才生效 ansible-playbook –e 选项指定变量 ansible-playbook test.yml -e "hosts=www user=wu" [root@centos7 data]#vim var.yml --- #test var yaml ...