- 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 'foo' is defined and not empty" when: ...
第一种方法是使用"when"关键字和"not"判断变量是否为空。当变量为空时,可以使用"not variable"的形式来判断。下面是一个示例: ``` - name: 判断变量是否为空 hosts: test vars: var1: "" var2: "ansible" tasks: - name: 当变量 var1 为空时,执行某个任务 debug: msg: "var1 is empty" when: ...
- hosts: web tasks: - name: install httpd server yum: name=httpd state=present - name: service httpd server service: name=httpd state=started enabled=yes - name: check httpd state shell: ps aux|grep httpd register: httpd_status - name: output httpd_status variable debug: msg: "{{httpd...
The default is 'replace' but # this can also be set to 'merge'. #hash_behaviour = replace #ansible 主机变量重复处理方式 # by default, variables from roles will be visible in the global variable # scope. To prevent this, the following option can be enabled, and only # tasks and handle...
Using a SSH password instead of a key is not possible because Host Key checking is enabled and sshpass does not support this. Please add this host's fingerprint to your known_hosts file to manage this host. 10.0.0.132 | CHANGED | rc=0 >> ...
给task加上when条件,在执行的时候,就会先判断条件是否满足,如果满足则执行任务,不满足就不执行此任务。我们再看一个例子:如果Apache服务不正常就重启,否则跳过。 -hosts:webtasks:-name:checkhttpdservercommand:systemctlis-activehttpdregister:check_httpd-name:httpdrestartservice:name=httpdstate=restartedwhen:check...
when: checkdir.stdout == "" Output: If the folder is not empty, then it will skip the task. Example #4 Check if the folder exists with the multiple when conditions. This example will check if the mentioned directory exists on the windows server using the registered variable output. If th...
29. 30. 31. 32. 33. 34. 35. 36. 8.8 playbook 中使用变量 变量名:仅能由字母、数字、和下划线组成,且只能以字母开头 定义变量: key=value 1. 示例: http_port=8888 1. 变量调用方式: 通过{{ variable_name }} 调用变量,变量名前后建议加空格使用,有时用 “{{ variable_...
When you read this playbook it is clear that you have chosen to set a variable or override a default. You can also pass multiple values, which allows you to run the same role multiple times. SeeRunning a role multiple times in one playfor more details. For example: ...
This option forces color mode even when running without a TTY or the “nocolor” setting is True. Type: boolean Default: False Ini: Section: [defaults] Key: force_color Environment: Variable: ANSIBLE_FORCE_COLOR ANSIBLE_HOME Description: The default root path for Ansible config fil...