/bin/bash if test -e /testdir; then echo "testdir exist" fi 在ansible中也有运算标识符与”test -e”命令的作用是相同的,通过exsts可以判断ansible主机中的对应路径是否存在(注意:是ansible控制主机中的路径,与目标主机没有关系) 代码语言:javascript 复制 # cat>whenIsExists.yml<<END---hosts:localrem...
###-name:restart httpdifpostfix is runninghosts:dbsrvstasks:-name:getpostfix serv statuscommand:/usr/bin/systemctl is-active postfixignore_errors:yesregister:result-name:restart apache httpd based on postfix statusservice:name:httpdstate:restartedwhen:result.rc==0 tests 配合条件判断 通过条件语句判断...
yes/usr/bin/ssh-copy-id: INFO: attempting to log in with the new key(s), to filter out any that are already installed/usr/bin/ssh-copy-id: INFO: 1 key(s) remain to be installed -- if you are prompted now it is to install the new keysuser@10.11.39.172's password: Number of ...
if判定 vim users.yml vim test.j2 {% for NAME in users %} {% if NAME['age'] is defined %} {{ NAME['name'] }} {{ NAME['age'] }} {%endif%} {% if NAME['age'] is not defined %} {{ NAME['name'] }} unknow_age {%endif%} {%endfor%} 1. 2. 3. 4. 5. 6. 7. ...
debug:msg:"this is debug msg"when:output|bool 执行结果: image-20210924104321144.png ②、根据变量是否定义判断 ---hosts:devops debugger:on_failed vars:output:yes tasks:-name:variableisdefined debug:msg:"variable output is {{output}}"when:outputisdefined-name:variableisnot defined debug...
{%if user['age'] is defined%} age: {{user['age']}} {%endif%} {% if user['age'] is not defined %} age: null {% endif%} obj: {{user['obj']}} {%endfor%} 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12.
- 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' is empty" ...
This setting will be disabled if ANSIBLE_KEEP_REMOTE_FILES is enabled. Type: boolean Default: False Ini: Section: [connection] Key: pipelining Section: [defaults] Key: pipelining Environment: Variable: ANSIBLE_PIPELINING ANY_ERRORS_FATAL Description: Sets the default value for the any...
{% if P.name is defined %} #P.name如果被定义,那么servername将同时被定义 servername {{ P.name }} #如果if成立P.name从配置文件中取值 {% endif %} # if开头,endif结尾 } {% endfor %} #以for开头,对应以endfor结尾 最终执行结果:
ansible是一种自动化运维工具,基于paramiko开发的,并且基于模块化工作,Ansible是一种集成IT系统的配置管理、应用部署、执行特定任务的开源平台,它是基于python语言,由[]Paramiko和PyYAML两个关键模块构建。集合了众多运维工具的优点,实现了批量系统配置、批量程序部署、批量运行命令等功能.ansible是基于模块工作的,本身没有...