when: var3 is string 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 条件判断与block block when做条件判断时,如果条件成立则执行对应的任务。但这就存在一个问题:当我们要使用同一个条件判断执行多个任务的时候,就意味着我们要在某一个任务下面都写一下when语句,而且判断条件完...
when: ansible_distribution in supported_distros number: 判断对象是否为一个数字,是则为真 - hosts: dbsrvs gather_facts: no vars: var1: 1 var2: "1" var3: a tasks: - debug: msg: "var1 is a number" when: var1 is number - debug: msg: "var2 is a string" when: var2 is string ...
This defaults to a hashed string of the hostname, # port and username (empty string in the config). The hash mitigates a common problem users # found with long hostnames and the conventional %(directory)s/ansible-ssh-%%h-%%p-%%r format. # In those cases, a "too long for Unix domai...
# cat>whenOther.yml<<END---hosts:localremote_user:rootgather_facts:novars:testvar:"test"testvar1:testpath:/bin/bashteststr:"thisisstringdemo"testnum:1024a:-2-5b:[1,2,3,4,5]ver:7.4.1708tasks:-name:"Demo then defined"debug:msg:"Variable is defined"when:testvar is defined #关键点-...
或者使用failed_when --- - name: test hosts: node1 tasks: - name: debug debug: msg: I execute normally - name: shell shell: cmd: echo 'this is a string testing--error' register: return_value failed_when: "'error' in return_value.stdout" #使用这个也可以直接判断是否中断 - name: deb...
•--host=<hostname> for showing host details•--list for listing groups 最后,还可以通过add_hosts模块在运行时增加host配置,使用group_by模块在运行时创建group。比如通过 ansible_distribution来根据操作系统创建不同的组,再分别安装软件。 -name:grouphostsbydistributionhosts:myhostsgather_facts:Truetasks:...
[WARNING]: provided hosts listisempty, only localhostisavailable. Note that theimplicitlocalhost does not match'all'[WARNING]: Could not match supplied host pattern, ignoring:10.0.0.12原因: 没有添加主机清单 [root@mcw01~]$ echo'10.0.0.12'>>/etc/ansible/hosts #添加主机到hosts文件后就可以了 ...
setting retry_files_enabled to False # and you can change the location of the files by setting retry_files_save_path #retry_files_enabled = False #retry_files_save_path = ~/.ansible-retry # squash actions # Ansible can optimise actions that call modules with list parameters # when looping...
TASK[mysql dump test]***task path:/bak.yml:4redirecting(type:modules)ansible.builtin.mysql_dbto community.mysql.mysql_db[WARNING]:The value"***"(typeint)was converted to"'***'"(type string). If this doesnotlooklikewhat you expect,quote the entire value to ensure it doesnotchange. ch...
executable.free_form=# The shell module takes a free form command to run,asa string.There's not an actual option named"free form".See the examples!removes # a filename,when it does not exist,thisstep will*not*be run.warn #ifcommand warnings are oninansible.cfg,donot warn aboutthispart...