],"short_description":"Try to connect to host, verify a usable python and return C(pong) on success","version_added":"historical","version_added_collection":"ansible.builtin"},"examples":"\n# Test we can logon t
Ansible applies the http_port=80 variable to all hosts in the web_servers group through the web_servers:vars, meaning every host in this group will use port 80 for HTTP services. Group Variables Group variables apply to all hosts in a specific group. You can define common settings for a ...
32---# 在play1中添加新主机,并在当前play1中测试新主机是否可用-name:addhostsinplay1hosts:nginxgather_facts:falsetasks:-name:addnewhosttonginxandphpadd_host:name:192.168.200.44groups:-nginx-phpansible_port:22my_var:"hello world"-name:pingnginxgroupinplay1ping:# 在play2和play3中分别测试nginx组...
=> {"msg": "The task includes an option with an undefined variable. The error was: 'ansible_fqdn' is undefined\n\nThe error appears to be in '/an/fact2.yaml': line 5, column 5, but may\nbe elsewhere in the file depending on the exact syntax problem.\n\nThe offending line appea...
(py37env)aaron@ubuntu:~$ ansible-helpUsage:ansible<host-pattern>[options]Define and run a single task'playbook'against asetofhostsOptions:-aMODULE_ARGS,--args=MODULE_ARGSmodule arguments--ask-vault-pass askforvault password-BSECONDS,--background=SECONDSrun asynchronously,failing afterXseconds(defa...
- hosts: test debugger: on_failed gather_facts: false vars: var1: value1 tasks: - name: Use a wrong variable ansible.builtin.ping: data={{ wrong_var }} If you run this playbook, Ansible invokes the debugger when the task fails. From the debug prompt, you can change the module ...
Define a variable file named common_vars.yml: # common_vars.yml timezone: "UTC" Include this file in your playbook: - name: Include external variables hosts: all vars_files: - common_vars.yml tasks: - name: Display timezone debug: msg: "The configured timezone is {{ timezone }}"...
此外,Ansible 使用 "{{ var }}"来引用变量.,如果一个值以 "{" 开头, YAML 将认为它是一个字典, 所以我们必须引用它, 像这样:foo: "{{ variable }}" 三、playbooks的基本用法最基本的playbook分为四部分: 定义主机和用户 hosts users 1. 2. 定义playbook 执行需要的变量 variable 1. 定义任务 tasks ...
YAML syntax, including lists and dictionaries. You can define these variables in your playbooks, in yourinventory, in reusablefilesorroles, or at the command line. You can also create variables during a playbook run by registering the return value or values of a task as a new variable. ...
-hosts:localhosttasks:-name:Example Taskinclude_role:name:my-roletasks_from:task-name Variables Include external variables in a playbook: -name:Include Variablesinclude_vars:path/to/vars.yaml Define variables in a playbook: -hosts:allvars:my_var:my_valuetasks:-name:Example Taskshell:echo "{{ ...