Ansible develop module

最新推荐文章于 2025-09-05 14:41:09 发布

weixin_30755709

最新推荐文章于 2025-09-05 14:41:09 发布

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文章标签： json

原文链接：http://www.cnblogs.com/mhc-fly/p/7122873.html

本文介绍了一个Ansible自定义模块的实现，该模块能够执行获取、更新或删除指定路径下配置文件的操作。通过传递不同的参数，可以灵活地管理配置项。

def cnf(action,configs,path):
    message = "Modify %s\n" %path
    changed = False
    if action == "get":
with open(path,"r") as f:
            message = f.read()
return changed,message
if not os.path.exists(path):
        message += "%s do not exist, create it\n" %path
    cnf = Mycnf(path)
if action == "update":
        changed,msg = cnf.set_all(configs)
        message += msg
elif action == "delete":
        changed, msg = cnf.delete_all(configs)
        message += msg
else:
        message = "Invalid action"
    return changed,message

def main():
    module = AnsibleModule(
argument_spec=dict(
type=dict(default="cnf"),
action=dict(default="update"),
configs=dict(),
path=dict(default="/etc/my.cnf"),
        ),
supports_check_mode=True
    )

    type = module.params["type"]
    action = module.params["action"]
    configs = module.params["configs"]
    path = module.params["path"]

if type not in TYPE:
        module.fail_json(msg="Invalid type %s,must be in %s" %(type,str(TYPE)))
if action not in ACTION:
        module.fail_json(msg="Invalid action %s,must be in %s" %(action,str(ACTION)))
try:
        configs = json.loads(configs)
except:
        module.fail_json(msg="configs must be a json type")
if action == "get" and not os.path.exists(path):
        module.fail_json(msg="%s do not exist" %path)
try:
        cmd = globals()[type]
        changed, msg = cmd(action,configs,path)
        module.exit_json(changed=changed, stdout=msg)
except Exception as e:
        module.fail_json(msg=e.message)

from ansible.module_utils.basic import *

if __name__ == '__main__':
    main()

======================================================================
- hosts: localhost
  tasks:
  
  - name: test my module
    config_file: 
      type: cnf
      action: delete
      configs: '{"mysqld":{"mhc":"2b"}}'
      path: /root/test/ansible_test/mhc_test/my.cnf
    register: mhc
  
  - debug: var=mhc