Ansible develop module

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