debug.py 文件源码

def run(self, tmp=None, task_vars=None):
        if task_vars is None:
            task_vars = dict()

        for arg in self._task.args:
            if arg not in self.VALID_ARGS:
                return {"failed": True, "msg": "'%s' is not a valid option in debug" % arg}

        if 'msg' in self._task.args and 'var' in self._task.args:
            return {"failed": True, "msg": "'msg' and 'var' are incompatible options"}

        result = super(ActionModule, self).run(tmp, task_vars)

        verbosity = 0
        # get task verbosity
        if 'verbosity' in self._task.args:
            verbosity = int(self._task.args['verbosity'])

        if verbosity <= self._display.verbosity:
            if 'msg' in self._task.args:
                result['msg'] = self._task.args['msg']

            elif 'var' in self._task.args:
                try:
                    results = self._templar.template(self._task.args['var'], convert_bare=True, fail_on_undefined=True, bare_deprecated=False)
                    if results == self._task.args['var']:
                        # if results is not str/unicode type, raise an exception
                        if not isinstance(results, string_types):
                            raise AnsibleUndefinedVariable
                        # If var name is same as result, try to template it
                        results = self._templar.template("{{" + results + "}}", convert_bare=True, fail_on_undefined=True)
                except AnsibleUndefinedVariable:
                    results = "VARIABLE IS NOT DEFINED!"

                if isinstance(self._task.args['var'], (list, dict)):
                    # If var is a list or dict, use the type as key to display
                    result[to_text(type(self._task.args['var']))] = results
                else:
                    result[self._task.args['var']] = results
            else:
                result['msg'] = 'Hello world!'

            # force flag to make debug output module always verbose
            result['_ansible_verbose_always'] = True
        else:
            result['skipped_reason'] = "Verbosity threshold not met."
            result['skipped'] = True

        return result