伦本 安装角色。 角色准备状态 要求 没有 角色变量 默认变量是: rbenv: env: system version: v1.0.0 default_ruby: 2.4.2 rubies: - version: 2.4.2 rbenv_clean_up: false rbenv_repo: "https://github.com/rbenv/rbenv.git" rbenv_plugins: - { name: "rbenv-vars", repo: "https://github.com/rbenv/rbenv-vars.git",