rkt v1.30.0 发布： CoreOS 的容器引擎

rkt v1.30.0 发布了。Rocket（也叫 rkt）是 CoreOS 推出的一款容器引擎，和 Docker 类似，帮助开发者打包应用和依赖包到可移植容器中，简化搭环境等部署工作。Rocket 和 Docker 不同的地方在于，Rocket 没有 Docker 那些为企业用户提供的“友好功能”，比如云服务加速工具、集群系统等。反过来说，Rocket 想做的，是一个更纯粹的业界标准。

Rocket

相信的更新内容如下。

新特性

• status: added read from uuid-file (#3860).
• stage0/run: relax ‘–hosts-entry’ parser (#3833).
• iottymux: store logs for kubelet in the appropriate location (#3798). This change is made for rktlet. iottymux will store the logs directly in the CRI format.
• rkt: add AWS auth headerer support to rkt config (#3910).

Bug 修复

• kvm: solve certain routing issues by using the same default bridge as CNI (#3905).
• networking/portfwd: fix compare routeLocalnetValue (#3897).
• list: add ip of non-running pods to status output (#3857).
• stage1: execute pre-start/post-stop hooks as privileged (#3844). Even if we run the container as an unprivileged user.
• stage1-fly/run: allow non absolute commands to be run (#3845).
• rkt: prevent skipping some images in image gc (#3858).
• rkt: skip parsing in case of an empty string (#3822). Fix issue where rkt app add fails with an error message like must give only one app, even when only one app name is given.

构建系统

• scripts: Add libfdt to install deps (#3834). libfdt-dev is needed when building kernels for architectures that support a device tree.
• makelib: Fix go-find-directories symlink problem (#3824).
• scripts: adding missing dependecies to debian dependency installer (#3829).
• scripts/build-pkgs: use RPM file dependency for shadow tools (#3904).

其它变化

• Lots of documentation updates.
• selinux: Update to latest (#3818).
• travis: update go versions (#3821).
• vendor: bump docker2aci to v0.17.1 (#3835). It fixes an image pulling bug for some images in GCR.
• Fixes all the misspell (#3870).
• stage1/usr_from_coreos: add new image signing subkey 0638EB2F (#3902).
• tests: Use semaphore install-package (#3827).
• tests: Add verbose flag to build-and-run-tests.sh (#3819).