Preparation for v0.6.0

[ktock]

release note

Since this release, lazy pulling of eStargz is possible on CRI-O/Podman using the brand-new Stargz Store plugin. Please refer to our docs for details about installation.

This release also adds changes for better resource efficiency of Stargz Snapshotter, including garbage collection of content cache (#309) and memory consumption improvement (#294).

Notable Changes

• Stargz Store

  • Add Stargz Store for enabling lazy pulling on CRI-O/Podman (Support Additional Layer Store #301)

• Stargz Snapshotter

  • Add GC when unmounting snapshots (Enable to cleaning up cache on unmount #309)
  • Improve memory consumption (Reduce the use of unnecessary buffers around cache #294)
  • Add request_timeout_sec option for making request timeout configurable in slow NW (resolver: respect http.Client.Timeout and make it configurable #317)

• estargz library

  • Add support of compressed input blobs to estargz.Build (estargz: support compressed input blob #304)

• Test/release pipeline

  • Remove unused cind target from Dockerfile (Remove unused cind target from Dockerfile #295)
  • Switch to v2 configuration file format of containerd (Switch to v2 config files of containerd in our CI #302)
  • Remove unnecessary linter config (Fix linter config #297)

• Docs and dependencies

  • Add document about installing Stargz Snapshotter for containerd with systemd (add doc for deploy with systemd #307), thanks @chenk008
  • Add document about installing Stargz Store for CRI-O/Podman with systemd (Add doc about installing stargz store #319)
  • Fix typos (Fix golint issues caused by typos #311, Fix typos in fs/fs.go #315), thanks @hs0210 and @ilyee
  • Add eStargz-formatted mariadb:10.5 and wordpress:5.7 to ghcr.io/stargz-containers (Add mariadb:10.5 and wordpress:5.7 to ghcr.io/stargz-containers #303)
  • Bump dependencies (Go to 1.16, containerd to 1.5.0, etc) (Bump containerd to 1.5.0, nerdctl to v0.8.1 #312, Bump up dependencies #313, Bump cri-tools to the latest commit and fix CRI test flakiness #299, etc)

[ktock]

Release script doesn't work well. I'll check it.

[ktock]

Release script doesn't work well. I'll check it.

Fixed.