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Changelog

All notable changes to this project will be documented in this file.

[0.3.0] - 2021-02-23

Added

  • Secured system container initial mounts (mount/remount/unmounts on these from within the container are now restricted). See here for details.
  • Improved Sysbox systemd service unit files (dependencies, open-file limits).
  • Improved logging by sysbox-mgr and sysbox-fs (json logging, more succint logs).
  • Added support for systemd-managed cgroups v1 on the host (cgroups v2 still not supported).
  • Added support for read-only Docker containers.
  • Synced-up sysbox-runc to include the latest changes from the OCI runc.
  • Added ground-work to support Sysbox on RedHat, Fedora, and CentOS (next step is creating a package manager for these).
  • Added config option to configure the Sysbox work directory (defaults to /var/lib/sysbox).
  • Added support and required automation for Sysbox-in-Docker deployments.
  • Fixed sysbox-mgr file descriptor leak (sysbox issue #195).
  • Fixed problem with "docker --restart" on Sysbox containers (sysbox issue #184).
  • Fixed race condition in sysbox-fs procfs & sysfs emulation.
  • Fixed problem preventing kernel-headers from being properly imported within sys containers.
  • Fixed inappropriate handling of mount instructions in chroot jail environments.

Removed

  • None.

[0.2.1] - 2020-08-25

Added

  • Created debian packages for first community-edition release.
  • Fixed package installer bug preventing 'shiftfs' feature from being properly utilized.
  • Enhanced package installer to prevent network overlaps between inner and outer containers.

Removed

  • Deprecated support of Ubuntu's EOL release: Eoan (19.10).

[0.2.0] - 2020-07-03

Added

  • Added initial Kubernetes-in-Docker support to enable secure, flexible and portable K8s clusters.
  • Added support for running privileged-containers within secure system containers.
  • Added support for containerd to run within system containers.
  • Made multiple performance improvements to expedite container initialization and i/o operations.
  • Added support for Ubuntu-Eoan (19.10) and Ubuntu-Focal (20.04).
  • Extended support for Ubuntu-Cloud releases (Bionic, Eoan, Focal).
  • Enhanced Sysbox documentation.

Removed

  • Deprecated support of Ubuntu's EOL releases: Ubuntu-Disco (19.04) and Ubuntu-Cosmic (18.10).

[0.1.2] - 2019-11-11

Added

  • Created Sysbox Quick Start Guide document (with several examples on how to use system containers).
  • Added support for running Systemd in a system container.
  • Added support for the Ubuntu shiftfs filesytem (replaces the Nestybox shiftfs).
  • Using docker build to create a system container image that includes inner container images.
  • Using docker commit to create a system container image that includes inner container images.
  • Added support for mounts over a system container's /var/lib/docker (for persistency of inner container images).
  • Made multiple improvements to the Sysbox User's Guide and Design Guide docs.
  • Rebranded 'sysboxd' to 'sysbox'.

Removed

  • Deprecated Nestybox shiftfs module.

[0.1.1] - 2019-09-04

Added

  • Extend installer support to latest Ubuntu kernel (5.0.0-27).

[0.1.0] - 2019-08-28

Added

  • Initial public release.
  • Added external documentation: README, user-guide, design-guide, etc.
  • Extend support to Ubuntu-Bionic (+5.x kernel) with userns-remap disabled.
  • Added consistent versioning to all sysboxd components.
  • Increased list of kernels supported by nbox-shiftfs module (refer to nbox-shiftfs module documentation).
  • Add changelog info to the debian package installer.

[0.0.1] - 2019-07-23

Added

  • Internal release (non-public).
  • Supports launching system containers with Docker.
  • Supports running Docker inside a system container.
  • Supports exclusive uid(gid) mappings per system container.
  • Supports partially virtualized procfs.
  • Supports docker with or without userns-remap.
  • Supports Ubuntu Disco (with userns-remap disabled).
  • Supports Ubuntu Disco, Cosmic, and Bionic (with userns-remap enabled).
  • Includes the Nestybox shiftfs kernel module for uid(gid) shifting.