A Roadmap For Jails

The Jail working group will discuss and construct a roadmap for improving the infrastructure and usability of jails. Topics will include the base rc.d/jail jail.conf system, external jail frameworks like ezjail, bsdploy, and iocage, other container systems (docker, jetpack), resolving configuration complexity, and documentation.

• Opening: Shortcomings of the current Jail system
  • jail.conf cannot be easily modified programmatically
  • jail.conf is a unique config format (not ucl)
  • pkg -j is not really thought through
• Configuration
  • converting to /etc/jail.conf.d/jailname and a flatter config file
  • using libucl for jail config files
• Installing
  • Create a 'base' snapshot during bsdinstall distextract, to be cloned to create jails instantly
  • Creating jails with pkg base
• Upgrading
  • freebsd-update for jails
  • etcupdate interaction with jails
  • pkg upgrade base and jails
• Base system conventions
  • make.conf's WRKDIR should default to /var/ports, so that the ports tree can be shared between host and jails
• Roadmap
  • Where to go from here
• Documentation
  • Ensure the handbook covers how to handle upgrades etc
  • Decide which documentation belongs in the handbook, and which is too specific to 3rd party tools

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