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rkt v1.28.0 Release Notes

Release Date: 2017-07-28 // over 6 years ago

  • 🚀 This release contains changes to the behavior of rkt run, rkt status, and rkt fly to make them more consistent. Two of them need particular attention:

    • rkt status can now omit the pid field when non-existent. Use --wait[-ready] to ensure a pid will be available.
    • 0️⃣ the default[-restricted] network is not added by default when a custom network is specified with --net.

    📚 There are also some improvements on documentation and tests working on arm64.

    🆕 New features and UX changes

    • stage0/status: fix failure when systemd never runs in stage1 (#3713). This changes the behavior of rkt status when a PID is not available: instead of crashing, it will now omit the pid field. Users that need to read the PID shortly after an invocation of rkt run should now use the --wait[-ready] flag explicitly.
    • 💥 BREAKING network: do not automatically add default* networks when custom ones are specified (#3685).
    • stage1/fly: preserve environment between run and enter (#3712). Fly run now writes the app env file, and fly enter reads it.
    • 🔨 stage1/fly: make run/enter honour uid/gid/suppGids (#3717). Refactored common functionality out of run.

    🛠 Bugfixes

    • stage1/init/units: keep journald running while apps are shutting down (#3726). This prevents a race when apps are writing to their stdout/err (and output is being sent to stage1's journal) while shutting down. If journald terminates before the apps finish shutting down, their output will be lost.
    • ✅ tests: get functional tests working on arm64 (#3737). Various arch fixups to get make check with a coreos stage1 working on arm64 machines.
    • 🛠 Fix --user --group on arm64 (#3736). Fixes issue #3714 (rkt run --user fails on arm64).

    Other changes

    • 📄 docs: update CLI flags in run.md (#3748). Also added rkt-run options present in rkt 1.27.0 but not present in the run.md markdown. The entries in markdown have been sorted.
    • ✅ tests/net: skip TestNetCustomBridge on semaphore (#3740). Reference #3739
    • doc: mention external stage1s (#3723). This was discussed on:
      #3645 (comment)
    • 🔊 rkt/pubkeys: print debug logs on discovery errors (#3705). This reorders log-printing and error-returning when pubkeys discovery
      🖨 fails, in order to print useful debugging information on error.
    • 📄 docs: correct rkt pronunciation (#3674). rkt has an icon of a rocket but previously the official pronunciation was "rock-it" which is incompatible with the logo. This change fixes that.
    • stage0: fix message formatting errors, stale forward-vars (#3722).