releases: Add release notes for 0.0.27
I did this build with: `make release` followed by: GOTAGS='noaugeas' make release when the arm64 build failed.
This commit is contained in:
James Shubin
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docs/release-notes/0.0.27
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205
docs/release-notes/0.0.27
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I've just released version 0.0.27 of mgmt!
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> 854 files changed, 28882 insertions(+), 16049 deletions(-)
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This is rather large release, as I'm not making regular releases unless there's
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a specific ask. Most folks that are playing with mgmt are using `git master`.
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With that, here are a few highlights from the release:
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* Type unification is now extremely fast for all scenarios.
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* Added a modules/ directory with shared mcl code for everyone to use. This
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includes code for virtualization, cups, shorewall, dhcp, routers, and more!
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* New core mgmt commands including setup, firstboot, and docs were added!
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* The provisioner got lots of improvements including handoff, and iPXE support.
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And much more...
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DOWNLOAD
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Prebuilt binaries are available here for this release:
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https://github.com/purpleidea/mgmt/releases/tag/0.0.27
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They can also be found on the Fedora mirror:
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https://dl.fedoraproject.org/pub/alt/purpleidea/mgmt/releases/0.0.27/
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NEWS
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* Primary community channel is now on Matrix. IRC is deprecated until someone
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wants to run a bridge for us.
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* Type unification is now textbook, and blazingly (linearly) fast. The large
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programs I'm writing now unify in under 200ms. Most small programs typically
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unify in ~5ms.
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* Resource and edge names are always lists of strings now unless they're static.
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* We're up to golang 1.23 now. Older versions may still work.
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* Our type system now supports unification variables like ?1, ?2 and so on.
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* I fixed a bug in my contrib.sh script which omitted the Co-authored-by people!
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This means Samuel Gélineau might have previously been missed in past release
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notes which is tragic, since he has been by far the most important contributor
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to mgmt.
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* Made toposort deterministic which fixes some spurious non-determinism.
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* Added the iterator filter function. (An important core primitive.)
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* Cleaned up the output of many resources to make logs more useful / less noisy.
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* Added constants, although I plan to change this to a `const` import package.
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* Added the list and map core packages.
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* Catch $ in metaparams to make the obvious bug cases easier for users to avoid.
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* Consul is now behind a build tag for now, since it's non-free. We'll remove it
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eventually if there isn't a suitable free replacement.
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* Added mcl modules directory with a good initial set of interesting code.
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* Added the the "vardir" API to our "local" package. This is a helpful primitive
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which I use in almost every module that I write.
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* Added a gzip resource!
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* Added a tar resource!
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* We moved the template() function to the golang.template namespace. This makes
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it clear what kind of template it is and de-emphasizes our "love" for it as the
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blessed template engine at least for now.
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* Added a sysctl resource!
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* Added a virt-builder resource for building images. We can now automate virtual
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machines really elegantly.
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* A bunch of core functions were added including stuff in net, strings, deploy,
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and more!
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* The local package got a neat "pool" function. There are lots of possibilities
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to use this in creative ways!
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* The GAPI/deploy code got more testing and we found some edge cases and patched
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them. You can now deploy in all sorts of creative ways and things should work
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as expected!
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* Added a resource for archiving a deploy. This is deploy:tar and helps with
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bootstrapping new machines.
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* Found a sneaky DHCP bug and fixed it!
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* Added mgmt setup and firstboot commands! This helps bootstrap things without
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needing to re-implement that logic everywhere as bash too!
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* Added a "docs" command for generating resources and function documentation!
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* The provisioner got lots of improvements including handoff, and iPXE support.
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* New mcl modules include shorewall, dhcp, cups, some meta modules, misc modules
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and more!
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* Added a BMC resource in case you want to automate your server hardware.
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* We now allow multiple star (*) imports although it's not recommended.
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* Hostname handoff is now also part of the provisioner.
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* Fixed two type unification corner cases with magic struct functions.
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* Added iPXE support to the provisioner.
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* Added pprof support to make it easy to generate performance information.
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* Added anonymous function calling. These are occasionally useful, and now the
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language has them. They were fun and concise to implement!
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* We're looking for help writing Amazon, Google, DigitalOcean, Hetzner, etc,
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resources if anyone is interested, reach out to us. Particularly if there is
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support from those organizations as well.
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* Many other bug fixes, changes, etc...
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* See the git log for more NEWS, and for anything notable I left out!
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BUGS/TODO
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* Function values getting _passed_ to resources doesn't work yet, but it's not a
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blocker, but it would definitely be useful. We're looking into it.
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* Function graphs are unnecessarily dynamic. We might make them more static so
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that we don't need as many transactions. This is really a compiler optimization
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and not a bug, but it's something important we'd like to have.
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* Running two Txn's during the same pause would be really helpful. I'm not sure
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how much of a performance improvement we'd get from this, but it would sure be
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interesting to build. If you want to build a fancy synchronization primitive,
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then let us know! Again this is not a bug.
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* The arm64 version doesn't support augeas, so it was built with:
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GOTAGS='noaugeas' to get the build out.
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TALKS
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After FOSDEM/CfgMgmtCamp 2025, I don't have anything planned until CfgMgmtCamp
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2026. If you'd like to book me for a private event, or sponsor my travel for
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your conference, please let me know.
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PARTNER PROGRAM
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Interest in the partner program has been limited to small individuals with no
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real corporate backing, so its been officially discontinued for now. If you're
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interested in partnering with us and receiving support, mgmt products early
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access to releases, bug fixes, support, and many other goodies, please sign-up
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today: https://bit.ly/mgmt-partner-program
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MISC
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Our mailing list host (Red Hat) is no longer letting non-Red Hat employees use
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their infrastructure. We're looking for a new home. I've opened a ticket with
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Freedesktop. If you have any sway with them or other recommendations, please let
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me know:
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https://gitlab.freedesktop.org/freedesktop/freedesktop/-/issues/1082
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We're still looking for new contributors, and while there are easy, medium and
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hard issues available! You're also welcome to suggest your own! Please join us
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in #mgmtconfig on Libera IRC or Matrix (preferred) and ping us if you'd like
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help getting started! For details please see:
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https://github.com/purpleidea/mgmt/blob/master/docs/faq.md#how-do-i-contribute-to-the-project-if-i-dont-know-golang
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Many tagged #mgmtlove issues exist:
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https://github.com/purpleidea/mgmt/issues?q=is%3Aissue+is%3Aopen+label%3Amgmtlove
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Although asking in matrix is the best way to find something to work on.
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MENTORING
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We offer mentoring for new golang/mgmt hackers who want to get involved. This is
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fun and friendly! You get to improve your skills, and we get some patches in
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return. Ping me off-list for details.
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THANKS
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Thanks (alphabetically) to everyone who contributed to the latest release:
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Cian Yong Leow, Felix Frank, James Shubin, Joe Groocock, Julian Rüth, Omar Al-Shuha, Samuel Gélineau, xlai89
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We had 8 unique committers since 0.0.26, and have had 96 overall.
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Run 'git log 0.0.26..0.0.27' to see what has changed since 0.0.26
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Happy hacking,
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James
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@purpleidea
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