docs: Add old release notes
These release notes used to live on the mailing list at: https://listman.redhat.com/archives/mgmtconfig-list/ until Red Hat killed off this excellent service recently. I'm adding them all here for reference. Before 0.0.9 there were no release notes.
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James Shubin
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docs/release-notes/0.0.22
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docs/release-notes/0.0.22
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I've just released version 0.0.22 of mgmt!
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> 579 files changed, 17984 insertions(+), 3136 deletions(-)
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Compared to the last release, this is a monster. Previously:
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> 178 files changed, 4351 insertions(+), 829 deletions(-)
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I apologize for not doing a release earlier, but to be quite honest,
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I've been busy, the people who are playing with mgmt are doing their
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own builds anyways, and there are still some unimplemented, pre-
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production features missing.
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Also, I started a new job. News on my blog and how (if at all) it
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affects mgmt is there.
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This is still an incredibly important release, so let's cover some of
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the points!
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* This is the last release before we switch to go.mod
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* IRC channel moved to #mgmtconfig on libera.chat after Freenode died
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* New resources including tftp, dhcp, and http (all as servers, wow!)
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* New string interpolation implementation with many tests
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* Resource fields can accept complex structs and other types now
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* Improved type unification solver and new invariants like generator
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* A new polymorphic function API interface
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And much more...
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DOWNLOAD
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Prebuilt binaries are NOT available here for this release:
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https://github.com/purpleidea/mgmt/releases/tag/0.0.22
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NEWS
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* The file resource supports building files from other "fragments".
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This is magic and automatic and real-time. Docs and examples are in the
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repo.
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* The file resource (and others) have a new trait and queryable API to
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make decisions based on what other resources are in the graph.
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* The file resource has a "purge" option to remove unmanaged files from
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a managed directory.
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* A lot of built-in functions are auto-generated from the stdlib. Most
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things you would want are now present, particularly if they're pure
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functions.
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* There's a new consul KV resource.
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* File resources support symbolic modes now!
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* New tftp related resources are now present. They're great and I use
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them to provision things!
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* A docker image resource was added.
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* First-class constants now exist. So you can do
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$const.res.file.state.exists instead of typing "exists" which is prone
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to typos. This is more verbose, but it's safer if that's your priority.
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* We found a bug with fuzzing! Cool, thanks Patrick!
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* We have dhcp server related resources. This is pretty cool when
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combined with the tftp resource and you can provision a lot of stuff
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from your laptop and one binary now.
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* We also have http server resources. Combined with the tftp and dhcp
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resources mgmt starts to look like a powerful tool to greenfield a new
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datacentre and then take over and manage it continuous. All from a
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single, type-safe, code base. Of course you can do other things with
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this, and I'm looking forward to seeing the ideas that I haven't
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thought of yet! PS: An http:ui has been partially implemented too. Ping
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if you want to know more.
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* Resource fields couldn't previously accept anonymous structs as types
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because of how golang built its reflect library. Joe found an elegant
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workaround, thanks!
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* The type unification solver was improved to support some new
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invariants. This makes a lot of new things possible, and was done to
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support new complex functions including the eventual addition of map,
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reduce, and filter. One of the new invariants is a "generator"
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invariant, so that unification can take into account the entire
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relevant parts of the AST. It's not a textbook CS implementation, but
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it's based on sound theory I think, and it seems to work great. If you
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find an edge case, please let us know.
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* The polymorphic function interface was changed to use the new
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unification logic. This makes a lot more sense. All the functions have
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been ported to the new interface.
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* 42
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* We're looking for help writing Amazon, Google, DigitalOcean, etc
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resources if anyone is interested, reach out to us. Particularly if
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there is 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
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* Function values as args don't work yet. This is blocking us from
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implementing functions like map/reduce/filter, because they'd want to
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receive a function as input. TBH, I'm a bit tunnel-visioned on this,
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because I'm not the compilers genius that you are. If you can help,
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please let me know. I'll be posting a bunch of test cases that show
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what's needed shortly.
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(This is the exact message I wrote last time. I've made a lot of
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progress since then, but motivation here has been low. Reach out if you
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can help.)
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TALKS
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Hopefully CfgMgmtCamp in 2022 will be back on. If we're lucky and safe,
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maybe I can travel there. TBD... Feel to ping me if you'd like to hack,
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talk, whatever if I'm in Europe.
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MISC
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We're still looking for new contributors, and there are easy, medium
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and hard issues available! You're also welcome to suggest your own!
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Please join us in #mgmtconfig on Libera IRC, or ping this list if
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you'd like help getting started! For details please see:
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https://github.com/purpleidea/mgmt/blob/master/docs/faq.md#how-do-i-con
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tribute-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%
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3Amgmtlove
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Although asking in IRC 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
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involved. This is fun and friendly! You get to improve your skills,
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and we get some patches in 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
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release:
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Adam Sigal, Ahmed Al-Hulaibi, David Randall, Derek Buckley, Donald
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Bakong, Felix Frank, Francois Rompre-Lanctot, Ivan Pejić, James Shubin,
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Jean-Philippe Evrard, Jimmy Tang, Joe Groocock, Jonathan Gold, Julien
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Pivotto, Kenneth Hoste, Matthew Lesko-Krleza, Patrick Meyer, viq, Yohan
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Belval
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We had 19 unique committers since 0.0.21, and have had 82 overall.
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run 'git log 0.0.21..0.0.22' to see what has changed since 0.0.21
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Happy hacking,
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James
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@purpleidea
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