| Thursday, May 9th, 2024, 06:21 UTC | ||
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| [08:44:37] | Mode for #mythtv by ChanServ!ChanServ@services.libera.chat : +v stuarta | |
| [08:45:01] | ** stuarta waves to everyone ** | |
| [08:45:37] | stuarta: | wow. been away so long my prod setup is still on v32, and i see v35 is in development |
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| [09:44:11] | SteveGoodey: | stuarta: Hey, good to see you back. |
| [09:45:41] | SteveGoodey: | stuarta: Time to get upgrading. |
| [09:45:51] | stuarta: | hah |
| [09:46:06] | stuarta: | back? it's more a flying visit |
| [09:46:27] | SteveGoodey: | stuarta: Don't say that. |
| [09:46:54] | SteveGoodey: | stuarta: You've been missed. :-) |
| [09:48:48] | SteveGoodey: | stuart m turned up a while back as well. |
| [13:15:33] | hampton: | welcome back stuarta |
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| [13:18:14] | SteveGoodey: | hampton: How have the severs been, behaving themselves? |
| [13:20:46] | hampton: | I tweaked nginx to throttle the bot load to a trickle, and things seem stable now. |
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| [13:21:56] | hampton: | I could probably ease up a bit, but I'm waiting until after things get moved to the new VMs. |
| [13:27:21] | SteveGoodey: | hampton: Thanks for you work on that. |
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| [19:08:33] | stuarta: | hampton: i think you emailed me about 3 months ago and i haven't even got around to reading it! |
| [19:38:27] | warpme (warpme!~warpme@84-10-100-139.static.chello.pl) has joined #mythtv | |
| [19:40:07] | hampton: | It was 1) a memory test to see if you can remember what databases are what, and 2) a question about sso and keycloak. |
| [19:40:28] | stuarta: | i've just found an email thread about my services app |
| [19:45:07] | stuarta: | which is incidentally lacking in any documentation :-p |
| [19:47:14] | hampton: | I've been trying to figure that one out for the last day or so. I have it mostly working on a Fedora 39 test system, but any email/documentation would help. Especially on how the database gets loaded. Its been a crash course in Ruby on Rails for me. |
| [19:48:29] | stuarta: | so RoR has a venv, a bit like python |
| [19:55:38] | stuarta: | iirc there's a rake command to print the tasks available and the you can just run the task using rake. i looked into, but never got around to, some form of cron based triggering to 1) update the DB regularly 2) auto approve submissions 3) not even sure i implemented submission approval 4) never got around to a UI |
| [19:57:05] | stuarta: | this is the actual task that does the heavy lifting https://github.com/MythTV/services/blob/maste . . . /picons.rake |
| [19:58:23] | stuarta: | rake -T |
| [19:59:28] | stuarta: | then running it is basically `rake <taskname>` although there might be some shenanigans around encrypted secrets and using the right environment |
| [19:59:44] | stuarta: | like `RAILS_ENV=production rake <task>` |
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| [20:01:30] | stuarta: | around the DB, it autoloads the DB for the env it's running in |
| [20:03:54] | stuarta: | main bits of use `config/routes.rb` maps the incoming requests to controllers |
| [20:04:12] | stuarta: | always worth starting there |
| [20:05:43] | stuarta: | and the app directory holds everything useful for the app, basically MVC bits, and the rest is magic pixie dust |
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| [20:07:51] | hampton: | Thanks. I'll spend some more time looking into it. I first tried copying everything from polaris and then updating the gems, which didn't go well with the delta from F35 to F39. As a test I tried starting with a new project and copying config/routes.rb and the controller code, and now have a mostly working site. I think I understand how all the MVC stuff works now, but still trying to get my head around how the model pulls from the da |
| [20:07:51] | hampton: | tabase and how the database gets loaded. |
| [20:07:56] | stuarta: | a lot of rails is abstracting the gory details of databases, indexes and foreign keys |
| [20:08:43] | stuarta: | the model doesn't "pull" per se, that's more the abstract definition of how the data is stored, in a DB agnostic way |
| [20:09:11] | hampton: | I was trying to use the Fedora packaged gems, and they have most of the ones that are used by the services site, but I that httparty is one of the few used by services that Fedora didn't package. |
| [20:10:00] | stuarta: | that won't work, you need to treat it like a venv. there's a command that i can't remember off the top of my head, that's in many guides which basically sets that up |
| [20:10:40] | hampton: | IIUC, the database is presented as a class of objects, and you can ignore all of the magic that happens underneath. |
| [20:10:41] | stuarta: | that's what Gemfile|Gemfile.lock is for |
| [20:10:48] | stuarta: | yup |
| [20:12:07] | stuarta: | db/schema.db will give you the actual table definitions (still in an abstract way) and you can pretty much query against anything |
| [20:12:43] | stuarta: | i find running it interactively is useful for understanding as it is quite chatty and you'll be able to see what it's doing |
| [20:12:55] | stuarta: | `irb` once the venv is built |
| [20:13:08] | hampton: | What gems you need, and the actual versions used. Those can be locked to either system wide Fedora installed gems, or locally installed gems in the vendor/whatever directory, but I don't think you can easily use both. You're definitely limited in gem version choices if you use the fedora packaged ones. |
| [20:13:41] | stuarta: | yes, that's why it's running under a standalone username in prod |
| [20:13:52] | stuarta: | "unpolluted" |
| [20:14:17] | hampton: | I think its time for me to toss my current test build and start again. I've learned a lot in the last two days. |
| [20:15:02] | stuarta: | this app was my second proper attempt at a ruby app, the first being smolt 2.0, which worked okay, but again had no UI |
| [20:15:21] | stuarta: | or was it the other way around? |
| [20:15:24] | stuarta: | can't remember |
| [20:15:45] | hampton: | I haven't looked at smolt yet, other than to note the huge database size. |
| [20:16:11] | stuarta: | that's still running the old hideous python code, that throws errors at the drop of a hat |
| [20:17:22] | stuarta: | there's my smolt 2.0 -> https://github.com/stuarta/smolt2 |
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