| tomwardill | surprise, it's iptables! | 16:00 |
|---|---|---|
| SpecialK|Canon | lol | 16:01 |
| tomwardill | \\ΓΈ/ finally done it | 16:18 |
| tomwardill | for future travellers: lxd has a defualt forward accept policy that deliberatly preceeds ufw rules | 16:18 |
| tomwardill | which is obvious, in retrospect | 16:20 |
| SpecialK|Canon | nicely found | 16:21 |
| SpecialK|Canon | most things are obvious in retrospect - that's how retrospect works ;) | 16:22 |
| tomwardill | iptables -S shows the FORWARD rules, which are higher in the list than the ufw ones | 16:22 |
| tomwardill | `lxc network set lxdbr0 ipv4.routing false` will change it to a DENY | 16:23 |
| tomwardill | or you can manually delete the rules | 16:23 |
| tomwardill | I think there's config somewhere, but not found it yet | 16:23 |
| cjwatson | Sigh, first breezy regression (issue with inline comments containing unicode) | 17:14 |
| cjwatson | Well not a regression in breezy itself, regression caused by a bit of my port | 17:15 |
| tomwardill | Build log: sendto(ntp.buildd): Operation not permitted | 17:19 |
| * tomwardill gradually finds all the things that are now failing | 17:19 | |
| cjwatson | tomwardill: I usually set "ntphost =" in /etc/launchpad-buildd/default for a local builder | 17:22 |
| cjwatson | Since you probably don't have an ntp.buildd anyway | 17:22 |
| tomwardill | I just /etc/host'd it to ntp.ubuntu.com | 17:22 |
| cjwatson | Can't be proxied though | 17:22 |
| cjwatson | So either allow it or change config to not use it | 17:23 |
| tomwardill | yeah, I've also allowed it in ufw | 17:23 |
| cjwatson | Aha, tests didn't catch this because they tried to use \u inside a str | 17:42 |
| cjwatson | Python 2 string (bytes) literal that is | 17:42 |
| cjwatson | Where \u1234 corresponds to the bytes \ u 1 2 3 4 | 17:42 |
| SpecialK|Canon | I...yikes | 17:44 |
| cjwatson | Nice landmine | 17:44 |
| cjwatson | https://code.launchpad.net/~cjwatson/launchpad/+git/launchpad/+merge/378414 | 17:52 |
| * SpecialK|Canon does some obligatory Hypothesis flag-waving | 17:57 | |
| cjwatson | I've occasionally thought about it, yes. Would need to take some care to apply it only to true unit tests though - it would probably get prohibitively slow for anything that talks to the database | 17:58 |
| SpecialK|Canon | Oh absolutely | 17:59 |
| tomwardill | Temporary failure resolving 'archive.ubuntu.com' | 17:59 |
| tomwardill | no. | 17:59 |
| tomwardill | networks. | 17:59 |
| SpecialK|Canon | hugops | 17:59 |
| tomwardill | stop it. | 17:59 |
| cjwatson | (Well, maybe. If the database tests were in the happy path that can just ROLLBACK between tests rather than having to clone a fresh template then maybe. | 17:59 |
| cjwatson | ) | 17:59 |
| cjwatson | .oO( PITR for the test suite ) | 17:59 |
| SpecialK|Canon | ooh | 18:00 |
| cjwatson | Would that work I wonder? I don't know enough about how PITR works | 18:00 |
| SpecialK|Canon | I only know of it as a concept (so sure, if we can, then yay) but it sounds like you're thinking of a specific impl? | 18:01 |
| cjwatson | Probably not actually faster though. I think if you're doing PITR then you have to replay WAL forwards, not backwards | 18:02 |
| cjwatson | So the situation that requires cloning a fresh template is when a test has committed a transaction, since then you can't just roll back to get to a clean state | 18:03 |
| * tomwardill -> EOD to somewhere that doesn't involve computers :) | 18:04 | |
| cjwatson | If we could rewind time using WAL on disk then that would be faster | 18:04 |
| cjwatson | But I think that isn't really how it works, sadly | 18:04 |
| SpecialK|Canon | something something time travel something | 18:09 |
| cjwatson | https://www.postgresql.org/docs/10/app-pgrewind.html is a thing ... | 18:11 |
| cjwatson | May be worth experimenting at some point to see if it's faster | 18:12 |
| SpecialK|Canon | Will have a read next week - sounds neat! | 18:27 |
| * SpecialK|Canon EOWs, take care y'all | 18:27 | |
| pappacena | See ya, Kristian | 18:31 |
| roadmr | SpecialK|Canon ???? | 19:23 |
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