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rm_work | ugh yeah i'm about to *give up* | 00:07 |
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rm_work | I still kinda think something is broken here | 00:07 |
rm_work | like, are we SURE this is working? :/ | 00:07 |
johnsom | I would take a look myself, but my devstacks are scrambled thanks to the py35 stuff. | 00:07 |
rm_work | johnsom: I honestly am not convinced this is *working*, I think something got messed up somewhere, but I have almost no exposure to these neutron extension things | 00:07 |
rm_work | augh, yeah still getting through that stuff | 00:07 |
rm_work | Looking at some of these bugs I've run into, I wonder a bit whether anyone has actually tried to use this yet >_< | 00:08 |
rm_work | and if they have, whether they've just fixed all this stuff silently downstream | 00:08 |
rm_work | i'm going to do a fresh devstack build and see if it works | 00:09 |
rm_work | johnsom: uhh, so a week ago I was using a DNS-name for the health_monitor controller_ip_port_list | 00:40 |
rm_work | and as of now, I rebuilt everything and the amp agent can't seem to resolve it even though nslookup does | 00:40 |
rm_work | something changed? IP works fine now I guess | 00:40 |
johnsom | Yeah, DNS is disabled in all of our amp images | 00:40 |
rm_work | is that new? | 00:40 |
johnsom | No | 00:40 |
rm_work | ... | 00:40 |
rm_work | weird | 00:40 |
rm_work | it *was* working last week | 00:40 |
rm_work | if i switch back to my old amp image it should start working again... <_< | 00:41 |
johnsom | I made it more effective for centos in the RH patch, but that shouldn't have been working in ubuntu | 00:41 |
rm_work | hmmm | 00:41 |
johnsom | https://github.com/openstack/octavia/blob/master/elements/no-resolvconf/finalise.d/99-disable-resolv-conf | 00:42 |
rm_work | weirder though is that if i log in to the amp and do an nslookup or a ping, it can still resolve | 00:42 |
johnsom | Check the history | 00:42 |
johnsom | We kill DNS in the amp because we don't intend to use it and it slows down a bunch of stuff that by default tries to resolve | 00:43 |
rm_work | yeah | 00:43 |
rm_work | looks like that was added as part of the RH patch | 00:43 |
rm_work | previously it wasn't killing it in /etc/nsswitch.conf | 00:43 |
johnsom | Just the last three lines were added | 00:43 |
rm_work | right | 00:43 |
rm_work | which affects ubuntu as well | 00:43 |
rm_work | and I'm thinking is what makes it no longer work | 00:44 |
rm_work | gonna try reverting that in one of my amps and see | 00:44 |
johnsom | Maybe the "old" way was broken on xenial? | 00:44 |
johnsom | I know it worked before | 00:45 |
rm_work | maybe | 00:45 |
rm_work | yep | 00:45 |
rm_work | when I put that back in xenial it works again | 00:45 |
rm_work | I was actually relying on DNS T_T | 00:46 |
johnsom | So I guess I fixed a bug we didn't know we had.... | 00:46 |
rm_work | yep | 00:46 |
rm_work | :) | 00:47 |
rm_work | except I was using it as a feature, not a bug T_T | 00:47 |
johnsom | Tempted to shame nun you... Mostly because it's the end of a long week | 00:49 |
rm_work | lol | 00:51 |
rm_work | well, I am tempted to re-enable DNS downstream <_< | 00:51 |
rm_work | so I can continue doing that | 00:51 |
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rm_work | I suppose THEN I might deserve a shame-nun | 00:51 |
johnsom | It is evil. Just one more thing to break | 00:52 |
johnsom | Grin | 00:52 |
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rm_work | it's unclear to me why DNS is such a bad thing -- I suppose somehow security? | 00:52 |
johnsom | That being said from someone that runs their own resolver and a few domains | 00:52 |
rm_work | I mean, this is Godaddy... DNS is kinda our thing :P | 00:52 |
rm_work | but, I suppose that's a fair point | 00:52 |
rm_work | if DNS goes down and kills the entire fleet of LBs | 00:52 |
rm_work | T_T | 00:52 |
rm_work | bad news bears | 00:53 |
johnsom | To me it is: 1. One more service to depend on working. 2. Added latency when you have a cache miss. 3. Evil bugs with negative caching if you aren't careful. | 00:53 |
rm_work | ahhh, I suppose so | 00:54 |
johnsom | People doing not so bright things with TTLs | 00:54 |
rm_work | but like | 00:54 |
rm_work | hmm yeah I guess | 00:54 |
rm_work | what happens if we ever ACTUALLY have to change our controller IPs | 00:54 |
johnsom | Then there is the whole DNSSEC thing, which adds another layer of stuff that needs updating | 00:54 |
rm_work | is the answer "don't do that"? :P | 00:54 |
rm_work | like, if we add some, then all the sudden new amps have a slightly different list | 00:55 |
johnsom | Yeah, we update the octavia.conf and use that admin feature to update the configs that we never implemented | 00:55 |
rm_work | and that happens a couple times | 00:55 |
rm_work | lolol | 00:55 |
rm_work | great | 00:55 |
johnsom | Pretty sure it was blocked on the werz issue where you couldn't actually restart it without the port going out to lunch | 00:56 |
rm_work | well... that isn't an issue now | 00:56 |
rm_work | :3 | 00:56 |
rm_work | I guess we need to add that to our huge list of TODOs | 00:56 |
johnsom | Ugh. The topics they have for presentation tags.... | 01:22 |
johnsom | "smaug" (no longer named that), "astara" (no longer a project), DNS is on there twice... | 01:23 |
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johnsom | Ok, I am signing off for the evening. | 01:29 |
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rm_work | lol sad | 02:09 |
rm_work | night | 02:09 |
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openstackgerrit | OpenStack Proposal Bot proposed openstack/neutron-lbaas-dashboard master: Imported Translations from Zanata https://review.openstack.org/429193 | 07:15 |
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