Friday, 2018-11-09

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openstackgerritYAMAMOTO Takashi proposed openstack/neutron-lbaas master: Revert "Updated "create_pool" method in plugin"  https://review.openstack.org/61676304:25
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openstackgerritzhangzhaoshan proposed openstack/octavia-tempest-plugin master: Clean up .gitignore references to personal tools  https://review.openstack.org/61683807:19
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openstackgerritYAMAMOTO Takashi proposed openstack/neutron-lbaas master: Revert "Updated "create_pool" method in plugin"  https://review.openstack.org/61676310:44
openstackgerritZhaoBo proposed openstack/python-octaviaclient master: Add 'client_auth_option' in Listener on client side  https://review.openstack.org/61687910:57
openstackgerritZhaoBo proposed openstack/octavia master: Add client_ca_tls_container_ref to Octavia v2 listener API  https://review.openstack.org/61226710:58
openstackgerritZhaoBo proposed openstack/octavia master: Add an option to the Octavia V2 listener API for client cert  https://review.openstack.org/61226810:58
openstackgerritMerged openstack/octavia master: Fix VIP plug failure if netns directory exists  https://review.openstack.org/61638211:31
openstackgerritCarlos Goncalves proposed openstack/octavia stable/rocky: Fix VIP plug failure if netns directory exists  https://review.openstack.org/61689912:39
openstackgerritCarlos Goncalves proposed openstack/octavia stable/queens: Fix VIP plug failure if netns directory exists  https://review.openstack.org/61690012:39
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openstackgerritchenxiangui proposed openstack/octavia-dashboard master: Modify the wrong url  https://review.openstack.org/61694214:01
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xgerman_rm_work: need some Octavia recovery advice18:10
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colin-not strictly octavia related but thought this might interest folks, saw it on HN: https://www.haproxy.com/blog/application-layer-ddos-attack-protection-with-haproxy/18:15
johnsomcolin- Yeah, enabling the DDoS protections in the amphorae is on our roadmap: https://wiki.openstack.org/wiki/Octavia/Roadmap18:16
colin-read my mind18:16
johnsomThere are a number things we can do that aren't super hard, just needs someone to do the work.18:16
xgerman_you can always use QoS to limit DDos18:16
johnsomI think it should be a combination of kernel level settings (some are already on) and haproxy settings18:17
colin-do you guys set any of that on your amphorae?18:17
colin-just curious18:17
xgerman_you can set the Neutron QoS  - i dont think we do much on the amp level18:18
johnsomNo, we mostly run with the defaults in the DDoS case. So the syn cookies stuff is enabled after a threshold, etc.18:18
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openstackgerritMichael Johnson proposed openstack/octavia master: Migrate constants to use octavia-lib - Part 1  https://review.openstack.org/61701518:47
johnsomI'm trying to see if I can touch every file in octavia.... lol18:49
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rm_workxgerman_: sorry whats up21:01
rm_workxgerman_: am i too late to be helpful?21:01
rm_workdefinitely have a LOT of recovery experience :P21:01
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johnsomrm_work He had a DB go out to lunch on an old Pike install, so they got the "THIS IS NOT GOOD" and one amp down, one amp up situation.21:38
rm_workyeah21:38
rm_workthat's not too bad to fix21:38
rm_workat least for me, i wonder if it's different on the default net driver21:39
rm_worklike, 30s and done21:39
rm_work(per LB)21:39
johnsomYeah, I think it's just create a fake amp record, post an old health, mark back to active.21:40
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rm_workyeah21:44
rm_workbasically21:44
johnsomSince they have no failover api, etc....21:45
rm_workoh right ugh21:54
rm_workbut yeah that's when i was doing it too21:54
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xgerman_I got them to just recreate the servcie22:31
xgerman_that’s what we are documenting22:31
rm_work?? like, new LB?22:34
johnsompush pin meet sledge hammer22:36
xgerman_well, so we are sure that database stuff works and I should make them do that instead22:40
xgerman_?22:40
xgerman_for all I know they might have half deleted ports and such22:41
rm_workit works for me, but i don't know if it's different for your thing22:43
xgerman_yeah, on a customer site is probably the wromg place to find out :-)22:43
johnsomThe downside is the rebuild approach causes downtime22:45
rm_workah for me it doesn't?22:45
rm_workunless it's already down22:45
xgerman_if I learned anyhting is that downtime is not a concern if it saves the operator time22:48
rm_worklol22:48
johnsomRight, I meant the approach of deleting the whole thing and rebuilding causes downtime, where the fix-in-place does not22:48
rm_workah lol22:48
rm_workwell not if you do it right22:48
rm_workspin up the new thing, swing the DNS over to the new VIP22:48
johnsomBest long term solution for them is to get off pike22:48
rm_work^^ this lol22:48
xgerman_yep, and this has now new urgency22:49
rm_workit's not even hard22:49
rm_workjust upgrade the control-plane22:49
rm_workeasy peasy done22:49
rm_workdoesn't require any major changes to your cloud22:50
rm_workif you're containerized it's just "use this image instead of that one" but i assume you are using OSA22:50
xgerman_if you try to run 100s of clouds you don’t do things differently for one22:51
rm_workyeah i mean you should do that with all of them :P22:51
cgoncalves"here's 1M bucks, do this differently for me now" -- you wouldn't? ;)22:52
rm_worki would dance like a trained monkey for that money :P22:52
rm_work(admittedly, probably worse than a trained monkey, but only for lack of said training)22:53
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