Thursday, 2019-08-01

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openstackgerritpengyuesheng proposed openstack/neutron-fwaas master: Bump the openstackdocstheme extension to 1.20  https://review.opendev.org/67266102:12
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openstackgerritMerged openstack/neutron master: Fix init of RequestConstructor in test_rpc.py  https://review.opendev.org/67188002:17
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openstackgerritqinhaizhong proposed openstack/neutron-specs master: Introduce distributed locks to ipam module  https://review.opendev.org/65722102:26
openstackgerritpengyuesheng proposed openstack/os-vif master: Bump the openstackdocstheme extension to 1.20  https://review.opendev.org/67285702:28
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openstackgerritqinhaizhong proposed openstack/neutron-specs master: Introduce distributed locks to ipam module  https://review.opendev.org/65722102:35
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openstackgerritqinhaizhong proposed openstack/neutron-specs master: Introduce distributed locks to ipam module  https://review.opendev.org/65722103:17
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openstackgerritMerged openstack/neutron master: Initialize modifiable list of resources in CacheBackedPluginApi.  https://review.opendev.org/67226105:50
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openstackgerritLajos Katona proposed openstack/networking-odl master: Make tempest jobs use the latest ODL versions  https://review.opendev.org/67292507:52
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dongfangsheng1slaweq: I have snap packages via tcpdump, and I found these arp packages could be sent out08:08
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dongfangsheng1When I ping 10.1.91.163 which is a standalone host out of openstack environment from openstack router whose IP is 10.1.91.2, I tcpdump on host 10.1.91.16308:10
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dongfangsheng1I found this host can receive arp packages from openstack router08:11
dongfangsheng110:44:45.750553 ARP, Request who-has 10.1.90.163 tell 10.1.91.2, length 4608:13
dongfangsheng110:44:45.750580 ARP, Reply 10.1.90.163 is-at 6c:ae:8b:ff:ff:ff (oui Unknown), length 2808:13
dongfangsheng1slaweq: this is the output of tcpdump08:13
dongfangsheng1but still no access and can not ping successfully08:14
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openstackgerritpengyuesheng proposed openstack/networking-sfc master: Blacklist sphinx 2.1.0 (autodoc bug)  https://review.opendev.org/67396208:59
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openstackgerritpengyuesheng proposed openstack/networking-sfc master: Bump the openstackdocstheme extension to 1.20  https://review.opendev.org/67396309:03
openstackgerritdharmendra kushwaha proposed openstack/networking-sfc master: Add Python 3 Train unit tests  https://review.opendev.org/66942309:04
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slaweqdongfangsheng1: maybe arp reply is blocked somewhere in Your network?09:28
slaweqI really don't know how to help You with this09:28
slaweqbut this doesn't look like neutron issue09:28
openstackgerritYAMAMOTO Takashi proposed openstack/networking-midonet master: Remove py35 job  https://review.opendev.org/67398109:36
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qinhaizhongslaweq: Hi, according to last week's meeting, I added some detailed designs, please review.11:07
qinhaizhonghttps://review.opendev.org/#/c/65722111:07
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openstackgerritSlawek Kaplonski proposed openstack/neutron master: [DVR] Add lock during creation of FIP agent gateway port  https://review.opendev.org/67333111:15
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openstackgerritLajos Katona proposed openstack/networking-odl master: Make tempest jobs use the latest ODL versions  https://review.opendev.org/67292511:42
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openstackgerritLajos Katona proposed openstack/networking-odl master: Make tempest jobs use the latest ODL versions  https://review.opendev.org/67292511:55
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kevinzhaleyb: ping12:01
kevinzhaleyb: Hi, I've followed the https://docs.openstack.org/neutron/rocky/admin/config-ipv6.html, deployed dibbler server on network node, but dibbler server don't receive any requests when router add instance12:04
kevinzsorry, add interface12:04
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openstackgerritJens Harbott (frickler) proposed openstack/neutron master: Remove dead link  https://review.opendev.org/67401812:40
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cloudkittenDVR/Rocky: router ext. gw _w/o SNAT_ gets dropped on dvr-snat node in snat-instance on filter -A neutron-l3-agent-scope (-o qg !mark -j drop, -o qg !mark -j drop).13:32
fricklerslaweq: (or other API/L3 experts) why is the ha_state only shown in /v2.0/routers/{router_id}/l3-agents ? I want to find out all routers that have e.g. ha_state=Active and are hosted on a particular L3 agent. currently I need to iterate over all routers for that. would it be possible to add a filter option to /v2.0/agents/{agent_id}/l3-routers ?13:33
cloudkittenI think it's because there's no snatting/conntracking to restore the mark from possibly? When I toss the filter / neutron-l3-agent-scope entries things are pinging.13:33
fricklercloudkitten: you may want to use address-scopes, see https://docs.openstack.org/neutron/latest/admin/config-address-scopes.html13:34
openstackgerritLajos Katona proposed openstack/networking-odl master: Make tempest jobs use the latest ODL versions  https://review.opendev.org/67292513:35
slaweqfrickler: hi13:36
slaweqfrickler: I think that this should be probably new rfe or at least bug to add this filter to this API call13:37
slaweqfrickler: but for me worked something like:13:37
slaweqneutron router-list-on-l3-agent ebb16402-bdb5-4d1c-844e-63d2ec5dfe51 -c id -c ha13:37
slaweqthan I got list of routers and ha_state field for them so I can filter them on client's side13:38
slaweqfrickler: would it be enough for You?13:38
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openstackgerritRodolfo Alonso Hernandez proposed openstack/neutron master: Delay HA router transition from "backup" to "master"  https://review.opendev.org/67256813:39
fricklerslaweq: that "ha" field only says whether the router is running in HA mode or not. I need ha_state which tells whether that particular L3 agent is active or standby for the router13:41
fricklerslaweq: I can create an rfe bug, I just wanted to check beforehand whether there's some reason not to do it13:42
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slaweqfrickler: ok, I see now13:44
fricklerslaweq: the api-ref is also extremely terse about ha_state, only one mention in the sample response13:44
slaweqI don't know how hard/easy it would be to implement that13:44
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cloudkittenWhat do I do when I think I might have found a bug but it could be user-stupidity as well?14:12
openstackgerritLajos Katona proposed openstack/networking-odl master: Try deinit odl_features in TestOdlFeaturesNoFixture setUpClass  https://review.opendev.org/66890414:12
cloudkittenIn DVR w/ routers, provider network is private-space, tenant-self-service network is public ip space, we do BGP so tenant-subnet is announced into TOR switch. Subnet route points to DVR-SNAT box.14:13
cloudkittenon DVR-snat box, when you disable SNAT on external gw. Traffic stops flowing due to lack of markings in snat-instance / table mangle, dropped on filter postrouting due to lack of marking14:14
openstackgerritboden proposed openstack/neutron master: use callback payloads for SECURITY_GROUP  https://review.opendev.org/67404414:14
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cloudkittenI had to ip netns exec snat-xxxx iptables -t filter -D neutron-l3-agent-scope 2 (-o qg-xxxx ifnotmatch mark drop) and add mangle -A neutron-l3-agent-POSTROUTING -o qg-xxx -m connmark --mark 0x0/0xffff0000 -j CONNMARK --save-mark --nfmask 0xffff0000 --ctmask 0xffff000014:17
cloudkittenMaybe the question is, should you conntrack when you do pure routing.14:19
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cloudkittenOne issue is in neutron#rocky in neutron\agent\l3\router_info.py#1093, dont_block_external should ignore self._snat_enabled, pure-routed also needs to egress.14:38
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openstackgerritMaciej Józefczyk proposed openstack/networking-ovn master: Handle events in separate IDL  https://review.opendev.org/67326914:43
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slaweqcloudkitten: please report a bug on launchpad than, someone from L3 subteam will triage it14:55
cloudkittenokay slaweq willco14:55
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openstackgerritLIU Yulong proposed openstack/neutron master: L3 Conntrack Helper - Release Note  https://review.opendev.org/67083615:13
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openstackgerritLIU Yulong proposed openstack/neutron master: Add l3 conntrack helper to devstack plugin  https://review.opendev.org/67083715:15
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openstackgerritSlawek Kaplonski proposed openstack/neutron master: Add 3 retry attempts to initialize ovs agent  https://review.opendev.org/67408516:13
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openstackgerritRodolfo Alonso Hernandez proposed openstack/neutron master: Refactor the L3 agent batch notifier  https://review.opendev.org/67253317:11
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openstackgerritSlawek Kaplonski proposed openstack/networking-ovn master: Add advanced image (Ubuntu) to run tests which require it  https://review.opendev.org/67292617:24
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gregworkhas anyone seen an issue where a bare metal instantiation fails due to ironic losing a fight with neutron on vif allocation?18:13
gregworkInternalServerError: Unable to attach VIF 5afd551f-4cbd-42af-8230-d3af57995922 because Ironic can not update Neutron port 5afd551f-4cbd-42af-8230-d3af57995922 MAC address to match physical MAC address ec:0d:9a:65:68:8c18:13
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abaindurhey, so it seems the fix for this was reverted: https://bugs.launchpad.net/neutron/+bug/160840019:11
openstackLaunchpad bug 1608400 in neutron "Neutron should not add ARP entry for allowed-address-pair-fixed-ip in DVR router" [High,Fix released] - Assigned to Swaminathan Vasudevan (swaminathan-vasudevan)19:11
abaindurreverted due to this: https://bugs.launchpad.net/neutron/+bug/177399919:11
openstackLaunchpad bug 1773999 in neutron "Allowed Address Pairs doesn’t work after neutron-port update" [Undecided,Fix released]19:11
abaindurare there any plans to fix the original issue? Is there a different bug to track it (cant find anything)19:12
openstackgerritBrian Haley proposed openstack/neutron master: Use admin context when updating router gateway  https://review.opendev.org/67017719:12
aspiersHi all, just noticed that api_workers defaults to the number of CPUs. I have a big 256-CPU box and I'm not sure if it makes sense to have 256 workers?19:17
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abainduraspiers: yea that seems high. can't you just override api_workers in neutron.conf then?19:20
aspiersabaindur: sure but devstack is currently too dumb to do that19:21
aspiersit defaults to 64 workers in that case19:21
aspiersand yes, I have good reasons for running devstack on this box ;-)19:21
abaindurah devstack19:21
aspiersI'm filing a devstack bug19:21
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openstackgerritboden proposed openstack/networking-ovn master: use callback payloads for SECURITY_GROUP  https://review.opendev.org/67411519:23
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haleybaspiers: you can set API_WORKERS in your local.conf19:28
aspiershaleyb: yes I know19:28
aspiershaleyb: my point is that the default is wrong in devstack19:28
aspiersI've filed https://bugs.launchpad.net/devstack/+bug/183868819:28
openstackLaunchpad bug 1838688 in devstack "API_WORKERS default too high on machines with many CPUs" [Undecided,New]19:28
haleybok, so it should have a max19:28
aspiershaleyb: good, you agree with me :)19:29
aspiersthanks for the feedback19:29
haleybyes, i thought you didn't know it could be over-ridden19:29
aspiersnah, the big mystery is why the heartbeats are causing mysqld to do heavy writes19:30
aspiersbut that's a nova thing more than neutron19:30
aspiershrm, rpc_workers is supposed to default to half of api_workers but that's not happening here19:33
aspiersahhh it's a bug19:34
aspiersI'll fix it19:35
aspiersdone19:38
abaindurhaleyb: while i have you, ha a question: Lets say I attach a network 2 two DVR routers. Shouldn't there by dvr mac conversion rules for both router ports?19:38
abaindurspecifically this rule:19:39
abaindurtable=1, n_packets=0, n_bytes=0, idle_age=1843, priority=4,dl_vlan=13,dl_dst=fa:16:3e:ce:f8:cd actions=mod_dl_src:fa:16:3e:5c:44:da,resubmit(,60)19:40
abaindurwhere dl_dst is a local MAC, and mod_dl_src is the MAC of the network:router_interface_distributed Port19:40
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haleybabaindur: an internal network?  i'm not exactly understanding the layout.  we have fixed some bugs recently wrt to dvr routers and multiple networks19:44
openstackgerritAdam Spiers proposed openstack/neutron master: Fix default RPC worker count  https://review.opendev.org/67412519:58
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aspiershaleyb, abaindur: ^^^19:59
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abaindurhaleyb: yes, its an internal network20:09
abaindurJust create a simple tenant network. Creates router #1, and attach network to it.20:09
abaindurspin up some VMs20:09
abainduryou'll see that mac rule that converts from the per-host DVR mac back to router DVR port20:10
abaindurnow create Router #2, attach network to it w/ some other IP20:10
abaindurthose dvr mac rules are missing20:10
abaindurAdditonally it seems if you delete Router #2, it deletes the flows it had for Router #1, basically killing l3 east-west connectivity for that network20:11
haleybabaindur: sorry, i don't have time to look today, but we did recently fix some e/w issues w/dvr, are you running master?20:18
haleybit was mostly l3 changes though20:18
abaindurNope, seen on pike, but going to validate later on rocky20:18
haleybthey were probably backported, master change i'm thinking of was https://review.opendev.org/#/c/597567/20:21
haleybhttps://bugs.launchpad.net/neutron/+bug/178627220:21
openstackLaunchpad bug 1786272 in neutron "Connection between two virtual routers does not work with DVR" [Medium,Fix released] - Assigned to Slawek Kaplonski (slaweq)20:21
haleybif it's the same issue20:21
openstackgerritboden proposed openstack/networking-midonet master: use callback payloads for SECURITY_GROUP  https://review.opendev.org/67413220:39
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abaindurhaleyb: no that looks slightly diff, and we have that patch - it was backported into pike21:02
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openstackgerritMerged openstack/neutron master: use callback payloads for PROVISIONING_COMPLETE  https://review.opendev.org/67384321:32
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openstackgerritMerged openstack/networking-bgpvpn master: Update api-ref location  https://review.opendev.org/67213721:42
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