Monday, 2016-11-14

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openstackgerritrajiv proposed openstack/dragonflow: Output format of df-db changed to display output in table  https://review.openstack.org/39360502:56
openstackgerritMerged openstack/dragonflow: Refactor local_networks in L2ML2App  https://review.openstack.org/39265102:56
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openstackgerritrajiv proposed openstack/dragonflow: add 'pxe boot' feature to dhcp_app  https://review.openstack.org/32039803:37
openstackgerritrajiv proposed openstack/dragonflow: add 'pxe boot' feature to dhcp_app  https://review.openstack.org/32039803:40
openstackgerritHong Hui Xiao proposed openstack/dragonflow: Re-download dhcp flow when enable dhcp of subnet  https://review.openstack.org/39325203:45
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openstackgerritLi Ma proposed openstack/dragonflow: [WIP] Cassandra Support  https://review.openstack.org/39699704:39
openstackgerritLi Ma proposed openstack/dragonflow: [WIP] Cassandra Support  https://review.openstack.org/39699704:45
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openstackgerritHong Hui Xiao proposed openstack/dragonflow: Re-download dhcp flow when enable dhcp of subnet  https://review.openstack.org/39325206:51
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openstackgerritrajiv proposed openstack/dragonflow: Output format of df-db changed to display output in table  https://review.openstack.org/39360507:53
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openstackgerritHong Hui Xiao proposed openstack/dragonflow: Update logical port when pull tenant topology from db  https://review.openstack.org/38534907:56
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openstackgerritHong Hui Xiao proposed openstack/dragonflow: Create virtual tunnel port when specified  https://review.openstack.org/38701708:17
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openstackgerritYuli proposed openstack/dragonflow: [WIP] Tap-as-a-service plugin  https://review.openstack.org/39630708:24
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openstackgerritLihi Wishnitzer proposed openstack/dragonflow: IPv6 Support in Dragonflow specification  https://review.openstack.org/39622608:55
oansonHi. Dragonflow weekly starts in a minute08:59
oansonIn channel #openstack-meeting-408:59
oansonCome one, come all08:59
oansonhear ye, hear ye08:59
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oansonnick-ma_, Are you in the meeting?09:01
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yuelongguanghi09:36
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yuelongguangi am new here.09:39
rajivkYou can join meeting on #openstack-meeting-4 channel09:40
yuelongguangis there a detailed document  how to install dragonflow with openstack.09:40
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rajivkyuelongguang, http://docs.openstack.org/developer/dragonflow/readme.html09:42
yuelongguangrajivk, only with devstack?09:47
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rajivkOther team member's are busy with meeting, they can respond after meeting09:54
rajivkit is about to finish09:54
oansonyuelongguang, hi09:59
oansonSorry, like rajivk said, we were in the weekly meeting :)09:59
oansonCurrently, only devstack installation is supported.09:59
yuelongguanghi, i want to learn of dragonflow.09:59
oansonWe are working on OpenstackAnsible installation, which I hope will be ready soon.10:00
oansonOur main docs page is here: http://docs.openstack.org/developer/dragonflow/10:00
oansonI can give you an overview if you'd like10:00
oansonI think this is the best page to start from: http://docs.openstack.org/developer/dragonflow/distributed_dragonflow.html10:01
oansonIt give the mission statement, design, etc.10:01
oansongives*10:02
yuelongguangi want to know the dependency between dragonflow and openstack, so normal installion  manual  is needed. :)10:03
oansonCurrently Dragonflow only works as a Neutron implementation10:03
oansonSo there is a tight-coupling dependency.10:03
oansonWe are looking into a native API. But the discussion is still early.10:04
nick-ma_oanson: Sorry,  I am in another discussion.10:04
yuelongguangi  have seen all document above.10:04
oansonnick-ma_, No worries. :) Sounds like you have a lot on your plate.10:04
oansonyuelongguang, the native API discussion is in this ehterpad: https://etherpad.openstack.org/p/dragonflow_api10:05
yuelongguangi have other questiones to  consult .10:05
oansonSure10:05
openstackgerrityuan wei proposed openstack/dragonflow: add active detection app for allowed address pairs  https://review.openstack.org/33997510:06
yuelongguangdocument on github or openstack.org, which is latest?   i saw github;s update  was 5 monthes ago10:07
oansonI think openstack.org is automatically updated from github10:08
oansonAnd the general things are not modified very often. We haven't made any ground breaking changes lately10:09
nick-ma_oanson: I am in a joint development team which is highly classified and members are working in a damn small meeting room. I am only available after work.10:13
nick-ma_yuelongguang: hi,  you can start with devstack. I think it is not hard to catch for you.10:14
oansonnick-ma_, no complaints from my end. I think so far you're doing amazing work! :)10:16
nick-ma_oanson: Thanks. I will be back soon.  Hopefully the next week.10:19
oansonAll right. Good luck!10:20
yuelongguang:), could we talk about  the first 3 features , http://docs.openstack.org/developer/dragonflow/centralized_dragonflow.html#features10:21
yuelongguang'routing IPv4 East-West traffic', what does that mean ? any special10:23
oansonyuelongguang, we are concentrating more on distributed than centralised. It will be moved out slowly.10:31
oansonBut in general, east-west traffic is network connectivity between VMs in the cloud10:31
oansonIPv4 east-west traffic means that VMs can communicate using IPv4 network.10:32
oansonIPv6 will be added this cycle10:32
oansonWe support both L2 (VMs exist on the same virtual networks) and L3 (VMs are on different networks, which are connected via routers).10:33
oansonThis also works if the VMs are hosted on different compute nodes in the cloud.10:33
yuelongguangany special? let divide traffic into 3 parts. east-west, snat , dnat.  could you explain the theory of  latest implemention  or web link?10:38
yuelongguanghttp://docs.openstack.org/developer/dragonflow/centralized_dragonflow.html#distributed-virtual-router , is it the way to handle east-west traffic?10:39
openstackgerritHong Hui Xiao proposed openstack/dragonflow: [WIP] Support port extra dhcp options  https://review.openstack.org/39713611:12
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openstackgerritOpenStack Proposal Bot proposed openstack/dragonflow: Updated from global requirements  https://review.openstack.org/39714011:25
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openstackgerritjingting proposed openstack/dragonflow: Support VM live migration  https://review.openstack.org/39716912:34
openstackgerritjingting proposed openstack/dragonflow: Support VM live migration  https://review.openstack.org/39716912:37
openstackgerritWangJian proposed openstack/dragonflow: Allow to change chassis info after df controller restart  https://review.openstack.org/36507713:06
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openstackgerritWangJian proposed openstack/dragonflow: Refactor port-status-update NB API  https://review.openstack.org/39691514:17
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openstackgerritLihi Wishnitzer proposed openstack/dragonflow: IPv6 Support in Dragonflow specification  https://review.openstack.org/39622615:21
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yuli_shttps://bugs.launchpad.net/dragonflow/+bug/164162615:27
openstackLaunchpad bug 1641626 in DragonFlow "Failed to load VM in multi-node setup" [Medium,New] - Assigned to Yuli (stremovsky)15:27
yuli_soanson, please take a look at the above bug15:27
yuli_si traced the problem I had with creating VMs in multi-node setup15:27
oansonFrom the bug, it doesn't sound like a multinode issue15:28
yuli_syes,15:28
oansonAdditionally, the VM failed to create - that isn't due to an exception in the local controller15:28
yuli_si see this error in the vm status15:29
yuli_s{"message": "Build of instance 199964a0-ff89-4bcd-901a-8dfd1f92846e aborted: Failed to allocate the network(s), not rescheduling.", "code": 500, "details": "  File \"/opt/stack/nova/nova/compute/manager.py\", line 1779, in _do_build_and_run_instance15:29
yuli_sthe error is somehow propagated15:30
oansonThat makes sense. You're trying to create a VM on a network, but you're not allowed15:30
yuli_syes !15:30
oansonThis may be an issue on Nova side, but it may be desired behaviour15:30
oansonOn Dragonflow, the error is that we are not exiting gracefully, but throwing an exception instead.15:30
yuli_swe might close this at dragonflow/neutron/ml2/mech_driver.py15:31
yuli_sand add a sanity check15:31
yuli_sto prevent the VM to be created15:31
oansonSounds like the correct solution.15:31
yuli_sok, great !15:31
oansonWait15:31
oansonPrevent the DHCP/VM port from being handled15:32
oansonWe can't break VM creation. We're not allowed to do that15:32
oansonThis may be a bug with Nova, they need to decide what to do about it15:32
yuli_shm, ok15:32
oansonWe need to handle the situation gracefully - In DHCP app verify that lswitch/subnet exist before acting on them15:33
oansonIn mechanism driver, maybe not creating the port (Because it is not attached to a network/subnet)15:33
yuli_shm, the problem is that we have different tenants15:33
oansonNot strictly a problem :)15:33
yuli_sok, good idea with DHCP15:34
yuli_slets discuss tomorrow morning15:34
oansonSounds like a plan!15:34
oansonThanks!15:34
yuli_s;)15:34
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