| openstackgerrit | Omer Anson proposed openstack/dragonflow: Load Balancer as a Server V2 specification https://review.openstack.org/397997 | 00:08 |
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| openstackgerrit | Li Ma proposed openstack/dragonflow: Use devstack-buildin service mgmt script https://review.openstack.org/395910 | 01:52 |
| openstackgerrit | rajiv proposed openstack/dragonflow: Moved config options for l2_app https://review.openstack.org/394725 | 03:02 |
| openstackgerrit | rajiv proposed openstack/dragonflow: Moved config options of metadata_service_app https://review.openstack.org/394282 | 03:02 |
| openstackgerrit | Hong Hui Xiao proposed openstack/dragonflow: [WIP] Add port qos code https://review.openstack.org/337497 | 03:42 |
| openstackgerrit | Li Ma proposed openstack/dragonflow: Use devstack-buildin script for install/uninstall pkgs https://review.openstack.org/395919 | 04:26 |
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| oanson | yuli_s, ping | 07:25 |
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| oanson | Morning | 08:38 |
| oanson | yuli_s, ping | 08:38 |
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| openstackgerrit | Li Ma proposed openstack/dragonflow: Use devstack-buildin script for install/uninstall pkgs https://review.openstack.org/395919 | 09:20 |
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| rajivk | oanson, ping | 09:57 |
| oanson | rajivk, pong | 09:58 |
| rajivk | :), i was trying to understand code. | 09:58 |
| rajivk | Is there any documentation, which gives information about | 09:58 |
| rajivk | what is the different ports, vm, brdige etc used in code and what is the purpose? | 09:59 |
| oanson | I don't think we have docs going down to that level of detail | 09:59 |
| rajivk | ok, can you name the concepts, they are serving? | 10:00 |
| rajivk | i will read about those. | 10:00 |
| oanson | Sorry, I don't think I understand. | 10:00 |
| rajivk | may be my questions are invalid. :) | 10:01 |
| rajivk | When vm, tunnel and brgide ports are used? | 10:02 |
| oanson | Ah, I see. | 10:03 |
| rajivk | If you can give me links, i will go through them. | 10:03 |
| oanson | VM ports are used to communicate with VMs (in future possibly also containers, namespaces, etc.). They are created by Nova, and added to OVSDB with a plug-vif event | 10:03 |
| oanson | I don't think we have docs on this. I will see if I can write something (maybe a blog post) | 10:04 |
| oanson | Dragonflow monitors OVSDB, and once such an event is detected, we connect the Neutron port with the VM port. | 10:04 |
| oanson | Tunnel ports are created by Dragonflow. They are used to create the overlay network accross compute nodes. Currently, we have a tunnel between any two compute nodes. With https://review.openstack.org/#/c/387017/ , we will have one port per compute node that will be used to connect to all others | 10:05 |
| rajivk | mesh topology? | 10:06 |
| oanson | Bridges - here its a bit less organised. | 10:06 |
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| oanson | rajivk, mesh topology - yes (If I understand you correctly) All compute nodes are in a mesh. Each can talk with all others | 10:07 |
| rajivk | oanson, yes, you understand me correctly. | 10:07 |
| oanson | There is the integration bridge (by default br-int), where all VMs and tunnel ports connect to. We use flows to implement the SDN. | 10:07 |
| oanson | There is an external bridge (by default br-ex), to which external interfaces are connected, and dNAT packets are routed to that. | 10:08 |
| oanson | Additional bridges can be added for provider networks. The mapping is done in configuration. | 10:08 |
| rajivk | ok | 10:08 |
| oanson | Then we no that when a packet needs to be passed to the provider network, it is sent to that bridge. Bridges are connected using patch-ports. I think only the integration bridge is connected to any other bridge. | 10:09 |
| oanson | i.e. br-ex and provider network bridges are not connected. | 10:09 |
| openstackgerrit | Li Ma proposed openstack/dragonflow: Use devstack-buildin script for install/uninstall pkgs https://review.openstack.org/395919 | 10:10 |
| rajivk | thanks for the information oanson | 10:10 |
| oanson | rajivk, no problem | 10:10 |
| rajivk | when i was going through code, then i may be wrong but arrangment of df_local_controller did not seem good to me | 10:11 |
| rajivk | If i am not wrong then DfLocalController class is used for initialigind ryu and other things. and it has code for _associate_floating_ip | 10:12 |
| rajivk | that i found strange. | 10:12 |
| rajivk | oanson, one last question. which code set this pipeline http://docs.openstack.org/developer/dragonflow/pipeline.html | 10:14 |
| oanson | This is not done in one specific place. It is distributed across the Dragonflow applications. | 10:15 |
| oanson | Each application updates one (or a few) blocks in the pipeline (figure 1) | 10:15 |
| oanson | For instance, the L2 application updates the L2 lookup block. It also installs ARP responders (ARP block) | 10:15 |
| oanson | L3 updates the L3 lookup blocks. It also adds ARP responders (ARP block), but only for routers | 10:16 |
| rajivk | okay | 10:16 |
| openstackgerrit | Lihi Wishnitzer proposed openstack/dragonflow: IPv6 Support in Dragonflow specification https://review.openstack.org/396226 | 10:16 |
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| oanson | yuli_s, you in? | 12:03 |
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| openstackgerrit | Omer Anson proposed openstack/dragonflow: Support passing credentials via env in fullstack https://review.openstack.org/394483 | 13:00 |
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| openstackgerrit | WangJian proposed openstack/dragonflow: Refactor port-status-update NB API https://review.openstack.org/396915 | 15:08 |
| openstackgerrit | Yuli proposed openstack/dragonflow: [WIP] Tap-as-a-service plugin https://review.openstack.org/396307 | 15:08 |
| openstackgerrit | WangJian proposed openstack/dragonflow: Refactor port-status-update NB API https://review.openstack.org/396915 | 15:23 |
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