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Message #38298
[Bug 1411883] Re: DVR qrouters are not created when VMs are added after the router-interface is added to the router
** Changed in: neutron
Status: Incomplete => Invalid
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https://bugs.launchpad.net/bugs/1411883
Title:
DVR qrouters are not created when VMs are added after the router-
interface is added to the router
Status in neutron:
Invalid
Bug description:
qrouters for DVR routers should be created on demand when VMs are
created on the compute Node.
But with the current code, it seems that is broken.
When a VM is created on a router's subnet after the router-interface
is added to the router, then the 'qrouter' namespace is not created on
the compute Node. It is only created on the "dvr_snat" node and not on
the "dvr" node.
stack@ubuntu-multinet-ctlr:~/devstack$ neutron net-create net1
Created a new network:
+---------------------------+--------------------------------------+
| Field | Value |
+---------------------------+--------------------------------------+
| admin_state_up | True |
| id | ccaeaf39-4c33-40b8-b0e0-551414a86ca3 |
| name | net1 |
| provider:network_type | vxlan |
| provider:physical_network | |
| provider:segmentation_id | 1003 |
| router:external | False |
| shared | False |
| status | ACTIVE |
| subnets | |
| tenant_id | f822fe0773cd4d21bddb4ecb2477f21d |
+---------------------------+--------------------------------------+
stack@ubuntu-multinet-ctlr:~/devstack$ neutron subnet-create net1 --name subnet1 10.20.0.0/24
Created a new subnet:
+-------------------+----------------------------------------------+
| Field | Value |
+-------------------+----------------------------------------------+
| allocation_pools | {"start": "10.20.0.2", "end": "10.20.0.254"} |
| cidr | 10.20.0.0/24 |
| dns_nameservers | |
| enable_dhcp | True |
| gateway_ip | 10.20.0.1 |
| host_routes | |
| id | e404b9cb-dd2d-4919-8b6c-72799ae7efed |
| ip_version | 4 |
| ipv6_address_mode | |
| ipv6_ra_mode | |
| name | subnet1 |
| network_id | ccaeaf39-4c33-40b8-b0e0-551414a86ca3 |
| tenant_id | f822fe0773cd4d21bddb4ecb2477f21d |
+-------------------+----------------------------------------------+
stack@ubuntu-multinet-ctlr:~/devstack$ neutron router-create router2
Created a new router:
+-----------------------+--------------------------------------+
| Field | Value |
+-----------------------+--------------------------------------+
| admin_state_up | True |
| distributed | True |
| external_gateway_info | |
| ha | False |
| id | e82022cd-d45c-4558-9d35-86a1e5f58462 |
| name | router2 |
| routes | |
| status | ACTIVE |
| tenant_id | f822fe0773cd4d21bddb4ecb2477f21d |
+-----------------------+--------------------------------------+
stack@ubuntu-multinet-ctlr:~/devstack$ neutron router-interface-add router2 subnet1
Added interface f872d6ea-f2c9-4334-8090-48d9542cdbef to router router2.
stack@ubuntu-multinet-ctlr:~/devstack$ neutron router-gateway-set router2 publicSet gateway for router router2
stack@ubuntu-multinet-ctlr:~/devstack$
stack@ubuntu-multinet-ctlr:~/devstack$
stack@ubuntu-multinet-ctlr:~/devstack$ sudo ip netns list
qrouter-e82022cd-d45c-4558-9d35-86a1e5f58462
qdhcp-5f413f3e-573f-404d-9d24-b7b11b141278
snat-acfc7720-3071-46a3-8be3-1b9430ddb47e
qrouter-acfc7720-3071-46a3-8be3-1b9430ddb47e
stack@ubuntu-multinet-ctlr:~/devstack$ sudo ip netns list
snat-e82022cd-d45c-4558-9d35-86a1e5f58462
qrouter-e82022cd-d45c-4558-9d35-86a1e5f58462
qdhcp-5f413f3e-573f-404d-9d24-b7b11b141278
snat-acfc7720-3071-46a3-8be3-1b9430ddb47e
qrouter-acfc7720-3071-46a3-8be3-1b9430ddb47e
stack@ubuntu-multinet-ctlr:~/devstack$ sudo ip netns list
snat-e82022cd-d45c-4558-9d35-86a1e5f58462
qrouter-e82022cd-d45c-4558-9d35-86a1e5f58462
qdhcp-5f413f3e-573f-404d-9d24-b7b11b141278
snat-acfc7720-3071-46a3-8be3-1b9430ddb47e
qrouter-acfc7720-3071-46a3-8be3-1b9430ddb47e
stack@ubuntu-multinet-ctlr:~/devstack$ nova boot --flavor 42 --image cirros-0.3.2-x86_64-uec --nic net-id=ccaeaf39-4c33-40b8-b0e0-551414a86ca3 mycirros-new1
+--------------------------------------+----------------------------------------------------------------+
| Property | Value |
+--------------------------------------+----------------------------------------------------------------+
| OS-DCF:diskConfig | MANUAL |
| OS-EXT-AZ:availability_zone | nova |
| OS-EXT-SRV-ATTR:host | - |
| OS-EXT-SRV-ATTR:hypervisor_hostname | - |
| OS-EXT-SRV-ATTR:instance_name | instance-00000002 |
| OS-EXT-STS:power_state | 0 |
| OS-EXT-STS:task_state | scheduling |
| OS-EXT-STS:vm_state | building |
| OS-SRV-USG:launched_at | - |
| OS-SRV-USG:terminated_at | - |
| accessIPv4 | |
| accessIPv6 | |
| adminPass | yD5n5R7KMuMj |
| config_drive | |
| created | 2015-01-17T00:09:11Z |
| flavor | m1.nano (42) |
| hostId | |
| id | 53537468-7089-4abf-ab25-696af363c6c4 |
| image | cirros-0.3.2-x86_64-uec (98d3d4ad-065b-4601-b9ed-51fe21cea7db) |
| key_name | - |
| metadata | {} |
| name | mycirros-new1 |
| os-extended-volumes:volumes_attached | [] |
| progress | 0 |
| security_groups | default |
| status | BUILD |
| tenant_id | f822fe0773cd4d21bddb4ecb2477f21d |
| updated | 2015-01-17T00:09:11Z |
| user_id | f19a68c6af61462f889df48fad5d4c36 |
+--------------------------------------+----------------------------------------------------------------+
stack@ubuntu-multinet-ctlr:~/devstack$ nova list
+--------------------------------------+---------------+--------+------------+-------------+------------------+
| ID | Name | Status | Task State | Power State | Networks |
+--------------------------------------+---------------+--------+------------+-------------+------------------+
| ebaf4276-ce74-47f3-aa5b-65ca81e30f61 | mycirros-new | ACTIVE | - | Running | private=10.0.0.3 |
| 53537468-7089-4abf-ab25-696af363c6c4 | mycirros-new1 | ACTIVE | - | Running | net1=10.20.0.3 |
+--------------------------------------+---------------+--------+------------+-------------+------------------+
stack@ubuntu-multinet-ctlr:~/devstack$
stack@ubuntu-multinet-ctlr:~/devstack$ sudo ip netns list
qdhcp-ccaeaf39-4c33-40b8-b0e0-551414a86ca3
snat-e82022cd-d45c-4558-9d35-86a1e5f58462
qrouter-e82022cd-d45c-4558-9d35-86a1e5f58462
qdhcp-5f413f3e-573f-404d-9d24-b7b11b141278
snat-acfc7720-3071-46a3-8be3-1b9430ddb47e
qrouter-acfc7720-3071-46a3-8be3-1b9430ddb47e
stack@ubuntu-multinet-ctlr:~/devstack$ neutron l3-agent-hosting-router router2
Unknown command [u'l3-agent-hosting-router', u'router2']
stack@ubuntu-multinet-ctlr:~/devstack$ neutron l3-agent-list-hosting-router router2
+--------------------------------------+----------------------+----------------+-------+
| id | host | admin_state_up | alive |
+--------------------------------------+----------------------+----------------+-------+
| ef0fcc03-dfb3-4b29-a78f-f278ffe83f4c | ubuntu-multinet-ctlr | True | :-) |
+--------------------------------------+----------------------+----------------+-------+
stack@ubuntu-multinet-ctlr:~/devstack$
stack@ubuntu-multinet-ctlr:~/devstack$ neutron agent-list
+--------------------------------------+--------------------+-------------------------+-------+----------------+---------------------------+
| id | agent_type | host | alive | admin_state_up | binary |
+--------------------------------------+--------------------+-------------------------+-------+----------------+---------------------------+
| 3d330111-58db-4480-a7bd-eb2ee7447af7 | Metadata agent | ubuntu-multinet-ctlr | :-) | True | neutron-metadata-agent |
| 80aa9d84-9f06-4187-a925-b0c77bab68c6 | L3 agent | ubuntu-multinet-compute | :-) | True | neutron-l3-agent |
| 88aeed99-3942-44c6-a933-3cd85bf918d1 | Open vSwitch agent | ubuntu-multinet-ctlr | :-) | True | neutron-openvswitch-agent |
| 957a87bb-2972-4315-a260-1e5068f93451 | Metadata agent | ubuntu-multinet-compute | :-) | True | neutron-metadata-agent |
| b0d98f4f-a0a1-42d6-b6f4-3b18e142861e | DHCP agent | ubuntu-multinet-ctlr | :-) | True | neutron-dhcp-agent |
| dfa7b986-6f3d-4bac-b111-61a4cc3a811b | Open vSwitch agent | ubuntu-multinet-compute | :-) | True | neutron-openvswitch-agent |
| ef0fcc03-dfb3-4b29-a78f-f278ffe83f4c | L3 agent | ubuntu-multinet-ctlr | :-) | True | neutron-l3-agent |
+--------------------------------------+--------------------+-------------------------+-------+----------------+---------------------------+
stack@ubuntu-multinet-ctlr:~/devstack$
stack@ubuntu-multinet-ctlr:~/devstack$ sudo ip netns list
qdhcp-ccaeaf39-4c33-40b8-b0e0-551414a86ca3
snat-e82022cd-d45c-4558-9d35-86a1e5f58462
qrouter-e82022cd-d45c-4558-9d35-86a1e5f58462
qdhcp-5f413f3e-573f-404d-9d24-b7b11b141278
snat-acfc7720-3071-46a3-8be3-1b9430ddb47e
qrouter-acfc7720-3071-46a3-8be3-1b9430ddb47e
stack@ubuntu-multinet-ctlr:~/devstack$ neutron net-create net2
Created a new network:
+---------------------------+--------------------------------------+
| Field | Value |
+---------------------------+--------------------------------------+
| admin_state_up | True |
| id | 9942caf3-0bbe-4fc0-80c6-72f663d017db |
| name | net2 |
| provider:network_type | vxlan |
| provider:physical_network | |
| provider:segmentation_id | 1004 |
| router:external | False |
| shared | False |
| status | ACTIVE |
| subnets | |
| tenant_id | f822fe0773cd4d21bddb4ecb2477f21d |
+---------------------------+--------------------------------------+
stack@ubuntu-multinet-ctlr:~/devstack$ neutron subnet-create net2 --name subnet2 10.30.0.0/24
Created a new subnet:
+-------------------+----------------------------------------------+
| Field | Value |
+-------------------+----------------------------------------------+
| allocation_pools | {"start": "10.30.0.2", "end": "10.30.0.254"} |
| cidr | 10.30.0.0/24 |
| dns_nameservers | |
| enable_dhcp | True |
| gateway_ip | 10.30.0.1 |
| host_routes | |
| id | c0f1990a-2845-43e0-95e4-a6b52c81b62b |
| ip_version | 4 |
| ipv6_address_mode | |
| ipv6_ra_mode | |
| name | subnet2 |
| network_id | 9942caf3-0bbe-4fc0-80c6-72f663d017db |
| tenant_id | f822fe0773cd4d21bddb4ecb2477f21d |
+-------------------+----------------------------------------------+
stack@ubuntu-multinet-ctlr:~/devstack$ nova boot --flavor 42 --image cirros-0.3.2-x86_64-uec --nic net-id=9942caf3-0bbe-4fc0-80c6-72f663d017db mycirros-new2
+--------------------------------------+----------------------------------------------------------------+
| Property | Value |
+--------------------------------------+----------------------------------------------------------------+
| OS-DCF:diskConfig | MANUAL |
| OS-EXT-AZ:availability_zone | nova |
| OS-EXT-SRV-ATTR:host | - |
| OS-EXT-SRV-ATTR:hypervisor_hostname | - |
| OS-EXT-SRV-ATTR:instance_name | instance-00000003 |
| OS-EXT-STS:power_state | 0 |
| OS-EXT-STS:task_state | scheduling |
| OS-EXT-STS:vm_state | building |
| OS-SRV-USG:launched_at | - |
| OS-SRV-USG:terminated_at | - |
| accessIPv4 | |
| accessIPv6 | |
| adminPass | ZTfGdgJaFz9X |
| config_drive | |
| created | 2015-01-17T00:17:06Z |
| flavor | m1.nano (42) |
| hostId | |
| id | b8e66998-97e9-4c4c-b64d-b97847fdb41f |
| image | cirros-0.3.2-x86_64-uec (98d3d4ad-065b-4601-b9ed-51fe21cea7db) |
| key_name | - |
| metadata | {} |
| name | mycirros-new2 |
| os-extended-volumes:volumes_attached | [] |
| progress | 0 |
| security_groups | default |
| status | BUILD |
| tenant_id | f822fe0773cd4d21bddb4ecb2477f21d |
| updated | 2015-01-17T00:17:06Z |
| user_id | f19a68c6af61462f889df48fad5d4c36 |
+--------------------------------------+----------------------------------------------------------------+
stack@ubuntu-multinet-ctlr:~/devstack$ nova list
+--------------------------------------+---------------+--------+------------+-------------+------------------+
| ID | Name | Status | Task State | Power State | Networks |
+--------------------------------------+---------------+--------+------------+-------------+------------------+
| ebaf4276-ce74-47f3-aa5b-65ca81e30f61 | mycirros-new | ACTIVE | - | Running | private=10.0.0.3 |
| 53537468-7089-4abf-ab25-696af363c6c4 | mycirros-new1 | ACTIVE | - | Running | net1=10.20.0.3 |
| b8e66998-97e9-4c4c-b64d-b97847fdb41f | mycirros-new2 | ACTIVE | - | Running | net2=10.30.0.2 |
+--------------------------------------+---------------+--------+------------+-------------+------------------+
stack@ubuntu-multinet-ctlr:~/devstack$ neutron router-create router3
Created a new router:
+-----------------------+--------------------------------------+
| Field | Value |
+-----------------------+--------------------------------------+
| admin_state_up | True |
| distributed | True |
| external_gateway_info | |
| ha | False |
| id | 7bacb095-134f-4a38-846b-ce20348def3e |
| name | router3 |
| routes | |
| status | ACTIVE |
| tenant_id | f822fe0773cd4d21bddb4ecb2477f21d |
+-----------------------+--------------------------------------+
stack@ubuntu-multinet-ctlr:~/devstack$ neutron router-interface-add router3 subnet2
Added interface 934d2899-d912-4b4f-926b-0fc1320a9aac to router router3.
stack@ubuntu-multinet-ctlr:~/devstack$
stack@ubuntu-multinet-ctlr:~/devstack$ neutron l3-agent-list-hosting-router router3
+--------------------------------------+-------------------------+----------------+-------+
| id | host | admin_state_up | alive |
+--------------------------------------+-------------------------+----------------+-------+
| 80aa9d84-9f06-4187-a925-b0c77bab68c6 | ubuntu-multinet-compute | True | :-) |
| ef0fcc03-dfb3-4b29-a78f-f278ffe83f4c | ubuntu-multinet-ctlr | True | :-) |
+--------------------------------------+-------------------------+----------------+-------+
stack@ubuntu-multinet-ctlr:~/devstack$ sudo ip netns list
qrouter-7bacb095-134f-4a38-846b-ce20348def3e
qdhcp-9942caf3-0bbe-4fc0-80c6-72f663d017db
qdhcp-ccaeaf39-4c33-40b8-b0e0-551414a86ca3
snat-e82022cd-d45c-4558-9d35-86a1e5f58462
qrouter-e82022cd-d45c-4558-9d35-86a1e5f58462
qdhcp-5f413f3e-573f-404d-9d24-b7b11b141278
snat-acfc7720-3071-46a3-8be3-1b9430ddb47e
qrouter-acfc7720-3071-46a3-8be3-1b9430ddb47e
stack@ubuntu-multinet-ctlr:~/devstack$ neutron router-gateway-set router3 publicSet gateway for router router3
stack@ubuntu-multinet-ctlr:~/devstack$
stack@ubuntu-multinet-ctlr:~/devstack$ sudo ip netns list
snat-7bacb095-134f-4a38-846b-ce20348def3e
qrouter-7bacb095-134f-4a38-846b-ce20348def3e
qdhcp-9942caf3-0bbe-4fc0-80c6-72f663d017db
qdhcp-ccaeaf39-4c33-40b8-b0e0-551414a86ca3
snat-e82022cd-d45c-4558-9d35-86a1e5f58462
qrouter-e82022cd-d45c-4558-9d35-86a1e5f58462
qdhcp-5f413f3e-573f-404d-9d24-b7b11b141278
snat-acfc7720-3071-46a3-8be3-1b9430ddb47e
qrouter-acfc7720-3071-46a3-8be3-1b9430ddb47e
stack@ubuntu-multinet-ctlr:~/devstack$
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References
