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[Swaminathan Vasudevan <swaminathan.vasudevan@xxxxxx>]

Public bug reported:

TypeError is seen when trying to update an arp entry for ports with allowed_address_pairs on DVR router.
This was seen in the master branch while I was testing the allowed_address_pair with floatingips on DVR router.


plugin.update_arp_entry_for_dvr_service_port(context, port)
^[[01;31m2016-03-30 12:06:00.910 TRACE neutron.callbacks.manager ^[[01;35m^[[00m  File "/opt/stack/neutron/neutron/db/l3_dvr_db.py", line 775, in update_arp_entry_for_dvr_service_port
^[[01;31m2016-03-30 12:06:00.910 TRACE neutron.callbacks.manager ^[[01;35m^[[00m    self.l3_rpc_notifier.add_arp_entry)
^[[01;31m2016-03-30 12:06:00.910 TRACE neutron.callbacks.manager ^[[01;35m^[[00m  File "/opt/stack/neutron/neutron/db/l3_dvr_db.py", line 729, in _generate_arp_table_and_notify_agent
^[[01;31m2016-03-30 12:06:00.910 TRACE neutron.callbacks.manager ^[[01;35m^[[00m    ip_address = fixed_ip['ip_address']
^[[01;31m2016-03-30 12:06:00.910 TRACE neutron.callbacks.manager ^[[01;35m^[[00mTypeError: string indices must be integers


How to reproduce it.

1. Create a vrrp-network
2. Create a vrrp-subnet
3. Create a dvr router
4. Attach the vrrp-subnet to the router
5. Create security group rules for the vrrp-net and add rules to it.
6. Now create a VM on the vrrp-subnet
8. Now create a vrrp-port (allowed_address_pair) on the vrrp-subnet
9. Associate a floatingip to the vrrp-port.
10. Now update the VM port with the allowed_address_pair IP.

You should see this in the neutron-server logs.

** Affects: neutron
     Importance: Undecided
     Assignee: Swaminathan Vasudevan (swaminathan-vasudevan)
         Status: New


** Tags: l3-dvr-backlog

** Changed in: neutron
     Assignee: (unassigned) => Swaminathan Vasudevan (swaminathan-vasudevan)

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https://bugs.launchpad.net/bugs/1566046

Title:
  Fix TypeError when trying to update an arp entry for ports with
  allowed_address_pairs on DVR router

Status in neutron:
  New

Bug description:
  TypeError is seen when trying to update an arp entry for ports with allowed_address_pairs on DVR router.
  This was seen in the master branch while I was testing the allowed_address_pair with floatingips on DVR router.

  
  plugin.update_arp_entry_for_dvr_service_port(context, port)
  ^[[01;31m2016-03-30 12:06:00.910 TRACE neutron.callbacks.manager ^[[01;35m^[[00m  File "/opt/stack/neutron/neutron/db/l3_dvr_db.py", line 775, in update_arp_entry_for_dvr_service_port
  ^[[01;31m2016-03-30 12:06:00.910 TRACE neutron.callbacks.manager ^[[01;35m^[[00m    self.l3_rpc_notifier.add_arp_entry)
  ^[[01;31m2016-03-30 12:06:00.910 TRACE neutron.callbacks.manager ^[[01;35m^[[00m  File "/opt/stack/neutron/neutron/db/l3_dvr_db.py", line 729, in _generate_arp_table_and_notify_agent
  ^[[01;31m2016-03-30 12:06:00.910 TRACE neutron.callbacks.manager ^[[01;35m^[[00m    ip_address = fixed_ip['ip_address']
  ^[[01;31m2016-03-30 12:06:00.910 TRACE neutron.callbacks.manager ^[[01;35m^[[00mTypeError: string indices must be integers

  
  How to reproduce it.

  1. Create a vrrp-network
  2. Create a vrrp-subnet
  3. Create a dvr router
  4. Attach the vrrp-subnet to the router
  5. Create security group rules for the vrrp-net and add rules to it.
  6. Now create a VM on the vrrp-subnet
  8. Now create a vrrp-port (allowed_address_pair) on the vrrp-subnet
  9. Associate a floatingip to the vrrp-port.
  10. Now update the VM port with the allowed_address_pair IP.

  You should see this in the neutron-server logs.

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