error while deleting interface from router in python 3.5

[Onong Tayeng]

In python 3.5, removing an interface from the router throws the following error:

Mar 04 04:22:45 centos5 vpp-agent[27596]: ERROR networking_vpp.etcdutils [-] delete key /networking-vpp/nodes/centos5/routers/d9241c99-2010-441b-bca5-a4eba9cdc5e2/9129c134-3adc-454c-bfa2-7524140bc16e value None couldnot be processed: NameError: name 'unicode' is not defined
Mar 04 04:22:45 centos5 vpp-agent[27596]: ERROR networking_vpp.etcdutils Traceback (most recent call last):
Mar 04 04:22:45 centos5 vpp-agent[27596]: ERROR networking_vpp.etcdutils File "/opt/stack/networking-vpp/networking_vpp/etcdutils.py", line 633, in do_watch
Mar 04 04:22:45 centos5 vpp-agent[27596]: ERROR networking_vpp.etcdutils self.do_work(rv.action, rv.key, rv.value)
Mar 04 04:22:45 centos5 vpp-agent[27596]: ERROR networking_vpp.etcdutils File "/opt/stack/networking-vpp/networking_vpp/etcdutils.py", line 721, in do_work
Mar 04 04:22:45 centos5 vpp-agent[27596]: ERROR networking_vpp.etcdutils self.key_change(action, key, value)
Mar 04 04:22:45 centos5 vpp-agent[27596]: ERROR networking_vpp.etcdutils File "/opt/stack/networking-vpp/networking_vpp/etcdutils.py", line 746, in key_change
Mar 04 04:22:45 centos5 vpp-agent[27596]: ERROR networking_vpp.etcdutils self.removed(short_key)
Mar 04 04:22:45 centos5 vpp-agent[27596]: ERROR networking_vpp.etcdutils File "/opt/stack/networking-vpp/networking_vpp/agent/server.py", line 3368, in removed
Mar 04 04:22:45 centos5 vpp-agent[27596]: ERROR networking_vpp.etcdutils self.data.vppf.delete_router_interface_on_host(port_id)
Mar 04 04:22:45 centos5 vpp-agent[27596]: ERROR networking_vpp.etcdutils File "/opt/stack/networking-vpp/networking_vpp/agent/server.py", line 2277, in delete_router_interface_on_host
Mar 04 04:22:45 centos5 vpp-agent[27596]: ERROR networking_vpp.etcdutils 'vrf_id'], is_add=False)
Mar 04 04:22:45 centos5 vpp-agent[27596]: ERROR networking_vpp.etcdutils File "/opt/stack/networking-vpp/networking_vpp/agent/server.py", line 2134, in export_routes_from_tenant_vrfs
Mar 04 04:22:45 centos5 vpp-agent[27596]: ERROR networking_vpp.etcdutils is_ipv6=is_ipv6)
Mar 04 04:22:45 centos5 vpp-agent[27596]: ERROR networking_vpp.etcdutils File "/opt/stack/networking-vpp/networking_vpp/agent/vpp.py", line 806, in delete_ip_route
Mar 04 04:22:45 centos5 vpp-agent[27596]: ERROR networking_vpp.etcdutils next_hop = ipaddress.ip_address(unicode(bytes_to_ip(
Mar 04 04:22:45 centos5 vpp-agent[27596]: ERROR networking_vpp.etcdutils NameError: name 'unicode' is not defined

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/640707

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/640707
Committed: https://git.openstack.org/cgit/openstack/networking-vpp/commit/?id=6f09647e4d3297b9aae8e6ea14d8e9f6307f6da7
Submitter: Zuul
Branch: master

commit 6f09647e4d3297b9aae8e6ea14d8e9f6307f6da7
Author: Onong Tayeng <email address hidden>
Date: Mon Mar 4 15:25:48 2019 +0530

    Fix issue in router interface deletion

    On Python 3, trying to remove an interface from the router
    throws the following error:

    NameError: name 'unicode' is not defined

    Change-Id: I4b23c0a71af204c0ec2af4d2d624d884556ec539
    Closes-Bug: #1818491