Replace openstack repository by opendev

Change-Id: I89b3f71615a73e93623c24251d4fa3d0c89661c8

README.rst

@@ -9,7 +9,7 @@ via Open_vSwitch's OVSDB protocol (https://tools.ietf.org/html/rfc7047). It
 wraps the Python 'ovs' and adds an event loop and friendly transactions.
 
 * Free software: Apache license
-* Source: http://git.openstack.org/cgit/openstack/ovsdbapp
+* Source: https://opendev.org/openstack/ovsdbapp/
 * Bugs: http://bugs.launchpad.net/ovsdbapp
 
 Features

tox.ini

@@ -11,7 +11,7 @@ setenv =
    OS_TEST_PATH=./ovsdbapp/tests/unit
 install_command = pip install {opts} {packages}
 deps =
-  -c{env:UPPER_CONSTRAINTS_FILE:https://git.openstack.org/cgit/openstack/requirements/plain/upper-constraints.txt}
+  -c{env:UPPER_CONSTRAINTS_FILE:https://opendev.org/openstack/requirements/raw/branch/master/upper-constraints.txt}
   -r{toxinidir}/test-requirements.txt
   -r{toxinidir}/requirements.txt
 commands = stestr run --slowest {posargs}