Replace git.openstack.org URLs with opendev.org URLs

Change-Id: I06b5f84891c7d90837cfbbdbb532f8479620c6c7
Closes-Bug: #1827761

README.rst

@@ -20,7 +20,7 @@ all OpenStack services.
 
 * Free software: Apache license
 * Documentation: https://docs.openstack.org/oslo.policy/latest/
-* Source: https://git.openstack.org/cgit/openstack/oslo.policy
+* Source: https://opendev.org/openstack/oslo.policy
 * Bugs: https://bugs.launchpad.net/oslo.policy
 * Blueprints: https://blueprints.launchpad.net/oslo.policy
 * Release Notes: https://docs.openstack.org/releasenotes/oslo.policy

doc/source/conf.py

@@ -51,7 +51,7 @@ exclude_patterns = ['api/oslo_policy.tests.*', 'api/setup.rst']
 # General information about the project.
 project = u'oslo.policy'
 copyright = u'2014, OpenStack Foundation'
-source_tree = 'https://git.openstack.org/cgit/openstack/oslo.policy/tree'
+source_tree = 'https://opendev.org/openstack/oslo.policy/src/branch/master'
 
 # If true, '()' will be appended to :func: etc. cross-reference text.
 add_function_parentheses = True

tox.ini

@@ -5,7 +5,7 @@ envlist = py37,py36,py35,py27,pep8,docs
 [testenv]
 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}