Replace git.openstack.org with opendev.org

This patch replaces git.openstack.org with opendev.org as redirection
from old path was enabled.
Also we change upper constraints url due to [1]

[1] http://lists.openstack.org/pipermail/openstack-discuss/2019-May/006478.html

Change-Id: I4f6fc9144bee0cf49326cc9df8b0f972d8bd5064

defaults/main.yml

@@ -47,10 +47,10 @@ nova_pip_package_state: "latest"
 nova_install_method: "source"
 nova_venv_python_executable: "{{ openstack_venv_python_executable | default('python2') }}"
 
-nova_git_repo: https://git.openstack.org/openstack/nova
+nova_git_repo: https://opendev.org/openstack/nova
 nova_git_install_branch: master
 
-nova_upper_constraints_url: "{{ requirements_git_url | default('https://git.openstack.org/cgit/openstack/requirements/plain/upper-constraints.txt?h=' ~ requirements_git_install_branch | default('master')) }}"
+nova_upper_constraints_url: "{{ requirements_git_url | default('https://releases.openstack.org/constraints/upper/' ~ requirements_git_install_branch | default('master')) }}"
 nova_git_constraints:
   - "git+{{ nova_git_repo }}@{{ nova_git_install_branch }}#egg=nova"
   - "--constraint {{ nova_upper_constraints_url }}"

releasenotes/source/conf.py

@@ -64,7 +64,7 @@ title = 'OpenStack-Ansible Release Notes: ' + role_name + 'role'
 
 # The link to the browsable source code (for the left hand menu)
 oslosphinx_cgit_link = (
-    'https://git.openstack.org/cgit/openstack/{}'.format(target_name)
+    'https://opendev.org/openstack/{}'.format(target_name)
 )
 
 # Release notes do not need a version number in the title, they

tox.ini

@@ -7,7 +7,7 @@ envlist = docs,linters,functional
 [testenv]
 usedevelop = True
 install_command =
-    pip install -c{env:UPPER_CONSTRAINTS_FILE:https://opendev.org/openstack/requirements/raw/branch/master/upper-constraints.txt} {opts} {packages}
+    pip install -c{env:UPPER_CONSTRAINTS_FILE:https://releases.openstack.org/constraints/upper/master} {opts} {packages}
 commands =
     /usr/bin/find . -type f -name "*.pyc" -delete
 passenv =