Use 'pip_upper_constraints_file' for openstacksdk installation

Use 'pip_upper_constraints_file' for 'openstacksdk' installation
instead of the hard-coded value in the inventory.

Change-Id: I8ea60974e2ace6876514271be4156e6c889d8776
Signed-off-by: Maksim Malchuk <[email protected]>

Author: mmalchuk

ansible/inventory/group_vars/all/pip

@@ -3,4 +3,4 @@
 pip_upper_constraints_file: "https://releases.openstack.org/constraints/upper/{{ openstack_release }}"
 
 # Upper constraints file for installation of openstacksdk.
-openstacksdk_upper_constraints_file: "https://releases.openstack.org/constraints/upper/{{ openstack_release }}"
+openstacksdk_upper_constraints_file: "{{ pip_upper_constraints_file }}"

releasenotes/notes/fix-openstacksdk-u-c-default-ed0b85cdb9fd6042.yaml

@@ -0,0 +1,8 @@
+---
+upgrade:
+  - |
+    The ``openstacksdk_upper_constraints_file`` variable now defaults to the
+    value of ``pip_upper_constraints_file``. Set
+    ``openstacksdk_upper_constraints_file`` to
+    ``"https://releases.openstack.org/constraints/upper/{{ openstack_release
+    }}"`` if you want to retain existing behaviour.