CI: Ensure nova is available when running tox jobs

Change-Id: I2f751c994cb6b162611b38b582f459e4ab849d39

.zuul.yaml

@@ -1,5 +1,35 @@
+- project-template:
+    name: openstack-python3-jobs-blazar-nova
+    description: |
+      The standard :zuul:project_template:`openstack-python-jobs` but with nova
+      added as a required-projects. This checks out the project code and allows
+      tox_install.sh to use nova when building the venv.
+    check:
+      jobs:
+        - openstack-tox-pep8:
+            required-projects:
+              - openstack/nova
+        - openstack-tox-py39:
+            required-projects:
+              - openstack/nova
+        - openstack-tox-py312:
+            required-projects:
+              - openstack/nova
+    gate:
+      jobs:
+        - openstack-tox-pep8:
+            required-projects:
+              - openstack/nova
+        - openstack-tox-py39:
+            required-projects:
+              - openstack/nova
+        - openstack-tox-py312:
+            required-projects:
+              - openstack/nova
+
 - project:
     templates:
       - check-requirements
       - openstack-python3-jobs
+      - openstack-python3-jobs-blazar-nova
       - release-notes-jobs-python3

tools/tox_install.sh

@@ -52,7 +52,7 @@ elif [ $nova_installed -eq 0 ]; then
 elif [ -d "/opt/git/opendev.org/openstack/nova" ]; then
     echo "PIP LOCAL" > /tmp/tox_install.txt
     if [ -z "$NOVA_PIP_LOCATION" ]; then
-        NOVA_PIP_LOCATION="git+file:///opt/git/opendev.org/openstack/nova@$BRANCH_NAME#egg=nova"
+        NOVA_PIP_LOCATION="git+file:///home/zuul/src/opendev.org/openstack/nova@$BRANCH_NAME#egg=nova"
     fi
     $install_cmd -U -e ${NOVA_PIP_LOCATION}
 else