Add experimental jobs for openSUSE 42.3 testing (bindep, devstack, dib)

In order to transition away from openSUSE 42.2 we'd like to have
experimental jobs to work / test against and fix the remaining
portability issues, if any.

Change-Id: If0500212618b4fa8fd8132261f82cedee74a6b30

jenkins/jobs/infra.yaml

@@ -120,6 +120,7 @@
       - fedora-25
       - debian-jessie
       - opensuse-422
+      - opensuse-423
       - ubuntu-trusty
       - ubuntu-xenial
 

jenkins/jobs/projects.yaml

@@ -3783,6 +3783,11 @@
           suffix: '-nv'
           node: opensuse-422
           branch-override: default
+      - '{pipeline}-tempest-dsvm-neutron-full-{node}{suffix}':
+          pipeline: gate
+          suffix: '-nv'
+          node: opensuse-423
+          branch-override: default
       - '{pipeline}-tempest-dsvm-py35-{node}{suffix}':
           pipeline: gate
           node: ubuntu-xenial
@@ -4062,6 +4067,16 @@
           python: python2
           suffix: '-nv'
           tests: ''
+      - gate-dib-dsvm-functests-{python}-{node}{suffix}:
+          node: opensuse-423
+          python: python3
+          suffix: '-nv'
+          tests: ''
+      - gate-dib-dsvm-functests-{python}-{node}{suffix}:
+          node: opensuse-423
+          python: python2
+          suffix: '-nv'
+          tests: ''
       - '{pipeline}-dsvm-nodepool{python}{images}-src{suffix}':
           pipeline: gate
           python: ''

zuul/layout.yaml

@@ -345,6 +345,8 @@ project-templates:
       - gate-{name}-bindep-fallback-opensuse-422
       - gate-{name}-bindep-fallback-ubuntu-trusty
       - gate-{name}-bindep-fallback-ubuntu-xenial
+    experimental:
+      - gate-{name}-bindep-fallback-opensuse-423
 
   - name: build-deb-package
     check:
@@ -3514,6 +3516,7 @@ projects:
       - gate-tempest-dsvm-cells-ubuntu-xenial
       - gate-tempest-dsvm-lvm-multibackend-ubuntu-xenial-nv
       - gate-tempest-dsvm-neutron-full-fedora-25-nv
+      - gate-tempest-dsvm-neutron-full-opensuse-423-nv
     periodic:
       - propose-devstack-plugins-list
       - periodic-tempest-dsvm-oslo-latest-full-master
@@ -8720,6 +8723,8 @@ projects:
       - gate-dsvm-nodepool-debian-src-nv
       - gate-dib-dsvm-functests-python2-opensuse-422-nv
       - gate-dib-dsvm-functests-python3-opensuse-422-nv
+      - gate-dib-dsvm-functests-python2-opensuse-423-nv
+      - gate-dib-dsvm-functests-python3-opensuse-423-nv
       # octavia cross project gate
       - gate-octavia-v1-dsvm-scenario-ubuntu-xenial-nv
       - gate-octavia-v1-dsvm-py3x-scenario-ubuntu-xenial-nv