Completely migrate integration jobs to CentOS 9 Stream

RDO Zed will support only CentOS 9 Stream. This change is the first
step of complete migration to CentOS 9 Stream and update integration
jobs to use CentOS 9 Stream Only.

Change-Id: Ic5005fbfec16f1b66173a590304d5093c0b9a6c6

zuul.d/integration.yaml

@@ -27,12 +27,6 @@
     vars:
       scenario: scenario000
 
-- job:
-    name: puppet-openstack-integration-7-scenario000-tempest-centos-8-stream
-    parent: puppet-openstack-integration-7-scenario000
-    voting: false
-    nodeset: centos-8-stream
-
 - job:
     name: puppet-openstack-integration-7-scenario000-tempest-centos-9-stream
     parent: puppet-openstack-integration-7-scenario000
@@ -63,11 +57,6 @@
     nodeset: ubuntu-focal
     voting: false
 
-- job:
-    name: puppet-openstack-integration-7-scenario001-tempest-centos-8-stream
-    parent: puppet-openstack-integration-7-scenario001
-    nodeset: centos-8-stream
-
 - job:
     name: puppet-openstack-integration-7-scenario001-tempest-centos-9-stream
     parent: puppet-openstack-integration-7-scenario001
@@ -96,11 +85,6 @@
     nodeset: ubuntu-focal
     voting: false
 
-- job:
-    name: puppet-openstack-integration-7-scenario002-tempest-centos-8-stream
-    parent: puppet-openstack-integration-7-scenario002
-    nodeset: centos-8-stream
-
 - job:
     name: puppet-openstack-integration-7-scenario002-tempest-centos-9-stream
     parent: puppet-openstack-integration-7-scenario002
@@ -129,11 +113,6 @@
     nodeset: ubuntu-focal
     voting: false
 
-- job:
-    name: puppet-openstack-integration-7-scenario003-tempest-centos-8-stream
-    parent: puppet-openstack-integration-7-scenario003
-    nodeset: centos-8-stream
-
 - job:
     name: puppet-openstack-integration-7-scenario003-tempest-centos-9-stream
     parent: puppet-openstack-integration-7-scenario003
@@ -164,11 +143,6 @@
     nodeset: ubuntu-focal
     voting: false
 
-- job:
-    name: puppet-openstack-integration-7-scenario004-tempest-centos-8-stream
-    parent: puppet-openstack-integration-7-scenario004
-    nodeset: centos-8-stream
-
 - job:
     name: puppet-openstack-integration-7-scenario004-tempest-centos-9-stream
     parent: puppet-openstack-integration-7-scenario004

zuul.d/layout.yaml

@@ -55,11 +55,6 @@
         - puppet-openstack-integration-6-scenario002-tempest-ubuntu-focal
         - puppet-openstack-integration-6-scenario003-tempest-ubuntu-focal
         - puppet-openstack-integration-6-scenario004-tempest-ubuntu-focal
-        - puppet-openstack-integration-7-scenario000-tempest-centos-8-stream
-        - puppet-openstack-integration-7-scenario001-tempest-centos-8-stream
-        - puppet-openstack-integration-7-scenario002-tempest-centos-8-stream
-        - puppet-openstack-integration-7-scenario003-tempest-centos-8-stream
-        - puppet-openstack-integration-7-scenario004-tempest-centos-8-stream
         - puppet-openstack-integration-7-scenario000-tempest-centos-9-stream
         - puppet-openstack-integration-7-scenario001-tempest-centos-9-stream
         - puppet-openstack-integration-7-scenario002-tempest-centos-9-stream
@@ -67,51 +62,47 @@
         - puppet-openstack-integration-7-scenario004-tempest-centos-9-stream
     gate:
       jobs:
-        - puppet-openstack-integration-7-scenario001-tempest-centos-8-stream
-        - puppet-openstack-integration-7-scenario002-tempest-centos-8-stream
-        - puppet-openstack-integration-7-scenario003-tempest-centos-8-stream
-        - puppet-openstack-integration-7-scenario004-tempest-centos-8-stream
+        - puppet-openstack-integration-7-scenario001-tempest-centos-9-stream
+        - puppet-openstack-integration-7-scenario002-tempest-centos-9-stream
+        - puppet-openstack-integration-7-scenario003-tempest-centos-9-stream
+        - puppet-openstack-integration-7-scenario004-tempest-centos-9-stream
 
 - project-template:
     name: puppet-openstack-integration-jobs-scenario001
     check:
       jobs:
         - puppet-openstack-integration-6-scenario001-tempest-ubuntu-focal
-        - puppet-openstack-integration-7-scenario001-tempest-centos-8-stream
         - puppet-openstack-integration-7-scenario001-tempest-centos-9-stream
     gate:
       jobs:
-        - puppet-openstack-integration-7-scenario001-tempest-centos-8-stream
+        - puppet-openstack-integration-7-scenario001-tempest-centos-9-stream
 
 - project-template:
     name: puppet-openstack-integration-jobs-scenario002
     check:
       jobs:
         - puppet-openstack-integration-6-scenario002-tempest-ubuntu-focal
-        - puppet-openstack-integration-7-scenario002-tempest-centos-8-stream
         - puppet-openstack-integration-7-scenario002-tempest-centos-9-stream
     gate:
       jobs:
-        - puppet-openstack-integration-7-scenario002-tempest-centos-8-stream
+        - puppet-openstack-integration-7-scenario002-tempest-centos-9-stream
 
 - project-template:
     name: puppet-openstack-integration-jobs-scenario003
     check:
       jobs:
         - puppet-openstack-integration-6-scenario003-tempest-ubuntu-focal
-        - puppet-openstack-integration-7-scenario003-tempest-centos-8-stream
         - puppet-openstack-integration-7-scenario003-tempest-centos-9-stream
     gate:
       jobs:
-        - puppet-openstack-integration-7-scenario003-tempest-centos-8-stream
+        - puppet-openstack-integration-7-scenario003-tempest-centos-9-stream
 
 - project-template:
     name: puppet-openstack-integration-jobs-scenario004
     check:
       jobs:
         - puppet-openstack-integration-6-scenario004-tempest-ubuntu-focal
-        - puppet-openstack-integration-7-scenario004-tempest-centos-8-stream
         - puppet-openstack-integration-7-scenario004-tempest-centos-9-stream
     gate:
       jobs:
-        - puppet-openstack-integration-7-scenario004-tempest-centos-8-stream
+        - puppet-openstack-integration-7-scenario004-tempest-centos-9-stream