Switch centos-8 jobs to centos-8-stream

Depends-On: https://review.opendev.org/797069

Change-Id: Ic80b256f771a7e61d2714644852cffb5271b1612

zuul.d/jobs.yaml

@@ -38,6 +38,16 @@
         nodes:
           - controller
 
+- nodeset:
+    name: octavia-single-node-centos-8-stream
+    nodes:
+      - name: controller
+        label: nested-virt-centos-8-stream
+    groups:
+      - name: tempest
+        nodes:
+          - controller
+
 - nodeset:
     name: octavia-two-node
     nodes:
@@ -648,6 +658,16 @@
         OCTAVIA_AMP_DISTRIBUTION_RELEASE_ID: 8
         OCTAVIA_AMP_IMAGE_SIZE: 3
 
+- job:
+    name: octavia-v2-dsvm-scenario-centos-8-stream
+    parent: octavia-v2-dsvm-scenario
+    nodeset: octavia-single-node-centos-8-stream
+    vars:
+      devstack_localrc:
+        OCTAVIA_AMP_BASE_OS: centos
+        OCTAVIA_AMP_DISTRIBUTION_RELEASE_ID: 8-stream
+        OCTAVIA_AMP_IMAGE_SIZE: 3
+
 - job:
     name: octavia-v2-dsvm-scenario-ubuntu-focal
     parent: octavia-v2-dsvm-scenario

zuul.d/projects.yaml

@@ -23,7 +23,7 @@
         - octavia-v2-dsvm-tls-barbican-stable-train
         - octavia-v2-dsvm-scenario-ipv6-only:
             voting: false
-        - octavia-v2-dsvm-scenario-centos-8:
+        - octavia-v2-dsvm-scenario-centos-8-stream:
             voting: false
         - octavia-v2-act-stdby-dsvm-scenario-two-node:
             voting: false