Fix focal amphora image build

Purge packages based on the ditro name and release
Add a testing job for building a jammy amphora image

Change-Id: Ic1ec002062f91b7d3a43669e86380a2ffbdd7b18

elements/amphora-agent/package-installs.yaml

@@ -7,10 +7,21 @@ build-essential:
   build-only: True
 gcc:
   uninstall: True
+gcc-10:
+  uninstall: True
+  when:
+    - DISTRO_NAME = ubuntu
+    - DIB_RELEASE = focal
 gcc-11:
   uninstall: True
+  when:
+    - DISTRO_NAME = ubuntu
+    - DIB_RELEASE != focal
 gcc-12:
   uninstall: True
+  when:
+    - DISTRO_NAME = ubuntu
+    - DIB_RELEASE != focal
 git-man:
   uninstall: True
 perl:

zuul.d/jobs.yaml

@@ -161,9 +161,6 @@
     required-projects:
         - openstack/octavia
         - openstack/octavia-lib
-    vars:
-        amphora_os: ubuntu
-        amphora_os_release: focal
 
 - job:
     name: octavia-amphora-image-build-live-focal
@@ -173,6 +170,21 @@
       master. This job does not publish the image.
     required-projects:
         - openstack/diskimage-builder
+    vars:
+        amphora_os: ubuntu
+        amphora_os_release: focal
+
+- job:
+    name: octavia-amphora-image-build-live-jammy
+    parent: octavia-amphora-image-build
+    description: |
+      Builds an Ubuntu Jammy amphora image using diskimage-builder from Git
+      master. This job does not publish the image.
+    required-projects:
+        - openstack/diskimage-builder
+    vars:
+        amphora_os: ubuntu
+        amphora_os_release: jammy
 
 - job:
     name: octavia-amphora-image-build-live-centos-9-stream