Remove ubuntu guest image from tobiko

With recent changes in tobiko 0.8.4, the tobiko pods will download an
already customized image instead of using official ubuntu images that
were customized during tobiko execution.

Depends-On: openstack-k8s-operators/ci-framework#2619

Author: eduolivares

container-images/tcib/base/tobiko/tobiko.yaml

@@ -15,10 +15,6 @@ tcib_actions:
     | tar -zxvf - -C /usr/local/bin/
 - run: 'git clone https://opendev.org/x/tobiko /usr/local/src/tobiko'
 - run: 'pip install -e /usr/local/src/tobiko -c /usr/local/src/tobiko/upper-constraints.txt -r /usr/local/src/tobiko/extra-requirements.txt'
-- run: >-
-    curl
-    https://cloud-images.ubuntu.com/minimal/releases/jammy/release/ubuntu-22.04-minimal-cloudimg-amd64.img
-    -o /usr/local/share/ubuntu-minimal
 - run: python3 -m pip install --upgrade pip
 - run: python3 -m pip install 'tox==4.13'
 - run: cp /usr/share/tcib/container-images/tcib/base/tobiko/run_tobiko.sh /usr/local/bin/run_tobiko.sh

zuul.d/job.yaml

@@ -20,17 +20,41 @@
       - OWNERS*
     vars: &edpm_vars
       cifmw_run_test_role: test_operator
-      cifmw_run_tempest: true
+      cifmw_test_operator_stages:
+        - name: tempest
+          type: tempest
+        - name: tobiko
+          type: tobiko
       cifmw_test_operator_tempest_registry: "{{ content_provider_os_registry_url | split('/') | first }}"
       cifmw_test_operator_tempest_namespace: "{{ content_provider_os_registry_url | split('/') | last }}"
       cifmw_test_operator_tempest_image_tag: "{{ content_provider_dlrn_md5_hash }}"
       cifmw_test_operator_tempest_include_list: |
         tempest.scenario.test_network_basic_ops.TestNetworkBasicOps
-      cifmw_run_tobiko: true
       cifmw_test_operator_tobiko_registry: "{{ cifmw_test_operator_tempest_registry }}"
       cifmw_test_operator_tobiko_namespace: "{{ cifmw_test_operator_tempest_namespace }}"
       cifmw_test_operator_tobiko_image_tag: "{{ content_provider_dlrn_md5_hash }}"
-      cifmw_test_operator_tobiko_testenv: "sanity"
+      cifmw_test_operator_tobiko_workflow:
+        - stepName: sanity
+          testenv: sanity
+        - stepName: scenario-nova
+          testenv: nova
+      # enabling heat is needed for some tobiko tests
+      cifmw_edpm_prepare_kustomizations:
+        - apiVersion: kustomize.config.k8s.io/v1beta1
+          kind: Kustomization
+          namespace: openstack
+          patches:
+          - patch: |-
+              apiVersion: core.openstack.org/v1beta1
+              kind: OpenStackControlPlane
+              metadata:
+                name: unused
+              spec:
+                heat:
+                  enabled: true
+            target:
+              kind: OpenStackControlPlane
+
 
 - job:
     name: tcib-crc-podified-edpm-baremetal