feat: add serial lanes for arbiter lane

Signed-off-by: ehila <[email protected]>

Author: eggfoobar

ci-operator/config/openshift/release/openshift-release-master__nightly-4.20.yaml

@@ -428,6 +428,24 @@ tests:
   steps:
     cluster_profile: equinix-edge-enablement
     workflow: baremetalds-two-node-arbiter
+- as: e2e-metal-ovn-two-node-arbiter-serial
+  cluster: build05
+  cron: '@daily'
+  steps:
+    cluster_profile: equinix-edge-enablement
+    env:
+      DEVSCRIPTS_CONFIG: |
+        IP_STACK=v4
+        NUM_MASTERS=2
+        MASTER_MEMORY=16384
+        ARBITER_MEMORY=8192
+        ARBITER_VCPU=2
+        NUM_WORKERS=0
+        ENABLE_ARBITER=true
+        FEATURE_SET="TechPreviewNoUpgrade"
+      PACKET_OS: rocky_9
+      TEST_SUITE: openshift/conformance/serial
+    workflow: baremetalds-two-node-arbiter
 - as: e2e-metal-ovn-two-node-arbiter-upgrade
   cluster: build05
   cron: '@daily'

ci-operator/jobs/openshift/release/openshift-release-master-periodics.yaml

@@ -153826,6 +153826,83 @@ periodics:
     - name: result-aggregator
       secret:
         secretName: result-aggregator
+- agent: kubernetes
+  cluster: build05
+  cron: 44 0 * * *
+  decorate: true
+  decoration_config:
+    skip_cloning: true
+  extra_refs:
+  - base_ref: master
+    org: openshift
+    repo: release
+  labels:
+    ci-operator.openshift.io/cloud: equinix-edge-enablement
+    ci-operator.openshift.io/cloud-cluster-profile: equinix-edge-enablement
+    ci-operator.openshift.io/cluster: build05
+    ci-operator.openshift.io/variant: nightly-4.20
+    ci.openshift.io/generator: prowgen
+    ci.openshift.io/no-builds: "true"
+    job-release: "4.20"
+    pj-rehearse.openshift.io/can-be-rehearsed: "true"
+  name: periodic-ci-openshift-release-master-nightly-4.20-e2e-metal-ovn-two-node-arbiter-serial
+  spec:
+    containers:
+    - args:
+      - --gcs-upload-secret=/secrets/gcs/service-account.json
+      - --image-import-pull-secret=/etc/pull-secret/.dockerconfigjson
+      - --lease-server-credentials-file=/etc/boskos/credentials
+      - --report-credentials-file=/etc/report/credentials
+      - --secret-dir=/secrets/ci-pull-credentials
+      - --target=e2e-metal-ovn-two-node-arbiter-serial
+      - --variant=nightly-4.20
+      command:
+      - ci-operator
+      image: ci-operator:latest
+      imagePullPolicy: Always
+      name: ""
+      resources:
+        requests:
+          cpu: 10m
+      volumeMounts:
+      - mountPath: /etc/boskos
+        name: boskos
+        readOnly: true
+      - mountPath: /secrets/ci-pull-credentials
+        name: ci-pull-credentials
+        readOnly: true
+      - mountPath: /secrets/gcs
+        name: gcs-credentials
+        readOnly: true
+      - mountPath: /secrets/manifest-tool
+        name: manifest-tool-local-pusher
+        readOnly: true
+      - mountPath: /etc/pull-secret
+        name: pull-secret
+        readOnly: true
+      - mountPath: /etc/report
+        name: result-aggregator
+        readOnly: true
+    serviceAccountName: ci-operator
+    volumes:
+    - name: boskos
+      secret:
+        items:
+        - key: credentials
+          path: credentials
+        secretName: boskos-credentials
+    - name: ci-pull-credentials
+      secret:
+        secretName: ci-pull-credentials
+    - name: manifest-tool-local-pusher
+      secret:
+        secretName: manifest-tool-local-pusher
+    - name: pull-secret
+      secret:
+        secretName: registry-pull-credentials
+    - name: result-aggregator
+      secret:
+        secretName: result-aggregator
 - agent: kubernetes
   cluster: build05
   cron: 32 0 * * *