MULTIARCH-4785 Multiarch Compute Day 0 arm x86 GCP

The multiarch team is working on an installer PR to enable day-0 multiarch compute deployments.
This PR enables this on GCP.

ci-operator/config/openshift/installer/openshift-installer-master.yaml

@@ -887,8 +887,24 @@ tests:
       CONTROL_ARCH: arm64
       FEATURE_GATES: '["MultiArchInstallAWS=true"]'
       FEATURE_SET: CustomNoUpgrade
+      TEST_SKIPS: oc new-app should succeed\| build can reference a cluster service
     workflow: openshift-e2e-aws-heterogeneous-day-0
   timeout: 6h0m0s
+- always_run: false
+  as: e2e-gcp-ovn-heterogeneous
+  optional: true
+  steps:
+    cluster_profile: gcp-arm64
+    dependencies:
+      OPENSHIFT_INSTALL_RELEASE_IMAGE_OVERRIDE: release:multi-latest
+    env:
+      COMPUTE_ARCH: amd64
+      CONTROL_ARCH: arm64
+      FEATURE_GATES: '["MultiArchInstallGCP=true"]'
+      FEATURE_SET: CustomNoUpgrade
+      TEST_SKIPS: oc new-app should succeed\| build can reference a cluster service
+    workflow: openshift-e2e-gcp-ovn
+  timeout: 6h0m0s
 zz_generated_metadata:
   branch: master
   org: openshift

ci-operator/config/openshift/multiarch/openshift-multiarch-master__nightly-4.17.yaml

@@ -718,6 +718,28 @@ tests:
     - ref: ipi-install-heterogeneous
     - ref: openshift-e2e-test
     workflow: openshift-e2e-gcp-ovn
+- as: ocp-e2e-gcp-ovn-heterogeneous-day-0
+  cron: 0 11 * * 0
+  steps:
+    cluster_profile: gcp-arm64
+    dependencies:
+      OPENSHIFT_INSTALL_RELEASE_IMAGE_OVERRIDE: release:multi-latest
+    env:
+      COMPUTE_ARCH: amd64
+      CONTROL_ARCH: arm64
+      OCP_ARCH: multi
+      TEST_SKIPS: deploymentconfigs\| should expose cluster services outside the cluster\|
+        FIPS TestFIPS\| Multi-stage image builds should succeed\| Optimized image
+        builds should succeed\| build can reference a cluster service\| custom build
+        with buildah\| oc new-app should succeed\| prune builds based on settings\|
+        s2i build with a root\| verify /run filesystem contents\| oc can run\| oc
+        debug\| oc idle\| Pods cannot access\| Image append should create\| Image
+        extract should extract\| Image info should display\| Image layer subresource\|
+        oc tag should change image\| when installed on the cluster should\| OpenShift
+        alerting rules\| The HAProxy router should\| egressrouter cni resources\|
+        pod should start\| pod sysctls\| build volumes should mount given secrets
+        and configmaps into the build pod
+    workflow: openshift-e2e-gcp-ovn
 - as: ocp-e2e-upgrade-gcp-ovn-heterogeneous
   interval: 72h
   steps:

ci-operator/jobs/openshift/installer/openshift-installer-master-presubmits.yaml

@@ -5797,6 +5797,87 @@ presubmits:
         secret:
           secretName: result-aggregator
     trigger: (?m)^/test( | .* )e2e-gcp-ovn-byo-vpc,?($|\s.*)
+  - agent: kubernetes
+    always_run: false
+    branches:
+    - ^master$
+    - ^master-
+    cluster: build02
+    context: ci/prow/e2e-gcp-ovn-heterogeneous
+    decorate: true
+    decoration_config:
+      timeout: 6h0m0s
+    labels:
+      ci-operator.openshift.io/cloud: gcp
+      ci-operator.openshift.io/cloud-cluster-profile: gcp-arm64
+      ci.openshift.io/generator: prowgen
+      pj-rehearse.openshift.io/can-be-rehearsed: "true"
+    name: pull-ci-openshift-installer-master-e2e-gcp-ovn-heterogeneous
+    optional: true
+    rerun_command: /test e2e-gcp-ovn-heterogeneous
+    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
+        - --secret-dir=/usr/local/e2e-gcp-ovn-heterogeneous-cluster-profile
+        - --target=e2e-gcp-ovn-heterogeneous
+        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: /usr/local/e2e-gcp-ovn-heterogeneous-cluster-profile
+          name: cluster-profile
+        - 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: cluster-profile
+        secret:
+          secretName: cluster-secrets-gcp-arm64
+      - 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
+    trigger: (?m)^/test( | .* )e2e-gcp-ovn-heterogeneous,?($|\s.*)
   - agent: kubernetes
     always_run: false
     branches: