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:

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

@@ -24664,6 +24664,87 @@ periodics:
     - name: result-aggregator
       secret:
         secretName: result-aggregator
+- agent: kubernetes
+  cluster: build02
+  cron: 0 11 * * 0
+  decorate: true
+  decoration_config:
+    skip_cloning: true
+  extra_refs:
+  - base_ref: master
+    org: openshift
+    repo: multiarch
+  labels:
+    ci-operator.openshift.io/cloud: gcp
+    ci-operator.openshift.io/cloud-cluster-profile: gcp-arm64
+    ci-operator.openshift.io/variant: nightly-4.17
+    ci.openshift.io/generator: prowgen
+    job-release: "4.17"
+    pj-rehearse.openshift.io/can-be-rehearsed: "true"
+  name: periodic-ci-openshift-multiarch-master-nightly-4.17-ocp-e2e-gcp-ovn-heterogeneous-day-0
+  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/ocp-e2e-gcp-ovn-heterogeneous-day-0-cluster-profile
+      - --target=ocp-e2e-gcp-ovn-heterogeneous-day-0
+      - --variant=nightly-4.17
+      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/ocp-e2e-gcp-ovn-heterogeneous-day-0-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
 - agent: kubernetes
   cluster: build02
   cron: 20 13 * * *

ci-operator/step-registry/ipi/conf/gcp/ipi-conf-gcp-commands.sh

@@ -20,24 +20,41 @@ fi
 # Do not change the default family type without consulting with cloud financial operations as their may
 # be active savings plans targeting this machine class.
 master_type=""
-# Temporary test to see if this helps the consistent high CPU alerts and random test failures
-master_type_suffix="-custom-6-16384"
-# TODO: remove if block and revert master_type_suffix back to standard if/when we switch back to standard
-# custom sizes are not supported by arm64 VMs
-if [ "${OCP_ARCH}" = "arm64" ]; then
-  master_type_suffix="-standard-4"
-fi
-if [[ "${SIZE_VARIANT}" == "xlarge" ]]; then
-  master_type_suffix="-standard-32"
-elif [[ "${SIZE_VARIANT}" == "large" ]]; then
-  master_type_suffix="-standard-16"
-elif [[ "${SIZE_VARIANT}" == "compact" ]]; then
-  master_type_suffix="-standard-8"
+
+case "${SIZE_VARIANT}" in
+  "xlarge")
+    master_type_suffix="standard-32"
+  ;;
+  "large")
+    master_type_suffix="standard-16"
+  ;;
+  "compact")
+    master_type_suffix="standard-8"
+  ;;
+  *)
+    if [[ "${CONTROL_ARCH}" == "arm64" ]]; then
+      master_type_suffix="standard-4"
+    else
+      # Temporary test to see if this helps the consistent high CPU alerts and random test failures
+      master_type_suffix="custom-6-16384"
+      # TODO: remove if block and revert master_type_suffix back to standard if/when we switch back to standard
+      # custom sizes are not supported by arm64 VMs
+    fi
+  ;;
+esac
+
+if [[ "${CONTROL_ARCH}" == "amd64" ]]; then
+  master_type="e2-${master_type_suffix}"
+elif [[ "${CONTROL_ARCH}" == "arm64" ]]; then
+  master_type="t2a-${master_type_suffix}"
 fi
-if [ "${OCP_ARCH}" = "amd64" ]; then
-  master_type="e2${master_type_suffix}"
-elif [ "${OCP_ARCH}" = "arm64" ]; then
-  master_type="t2a${master_type_suffix}"
+
+if [[ -z "${COMPUTE_NODE_TYPE}" ]]; then
+  if [[ "${COMPUTE_ARCH}" == "arm64" ]]; then
+    COMPUTE_NODE_TYPE="t2a-standard-4"
+  else
+    COMPUTE_NODE_TYPE="e2-standard-4"
+  fi
 fi
 
 cat >> "${CONFIG}" << EOF
@@ -47,7 +64,7 @@ platform:
     projectID: ${GCP_PROJECT}
     region: ${GCP_REGION}
 controlPlane:
-  architecture: ${OCP_ARCH}
+  architecture: ${CONTROL_ARCH:-${OCP_ARCH}}
   name: master
   platform:
     gcp:
@@ -57,7 +74,7 @@ controlPlane:
         diskSizeGB: 200
   replicas: ${masters}
 compute:
-- architecture: ${OCP_ARCH}
+- architecture: ${COMPUTE_ARCH:-${OCP_ARCH}}
   name: worker
   replicas: ${workers}
   platform:

ci-operator/step-registry/ipi/conf/gcp/ipi-conf-gcp-ref.yaml

@@ -47,11 +47,19 @@ ref:
       If SIZE_VARIANT is set to "compact", this is ignored and no workers are created.
       (default: 3)
   - name: COMPUTE_NODE_TYPE
-    default: "e2-standard-4"
+    default: ""
     documentation: |-
       The instance type to use for compute nodes (e.g. GCP https://cloud.google.com/compute/docs/machine-types). We use a 4 core worker to match the median configuration of the fleet.
       Do not change the default family type without consulting with cloud financial operations as their may
       be active savings plans targeting this machine class.
+  - name: COMPUTE_ARCH
+    default: ""
+    documentation: |-
+      Compute node architecture specification.  Used for multiarch compute clusters.
+  - name: CONTROL_ARCH
+    default: ""
+    documentation: |-
+      Control plane node architecture specification.  Used for multiarch compute clusters.
   - name: OCP_ARCH
     default: "amd64"
     documentation: |-