gha: add kubernetes tests workflow for ppc64le

This PR adds workflow for running kubernetes test suite on ppc64le.

It uses scripts to create and delete the cluster using kubeadm as none of the current cluster creation tools are supported on Power.

Fixes: #7950

Signed-off-by: Amulyam24 <amulmek1@in.ibm.com>

.github/workflows/ci.yaml

@@ -202,6 +202,17 @@ jobs:
       commit-hash: ${{ inputs.commit-hash }}
       pr-number: ${{ inputs.pr-number }}
       target-branch: ${{ inputs.target-branch }}
+      
+  run-k8s-tests-on-ppc64le:
+    needs: publish-kata-deploy-payload-ppc64le
+    uses: ./.github/workflows/run-k8s-tests-on-ppc64le.yaml
+    with:
+      registry: ghcr.io
+      repo: ${{ github.repository_owner }}/kata-deploy-ci
+      tag: ${{ inputs.tag }}-ppc64le
+      commit-hash: ${{ inputs.commit-hash }}
+      pr-number: ${{ inputs.pr-number }}
+      target-branch: ${{ inputs.target-branch }}
 
   run-metrics-tests:
     needs: build-kata-static-tarball-amd64

.github/workflows/run-k8s-tests-on-ppc64le.yaml

@@ -0,0 +1,81 @@
+name: CI | Run kubernetes tests on Power(ppc64le)
+on:
+  workflow_call:
+    inputs:
+      registry:
+        required: true
+        type: string
+      repo:
+        required: true
+        type: string
+      tag:
+        required: true
+        type: string
+      pr-number:
+        required: true
+        type: string
+      commit-hash:
+        required: false
+        type: string
+      target-branch:
+        required: false
+        type: string
+        default: ""
+
+jobs:
+  run-k8s-tests:
+    strategy:
+      fail-fast: false
+      matrix:
+        vmm:
+          - qemu
+        k8s:
+          - kubeadm
+    runs-on: ppc64le
+    env:
+      DOCKER_REGISTRY: ${{ inputs.registry }}
+      DOCKER_REPO: ${{ inputs.repo }}
+      DOCKER_TAG: ${{ inputs.tag }}
+      PR_NUMBER: ${{ inputs.pr-number }}
+      KATA_HYPERVISOR: ${{ matrix.vmm }}
+      KUBERNETES: ${{ matrix.k8s }}
+      USING_NFD: "false"
+      TARGET_ARCH: "ppc64le"
+    steps:
+      - name: Prepare the self-hosted runner
+        run: | 
+          bash ${HOME}/scripts/prepare_runner.sh
+          sudo rm -rf $GITHUB_WORKSPACE/*
+
+      - uses: actions/checkout@v4
+        with:
+          ref: ${{ inputs.commit-hash }}
+          fetch-depth: 0
+
+      - name: Rebase atop of the latest target branch
+        run: |
+          ./tests/git-helper.sh "rebase-atop-of-the-latest-target-branch"
+        env:
+          TARGET_BRANCH: ${{ inputs.target-branch }}
+
+      - name: Install golang
+        run: |
+          ./tests/install_go.sh -f -p
+          echo "/usr/local/go/bin" >> $GITHUB_PATH
+
+      - name: Prepare the runner for k8s cluster creation
+        run: bash ${HOME}/scripts/k8s_cluster_cleanup.sh
+
+      - name: Create k8s cluster using kubeadm
+        run: bash ${HOME}/scripts/k8s_cluster_create.sh
+
+      - name: Deploy Kata
+        timeout-minutes: 10
+        run: bash tests/integration/kubernetes/gha-run.sh deploy-kata-kubeadm
+
+      - name: Run tests
+        timeout-minutes: 30
+        run: bash tests/integration/kubernetes/gha-run.sh run-tests
+
+      - name: Delete cluster and post cleanup actions
+        run: bash ${HOME}/scripts/k8s_cluster_cleanup.sh

tests/integration/kubernetes/gha-run.sh

@@ -261,6 +261,7 @@ function main() {
 		get-cluster-credentials) get_cluster_credentials ;;
 		deploy-kata-aks) deploy_kata "aks" ;;
 		deploy-kata-kcli) deploy_kata "kcli" ;;
+		deploy-kata-kubeadm) deploy_kata "kubeadm" ;;
 		deploy-kata-sev) deploy_kata "sev" ;;
 		deploy-kata-snp) deploy_kata "snp" ;;
 		deploy-kata-tdx) deploy_kata "tdx" ;;