gha: use runner hooks instead of pre/post scripts for ppc64le runners

This PR makes changes to remove steps to run scripts for
preparing and cleaning the runner and instead use runner
hooks env variables to manage them.

Fixes: #9934
Signed-off-by: Amulyam24 <amulmek1@in.ibm.com>

.github/workflows/build-kata-static-tarball-ppc64le.yaml

@@ -34,12 +34,6 @@ jobs:
         stage:
           - ${{ inputs.stage }}
     steps:
-      - name: Prepare the self-hosted runner
-        timeout-minutes: 15
-        run: |
-            "${HOME}/scripts/prepare_runner.sh"
-            sudo rm -rf "$GITHUB_WORKSPACE"/*
-
       - name: Login to Kata Containers quay.io
         if: ${{ inputs.push-to-registry == 'yes' }}
         uses: docker/login-action@v3
@@ -93,12 +87,6 @@ jobs:
         stage:
           - ${{ inputs.stage }}
     steps:
-      - name: Prepare the self-hosted runner
-        timeout-minutes: 15
-        run: |
-            "${HOME}/scripts/prepare_runner.sh"
-            sudo rm -rf "$GITHUB_WORKSPACE"/*
-
       - name: Login to Kata Containers quay.io
         if: ${{ inputs.push-to-registry == 'yes' }}
         uses: docker/login-action@v3
@@ -168,12 +156,6 @@ jobs:
     runs-on: ppc64le
     needs: [build-asset, build-asset-rootfs, remove-rootfs-binary-artifacts]
     steps:
-      - name: Prepare the self-hosted runner
-        timeout-minutes: 15
-        run: |
-            "${HOME}/scripts/prepare_runner.sh"
-            sudo rm -rf "$GITHUB_WORKSPACE"/*
-
       - name: Login to Kata Containers quay.io
         if: ${{ inputs.push-to-registry == 'yes' }}
         uses: docker/login-action@v3

.github/workflows/publish-kata-deploy-payload.yaml

@@ -35,19 +35,6 @@ jobs:
   kata-payload:
     runs-on: ${{ inputs.runner }}
     steps:
-      # TODO - switch ppc64le runner to use `ACTIONS_RUNNER_HOOK_JOB_STARTED`
-      - name: Prepare the self-hosted runner
-        if: ${{ inputs.runner == 'ppc64le' }}
-        timeout-minutes: 15
-        run: |
-          "${HOME}/scripts/prepare_runner.sh"
-          sudo rm -rf "$GITHUB_WORKSPACE"/*
-
-      - name: Adjust a permission for repo
-        if: ${{ inputs.runner == 'ppc64le' }}
-        run: |
-          sudo chown -R "$USER":"$USER" "$GITHUB_WORKSPACE"
-
       - uses: actions/checkout@v4
         with:
           ref: ${{ inputs.commit-hash }}

.github/workflows/release-ppc64le.yaml

@@ -18,12 +18,6 @@ jobs:
     needs: build-kata-static-tarball-ppc64le
     runs-on: ppc64le
     steps:
-      - name: Prepare the self-hosted runner
-        timeout-minutes: 15
-        run: |
-          bash "${HOME}/scripts/prepare_runner.sh"
-          sudo rm -rf "$GITHUB_WORKSPACE"/*
-
       - name: Login to Kata Containers docker.io
         uses: docker/login-action@v3
         with:

.github/workflows/run-cri-containerd-tests-ppc64le.yaml

@@ -29,15 +29,6 @@ jobs:
       GOPATH: ${{ github.workspace }}
       KATA_HYPERVISOR: ${{ matrix.vmm }}
     steps:
-      - name: Adjust a permission for repo
-        run: sudo chown -R "$USER":"$USER" "$GITHUB_WORKSPACE"
-
-      - name: Prepare the self-hosted runner
-        timeout-minutes: 15
-        run: |
-          bash "${HOME}/scripts/prepare_runner.sh" cri-containerd
-          sudo rm -rf "$GITHUB_WORKSPACE"/*
-
       - uses: actions/checkout@v4
         with:
           ref: ${{ inputs.commit-hash }}
@@ -64,6 +55,3 @@ jobs:
 
       - name: Run cri-containerd tests
         run: bash tests/integration/cri-containerd/gha-run.sh run
-
-      - name: Cleanup actions for the self hosted runner
-        run: bash "${HOME}/scripts/cleanup_runner.sh"

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

@@ -43,12 +43,6 @@ jobs:
       USING_NFD: "false"
       TARGET_ARCH: "ppc64le"
     steps:
-      - name: Prepare the self-hosted runner
-        timeout-minutes: 15
-        run: |
-          bash "${HOME}/scripts/prepare_runner.sh" kubernetes
-          sudo rm -rf "$GITHUB_WORKSPACE"/*
-
       - uses: actions/checkout@v4
         with:
           ref: ${{ inputs.commit-hash }}