Add workflows to test kube-burner on ppc64le (kube-burner#697)

## Type of change

- [ ] Refactor
- [ ] New feature
- [ ] Bug fix
- [ ] Optimization
- [ ] Documentation Update

## Description

<!--- Describe your changes in detail -->
This PR adds workflow to test the kube-burner binary on the ppc64le
architecture, as a part of CI/release testing.
A dedicated VM for the project is available, I can work with @krishvoor
for the access and details for the broader team's usage.

## Related Tickets & Documents

- Closes kube-burner#646

Signed-off-by: Kishen V <[email protected]>

.github/workflows/test-k8s-ppc64le.yml

@@ -0,0 +1,62 @@
+name: Execute tests on k8s - PowerPC
+on:
+  workflow_dispatch:
+
+env:
+  K8S_VERSION: "v1.31.0"
+
+jobs:
+  ocp-e2e-ci:
+    runs-on: PPC64LE
+
+    steps:
+    - name: Checkout the kube-burner repository
+      uses: actions/checkout@v4
+    - uses: actions/setup-go@v5
+      with:
+        go-version-file: 'go.mod'
+        architecture: 'ppc64le'
+        # Disable caching to avoid error : Cannot open: File exists
+        # https://github.com/actions/setup-go/issues/314
+        cache: false
+
+
+    - name: Install bats
+      uses: bats-core/[email protected]
+      with:
+        bats-version: 1.11.0
+        support-install: false
+        assert-install: false
+        detik-install: false
+        file-install: false
+
+    - name: Install dependencies
+      run: sudo yum install git podman make wget jq -y
+
+    - name: Download kubectl binary
+      run: |
+        wget https://dl.k8s.io/${K8S_VERSION}/bin/linux/ppc64le/kubectl -O /tmp/kubectl --no-verbose
+        chmod +x /tmp/kubectl
+
+    - name:  Build and install kube-burner binary.
+      run: |
+        make build
+        cp bin/ppc64le/kube-burner /tmp
+
+    - name: Build container images
+      run: make images
+      env:
+        VERSION: snapshot
+
+    - name: Execute tests
+      run: |
+        export PATH=${PATH}:/tmp/
+        make test-k8s
+      env:
+        TERM: linux
+
+    - name: Clean up
+      run: |
+        rm -rf ${{ github.workspace }}/*
+        rm -rf /tmp/tmp*
+        rm /tmp/kube-burner

Makefile

@@ -2,7 +2,7 @@
 .PHONY: build lint clean test help images push manifest manifest-build all
 
 
-ARCH ?= amd64
+ARCH ?= $(shell uname -m | sed s/aarch64/arm64/ | sed s/x86_64/amd64/)
 BIN_NAME = kube-burner
 BIN_DIR = bin
 BIN_PATH = $(BIN_DIR)/$(ARCH)/$(BIN_NAME)

test/helpers.bash

@@ -5,25 +5,35 @@
 KIND_VERSION=${KIND_VERSION:-v0.19.0}
 K8S_VERSION=${K8S_VERSION:-v1.27.0}
 OCI_BIN=${OCI_BIN:-podman}
+ARCH=$(uname -m | sed s/aarch64/arm64/ | sed s/x86_64/amd64/)
 
 setup-kind() {
   KIND_FOLDER=$(mktemp -d)
   echo "Downloading kind"
-  curl -LsS https://github.com/kubernetes-sigs/kind/releases/download/"${KIND_VERSION}"/kind-linux-amd64 -o ${KIND_FOLDER}/kind-linux-amd64
-  chmod +x ${KIND_FOLDER}/kind-linux-amd64
+  # Kind is currently unavailable for ppc64le architecture, it is required that the binary is built for usage.
+  if [[ "$ARCH" == "ppc64le" ]]
+  then
+    git clone --single-branch --filter=tree:0 --branch ${KIND_VERSION} https://github.com/kubernetes-sigs/kind.git
+    make -C kind/ install INSTALL_DIR="${KIND_FOLDER}" KIND_BINARY_NAME="kind-linux-${ARCH}"
+    IMAGE=quay.io/powercloud/kind-node:"${K8S_VERSION}"
+  else
+    curl -LsS https://github.com/kubernetes-sigs/kind/releases/download/"${KIND_VERSION}/kind-linux-${ARCH}" -o ${KIND_FOLDER}/kind-linux-${ARCH}
+    chmod +x ${KIND_FOLDER}/kind-linux-${ARCH}
+    IMAGE=kindest/node:"${K8S_VERSION}"
+  fi
   echo "Deploying cluster"
-  ${KIND_FOLDER}/kind-linux-amd64 create cluster --config kind.yml --image kindest/node:"${K8S_VERSION}" --name kind --wait 300s -v=1
+  "${KIND_FOLDER}/kind-linux-${ARCH}" create cluster --config kind.yml --image ${IMAGE} --name kind --wait 300s -v=1
 }
 
 create_test_kubeconfig() {
   echo "Creating another kubeconfig"
-  "${KIND_FOLDER}"/kind-linux-amd64 export kubeconfig --kubeconfig "${TEST_KUBECONFIG}"
+  "${KIND_FOLDER}/kind-linux-${ARCH}" export kubeconfig --kubeconfig "${TEST_KUBECONFIG}"
   kubectl config rename-context kind-kind "${TEST_KUBECONTEXT}" --kubeconfig "${TEST_KUBECONFIG}"
 }
 
 destroy-kind() {
-  echo "Destroying kind server"
-  "${KIND_FOLDER}"/kind-linux-amd64 delete cluster
+  echo "Destroying kind cluster"
+  "${KIND_FOLDER}/kind-linux-${ARCH}" delete cluster
 }
 
 setup-prometheus() {