add barebones e2e tests action, with k3d setup

Signed-off-by: Alexandre Lamarre <alexandre.lamarre@suse.com>

.github/workflows/e2e-test.yaml

@@ -0,0 +1,48 @@
+name: Backup Restore CI
+
+on:
+  push:
+    paths-ignore:
+      - 'docs/**'
+      - '*.md'
+      - '.gitignore'
+      - 'CODEOWNERS'
+      - 'LICENSE'
+
+env :
+  K3D_VERSION : v5.4.6
+  CLUSTER_NAME : backup-restore
+
+jobs:
+  e2e:
+    name : e2e-test
+    runs-on : ubuntu-latest
+    strategy:
+      matrix:
+        K8S_VERSION_FROM_CI : ["v1.24","stable"]
+        include:
+          - platform: linux/amd64
+          - platform: linux/arm64
+    steps:
+      - name : Checkout repository
+        uses : actions/checkout@v4
+      - name : Setup environment variables
+        run : echo "K8S_VERSION_FROM_CI=${{ matrix.K8S_VERSION_FROM_CI }}" >> $GITHUB_ENV
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3 
+      - name : CI
+        run : make ci
+      - name : Install K3D
+        run : ./.github/workflows/e2e/scripts/install-k3d.sh
+      - name : Setup Cluster 
+        run : ./.github/workflows/e2e/scripts/setup-cluster.sh
+      - name : Cluster info
+        run: |
+          kubectl cluster-info --context ${{ env.CLUSTER_NAME }}
+      - name: Nodes
+        run: |
+          docker ps -a
+          kubectl config use-context ${{ env.CLUSTER_NAME }}
+          kubectl get nodes -o wide
+      - name: Network
+        run: docker network inspect nw01

.github/workflows/e2e/scripts/install-k3d.sh

@@ -0,0 +1,14 @@
+#!/bin/bash
+
+set -e
+set -x
+
+K3D_URL=https://raw.githubusercontent.com/k3d-io/k3d/main/install.sh
+DEFAULT_K3D_VERSION=v5.4.6
+
+local k3dVersion=${K3D_VERSION:-${DEFAULT_K3D_VERSION}}
+
+echo -e "Downloading k3d@${k3dVersion} see: ${K3D_URL}"
+curl --silent --fail ${K3D_URL} | TAG=${k3dVersion} bash
+
+k3d version

.github/workflows/e2e/scripts/setup-cluster.sh

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+#!/bin/bash
+
+set -e
+set -x
+
+# waits until all nodes are ready
+wait_for_nodes(){
+  echo "wait until all agents are ready"
+  while :
+  do
+    readyNodes=1
+    statusList=$(kubectl get nodes --no-headers | awk '{ print $2}')
+    # shellcheck disable=SC2162
+    while read status
+    do
+      if [ "$status" == "NotReady" ] || [ "$status" == "" ]
+      then
+        readyNodes=0
+        break
+      fi
+    done <<< "$(echo -e  "$statusList")"
+    # all nodes are ready; exit
+    if [[ $readyNodes == 1 ]]
+    then
+      break
+    fi
+    sleep 1
+  done
+}
+
+k3d cluster create ${CLUSTER_NAME}
+wait_for_nodes