Add Kubernetes Kind e2e test

Signed-off-by: Stefan Prodan <stefan.prodan@gmail.com>

.github/workflows/e2e.yaml

@@ -0,0 +1,47 @@
+name: e2e
+
+on:
+  push:
+    branches-ignore:
+      - 'main'
+    tags-ignore:
+      - '*'
+
+jobs:
+  kubernetes:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+      - name: Setup tools
+        uses: ./.github/actions/tools
+      - name: Setup Flux
+        uses: fluxcd/flux2/action@main
+      - name: Setup Kubernetes
+        uses: engineerd/setup-kind@v0.5.0
+      - name: Install Flux in Kubernetes Kind
+        run: flux install
+      - name: Setup cluster reconciliation
+        run: |
+          flux create source git flux-system \
+          --url=${{ github.event.repository.html_url }} \
+          --branch=${GITHUB_REF#refs/heads/}
+          flux create kustomization flux-system \
+          --source=flux-system \
+          --path=./clusters/staging
+      - name: Verify cluster reconciliation
+        run: |
+          kubectl -n flux-system wait kustomization/kyverno --for=condition=ready --timeout=1m
+          kubectl -n flux-system wait kustomization/kyverno-policies --for=condition=ready --timeout=1m
+          kubectl -n flux-system wait kustomization/tenants --for=condition=ready --timeout=1m
+      - name: Verify tenant reconciliation
+        run: |
+          kubectl -n apps wait kustomization/dev-team --for=condition=ready --timeout=1m
+          kubectl -n apps wait helmrelease/podinfo --for=condition=ready --timeout=1m
+      - name: Debug failure
+        if: failure()
+        run: |
+          kubectl -n flux-system get all
+          kubectl -n flux-system logs deploy/source-controller
+          kubectl -n flux-system logs deploy/kustomize-controller
+          kubectl -n flux-system logs deploy/helm-controller