Add e2e tests

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

.github/workflows/e2e.yaml

@@ -0,0 +1,43 @@
+name: e2e
+
+on:
+  workflow_dispatch:
+  push:
+    branches: [ '*' ]
+    tags-ignore: [ '*' ]
+
+jobs:
+  kubernetes:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+      - name: Setup Flux
+        uses: fluxcd/flux2/action@main
+      - name: Setup cluster fleet
+        run: make fleet-up
+      - name: Install Flux on the hub cluster
+        run: flux --context=kind-flux-hub install
+      - name: Setup cluster reconciliation
+        run: |
+          flux create source git flux-system \
+          --url=${{ github.event.repository.html_url }} \
+          --branch=${GITHUB_REF#refs/heads/} \
+          --username=${GITHUB_ACTOR} \
+          --password=${{ secrets.GITHUB_TOKEN }} \
+          --ignore-paths="hub/flux-system/"
+          flux create kustomization flux-system \
+          --source=flux-system \
+          --path="./hub"
+      - name: Verify clusters reconciliation
+        run: |
+          kubectl -n staging wait kustomization/apps --for=condition=ready --timeout=5m
+          kubectl -n production wait kustomization/apps --for=condition=ready --timeout=5m
+      - 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
+          flux get all --all-namespaces

.github/workflows/test.yaml

@@ -0,0 +1,23 @@
+name: test
+
+on:
+  workflow_dispatch:
+  pull_request:
+  push:
+    branches: [ '*' ]
+    tags-ignore: [ '*' ]
+
+jobs:
+  manifests:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+      - name: Setup yq
+        uses: fluxcd/pkg/actions/yq@main
+      - name: Setup kubeconform
+        uses: fluxcd/pkg/actions/kubeconform@main
+      - name: Setup kustomize
+        uses: fluxcd/pkg/actions/kustomize@main
+      - name: Validate manifests
+        run: make validate