ci: add simple e2e test

Signed-off-by: Paul Meyer <[email protected]>

.github/workflows/e2e_simple.yml

@@ -0,0 +1,37 @@
+name: e2e test simple
+
+on:
+    workflow_dispatch:
+
+env:
+  container_registry: ghcr.io/edgelesssys
+  azure_resource_group: nunki-ci
+
+jobs:
+  test:
+    runs-on: ubuntu-22.04
+    steps:
+      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
+      - uses: cachix/install-nix-action@7ac1ec25491415c381d9b62f0657c7a028df52a7 # v24
+        with:
+          github_access_token: ${{ secrets.GITHUB_TOKEN }}
+      - uses: DeterminateSystems/magic-nix-cache-action@8a218f9e264e9c3803c9a1ee1c30d8e4ab55be63 #v2
+      - name: Login to Azure
+        uses: azure/login@92a5484dfaf04ca78a94597f4f19fea633851fa2 # v1.4.7
+        with:
+          creds: ${{ secrets.NUNKI_CI_INFRA_AZURE }}
+      - uses: nicknovitski/[email protected]
+      - name: Create justfile.env
+        run: |
+          cat <<EOF > justfile.env
+          container_registry=${{ env.container_registry }}
+          azure_resource_group=${{ env.azure_resource_group }}
+          EOF
+      - name: Get credentials for CI cluster
+        run: just get-credentials
+      - name: Build, push deploy
+        run: just default simple
+      - name: Set
+        run: just set
+      - name: Verify
+        run: just verify