ci(e2e): add DVP-over-DVP matrix testing with parallel execution

.github/actions/setup-e2e-tools/action.yml

@@ -0,0 +1,80 @@
+name: Setup E2E Tools
+description: Install kubectl, helm, d8, task, yq with caching
+
+runs:
+  using: composite
+  steps:
+    - name: Cache binaries
+      uses: actions/cache@v4
+      id: cache
+      with:
+        path: ~/.local/bin
+        key: e2e-tools-${{ runner.os }}-v3
+
+    - name: Ensure tools installed (install if missing or cache empty)
+      shell: bash
+      run: |
+        set -euo pipefail
+        mkdir -p ~/.local/bin
+
+        need_install=false
+        for bin in helm yq task; do
+          if ! command -v "$bin" >/dev/null 2>&1; then
+            echo "missing: $bin"; need_install=true
+          fi
+        done
+        # Always (re)install kubectl into ~/.local/bin to shadow system kubectl
+        need_install=true
+        if [ "${need_install}" != "true" ] && [ "${{ steps.cache.outputs.cache-hit }}" = "true" ]; then
+          echo "All tools present from cache, skipping install."
+          exit 0
+        fi
+
+        # Install system dependencies
+        sudo apt-get update
+        sudo apt-get install -y jq apache2-utils curl bash ca-certificates
+
+        # Install kubectl (always to ~/.local/bin)
+        KUBECTL_VERSION=$(curl -Ls https://dl.k8s.io/release/stable.txt)
+        curl -fsSL -o kubectl "https://dl.k8s.io/release/${KUBECTL_VERSION}/bin/linux/amd64/kubectl"
+        chmod +x kubectl && mv kubectl ~/.local/bin/kubectl
+
+        # Install helm
+        curl -fsSL https://raw.githubusercontent.com/helm/helm/main/scripts/get-helm-3 | bash
+        if [ -x /usr/local/bin/helm ]; then mv /usr/local/bin/helm ~/.local/bin/; fi
+
+        # Install d8
+        curl -fsSL -o d8-install.sh https://raw.githubusercontent.com/deckhouse/deckhouse-cli/main/d8-install.sh
+        bash d8-install.sh || true
+        if [ -x /usr/local/bin/d8 ]; then cp -f /usr/local/bin/d8 ~/.local/bin/d8; fi
+
+        # Install yq
+        curl -L -o ~/.local/bin/yq https://github.com/mikefarah/yq/releases/download/v4.44.1/yq_linux_amd64
+        chmod +x ~/.local/bin/yq
+
+        # Install task
+        sh -c "$(curl -fsSL https://taskfile.dev/install.sh)" -- -d -b ~/.local/bin
+
+        # Cleanup
+        rm -f d8-install.sh
+
+    - name: Add to PATH
+      shell: bash
+      run: |
+        echo "$HOME/.local/bin" >> $GITHUB_PATH
+        echo "/usr/local/bin" >> $GITHUB_PATH
+
+    - name: Verify installation
+      shell: bash
+      run: |
+        echo "✅ Installed tools:"
+        which kubectl || true
+        kubectl version --client=true --output=yaml || kubectl version || true
+        which helm || true
+        helm version --short || true
+        which d8 || true
+        d8 version || true
+        which yq || true
+        yq --version || true
+        which task || true
+        task --version || true