added virtual mode conformance tests (#534)

.github/workflows/test-conformance-virtual.yaml

@@ -0,0 +1,125 @@
+name: Conformance Tests - Virtual Mode
+
+on:
+  schedule:
+    - cron: "0 1 * * *"
+  workflow_dispatch:
+
+permissions:
+    contents: read
+
+jobs:
+  conformance:
+    runs-on: ubuntu-latest
+
+    strategy:
+      fail-fast: false
+      matrix:
+        type:
+        - parallel
+        - serial
+
+    steps:
+    - name: Checkout code
+      uses: actions/checkout@v4
+      with:
+        fetch-depth: 0
+        fetch-tags: true
+
+    - uses: actions/setup-go@v5
+      with:
+        go-version-file: go.mod
+
+    - name: Install helm
+      uses: azure/setup-helm@v4.3.0
+    
+    - name: Install hydrophone
+      run: go install sigs.k8s.io/hydrophone@latest
+
+    - name: Install k3s
+      env:
+        KUBECONFIG: /etc/rancher/k3s/k3s.yaml
+        K3S_HOST_VERSION: v1.32.1+k3s1
+      run: |
+        curl -sfL https://get.k3s.io | INSTALL_K3S_VERSION=${K3S_HOST_VERSION} INSTALL_K3S_EXEC="--write-kubeconfig-mode=777" sh -s -
+
+        kubectl cluster-info
+        kubectl get nodes
+
+    - name: Build, package and setup K3k
+      env:
+        KUBECONFIG: /etc/rancher/k3s/k3s.yaml
+      run: |
+        export REPO=ttl.sh/$(uuidgen)
+        export VERSION=1h
+
+        make build
+        make package
+        make push
+        make install
+
+        # add k3kcli to $PATH
+        echo "${{ github.workspace }}/bin" >> $GITHUB_PATH
+        
+        echo "Wait for K3k controller to be available"
+        kubectl wait -n k3k-system pod --for condition=Ready -l "app.kubernetes.io/name=k3k" --timeout=5m
+
+    - name: Check k3kcli
+      run: k3kcli -v
+
+    - name: Create virtual cluster
+      env:
+        KUBECONFIG: /etc/rancher/k3s/k3s.yaml
+      run: |
+        k3kcli cluster create --mode=virtual --servers=2 mycluster
+
+        export KUBECONFIG=${{ github.workspace }}/k3k-mycluster-mycluster-kubeconfig.yaml        
+        
+        kubectl cluster-info
+        kubectl get nodes
+        kubectl get pods -A
+    
+    - name: Run conformance tests (parallel)
+      if: matrix.type == 'parallel'
+      run: |
+        # Run conformance tests in parallel mode (skipping serial)
+        hydrophone --conformance --parallel 4 --skip='\[Serial\]' \
+          --kubeconfig ${{ github.workspace }}/k3k-mycluster-mycluster-kubeconfig.yaml \
+          --output-dir /tmp
+
+    - name: Run conformance tests (serial)
+      if: matrix.type == 'serial'
+      run: |        
+        # Run serial conformance tests
+        hydrophone --focus='\[Serial\].*\[Conformance\]' \
+          --kubeconfig ${{ github.workspace }}/k3k-mycluster-mycluster-kubeconfig.yaml \
+          --output-dir /tmp
+    
+    - name: Export logs
+      if: always()
+      env:
+        KUBECONFIG: /etc/rancher/k3s/k3s.yaml
+      run: |
+        journalctl -u k3s -o cat --no-pager > /tmp/k3s.log
+        kubectl logs -n k3k-system -l "app.kubernetes.io/name=k3k" --tail=-1 > /tmp/k3k.log
+
+    - name: Archive K3s logs
+      uses: actions/upload-artifact@v4
+      if: always()
+      with:
+        name: k3s-${{ matrix.type }}-logs
+        path: /tmp/k3s.log
+
+    - name: Archive K3k logs
+      uses: actions/upload-artifact@v4
+      if: always()
+      with:
+        name: k3k-${{ matrix.type }}-logs
+        path: /tmp/k3k.log
+
+    - name: Archive conformance logs
+      uses: actions/upload-artifact@v4
+      if: always()
+      with:
+        name: conformance-${{ matrix.type }}-logs
+        path: /tmp/e2e.log

README.md

@@ -3,7 +3,8 @@
 [![Experimental](https://img.shields.io/badge/status-experimental-orange.svg)](https://shields.io/)
 [![Go Report Card](https://goreportcard.com/badge/github.com/rancher/k3k)](https://goreportcard.com/report/github.com/rancher/k3k)
 ![Tests](https://github.com/rancher/k3k/actions/workflows/test.yaml/badge.svg)
-![Build](https://github.com/rancher/k3k/actions/workflows/build.yml/badge.svg)
+![Build](https://github.com/rancher/k3k/actions/workflows/build.yml/badge.svg)  
+[![Conformance Tests - Virtual Mode](https://github.com/rancher/k3k/actions/workflows/test-conformance-virtual.yaml/badge.svg)](https://github.com/rancher/k3k/actions/workflows/test-conformance-virtual.yaml)
 
 
 K3k, Kubernetes in Kubernetes, is a tool that empowers you to create and manage isolated K3s clusters within your existing Kubernetes environment.  It enables efficient multi-tenancy, streamlined experimentation, and robust resource isolation, minimizing infrastructure costs by allowing you to run multiple lightweight Kubernetes clusters on the same physical host. K3k offers both "shared" mode, optimizing resource utilization, and "virtual" mode, providing complete isolation with dedicated K3s server pods. This allows you to access a full Kubernetes experience without the overhead of managing separate physical resources.