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test: add examplesa and update reconcile test
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‎.github/workflows/test-examples.yml‎

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name: Test Examples
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on:
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push:
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branches: [ main ]
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pull_request:
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branches: [ main ]
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# Allow manual triggering
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workflow_dispatch:
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jobs:
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examples-test:
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name: Test example VirtualClusters
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runs-on: ubuntu-latest
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steps:
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- name: Checkout code
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uses: actions/checkout@v3
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with:
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fetch-depth: 0
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- name: Set up Go
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uses: actions/setup-go@v4
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with:
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go-version-file: 'go.mod'
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cache: true
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- name: Setup Kind
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uses: helm/kind-action@v1.8.0
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with:
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wait: 300s
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cluster_name: kind
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- name: Install CRDs
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run: |
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make install
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- name: Build and load controller image
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run: |
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make docker-build docker-push IMG=openvirtualcluster-operator:test
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kind load docker-image openvirtualcluster-operator:test --name kind
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- name: Deploy controller
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run: |
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make deploy IMG=openvirtualcluster-operator:test
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- name: Wait for controller to be ready
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run: |
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kubectl wait --for=condition=available --timeout=300s deployment/openvirtualcluster-controller-manager -n openvirtualcluster-system
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- name: Run example tests
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run: |
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go test -v ./test/e2e/examples_test.go -ginkgo.v
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- name: Collect logs on failure
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if: failure()
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run: |
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kubectl logs -n openvirtualcluster-system -l control-plane=controller-manager --tail=100
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kubectl get pods -A
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kubectl get virtualclusters -A

‎examples/basic-virtualcluster.yaml‎

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apiVersion: core.openvc.dev/v1alpha1
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kind: VirtualCluster
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metadata:
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name: basic-vcluster
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namespace: default
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spec:
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values:
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# Minimal configuration for a basic virtual cluster
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vcluster:
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image: rancher/k3s:v1.27.3-k3s1
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# Disable persistent storage to keep the example simple
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storage:
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persistence: false
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# Disable telemetry
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telemetry:
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disabled: true

‎examples/custom-k8s-version.yaml‎

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apiVersion: core.openvc.dev/v1alpha1
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kind: VirtualCluster
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metadata:
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name: custom-k8s-version
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namespace: default
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spec:
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# You can also specify a custom chart version
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chart:
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version: "v0.24.1"
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values:
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# Specify a particular K8s version for your virtual cluster
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vcluster:
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# Using K8s 1.28 instead of the default version
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image: rancher/k3s:v1.28.2-k3s1
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# Additional K3s/K8s args if needed
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extraArgs:
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- --disable=traefik
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- --disable=servicelb
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# Disable telemetry
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telemetry:
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disabled: true

‎examples/distro-specific.yaml‎

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apiVersion: core.openvc.dev/v1alpha1
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kind: VirtualCluster
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metadata:
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name: k0s-vcluster
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namespace: default
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spec:
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values:
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# Configure a different Kubernetes distribution
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# In this example, we're using k0s instead of k3s
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vcluster:
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# Switch from k3s (default) to k0s
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plugin:
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name: k0s
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# K0s-specific settings
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k0s:
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version: "v1.27.1-k0s.0"
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# Optional k0s config
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extraConfig: |
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apiVersion: k0s.k0sproject.io/v1beta1
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kind: ClusterConfig
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metadata:
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name: k0s
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spec:
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extensions:
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helm:
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repositories:
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- name: ingress-nginx
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url: https://kubernetes.github.io/ingress-nginx
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charts:
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- name: ingress-controller
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chartname: ingress-nginx/ingress-nginx
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version: "4.6.0"
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namespace: ingress-nginx
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# Configure a minimal, working setup
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service:
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type: ClusterIP
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storage:
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persistence: false

‎examples/exposed-service.yaml‎

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apiVersion: core.openvc.dev/v1alpha1
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kind: VirtualCluster
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metadata:
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name: exposed-vcluster
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namespace: default
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spec:
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values:
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# Basic vcluster configuration
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vcluster:
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image: rancher/k3s:v1.27.3-k3s1
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# Configure the service to expose the virtual cluster
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service:
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# Use NodePort to expose the service on a port on each node
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type: NodePort
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# If you have a load balancer available, use LoadBalancer instead
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# type: LoadBalancer
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# Configure the node port if using NodePort
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nodePort: 30080
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# Configure extra ports to expose
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extraPorts:
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- name: metrics
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port: 8443
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targetPort: 8443
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nodePort: 30081

‎examples/ingress-sync.yaml‎

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apiVersion: core.openvc.dev/v1alpha1
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kind: VirtualCluster
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metadata:
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name: ingress-sync
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namespace: default
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spec:
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values:
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# Configure which resources to sync from virtual cluster to host cluster
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sync:
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# Enable ingress sync
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ingresses:
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enabled: true
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# Enable service sync
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services:
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enabled: true
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# Enable configmap sync
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configmaps:
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enabled: false
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# Enable secret sync
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secrets:
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enabled: false
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# Basic vcluster configuration
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vcluster:
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image: rancher/k3s:v1.27.3-k3s1
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# Service configuration
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service:
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type: ClusterIP

‎examples/multitenant-isolation.yaml‎

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apiVersion: core.openvc.dev/v1alpha1
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kind: VirtualCluster
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metadata:
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name: tenant-a-vcluster
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namespace: tenant-a
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spec:
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values:
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# Basic vcluster configuration with specific version
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vcluster:
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image: rancher/k3s:v1.27.3-k3s1
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# Configure isolation settings for multi-tenancy
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isolation:
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# Enable network isolation
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enabled: true
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# Prevent tenant from accessing host services
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networkPolicy: true
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# Resource quota enforcement for the tenant
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syncer:
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extraArgs:
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- --enforce-pod-security-standard=restricted
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# Configure resource limits
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resources:
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limits:
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cpu: "2"
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memory: "2Gi"
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requests:
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cpu: "500m"
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memory: "512Mi"
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# Control which resources get synced to parent cluster
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sync:
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# Only sync ingresses and services, not other resources
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ingresses:
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enabled: true
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services:
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enabled: true
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configmaps:
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enabled: false
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secrets:
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enabled: false
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# Disable admin access from host cluster
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rbac:
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clusterRole:
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# Disable admin role binding creation in the host cluster
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createRole: false

‎examples/persistent-storage.yaml‎

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apiVersion: core.openvc.dev/v1alpha1
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kind: VirtualCluster
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metadata:
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name: persistent-vcluster
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namespace: default
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spec:
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values:
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# Configure persistent storage for the virtual cluster
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storage:
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# Enable persistent storage
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persistence: true
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# Configure the storage class to use
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# Leave empty to use the default storage class
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storageClass: ""
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# Configure the size of the persistent volume
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size: 5Gi
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# Configure the access mode for the persistent volume
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accessModes:
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- ReadWriteOnce
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# Basic vcluster configuration
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vcluster:
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image: rancher/k3s:v1.27.3-k3s1

‎examples/resource-limits.yaml‎

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apiVersion: core.openvc.dev/v1alpha1
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kind: VirtualCluster
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metadata:
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name: resource-limited-vcluster
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namespace: default
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spec:
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values:
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# Basic vcluster configuration
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vcluster:
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image: rancher/k3s:v1.27.3-k3s1
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# Configure resource limits and requests for the virtual cluster
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resources:
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# Resource limits for the vcluster itself
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limits:
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cpu: "1"
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memory: "1Gi"
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# Resource requests for the vcluster
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requests:
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cpu: "200m"
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memory: "512Mi"
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# Configure resource limits for other components
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syncer:
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resources:
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limits:
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cpu: "500m"
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memory: "256Mi"
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requests:
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cpu: "100m"
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memory: "128Mi"
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# Disable telemetry
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telemetry:
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disabled: true

‎internal/controller/reconcile_test.go‎

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// MockVirtualClusterReconciler embeds the real reconciler for testing
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type MockVirtualClusterReconciler struct {
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// Embed the reconciler
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client.Client
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Scheme *runtime.Scheme
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Recorder record.EventRecorder
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VirtualClusterReconciler
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// Add fields to track mock behavior
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createValuesFileCalled bool
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// Create the mock reconciler
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mockReconciler = &MockVirtualClusterReconciler{
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Client: fakeClient,
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Scheme: scheme,
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Recorder: record.NewFakeRecorder(10),
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VirtualClusterReconciler: VirtualClusterReconciler{
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Client: fakeClient,
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Scheme: scheme,
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Recorder: record.NewFakeRecorder(10),
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},
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// Set default mock return values
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createValuesFileResult: "/tmp/mock-values.yaml",
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createValuesFileError: nil,

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