Abhinav Sinha
124e5276d4
- Split `scenarios/scenarios.json` into individual JSON files under `scenarios/data/` named `<scenario-id>.json` - Split `scenarios/bundles.json` into individual JSON files under `scenarios/bundles/` named `<bundle-id>.json` - Updated `backend/server.js` to dynamically load scenario and bundle files from their respective directories - Updated documentation in `scenarios/SCHEMA.md` and `README.md` to reflect the new repository layout and contributor workflow Signed-off-by: Abhinav Sinha <[email protected]>
80 lines
3.7 KiB
JSON
80 lines
3.7 KiB
JSON
{
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"id": "rbac-role",
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"title": "RBAC: Create Role and RoleBinding",
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"category": "Security",
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"difficulty": "Hard",
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"type": "task",
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"weight": 9,
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"description": "## Restrict Namespace Access with RBAC\n\nA CI/CD service account needs read-only access to pods and deployments in the `staging` namespace.\n\n**Your tasks:**\n1. Create namespace `staging`\n2. Create a **ServiceAccount** named `ci-reader` in the `staging` namespace\n3. Create a **Role** named `read-workloads` in `staging` that allows `get`, `list`, `watch` on `pods` and `deployments`\n4. Create a **RoleBinding** named `ci-reader-binding` that binds `read-workloads` to the `ci-reader` ServiceAccount\n5. Verify the ServiceAccount **can** list pods but **cannot** create them",
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"hints": [
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{
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"title": "Create namespace and service account",
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"body": "Create these first before the role, as the RoleBinding references both.",
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"command": "kubectl create namespace staging\nkubectl create serviceaccount ci-reader -n staging"
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},
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{
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"title": "Create the Role",
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"body": "Use `kubectl create role` with multiple `--verb` and `--resource` flags.",
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"command": "kubectl create role read-workloads \\\n --verb=get,list,watch \\\n --resource=pods,deployments \\\n -n staging"
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},
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{
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"title": "Bind the Role",
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"body": "RoleBinding ties a Role to a subject. ServiceAccount subjects need namespace-qualified names.",
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"command": "kubectl create rolebinding ci-reader-binding \\\n --role=read-workloads \\\n --serviceaccount=staging:ci-reader \\\n -n staging"
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},
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{
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"title": "Verify permissions with auth can-i",
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"body": "Use `--as` to impersonate the service account and test its permissions.",
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"command": "kubectl auth can-i list pods --as=system:serviceaccount:staging:ci-reader -n staging\nkubectl auth can-i create pods --as=system:serviceaccount:staging:ci-reader -n staging"
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}
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],
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"setup_commands": [],
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"validation": {
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"description": "Validates the full RBAC chain: namespace, SA, role, rolebinding, and effective permissions.",
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"commands": [
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{
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"description": "Namespace 'staging' exists",
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"command": "kubectl get namespace staging -o jsonpath='{.metadata.name}'",
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"expected_output": "staging",
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"match": "exact"
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},
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{
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"description": "ServiceAccount 'ci-reader' exists in staging",
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"command": "kubectl get serviceaccount ci-reader -n staging -o jsonpath='{.metadata.name}'",
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"expected_output": "ci-reader",
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"match": "exact"
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},
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{
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"description": "Role 'read-workloads' exists in staging",
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"command": "kubectl get role read-workloads -n staging -o jsonpath='{.metadata.name}'",
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"expected_output": "read-workloads",
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"match": "exact"
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},
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{
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"description": "RoleBinding 'ci-reader-binding' exists",
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"command": "kubectl get rolebinding ci-reader-binding -n staging -o jsonpath='{.metadata.name}'",
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"expected_output": "ci-reader-binding",
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"match": "exact"
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},
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{
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"description": "ci-reader CAN list pods",
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"command": "kubectl auth can-i list pods --as=system:serviceaccount:staging:ci-reader -n staging",
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"expected_output": "yes",
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"match": "exact"
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},
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{
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"description": "ci-reader CANNOT create pods",
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"command": "kubectl auth can-i create pods --as=system:serviceaccount:staging:ci-reader -n staging",
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"expected_output": "no",
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"match": "exact"
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}
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]
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},
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"default_namespace": "default",
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"teardown_commands": [
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{
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"command": "kubectl delete namespace staging --ignore-not-found --wait=false"
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}
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]
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}
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