ced4568andClaude Sonnet 5
60fbf0c385
Pre-Phase-1 platform work, approved and tested earlier but not yet committed: - Terminal banner: "RootNode Academy Lab — node: k8s-lab", upstream KubeKosh attribution left untouched in footer/README/LICENSE. - RootNode curriculum mode: scenarios/rootnode-path.json (Foundation -> Workloads -> Networking -> Configuration -> Troubleshooting -> Real Ops -> Capstone), built from existing scenario content grouped by category, no new scenarios invented. New GET /api/curriculum/path endpoint. - Student roster + per-student progress: instructor-roster, pick-your-name login (no password), students/environments-adjacent progress table migrated to a (student_id, scenario_id) composite key so practice progress and exam sessions are isolated per student instead of one global bucket. New /api/roster, /api/login endpoints. - scenarios/data/*.json: added isolation_type metadata (shared_namespace vs ephemeral_cluster) from an audit of which scenarios execute cluster-scoped or node-level commands. This was Tier-1-isolation groundwork that got superseded same-day by the full-ephemeral-per-student architecture (see docs/LAB_ARCHITECTURE.md) — the field is kept as descriptive metadata only, per the note now in scenarios/SCHEMA.md. Not wasted: it's an accurate audit of which scenarios touch cluster-scoped resources, useful independent of isolation model. - .gitignore added (node_modules/, frontend/dist/, *.db, /data/, .env) — none existed before; without it, npm installs during testing would have landed in a commit. Known limitation still open: no frontend UI for any of this yet (login screen, roster-add form, curriculum view) — API-only. No auth on the roster-add endpoint. Co-Authored-By: Claude Sonnet 5 <[email protected]>
41 lines
1.9 KiB
JSON
41 lines
1.9 KiB
JSON
{
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"id": "kubectl-output-format-mcq",
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"title": "kubectl Output Formats",
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"category": "Core Concepts",
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"isolation_type": "shared_namespace",
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"difficulty": "Easy",
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"type": "mcq",
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"weight": 2,
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"description": "## kubectl Output Formats\n\nYou need to retrieve the **full live manifest** of a running deployment named `frontend` in YAML format so you can save it to a file for version control.\n\nWhich command produces the correct output?",
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"options": [
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{
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"id": "a",
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"text": "`kubectl describe deployment frontend` — prints a human-readable summary with events"
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},
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{
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"id": "b",
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"text": "`kubectl get deployment frontend -o yaml` — prints the full manifest in YAML format"
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},
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{
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"id": "c",
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"text": "`kubectl export deployment frontend` — exports a portable manifest (removed in k8s 1.18)"
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},
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{
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"id": "d",
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"text": "`kubectl manifest deployment frontend` — a built-in command for generating manifests"
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}
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],
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"correct_option": "b",
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"explanation": "`kubectl get <resource> -o yaml` (or `--output=yaml`) prints the full live manifest as YAML, including all managed fields. `kubectl describe` gives a human-readable summary with events — not a re-applicable YAML manifest. `kubectl export` was removed in Kubernetes 1.18. `kubectl manifest` does not exist. Use `-o json` for JSON output, or `-o jsonpath='...'` to extract specific fields. To save to a file: `kubectl get deployment frontend -o yaml > frontend.yaml`.",
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"hints": [
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{
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"title": "Output format flags",
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"body": "The `-o` / `--output` flag controls format: `-o yaml`, `-o json`, `-o wide` (extra columns), `-o name` (just the resource name), `-o jsonpath='...'` (field extraction).",
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"command": "kubectl get deployment frontend -o yaml"
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}
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],
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"setup_commands": [],
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"default_namespace": "default",
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"teardown_commands": []
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}
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