ced4568/rootnode-academy
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

fix: teardown issues in 3 scenarios

Browse Source 
1. pv-pvc-mount
2. node-tain-toleration
3. pod-disruption-budget-task

Signed-off-by: Abhinav Sinha <[email protected]>
This commit is contained in:
Abhinav Sinha
2026-06-10 11:51:08 +05:30
parent 658296b30e
commit 3f51e219b0
1 changed files with 10 additions and 13 deletions
Download Patch File Download Diff File Expand all files Collapse all files
scenarios/scenarios.json
+10 -13
View File
@@ -371,9 +371,6 @@
}, },
{ {
"command": "kubectl delete pvc local-pvc --ignore-not-found" "command": "kubectl delete pvc local-pvc --ignore-not-found"
},
{
"command": "kubectl delete pv local-pv --ignore-not-found"
} }
] ]
}, },
@@ -1215,7 +1212,7 @@
"default_namespace": "default", "default_namespace": "default",
"teardown_commands": [ "teardown_commands": [
{ {
"command": "kubectl taint nodes k8s-lab env:NoSchedule- 2>/dev/null || true" "command": "kubectl taint nodes k8s-lab env=gpu:NoSchedule- 2>/dev/null || true"
}, },
{ {
"command": "kubectl delete pod gpu-pod --ignore-not-found --grace-period=0 --force" "command": "kubectl delete pod gpu-pod --ignore-not-found --grace-period=0 --force"
@@ -3910,12 +3907,12 @@
"difficulty": "Medium", "difficulty": "Medium",
"type": "task", "type": "task",
"weight": 6, "weight": 6,
"description": "## PodDisruptionBudget\n\nA **PodDisruptionBudget (PDB)** limits the number of pods of a replicated application that are down simultaneously during voluntary disruptions (node drains, cluster upgrades). It is a critical CKA topic.\n\n**Your task:**\n\nA Deployment named `web-app` with **3 replicas** is already running. Create a **PodDisruptionBudget** named `web-pdb` in the `default` namespace that:\n- Applies to pods with the label `app=web-app`\n- Ensures **at least 2 pods** are always available (`minAvailable: 2`)\n\n```bash\n# Verify:\nkubectl get pdb web-pdb\n```", "description": "## PodDisruptionBudget\n\nA **PodDisruptionBudget (PDB)** limits the number of pods of a replicated application that are down simultaneously during voluntary disruptions (node drains, cluster upgrades). It is a critical CKA topic.\n\n**Your task:**\n\nA Deployment named `pdb-app` with **3 replicas** is already running. Create a **PodDisruptionBudget** named `web-pdb` in the `default` namespace that:\n- Applies to pods with the label `app=pdb-app`\n- Ensures **at least 2 pods** are always available (`minAvailable: 2`)\n\n```bash\n# Verify:\nkubectl get pdb web-pdb\n```",
"hints": [ "hints": [
{ {
"title": "PodDisruptionBudget manifest", "title": "PodDisruptionBudget manifest",
"body": "Use `spec.minAvailable` (integer or percentage) and `spec.selector.matchLabels` to target the right pods.", "body": "Use `spec.minAvailable` (integer or percentage) and `spec.selector.matchLabels` to target the right pods.",
"command": "cat <<EOF | kubectl apply -f -\napiVersion: policy/v1\nkind: PodDisruptionBudget\nmetadata:\n name: web-pdb\nspec:\n minAvailable: 2\n selector:\n matchLabels:\n app: web-app\nEOF" "command": "cat <<EOF | kubectl apply -f -\napiVersion: policy/v1\nkind: PodDisruptionBudget\nmetadata:\n name: web-pdb\nspec:\n minAvailable: 2\n selector:\n matchLabels:\n app: pdb-app\nEOF"
}, },
{ {
"title": "Check the PDB status", "title": "Check the PDB status",
@@ -3925,10 +3922,10 @@
], ],
"setup_commands": [ "setup_commands": [
{ {
"command": "kubectl create deployment web-app --image=nginx:alpine --replicas=3 2>/dev/null || true" "command": "kubectl create deployment pdb-app --image=nginx:alpine --replicas=3 2>/dev/null || true"
}, },
{ {
"command": "kubectl rollout status deployment/web-app --timeout=90s" "command": "kubectl rollout status deployment/pdb-app --timeout=90s"
} }
], ],
"validation": { "validation": {
@@ -3946,14 +3943,14 @@
"match": "exact" "match": "exact"
}, },
{ {
"description": "PDB selector targets app=web-app", "description": "PDB selector targets app=pdb-app",
"command": "kubectl get pdb web-pdb -o jsonpath='{.spec.selector.matchLabels.app}'", "command": "kubectl get pdb web-pdb -o jsonpath='{.spec.selector.matchLabels.app}'",
"expected_output": "web-app", "expected_output": "pdb-app",
"match": "exact" "match": "exact"
}, },
{ {
"description": "Deployment 'web-app' has 3 replicas", "description": "Deployment 'pdb-app' has 3 replicas",
"command": "kubectl get deployment web-app -o jsonpath='{.spec.replicas}'", "command": "kubectl get deployment pdb-app -o jsonpath='{.spec.replicas}'",
"expected_output": "3", "expected_output": "3",
"match": "exact" "match": "exact"
} }
@@ -3965,7 +3962,7 @@
"command": "kubectl delete pdb web-pdb --ignore-not-found" "command": "kubectl delete pdb web-pdb --ignore-not-found"
}, },
{ {
"command": "kubectl delete deployment web-app --ignore-not-found" "command": "kubectl delete deployment pdb-app --ignore-not-found"
} }
] ]
}, },