Helm Drill Answers¶

Drill 1¶

helm list -A

Drill 2¶

helm status grokdevops -n grokdevops

Shows STATUS (deployed/failed/pending-upgrade), REVISION, chart version.

Drill 3¶

helm history grokdevops -n grokdevops

Shows all revisions with status, description, and timestamps.

Drill 4¶

helm get values grokdevops -n grokdevops

Shows only user-overridden values (not defaults).

Drill 5¶

helm get values grokdevops -n grokdevops --all

The --all flag includes default chart values merged with overrides.

Drill 6¶

helm template grokdevops devops/helm/grokdevops -f devops/helm/values-dev.yaml

Renders YAML to stdout. No cluster interaction.

Drill 7¶

helm lint devops/helm/grokdevops -f devops/helm/values-dev.yaml

Reports errors and warnings. Or: make helm-lint

Drill 8¶

helm rollback grokdevops -n grokdevops

Without a revision number, rolls back to the previous revision. To specify: helm rollback grokdevops 2 -n grokdevops

Drill 9¶

helm upgrade grokdevops devops/helm/grokdevops -n grokdevops \
  -f devops/helm/values-dev.yaml --dry-run

Shows what would be applied without actually deploying.

Drill 10¶

helm get manifest grokdevops -n grokdevops --revision 1 > /tmp/rev1.yaml
helm get manifest grokdevops -n grokdevops --revision 2 > /tmp/rev2.yaml
diff /tmp/rev1.yaml /tmp/rev2.yaml

Drill 11¶

helm get manifest grokdevops -n grokdevops

Shows the actual K8s resources deployed by this release.

Drill 12¶

helm uninstall grokdevops -n grokdevops --keep-history

--keep-history preserves release history so you can helm rollback later.

Drill 13¶

helm dependency list devops/helm/grokdevops

Or check Chart.yaml for the dependencies: section.

Drill 14¶

helm upgrade grokdevops devops/helm/grokdevops -n grokdevops \
  -f devops/helm/values-dev.yaml --set replicaCount=3

--set overrides a single value without changing the values file.

Drill 15¶

# 1. Check release status
helm status grokdevops -n grokdevops

# 2. Check release history for the failed revision
helm history grokdevops -n grokdevops

# 3. Check pods
kubectl get pods -n grokdevops

# 4. Check events
kubectl get events -n grokdevops --sort-by=.lastTimestamp

# 5. Rollback if needed
helm rollback grokdevops -n grokdevops