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Helm Debugging & Troubleshooting

Comprehensive guidance for diagnosing and fixing Helm deployment failures, template errors, and configuration issues.

When to Use

Use this skill automatically when:

• User reports Helm deployment failures or errors
• User mentions debugging, troubleshooting, or fixing Helm issues
• Template rendering problems occur
• Value validation or type errors
• Resource conflicts or API errors
• Image pull failures or pod crashes
• User needs to inspect deployed resources

Context Safety (CRITICAL)

Always specify--context explicitly in all kubectl and helm commands. Never rely on the current context.

# CORRECT: Explicit context
kubectl --context=prod-cluster get pods -n prod
helm --kube-context=prod-cluster status myapp -n prod

# WRONG: Relying on current context
kubectl get pods -n prod  # Which cluster?

This prevents accidental operations on the wrong cluster.

Layered Validation Approach

ALWAYS follow this progression for robust deployments:

# 1. LINT - Static analysis (local charts only)
helm lint ./mychart --strict

# 2. TEMPLATE - Render templates locally
helm template myapp ./mychart \
  --debug \
  --values values.yaml

# 3. DRY-RUN - Server-side validation
helm install myapp ./mychart \
  --namespace prod \
  --values values.yaml \
  --dry-run --debug

# 4. INSTALL - Actual deployment
helm install myapp ./mychart \
  --namespace prod \
  --values values.yaml \
  --atomic --wait

# 5. TEST - Post-deployment validation (if chart has tests)
helm test myapp --namespace prod --logs

Core Debugging Commands

Template Rendering & Inspection

# Render all templates locally
helm template myapp ./mychart \
  --debug \
  --values values.yaml

# Render specific template file
helm template myapp ./mychart \
  --show-only templates/deployment.yaml \
  --values values.yaml

# Render with debug output (shows computed values)
helm template myapp ./mychart \
  --debug \
  --values values.yaml \
  2>&1 | less

# Validate against Kubernetes API (dry-run)
helm install myapp ./mychart \
  --namespace prod \
  --values values.yaml \
  --dry-run \
  --debug

Inspect Deployed Resources

# Get deployed manifest (actual YAML in cluster)
helm get manifest myapp --namespace prod

# Get deployed values (what was actually used)
helm get values myapp --namespace prod

# Get ALL values (including defaults)
helm get values myapp --namespace prod --all

# Get release status with resources
helm status myapp --namespace prod --show-resources

# Get everything about a release
helm get all myapp --namespace prod

Chart Validation

# Lint chart structure and templates
helm lint ./mychart

# Lint with strict mode (treats warnings as errors)
helm lint ./mychart --strict

# Lint with specific values
helm lint ./mychart --values values.yaml --strict

# Validate chart against Kubernetes API
helm install myapp ./mychart \
  --dry-run --validate --namespace prod

Verbose Debugging

# Enable Helm debug logging
helm install myapp ./mychart \
  --namespace prod \
  --debug \
  --dry-run

# Enable Kubernetes client logging
helm install myapp ./mychart \
  --namespace prod \
  --v=6  # Verbosity level 0-9

Common Failure Scenarios

For detailed debugging steps, fixes, and examples for each failure scenario, see REFERENCE.md.

Agentic Optimizations

Related Skills

• Helm Release Management - Install, upgrade, uninstall operations
• Helm Values Management - Advanced configuration management
• Helm Release Recovery - Rollback and recovery strategies
• Kubernetes Operations - Managing and debugging K8s resources
• ArgoCD CLI Login - GitOps debugging with ArgoCD

References

• Helm Debugging Documentation
• Helm Troubleshooting Guide
• Kubernetes Debugging
• Template Function Reference

Weekly Installs

65

Repository

laurigates/clau…-plugins

GitHub Stars

23

First Seen

Jan 29, 2026

Security Audits

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