A powerful auditing tool designed to validate Kustomize configurations for best practices, overlay consistency, and deployment safety across multiple environments.
Install & Download
1. ClawHub CLI
The fastest way to install a skill directly from the registry.
npx clawhub@latest install kustomize-analyzer
2. Manual Installation
Copy the skill folder to one of these locations
~/.openclaw/skills/ <project>/skills/ Priority: Workspace > Local > Bundled
3. Prompt Installation
Copy this prompt to OpenClaw to install it automatically.
Help me install kustomize-analyzer using Clawhub. If Clawhub is not installed, install it first (npm i -g clawhub).
Prefer to download?
Get the raw skill files in a ZIP archive.
What is Kustomize Analyzer?
Kustomize Analyzer is a specialized utility within the Openclaw Skills ecosystem built for DevOps engineers and SREs who manage complex Kubernetes deployments. It systematically scans Kustomize directory structures to identify discrepancies between base configurations and environment-specific overlays, ensuring that your Infrastructure as Code (IaC) remains dry, secure, and production-ready.
By automating the review of strategic merge patches, JSON patches, and resource management, this skill prevents common deployment failures. It provides deep visibility into how environment-specific values scale from development to production, highlighting missing resource limits, insecure secret handling, and inconsistent network policies before they reach your cluster.
Kustomize Analyzer Use Cases
- Reviewing Kustomize setups for multi-environment consistency (Dev, Staging, Prod).
- Auditing resource management to ensure production workloads have appropriate CPU and memory limits.
- Verifying the correctness of strategic merge and JSON patches against base resources.
- Detecting security vulnerabilities such as plain-text secrets or missing PodDisruptionBudgets.
- Automating CI/CD checks to build and verify Kustomize manifests before deployment.
How Kustomize Analyzer Works
- Structure Discovery: The skill recursively searches the workspace to find all kustomization.yaml files and maps the relationships between bases and overlays.
- Configuration Audit: It evaluates base resources for naming conventions and labels while checking overlays for valid extension patterns.
- Patch Validation: Each patch is analyzed to ensure it targets existing fields and that the operations (add, replace, etc.) are logically sound.
- Cross-Environment Comparison: The analyzer compares resource counts, image tags, and replica scales across all environments to find discrepancies.
- Build Verification: It executes dry-run builds to confirm the final YAML output is valid and follows Kubernetes schema requirements.
Kustomize Analyzer Setup
To integrate this capability into your workflow, ensure your environment has access to the Openclaw Skills directory and use the following commands to initialize the analyzer:
# Ensure kubectl is installed for build verification
kubectl version --client
# Run the discovery script within your k8s directory
find . -name "kustomization.yaml" -o -name "kustomization.yml" | sort
# Trigger a manual build check for your production overlay
kubectl kustomize ./overlays/production
Kustomize Analyzer Data Schema & Taxonomy
The Kustomize Analyzer organizes data by mapping the inheritance tree of your Kubernetes manifests:
| Data Component | Description | Metadata Tracked |
|---|---|---|
| Base Resources | The root YAML manifests | Kind, API Version, Common Labels |
| Overlays | Environment-specific folders | Namespace, Name Prefixes, Replicas |
| Patches | Strategic Merge or JSON files | Target Field, Operation Type, File Path |
| Build Artifacts | Temporary YAML outputs | Resource Count, Validation Errors |
Kustomize Analyzer Advanced Features
- Multi-environment scaling analysis to verify that production resources scale appropriately compared to dev.
- Strategic patch targeting validation to ensure no silent failures occur during kustomize build.
- Automated image tag promotion tracking to flag inconsistent versions across environments.
- Security-first auditing for RBAC resources, NetworkPolicies, and secret management patterns.
- Detailed environment comparison tables for at-a-glance configuration drift detection.
SKILL.md
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