Krkn
Krkn aka Kraken
Tag: Docs
Getting Started
How to deploy sample microservice and run Krkn-AI test
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krkn-hub
Krkn-hub aka kraken-hub
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Getting Started
Getting started with Krkn-chaos
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Metrics Validation
Run chaos and automatically evaluate Prometheus metrics for a clear pass or fail without manual inspection.
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Running a Chaos Scenario with Krkn
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Setting Up Disconnected Environment
Getting Your Disconnected Environment Set Up
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Git Help For Contributions
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Installation
Details on how to install krkn, krkn-hub, and krknctl
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Long-Term Storage
Persist metrics from every chaos run into Elasticsearch to compare behavior across releases, dates, or cluster configurations.
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Krkn-AI
How to install Krkn-AI
License Header & Pre-Commit
How to set up and run the pre-commit license header check for Krkn
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Resilience Score
Generate a numerical score (0–100%) that represents how well your environment held up during chaos.
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Krkn Dashboard
How to install and run the Krkn Dashboard (local, containerized, or via krknctl).
Monitoring Dashboard Guide
Monitor Krkn-AI experiment results with an interactive dashboard.
Multi-Cluster Orchestration
Run chaos scenarios across multiple clusters or cloud environments from a single control point using krkn-operator.
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krknctl-assist
How to install and run krknctl-assist
Cerberus
Guardian of kubernetes
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Implement the Plugin
Complete the abstract interface and connect a scenario YAML file to krkn-lib operations.
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Scenario Architecture
Follow a scenario from registry metadata and typed inputs to execution against a target cluster.
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Developer Guide
Build a custom Krkn scenario, package its image contract, and run it through Krkn Operator.
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Build a Custom Scenario
Build, package, publish, and run a small custom Krkn plugin with Podman, Kind, and Krkn Operator.
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Package and Test the Image
Build a custom Krkn base and a standalone scenario image, then verify its metadata and runtime behavior.
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Publish and Run with Krkn Operator
Host an authenticated registry inside Kind, configure containerd, and run the custom scenario through Krkn Operator.
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Scenario Plugin API
Naming, discovery, method signatures, and configuration binding for Krkn scenario plugins.
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Scenario Image Contract
Define discoverable scenario images with OCI labels and krknctl input descriptors.
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Troubleshooting the Demo
Diagnose discovery, registry transport, image startup, kubeconfig, and plugin failures at the layer that owns them.
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Using and Extending Krkn-lib
Reuse the cluster clients provided to scenario plugins and contribute shared Kubernetes and OpenShift helpers.
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Testing Changes
Verify plugin behavior, the image contract, container startup, and operator execution as separate stages.
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Adding Tests to Krkn
Add focused unit tests and functional coverage to the Krkn test suites.
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Publishing Through Krkn-hub
Add a scenario to the community image collection after validating its standalone image contract.
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Health Check Plugins
How to use and create health check plugins in Krkn to monitor services during chaos experiments