PowerfulSeal
PowerfulSeal is a free, self-hosted tool that injects failures into Kubernetes clusters so teams can find problems early.
What PowerfulSeal is
PowerfulSeal is a free, self-hosted tool that injects failures into Kubernetes clusters so teams can find problems early. Users describe complete chaos experiments in YAML policy files and can choose autonomous, interactive, or label mode. It works with Kubernetes, OpenStack, AWS, Azure, GCP, and local machines. Autonomous mode can send metrics to stdout, Prometheus, or Datadog, and its web interface can show logs and the active policy. Policies can define a single run for a CI pipeline or continuous execution. Label mode lets users constrain which pods may be killed and set allowed days, times, and probability. The tool can run inside Kubernetes and load scenarios from Kubernetes Custom Resources. Local installation uses pip and requires Python 3.7 or later; Docker images are published for releases. Cloud use requires the relevant credentials, and the tool needs SSH, cloud, and Kubernetes API access. PowerfulSeal is Apache-2.0 licensed and does not require external databases or Spinnaker.
Good
- Supports Kubernetes and several cloud environments
- Policies can limit pod targeting by labels and schedule
- Offers stdout, Prometheus, and Datadog metrics
- Can run from pip, Docker, or inside Kubernetes
Watch out
- Local pip installation requires Python 3.7 or newer
- Cloud use requires credentials and API access
- Requires SSH, cloud, and Kubernetes API access
Who it suits
PowerfulSeal suits teams that want to run controlled chaos experiments against Kubernetes and supported cloud environments. It can also fit CI workflows that need a one-time experiment run.
Verdict
PowerfulSeal provides configurable failure injection with several operating modes and targeting controls. Users should plan for the required credentials and infrastructure access.
Plans and prices
From PowerfulSeal's own pricing page, checked 1 Oct 2001.
| Plan | Price | What it gives you |
|---|---|---|
| Apache-2.0 open-source | Free | Self-hosted Kubernetes chaos testing · pip or Docker installation |
The facts
Each one read from PowerfulSeal's own pages, with the date it was checked.
Where it runs
- Chaos experiments
- It lets users write scenarios describing complete chaos experiments.checked 1 Oct 2001
What it does
- Cloud credentials
- Cloud provider setup supports Azure, AWS, OpenStack and GCP credential configurations.checked 1 Oct 2001
- Dependencies
- The tool does not require external databases or Spinnaker, apart from SSH, cloud and Kubernetes API access.checked 1 Oct 2001
- Docker distribution
- A Docker image is built and published to Docker Hub for each release.checked 1 Oct 2001
- Experiment scheduling
- Policies can configure one run for CI pipelines or continuous execution by default.checked 1 Oct 2001
- Granular targeting
- Label mode can control which pods may be killed, on which days and times, and with what probability.checked 1 Oct 2001
- Installation
- Local installation is available through pip and requires Python 3.7 or newer.checked 1 Oct 2001
- Kubernetes deployment
- PowerfulSeal can run inside a Kubernetes cluster and load scenarios from Kubernetes Custom Resources.checked 1 Oct 2001
- License
- PowerfulSeal is distributed under the Apache-2.0 license.checked 1 Oct 2001
- Metrics
- Autonomous mode supports stdout, Prometheus and Datadog metric collectors.checked 1 Oct 2001
- Operating modes
- PowerfulSeal provides autonomous, interactive and label modes.checked 1 Oct 2001
- Policy format
- Chaos experiment policies are written as YAML files.checked 1 Oct 2001
- Purpose
- PowerfulSeal injects failure into Kubernetes clusters to detect problems early.checked 1 Oct 2001
- Safety behavior
- PowerfulSeal excludes its own pod name and host IP from kill operations when the corresponding environment variables are provided.checked 1 Oct 2001
- Supported environments
- The tool works with Kubernetes, OpenStack, AWS, Azure, GCP and local machines.checked 1 Oct 2001
- Web interface
- The autonomous mode web interface can show logs and the policy.checked 1 Oct 2001
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