Sonobuoy

6.7easy start · #17 of 27
in Infrastructure Testing Tools

Free to practise onnot on record
Free trialnot on record
Well documentedyes
Runs where you workyes

Runs on Linux, Mac, self-hosted, Windows.

Sonobuoy is ranked #17 of 27 in infrastructure testing tools on The Geeks Club. It runs on Linux, macOS, Self-hosted, Windows.

Compared on infrastructure testing tools

Free plan: Yes
Config compliance: Yes
Deployed checks: Yes
Execution model: local
Cloud support: AWS, Google Cloud Platform

Best Sonobuoy alternatives

See all 12

Chef InSpec 0 of 4 in the starter kit Lesson 17.7 Conftest 0 of 4 in the starter kit Lesson 27.3 Test Kitchen 0 of 4 in the starter kit Lesson 37.2 kubeconform 0 of 4 in the starter kit Lesson 47.1 Terratest 0 of 4 in the starter kit Lesson 57.1 AWS CloudFormation 0 of 4 in the starter kit Lesson 66.9

The record

Purpose: Sonobuoy is a diagnostic tool for understanding Kubernetes cluster state through accessible, non-destructive configuration tests.
Conformance testing: It tests whether a cluster conforms to official Kubernetes specifications.
Workload debugging: It generates diagnostics for troublesome workloads.
Custom testing: Users can create plugins for custom configuration tests and data collection.
Cluster support: Sonobuoy is cluster agnostic and officially supports the latest three minor Kubernetes versions.
Air-gapped operation: It supports end-to-end testing with custom registries in air-gapped deployments.
Built-in plugins: The default plugins are Kubernetes end-to-end tests and systemd log gathering.
Community plugins: Listed plugins include CIS Benchmarks, Kube-hunter, Who-can, Cluster-Inventory, and Reliability Scanner.
Kubernetes versions: Starting with version 0.20, Sonobuoy supports Kubernetes 1.17 or later.
Prerequisites: Running Sonobuoy requires an active Kubernetes cluster and an admin kubeconfig.
Installation: Installation is available through binary releases or Homebrew on macOS.
Integrations: The documentation references AWS Quickstart, KinD, kubectl, Docker, and Docker Hub workflows.
Security support: Only the most recent Sonobuoy version is supported for conformance tests on the latest Kubernetes version and two prior versions.
Vulnerability reporting: Security vulnerabilities should be reported privately to the VMware Security Team, which aims to respond within three business days.

Where it ranks on The Geeks Club

Best Infrastructure Testing Tools in 2026#17 of 27

Is Sonobuoy yours?

Claim it for free: prove the domain, then correct facts, plans and screenshots. An editor reviews every change.

Claim it free Promote Sonobuoy

Sources

sonobuoy.io· checked 30 Sept 2026
sonobuoy.io/docs/main/plugins/· checked 30 Sept 2026
sonobuoy.io/plugins/· checked 30 Sept 2026
sonobuoy.io/docs/main/· checked 30 Sept 2026
github.com/vmware-tanzu/sonobuoy/blob/main/SECURIT· checked 30 Sept 2026
sonobuoy.io/docs/v0.57.4/· checked 1 Oct 2026
sonobuoy.io/community/· checked 1 Oct 2026