k8s-1abel - Kubernetes YAML/JSON survival kit

The tool that helps you survive painful YAML days.

Kubernetes uses label selectors to create references between different resources such as services referring to pods or deployments. All references are loosely coupled using label names. Typos can lead to stale references between resources and can be very hard to find.

k8s-1abel ("k8s-label") validates all LabelSelector in Kubernetes resources such as Services, and automatically points out label references that cannot be associated with a target pod or target deployment.

Example - Validate all service references

Installation & Usage

$ kubectl apply -f https://raw.githubusercontent.com/cilium/k8s-1abel/master/k8s-1abel.yaml
$ kubectl exec -it -n k8s-1abel k8s-1abel bash
$ k8s-1abel services
✘ default/amazing:{"isGlobal":false,"matchLabels":{"1abel":"amazing"}} does not select anything
  "1abel":"amazing" not found. Did you mean "label":"amazing"? "1label":"amazing"
ℹ Run with -v to see the list of services/pods

Supported Kubernetes Resources

Source Resource	Target Resources
Service	Pod (and all higher level constructs such as Deployments
CiliumNetworkPolicy	Pod (and all higher level constructs such as Deployments

Requirements

• kubectl must be installed in $PATH.

Build & Development Requirements

Install yarn, then

yarn

to install dependencies, then run

yarn test -h

to execute the CLI.

yarn build

to build all binaries.