KubePlumber is a Kubernetes networking utility that validates/test network connectivity in a Kubernetes cluster, including:

• Internal DNS Resolution (Inter + Intra node)
• Internal traffic testing (Inter and Intra node)
• External DNS resolution

Future additions:

• MTU Validation between nodes
• Host NIC configuration

Example Usage

kubeplumber -kubeconfig ~/.kube/config -config config.yaml

An example config.yaml

Options

  -config string
        Path to the config file (default "config.yaml")
  -kubeconfig string
        (required) absolute path to the kubeconfig file
  -loglevel string
        Log level (debug, info, warn, error, fatal, panic) (default "debug")
  -namespace string
        Namespace to run tests in (default "default")