Run an ephemera pod in a specified Kubernetes namespace. It comes with tons of ready to use networking tools.

Kubenet.sh

#!/bin/bash

function kubenet {
    # Description: Run an ephemeral Swiss Army Knife pod in a specified namespace.
    # You already have tons of networking test tools ready to be used inside a kubernetes infrastructure.
    # Based on Sören Metje's article
    # https://dev.to/soerenmetje/debug-kubernetes-applications-a-swiss-army-knife-container-56id
    # Usage:
    # kubenet {YOUR_NAMESPACE}
    
    namespace="$1"

    if [ -z "$namespace" ]; then
        namespace="default"
    else
        # Check if the namespace exists
        if ! kubectl get namespace "$namespace" &>/dev/null; then
            echo "Namespace '$namespace' does not exist. Using 'default' namespace."
            namespace="default"
        fi
    fi

    echo "Running Swiss Army Knife pod in namespace: $namespace"

    kubectl run swiss-army-knife --namespace="$namespace" \
                                 --image=leodotcloud/swiss-army-knife:latest \
                                 --labels="app=test,environment=debug" \
                                 --rm -it --restart=Never --command -- /bin/bash
}

# Call the function with the provided argument
kubenet "$1"