Run an ephemeral Pod with tons of networking tools in a specified kubernetes namespace (fish shell script)

kubenet-fish

function kubenet --description "Run an ephemeral Pod with tons of networking tools in a specified kubernetes namespace"
    set -l namespace $argv[1]
    
    if test -z "$namespace"
        set namespace "default"
    else
        # Check if the namespace exists
        if not kubectl get namespace $namespace &>/dev/null
            echo "Namespace '$namespace' does not exist. Using 'default' namespace."
            set namespace "default"
        end
    end
    
    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
end