function kex
    set -l context (kubectl config current-context)
    set -l namespace apps
    set -l pod ""
    set -l command ""
    set -l debug false

    getopts $argv | while read -l key value
        switch $key
            case c
                set context $value
            case n
                set namespace $value
            case d
                set debug $value
            case _
                if test -z "$pod"
                    set pod $value

                    continue
                end

                if test -n "$command"
                    set command "$command "
                end

                set command "$command$value"
        end
    end

    if $debug == true
        echo "Context     : $context"
        echo "Namespace   : $namespace"
        echo "Pod basename: $pod"
        echo "Command     : '$command'"
    end

    set podname (kubectl --context="$context" --namespace="$namespace" get pod -l app="$pod",instance=app -o name | shuf | head -1 | sed 's/^pod\///')

    if test -z "$podname"
        echo "Pod $pod not found in cluster $context’s $namespace namespace" >/dev/stderr

        return 1
    end

    echo "Pod found   : $podname"

    if test -z "$command"
        kubectl --context="$context" --namespace="$namespace" exec -ti "$podname" -- bash
    else
        kubectl --context="$context" --namespace="$namespace" exec -ti "$podname" -- bash -c "$command"
    end
end