Shell functions to quickly show and switch kubernetes contexts.

.bash_sourced_k8s.sh

function k-enabled() {
    if [ ! -z "$PS1_LAST" ]; then
        return 0
    fi
    return 1
}

# show current context
function k-on() {
    if k-enabled; then
        k-off
    fi
    export PS1_LAST=$PS1
    export PS1="[$(kubectl config current-context)] $PS1"
}

# hide current context
function k-off() {

    if k-enabled; then
        export PS1=$PS1_LAST
        unset PS1_LAST
    fi
}

# switch context
function k-switch() {
    kubectl config use-context $1
    k-on
}