Easy ZSH/Bash alias for swapping kubectl contexts on the fly

switch-kubectl-context.sh

# List available kubectl contexts
# Based on the below command context storage mechanism
function kswl() {
    echo "Listing available kubectl contexts:"
    ls -lah ~/.kube/*-config.yaml
}

# Switch kubectl context
# Context files should be stored in the format: ~/.kube/{context_name}-config.yaml
function ksw() {
    if [ -z "$1" ]; then
        echo "You need to provide the prefix for a config to switch to!"
        echo "Expected usecase: {param}-config.yaml"
        echo "Available contexts:"
        
        kswl
        
        return 1
    fi

    export KUBECONFIG=~/.kube/${1}-config.yaml

    echo "Loaded context: $(kubectl config view --output jsonpath='{.clusters[0].name}')!"
}

# Fix kube config permissions
# Based on the above command context storage mechanism
function kcfp() {
    kswl

    echo "Fixing kubectl config permissions, should only be readable by the user"
    chmod 600 ~/.kube/*-config.yaml

    kswl
}