/
kcd.sh
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/
kcd.sh
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#!/bin/bash
# Description: Change kubernetes namespace using bash select(List all, choose one).
kcd() {
NAMESPACE=${1}
CURRENT_NAMESPACE=$(kubectl config get-contexts | tail -n 1 | awk '{print $5}')
NAMESPACE_COUNT=$(kubectl get namespaces | wc -l)
let NAMESPACE_COUNT--
if [[ -z $NAMESPACE ]]; then
PS3="Please select namespace: "
select NAMESPACE in $(kubectl get namespaces -o jsonpath='{.items[*].metadata.name}'); do
if [[ -n $NAMESPACE ]]; then
break
else
echo "Invalid input: please choose number from 1 to $NAMESPACE_COUNT!"
fi
done
fi
if [[ $NAMESPACE != $CURRENT_NAMESPACE ]]; then
echo "Change Kubernetes namespaces from $CURRENT_NAMESPACE to $NAMESPACE"
kubectl config set-context --current --namespace $NAMESPACE
fi
}