Restart Kube Deployments in all namespaces

kube-restart-deployments.sh

#!/bin/bash -e

if [ -z "$DEPLOYMENT" ]; then
    read -rp "Deployment Name (set DEPLOYMENT to skip this): " DEPLOYMENT
    if [ -z "$DEPLOYMENT" ]; then
        echo "Missing DEPLOYMENT"
        exit 1
    fi
fi

Deploys=$(kubectl get deploy -A \
    --field-selector "metadata.name==$DEPLOYMENT" \
    -o custom-columns=NS:.metadata.namespace --no-headers)

echo "Deploys:"
echo "$Deploys"

for deploy in $Deploys; do
    echo "Restarting $deploy..."
    kubectl rollout restart deployment/$DEPLOYMENT -n $deploy
done