A shell script which enables easy execing into kube pods

kshell

#!/bin/sh
if [ "$1" = "" ]; then
  echo "Usage: ./ksh <pod>"
  exit 1
fi

echo Getting pods...
PODS=$(kubectl get pods --no-headers --output=name | grep $1)
PODS=(${PODS})
NUM_PODS=${#PODS[@]}

if [ $NUM_PODS -gt 1 ]; then
	echo Choose a pod:
  select pod in "${PODS[@]}"
  do
     POD=${pod/pods\//}
     break
	done
else
  POD=${PODS[0]/pods\//}
fi

echo Connecting to $POD...

COLUMNS=`tput cols`
LINES=`tput lines`
TERM=xterm
kubectl exec -it $POD env COLUMNS=$COLUMNS LINES=$LINES TERM=$TERM bash