k8s快速删除所有退出的pod

cat a.sh
#!/bin/bash
#输入退出类型，不输入默认删除ImagePullBackOff
i=${1-ImagePullBackOff}
kubectl get pods --all-namespaces|grep $i|awk ‘{print $1,$2}‘|while read -r line
 do 
  namespaces=`echo $line|awk ‘{print $1}‘`
  podname=`echo $line|awk ‘{print $2}‘`
  echo $namespaces--$podname
  kubectl delete pod $podname -n $namespaces
  done

#!/bin/bash
#输入podname不输入默认查询ImagePullBackOff的日志
i=${1-ImagePullBackOff}
kubectl get pods --all-namespaces|grep $i|awk ‘{print $1,$2}‘|while read -r line
 do 
  namespaces=`echo $line|awk ‘{print $1}‘`
  podname=`echo $line|awk ‘{print $2}‘`
  echo $namespaces--$podname
  kubectl logs --tail=100 $podname -n $namespaces
  done