如何快速给pod添加健康检查？

脚本如下

#!/usr/bin/env bash
[[ -n $DEBUG ]] && set -x
set -eou pipefail

useage(){
  cat <<HELP
USAGE:
    kubeprobe.sh TYPE WORKLOAD CONTAINER [READINESSPROBE LIVENESSPROBE ]
    eg: 
      kubeprobe deploy ui nginx
      kubeprobe deploy ui nginx "" "3 2 1 1 3 http / 80"
      kubeprobe deploy ui nginx "10 2 1 1 3 http / 80" "3 2 1 1 3 http / 80"
      kubeprobe deploy ui nginx "10 2 1 1 3 tcp 80"
      kubeprobe deploy ui nginx "10 2 1 1 3 exec ls /"
HELP
}

exit_err() {
   echo >&2 "${1}"
   exit 1
}

if [ $# -lt 3 ];then
    useage
    exit 1
fi

TYPE=$1
WORKLOAD=$2
CONTAINER=$3
READINESSPROBE_CONFIG=${4:-""}
LIVENESSPROBE_CONFIG=${5:-""}

joinCommand(){
  local str=''
  local i=1
  for v in "$@";do
    str=$str 
    if [ $i -ne 1 ];then
      str=$str','
    fi
    str=$str'"'$v'"'
    i=$((i+1))
  done
  echo "$str"
}

getProbeSpec(){
local PROBE_CONFIG=$1
local PROBE
local PROBE_ARGS
local PROBE_METHOD
local COMMAND
if [ -n "${PROBE_CONFIG}" ];then
  PROBE=(${PROBE_CONFIG})
  PROBE_ARGS='"initialDelaySeconds": '${PROBE[0]}',"periodSeconds": '${PROBE[1]}',"successThreshold": '${PROBE[2]}',"timeoutSeconds": '${PROBE[3]}',"failureThreshold": '${PROBE[4]}
  case ${PROBE[5]} in
    "http")
      PROBE_METHOD='"httpGet": {"path": "'${PROBE[6]}'","port": '${PROBE[7]}',"scheme": "HTTP"}'
      ;;
    "tcp")
      PROBE_METHOD='"tcpSocket": {"port": '${PROBE[6]}'}'
      ;;
    "exec")
      COMMAND=$(joinCommand "${PROBE[@]:6}")
      PROBE_METHOD='"exec":{"command": ['${COMMAND}']}'
      ;;
    *)
      echo "unknow method ${PROBE[5]}"
      exit 1
  esac
  echo '{'${PROBE_ARGS},${PROBE_METHOD}'}'
else
  echo "null"
fi
}

SPEC='{"spec": {"template": {"spec": {"containers": [{"name": "'${CONTAINER}'","livenessProbe":'$(getProbeSpec "${LIVENESSPROBE_CONFIG}")',"readinessProbe":'$(getProbeSpec "${READINESSPROBE_CONFIG}")'}]}}}}'
echo "${SPEC}"
kubectl patch "${TYPE}" "${WORKLOAD}" --patch "${SPEC}"