[fix][deploy] File overwrite when specific value set to installPath (#10241)

When our `installPath` in file `install_env.sh` set to `/`
or empty or related path to `/` some system specific directory
, like `/bin` and `libs`, will be overwritten, and it is not expected

(cherry picked from commit 117082154d)

script/install.sh

@@ -24,9 +24,15 @@ source ${workDir}/env/dolphinscheduler_env.sh
 
 echo "1.create directory"
 
+# If install Path equal to "/" or related path is "/" or is empty, will cause directory "/bin" be overwrite or file adding,
+# so we should check its value. Here use command `realpath` to get the related path, and it will skip if your shell env
+# without command `realpath`.
 if [ ! -d $installPath ];then
   sudo mkdir -p $installPath
   sudo chown -R $deployUser:$deployUser $installPath
+elif [[ -z "${installPath// }" || "${installPath// }" == "/" || ( $(command -v realpath) && $(realpath -s "${installPath}") == "/" ) ]]; then
+  echo "Parameter installPath can not be empty, use in root path or related path of root path, currently use ${installPath}"
+  exit 1
 fi
 
 echo "2.scp resources"

script/scp-hosts.sh

@@ -40,8 +40,6 @@ do
   fi
 
   echo "scp dirs to $host/$installPath starting"
-	ssh -p $sshPort $host  "cd $installPath/; rm -rf bin/ master-server/ worker-server/ alert-server/ api-server/ ui/ tools/"
-
   for i in ${!workerNames[@]}; do
     if [[ ${workerNames[$i]} == $host ]]; then
       workerIndex=$i