Intranet machines do not need to check for the latest version of the code

[lianghco]

If the Intranet machine server is not networked, the test cannot be performed。Intranet machines do not need to check for the latest version of the code

Modify the code at the end of the tpch.sh

for j in $(curl google.com 2>&1 | grep "Couldn't resolve host"); do
	internet_down="1"
done

if [ "$internet_down" -eq "0" ]; then
	yum_installs
	repo_init
	script_check
else
   echo "############################################################################"
   echo	"Couldn't resolve host,The local code is not checked for the latest version."
   echo "############################################################################"
   echo ""
fi