make net=host container inside network have access to rancher internal dns
cp /etc/resolv.conf ~/resolv.tmp
sed -i.bak '1 i\nameserver 169.254.169.250' ~/resolv.tmp
cp -f ~/resolv.tmp /etc/resolv.conf
make net=host container inside network have access to rancher internal dns
cp /etc/resolv.conf ~/resolv.tmp
sed -i.bak '1 i\nameserver 169.254.169.250' ~/resolv.tmp
cp -f ~/resolv.tmp /etc/resolv.conf