Add network tools (#467)

setup/debian-install.sh

@@ -37,6 +37,10 @@ function msg_ok() {
     local msg="$1"
     echo -e "${BFR} ${CM} ${GN}${msg}${CL}"
 }
+function msg_error() {
+    local msg="$1"
+    echo -e "${BFR} ${CROSS} ${RD}${msg}${CL}"
+}
 
 msg_info "Setting up Container OS "
 sed -i "/$LANG/ s/\(^# \)//" /etc/locale.gen
@@ -54,6 +58,10 @@ done
 msg_ok "Set up Container OS"
 msg_ok "Network Connected: ${BL}$(hostname -I)"
 
+if nc -zw1 8.8.8.8 443; then  msg_ok "Internet Connected";  else  msg_error "Internet NOT Connected";  fi;
+RESOLVEDIP=$(nslookup "google.com" | awk -F':' '/^Address: / { matched = 1 } matched { print $2}' | xargs)
+if [[ -z "$RESOLVEDIP" ]]; then msg_error "DNS Lookup Failure";  else msg_ok "DNS Resolved to $RESOLVEDIP";  fi;
+
 msg_info "Updating Container OS"
 apt-get update &>/dev/null
 apt-get -y upgrade &>/dev/null

setup/ubuntu-install.sh

@@ -38,6 +38,11 @@ function msg_ok() {
     echo -e "${BFR} ${CM} ${GN}${msg}${CL}"
 }
 
+function msg_error() {
+    local msg="$1"
+    echo -e "${BFR} ${CROSS} ${RD}${msg}${CL}"
+}
+
 msg_info "Setting up Container OS "
 sed -i "/$LANG/ s/\(^# \)//" /etc/locale.gen
 locale-gen >/dev/null
@@ -54,6 +59,10 @@ done
 msg_ok "Set up Container OS"
 msg_ok "Network Connected: ${BL}$(hostname -I)"
 
+if nc -zw1 8.8.8.8 443; then  msg_ok "Internet Connected";  else  msg_error "Internet NOT Connected";  fi;
+RESOLVEDIP=$(nslookup "google.com" | awk -F':' '/^Address: / { matched = 1 } matched { print $2}' | xargs)
+if [[ -z "$RESOLVEDIP" ]]; then msg_error "DNS Lookup Failure";  else msg_ok "DNS Resolved to $RESOLVEDIP";  fi;
+
 msg_info "Updating Container OS"
 apt-get update &>/dev/null
 apt-get -y upgrade &>/dev/null