Tambah data network

templates/etc/update-motd.d/30-sysinfo.j2

@@ -1,5 +1,9 @@
 #!/bin/bash
 
+W="\e[0;39m"
+G="\e[1;32m"
+R="\e[1;31m"
+
 # get load averages
 IFS=" " read LOAD1 LOAD5 LOAD15 <<<$(cat /proc/loadavg | awk '{ print $1,$2,$3 }')
 # get free memory
@@ -13,8 +17,27 @@ PROCESS_USER=`echo "$PROCESS"| grep -v root | awk {'print $2'} | awk '{ SUM += $
 PROCESSOR_NAME=`grep "model name" /proc/cpuinfo | cut -d ' ' -f3- | awk {'print $0'} | head -1`
 PROCESSOR_COUNT=`grep -ioP 'processor\t:' /proc/cpuinfo | wc -l`
 
-W="\e[0;39m"
-G="\e[1;32m"
+## Adapted from https://github.com/mrlesmithjr/ansible-motd/blob/master/templates/etc/update-motd.d/30-sysinfo.j2
+# Capture DNS Servers
+DNS_SERVER="$(cat /etc/resolv.conf | grep nameserver | awk '{print $2}' | tr '\r\n' ' ')"
+
+# Capture Interfaces
+NET_INTERFACES="$(ip link show | awk -F: '$1>0 {print $2}' | grep -v lo)"
+
+# Using captured interfaces loop through them and capture:
+# link state and ip address
+# Only if IP address is defined
+first=""
+NET_IPS="$(for int in ${NET_INTERFACES[@]};
+  do
+    state="$(ip link show $int | awk '{print $9}')"
+    ip_addr="$(ip -4 add show $int | grep inet | awk '{print $2}'| awk -F/ '{print $1}')"
+    if [ ! -z $ip_addr ]; then
+      echo -e "$W$first$int [$R$state$W]: $G$ip_addr"
+      first="                "
+    fi
+  done
+)"
 
 echo -e "
 ${W}system info:
@@ -26,4 +49,7 @@ $W  Load........: $G$LOAD1$W (1m), $G$LOAD5$W (5m), $G$LOAD15$W (15m)
 $W  Processes...: $W$G$PROCESS_ROOT$W (root), $G$PROCESS_USER$W (user), $G$PROCESS_ALL$W (total)
 
 $W  CPU.........: $W$PROCESSOR_NAME ($G$PROCESSOR_COUNT$W vCPU)
-$W  Memory......: $G$USED$W used, $G$FREE$W free, $G$TOTAL$W total$W"
+$W  Memory......: $G$USED$W used, $G$FREE$W free, $G$TOTAL$W total
+
+$W  IP Addresses: $NET_IPS
+$W  DNS_SERVER..: $G$DNS_SERVER$W"