zlmainfo

#!/bin/bash
#
# zlmainfo - lpar userID IPaddr numCPUs memGB arch arch_com os distro kern_ver kern_rel rootfsFull last_ping created hostName 
#
hostName=`hostname -s`
if [ -f /proc/sysinfo ]; then              # zLinux - TO DO: handle 2nd level VMs
  cmd='egrep "VM00 Name:|LPAR Name:" /proc/sysinfo | xargs'
  bothVals=`eval $cmd`
  lpar=`echo $bothVals | awk '{print $3}'`
  userID=`echo $bothVals | awk '{print $6}'`
else
  lpar="unknown"
  userID="unknown"
fi  
IPaddr=`ip route get 8.8.8.8 | sed -n '/src/{s/.*src *\([^ ]*\).*/\1/p;q}'`
if [ ${#IPaddr} = 0 ]; then                # empty var
  IPaddr=`curl -4 ifconfig.co`             # try a different way
  if [ ${#IPaddr} = 0 ]; then
    IPaddr="unknown"
  fi
fi
numCPUs=`grep ^processor /proc/cpuinfo | wc -l`
memKB=`cat /proc/meminfo | head -1 | awk '{print $2}'`
let memGB="( $memKB + 524288 ) / (1024 * 1024 )" # round to nearest GB
arch=`arch`                                # hardware platform
case $arch in
  "i686"|"x86_64")
    arch_com="intel"                       # more common word
    ;;
  "aarch64"|"arm64")
    arch_com="arm"
    ;;
  "amd64")
    arch_com="amd"
    ;;
  "s390x")
    arch_com="zlinux"
    ;;
  *)
    arch_com="unknown"    
    ;;
esac
last_ping=`date +"%y-%m-%d %H:%M:%S"`       # consider an ssh a ping
created=`stat / | grep "Birth" | sed 's/Birth: //g' | cut -b 2-11`
if [ ${#created} = 0 ]; then                # date not found
  created="unknown"
fi
os=`uname -s`                               # kernel name
distro=`cat /etc/os-release | egrep '^NAME=|^VERSION_ID=' | xargs | sed -e 's/NAME=//g' -e 's/VERSION_ID=//g'`
if [ ${#distro} = 0 ]; then                 # empty var
  distro="unknown"
fi 
kern_ver=`uname -v | sed -e 's/PREEMPT_DYNAMIC //g' -e 's/PREEMPT //g'` 
kern_rel=`uname -r`                          
rootfsFull=`df -h / | tail -1 | awk '{print $5}' | sed 's/%//g'`
echo -n "$lpar,$userID,$IPaddr,$numCPUs,$memGB,$arch,$arch_com,$os,$distro,$kern_ver,$kern_rel,$rootfsFull,$last_ping,$created,$hostName"